/* StartHDS v1 markdown convenience bundle.
   This file is dependency-free and intentionally duplicates the needed core, app, knowledge, and marketing CSS.
   It does not use public CSS import rules so consumers can include one file for browser-side markdown pages. */
/* StartHDS v1 core - dependency-free public design-system base.
   Contract: stable --hds-* tokens, base elements, layout primitives,
   navigation base, generic cards/buttons/forms/feedback, docs helpers,
   utilities, mobile navigation safeguards, and ds-* aliases. */
:root {
  color-scheme: light;
  --hds-color-background: #f8fafc;
  --hds-color-background-muted: #eef4fb;
  --hds-color-surface: #ffffff;
  --hds-color-surface-muted: #f1f5f9;
  --hds-color-surface-elevated: #ffffff;
  --hds-color-text: #162033;
  --hds-color-heading: #0f172a;
  --hds-color-text-muted: #64748b;
  --hds-color-border: #d7dde8;
  --hds-color-border-strong: #aeb9ca;
  --hds-color-primary: #2457d6;
  --hds-color-primary-hover: #1d45ad;
  --hds-color-primary-soft: #e8efff;
  --hds-color-primary-contrast: #ffffff;
  --hds-color-accent: #0ea5e9;
  --hds-color-accent-soft: #e0f2fe;
  --hds-color-danger: #dc2626;
  --hds-color-danger-soft: #fee2e2;
  --hds-color-warning: #b45309;
  --hds-color-warning-soft: #fef3c7;
  --hds-color-success: #15803d;
  --hds-color-success-soft: #dcfce7;
  --hds-color-info: #0369a1;
  --hds-color-info-soft: #e0f2fe;

  --hds-status-info-text: var(--hds-color-info);
  --hds-status-info-surface: var(--hds-color-info-soft);
  --hds-status-info-border: #7dd3fc;
  --hds-status-success-text: var(--hds-color-success);
  --hds-status-success-surface: var(--hds-color-success-soft);
  --hds-status-success-border: #86efac;
  --hds-status-warning-text: var(--hds-color-warning);
  --hds-status-warning-surface: var(--hds-color-warning-soft);
  --hds-status-warning-border: #fcd34d;
  --hds-status-danger-text: var(--hds-color-danger);
  --hds-status-danger-surface: var(--hds-color-danger-soft);
  --hds-status-danger-border: #fca5a5;
  --hds-color-trust: #0f766e;
  --hds-color-trust-soft: #ccfbf1;
  --hds-color-trust-border: #5eead4;
  --hds-color-verified: #2563eb;
  --hds-color-verified-soft: #dbeafe;
  --hds-color-verified-border: #93c5fd;
  --hds-severity-low-text: var(--hds-status-info-text);
  --hds-severity-low-surface: var(--hds-status-info-surface);
  --hds-severity-low-border: var(--hds-status-info-border);
  --hds-severity-medium-text: var(--hds-status-warning-text);
  --hds-severity-medium-surface: var(--hds-status-warning-surface);
  --hds-severity-medium-border: var(--hds-status-warning-border);
  --hds-severity-high-text: var(--hds-status-danger-text);
  --hds-severity-high-surface: var(--hds-status-danger-surface);
  --hds-severity-high-border: var(--hds-status-danger-border);
  --hds-color-task: var(--hds-color-primary);
  --hds-color-task-soft: var(--hds-color-primary-soft);
  --hds-color-notification: var(--hds-color-info);
  --hds-color-notification-soft: var(--hds-color-info-soft);
  --hds-color-media: var(--hds-color-accent);
  --hds-color-media-soft: var(--hds-color-accent-soft);
  --hds-color-task-urgent: var(--hds-color-danger);
  --hds-color-admin: #334155;
  --hds-color-admin-soft: #e2e8f0;
  --hds-color-moderation: var(--hds-color-warning);
  --hds-color-moderation-soft: var(--hds-color-warning-soft);
  --hds-color-attachment: var(--hds-color-media);
  --hds-color-attachment-soft: var(--hds-color-media-soft);
  --hds-lightbox-background: rgb(2 6 23 / .88);
  --hds-lightbox-text: #ffffff;
  --hds-lightbox-max-width: 72rem;

  --hds-font-family-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --hds-font-family-heading: var(--hds-font-family-base);
  --hds-font-family-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --hds-font-size-xs: .75rem;
  --hds-font-size-sm: .875rem;
  --hds-font-size-base: 1rem;
  --hds-font-size-lg: 1.125rem;
  --hds-font-size-xl: 1.35rem;
  --hds-font-size-2xl: clamp(1.7rem, 3vw, 2.25rem);
  --hds-font-size-hero: clamp(2.25rem, 6vw, 4.5rem);
  --hds-line-height-tight: 1.1;
  --hds-line-height-base: 1.6;
  --hds-letter-spacing-tight: -0.035em;
  --hds-letter-spacing-wide: .08em;

  --hds-space-0: 0;
  --hds-space-1: .25rem;
  --hds-space-2: .5rem;
  --hds-space-3: .75rem;
  --hds-space-4: 1rem;
  --hds-space-5: 1.25rem;
  --hds-space-6: 1.5rem;
  --hds-space-8: 2rem;
  --hds-space-10: 2.5rem;
  --hds-space-12: 3rem;
  --hds-space-16: 4rem;
  --hds-section-padding: clamp(2.5rem, 7vw, 6rem);
  --hds-container-max-width: 72rem;
  --hds-container-narrow-width: 48rem;
  --hds-readable-max-width: 42rem;
  --hds-content-max-width: 64rem;
  --hds-content-width: var(--hds-content-max-width);
  --hds-content-wide-width: 84rem;
  --hds-reading-measure: 68ch;
  --hds-reading-width: var(--hds-reading-measure);
  --hds-app-sidebar-width: 18rem;
  --hds-app-aside-width: 20rem;
  --hds-app-header-height: 4rem;
  --hds-appbar-height: var(--hds-app-header-height);
  --hds-app-footer-height: 4.5rem;
  --hds-app-gap: var(--hds-space-5);
  --hds-app-chrome-background: color-mix(in srgb, var(--hds-color-surface, #fff) 92%, transparent);
  --hds-app-chrome-border: var(--hds-color-border);
  --hds-mobile-page-max-width: 30rem;
  --hds-mobile-tabbar-height: 4.75rem;
  --hds-safe-area-top: env(safe-area-inset-top, 0px);
  --hds-safe-area-right: env(safe-area-inset-right, 0px);
  --hds-safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --hds-safe-area-left: env(safe-area-inset-left, 0px);
  --hds-grid-min: 18rem;
  --hds-grid-gap: var(--hds-space-6);

  --hds-radius-small: .375rem;
  --hds-radius-medium: .75rem;
  --hds-radius-large: 1.25rem;
  --hds-radius-card: 1rem;
  --hds-radius-button: 999rem;
  --hds-radius-input: .75rem;
  --hds-radius-pill: 999rem;
  --hds-shadow-small: 0 .25rem .75rem rgb(15 23 42 / .07);
  --hds-shadow-card: 0 1rem 2rem rgb(15 23 42 / .10);
  --hds-shadow-panel: 0 .5rem 1.5rem rgb(15 23 42 / .08);
  --hds-shadow-large: 0 1.5rem 4rem rgb(15 23 42 / .16);
  --hds-shadow-overlay: 0 1.5rem 5rem rgb(15 23 42 / .22);
  --hds-elevation-overlay-background: rgb(15 23 42 / .48);
  --hds-backdrop-color: rgb(15 23 42 / .44);
  --hds-sheet-background: var(--hds-color-surface);
  --hds-sheet-max-width: 36rem;
  --hds-sheet-radius: calc(var(--hds-radius-large, 1.25rem) + .25rem);
  --hds-dialog-max-width: 42rem;
  --hds-dialog-wide-max-width: 72rem;
  --hds-dialog-radius: var(--hds-radius-large);
  --hds-focus-ring-color: #7aa2ff;
  --hds-focus-ring-width: 3px;
  --hds-focus-ring-offset: 3px;
  --hds-transition-duration: 160ms;
  --hds-motion-duration-fast: var(--hds-transition-duration);
  --hds-transition-easing: cubic-bezier(.2, .8, .2, 1);
  --hds-motion-reduced-duration: .01ms;
  --hds-motion-reduce-duration: var(--hds-motion-reduced-duration);
  --hds-autosave-delay: 800ms;
  --hds-autosave-duration: var(--hds-autosave-delay);
  --hds-skeleton-duration: 1200ms;
  --hds-z-base: 0;
  --hds-z-dropdown: 100;
  --hds-z-sticky: 200;
  --hds-z-appbar: 250;
  --hds-z-command: 450;
  --hds-z-menu: 500;
  --hds-z-sheet: 700;
  --hds-z-overlay: 800;
  --hds-z-modal: 1000;
  --hds-z-toast: 1100;
  --hds-density-scale: 1;
  --hds-density-compact: .875;
  --hds-density-comfortable: 1;
  --hds-touch-target-min: 2.75rem;
  --hds-touch-target-comfortable: 3rem;
  --hds-icon-button-size: 2.75rem;
  --hds-button-height: 2.75rem;
  --hds-button-padding-inline: 1rem;
  --hds-input-height: 2.75rem;
  --hds-input-padding-inline: .85rem;
  --hds-form-gap: var(--hds-space-3);
}

* { box-sizing: border-box; }
html { min-height: 100%; color-scheme: light; scroll-behavior: smooth; }
body {
  min-height: 100%;
  margin: 0;
  background: var(--hds-color-background, #f8fafc);
  color: var(--hds-color-text, #162033);
  font-family: var(--hds-font-family-base, system-ui, sans-serif);
  font-size: var(--hds-font-size-base, 1rem);
  line-height: var(--hds-line-height-base, 1.6);
  text-rendering: optimizeLegibility;
}
img, svg, video { max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; }
a { color: var(--hds-color-primary, #2457d6); font-weight: 700; text-decoration-thickness: .08em; text-underline-offset: .18em; }
a:hover { color: var(--hds-color-primary-hover, #1d45ad); }
:focus-visible { outline: var(--hds-focus-ring-width, 3px) solid var(--hds-focus-ring-color, #7aa2ff); outline-offset: var(--hds-focus-ring-offset, 3px); }
[hidden] { display: none !important; }

.hds-container { width: min(100% - 2rem, var(--hds-container-max-width, 72rem)); margin-inline: auto; }
.hds-container--narrow { width: min(100% - 2rem, var(--hds-container-narrow-width, 48rem)); }
.hds-section { padding-block: var(--hds-section-padding, 4rem); }
.hds-section--compact { padding-block: var(--hds-space-4, 1rem); }
.hds-section--surface { background: var(--hds-color-surface-muted, #f1f5f9); }
.hds-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(var(--hds-grid-min, 18rem), 100%), 1fr)); gap: var(--hds-grid-gap, 1.5rem); }
.hds-grid--dense { --hds-grid-min: 14rem; --hds-grid-gap: var(--hds-space-4, 1rem); }
.hds-stack { display: grid; gap: var(--hds-space-6, 1.5rem); }
.hds-stack--sm { gap: var(--hds-space-3, .75rem); }
.hds-cluster { display: flex; flex-wrap: wrap; align-items: center; gap: var(--hds-space-3, .75rem) var(--hds-space-4, 1rem); }
.hds-split { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(min(22rem, 100%), .65fr); gap: var(--hds-space-8, 2rem); align-items: center; }

.hds-site-header { position: sticky; top: 0; z-index: var(--hds-z-sticky, 200); border-bottom: 1px solid var(--hds-color-border, #d7dde8); background: color-mix(in srgb, var(--hds-color-surface, #fff) 88%, transparent); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.hds-site-nav { min-height: 4rem; display: flex; align-items: center; justify-content: space-between; gap: var(--hds-space-4, 1rem); }
.hds-site-nav__brand { display: inline-flex; align-items: center; gap: var(--hds-space-2, .5rem); color: var(--hds-color-heading, #0f172a); font-size: clamp(1.15rem, 2vw, 1.35rem); font-weight: 900; line-height: 1; letter-spacing: var(--hds-letter-spacing-tight, -0.035em); text-decoration: none; }
.hds-site-nav__links { display: flex; flex-wrap: wrap; align-items: center; gap: var(--hds-space-2, .5rem); }
.hds-site-nav__links a { border-radius: var(--hds-radius-pill, 999rem); padding: .45rem .7rem; line-height: 1.1; text-decoration: none; }
.hds-site-nav__links a:hover, .hds-site-nav__links a:focus-visible, .hds-site-nav__links a[aria-current="page"], .hds-site-nav__links a.hds-active { background: var(--hds-color-primary-soft, #e8efff); color: var(--hds-color-primary, #2457d6); }
.hds-nav-toggle { display: none; }
.hds-nav-lock { overflow: hidden; }

/* Core drawer primitive: visible side panel on larger screens, toggleable drawer on mobile. */
.hds-drawer-layout {
  display: grid;
  grid-template-columns: minmax(14rem, var(--hds-drawer-width, 18rem)) minmax(0, 1fr);
  gap: var(--hds-drawer-gap, var(--hds-space-6, 1.5rem));
  align-items: start;
}
.hds-drawer { min-width: 0; }
.hds-drawer-panel {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: var(--hds-space-3, .75rem);
  border: 1px solid var(--hds-color-border, #d7dde8);
  border-radius: var(--hds-radius-card, 1rem);
  background: var(--hds-color-surface, #fff);
  padding: var(--hds-space-4, 1rem);
  box-shadow: var(--hds-shadow-panel, 0 .5rem 1.5rem rgb(15 23 42 / .08));
}
.hds-drawer-panel a { position: relative; border-radius: var(--hds-radius-pill, 999rem); padding: .5rem .8rem .5rem 1rem; color: var(--hds-color-text-muted, #64748b); text-decoration: none; font-weight: 850; }
.hds-drawer-panel a:hover, .hds-drawer-panel a:focus-visible, .hds-drawer-panel a[aria-current="page"], .hds-drawer-panel a.hds-active { background: var(--hds-color-primary-soft, #e8efff); color: var(--hds-color-primary, #2457d6); text-decoration: none; }
.hds-drawer-panel a[aria-current="page"]::before, .hds-drawer-panel a.hds-active::before { content: ""; position: absolute; left: .45rem; top: 50%; width: .28rem; height: 1.35rem; border-radius: var(--hds-radius-pill, 999rem); background: currentColor; transform: translateY(-50%); opacity: .72; }
.hds-drawer-main { min-width: 0; }
.hds-drawer-toggle, .hds-drawer-backdrop { display: none; }
.hds-drawer-lock { overflow: hidden; }


/* Optional drawer mode: collapsed/reveal behavior at every viewport size. */
.hds-drawer-layout--overlay { grid-template-columns: minmax(0, 1fr); }
.hds-drawer--overlay { position: relative; z-index: var(--hds-z-sticky, 200); }
.hds-drawer--overlay .hds-drawer-toggle {
  min-height: var(--hds-button-height, 2.75rem);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  border: 1px solid var(--hds-color-border, #d7dde8);
  border-radius: var(--hds-radius-button, 999rem);
  background: var(--hds-color-surface, #fff);
  color: var(--hds-color-text, #162033);
  padding: .65rem var(--hds-button-padding-inline, 1rem);
  box-shadow: var(--hds-shadow-small, 0 .25rem .75rem rgb(15 23 42 / .07));
  font: inherit;
  font-weight: 850;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
}
.hds-drawer--overlay .hds-drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: calc(var(--hds-z-modal, 1000) - 2);
  display: block;
  border: 0;
  background: var(--hds-backdrop-color, rgb(15 23 42 / .44));
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity var(--hds-transition-duration, 160ms) var(--hds-transition-easing, ease), visibility 0s linear var(--hds-transition-duration, 160ms);
}
.hds-drawer--overlay .hds-drawer-panel {
  position: fixed;
  inset-block: 0;
  left: 0;
  z-index: calc(var(--hds-z-modal, 1000) - 1);
  width: min(var(--hds-drawer-mobile-width, 20rem), calc(100vw - 3rem));
  max-height: 100dvh;
  overflow: auto;
  border-radius: 0 var(--hds-radius-large, 1.25rem) var(--hds-radius-large, 1.25rem) 0;
  padding: max(var(--hds-space-6, 1.5rem), var(--hds-safe-area-top, 0px)) var(--hds-space-4, 1rem) max(var(--hds-space-6, 1.5rem), var(--hds-safe-area-bottom, 0px));
  transform: translateX(-102%);
  visibility: hidden;
  transition: transform var(--hds-transition-duration, 160ms) var(--hds-transition-easing, ease), visibility 0s linear var(--hds-transition-duration, 160ms);
}
.hds-drawer--overlay.is-open .hds-drawer-backdrop {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  transition-delay: 0s;
}
.hds-drawer--overlay.is-open .hds-drawer-panel {
  transform: translateX(0);
  visibility: visible;
  transition-delay: 0s;
}
@media (max-width: 760px) {
  .hds-drawer-layout { grid-template-columns: 1fr; }
  .hds-drawer { position: sticky; top: calc(var(--hds-app-header-height, 4rem) + var(--hds-space-2, .5rem)); z-index: var(--hds-z-sticky, 200); }
  .hds-drawer-toggle {
    min-height: var(--hds-button-height, 2.75rem);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    border: 1px solid var(--hds-color-border, #d7dde8);
    border-radius: var(--hds-radius-button, 999rem);
    background: var(--hds-color-surface, #fff);
    color: var(--hds-color-text, #162033);
    padding: .65rem var(--hds-button-padding-inline, 1rem);
    box-shadow: var(--hds-shadow-small, 0 .25rem .75rem rgb(15 23 42 / .07));
    font: inherit;
    font-weight: 850;
    line-height: 1;
    cursor: pointer;
  }
  .hds-drawer-backdrop {
    position: fixed;
    inset: 0;
    z-index: calc(var(--hds-z-modal, 1000) - 2);
    border: 0;
    background: var(--hds-backdrop-color, rgb(15 23 42 / .44));
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity var(--hds-transition-duration, 160ms) var(--hds-transition-easing, ease), visibility 0s linear var(--hds-transition-duration, 160ms);
  }
  .hds-drawer-panel {
    position: fixed;
    inset-block: 0;
    left: 0;
    z-index: calc(var(--hds-z-modal, 1000) - 1);
    width: min(var(--hds-drawer-mobile-width, 20rem), calc(100vw - 3rem));
    max-height: 100dvh;
    overflow: auto;
    border-radius: 0 var(--hds-radius-large, 1.25rem) var(--hds-radius-large, 1.25rem) 0;
    padding: max(var(--hds-space-6, 1.5rem), var(--hds-safe-area-top, 0px)) var(--hds-space-4, 1rem) max(var(--hds-space-6, 1.5rem), var(--hds-safe-area-bottom, 0px));
    transform: translateX(-102%);
    visibility: hidden;
    transition: transform var(--hds-transition-duration, 160ms) var(--hds-transition-easing, ease), visibility 0s linear var(--hds-transition-duration, 160ms);
  }
  .hds-drawer--right .hds-drawer-panel {
    left: auto;
    right: 0;
    border-radius: var(--hds-radius-large, 1.25rem) 0 0 var(--hds-radius-large, 1.25rem);
    transform: translateX(102%);
  }
  .hds-drawer.is-open .hds-drawer-backdrop {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
    transition-delay: 0s;
  }
  .hds-drawer.is-open .hds-drawer-panel {
    transform: translateX(0);
    visibility: visible;
    transition-delay: 0s;
  }
}

.hds-site-footer { border-top: 1px solid var(--hds-color-border, #d7dde8); background: var(--hds-color-surface, #fff); color: var(--hds-color-text-muted, #64748b); }
.hds-site-footer__inner { display: grid; gap: var(--hds-space-4, 1rem); padding-block: var(--hds-space-6, 1.5rem); }
.hds-site-footer__brand { color: var(--hds-color-heading, #0f172a); font-weight: 900; text-decoration: none; }
.hds-site-footer__links { display: flex; flex-wrap: wrap; gap: var(--hds-space-2, .5rem) var(--hds-space-4, 1rem); }
.hds-site-footer__links a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .18em; }
.hds-site-footer__meta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--hds-space-3, .75rem); font-size: var(--hds-font-size-sm, .875rem); }


.hds-hero, .hds-panel, .hds-card {
  background: var(--hds-color-surface, #fff);
  border: 1px solid var(--hds-color-border, #d7dde8);
  border-radius: var(--hds-radius-card, 1rem);
  box-shadow: var(--hds-shadow-card, 0 1rem 2rem rgb(15 23 42 / .10));
  padding: clamp(1.25rem, 4vw, 3rem);
}
.hds-hero { overflow: hidden; background: linear-gradient(135deg, color-mix(in srgb, var(--hds-color-primary, #2457d6) 12%, white), var(--hds-color-surface, #fff)); }
.hds-hero h1 { max-width: 14ch; font-size: var(--hds-font-size-hero, clamp(2.25rem, 6vw, 4.5rem)); line-height: var(--hds-line-height-tight, 1.1); letter-spacing: var(--hds-letter-spacing-tight, -0.035em); margin-block: 0 var(--hds-space-4, 1rem); }
.hds-hero p { max-width: var(--hds-readable-max-width, 42rem); }
.hds-panel { box-shadow: var(--hds-shadow-panel, 0 .5rem 1.5rem rgb(15 23 42 / .08)); }
.hds-card { display: grid; gap: var(--hds-space-3, .75rem); }
.hds-card:hover { border-color: var(--hds-color-border-strong, #aeb9ca); }
.hds-card h1, .hds-card h2, .hds-panel h2 { line-height: var(--hds-line-height-tight, 1.1); margin-block: 0 var(--hds-space-2, .5rem); font-family: var(--hds-font-family-heading, system-ui, sans-serif); color: var(--hds-color-heading, #0f172a); }
.hds-prose { max-width: var(--hds-readable-max-width, 42rem); }
.hds-prose :where(h1, h2, h3) { line-height: var(--hds-line-height-tight, 1.1); letter-spacing: var(--hds-letter-spacing-tight, -0.035em); color: var(--hds-color-heading, #0f172a); }
.hds-eyebrow, .hds-badge { letter-spacing: var(--hds-letter-spacing-wide, .08em); text-transform: uppercase; font-size: var(--hds-font-size-xs, .75rem); font-weight: 850; color: var(--hds-color-primary, #2457d6); }
.hds-badge { display: inline-flex; width: max-content; align-items: center; gap: .35rem; border: 1px solid var(--hds-color-border, #d7dde8); border-radius: var(--hds-radius-pill, 999rem); padding: .2rem .6rem; background: var(--hds-color-primary-soft, #e8efff); text-decoration: none; }

.hds-button { min-height: var(--hds-button-height, 2.75rem); display: inline-flex; align-items: center; justify-content: center; gap: .5rem; border-radius: var(--hds-radius-button, 999rem); border: 1px solid var(--hds-color-border, #d7dde8); padding: .65rem var(--hds-button-padding-inline, 1rem); background: var(--hds-color-surface, #fff); color: var(--hds-color-text, #162033); font-weight: 800; text-decoration: none; transition: transform var(--hds-transition-duration, 160ms) var(--hds-transition-easing, ease), background var(--hds-transition-duration, 160ms), border-color var(--hds-transition-duration, 160ms), box-shadow var(--hds-transition-duration, 160ms); cursor: pointer; }
.hds-button:hover { transform: translateY(-1px); box-shadow: var(--hds-shadow-small, 0 .25rem .75rem rgb(15 23 42 / .07)); }
.hds-button:disabled, .hds-button[aria-disabled="true"] { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }
.hds-button--primary { background: var(--hds-color-primary, #2457d6); color: var(--hds-color-primary-contrast, #fff); border-color: transparent; }
.hds-button--secondary { background: var(--hds-color-primary-soft, #e8efff); color: var(--hds-color-primary, #2457d6); border-color: color-mix(in srgb, var(--hds-color-primary, #2457d6) 18%, transparent); }
.hds-button--ghost { border-color: transparent; background: transparent; box-shadow: none; }
.hds-button--danger { background: var(--hds-color-danger, #dc2626); color: #fff; border-color: transparent; }
/* Keep nav toggles hidden on desktop even when composed with .hds-button classes. */
.hds-nav-toggle { display: none; }
.hds-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--hds-space-3, .75rem); }

.hds-control-bar { min-width: 0; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--hds-space-3, .75rem); border: 1px solid var(--hds-color-border, #d7dde8); border-radius: var(--hds-radius-card, 1rem); background: var(--hds-color-surface, #fff); padding: var(--hds-space-3, .75rem); box-shadow: var(--hds-shadow-small, 0 .25rem .75rem rgb(15 23 42 / .07)); }
.hds-control-bar__inner { min-width: 0; width: min(100%, var(--hds-container-max-width, 72rem)); margin-inline: auto; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--hds-space-3, .75rem); }
.hds-control-bar__group { min-width: 0; display: flex; flex-wrap: wrap; align-items: center; gap: var(--hds-space-2, .5rem); }
.hds-control-bar__button { min-height: calc(var(--hds-button-height, 2.75rem) - .35rem); display: inline-flex; align-items: center; justify-content: center; gap: var(--hds-space-2, .5rem); border: 1px solid var(--hds-color-border, #d7dde8); border-radius: var(--hds-radius-button, 999rem); background: var(--hds-color-surface, #fff); color: var(--hds-color-text, #162033); padding: .45rem .75rem; font: inherit; font-weight: 800; line-height: 1.1; text-decoration: none; cursor: pointer; }
.hds-control-bar__button:hover, .hds-control-bar__button:focus-visible, .hds-control-bar__button[aria-pressed="true"], .hds-control-bar__button[aria-expanded="true"], .hds-control-bar__button[aria-current="page"], .hds-control-bar__button.hds-active { border-color: color-mix(in srgb, var(--hds-color-primary, #2457d6) 28%, var(--hds-color-border, #d7dde8)); background: var(--hds-color-primary-soft, #e8efff); color: var(--hds-color-primary, #2457d6); text-decoration: none; }
.hds-status-message { min-width: 0; display: inline-flex; align-items: center; gap: var(--hds-space-2, .5rem); border: 1px solid var(--hds-status-info-border, #7dd3fc); border-radius: var(--hds-radius-pill, 999rem); background: var(--hds-status-info-surface, #e0f2fe); color: var(--hds-status-info-text, #0369a1); padding: .35rem .7rem; font-size: var(--hds-font-size-sm, .875rem); font-weight: 800; overflow-wrap: anywhere; }
.hds-status-message::before { content: ""; flex: 0 0 auto; width: .55rem; height: .55rem; border-radius: var(--hds-radius-pill, 999rem); background: currentColor; }
.hds-status-message[data-state="idle"], .hds-status-message[data-state="info"] { border-color: var(--hds-status-info-border, #7dd3fc); background: var(--hds-status-info-surface, #e0f2fe); color: var(--hds-status-info-text, #0369a1); }
.hds-status-message[data-state="success"], .hds-status-message[data-state="saved"] { border-color: var(--hds-status-success-border, #86efac); background: var(--hds-status-success-surface, #dcfce7); color: var(--hds-status-success-text, #15803d); }
.hds-status-message[data-state="warning"], .hds-status-message[data-state="dirty"] { border-color: var(--hds-status-warning-border, #fcd34d); background: var(--hds-status-warning-surface, #fef3c7); color: var(--hds-status-warning-text, #b45309); }
.hds-status-message[data-state="error"] { border-color: var(--hds-status-danger-border, #fca5a5); background: var(--hds-status-danger-surface, #fee2e2); color: var(--hds-status-danger-text, #dc2626); }
.hds-status-message[data-state="loading"]::before, .hds-status-message[data-state="saving"]::before { background: transparent; border: 2px solid currentColor; border-right-color: transparent; animation: hds-spin var(--hds-skeleton-duration, 1200ms) linear infinite; }
.hds-skip-link { position: absolute; inset-block-start: var(--hds-space-2, .5rem); inset-inline-start: var(--hds-space-2, .5rem); z-index: var(--hds-z-toast, 1100); transform: translateY(-150%); border-radius: var(--hds-radius-button, 999rem); background: var(--hds-color-surface, #fff); color: var(--hds-color-heading, #0f172a); padding: .55rem .85rem; box-shadow: var(--hds-shadow-overlay, 0 1.5rem 5rem rgb(15 23 42 / .22)); text-decoration: none; font-weight: 900; }
.hds-skip-link:focus, .hds-skip-link:focus-visible { transform: translateY(0); }
@keyframes hds-spin { to { transform: rotate(360deg); } }

.hds-alert, .hds-flash { border: 1px solid var(--hds-color-border, #d7dde8); border-left-width: .35rem; border-radius: var(--hds-radius-medium, .75rem); padding: var(--hds-space-4, 1rem); background: var(--hds-color-surface, #fff); }
.hds-alert--info, .hds-flash--info { border-left-color: var(--hds-color-info, #0369a1); background: var(--hds-color-info-soft, #e0f2fe); }
.hds-alert--success, .hds-flash--success { border-left-color: var(--hds-color-success, #15803d); background: var(--hds-color-success-soft, #dcfce7); }
.hds-alert--warning, .hds-flash--warning { border-left-color: var(--hds-color-warning, #b45309); background: var(--hds-color-warning-soft, #fef3c7); }
.hds-alert--danger, .hds-flash--error { border-left-color: var(--hds-color-danger, #dc2626); background: var(--hds-color-danger-soft, #fee2e2); }
.hds-flash { display: flex; justify-content: space-between; gap: var(--hds-space-3, .75rem); align-items: flex-start; box-shadow: var(--hds-shadow-small, 0 .25rem .75rem rgb(15 23 42 / .07)); }
.hds-flash__close { border: 0; background: transparent; color: inherit; cursor: pointer; font-weight: 900; }
.hds-empty-state { display: grid; place-items: center; min-height: 14rem; text-align: center; border: 1px dashed var(--hds-color-border-strong, #aeb9ca); border-radius: var(--hds-radius-card, 1rem); padding: var(--hds-space-8, 2rem); background: var(--hds-color-surface-muted, #f1f5f9); }
.hds-empty-state > * { max-width: 34rem; }

.hds-form { display: grid; gap: var(--hds-form-gap, .75rem); }
.hds-form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(16rem, 100%), 1fr)); gap: var(--hds-space-4, 1rem); }
.hds-form-field { display: grid; gap: var(--hds-space-2, .5rem); }
.hds-label { font-weight: 800; color: var(--hds-color-heading, #0f172a); }
.hds-input, .hds-select, .hds-textarea { width: 100%; min-height: var(--hds-input-height, 2.75rem); border: 1px solid var(--hds-color-border, #d7dde8); border-radius: var(--hds-radius-input, .75rem); padding: .65rem var(--hds-input-padding-inline, .85rem); background: var(--hds-color-surface, #fff); color: var(--hds-color-text, #162033); }
.hds-textarea { min-height: 8rem; resize: vertical; }
.hds-input:focus, .hds-select:focus, .hds-textarea:focus { border-color: var(--hds-color-primary, #2457d6); box-shadow: 0 0 0 4px color-mix(in srgb, var(--hds-focus-ring-color, #7aa2ff) 28%, transparent); outline: none; }
.hds-help-text { color: var(--hds-color-text-muted, #64748b); font-size: var(--hds-font-size-sm, .875rem); }
.hds-field-error { color: var(--hds-color-danger, #dc2626); font-size: var(--hds-font-size-sm, .875rem); font-weight: 700; }

/* Core docs helpers and utilities. */
.hds-example { border: 1px dashed var(--hds-color-border, #d7dde8); border-radius: var(--hds-radius-card, 1rem); padding: var(--hds-space-6, 1.5rem); background: color-mix(in srgb, var(--hds-color-surface, #fff) 82%, transparent); }
.hds-token-table { width: 100%; border-collapse: collapse; background: var(--hds-color-surface, #fff); border-radius: var(--hds-radius-card, 1rem); overflow: hidden; box-shadow: var(--hds-shadow-small, 0 .25rem .75rem rgb(15 23 42 / .07)); }
.hds-token-table th, .hds-token-table td { text-align: left; border-bottom: 1px solid var(--hds-color-border, #d7dde8); padding: .75rem 1rem; vertical-align: top; }
.hds-token-table th { background: var(--hds-color-surface-muted, #f1f5f9); color: var(--hds-color-heading, #0f172a); }
.hds-code-block { max-width: 100%; overflow-x: auto; overflow-wrap: anywhere; background: #0f172a; color: #e2e8f0; border-radius: var(--hds-radius-medium, .75rem); padding: var(--hds-space-4, 1rem); font-family: var(--hds-font-family-mono, monospace); font-size: var(--hds-font-size-sm, .875rem); }
.hds-alert code, .hds-flash code, .hds-code-block code, code.hds-code { overflow-wrap: anywhere; word-break: break-word; }

.hds-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.hds-muted { color: var(--hds-color-text-muted, #64748b); }
.hds-text-center { text-align: center; }
.hds-full-width { width: 100%; }
.hds-hidden { display: none !important; }
.hds-nowrap { white-space: nowrap; }
.hds-mt-0 { margin-top: 0; }
.hds-mb-0 { margin-bottom: 0; }

.ds-container { width: min(100% - 2rem, var(--hds-container-max-width, 72rem)); margin-inline: auto; }
.ds-button { min-height: var(--hds-button-height, 2.75rem); display: inline-flex; align-items: center; justify-content: center; border-radius: var(--hds-radius-button, 999rem); border: 1px solid var(--hds-color-border, #d7dde8); padding: .65rem var(--hds-button-padding-inline, 1rem); font-weight: 800; text-decoration: none; }
.ds-card { background: var(--hds-color-surface, #fff); border: 1px solid var(--hds-color-border, #d7dde8); border-radius: var(--hds-radius-card, 1rem); box-shadow: var(--hds-shadow-card, 0 1rem 2rem rgb(15 23 42 / .10)); padding: clamp(1.25rem, 4vw, 3rem); }

@media (max-width: 760px) {
  .hds-split { grid-template-columns: 1fr; }
  .hds-site-header { min-height: 4.5rem; isolation: isolate; }
  .hds-site-nav { min-height: 4.5rem; align-items: center; gap: var(--hds-space-3, .75rem); }
  .hds-site-nav__brand, .hds-nav-toggle { position: relative; z-index: calc(var(--hds-z-modal, 1000) + 2); }
  .hds-site-nav__brand { min-height: 2.75rem; }
  .hds-nav-toggle {
    min-height: var(--hds-button-height, 2.75rem);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    margin-block: 0;
    border: 1px solid color-mix(in srgb, var(--hds-color-border, #d7dde8) 80%, transparent);
    border-radius: var(--hds-radius-button, 999rem);
    padding: .65rem var(--hds-button-padding-inline, 1rem);
    background: color-mix(in srgb, var(--hds-color-surface, #fff) 86%, transparent);
    box-shadow: none;
    color: var(--hds-color-text, #162033);
    cursor: pointer;
    font: inherit;
    font-weight: 800;
    line-height: 1;
    text-decoration: none;
    transition: transform var(--hds-transition-duration, 160ms) var(--hds-transition-easing, ease), background var(--hds-transition-duration, 160ms), border-color var(--hds-transition-duration, 160ms), box-shadow var(--hds-transition-duration, 160ms);
  }
  .hds-nav-toggle:hover { transform: translateY(-1px); box-shadow: var(--hds-shadow-small, 0 .25rem .75rem rgb(15 23 42 / .07)); }
  .hds-site-nav[data-hds-collapsible="true"] .hds-site-nav__links {
    position: fixed;
    inset: 0;
    z-index: calc(var(--hds-z-modal, 1000) + 1);
    width: auto;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    justify-content: center;
    gap: var(--hds-space-4, 1rem);
    padding: clamp(6rem, 18vh, 8rem) clamp(1.25rem, 6vw, 2rem) max(2rem, env(safe-area-inset-bottom));
    background:
      radial-gradient(circle at 20% 12%, color-mix(in srgb, var(--hds-color-primary, #2457d6) 16%, transparent), transparent 24rem),
      linear-gradient(180deg, color-mix(in srgb, var(--hds-color-surface, #fff) 96%, transparent), var(--hds-color-background, #f8fafc));
    backdrop-filter: blur(22px) saturate(1.15);
    -webkit-backdrop-filter: blur(22px) saturate(1.15);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transform: translateY(-.75rem) scale(.985);
    transition:
      opacity 220ms var(--hds-transition-easing, ease),
      transform 220ms var(--hds-transition-easing, ease),
      visibility 0s linear 220ms;
  }
  .hds-site-nav[data-hds-collapsible="true"].is-open .hds-site-nav__links {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
    transform: translateY(0) scale(1);
    transition-delay: 0s;
  }
  .hds-site-nav[data-hds-collapsible="true"] .hds-site-nav__links a {
    width: min(100%, 28rem);
    margin-inline: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 3.45rem;
    border: 1px solid color-mix(in srgb, var(--hds-color-primary, #2457d6) 16%, var(--hds-color-border, #d7dde8));
    border-radius: calc(var(--hds-radius-large, 1.25rem) + .25rem);
    background: color-mix(in srgb, var(--hds-color-surface, #fff) 82%, transparent);
    box-shadow: var(--hds-shadow-small, 0 .25rem .75rem rgb(15 23 42 / .07));
    color: var(--hds-color-heading, #0f172a);
    font-size: clamp(1.1rem, 5vw, 1.35rem);
    font-weight: 850;
    text-align: center;
  }
  .hds-site-nav[data-hds-collapsible="true"] .hds-site-nav__links a:hover,
  .hds-site-nav[data-hds-collapsible="true"] .hds-site-nav__links a:focus-visible,
  .hds-site-nav[data-hds-collapsible="true"] .hds-site-nav__links a[aria-current="page"] {
    background: var(--hds-color-primary, #2457d6);
    border-color: var(--hds-color-primary, #2457d6);
    color: var(--hds-color-primary-contrast, #fff);
    text-decoration: none;
    transform: translateY(-1px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: var(--hds-motion-reduced-duration, .01ms) !important; animation-duration: var(--hds-motion-reduced-duration, .01ms) !important; animation-iteration-count: 1 !important; }
  .hds-button:hover { transform: none; }
}


/* Icon primitive: StartHDS owns icon sizing, color inheritance, and SVG fitting. */
.hds-icon {
  width: var(--hds-icon-size, 1.125rem);
  min-width: var(--hds-icon-size, 1.125rem);
  max-width: var(--hds-icon-size, 1.125rem);
  height: var(--hds-icon-size, 1.125rem);
  min-height: var(--hds-icon-size, 1.125rem);
  max-height: var(--hds-icon-size, 1.125rem);
  display: inline-flex;
  flex: 0 0 var(--hds-icon-size, 1.125rem);
  align-items: center;
  justify-content: center;
  color: currentColor;
  line-height: 1;
  vertical-align: -0.175em;
  pointer-events: none;
}
.hds-icon > svg {
  width: 100%;
  height: 100%;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.hds-icon--xs { --hds-icon-size: .875rem; }
.hds-icon--sm { --hds-icon-size: 1rem; }
.hds-icon--md { --hds-icon-size: 1.25rem; }
.hds-icon--lg { --hds-icon-size: 1.5rem; }
.hds-icon--xl { --hds-icon-size: 2rem; }
.hds-icon-label { display: inline-flex; align-items: center; gap: var(--hds-space-2, .5rem); }
.hds-icon-button .hds-icon { --hds-icon-size: var(--hds-icon-button-icon-size, 1.125rem); }
.hds-button:has(.hds-icon),
.hds-site-nav__links a:has(.hds-icon),
.hds-drawer-panel a:has(.hds-icon),
.hds-tab:has(.hds-icon) { display: inline-flex; align-items: center; gap: var(--hds-space-2, .5rem); }
.hds-mobile-tabbar__item:has(.hds-icon) { display: grid; place-items: center; gap: var(--hds-space-1, .25rem); }
.hds-icon-card { display: grid; gap: var(--hds-space-3, .75rem); align-content: start; }
.hds-icon-card .hds-icon { color: var(--hds-color-primary, #2457d6); }

/* Phase 2 component icon composition additions. Icons remain optional and token-backed. */
.hds-site-nav__brand:has(.hds-icon),
.hds-nav-toggle:has(.hds-icon),
.hds-actions > a:has(.hds-icon),
.hds-actions > button:has(.hds-icon) { display: inline-flex; align-items: center; gap: var(--hds-space-2, .5rem); }
.hds-card > .hds-icon:first-child,
.hds-panel > .hds-icon:first-child,
.hds-empty-state > .hds-icon:first-child,
.hds-alert > .hds-icon:first-child { color: var(--hds-color-primary, #2457d6); }
.hds-alert:has(.hds-icon) { display: flex; align-items: flex-start; gap: var(--hds-space-2, .5rem); }
.hds-empty-state:has(.hds-icon) { display: grid; justify-items: center; gap: var(--hds-space-3, .75rem); }
/* StartHDS v1 app bundle - dependency-free app, mobile, operations, and progressive UI primitives.
   Load /v1/css/starthds-core.css first. This file intentionally does not define
   root-level tokens, resets, core layout primitives, marketing families, or knowledge families. */

/* StartHDS app/auth/admin compatibility section. Dashboard primitives live in starthds-dashboard.css. */
.hds-auth-shell { min-height: min(100vh, 52rem); display: grid; grid-template-columns: minmax(0, .9fr) minmax(min(26rem, 100%), 1.1fr); gap: var(--hds-space-8, 2rem); align-items: stretch; }
.hds-auth-panel { display: grid; align-content: center; gap: var(--hds-space-4, 1rem); background: linear-gradient(150deg, var(--hds-color-primary, #2457d6), var(--hds-color-accent, #0ea5e9)); color: var(--hds-color-primary-contrast, #fff); border-radius: var(--hds-radius-large, 1.25rem); padding: clamp(1.5rem, 5vw, 3rem); }
.hds-auth-card { align-self: center; background: var(--hds-color-surface, #fff); border: 1px solid var(--hds-color-border, #d7dde8); border-radius: var(--hds-radius-card, 1rem); box-shadow: var(--hds-shadow-large, 0 1.5rem 4rem rgb(15 23 42 / .16)); padding: clamp(1.25rem, 4vw, 2.5rem); }

.hds-admin-shell { display: grid; grid-template-columns: minmax(14rem, .28fr) minmax(0, 1fr); gap: var(--hds-space-6, 1.5rem); align-items: start; }
.hds-admin-sidebar { position: sticky; top: 5rem; display: grid; gap: var(--hds-space-3, .75rem); border: 1px solid var(--hds-color-border, #d7dde8); border-radius: var(--hds-radius-card, 1rem); background: var(--hds-color-surface, #fff); padding: var(--hds-space-4, 1rem); box-shadow: var(--hds-shadow-panel, 0 .5rem 1.5rem rgb(15 23 42 / .08)); }
.hds-admin-sidebar { background: linear-gradient(180deg, var(--hds-color-heading, #0f172a), color-mix(in srgb, var(--hds-color-heading, #0f172a) 72%, var(--hds-color-primary, #2457d6))); color: #fff; border-color: transparent; }
.hds-admin-main { min-width: 0; display: grid; gap: var(--hds-space-6, 1.5rem); }
.hds-admin-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(14rem, 100%), 1fr)); gap: var(--hds-space-4, 1rem); }

/* Generic app and mobile layout primitives: dependency-free, token-backed, and product-neutral. */
.hds-app-shell {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr);
  gap: var(--hds-app-gap, 1.25rem);
  background: var(--hds-color-background, #f8fafc);
}
.hds-app-shell:has(> .hds-app-sidebar) { grid-template-columns: minmax(14rem, var(--hds-app-sidebar-width, 18rem)) minmax(0, 1fr); }
.hds-app-main { min-width: 0; display: grid; align-content: start; gap: var(--hds-app-gap, 1.25rem); padding: var(--hds-app-gap, 1.25rem); }
.hds-app-header { min-width: 0; position: sticky; top: 0; z-index: var(--hds-z-appbar, 250); border-bottom: 1px solid var(--hds-app-chrome-border, var(--hds-color-border, #d7dde8)); background: var(--hds-app-chrome-background, var(--hds-color-surface, #fff)); }
.hds-app-sidebar,
.hds-app-aside,
.hds-app-rail {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: var(--hds-space-3, .75rem);
  border: 1px solid var(--hds-app-chrome-border, var(--hds-color-border, #d7dde8));
  background: var(--hds-app-chrome-background, var(--hds-color-surface, #fff));
  box-shadow: var(--hds-shadow-panel, 0 .5rem 1.5rem rgb(15 23 42 / .08));
}
.hds-app-sidebar { position: sticky; top: var(--hds-app-gap, 1.25rem); max-height: calc(100dvh - (var(--hds-app-gap, 1.25rem) * 2)); overflow: auto; border-radius: var(--hds-radius-card, 1rem); padding: var(--hds-space-4, 1rem); }
.hds-app-aside { width: min(100%, var(--hds-app-aside-width, 20rem)); border-radius: var(--hds-radius-card, 1rem); padding: var(--hds-space-4, 1rem); }
.hds-app-rail { width: min(100%, calc(var(--hds-app-sidebar-width, 18rem) * .75)); border-radius: var(--hds-radius-card, 1rem); padding: var(--hds-space-3, .75rem); }
.hds-app-content { width: min(100%, var(--hds-content-max-width, 64rem)); min-width: 0; margin-inline: auto; display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--hds-space-5, 1.25rem); }
.hds-app-content > * { min-width: 0; max-width: 100%; }
.hds-app-content--reading { max-width: var(--hds-reading-measure, 68ch); }
.hds-app-content--wide { width: min(100%, var(--hds-content-wide-width, 84rem)); }

.hds-mobile-page {
  min-height: 100vh;
  min-height: 100dvh;
  max-width: 100%;
  overflow-x: clip;
  width: min(100%, var(--hds-mobile-page-max-width, 30rem));
  margin-inline: auto;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  background: var(--hds-color-background, #f8fafc);
}
.hds-mobile-page__header,
.hds-mobile-page__footer,
.hds-appbar,
.hds-mobile-tabbar,
.hds-sticky-action-bar {
  background: var(--hds-app-chrome-background, var(--hds-color-surface, #fff));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.hds-mobile-page__header { position: sticky; top: 0; z-index: var(--hds-z-appbar, 250); padding-top: var(--hds-safe-area-top, 0px); border-bottom: 1px solid var(--hds-app-chrome-border, var(--hds-color-border, #d7dde8)); }
.hds-mobile-page__body { min-width: 0; max-width: 100%; overflow-x: clip; overflow-wrap: anywhere; padding: var(--hds-space-4, 1rem) max(var(--hds-space-4, 1rem), var(--hds-safe-area-right, 0px)) var(--hds-space-4, 1rem) max(var(--hds-space-4, 1rem), var(--hds-safe-area-left, 0px)); }
.hds-mobile-page__footer { position: sticky; bottom: 0; z-index: var(--hds-z-sticky, 200); padding-bottom: var(--hds-safe-area-bottom, 0px); border-top: 1px solid var(--hds-app-chrome-border, var(--hds-color-border, #d7dde8)); }

.hds-sticky-action-bar {
  position: sticky;
  bottom: 0;
  z-index: var(--hds-z-sticky, 200);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: var(--hds-space-3, .75rem);
  border-top: 1px solid var(--hds-app-chrome-border, var(--hds-color-border, #d7dde8));
  padding: var(--hds-space-3, .75rem) max(var(--hds-space-4, 1rem), var(--hds-safe-area-right, 0px)) max(var(--hds-space-3, .75rem), var(--hds-safe-area-bottom, 0px)) max(var(--hds-space-4, 1rem), var(--hds-safe-area-left, 0px));
  box-shadow: 0 -.75rem 1.5rem rgb(15 23 42 / .08);
}

.hds-appbar {
  min-width: 0;
  max-width: 100%;
  min-height: calc(var(--hds-app-header-height, 4rem) * var(--hds-density-scale, 1));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--hds-space-3, .75rem);
  padding: var(--hds-space-2, .5rem) max(var(--hds-space-4, 1rem), var(--hds-safe-area-right, 0px)) var(--hds-space-2, .5rem) max(var(--hds-space-4, 1rem), var(--hds-safe-area-left, 0px));
}
.hds-appbar__title { min-width: 0; color: var(--hds-color-heading, #0f172a); font-size: var(--hds-font-size-lg, 1.125rem); font-weight: 900; line-height: var(--hds-line-height-tight, 1.1); }
.hds-appbar__title > * { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hds-appbar__actions { display: flex; flex: 0 0 auto; align-items: center; gap: var(--hds-space-2, .5rem); }
.hds-icon-button {
  width: var(--hds-icon-button-size, 2.75rem);
  min-width: var(--hds-touch-target-min, 2.75rem);
  min-height: var(--hds-touch-target-min, 2.75rem);
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--hds-color-border, #d7dde8);
  border-radius: var(--hds-radius-pill, 999rem);
  background: var(--hds-color-surface, #fff);
  color: var(--hds-color-text, #162033);
  box-shadow: var(--hds-shadow-small, 0 .25rem .75rem rgb(15 23 42 / .07));
  font-weight: 900;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
}
.hds-icon-button:hover { border-color: var(--hds-color-primary, #2457d6); color: var(--hds-color-primary, #2457d6); text-decoration: none; }

.hds-mobile-tabbar {
  min-height: calc(var(--hds-mobile-tabbar-height, 4.75rem) + var(--hds-safe-area-bottom, 0px));
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(3.5rem, 1fr));
  align-items: stretch;
  gap: var(--hds-space-1, .25rem);
  border-top: 1px solid var(--hds-app-chrome-border, var(--hds-color-border, #d7dde8));
  padding: var(--hds-space-2, .5rem) max(var(--hds-space-3, .75rem), var(--hds-safe-area-right, 0px)) max(var(--hds-space-2, .5rem), var(--hds-safe-area-bottom, 0px)) max(var(--hds-space-3, .75rem), var(--hds-safe-area-left, 0px));
  box-shadow: 0 -.5rem 1.25rem rgb(15 23 42 / .08);
}
.hds-mobile-tabbar__item {
  position: relative;
  min-height: var(--hds-touch-target-min, 2.75rem);
  display: grid;
  place-items: center;
  gap: .1rem;
  border-radius: var(--hds-radius-medium, .75rem);
  color: var(--hds-color-text-muted, #64748b);
  font-size: var(--hds-font-size-xs, .75rem);
  font-weight: 850;
  line-height: 1.1;
  text-align: center;
  text-decoration: none;
}
.hds-mobile-tabbar__item:hover,
.hds-mobile-tabbar__item:focus-visible,
.hds-mobile-tabbar__item[aria-current="page"] { background: var(--hds-color-primary-soft, #e8efff); color: var(--hds-color-primary, #2457d6); text-decoration: none; }
.hds-mobile-tabbar__item--primary { background: var(--hds-color-primary, #2457d6); color: var(--hds-color-primary-contrast, #fff); box-shadow: var(--hds-shadow-small, 0 .25rem .75rem rgb(15 23 42 / .07)); }
.hds-mobile-tabbar__item--primary:hover,
.hds-mobile-tabbar__item--primary:focus-visible { background: var(--hds-color-primary-hover, #1d45ad); color: var(--hds-color-primary-contrast, #fff); }
.hds-mobile-tabbar__badge {
  position: absolute;
  top: .25rem;
  right: .55rem;
  min-width: 1.25rem;
  min-height: 1.25rem;
  display: inline-grid;
  place-items: center;
  border: 2px solid var(--hds-app-chrome-background, #fff);
  border-radius: var(--hds-radius-pill, 999rem);
  background: var(--hds-color-danger, #dc2626);
  color: #fff;
  font-size: .68rem;
  font-weight: 900;
  line-height: 1;
  padding-inline: .25rem;
}
.hds-mobile-tabbar-spacer { min-height: calc(var(--hds-mobile-tabbar-height, 4.75rem) + var(--hds-safe-area-bottom, 0px)); }

.hds-status-pill { display: inline-flex; width: max-content; align-items: center; gap: .35rem; border-radius: var(--hds-radius-pill, 999rem); border: 1px solid var(--hds-color-border, #d7dde8); padding: .2rem .55rem; font-size: var(--hds-font-size-xs, .75rem); font-weight: 850; }
.hds-status-pill--success { background: var(--hds-color-success-soft, #dcfce7); color: var(--hds-color-success, #15803d); }
.hds-status-pill--warning { background: var(--hds-color-warning-soft, #fef3c7); color: var(--hds-color-warning, #b45309); }
.hds-status-pill--danger { background: var(--hds-color-danger-soft, #fee2e2); color: var(--hds-color-danger, #dc2626); }


/* Progressive interaction, disclosure, sheet, menu, flow, upload, and save-status primitives. */
.hds-disclosure{border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-card,1rem);background:var(--hds-color-surface,#fff)}.hds-disclosure--card{box-shadow:var(--hds-shadow-panel,0 .5rem 1.5rem rgb(15 23 42/.08))}.hds-disclosure--compact{border-radius:var(--hds-radius-medium,.75rem)}.hds-disclosure__summary{min-height:var(--hds-touch-target-min,2.75rem);display:flex;align-items:center;justify-content:space-between;gap:var(--hds-space-3,.75rem);width:100%;border:0;background:transparent;color:var(--hds-color-heading,#0f172a);padding:var(--hds-space-4,1rem);font:inherit;font-weight:900;text-align:left;cursor:pointer}.hds-disclosure__summary::after{content:"";width:.65rem;height:.65rem;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);transition:transform var(--hds-transition-duration,160ms) var(--hds-transition-easing,ease)}.hds-disclosure[open]>.hds-disclosure__summary::after,.hds-disclosure__summary[aria-expanded=true]::after{transform:rotate(-135deg)}.hds-disclosure__content{border-top:1px solid var(--hds-color-border,#d7dde8);padding:var(--hds-space-4,1rem)}.hds-disclosure--compact .hds-disclosure__summary,.hds-disclosure--compact .hds-disclosure__content{padding:var(--hds-space-3,.75rem)}.hds-disclosure__content[hidden]{display:none!important}
.hds-sheet{position:fixed;inset:0;z-index:var(--hds-z-sheet,700);display:grid;pointer-events:none}.hds-sheet[hidden]{display:none!important}.hds-sheet.is-open{pointer-events:auto}.hds-sheet__backdrop{position:absolute;inset:0;border:0;background:var(--hds-backdrop-color,rgb(15 23 42/.44));opacity:0;transition:opacity var(--hds-transition-duration,160ms) var(--hds-transition-easing,ease);cursor:pointer}.hds-sheet.is-open .hds-sheet__backdrop{opacity:1}.hds-sheet__panel{position:relative;z-index:1;display:grid;grid-template-rows:auto auto minmax(0,1fr) auto;gap:var(--hds-space-3,.75rem);width:min(100%,var(--hds-sheet-max-width,36rem));max-height:calc(100dvh - var(--hds-safe-area-top,0px));overflow:auto;background:var(--hds-sheet-background,var(--hds-color-surface,#fff));box-shadow:var(--hds-shadow-overlay,0 1.5rem 5rem rgb(15 23 42/.22));padding:var(--hds-space-4,1rem);transform:translateY(1rem);transition:transform var(--hds-transition-duration,160ms) var(--hds-transition-easing,ease)}.hds-sheet.is-open .hds-sheet__panel{transform:translateY(0)}.hds-sheet__handle{justify-self:center;width:3rem;height:.32rem;border-radius:var(--hds-radius-pill,999rem);background:var(--hds-color-border-strong,#aeb9ca)}.hds-sheet__header,.hds-sheet__footer{display:flex;align-items:center;justify-content:space-between;gap:var(--hds-space-3,.75rem)}.hds-sheet__header{border-bottom:1px solid var(--hds-color-border,#d7dde8);padding-bottom:var(--hds-space-3,.75rem)}.hds-sheet__footer{border-top:1px solid var(--hds-color-border,#d7dde8);padding-top:var(--hds-space-3,.75rem);padding-bottom:max(var(--hds-space-2,.5rem),var(--hds-safe-area-bottom,0px))}.hds-sheet__body{min-height:0;overflow:auto}.hds-sheet--bottom{align-items:end}.hds-sheet--bottom .hds-sheet__panel{justify-self:center;border-radius:var(--hds-sheet-radius,1.5rem) var(--hds-sheet-radius,1.5rem) 0 0}.hds-sheet--side{justify-items:end}.hds-sheet--side .hds-sheet__panel{height:100dvh;max-height:100dvh;border-radius:var(--hds-sheet-radius,1.5rem) 0 0 var(--hds-sheet-radius,1.5rem);transform:translateX(1rem)}.hds-sheet--side.is-open .hds-sheet__panel{transform:translateX(0)}.hds-sheet-lock{overflow:hidden}
.hds-dialog{position:fixed;inset:0;z-index:var(--hds-z-modal,1000);display:grid;place-items:center;padding:max(var(--hds-space-4,1rem),var(--hds-safe-area-top,0px)) max(var(--hds-space-4,1rem),var(--hds-safe-area-right,0px)) max(var(--hds-space-4,1rem),var(--hds-safe-area-bottom,0px)) max(var(--hds-space-4,1rem),var(--hds-safe-area-left,0px));pointer-events:none}.hds-dialog[hidden]{display:none!important}.hds-dialog.is-open{pointer-events:auto}.hds-dialog__backdrop{position:absolute;inset:0;border:0;background:var(--hds-backdrop-color,rgb(15 23 42/.52));opacity:0;transition:opacity var(--hds-transition-duration,160ms) var(--hds-transition-easing,ease);cursor:pointer}.hds-dialog.is-open .hds-dialog__backdrop{opacity:1}.hds-dialog__panel{position:relative;z-index:1;display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:var(--hds-space-4,1rem);width:min(100%,var(--hds-dialog-max-width,42rem));max-height:min(88dvh,var(--hds-dialog-max-height,54rem));overflow:auto;border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-dialog-radius,var(--hds-radius-large,1.25rem));background:var(--hds-dialog-background,var(--hds-color-surface,#fff));color:var(--hds-color-text,#162033);box-shadow:var(--hds-shadow-overlay,0 1.5rem 5rem rgb(15 23 42/.22));padding:var(--hds-space-5,1.25rem);transform:translateY(.5rem) scale(.98);transition:opacity var(--hds-transition-duration,160ms) var(--hds-transition-easing,ease),transform var(--hds-transition-duration,160ms) var(--hds-transition-easing,ease);opacity:0}.hds-dialog.is-open .hds-dialog__panel{opacity:1;transform:translateY(0) scale(1)}.hds-dialog__header,.hds-dialog__footer{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--hds-space-3,.75rem)}.hds-dialog__header{border-bottom:1px solid var(--hds-color-border,#d7dde8);padding-bottom:var(--hds-space-3,.75rem)}.hds-dialog__body{min-height:0;overflow:auto}.hds-dialog__footer{align-items:center;justify-content:flex-end;border-top:1px solid var(--hds-color-border,#d7dde8);padding-top:var(--hds-space-3,.75rem)}.hds-dialog--wide .hds-dialog__panel{width:min(100%,var(--hds-dialog-wide-max-width,72rem))}.hds-dialog-lock{overflow:hidden}
.hds-menu{position:relative;display:inline-block}.hds-menu__trigger{min-height:var(--hds-touch-target-min,2.75rem);display:inline-flex;align-items:center;justify-content:center;gap:var(--hds-space-2,.5rem);border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-button,999rem);background:var(--hds-color-surface,#fff);color:var(--hds-color-text,#162033);padding:.55rem var(--hds-space-4,1rem);font:inherit;font-weight:850;cursor:pointer}.hds-menu__content{position:absolute;right:0;top:calc(100% + var(--hds-space-2,.5rem));z-index:var(--hds-z-dropdown,300);min-width:min(16rem,calc(100vw - 2rem));display:grid;gap:.2rem;border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-card,1rem);background:var(--hds-color-surface,#fff);box-shadow:var(--hds-shadow-overlay,0 1.5rem 5rem rgb(15 23 42/.22));padding:var(--hds-space-2,.5rem)}.hds-menu__content[hidden]{display:none!important}.hds-menu__item{min-height:2.5rem;display:flex;align-items:center;gap:var(--hds-space-2,.5rem);width:100%;border:0;border-radius:var(--hds-radius-medium,.75rem);background:transparent;color:var(--hds-color-text,#162033);padding:.55rem .75rem;text-align:left;text-decoration:none;font:inherit;font-weight:750;cursor:pointer}.hds-menu__item:hover,.hds-menu__item:focus-visible{background:var(--hds-color-primary-soft,#e8efff);color:var(--hds-color-primary,#2457d6);text-decoration:none}.hds-menu__separator{height:1px;margin:.25rem 0;border:0;background:var(--hds-color-border,#d7dde8)}
.hds-flow{display:grid;gap:var(--hds-space-5,1.25rem);border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-card,1rem);background:var(--hds-color-surface,#fff);box-shadow:var(--hds-shadow-panel,0 .5rem 1.5rem rgb(15 23 42/.08));padding:clamp(1rem,3vw,1.5rem)}.hds-flow__header,.hds-flow__footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--hds-space-3,.75rem)}.hds-flow__steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(9rem,100%),1fr));gap:var(--hds-space-2,.5rem);margin:0;padding:0;list-style:none}.hds-flow__step{display:flex;align-items:center;gap:var(--hds-space-2,.5rem);border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-pill,999rem);background:var(--hds-color-surface-muted,#f1f5f9);padding:.45rem .75rem;color:var(--hds-color-text-muted,#64748b);font-size:var(--hds-font-size-sm,.875rem);font-weight:850}.hds-flow__step[aria-current=step],.hds-flow__step.is-active{border-color:var(--hds-color-primary,#2457d6);background:var(--hds-color-primary-soft,#e8efff);color:var(--hds-color-primary,#2457d6)}.hds-flow__body{display:grid;gap:var(--hds-space-4,1rem)}.hds-flow-progress{height:.55rem;overflow:hidden;border-radius:var(--hds-radius-pill,999rem);background:var(--hds-color-surface-muted,#f1f5f9)}.hds-flow-progress::before{content:"";display:block;width:var(--hds-flow-progress-value,33%);height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--hds-color-primary,#2457d6),var(--hds-color-accent,#0ea5e9));transition:width var(--hds-transition-duration,160ms) var(--hds-transition-easing,ease)}
.hds-choice-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(14rem,100%),1fr));gap:var(--hds-space-3,.75rem)}.hds-choice-card{display:grid;gap:var(--hds-space-2,.5rem);border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-card,1rem);background:var(--hds-color-surface,#fff);color:var(--hds-color-text,#162033);padding:var(--hds-space-4,1rem);text-align:left;text-decoration:none;cursor:pointer}.hds-choice-card:hover,.hds-choice-card:focus-visible,.hds-choice-card--selected,.hds-choice-card[aria-pressed=true],.hds-choice-card[aria-checked=true]{border-color:var(--hds-color-primary,#2457d6);box-shadow:0 0 0 var(--hds-focus-ring-width,3px) color-mix(in srgb,var(--hds-focus-ring-color,#7aa2ff) 28%,transparent)}.hds-choice-card__title{color:var(--hds-color-heading,#0f172a);font-weight:900}.hds-choice-card__description{color:var(--hds-color-text-muted,#64748b);font-size:var(--hds-font-size-sm,.875rem)}
.hds-upload{display:grid;gap:var(--hds-space-3,.75rem)}.hds-upload__dropzone{display:grid;place-items:center;gap:var(--hds-space-2,.5rem);min-height:9rem;border:2px dashed var(--hds-color-border-strong,#aeb9ca);border-radius:var(--hds-radius-card,1rem);background:var(--hds-color-surface-muted,#f1f5f9);color:var(--hds-color-text-muted,#64748b);padding:var(--hds-space-5,1.25rem);text-align:center;cursor:pointer}.hds-upload__dropzone.is-dragover,.hds-upload__dropzone:focus-within{border-color:var(--hds-color-primary,#2457d6);background:var(--hds-color-primary-soft,#e8efff);color:var(--hds-color-primary,#2457d6)}.hds-upload__preview{display:grid;gap:var(--hds-space-2,.5rem);margin:0;padding:0;list-style:none}.hds-upload__item{display:flex;align-items:center;justify-content:space-between;gap:var(--hds-space-3,.75rem);border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-medium,.75rem);background:var(--hds-color-surface,#fff);padding:var(--hds-space-3,.75rem);font-size:var(--hds-font-size-sm,.875rem);font-weight:750}.hds-upload__progress{height:.45rem;min-width:7rem;overflow:hidden;border-radius:var(--hds-radius-pill,999rem);background:var(--hds-color-surface-muted,#f1f5f9)}.hds-upload__progress::before{content:"";display:block;width:var(--hds-upload-progress-value,0%);height:100%;background:var(--hds-color-primary,#2457d6)}.hds-upload__error{border:1px solid var(--hds-status-danger-border,#fca5a5);border-radius:var(--hds-radius-medium,.75rem);background:var(--hds-status-danger-surface,#fee2e2);color:var(--hds-status-danger-text,#dc2626);padding:var(--hds-space-3,.75rem);font-weight:800}.hds-upload__error[hidden]{display:none!important}
.hds-save-status{display:inline-flex;align-items:center;gap:var(--hds-space-2,.5rem);width:max-content;border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-pill,999rem);background:var(--hds-color-surface-muted,#f1f5f9);color:var(--hds-color-text-muted,#64748b);padding:.35rem .75rem;font-size:var(--hds-font-size-sm,.875rem);font-weight:900}.hds-save-status::before{content:"";width:.6rem;height:.6rem;border-radius:var(--hds-radius-pill,999rem);background:currentColor}.hds-save-status--saving{border-color:var(--hds-status-info-border,#7dd3fc);background:var(--hds-status-info-surface,#e0f2fe);color:var(--hds-status-info-text,#0369a1)}.hds-save-status--saved{border-color:var(--hds-status-success-border,#86efac);background:var(--hds-status-success-surface,#dcfce7);color:var(--hds-status-success-text,#15803d)}.hds-save-status--error{border-color:var(--hds-status-danger-border,#fca5a5);background:var(--hds-status-danger-surface,#fee2e2);color:var(--hds-status-danger-text,#dc2626)}.hds-save-status--recovered{border-color:var(--hds-status-warning-border,#fcd34d);background:var(--hds-status-warning-surface,#fef3c7);color:var(--hds-status-warning-text,#b45309)}


/* Operations, notification, trust/safety/admin, attachment, and lightbox primitives. */
.hds-task-list,.hds-notification-list,.hds-admin-list,.hds-attachment-list{display:grid;gap:var(--hds-space-3,.75rem);margin:0;padding:0;list-style:none}
.hds-task-card,.hds-notification-item,.hds-admin-list-item,.hds-moderation-item,.hds-attachment-item{min-width:0;max-width:100%;border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-card,1rem);background:var(--hds-color-surface,#fff);box-shadow:var(--hds-shadow-panel,0 .5rem 1.5rem rgb(15 23 42/.08))}
.hds-task-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--hds-space-3,.75rem) var(--hds-space-4,1rem);align-items:start;padding:clamp(1rem,3vw,1.35rem);border-left:.35rem solid var(--hds-color-task,#2457d6)}
.hds-task-card__title{margin:0;color:var(--hds-color-heading,#0f172a);font-size:var(--hds-font-size-lg,1.125rem);font-weight:900;line-height:var(--hds-line-height-tight,1.1)}
.hds-task-card__description{grid-column:1/-1;margin:0;color:var(--hds-color-text-muted,#64748b)}.hds-task-card__meta{display:flex;flex-wrap:wrap;align-items:center;gap:var(--hds-space-2,.5rem);color:var(--hds-color-text-muted,#64748b);font-size:var(--hds-font-size-sm,.875rem);font-weight:750}
.hds-task-card__action{justify-self:end;min-height:2.5rem;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-pill,999rem);background:var(--hds-color-surface,#fff);color:var(--hds-color-primary,#2457d6);padding:.45rem .85rem;font-weight:850;text-decoration:none;cursor:pointer}.hds-task-card__action:hover,.hds-task-card__action:focus-visible{border-color:var(--hds-color-primary,#2457d6);background:var(--hds-color-primary-soft,#e8efff);text-decoration:none}
.hds-task-card--urgent{border-left-color:var(--hds-color-task-urgent,#dc2626);background:color-mix(in srgb,var(--hds-color-danger-soft,#fee2e2) 22%,var(--hds-color-surface,#fff))}.hds-task-card--complete{border-left-color:var(--hds-color-success,#15803d);background:color-mix(in srgb,var(--hds-color-success-soft,#dcfce7) 26%,var(--hds-color-surface,#fff))}.hds-task-card--complete .hds-task-card__title{text-decoration:line-through;text-decoration-thickness:.08em;text-decoration-color:color-mix(in srgb,currentColor 45%,transparent)}
.hds-notification-item{position:relative;display:grid;gap:var(--hds-space-2,.5rem);padding:var(--hds-space-4,1rem)}.hds-notification-item--unread{border-color:color-mix(in srgb,var(--hds-color-notification,#0369a1) 38%,var(--hds-color-border,#d7dde8));background:color-mix(in srgb,var(--hds-color-notification-soft,#e0f2fe) 34%,var(--hds-color-surface,#fff))}.hds-notification-item--unread::before{content:"";position:absolute;top:var(--hds-space-4,1rem);right:var(--hds-space-4,1rem);width:.65rem;height:.65rem;border-radius:var(--hds-radius-pill,999rem);background:var(--hds-color-notification,#0369a1)}
.hds-notification-badge{min-width:1.65rem;min-height:1.65rem;display:inline-grid;place-items:center;border:2px solid var(--hds-color-surface,#fff);border-radius:var(--hds-radius-pill,999rem);background:var(--hds-color-notification,#0369a1);color:var(--hds-color-primary-contrast,#fff);padding-inline:.45rem;font-size:var(--hds-font-size-xs,.75rem);font-weight:950;line-height:1}
.hds-trust-badge{max-width:100%;display:inline-flex;align-items:center;gap:var(--hds-space-2,.5rem);width:max-content;min-height:2rem;border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-pill,999rem);background:var(--hds-color-surface-muted,#f1f5f9);color:var(--hds-color-text-muted,#64748b);padding:.3rem .7rem;font-size:var(--hds-font-size-sm,.875rem);font-weight:900;line-height:1.2}.hds-trust-badge::before{content:"";width:.55rem;height:.55rem;border-radius:var(--hds-radius-pill,999rem);background:currentColor}.hds-trust-badge--verified{border-color:var(--hds-color-verified-border,#93c5fd);background:var(--hds-color-verified-soft,#dbeafe);color:var(--hds-color-verified,#2563eb)}.hds-trust-badge--staff{border-color:color-mix(in srgb,var(--hds-color-admin,#334155) 38%,var(--hds-color-border,#d7dde8));background:var(--hds-color-admin-soft,#e2e8f0);color:var(--hds-color-admin,#334155)}.hds-trust-badge--expert{border-color:color-mix(in srgb,var(--hds-color-accent,#0ea5e9) 38%,var(--hds-color-border,#d7dde8));background:var(--hds-color-accent-soft,#e0f2fe);color:var(--hds-color-accent,#0ea5e9)}.hds-trust-badge--trusted{border-color:var(--hds-color-trust-border,#5eead4);background:var(--hds-color-trust-soft,#ccfbf1);color:var(--hds-color-trust,#0f766e)}
.hds-notice{min-width:0;max-width:100%;overflow-wrap:anywhere;display:grid;grid-template-columns:auto minmax(0,1fr);gap:var(--hds-space-3,.75rem);align-items:start;border:1px solid var(--hds-status-info-border,#7dd3fc);border-radius:var(--hds-radius-card,1rem);background:var(--hds-status-info-surface,#e0f2fe);color:var(--hds-status-info-text,#0369a1);padding:var(--hds-space-4,1rem);font-weight:750}.hds-notice::before{content:"";width:.85rem;height:.85rem;margin-top:.35rem;border-radius:var(--hds-radius-pill,999rem);background:currentColor}.hds-notice--info{border-color:var(--hds-status-info-border,#7dd3fc);background:var(--hds-status-info-surface,#e0f2fe);color:var(--hds-status-info-text,#0369a1)}.hds-notice--success{border-color:var(--hds-status-success-border,#86efac);background:var(--hds-status-success-surface,#dcfce7);color:var(--hds-status-success-text,#15803d)}.hds-notice--warning{border-color:var(--hds-status-warning-border,#fcd34d);background:var(--hds-status-warning-surface,#fef3c7);color:var(--hds-status-warning-text,#b45309)}.hds-notice--danger{border-color:var(--hds-status-danger-border,#fca5a5);background:var(--hds-status-danger-surface,#fee2e2);color:var(--hds-status-danger-text,#dc2626)}.hds-notice--trust{border-color:var(--hds-color-trust-border,#5eead4);background:var(--hds-color-trust-soft,#ccfbf1);color:var(--hds-color-trust,#0f766e)}
.hds-table-wrap{min-width:0;max-width:100%;width:100%;overflow-x:auto;border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-card,1rem);background:var(--hds-color-surface,#fff);box-shadow:var(--hds-shadow-small,0 .25rem .75rem rgb(15 23 42/.07))}.hds-table{width:100%;min-width:38rem;border-collapse:collapse;background:var(--hds-color-surface,#fff)}.hds-table :where(th,td){border-bottom:1px solid var(--hds-color-border,#d7dde8);padding:.85rem 1rem;text-align:left;vertical-align:top}.hds-table :where(th){background:var(--hds-color-surface-muted,#f1f5f9);color:var(--hds-color-heading,#0f172a);font-size:var(--hds-font-size-sm,.875rem);font-weight:900}.hds-table :where(tbody tr:last-child td){border-bottom:0}
.hds-admin-list-item,.hds-moderation-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--hds-space-3,.75rem);align-items:start;padding:var(--hds-space-4,1rem)}.hds-admin-list-item__content,.hds-moderation-item__content{display:flex;align-items:flex-start;gap:var(--hds-space-3,.75rem);min-width:0}.hds-admin-list-item__content>.hds-icon,.hds-moderation-item__content>.hds-icon{margin-block-start:.15rem;color:var(--hds-color-primary,#2457d6)}
.hds-moderation-item{border-left:.35rem solid var(--hds-color-moderation,#b45309);background:color-mix(in srgb,var(--hds-color-moderation-soft,#fef3c7) 28%,var(--hds-color-surface,#fff))}.hds-bulk-action-bar{position:sticky;bottom:max(var(--hds-space-3,.75rem),var(--hds-safe-area-bottom,0px));z-index:var(--hds-z-sticky,200);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--hds-space-3,.75rem);border:1px solid color-mix(in srgb,var(--hds-color-primary,#2457d6) 26%,var(--hds-color-border,#d7dde8));border-radius:var(--hds-radius-card,1rem);background:var(--hds-app-chrome-background,var(--hds-color-surface,#fff));box-shadow:var(--hds-shadow-card,0 1rem 2rem rgb(15 23 42/.10));padding:var(--hds-space-3,.75rem) var(--hds-space-4,1rem);backdrop-filter:blur(16px) saturate(1.1)}
.hds-attachment-item{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:var(--hds-space-3,.75rem);align-items:center;padding:var(--hds-space-3,.75rem)}.hds-attachment-preview{width:4rem;height:4rem;display:grid;place-items:center;overflow:hidden;border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-medium,.75rem);background:var(--hds-color-attachment-soft,#e0f2fe);color:var(--hds-color-attachment,#0ea5e9);font-weight:950}.hds-attachment-preview :where(img,svg){width:100%;height:100%;object-fit:cover}.hds-attachment-meta{min-width:0;overflow-wrap:anywhere;display:grid;gap:.15rem;color:var(--hds-color-text-muted,#64748b);font-size:var(--hds-font-size-sm,.875rem)}.hds-attachment-meta strong{color:var(--hds-color-heading,#0f172a);font-size:var(--hds-font-size-base,1rem)}.hds-attachment-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:var(--hds-space-2,.5rem)}
.hds-lightbox{min-width:0;max-width:100%;display:grid;gap:var(--hds-space-4,1rem);place-items:center;border-radius:var(--hds-radius-card,1rem);background:var(--hds-lightbox-background,rgb(2 6 23/.88));color:var(--hds-lightbox-text,#fff);padding:clamp(1rem,4vw,2rem)}.hds-lightbox__image{width:min(100%,var(--hds-lightbox-max-width,72rem));max-height:min(70vh,42rem);object-fit:contain;border-radius:var(--hds-radius-medium,.75rem);background:color-mix(in srgb,var(--hds-lightbox-text,#fff) 8%,transparent);box-shadow:var(--hds-shadow-overlay,0 1.5rem 5rem rgb(15 23 42/.22))}.hds-lightbox__caption{max-width:var(--hds-readable-max-width,42rem);margin:0;color:color-mix(in srgb,var(--hds-lightbox-text,#fff) 84%,transparent);text-align:center}


/* App-bundle responsive rules. Core owns site navigation; this bundle only adapts app surfaces. */
@media (max-width: 760px) {
  .hds-auth-shell,
  .hds-admin-shell,
  .hds-app-shell,
  .hds-app-shell:has(> .hds-app-sidebar),
  .hds-task-card,
  .hds-admin-list-item,
  .hds-moderation-item,
  .hds-attachment-item { grid-template-columns: 1fr; }
  .hds-admin-sidebar,
  .hds-app-sidebar { position: static; max-height: none; }
  .hds-app-main { padding-inline: var(--hds-space-4, 1rem); }
  .hds-app-aside, .hds-app-rail { width: 100%; }
}

@media (max-width: 520px) {
  .hds-sheet__panel { width: min(calc(100% - 2rem), var(--hds-sheet-max-width, 36rem)); }
}

@media (prefers-reduced-motion: reduce) {
  .hds-sheet__backdrop, .hds-sheet__panel, .hds-dialog__backdrop, .hds-dialog__panel, .hds-disclosure__summary::after { transition-duration: var(--hds-motion-reduced-duration, .01ms) !important; }
}

/* Phase 2 app/component icon composition additions. */
.hds-app-sidebar a:has(.hds-icon),
.hds-sheet__footer .hds-button:has(.hds-icon),
.hds-dialog__footer .hds-button:has(.hds-icon),
.hds-menu__trigger:has(.hds-icon),
.hds-menu__item:has(.hds-icon),
.hds-task-card__action:has(.hds-icon),
.hds-attachment-actions .hds-button:has(.hds-icon),
.hds-bulk-action-bar .hds-button:has(.hds-icon) { display: inline-flex; align-items: center; gap: var(--hds-space-2, .5rem); }
.hds-notice:has(.hds-icon) { display: flex; align-items: flex-start; gap: var(--hds-space-2, .5rem); }
.hds-notice > .hds-icon:first-child { color: var(--hds-color-primary, #2457d6); }
/* StartHDS knowledge/discovery bundle.
   Load /v1/css/starthds-core.css first. This file contains product-neutral
   search, command, suggestion, tab, filter, chip, tag, result, metric,
   content, reading, response, selected-marker, reaction, comment,
   community/Q&A, media/article/course/gallery, breadcrumb, and pagination
   primitives. It intentionally does not define root tokens, resets, app/admin
   shells, mobile tabbars, sheets, flows, uploads, pricing, funnel, landing, or
   product/theme-specific families. */

/* Media, course, article, and navigation patterns: dependency-free and token-backed. */
.hds-media-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(min(26rem, 100%), .9fr);
  gap: var(--hds-space-8, 2rem);
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--hds-color-border, #d7dde8);
  border-radius: calc(var(--hds-radius-card, 1rem) + .5rem);
  background:
    radial-gradient(circle at 82% 18%, color-mix(in srgb, var(--hds-color-accent, #0ea5e9) 20%, transparent), transparent 24rem),
    linear-gradient(135deg, color-mix(in srgb, var(--hds-color-primary, #2457d6) 14%, var(--hds-color-surface, #fff)), var(--hds-color-surface, #fff));
  box-shadow: var(--hds-shadow-large, 0 1.5rem 4rem rgb(15 23 42 / .16));
  padding: clamp(1.5rem, 6vw, 4rem);
}
.hds-media-hero :where(h1) { max-width: 13ch; margin: 0; color: var(--hds-color-heading, #0f172a); font-size: var(--hds-font-size-hero, clamp(2.25rem, 6vw, 4.5rem)); line-height: var(--hds-line-height-tight, 1.1); letter-spacing: var(--hds-letter-spacing-tight, -0.035em); }
.hds-media-hero :where(p) { max-width: var(--hds-readable-max-width, 42rem); }

.hds-media-grid,
.hds-course-grid,
.hds-article-grid,
.hds-gallery,
.hds-image-strip {
  display: grid;
  gap: var(--hds-grid-gap, 1.5rem);
}
.hds-media-grid,
.hds-course-grid,
.hds-article-grid { grid-template-columns: repeat(auto-fit, minmax(min(18rem, 100%), 1fr)); }
.hds-gallery { grid-template-columns: repeat(auto-fit, minmax(min(14rem, 100%), 1fr)); }
.hds-image-strip { grid-template-columns: repeat(auto-fit, minmax(min(10rem, 100%), 1fr)); }

.hds-media-card,
.hds-video-card,
.hds-course-card,
.hds-article-card,
.hds-gallery-item {
  min-width: 0;
  overflow: hidden;
  display: grid;
  gap: 0;
  align-content: start;
  border: 1px solid var(--hds-color-border, #d7dde8);
  border-radius: var(--hds-radius-card, 1rem);
  background: var(--hds-color-surface, #fff);
  box-shadow: var(--hds-shadow-panel, 0 .5rem 1.5rem rgb(15 23 42 / .08));
}
.hds-media-card:hover,
.hds-video-card:hover,
.hds-course-card:hover,
.hds-article-card:hover,
.hds-gallery-item:hover { border-color: var(--hds-color-border-strong, #aeb9ca); }
.hds-media-card__image,
.hds-gallery-item :where(img, picture),
.hds-image-strip :where(img, picture) {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: linear-gradient(135deg, var(--hds-color-surface-muted, #f1f5f9), var(--hds-color-primary-soft, #e8efff));
}
.hds-media-card__body,
.hds-course-card,
.hds-article-card { padding: clamp(1rem, 3vw, 1.5rem); }
.hds-media-card__body,
.hds-course-card,
.hds-article-card { display: grid; gap: var(--hds-space-3, .75rem); }
.hds-media-card__meta,
.hds-article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--hds-space-2, .5rem) var(--hds-space-3, .75rem);
  color: var(--hds-color-text-muted, #64748b);
  font-size: var(--hds-font-size-sm, .875rem);
  font-weight: 800;
}

.hds-video-card { position: relative; }
.hds-video-frame,
.hds-video-placeholder {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-radius: var(--hds-radius-card, 1rem);
  background:
    radial-gradient(circle at 50% 42%, color-mix(in srgb, var(--hds-color-primary, #2457d6) 22%, transparent), transparent 18rem),
    linear-gradient(135deg, var(--hds-color-heading, #0f172a), color-mix(in srgb, var(--hds-color-heading, #0f172a) 72%, var(--hds-color-primary, #2457d6)));
  color: var(--hds-color-primary-contrast, #fff);
}
.hds-video-card .hds-video-frame { border-radius: 0; }
.hds-video-frame :where(iframe, video, img) { width: 100%; height: 100%; border: 0; object-fit: cover; }
.hds-video-placeholder { padding: var(--hds-space-6, 1.5rem); text-align: center; }
.hds-play-button {
  width: 4rem;
  height: 4rem;
  display: inline-grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--hds-color-primary-contrast, #fff) 32%, transparent);
  border-radius: var(--hds-radius-pill, 999rem);
  background: var(--hds-color-primary, #2457d6);
  color: var(--hds-color-primary-contrast, #fff);
  box-shadow: var(--hds-shadow-card, 0 1rem 2rem rgb(15 23 42 / .10));
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}
.hds-play-button::before { content: "▶"; margin-left: .15rem; font-size: 1.25rem; line-height: 1; }
.hds-play-button:hover { background: var(--hds-color-primary-hover, #1d45ad); color: var(--hds-color-primary-contrast, #fff); }

.hds-course-progress {
  --hds-course-progress-value: 0%;
  overflow: hidden;
  min-height: .65rem;
  border-radius: var(--hds-radius-pill, 999rem);
  background: var(--hds-color-surface-muted, #f1f5f9);
  border: 1px solid var(--hds-color-border, #d7dde8);
}
.hds-course-progress::before {
  content: "";
  display: block;
  width: var(--hds-course-progress-value, 0%);
  min-width: .65rem;
  max-width: 100%;
  height: .65rem;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--hds-color-primary, #2457d6), var(--hds-color-accent, #0ea5e9));
}
.hds-lesson-list { display: grid; gap: var(--hds-space-3, .75rem); margin: 0; padding: 0; list-style: none; }
.hds-lesson-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--hds-space-3, .75rem);
  border: 1px solid var(--hds-color-border, #d7dde8);
  border-radius: var(--hds-radius-medium, .75rem);
  background: var(--hds-color-surface, #fff);
  padding: var(--hds-space-3, .75rem) var(--hds-space-4, 1rem);
}
.hds-lesson-item[aria-current="step"] { border-color: color-mix(in srgb, var(--hds-color-primary, #2457d6) 42%, var(--hds-color-border, #d7dde8)); background: var(--hds-color-primary-soft, #e8efff); }

.hds-gallery-item { padding: var(--hds-space-2, .5rem); }
.hds-gallery-item :where(figcaption) { color: var(--hds-color-text-muted, #64748b); font-size: var(--hds-font-size-sm, .875rem); font-weight: 700; padding: var(--hds-space-2, .5rem); }
.hds-image-strip { align-items: stretch; }
.hds-image-strip > * { overflow: hidden; border-radius: var(--hds-radius-medium, .75rem); border: 1px solid var(--hds-color-border, #d7dde8); background: var(--hds-color-surface-muted, #f1f5f9); }

.hds-breadcrumbs,
.hds-pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--hds-space-2, .5rem);
  color: var(--hds-color-text-muted, #64748b);
  font-size: var(--hds-font-size-sm, .875rem);
  font-weight: 800;
}
.hds-breadcrumbs :where(ol, ul),
.hds-pagination :where(ol, ul) { display: contents; list-style: none; margin: 0; padding: 0; }
.hds-breadcrumbs :where(li),
.hds-pagination :where(li) { display: inline-flex; align-items: center; gap: var(--hds-space-2, .5rem); }
.hds-breadcrumbs :where(li + li)::before { content: "/"; color: var(--hds-color-border-strong, #aeb9ca); }
.hds-pagination :where(a, span),
.hds-breadcrumbs :where(a) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.25rem;
  border-radius: var(--hds-radius-pill, 999rem);
  padding: .35rem .75rem;
  text-decoration: none;
}
.hds-pagination :where(a) { border: 1px solid var(--hds-color-border, #d7dde8); background: var(--hds-color-surface, #fff); color: var(--hds-color-text, #162033); }
.hds-pagination :where(a:hover, a:focus-visible),
.hds-pagination [aria-current="page"] { border-color: var(--hds-color-primary, #2457d6); background: var(--hds-color-primary, #2457d6); color: var(--hds-color-primary-contrast, #fff); }

/* Discovery, search, command, content, reading, response, and reaction primitives. */
.hds-search{display:flex;align-items:center;gap:var(--hds-space-2,.5rem);width:100%;border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-pill,999rem);background:var(--hds-color-surface,#fff);box-shadow:var(--hds-shadow-small,0 .25rem .75rem rgb(15 23 42/.07));padding:var(--hds-search-padding,var(--hds-space-2,.5rem))}.hds-search:focus-within{border-color:var(--hds-color-primary,#2457d6);box-shadow:0 0 0 var(--hds-focus-ring-width,3px) color-mix(in srgb,var(--hds-focus-ring-color,#7aa2ff) 42%,transparent)}.hds-search--large{--hds-search-padding:var(--hds-space-3,.75rem);border-radius:calc(var(--hds-radius-large,1.25rem) + .35rem)}.hds-search--compact{--hds-search-padding:.25rem;box-shadow:none}.hds-search__input{min-width:0;min-height:var(--hds-input-height,2.75rem);flex:1 1 auto;border:0;outline:0;background:transparent;color:var(--hds-color-text,#162033);padding-inline:var(--hds-input-padding-inline,.85rem)}.hds-search__button,.hds-search__clear{min-width:var(--hds-touch-target-min,2.75rem);min-height:var(--hds-touch-target-min,2.75rem);display:inline-flex;align-items:center;justify-content:center;gap:var(--hds-space-2,.5rem);border:1px solid transparent;border-radius:var(--hds-radius-pill,999rem);padding-inline:var(--hds-space-4,1rem);font-weight:850;line-height:1;text-decoration:none;cursor:pointer}.hds-search__button{background:var(--hds-color-primary,#2457d6);color:var(--hds-color-primary-contrast,#fff)}.hds-search__clear{background:var(--hds-color-surface-muted,#f1f5f9);color:var(--hds-color-text-muted,#64748b)}
.hds-command{width:min(100%,var(--hds-command-width,42rem));display:grid;gap:var(--hds-space-4,1rem);border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-card,1rem);background:var(--hds-color-surface,#fff);box-shadow:var(--hds-shadow-overlay,0 1.5rem 5rem rgb(15 23 42/.22));padding:var(--hds-space-4,1rem)}.hds-command[hidden]{display:none!important}.hds-command[data-hds-command-panel]{position:fixed;top:max(var(--hds-space-6,1.5rem),var(--hds-safe-area-top,0));left:50%;z-index:var(--hds-z-command,450);transform:translateX(-50%);max-height:min(80vh,42rem);overflow:auto}.hds-command__input{width:100%;min-height:var(--hds-input-height,2.75rem);border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-input,.75rem);background:var(--hds-color-surface-muted,#f1f5f9);padding-inline:var(--hds-input-padding-inline,.85rem)}.hds-command__section{display:grid;gap:var(--hds-space-2,.5rem)}.hds-command__section>:where(h2,h3){margin:0;color:var(--hds-color-text-muted,#64748b);font-size:var(--hds-font-size-xs,.75rem);font-weight:900;letter-spacing:var(--hds-letter-spacing-wide,.08em);text-transform:uppercase}.hds-command__list{display:grid;gap:var(--hds-space-2,.5rem);margin:0;padding:0;list-style:none}.hds-command__item{width:100%;min-height:var(--hds-touch-target-min,2.75rem);display:grid;gap:.15rem;border:1px solid transparent;border-radius:var(--hds-radius-medium,.75rem);background:transparent;color:var(--hds-color-text,#162033);padding:var(--hds-space-3,.75rem);text-align:left;text-decoration:none;cursor:pointer}.hds-command__item:hover,.hds-command__item:focus-visible,.hds-command__item[aria-selected=true]{border-color:color-mix(in srgb,var(--hds-color-primary,#2457d6) 32%,var(--hds-color-border,#d7dde8));background:var(--hds-color-primary-soft,#e8efff)}.hds-command__item-meta{color:var(--hds-color-text-muted,#64748b);font-size:var(--hds-font-size-sm,.875rem);font-weight:650}.hds-command__empty{border:1px dashed var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-medium,.75rem);color:var(--hds-color-text-muted,#64748b);padding:var(--hds-space-4,1rem);text-align:center}.hds-command__footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--hds-space-2,.5rem);border-top:1px solid var(--hds-color-border,#d7dde8);color:var(--hds-color-text-muted,#64748b);font-size:var(--hds-font-size-sm,.875rem);padding-top:var(--hds-space-3,.75rem)}
.hds-suggestion-list{display:grid;gap:var(--hds-space-2,.5rem);margin:0;padding:0;list-style:none}.hds-suggestion-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--hds-space-2,.5rem) var(--hds-space-3,.75rem);align-items:center;border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-medium,.75rem);background:var(--hds-color-surface,#fff);padding:var(--hds-space-3,.75rem)}.hds-suggestion-item__title{color:var(--hds-color-heading,#0f172a);font-weight:850}.hds-suggestion-item__meta{color:var(--hds-color-text-muted,#64748b);font-size:var(--hds-font-size-sm,.875rem)}.hds-suggestion-item__action{grid-row:span 2;min-height:2.25rem;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--hds-radius-pill,999rem);padding:.35rem .75rem;font-weight:850;text-decoration:none}
.hds-tabs{display:flex;flex-wrap:wrap;gap:var(--hds-space-2,.5rem);border-bottom:1px solid var(--hds-color-border,#d7dde8)}.hds-tab{min-height:var(--hds-touch-target-min,2.75rem);display:inline-flex;align-items:center;justify-content:center;border:0;border-bottom:.2rem solid transparent;background:transparent;color:var(--hds-color-text-muted,#64748b);padding:.65rem var(--hds-space-4,1rem);font-weight:850;cursor:pointer;text-decoration:none}.hds-tab:hover,.hds-tab:focus-visible,.hds-tab[aria-selected=true],.hds-tab[aria-current=page]{border-bottom-color:var(--hds-color-primary,#2457d6);color:var(--hds-color-primary,#2457d6)}.hds-tab-panel{padding-block:var(--hds-space-4,1rem)}.hds-tab-panel[hidden]{display:none!important}
.hds-filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:var(--hds-space-2,.5rem);border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-card,1rem);background:var(--hds-color-surface,#fff);padding:var(--hds-space-3,.75rem)}.hds-filter-button,.hds-filter-chip{min-height:2.5rem;display:inline-flex;align-items:center;justify-content:center;gap:var(--hds-space-2,.5rem);border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-pill,999rem);background:var(--hds-color-surface,#fff);color:var(--hds-color-text,#162033);padding:.45rem .8rem;font-weight:850;text-decoration:none;cursor:pointer}.hds-filter-button[aria-pressed=true],.hds-filter-button[aria-expanded=true],.hds-filter-chip[aria-pressed=true],.hds-filter-chip.is-selected{border-color:var(--hds-color-primary,#2457d6);background:var(--hds-color-primary-soft,#e8efff);color:var(--hds-color-primary,#2457d6)}.hds-filter-chip__remove{width:1.5rem;height:1.5rem;display:inline-grid;place-items:center;border:0;border-radius:var(--hds-radius-pill,999rem);background:color-mix(in srgb,var(--hds-color-text-muted,#64748b) 12%,transparent);color:inherit;cursor:pointer}.hds-filter-summary{color:var(--hds-color-text-muted,#64748b);font-size:var(--hds-font-size-sm,.875rem);font-weight:750}.hds-filter-panel{width:100%;display:grid;gap:var(--hds-space-3,.75rem);border-top:1px solid var(--hds-color-border,#d7dde8);margin-top:var(--hds-space-2,.5rem);padding-top:var(--hds-space-3,.75rem)}.hds-filter-panel[hidden]{display:none!important}
.hds-chip-group,.hds-tag-group{display:flex;flex-wrap:wrap;align-items:center;gap:var(--hds-space-2,.5rem)}.hds-chip,.hds-tag{min-height:2rem;display:inline-flex;align-items:center;justify-content:center;gap:var(--hds-space-2,.5rem);border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-pill,999rem);background:var(--hds-color-surface,#fff);color:var(--hds-color-text,#162033);padding:.3rem .7rem;font-size:var(--hds-font-size-sm,.875rem);font-weight:850;line-height:1.2;text-decoration:none}.hds-chip--selected,.hds-tag--selected,.hds-chip[aria-pressed=true],.hds-tag[aria-pressed=true]{border-color:var(--hds-color-primary,#2457d6);background:var(--hds-color-primary-soft,#e8efff);color:var(--hds-color-primary,#2457d6)}.hds-chip--removable{padding-right:.35rem}.hds-chip--muted{background:var(--hds-color-surface-muted,#f1f5f9);color:var(--hds-color-text-muted,#64748b)}
.hds-result-card,.hds-response-card{min-width:0;display:grid;gap:var(--hds-space-4,1rem);border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-card,1rem);background:var(--hds-color-surface,#fff);box-shadow:var(--hds-shadow-panel,0 .5rem 1.5rem rgb(15 23 42/.08));padding:clamp(1rem,3vw,1.5rem)}.hds-result-card--featured,.hds-response-card--featured{border-color:color-mix(in srgb,var(--hds-color-primary,#2457d6) 38%,var(--hds-color-border,#d7dde8));box-shadow:var(--hds-shadow-card,0 1rem 2rem rgb(15 23 42/.10))}.hds-result-card--compact,.hds-response-card--compact{gap:var(--hds-space-2,.5rem);padding:var(--hds-space-4,1rem)}.hds-result-card__header,.hds-result-card__body,.hds-result-card__footer,.hds-result-card__actions,.hds-response-card__header,.hds-response-card__body,.hds-response-card__footer,.hds-response-card__actions{min-width:0}.hds-result-card__header,.hds-response-card__header{display:grid;gap:var(--hds-space-2,.5rem)}.hds-result-card__title,.hds-response-card__title{margin:0;color:var(--hds-color-heading,#0f172a);font-size:var(--hds-font-size-xl,1.35rem);line-height:var(--hds-line-height-tight,1.1)}.hds-result-card__excerpt,.hds-response-card__summary{margin:0;color:var(--hds-color-text,#162033)}.hds-result-card__meta,.hds-response-card__meta{display:flex;flex-wrap:wrap;gap:var(--hds-space-2,.5rem) var(--hds-space-3,.75rem);color:var(--hds-color-text-muted,#64748b);font-size:var(--hds-font-size-sm,.875rem);font-weight:750}.hds-result-card__media{overflow:hidden;border-radius:var(--hds-radius-medium,.75rem);background:var(--hds-color-surface-muted,#f1f5f9)}.hds-result-card__footer,.hds-result-card__actions,.hds-response-card__footer,.hds-response-card__actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--hds-space-3,.75rem)}
.hds-metric-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(9rem,100%),1fr));gap:var(--hds-space-3,.75rem)}.hds-metric{display:grid;gap:.15rem;border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-medium,.75rem);background:var(--hds-color-surface-muted,#f1f5f9);padding:var(--hds-space-3,.75rem)}.hds-metric__value{color:var(--hds-color-heading,#0f172a);font-size:var(--hds-font-size-xl,1.35rem);font-weight:950;line-height:1}.hds-metric__label{color:var(--hds-color-text-muted,#64748b);font-size:var(--hds-font-size-sm,.875rem);font-weight:800}
.hds-content-header{display:grid;gap:var(--hds-space-3,.75rem)}.hds-content-title{margin:0;color:var(--hds-color-heading,#0f172a);font-size:var(--hds-font-size-2xl,clamp(1.7rem,3vw,2.25rem));line-height:var(--hds-line-height-tight,1.1);letter-spacing:var(--hds-letter-spacing-tight,-.035em)}.hds-content-subtitle{max-width:var(--hds-readable-max-width,42rem);margin:0;color:var(--hds-color-text-muted,#64748b);font-size:var(--hds-font-size-lg,1.125rem)}.hds-content-meta,.hds-content-tags,.hds-content-actions{display:flex;flex-wrap:wrap;align-items:center;gap:var(--hds-space-2,.5rem) var(--hds-space-3,.75rem)}.hds-content-meta{color:var(--hds-color-text-muted,#64748b);font-size:var(--hds-font-size-sm,.875rem);font-weight:750}.hds-content-section{display:grid;gap:var(--hds-space-4,1rem);border-top:1px solid var(--hds-color-border,#d7dde8);padding-block:var(--hds-space-6,1.5rem)}.hds-content-section--surface{border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-card,1rem);background:var(--hds-color-surface-muted,#f1f5f9);padding:var(--hds-space-5,1.25rem)}.hds-content-section--compact{gap:var(--hds-space-2,.5rem);padding-block:var(--hds-space-4,1rem)}.hds-content-section--callout{border:1px solid color-mix(in srgb,var(--hds-color-primary,#2457d6) 32%,var(--hds-color-border,#d7dde8));border-left-width:.35rem;border-radius:var(--hds-radius-medium,.75rem);background:var(--hds-color-primary-soft,#e8efff);padding:var(--hds-space-4,1rem)}
.hds-meta-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(11rem,100%),1fr));gap:var(--hds-space-3,.75rem);margin:0}.hds-meta-list__item{display:grid;gap:.15rem;border-bottom:1px solid var(--hds-color-border,#d7dde8);padding-block:var(--hds-space-2,.5rem)}.hds-meta-list__term{color:var(--hds-color-text-muted,#64748b);font-size:var(--hds-font-size-xs,.75rem);font-weight:900;letter-spacing:var(--hds-letter-spacing-wide,.08em);text-transform:uppercase}.hds-meta-list__description{margin:0;color:var(--hds-color-heading,#0f172a);font-weight:800}
.hds-reading{width:min(100%,var(--hds-reading-width,68ch));margin-inline:auto;display:grid;gap:var(--hds-space-6,1.5rem)}.hds-reading-header,.hds-reading-footer{display:grid;gap:var(--hds-space-3,.75rem)}.hds-reading-body{display:grid;gap:var(--hds-space-4,1rem);font-size:var(--hds-font-size-lg,1.125rem);line-height:1.75}.hds-reading-body :where(p,ul,ol,blockquote){margin-block:0}.hds-reading-body :where(h2,h3){margin-block:var(--hds-space-4,1rem) 0;color:var(--hds-color-heading,#0f172a);line-height:var(--hds-line-height-tight,1.1)}.hds-reading-footer{border-top:1px solid var(--hds-color-border,#d7dde8);padding-top:var(--hds-space-4,1rem);color:var(--hds-color-text-muted,#64748b)}
.hds-response-card--success{border-color:color-mix(in srgb,var(--hds-color-success,#15803d) 42%,var(--hds-color-border,#d7dde8))}.hds-response-card--trusted{border-color:color-mix(in srgb,var(--hds-color-trust,#0f766e) 42%,var(--hds-color-border,#d7dde8))}.hds-response-card__body{display:grid;gap:var(--hds-space-4,1rem)}.hds-response-card__body :where(p,ul,ol){margin-block:0}.hds-selected-marker{display:inline-flex;align-items:center;gap:var(--hds-space-2,.5rem);width:max-content;border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-pill,999rem);background:var(--hds-color-surface-muted,#f1f5f9);color:var(--hds-color-text-muted,#64748b);padding:.3rem .7rem;font-size:var(--hds-font-size-sm,.875rem);font-weight:900}.hds-selected-marker--success{border-color:var(--hds-status-success-border,#86efac);background:var(--hds-status-success-surface,#dcfce7);color:var(--hds-status-success-text,#15803d)}.hds-selected-marker--trusted{border-color:var(--hds-color-trust-border,#5eead4);background:var(--hds-color-trust-soft,#ccfbf1);color:var(--hds-color-trust,#0f766e)}
.hds-reaction-bar{display:flex;flex-wrap:wrap;align-items:center;gap:var(--hds-space-2,.5rem)}.hds-reaction-button,.hds-helpful-button{min-height:2.5rem;display:inline-flex;align-items:center;justify-content:center;gap:var(--hds-space-2,.5rem);border:1px solid var(--hds-color-border,#d7dde8);border-radius:var(--hds-radius-pill,999rem);background:var(--hds-color-surface,#fff);color:var(--hds-color-text,#162033);padding:.45rem .85rem;font-weight:850;text-decoration:none;cursor:pointer}.hds-reaction-button:hover,.hds-helpful-button:hover,.hds-reaction-button:focus-visible,.hds-helpful-button:focus-visible{border-color:var(--hds-color-primary,#2457d6);color:var(--hds-color-primary,#2457d6)}.hds-reaction-button--active,.hds-reaction-button[aria-pressed=true],.hds-helpful-button[aria-pressed=true]{border-color:var(--hds-color-primary,#2457d6);background:var(--hds-color-primary-soft,#e8efff);color:var(--hds-color-primary,#2457d6)}

/* Comments, community, and Q&A-like knowledge surfaces. */
.hds-comment-thread,
.hds-community-list,
.hds-qa-thread { display: grid; gap: var(--hds-grid-gap, 1.5rem); margin: 0; padding: 0; list-style: none; }
.hds-comment-thread,
.hds-qa-thread { position: relative; }
.hds-comment-thread::before,
.hds-qa-thread::before { content: ""; position: absolute; inset-block: .5rem; left: 1.25rem; width: 1px; background: var(--hds-color-border, #d7dde8); }
.hds-comment-card,
.hds-reply-card,
.hds-community-card,
.hds-member-card,
.hds-profile-card,
.hds-question-card,
.hds-answer-card { min-width: 0; display: grid; gap: var(--hds-space-3, .75rem); align-content: start; border: 1px solid var(--hds-color-border, #d7dde8); border-radius: var(--hds-radius-card, 1rem); background: var(--hds-color-surface, #fff); box-shadow: var(--hds-shadow-panel, 0 .5rem 1.5rem rgb(15 23 42 / .08)); padding: clamp(1rem, 3vw, 1.5rem); }
.hds-comment-card,
.hds-reply-card,
.hds-answer-card { position: relative; margin-left: calc(var(--hds-space-8, 2rem) + .5rem); }
.hds-comment-card,
.hds-question-card { margin-left: 0; }
.hds-reply-card,
.hds-answer-card { background: var(--hds-color-surface-muted, #f1f5f9); }
.hds-question-card { border-left: .35rem solid var(--hds-color-primary, #2457d6); }
.hds-answer-card { border-left: .35rem solid var(--hds-color-trust, #0f766e); }
.hds-question-card__title,
.hds-answer-card__title { margin: 0; color: var(--hds-color-heading, #0f172a); font-size: var(--hds-font-size-lg, 1.125rem); line-height: var(--hds-line-height-tight, 1.1); }
.hds-question-card__meta,
.hds-answer-card__meta,
.hds-author-line { display: flex; flex-wrap: wrap; align-items: center; gap: var(--hds-space-2, .5rem) var(--hds-space-3, .75rem); color: var(--hds-color-text-muted, #64748b); font-size: var(--hds-font-size-sm, .875rem); font-weight: 800; }
.hds-avatar { width: var(--hds-avatar-size, 2.75rem); height: var(--hds-avatar-size, 2.75rem); flex: 0 0 auto; display: inline-grid; place-items: center; overflow: hidden; border: 2px solid var(--hds-color-surface, #fff); border-radius: var(--hds-radius-pill, 999rem); background: linear-gradient(135deg, var(--hds-color-primary, #2457d6), var(--hds-color-accent, #0ea5e9)); color: var(--hds-color-primary-contrast, #fff); font-size: var(--hds-font-size-sm, .875rem); font-weight: 900; text-transform: uppercase; box-shadow: var(--hds-shadow-small, 0 .25rem .75rem rgb(15 23 42 / .07)); }
.hds-avatar :where(img, picture, svg) { width: 100%; height: 100%; object-fit: cover; }
.hds-avatar-group { display: flex; align-items: center; padding-left: .45rem; }
.hds-avatar-group .hds-avatar { margin-left: -.45rem; }
.hds-community-card,
.hds-member-card,
.hds-profile-card { grid-template-columns: auto minmax(0, 1fr); align-items: start; }
.hds-community-card > :not(.hds-avatar),
.hds-member-card > :not(.hds-avatar),
.hds-profile-card > :not(.hds-avatar) { min-width: 0; }
.hds-profile-card { align-items: center; }
.hds-profile-card .hds-avatar { --hds-avatar-size: 4rem; }


/* Knowledge bundle responsive rules. Core handles global navigation and layout. */
@media (max-width: 760px) {
  .hds-community-card,
  .hds-member-card,
  .hds-profile-card { grid-template-columns: 1fr; }
  .hds-comment-thread::before,
  .hds-qa-thread::before { display: none; }
  .hds-comment-card,
  .hds-reply-card,
  .hds-question-card,
  .hds-answer-card { margin-left: 0; }
}

@media (max-width: 520px) {
  .hds-search { flex-wrap: wrap; border-radius: var(--hds-radius-card, 1rem); }
  .hds-search__input { flex-basis: 100%; }
  .hds-search__button,
  .hds-search__clear { flex: 1 1 auto; }
  .hds-command[data-hds-command-panel] { width: min(calc(100% - 2rem), var(--hds-command-width, 42rem)); }
}

/* Phase 2 knowledge/search icon composition additions. */
.hds-search__icon { color: var(--hds-color-text-muted, #64748b); display: inline-flex; align-items: center; justify-content: center; padding-inline-start: var(--hds-space-2, .5rem); pointer-events: none; }
.hds-filter-button:has(.hds-icon),
.hds-command__item:has(.hds-icon),
.hds-suggestion-item__action:has(.hds-icon),
.hds-result-card__actions :is(a, button):has(.hds-icon),
.hds-reaction-button:has(.hds-icon),
.hds-helpful-button:has(.hds-icon) { display: inline-flex; align-items: center; gap: var(--hds-space-2, .5rem); }
/* StartHDS v1 marketing bundle - dependency-free marketing, growth, and conversion primitives.
   Load /v1/css/starthds-core.css first. This file intentionally does not define
   root-level tokens, resets, core layout primitives, app surfaces, or knowledge/discovery families. */

/* Marketing and conversion sections: dependency-free, token-backed public classes. */
.hds-landing-hero {
  display: grid;
  gap: var(--hds-space-8, 2rem);
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--hds-color-border, #d7dde8);
  border-radius: calc(var(--hds-radius-card, 1rem) + .5rem);
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--hds-color-accent, #0ea5e9) 18%, transparent), transparent 28rem),
    linear-gradient(135deg, color-mix(in srgb, var(--hds-color-primary, #2457d6) 11%, var(--hds-color-surface, #fff)), var(--hds-color-surface, #fff));
  box-shadow: var(--hds-shadow-large, 0 1.5rem 4rem rgb(15 23 42 / .16));
  padding: clamp(1.5rem, 6vw, 4rem);
}
.hds-landing-hero--split { grid-template-columns: minmax(0, 1.15fr) minmax(min(24rem, 100%), .85fr); }
.hds-landing-hero--centered { justify-items: center; text-align: center; }
.hds-landing-hero :where(h1) { max-width: 13ch; margin: 0; color: var(--hds-color-heading, #0f172a); font-size: var(--hds-font-size-hero, clamp(2.25rem, 6vw, 4.5rem)); line-height: var(--hds-line-height-tight, 1.1); letter-spacing: var(--hds-letter-spacing-tight, -0.035em); }
.hds-landing-hero--centered :where(h1, p) { max-width: min(100%, 48rem); }
.hds-landing-hero :where(p) { max-width: var(--hds-readable-max-width, 42rem); }

.hds-proof-strip,
.hds-logo-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--hds-space-3, .75rem) var(--hds-space-6, 1.5rem);
}
.hds-proof-strip {
  border-block: 1px solid var(--hds-color-border, #d7dde8);
  padding-block: var(--hds-space-4, 1rem);
  color: var(--hds-color-text-muted, #64748b);
  font-size: var(--hds-font-size-sm, .875rem);
  font-weight: 800;
}
.hds-logo-strip { color: var(--hds-color-text-muted, #64748b); }
.hds-logo-strip > * { max-width: 12rem; opacity: .78; }

.hds-benefit-grid,
.hds-feature-grid,
.hds-testimonial-grid,
.hds-pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(18rem, 100%), 1fr));
  gap: var(--hds-grid-gap, 1.5rem);
}
.hds-benefit-card,
.hds-feature-card,
.hds-testimonial-card,
.hds-pricing-card,
.hds-cta-panel {
  display: grid;
  gap: var(--hds-space-3, .75rem);
  align-content: start;
  border: 1px solid var(--hds-color-border, #d7dde8);
  border-radius: var(--hds-radius-card, 1rem);
  background: var(--hds-color-surface, #fff);
  box-shadow: var(--hds-shadow-panel, 0 .5rem 1.5rem rgb(15 23 42 / .08));
  padding: clamp(1.1rem, 3vw, 1.75rem);
}
.hds-benefit-card { border-left: .35rem solid var(--hds-color-primary, #2457d6); }
.hds-feature-card { min-height: 100%; }
.hds-feature-card :where(svg, img) { width: 3rem; height: 3rem; object-fit: cover; border-radius: var(--hds-radius-medium, .75rem); }

.hds-problem-solution,
.hds-before-after {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--hds-space-4, 1rem);
  align-items: stretch;
}
.hds-problem-solution > *,
.hds-before-after > * {
  border: 1px solid var(--hds-color-border, #d7dde8);
  border-radius: var(--hds-radius-card, 1rem);
  background: var(--hds-color-surface, #fff);
  padding: var(--hds-space-5, 1.25rem);
}
.hds-before-after > :first-child { background: var(--hds-color-surface-muted, #f1f5f9); }
.hds-before-after > :last-child { background: color-mix(in srgb, var(--hds-color-success-soft, #dcfce7) 72%, var(--hds-color-surface, #fff)); }

.hds-testimonial { margin: 0; }
.hds-testimonial-card { gap: var(--hds-space-4, 1rem); }
.hds-testimonial-card :where(blockquote) { margin: 0; color: var(--hds-color-heading, #0f172a); font-size: var(--hds-font-size-lg, 1.125rem); font-weight: 750; }
.hds-testimonial-card :where(figcaption, cite) { color: var(--hds-color-text-muted, #64748b); font-size: var(--hds-font-size-sm, .875rem); font-style: normal; font-weight: 800; }

.hds-pricing-card { position: relative; }
.hds-pricing-card[data-featured="true"],
.hds-pricing-card.is-featured { border-color: color-mix(in srgb, var(--hds-color-primary, #2457d6) 42%, var(--hds-color-border, #d7dde8)); box-shadow: var(--hds-shadow-card, 0 1rem 2rem rgb(15 23 42 / .10)); }
.hds-pricing-feature-list { display: grid; gap: var(--hds-space-2, .5rem); margin: 0; padding: 0; list-style: none; }
.hds-pricing-feature-list li { display: flex; gap: var(--hds-space-2, .5rem); align-items: flex-start; }
.hds-pricing-feature-list li::before { content: "✓"; flex: 0 0 auto; color: var(--hds-color-success, #15803d); font-weight: 900; }
.hds-pricing-badge { display: inline-flex; width: max-content; align-items: center; border-radius: var(--hds-radius-pill, 999rem); background: var(--hds-color-primary, #2457d6); color: var(--hds-color-primary-contrast, #fff); padding: .25rem .65rem; font-size: var(--hds-font-size-xs, .75rem); font-weight: 900; letter-spacing: var(--hds-letter-spacing-wide, .08em); text-transform: uppercase; }

.hds-faq { display: grid; gap: var(--hds-space-3, .75rem); }
.hds-faq-item { border: 1px solid var(--hds-color-border, #d7dde8); border-radius: var(--hds-radius-card, 1rem); background: var(--hds-color-surface, #fff); padding: var(--hds-space-4, 1rem); }
.hds-faq-item > summary { cursor: pointer; color: var(--hds-color-heading, #0f172a); font-weight: 850; }
.hds-faq-item > * + * { margin-top: var(--hds-space-3, .75rem); }

.hds-cta-band {
  border-radius: calc(var(--hds-radius-card, 1rem) + .5rem);
  background: linear-gradient(135deg, var(--hds-color-heading, #0f172a), color-mix(in srgb, var(--hds-color-primary, #2457d6) 68%, var(--hds-color-heading, #0f172a)));
  color: var(--hds-color-primary-contrast, #fff);
  padding: clamp(1.5rem, 5vw, 3rem);
}
.hds-cta-band :where(h1, h2, h3, p) { color: inherit; }
.hds-cta-panel { background: color-mix(in srgb, var(--hds-color-surface, #fff) 92%, transparent); color: var(--hds-color-text, #162033); }
.hds-cta-panel :where(h1, h2, h3) { color: var(--hds-color-heading, #0f172a); }

/* Social, community, sharing, conversion, and funnel patterns: dependency-free and token-backed. */
.hds-social-proof, .hds-comment-thread, .hds-social-links { display: grid; gap: var(--hds-grid-gap, 1.5rem); }
.hds-social-proof { grid-template-columns: repeat(auto-fit, minmax(min(18rem, 100%), 1fr)); }
.hds-comment-thread { position: relative; }
.hds-comment-thread::before { content: ""; position: absolute; inset-block: .5rem; left: 1.25rem; width: 1px; background: var(--hds-color-border, #d7dde8); }
.hds-social-proof-card, .hds-review-card, .hds-comment-card, .hds-reply-card, .hds-community-card, .hds-member-card, .hds-profile-card, .hds-lead-magnet-card, .hds-webinar-card, .hds-event-card, .hds-comparison-card, .hds-guarantee-card, .hds-risk-reversal { min-width: 0; display: grid; gap: var(--hds-space-3, .75rem); align-content: start; border: 1px solid var(--hds-color-border, #d7dde8); border-radius: var(--hds-radius-card, 1rem); background: var(--hds-color-surface, #fff); box-shadow: var(--hds-shadow-panel, 0 .5rem 1.5rem rgb(15 23 42 / .08)); padding: clamp(1rem, 3vw, 1.5rem); }
.hds-social-proof-card, .hds-comparison-card { border-top: .3rem solid var(--hds-color-primary, #2457d6); }
.hds-review-card :where(blockquote) { margin: 0; color: var(--hds-color-heading, #0f172a); font-size: var(--hds-font-size-lg, 1.125rem); font-weight: 750; }
.hds-review-stars { display: inline-flex; width: max-content; align-items: center; gap: .1rem; color: var(--hds-color-warning, #b45309); font-weight: 900; letter-spacing: .08em; }
.hds-review-author, .hds-author-line { display: flex; flex-wrap: wrap; align-items: center; gap: var(--hds-space-3, .75rem); color: var(--hds-color-text-muted, #64748b); font-size: var(--hds-font-size-sm, .875rem); font-weight: 800; }
.hds-comment-card, .hds-reply-card { position: relative; margin-left: calc(var(--hds-space-8, 2rem) + .5rem); }
.hds-comment-card { margin-left: 0; }
.hds-reply-card { background: var(--hds-color-surface-muted, #f1f5f9); }
.hds-avatar { width: var(--hds-avatar-size, 2.75rem); height: var(--hds-avatar-size, 2.75rem); flex: 0 0 auto; display: inline-grid; place-items: center; overflow: hidden; border: 2px solid var(--hds-color-surface, #fff); border-radius: var(--hds-radius-pill, 999rem); background: linear-gradient(135deg, var(--hds-color-primary, #2457d6), var(--hds-color-accent, #0ea5e9)); color: var(--hds-color-primary-contrast, #fff); font-size: var(--hds-font-size-sm, .875rem); font-weight: 900; text-transform: uppercase; box-shadow: var(--hds-shadow-small, 0 .25rem .75rem rgb(15 23 42 / .07)); }
.hds-avatar :where(img, picture, svg) { width: 100%; height: 100%; object-fit: cover; }
.hds-avatar-group { display: flex; align-items: center; padding-left: .45rem; }
.hds-avatar-group .hds-avatar { margin-left: -.45rem; }
.hds-community-card, .hds-member-card, .hds-profile-card { grid-template-columns: auto minmax(0, 1fr); align-items: start; }
.hds-community-card > :not(.hds-avatar), .hds-member-card > :not(.hds-avatar), .hds-profile-card > :not(.hds-avatar) { min-width: 0; }
.hds-profile-card { align-items: center; }
.hds-profile-card .hds-avatar { --hds-avatar-size: 4rem; }
.hds-share-bar { display: flex; flex-wrap: wrap; align-items: center; gap: var(--hds-space-2, .5rem); border: 1px solid var(--hds-color-border, #d7dde8); border-radius: var(--hds-radius-card, 1rem); background: var(--hds-color-surface, #fff); padding: var(--hds-space-3, .75rem); }
.hds-share-button, .hds-social-link { min-height: 2.5rem; display: inline-flex; align-items: center; justify-content: center; gap: var(--hds-space-2, .5rem); border: 1px solid var(--hds-color-border, #d7dde8); border-radius: var(--hds-radius-pill, 999rem); background: var(--hds-color-surface, #fff); color: var(--hds-color-text, #162033); padding: .45rem .8rem; font-size: var(--hds-font-size-sm, .875rem); font-weight: 850; text-decoration: none; }
.hds-share-button:hover, .hds-share-button:focus-visible, .hds-social-link:hover, .hds-social-link:focus-visible { border-color: var(--hds-color-primary, #2457d6); color: var(--hds-color-primary, #2457d6); text-decoration: none; }
.hds-social-links { grid-template-columns: repeat(auto-fit, minmax(min(9rem, 100%), 1fr)); }
.hds-lead-magnet-card { grid-template-columns: minmax(0, 1fr) minmax(min(20rem, 100%), .8fr); align-items: center; }
.hds-optin-form { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--hds-space-3, .75rem); align-items: end; }
.hds-optin-form :where(.hds-form-field) { margin: 0; }
.hds-webinar-card, .hds-event-card { border-left: .35rem solid var(--hds-color-accent, #0ea5e9); }
.hds-countdown { display: grid; grid-template-columns: repeat(auto-fit, minmax(4.75rem, 1fr)); gap: var(--hds-space-2, .5rem); }
.hds-countdown > * { display: grid; place-items: center; gap: .15rem; min-height: 4.5rem; border: 1px solid var(--hds-color-border, #d7dde8); border-radius: var(--hds-radius-medium, .75rem); background: var(--hds-color-surface-muted, #f1f5f9); color: var(--hds-color-heading, #0f172a); font-weight: 900; }
.hds-countdown small { color: var(--hds-color-text-muted, #64748b); font-size: var(--hds-font-size-xs, .75rem); font-weight: 800; text-transform: uppercase; letter-spacing: var(--hds-letter-spacing-wide, .08em); }
.hds-urgency-note { display: flex; align-items: flex-start; gap: var(--hds-space-2, .5rem); border: 1px solid color-mix(in srgb, var(--hds-color-warning, #b45309) 32%, var(--hds-color-border, #d7dde8)); border-radius: var(--hds-radius-medium, .75rem); background: var(--hds-color-warning-soft, #fef3c7); color: var(--hds-color-heading, #0f172a); padding: var(--hds-space-3, .75rem) var(--hds-space-4, 1rem); font-weight: 800; }
.hds-step-list, .hds-process-timeline { display: grid; gap: var(--hds-space-4, 1rem); margin: 0; padding: 0; list-style: none; counter-reset: hds-step; }
.hds-step-list > li, .hds-process-timeline > li {
  counter-increment: hds-step;
  position: relative;
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr);
  grid-template-areas:
    "marker title"
    "marker body";
  column-gap: var(--hds-space-4, 1rem);
  row-gap: var(--hds-space-3, .75rem);
  align-items: start;
  border: 1px solid var(--hds-color-border, #d7dde8);
  border-radius: var(--hds-radius-card, 1rem);
  background: var(--hds-color-surface, #fff);
  padding: clamp(1.25rem, 4vw, 1.75rem);
}
.hds-step-list > li::before, .hds-process-timeline > li::before {
  content: counter(hds-step);
  grid-area: marker;
  position: relative;
  z-index: 1;
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  border-radius: var(--hds-radius-pill, 999rem);
  background: var(--hds-color-primary, #2457d6);
  color: var(--hds-color-primary-contrast, #fff);
  box-shadow: 0 .5rem 1.25rem color-mix(in srgb, var(--hds-color-primary, #2457d6) 24%, transparent);
  font-weight: 900;
  line-height: 1;
}
.hds-step-list > li > :first-child, .hds-process-timeline > li > :first-child { grid-area: title; margin-block: 0; align-self: center; }
.hds-step-list > li > :not(:first-child), .hds-process-timeline > li > :not(:first-child) { grid-column: 2; margin-block: 0; }
.hds-process-timeline > li:not(:last-child)::after { content: ""; position: absolute; left: calc(clamp(1.25rem, 4vw, 1.75rem) + 1.375rem); top: calc(clamp(1.25rem, 4vw, 1.75rem) + 2.75rem); bottom: calc(-1 * var(--hds-space-4, 1rem)); width: 2px; background: var(--hds-color-border, #d7dde8); }
.hds-comparison-table { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: var(--hds-radius-card, 1rem); background: var(--hds-color-surface, #fff); box-shadow: var(--hds-shadow-small, 0 .25rem .75rem rgb(15 23 42 / .07)); }
.hds-comparison-table :where(th, td) { text-align: left; border-bottom: 1px solid var(--hds-color-border, #d7dde8); padding: .85rem 1rem; vertical-align: top; }
.hds-comparison-table :where(th) { background: var(--hds-color-surface-muted, #f1f5f9); color: var(--hds-color-heading, #0f172a); font-weight: 900; }
.hds-comparison-table :where(tbody tr:last-child td) { border-bottom: 0; }
.hds-guarantee-card { border-color: color-mix(in srgb, var(--hds-color-success, #15803d) 38%, var(--hds-color-border, #d7dde8)); background: color-mix(in srgb, var(--hds-color-success-soft, #dcfce7) 38%, var(--hds-color-surface, #fff)); }
.hds-risk-reversal { border-style: dashed; background: color-mix(in srgb, var(--hds-color-primary-soft, #e8efff) 42%, var(--hds-color-surface, #fff)); }

/* Marketing bundle responsive rules. Core handles global navigation, core layout, and utilities. */
@media (max-width: 760px) {
  .hds-landing-hero--split,
  .hds-problem-solution,
  .hds-before-after,
  .hds-lead-magnet-card,
  .hds-optin-form,
  .hds-community-card,
  .hds-member-card,
  .hds-profile-card { grid-template-columns: 1fr; }

  .hds-comment-thread::before { display: none; }
  .hds-comment-card,
  .hds-reply-card { margin-left: 0; }
}

@media (max-width: 420px) {
  .hds-step-list > li, .hds-process-timeline > li {
    grid-template-columns: 1fr;
    grid-template-areas:
      "marker"
      "title"
      "body";
    row-gap: var(--hds-space-3, .75rem);
  }
  .hds-step-list > li::before, .hds-process-timeline > li::before { width: 2.5rem; height: 2.5rem; }
  .hds-step-list > li > :not(:first-child), .hds-process-timeline > li > :not(:first-child) { grid-column: 1; }
  .hds-process-timeline > li:not(:last-child)::after { left: calc(clamp(1.25rem, 4vw, 1.75rem) + 1.25rem); top: calc(clamp(1.25rem, 4vw, 1.75rem) + 2.5rem); }
}

/* Phase 2 marketing icon composition additions. */
.hds-benefit-card > .hds-icon:first-child,
.hds-feature-card > .hds-icon:first-child,
.hds-pricing-card > .hds-icon:first-child { color: var(--hds-color-primary, #2457d6); }
.hds-pricing-feature-list li:has(.hds-icon)::before { content: none; }
.hds-pricing-feature-list .hds-icon { color: var(--hds-color-success, #15803d); margin-top: .1rem; }
.hds-cta-panel .hds-button:has(.hds-icon) { display: inline-flex; align-items: center; gap: var(--hds-space-2, .5rem); }

/* StartHDS Markdown renderer additions */
.hds-markdown {
  color: var(--hds-color-text);
}
.hds-markdown[data-hds-markdown]:not([data-hds-markdown-enhanced="true"]),
.hds-markdown[data-hds-markdown-src]:empty {
  white-space: pre-wrap;
}
.hds-markdown .hds-prose,
.hds-reading-body.hds-prose {
  max-width: var(--hds-reading-measure, 72ch);
}
.hds-markdown-landing {
  max-width: none;
}
.hds-markdown :where(p, ul, ol, blockquote, pre, table) {
  margin-block: 0 var(--hds-space-4, 1rem);
}
.hds-markdown :where(h1, h2, h3, h4, h5, h6) {
  margin-block: var(--hds-space-6, 1.5rem) var(--hds-space-3, 0.75rem);
}
.hds-markdown :where(ul, ol) {
  padding-inline-start: var(--hds-space-6, 1.5rem);
}
.hds-markdown blockquote {
  border-inline-start: 0.25rem solid var(--hds-color-border-strong, #cbd5e1);
  color: var(--hds-color-muted, #475569);
  padding: var(--hds-space-3, 0.75rem) var(--hds-space-4, 1rem);
  background: var(--hds-color-surface-subtle, #f8fafc);
  border-radius: var(--hds-radius-card, 1rem);
}
.hds-markdown code:not(pre code) {
  background: var(--hds-color-surface-subtle, #f8fafc);
  border: 1px solid var(--hds-color-border, #e2e8f0);
  border-radius: var(--hds-radius-sm, 0.375rem);
  padding: 0.1em 0.35em;
}
.hds-markdown .hds-code-block {
  overflow-x: auto;
  white-space: pre;
}
.hds-markdown-table-wrap {
  overflow-x: auto;
}
.hds-markdown .hds-video-frame video,
.hds-markdown .hds-media-card video,
.hds-markdown .hds-gallery-item img,
.hds-markdown .hds-media-card img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--hds-radius-card, 1rem);
}
.hds-markdown .hds-video-frame video {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}
.hds-markdown .hds-content-section > :last-child,
.hds-markdown .hds-card > :last-child,
.hds-markdown .hds-cta-panel > :last-child {
  margin-bottom: 0;
}
.hds-markdown-task-list {
  list-style: none;
  padding-inline-start: 0;
}
.hds-markdown-task-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--hds-space-2, .5rem);
}
.hds-markdown-task-checkbox {
  inline-size: 1rem;
  block-size: 1rem;
  margin-block-start: .35em;
  accent-color: var(--hds-color-primary, #2457d6);
}
.hds-markdown-card {
  margin-block: var(--hds-space-4, 1rem);
}