/* ============================================================
   Employee Service Hub — UI kit component styles
   Built ENTIRELY on Pastel Sky semantic tokens (../../colors_and_type.css).
   Zero hardcoded hex / px font-sizes / radii — per AGENTS.md.
   ============================================================ */

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--color-surface-base);
  color: var(--color-text-primary);
  -webkit-font-smoothing: antialiased;
}
#root { height: 100vh; }
a { color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ---------------- Shell ---------------- */
.shell { display: flex; flex-direction: column; height: 100vh; }
.shell__header {
  height: 64px; flex-shrink: 0;
  display: flex; align-items: center; gap: var(--space-inline-md);
  padding: 0 var(--space-inset-lg);
  background: var(--color-surface-raised);
  border-bottom: 0.5px solid var(--color-border-subtle);
  position: sticky; top: 0; z-index: 100;
}
.shell__logo {
  display: flex; align-items: center; gap: var(--space-inline-sm);
  font-size: var(--fs-lg); font-weight: var(--fw-bold);
  color: var(--color-action-primary); white-space: nowrap;
}
.shell__logo iconify-icon { font-size: 22px; }
.shell__search { flex: 1; max-width: 480px; position: relative; display: flex; align-items: center; }
.shell__search iconify-icon { position: absolute; left: var(--space-inset-md); color: var(--color-text-tertiary); font-size: 16px; pointer-events: none; }
.shell__search input {
  width: 100%; height: 40px; font-family: var(--font-sans);
  padding: 0 var(--space-inset-md) 0 calc(var(--space-inset-md) * 2 + 16px);
  background: var(--color-surface-raised); border: 1px solid var(--color-border-default);
  border-radius: var(--radius-component); font-size: var(--typography-label-size);
  color: var(--color-text-primary);
  transition: border-color var(--motion-enter-duration) var(--motion-enter-easing);
}
.shell__search input::placeholder { color: var(--color-text-tertiary); }
.shell__search input:focus { outline: none; border-color: var(--color-border-action); border-width: 2px; background: var(--color-surface-raised); }
.shell__actions { display: flex; align-items: center; gap: var(--space-inline-sm); margin-left: auto; }

.icon-btn {
  position: relative; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  background: transparent; border: none; border-radius: var(--radius-component); cursor: pointer;
  color: var(--color-text-secondary); font-size: 20px;
  transition: background var(--motion-enter-duration) var(--motion-enter-easing);
}
.icon-btn:hover { background: var(--color-surface-sunken); color: var(--color-text-primary); }
.icon-btn__badge {
  position: absolute; top: 6px; right: 6px; min-width: 16px; height: 16px; padding: 0 4px;
  background: var(--color-feedback-info); color: var(--color-surface-raised);
  border-radius: var(--radius-pill); font-size: 9px; font-weight: var(--fw-bold);
  display: flex; align-items: center; justify-content: center; border: 1.5px solid var(--color-surface-raised);
}
.avatar {
  width: 32px; height: 32px; border-radius: var(--radius-pill);
  background: var(--color-accent-subtle); color: var(--color-accent-default);
  display: flex; align-items: center; justify-content: center;
  font-size: var(--typography-caption-size); font-weight: var(--fw-bold);
}
.user-menu { display: flex; align-items: center; gap: 6px; cursor: pointer; background: none; border: none; padding: 4px; border-radius: var(--radius-component); }
.user-menu:hover { background: var(--color-surface-sunken); }
.user-menu iconify-icon { color: var(--color-text-tertiary); font-size: 14px; }

.shell__body { display: flex; flex: 1; min-height: 0; }
.shell__sidebar {
  width: 240px; flex-shrink: 0; background: var(--color-surface-raised);
  border-right: 0.5px solid var(--color-border-subtle); padding: var(--space-inset-md);
  display: flex; flex-direction: column; gap: var(--space-stack-sm);
}
.shell__content { flex: 1; overflow-y: auto; padding: var(--space-inset-lg); --content-bg: color-mix(in srgb, var(--color-surface-base) 50%, var(--color-surface-raised)); background: var(--content-bg); }
.shell__content-inner { max-width: 1080px; margin: 0; }

.nav-item {
  display: flex; align-items: center; gap: var(--space-inline-sm);
  padding: var(--space-inset-sm) var(--space-inset-md); border-radius: var(--radius-component);
  font-size: var(--typography-label-size); font-weight: var(--fw-medium);
  color: var(--color-text-secondary); text-decoration: none; cursor: pointer;
  background: transparent; border: none; border-left: 2px solid transparent; width: 100%; text-align: left;
  font-family: var(--font-sans);
  transition: background var(--motion-enter-duration) var(--motion-enter-easing), color var(--motion-enter-duration) var(--motion-enter-easing);
}
.nav-item iconify-icon { font-size: 20px; color: var(--color-text-tertiary); }
.nav-item:hover { background: var(--color-surface-sunken); color: var(--color-text-primary); }
.nav-item:hover iconify-icon { color: var(--color-text-secondary); }
.nav-item--active {
  background: var(--color-feedback-info-subtle); color: var(--color-feedback-info);
  border-left-color: var(--color-action-primary); border-radius: 0 var(--radius-component) var(--radius-component) 0;
}
.nav-item--active iconify-icon { color: var(--color-feedback-info); }
.nav-section-label { font-size: var(--typography-caption-size); color: var(--color-text-tertiary); font-weight: var(--fw-medium); text-transform: uppercase; letter-spacing: .05em; padding: var(--space-inset-sm) var(--space-inset-md) 4px; }
.nav-spacer { flex: 1; }

/* ---------------- Page header ---------------- */
.page-head { display: flex; flex-direction: column; gap: var(--space-stack-sm); margin-bottom: var(--space-stack-lg); }
.page-head__row { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-inline-md); flex-wrap: wrap; }
.page-title { font-size: var(--typography-heading-lg-size); font-weight: var(--typography-heading-lg-weight); line-height: var(--lh-tight); margin: 0; }
.page-sub { font-size: var(--typography-body-lg-size); color: var(--color-text-secondary); margin: 0; }
.section-title { font-size: var(--typography-heading-sm-size); font-weight: var(--typography-heading-sm-weight); margin: 0 0 var(--space-stack-md); }
.stack-lg { display: flex; flex-direction: column; gap: var(--space-stack-lg); }

/* ---------------- Breadcrumb ---------------- */
.breadcrumb__list { display: flex; align-items: center; flex-wrap: wrap; list-style: none; margin: 0 0 var(--space-stack-md); padding: 0; }
.breadcrumb__item { display: flex; align-items: center; }
.breadcrumb__link { font-size: var(--typography-caption-size); color: var(--color-text-secondary); text-decoration: none; background: none; border: none; cursor: pointer; font-family: var(--font-sans); padding: 0; }
.breadcrumb__link:hover { color: var(--color-action-primary); text-decoration: underline; }
.breadcrumb__sep { font-size: var(--typography-caption-size); color: var(--color-text-tertiary); padding: 0 var(--space-inline-sm); }
.breadcrumb__current { font-size: var(--typography-caption-size); font-weight: var(--fw-medium); color: var(--color-text-primary); }

/* ---------------- Button ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-inline-sm);
  padding: var(--space-inset-md) var(--space-inset-lg); border-radius: var(--radius-component);
  font-size: var(--typography-label-size); font-weight: var(--typography-label-weight);
  min-height: 40px; min-width: 80px; border: none; cursor: pointer; font-family: var(--font-sans);
  transition: background-color var(--motion-enter-duration) var(--motion-enter-easing),
              border-color var(--motion-enter-duration) var(--motion-enter-easing),
              transform var(--motion-enter-duration) var(--motion-enter-easing);
}
.btn iconify-icon { font-size: 16px; }
.btn--primary { background: var(--color-action-primary); color: var(--color-text-on-action); }
.btn--primary:hover { background: var(--color-action-primary-hover); }
.btn--primary:active { background: var(--color-action-primary-active); transform: scale(0.98); }
.btn--secondary { background: transparent; color: var(--color-action-secondary); border: 1.5px solid var(--color-border-action); }
.btn--secondary:hover { background: var(--color-surface-sunken); }
.btn--secondary:active { transform: scale(0.98); }
.btn--accent { background: var(--color-accent-default); color: var(--color-text-on-accent); }
.btn--accent:hover { filter: brightness(1.08); }
.btn--danger { background: var(--color-feedback-danger); color: var(--color-feedback-on-danger); }
.btn--ghost { background: transparent; color: var(--color-text-secondary); min-width: 0; }
.btn--ghost:hover { background: var(--color-surface-sunken); color: var(--color-text-primary); }
.btn:disabled { background: var(--color-action-primary-disabled); color: var(--color-text-tertiary); cursor: not-allowed; border: none; }
.btn--secondary:disabled { background: transparent; border: 1.5px solid var(--color-border-subtle); }
.btn--sm { min-height: 32px; padding: var(--space-inset-sm) var(--space-inset-md); min-width: 0; }
.btn--block { width: 100%; }
.btn__spinner { width: 16px; height: 16px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------------- Card ---------------- */
.card {
  background: var(--color-surface-raised); border: 0.5px solid var(--color-border-default);
  border-radius: var(--radius-card); padding: var(--space-inset-lg);
  display: flex; flex-direction: column; gap: var(--space-stack-md);
}
.card--interactive { cursor: pointer; transition: border-color var(--motion-enter-duration) var(--motion-enter-easing), background var(--motion-enter-duration) var(--motion-enter-easing), transform var(--motion-enter-duration) var(--motion-enter-easing); }
.card--interactive:hover { border-color: var(--color-border-strong); }
.card--interactive:active { background: var(--color-surface-sunken); transform: scale(0.99); }
.card--interactive:focus-visible { outline: none; border: 2px solid var(--color-border-action); box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-border-action) 25%, transparent); }
.card--compact { padding: var(--space-inset-md); gap: var(--space-stack-sm); }
.card--accent { border-left: 3px solid var(--color-accent-default); border-radius: 0 var(--radius-card) var(--radius-card) 0; }
.card__header { display: flex; align-items: flex-start; gap: var(--space-inline-md); }
.card__icon { font-size: 24px; color: var(--color-action-primary); flex-shrink: 0; margin-top: 2px; }
.card__icon--accent { color: var(--color-accent-default); }
.card__heading { flex: 1; min-width: 0; }
.card__title { font-size: var(--typography-heading-sm-size); font-weight: var(--typography-heading-sm-weight); color: var(--color-text-primary); margin: 0; }
.card__subtitle { font-size: var(--typography-body-md-size); color: var(--color-text-secondary); margin: var(--space-stack-sm) 0 0; line-height: 1.5; }
.card__meta { flex-shrink: 0; display: flex; align-items: center; gap: var(--space-inline-sm); }
.card__count { font-size: var(--typography-caption-size); color: var(--color-text-tertiary); white-space: nowrap; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-stack-md); }
.card-grid--compact { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: var(--space-stack-md); }

/* quick action card */
.quick-action { flex-direction: row; align-items: center; gap: var(--space-inline-md); }
.quick-action iconify-icon { font-size: 22px; color: var(--color-action-primary); flex-shrink: 0; }
.quick-action span { font-size: var(--typography-label-size); font-weight: var(--fw-medium); }

/* ---------------- Hero (How can we help) ---------------- */
.hero-wrap { position: relative; }
.hero-scene {
  position: absolute; z-index: 0; pointer-events: none; overflow: hidden;
  top: calc(var(--space-inset-lg) * -1);
  left: calc(var(--space-inset-lg) * -1);
  right: calc(var(--space-inset-lg) * -1);
  height: calc(100% + var(--space-inset-lg)); border-radius: 0;
}
.hero-scene svg { width: 100%; height: 100%; display: block; }
[data-theme="dark"] .hero-scene { opacity: 0.38; }

@keyframes sun-breathe { 0%, 100% { opacity: 0.55; } 50% { opacity: 0.9; } }
.hero-scene .sun-glow { transform-box: fill-box; transform-origin: center; animation: sun-breathe 9s ease-in-out infinite; }

/* Drifting clouds */
@keyframes cloud-drift-a { from { transform: translateX(-80px); } to { transform: translateX(120px); } }
@keyframes cloud-drift-b { from { transform: translateX(140px); } to { transform: translateX(-100px); } }
.hero-scene .cloud--a { animation: cloud-drift-a 46s ease-in-out infinite alternate; }
.hero-scene .cloud--b { animation: cloud-drift-b 60s ease-in-out infinite alternate; }

/* Slow lo-fi clock */
@keyframes clock-spin { to { transform: rotate(360deg); } }
.hero-scene .clock-hand { transform-box: view-box; transform-origin: 85px 250px; }
.hero-scene .clock-hand--min { animation: clock-spin 24s linear infinite; }
.hero-scene .clock-hand--hr  { animation: clock-spin 288s linear infinite; }

/* Cyclists crossing the plaza, back and forth */
@keyframes ride-right { from { transform: translateX(-180px); } to { transform: translateX(1380px); } }
@keyframes ride-left  { from { transform: translateX(1380px); } to { transform: translateX(-180px); } }
.hero-scene .cyclist { will-change: transform; }
.hero-scene .cyclist--r { animation: ride-right var(--dur, 18s) linear infinite; animation-delay: var(--delay, 0s); }
.hero-scene .cyclist--l { animation: ride-left  var(--dur, 18s) linear infinite; animation-delay: var(--delay, 0s); }
@keyframes wheel-spin { to { transform: rotate(360deg); } }
.hero-scene .cyc-wheel { transform-box: fill-box; transform-origin: center; animation: wheel-spin 1.1s linear infinite; }

@media (prefers-reduced-motion: reduce) {
  .hero-scene .sun-glow, .hero-scene .cloud--a, .hero-scene .cloud--b,
  .hero-scene .clock-hand, .hero-scene .cyclist, .hero-scene .cyc-wheel { animation: none; }
}

.hero {
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  gap: var(--space-stack-md); padding: var(--space-12) 0 var(--space-8); position: relative; z-index: 1; min-height: 348px;
  transition: min-height var(--motion-emphasis-duration) var(--motion-enter-easing);
}
/* AI open: the hero illustration collapses to roughly half height */
.shell--ai-open .hero { min-height: 174px; padding-top: var(--space-6); padding-bottom: var(--space-6); }
.hero__title { font-size: var(--typography-display-size); font-weight: var(--typography-display-weight); line-height: var(--lh-tight); margin: 0; }
.hero__sub { font-size: var(--typography-body-lg-size); color: var(--color-text-secondary); margin: 0; }
.hero__search { width: 100%; max-width: 600px; position: relative; display: flex; align-items: center; margin-top: var(--space-stack-sm); }
.hero__search iconify-icon { position: absolute; left: var(--space-inset-lg); color: var(--color-text-tertiary); font-size: 20px; pointer-events: none; }
.hero__search input {
  width: 100%; height: 56px; font-family: var(--font-sans);
  padding: 0 var(--space-inset-lg) 0 calc(var(--space-inset-lg) * 2 + 20px);
  background: var(--color-surface-raised); border: 1px solid var(--color-border-default);
  border-radius: var(--radius-pill); font-size: var(--typography-body-lg-size); color: var(--color-text-primary);
  transition: border-color var(--motion-enter-duration) var(--motion-enter-easing), box-shadow var(--motion-enter-duration) var(--motion-enter-easing);
}
.hero__search input::placeholder { color: var(--color-text-tertiary); }
/* Hero "Ask AI" launcher — mauve accent (AI moments only) */
.hero__ask-btn {
  display: inline-flex; align-items: center; gap: var(--space-inline-sm); margin-top: var(--space-stack-sm);
  padding: var(--space-inset-md) var(--space-6);
  background: var(--color-accent-default); color: var(--color-text-on-accent);
  border: none; border-radius: var(--radius-pill); cursor: pointer;
  font-family: var(--font-sans); font-size: var(--typography-body-md-size); font-weight: var(--fw-bold);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-accent-default) 35%, transparent);
  transition: filter var(--motion-enter-duration) var(--motion-enter-easing),
              transform var(--motion-enter-duration) var(--motion-enter-easing),
              box-shadow var(--motion-normal-duration, 200ms) var(--motion-enter-easing);
}
.hero__ask-btn iconify-icon { font-size: 18px; }
.hero__ask-btn:hover { filter: brightness(1.07); box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-accent-default) 20%, transparent); }
.hero__ask-btn:active { transform: scale(0.97); }
.hero__ask-btn:focus-visible { outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent-default) 45%, transparent); }

/* When the AI experience is open, the whole hero greeting steps aside */
.shell--ai-open .hero__title,
.shell--ai-open .hero__sub,
.shell--ai-open .hero__ask-btn {
  opacity: 0; max-height: 0; margin: 0; overflow: hidden; pointer-events: none;
  transition: opacity var(--motion-exit-duration) var(--motion-exit-easing),
              max-height var(--motion-emphasis-duration) var(--motion-enter-easing);
}
.hero__search input:focus {
  outline: none; border-color: var(--color-border-action); border-width: 2px;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-border-action) 25%, transparent);
  padding-left: calc(var(--space-inset-lg) * 2 + 19px);
}

/* ---------------- Task pills ---------------- */
.task-pills { display: flex; flex-wrap: wrap; gap: var(--space-inline-sm); }
.task-pills--center { justify-content: center; }
.task-pill {
  display: inline-flex; align-items: center; gap: var(--space-inline-sm);
  padding: var(--space-inset-sm) var(--space-inset-md); border-radius: var(--radius-pill);
  background: var(--color-surface-raised); border: 1px solid var(--color-border-default);
  font-family: var(--font-sans); font-size: var(--typography-label-size); font-weight: var(--fw-medium);
  color: var(--color-text-primary); cursor: pointer;
  transition: border-color var(--motion-enter-duration) var(--motion-enter-easing),
              background var(--motion-enter-duration) var(--motion-enter-easing),
              transform var(--motion-enter-duration) var(--motion-enter-easing);
}
.task-pill iconify-icon { font-size: 17px; color: var(--color-action-primary); }
.task-pill:hover { border-color: var(--color-border-strong); background: var(--color-surface-sunken); }
.task-pill:active { transform: scale(0.98); }
.task-pill:focus-visible { outline: none; border-color: var(--color-border-action); box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-border-action) 25%, transparent); }


/* ---------------- Status badge ---------------- */
.status-badge {
  display: inline-flex; align-items: center; gap: var(--space-inline-sm);
  padding: var(--space-inset-sm) calc(var(--space-inset-sm) * 1.5);
  border-radius: var(--radius-pill); font-size: var(--typography-caption-size);
  font-weight: var(--typography-caption-weight); white-space: nowrap;
}
.status-badge__dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex-shrink: 0; }
.sb--submitted   { background: var(--color-feedback-info-subtle);    color: var(--color-feedback-info); }
.sb--in-progress { background: var(--color-feedback-warning-subtle); color: var(--color-feedback-warning); }
.sb--awaiting    { background: var(--color-feedback-danger-subtle);  color: var(--color-feedback-danger); }
.sb--resolved    { background: var(--color-feedback-success-subtle); color: var(--color-feedback-success); }
.sb--closed      { background: var(--color-surface-sunken);          color: var(--color-text-secondary); }

/* ---------------- Form field ---------------- */
.field { display: flex; flex-direction: column; gap: var(--space-stack-sm); }
.field__label { font-size: var(--typography-label-size); font-weight: var(--typography-label-weight); color: var(--color-text-primary); }
.field__optional { color: var(--color-text-tertiary); font-weight: var(--fw-regular); }
.field__required { color: var(--color-feedback-danger); margin-left: 2px; }
.field__input, .field__select, .field__textarea {
  height: 48px; padding: 0 var(--space-inset-md); width: 100%; font-family: var(--font-sans);
  background: var(--color-surface-raised); border: 1px solid var(--color-border-default);
  border-radius: var(--radius-component); font-size: var(--typography-body-md-size);
  color: var(--color-text-primary);
  transition: border-color var(--motion-enter-duration) var(--motion-enter-easing), background var(--motion-enter-duration) var(--motion-enter-easing);
}
.field__input::placeholder, .field__textarea::placeholder { color: var(--color-text-tertiary); }
.field__input:hover, .field__select:hover, .field__textarea:hover { border-color: var(--color-border-strong); }
.field__input:focus, .field__select:focus, .field__textarea:focus {
  outline: none; border-color: var(--color-border-action); border-width: 2px;
  background: var(--color-surface-raised);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-border-action) 25%, transparent);
}
.field__textarea { height: auto; min-height: 96px; padding: var(--space-inset-md); resize: vertical; line-height: 1.6; }
.field__select { appearance: none; cursor: pointer; padding-right: calc(var(--space-inset-md) * 2 + 16px); }
.field__select-wrap { position: relative; }
.field__select-wrap > iconify-icon { position: absolute; right: var(--space-inset-md); top: 50%; transform: translateY(-50%); color: var(--color-text-tertiary); pointer-events: none; font-size: 16px; }
.field__input--error, .field__textarea--error { border-color: var(--color-feedback-danger); background: var(--color-feedback-danger-subtle); }
.field__helper { font-size: var(--typography-caption-size); color: var(--color-text-secondary); }
.field__error { font-size: var(--typography-caption-size); color: var(--color-feedback-danger); display: flex; align-items: center; gap: 4px; }

/* segmented */
.segmented { display: inline-flex; background: var(--color-surface-sunken); border-radius: var(--radius-component); padding: 3px; gap: 2px; }
.segmented__option {
  padding: var(--space-inset-sm) var(--space-inset-md); border-radius: calc(var(--radius-component) - 2px);
  font-size: var(--typography-label-size); font-weight: var(--typography-label-weight);
  color: var(--color-text-secondary); cursor: pointer; border: none; background: transparent; font-family: var(--font-sans);
  transition: background var(--motion-enter-duration) var(--motion-enter-easing), color var(--motion-enter-duration) var(--motion-enter-easing);
}
.segmented__option--selected { background: var(--color-action-primary); color: var(--color-text-on-action); }
.segmented__option:hover:not(.segmented__option--selected) { background: var(--color-surface-raised); color: var(--color-text-primary); }

/* filter chip */
.filter-chip { display: inline-flex; align-items: center; gap: var(--space-inline-sm); padding: var(--space-inset-sm) calc(var(--space-inset-sm) * 1.5); background: var(--color-feedback-info-subtle); color: var(--color-feedback-info); border-radius: var(--radius-pill); font-size: var(--typography-caption-size); font-weight: var(--fw-medium); }
.filter-chip__remove { background: none; border: none; cursor: pointer; color: inherit; padding: 0; font-size: 14px; line-height: 1; opacity: .7; }
.filter-chip__remove:hover { opacity: 1; }

/* ---------------- Filter bar ---------------- */
.filter-bar { display: flex; flex-direction: column; gap: var(--space-stack-md); margin-bottom: var(--space-stack-md); }
.filter-bar__row { display: flex; align-items: center; gap: var(--space-inline-md); flex-wrap: wrap; }
.filter-bar__search { flex: 1; min-width: 200px; position: relative; display: flex; align-items: center; }
.filter-bar__search iconify-icon { position: absolute; left: var(--space-inset-md); color: var(--color-text-tertiary); font-size: 16px; pointer-events: none; }
.filter-bar__search input { width: 100%; height: 40px; font-family: var(--font-sans); padding: 0 var(--space-inset-md) 0 calc(var(--space-inset-md) * 2 + 16px); background: var(--color-surface-sunken); border: 1px solid var(--color-border-default); border-radius: var(--radius-component); font-size: var(--typography-label-size); color: var(--color-text-primary); }
.filter-bar__search input:focus { outline: none; border-color: var(--color-border-action); border-width: 2px; }
.filter-select { height: 40px; }
.filter-select--active { border-color: var(--color-border-action); color: var(--color-action-primary); }
.filter-bar__clear { font-size: var(--typography-caption-size); color: var(--color-text-secondary); background: none; border: none; cursor: pointer; padding: 0 var(--space-inset-sm); white-space: nowrap; text-decoration: underline; font-family: var(--font-sans); }
.filter-bar__clear:hover { color: var(--color-text-primary); }
.filter-bar__chips { display: flex; gap: var(--space-inline-sm); flex-wrap: wrap; align-items: center; }

/* ---------------- Request list rows ---------------- */
.req-row { display: grid; grid-template-columns: 84px 1fr auto auto; gap: var(--space-inline-md); align-items: center; }
.req-row__id { font-family: var(--font-mono); font-size: var(--typography-caption-size); color: var(--color-text-secondary); }
.req-row__title { font-size: var(--typography-label-size); font-weight: var(--fw-medium); color: var(--color-text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.req-row__sub { font-size: var(--typography-caption-size); color: var(--color-text-tertiary); margin-top: 2px; }
.req-row__updated { font-size: var(--typography-caption-size); color: var(--color-text-tertiary); white-space: nowrap; }

/* ---------------- Step indicator ---------------- */
.steps { display: flex; align-items: flex-start; width: 100%; }
.steps__step { display: flex; flex-direction: column; align-items: center; gap: var(--space-stack-sm); flex-shrink: 0; }
.steps__connector { flex: 1; height: 1px; background: var(--color-border-default); margin-top: 14px; transition: background var(--motion-enter-duration) var(--motion-enter-easing); }
.steps__connector--filled { background: var(--color-action-primary); }
.steps__node { width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: var(--typography-caption-size); font-weight: var(--fw-medium); transition: background var(--motion-enter-duration) var(--motion-enter-easing); }
.steps__step--upcoming .steps__node { background: var(--color-surface-sunken); border: 1px solid var(--color-border-default); color: var(--color-text-tertiary); }
.steps__step--active .steps__node { background: var(--color-action-primary); color: var(--color-text-on-action); }
.steps__step--complete .steps__node { background: var(--color-feedback-success); color: #fff; }
.steps__step--error .steps__node { background: var(--color-feedback-danger); color: #fff; }
.steps__label { font-size: var(--typography-caption-size); color: var(--color-text-tertiary); white-space: nowrap; }
.steps__step--active .steps__label { font-weight: var(--fw-medium); color: var(--color-text-primary); }
.steps__step--complete .steps__label { color: var(--color-text-secondary); }

/* ---------------- Timeline ---------------- */
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline__event { display: grid; grid-template-columns: 28px 1fr; grid-template-rows: auto 1fr; gap: 0 var(--space-inline-md); }
.timeline__node { grid-column: 1; grid-row: 1; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 14px; z-index: 1; margin-top: 2px; }
.timeline__connector { grid-column: 1; grid-row: 2; width: 1px; background: var(--color-border-subtle); margin: 4px auto 0; min-height: var(--space-stack-md); align-self: stretch; }
.timeline__content { grid-column: 2; grid-row: 1 / 3; padding-bottom: var(--space-stack-md); display: flex; flex-direction: column; gap: var(--space-stack-sm); }
.timeline__header { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-inline-md); }
.timeline__title { font-size: var(--typography-label-size); font-weight: var(--typography-label-weight); color: var(--color-text-primary); }
.timeline__time { font-size: var(--typography-caption-size); color: var(--color-text-tertiary); flex-shrink: 0; }
.timeline__meta { font-size: var(--typography-caption-size); color: var(--color-text-secondary); margin: 0; }
.timeline__comment { background: var(--color-surface-sunken); border-radius: var(--radius-component); padding: var(--space-inset-md); font-size: var(--typography-body-md-size); color: var(--color-text-secondary); margin: 0; line-height: 1.6; }
.timeline__action { margin-top: var(--space-stack-sm); }
.node--info { background: var(--color-feedback-info-subtle); color: var(--color-feedback-info); }
.node--success { background: var(--color-feedback-success-subtle); color: var(--color-feedback-success); }
.node--warning { background: var(--color-feedback-warning-subtle); color: var(--color-feedback-warning); }
.node--danger { background: var(--color-feedback-danger-subtle); color: var(--color-feedback-danger); }
.node--accent { background: var(--color-accent-subtle); color: var(--color-accent-default); }
.node--neutral { background: var(--color-surface-sunken); color: var(--color-text-secondary); }

/* ---------------- Empty state / skeleton ---------------- */
.empty-state { display: flex; flex-direction: column; align-items: center; text-align: center; padding: var(--space-inset-lg); gap: var(--space-stack-md); min-height: 240px; justify-content: center; }
.empty-state__icon { font-size: 48px; }
.empty-state__heading { font-size: var(--typography-heading-sm-size); font-weight: var(--typography-heading-sm-weight); color: var(--color-text-primary); margin: 0; max-width: 360px; }
.empty-state__message { font-size: var(--typography-body-md-size); color: var(--color-text-secondary); margin: 0; max-width: 360px; line-height: 1.6; }
.empty-state__actions { display: flex; gap: var(--space-inline-md); flex-wrap: wrap; justify-content: center; margin-top: var(--space-stack-sm); }
.empty-state code { font-family: var(--font-mono); font-size: var(--typography-code-size); background: var(--color-surface-sunken); padding: 2px 6px; border-radius: var(--radius-sm); }
.skeleton { background: var(--color-surface-sunken); border-radius: var(--radius-component); animation: skeleton-pulse 1.5s ease-in-out infinite; }
@keyframes skeleton-pulse { 0%,100% { opacity: 1; } 50% { opacity: .5; } }
@media (prefers-reduced-motion: reduce) { .skeleton { animation: none; } }

/* ---------------- Toast ---------------- */
.toast-stack { position: fixed; bottom: 24px; right: 24px; display: flex; flex-direction: column-reverse; gap: 8px; z-index: 500; }
.toast { display: flex; align-items: flex-start; gap: var(--space-inline-md); width: 320px; padding: var(--space-inset-md); background: var(--color-surface-raised); border: 0.5px solid var(--color-border-default); border-left-width: 3px; border-radius: 0 var(--radius-card) var(--radius-card) 0; animation: toast-in var(--motion-enter-duration) var(--motion-enter-easing); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { .toast { animation: none; } }
.toast--success { border-left-color: var(--color-feedback-success); }
.toast--warning { border-left-color: var(--color-feedback-warning); }
.toast--danger { border-left-color: var(--color-feedback-danger); }
.toast--info { border-left-color: var(--color-feedback-info); }
.toast__icon { font-size: 16px; flex-shrink: 0; margin-top: 2px; }
.toast__body { flex: 1; display: flex; flex-direction: column; gap: var(--space-stack-sm); }
.toast__title { font-size: var(--typography-label-size); font-weight: var(--typography-label-weight); color: var(--color-text-primary); margin: 0; }
.toast__message { font-size: var(--typography-caption-size); color: var(--color-text-secondary); margin: 0; line-height: 1.5; }
.toast__dismiss { background: none; border: none; cursor: pointer; color: var(--color-text-tertiary); padding: 0; font-size: 16px; flex-shrink: 0; }
.toast__dismiss:hover { color: var(--color-text-primary); }

/* ---------------- Detail layout ---------------- */
.detail-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: var(--space-stack-lg); align-items: start; }
.detail-head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-inline-md); flex-wrap: wrap; margin-bottom: var(--space-stack-md); }
.meta-row { display: flex; justify-content: space-between; gap: var(--space-inline-md); padding: var(--space-stack-sm) 0; border-bottom: 0.5px solid var(--color-border-subtle); }
.meta-row:last-child { border-bottom: none; }
.meta-row__k { font-size: var(--typography-caption-size); color: var(--color-text-tertiary); }
.meta-row__v { font-size: var(--typography-body-md-size); color: var(--color-text-primary); font-weight: var(--fw-medium); text-align: right; }
.divider { height: 0.5px; background: var(--color-border-subtle); border: none; margin: 0; }

/* theme toggle */
.theme-toggle { display: inline-flex; background: var(--color-surface-sunken); border-radius: var(--radius-component); padding: 3px; gap: 2px; }
.theme-toggle button { width: 30px; height: 30px; border: none; background: transparent; border-radius: calc(var(--radius-component) - 2px); cursor: pointer; color: var(--color-text-tertiary); display: flex; align-items: center; justify-content: center; font-size: 16px; }
.theme-toggle button.active { background: var(--color-surface-raised); color: var(--color-text-primary); }

/* responsive */
@media (max-width: 1100px) { .detail-grid { grid-template-columns: 1fr; } }
@media (max-width: 900px) {
  .shell__sidebar { width: 56px; padding: var(--space-inset-sm); }
  .nav-item span { display: none; }
  .nav-item { justify-content: center; }
  .nav-section-label { display: none; }
  .shell__logo span { display: none; }
}
@media (max-width: 640px) {
  .req-row { grid-template-columns: 1fr auto; }
  .req-row__id, .req-row__updated { display: none; }
}

/* ---------------- Sidebar transition (manual collapse, revertable) ---------------- */
.shell__sidebar {
  transition: width var(--motion-emphasis-duration, 350ms) var(--motion-enter-easing),
              padding var(--motion-emphasis-duration, 350ms) var(--motion-enter-easing);
  overflow: hidden;
}
.shell--nav-collapsed .shell__sidebar { width: 64px; padding: var(--space-inset-sm); }
.shell--nav-collapsed .nav-item { justify-content: center; padding-left: 0; padding-right: 0; }
.shell--nav-collapsed .nav-item span { display: none; }
.shell--nav-collapsed .nav-section-label { display: none; }

/* ============================================================
   Left-rail AI launcher — the one place mauve accent earns its keep.
   Sits at the TOP of the global nav, clearly highlighted.
   ============================================================ */
.nav-ai {
  position: relative; display: flex; align-items: center; gap: var(--space-inline-sm);
  width: 100%; min-height: 44px; padding: var(--space-inset-sm) var(--space-inset-md);
  background: var(--color-accent-default); color: var(--color-text-on-accent);
  border: none; border-radius: var(--radius-component); cursor: pointer; font-family: var(--font-sans);
  font-size: var(--typography-label-size); font-weight: var(--fw-bold); white-space: nowrap; overflow: hidden;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-accent-default) 35%, transparent);
  transition: filter var(--motion-enter-duration) var(--motion-enter-easing),
              transform var(--motion-enter-duration) var(--motion-enter-easing),
              box-shadow var(--motion-normal-duration, 200ms) var(--motion-enter-easing);
}
.nav-ai__icon { display: flex; font-size: 19px; flex-shrink: 0; }
.nav-ai__label { flex: 1; text-align: left; }
/* soft shimmer to draw the eye on hover without constant motion noise */
.nav-ai__spark {
  position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: linear-gradient(120deg, transparent 30%, color-mix(in srgb, #fff 22%, transparent) 50%, transparent 70%);
  background-size: 220% 100%; background-position: 130% 0;
}
.nav-ai:hover { filter: brightness(1.07); box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-accent-default) 20%, transparent); }
.nav-ai:hover .nav-ai__spark { animation: nav-ai-shimmer 0.9s var(--motion-enter-easing); }
@keyframes nav-ai-shimmer { from { background-position: 130% 0; } to { background-position: -130% 0; } }
.nav-ai:active { transform: scale(0.98); }
.nav-ai--active { box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent-default) 32%, transparent); }
.nav-ai:focus-visible { outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent-default) 45%, transparent); }

.nav-divider { height: 0.5px; background: var(--color-border-subtle); margin: var(--space-stack-sm) var(--space-inset-sm); flex-shrink: 0; }

/* Rail collapse / expand control — keeps the revert affordance inside the nav */
.nav-collapse {
  display: flex; align-items: center; gap: var(--space-inline-sm); width: 100%; min-height: 38px;
  padding: var(--space-inset-sm) var(--space-inset-md); margin-top: var(--space-stack-sm);
  background: transparent; border: none; border-radius: var(--radius-component); cursor: pointer;
  color: var(--color-text-tertiary); font-family: var(--font-sans);
  font-size: var(--typography-caption-size); font-weight: var(--fw-medium);
  transition: background var(--motion-enter-duration) var(--motion-enter-easing), color var(--motion-enter-duration) var(--motion-enter-easing);
}
.nav-collapse iconify-icon { font-size: 18px; flex-shrink: 0; }
.nav-collapse:hover { background: var(--color-surface-sunken); color: var(--color-text-secondary); }
.nav-collapse:active { transform: scale(0.98); }

/* Collapsed rail — labels hide, everything centers; chevron flips to expand */
.shell--nav-collapsed .nav-ai { justify-content: center; padding-left: 0; padding-right: 0; }
.shell--nav-collapsed .nav-ai__label { display: none; }
.shell--nav-collapsed .nav-divider { margin-left: 0; margin-right: 0; }
.shell--nav-collapsed .nav-collapse { justify-content: center; padding-left: 0; padding-right: 0; }
.shell--nav-collapsed .nav-collapse span { display: none; }

/* ============================================================
   Assistant panel — docked drawer beside the global nav
   ============================================================ */
.ai-panel {
  flex: 0 0 auto; width: 0; overflow: hidden; height: 100%;
  transition: width var(--motion-emphasis-duration, 350ms) var(--motion-enter-easing);
}
.ai-panel--open { width: 360px; }
/* Parent-state fallback so the open width always wins regardless of cascade order */
.shell--ai-open .ai-panel { width: 360px; }
.ai-panel__inner {
  width: 360px; height: 100%; display: flex; flex-direction: column;
  background: var(--color-surface-raised);
  border-right: 0.5px solid var(--color-border-subtle);
  opacity: 0; transform: translateX(-10px);
  transition: opacity var(--motion-normal-duration, 200ms) var(--motion-enter-easing),
              transform var(--motion-emphasis-duration, 350ms) var(--motion-enter-easing);
}
.ai-panel--open .ai-panel__inner { opacity: 1; transform: translateX(0); }
.shell--ai-open .ai-panel__inner { opacity: 1; transform: translateX(0); }

.ai-panel__head {
  flex-shrink: 0; height: 64px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--space-inset-md) 0 var(--space-inset-lg);
  border-bottom: 0.5px solid var(--color-border-subtle);
}
.ai-panel__id { display: flex; align-items: center; gap: var(--space-inline-md); }
.ai-panel__avatar {
  width: 32px; height: 32px; flex-shrink: 0; border-radius: var(--radius-pill);
  background: var(--color-accent-subtle); color: var(--color-accent-default);
  display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.ai-panel__name { margin: 0; font-size: var(--typography-label-size); font-weight: var(--fw-bold); color: var(--color-text-primary); }
.ai-panel__status { margin: 0; font-size: var(--typography-caption-size); color: var(--color-text-tertiary); display: flex; align-items: center; gap: 5px; }
.ai-panel__pulse { width: 6px; height: 6px; border-radius: 50%; background: var(--color-feedback-success); }
.ai-panel__close {
  width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
  background: none; border: none; border-radius: var(--radius-component); cursor: pointer;
  color: var(--color-text-tertiary); font-size: 18px;
  transition: background var(--motion-enter-duration) var(--motion-enter-easing), color var(--motion-enter-duration) var(--motion-enter-easing);
}
.ai-panel__close:hover { background: var(--color-surface-sunken); color: var(--color-text-primary); }

.ai-panel__thread {
  flex: 1; min-height: 0; overflow-y: auto;
  padding: var(--space-inset-lg);
  display: flex; flex-direction: column; gap: var(--space-stack-md);
}

.ai-msg { display: flex; gap: var(--space-inline-sm); max-width: 100%; animation: ai-msg-in var(--motion-normal-duration, 200ms) var(--motion-enter-easing); }
@keyframes ai-msg-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
.ai-msg--user { justify-content: flex-end; }
.ai-msg__avatar {
  width: 26px; height: 26px; flex-shrink: 0; margin-top: 2px; border-radius: var(--radius-pill);
  background: var(--color-accent-subtle); color: var(--color-accent-default);
  display: flex; align-items: center; justify-content: center; font-size: 15px;
}
.ai-msg__bubble {
  max-width: 78%; padding: var(--space-inset-md);
  border-radius: var(--radius-card); display: flex; flex-direction: column; gap: var(--space-stack-sm);
}
.ai-msg--assistant .ai-msg__bubble {
  background: var(--color-surface-base); border: 0.5px solid var(--color-border-default);
  border-top-left-radius: var(--radius-sm);
}
.ai-msg--user .ai-msg__bubble {
  background: var(--color-surface-sunken); color: var(--color-text-primary);
  border-top-right-radius: var(--radius-sm);
}
.ai-msg__text { margin: 0; font-size: var(--typography-body-md-size); line-height: 1.55; color: var(--color-text-primary); white-space: pre-wrap; }
.ai-msg--user .ai-msg__text { color: var(--color-text-secondary); }
.ai-msg__caret { display: inline-block; width: 2px; height: 1em; margin-left: 1px; vertical-align: -2px; background: var(--color-accent-default); animation: ai-caret 0.9s steps(2) infinite; }
@keyframes ai-caret { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }

.ai-msg__action {
  align-self: flex-start; display: inline-flex; align-items: center; gap: 6px;
  margin-top: 2px; padding: var(--space-inset-sm) var(--space-inset-md);
  background: var(--color-accent-subtle); color: var(--color-accent-default);
  border: 0.5px solid color-mix(in srgb, var(--color-accent-default) 35%, transparent);
  border-radius: var(--radius-pill); cursor: pointer; font-family: var(--font-sans);
  font-size: var(--typography-caption-size); font-weight: var(--fw-medium);
  transition: filter var(--motion-enter-duration) var(--motion-enter-easing), transform var(--motion-enter-duration) var(--motion-enter-easing);
}
.ai-msg__action iconify-icon { font-size: 15px; }
.ai-msg__action:hover { filter: brightness(0.97); }
.ai-msg__action:active { transform: scale(0.98); }

.ai-msg__bubble--typing { flex-direction: row; gap: 5px; padding: 14px var(--space-inset-md); }
.ai-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent-default); opacity: 0.4; animation: ai-dot 1.1s ease-in-out infinite; }
.ai-dot:nth-child(2) { animation-delay: 0.18s; }
.ai-dot:nth-child(3) { animation-delay: 0.36s; }
@keyframes ai-dot { 0%, 60%, 100% { opacity: 0.35; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }

.ai-panel__suggestions { flex-shrink: 0; display: flex; flex-wrap: wrap; gap: var(--space-inline-sm); padding: 0 var(--space-inset-lg) var(--space-inset-md); }
.ai-suggestion {
  padding: var(--space-inset-sm) var(--space-inset-md);
  background: var(--color-surface-base); border: 1px solid var(--color-border-default);
  border-radius: var(--radius-pill); cursor: pointer; font-family: var(--font-sans);
  font-size: var(--typography-caption-size); font-weight: var(--fw-medium); color: var(--color-text-secondary);
  transition: border-color var(--motion-enter-duration) var(--motion-enter-easing), background var(--motion-enter-duration) var(--motion-enter-easing), color var(--motion-enter-duration) var(--motion-enter-easing);
}
.ai-suggestion:hover { border-color: color-mix(in srgb, var(--color-accent-default) 45%, transparent); color: var(--color-accent-default); background: var(--color-accent-subtle); }

.ai-panel__composer {
  flex-shrink: 0; margin: 0 var(--space-inset-lg); padding: var(--space-inset-sm);
  display: flex; align-items: flex-end; gap: var(--space-inline-sm);
  background: var(--color-surface-sunken); border: 1px solid var(--color-border-default);
  border-radius: var(--radius-card);
  transition: border-color var(--motion-enter-duration) var(--motion-enter-easing);
}
.ai-panel__composer:focus-within { border-color: var(--color-border-action); }
.ai-panel__input {
  flex: 1; border: none; background: transparent; resize: none; font-family: var(--font-sans);
  font-size: var(--typography-body-md-size); color: var(--color-text-primary); line-height: 1.5;
  padding: var(--space-inset-sm); max-height: 120px;
}
.ai-panel__input:focus { outline: none; }
.ai-panel__input::placeholder { color: var(--color-text-tertiary); }
.ai-panel__send {
  width: 34px; height: 34px; flex-shrink: 0; border: none; border-radius: var(--radius-pill); cursor: pointer;
  background: var(--color-accent-default); color: var(--color-text-on-accent);
  display: flex; align-items: center; justify-content: center; font-size: 17px;
  transition: filter var(--motion-enter-duration) var(--motion-enter-easing), transform var(--motion-enter-duration) var(--motion-enter-easing);
}
.ai-panel__send:hover:not(:disabled) { filter: brightness(1.07); }
.ai-panel__send:active:not(:disabled) { transform: scale(0.94); }
.ai-panel__send:disabled { background: var(--color-action-primary-disabled); color: var(--color-text-tertiary); cursor: not-allowed; }
.ai-panel__hint { flex-shrink: 0; margin: 0; padding: var(--space-inset-sm) var(--space-inset-lg) var(--space-inset-md); text-align: center; font-size: 10px; color: var(--color-text-tertiary); }

@media (prefers-reduced-motion: reduce) {
  .ai-panel, .ai-panel__inner, .shell__sidebar { transition: none; }
  .ai-msg { animation: none; }
  .ai-dot, .ai-msg__caret, .ai-panel__pulse { animation: none; }
}
/* On narrow viewports the open panel takes the remaining width */
@media (max-width: 720px) {
  .ai-panel--open { width: calc(100vw - 64px); }
  .ai-panel__inner { width: 100%; }
}

/* Iconify inline-SVG icons behave like the original icon-font glyphs */
iconify-icon { display: inline-flex; align-items: center; justify-content: center; vertical-align: -0.125em; }

/* ============================================================
   Design System page (the in-product styleguide)
   ============================================================ */
.ds { max-width: var(--layout-page-max); margin: 0 auto; padding-bottom: var(--space-16); }

/* Hero */
.ds-hero { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-inline-lg); padding: var(--space-8) 0 var(--space-10); }
.ds-hero__eyebrow { display: inline-flex; align-items: center; gap: var(--space-inline-sm); font-size: var(--typography-caption-size); font-weight: var(--fw-bold); letter-spacing: .08em; text-transform: uppercase; color: var(--color-accent-default); }
.ds-hero__eyebrow iconify-icon { font-size: 15px; }
.ds-hero__title { font-size: var(--typography-display-size); font-weight: var(--typography-display-weight); line-height: var(--lh-tight); margin: var(--space-stack-sm) 0; }
.ds-hero__lead { font-size: var(--typography-body-lg-size); color: var(--color-text-secondary); line-height: var(--lh-relaxed); max-width: 56ch; margin: 0; }
.ds-hero__meta { display: flex; flex-wrap: wrap; gap: var(--space-inline-sm); margin-top: var(--space-stack-md); }
.ds-meta-pill { display: inline-flex; align-items: center; gap: 6px; padding: var(--space-inset-sm) var(--space-inset-md); background: var(--color-surface-sunken); border: 0.5px solid var(--color-border-subtle); border-radius: var(--radius-pill); font-size: var(--typography-caption-size); font-weight: var(--fw-medium); color: var(--color-text-secondary); }
.ds-meta-pill iconify-icon { font-size: 14px; color: var(--color-text-tertiary); }
.ds-hero__themetoggle { flex-shrink: 0; }

/* Sticky in-page section nav */
.ds-nav { position: sticky; top: 0; z-index: 20; display: flex; gap: 2px; flex-wrap: wrap; padding: var(--space-stack-sm) 0; margin-bottom: 0; background: color-mix(in srgb, var(--color-surface-base) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 0.5px solid var(--color-border-subtle); }
.ds-nav__link { padding: var(--space-inset-sm) var(--space-inset-md); border: none; background: transparent; border-radius: var(--radius-pill); cursor: pointer; font-family: var(--font-sans); font-size: var(--typography-label-size); font-weight: var(--fw-medium); color: var(--color-text-secondary); transition: background var(--motion-enter-duration) var(--motion-enter-easing), color var(--motion-enter-duration) var(--motion-enter-easing); }
.ds-nav__link:hover { background: var(--color-surface-sunken); color: var(--color-text-primary); }
.ds-nav__link--active { background: var(--color-action-primary); color: var(--color-text-on-action); }

/* Section frame */
.ds-section { padding: var(--space-10) 0; border-top: 0.5px solid var(--color-border-subtle); scroll-margin-top: 80px; }
.ds-section:first-of-type { border-top: none; padding-top: var(--space-6); }
.ds-section__head { display: flex; gap: var(--space-inline-md); margin-bottom: var(--space-stack-lg); }
.ds-section__num { font-family: var(--font-mono); font-size: var(--typography-caption-size); color: var(--color-text-tertiary); padding-top: 6px; }
.ds-section__title { font-size: var(--typography-heading-lg-size); font-weight: var(--typography-heading-lg-weight); margin: 0; }
.ds-section__desc { font-size: var(--typography-body-lg-size); color: var(--color-text-secondary); line-height: var(--lh-normal); margin: var(--space-stack-sm) 0 0; max-width: 64ch; }
.ds-sub { font-size: var(--typography-label-size); font-weight: var(--fw-bold); color: var(--color-text-primary); margin: var(--space-stack-lg) 0 var(--space-stack-md); }
.ds-sub:first-child { margin-top: 0; }
.ds-sub__hint { font-weight: var(--fw-regular); color: var(--color-text-tertiary); }
.ds-note { display: flex; align-items: center; gap: var(--space-inline-sm); margin: var(--space-stack-lg) 0 0; padding: var(--space-inset-md); background: var(--color-accent-subtle); border-radius: var(--radius-component); font-size: var(--typography-body-md-size); color: var(--color-text-secondary); }
.ds-note iconify-icon { color: var(--color-accent-default); flex-shrink: 0; font-size: 18px; }
.ds-plain { font-size: var(--typography-body-md-size); color: var(--color-text-secondary); line-height: var(--lh-normal); margin: 0 0 var(--space-stack-md); }

/* Principles */
.ds-principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-stack-md); }
.ds-principle { background: var(--color-surface-raised); border: 0.5px solid var(--color-border-default); border-radius: var(--radius-card); padding: var(--space-inset-lg); }
.ds-principle__icon { display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: var(--radius-component); background: var(--color-feedback-success-subtle); color: var(--color-action-primary); font-size: 22px; margin-bottom: var(--space-stack-md); }
.ds-principle__title { font-size: var(--typography-heading-sm-size); font-weight: var(--fw-medium); margin: 0 0 var(--space-stack-sm); }
.ds-principle__body { font-size: var(--typography-body-md-size); color: var(--color-text-secondary); line-height: var(--lh-normal); margin: 0; }

/* Color ramps */
.ds-ramps { display: flex; flex-direction: column; gap: var(--space-stack-md); }
.ds-ramp__label { display: flex; align-items: baseline; gap: var(--space-inline-sm); margin-bottom: var(--space-stack-sm); }
.ds-ramp__name { font-size: var(--typography-label-size); font-weight: var(--fw-bold); }
.ds-ramp__role { font-size: var(--typography-caption-size); color: var(--color-text-tertiary); }
.ds-ramp__row { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.ds-stop { height: 52px; border-radius: var(--radius-sm); display: flex; align-items: flex-end; padding: 5px; border: 0.5px solid color-mix(in srgb, var(--color-text-primary) 8%, transparent); }
.ds-stop__n { font-family: var(--font-mono); font-size: 10px; opacity: .85; }

/* Semantic tokens */
.ds-sem-groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-stack-md) var(--space-stack-lg); }
.ds-sem-group__name { display: block; font-size: var(--typography-caption-size); font-weight: var(--fw-bold); text-transform: uppercase; letter-spacing: .05em; color: var(--color-text-tertiary); margin-bottom: var(--space-stack-sm); }
.ds-sem-row { display: flex; flex-wrap: wrap; gap: var(--space-inline-md); }
.ds-sem { display: flex; align-items: center; gap: var(--space-inline-sm); }
.ds-sem__chip { width: 26px; height: 26px; border-radius: var(--radius-sm); border: 0.5px solid var(--color-border-default); flex-shrink: 0; }
.ds-sem__label { font-size: var(--typography-caption-size); color: var(--color-text-secondary); }

/* Type */
.ds-type { display: flex; flex-direction: column; }
.ds-type-row { display: grid; grid-template-columns: 200px 1fr; gap: var(--space-inline-lg); align-items: center; padding: var(--space-stack-md) 0; border-bottom: 0.5px solid var(--color-border-subtle); }
.ds-type-row:last-child { border-bottom: none; }
.ds-type-meta { display: flex; flex-direction: column; gap: 2px; }
.ds-type-name { font-size: var(--typography-label-size); font-weight: var(--fw-medium); }
.ds-type-spec { font-family: var(--font-mono); font-size: var(--typography-caption-size); color: var(--color-text-tertiary); }
.ds-type-use { font-size: var(--typography-caption-size); color: var(--color-text-tertiary); }
.ds-type-spec-text { color: var(--color-text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Spacing & shape */
.ds-two { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-stack-lg); align-items: start; }
.ds-space { display: flex; flex-direction: column; gap: var(--space-stack-sm); }
.ds-space-row { display: grid; grid-template-columns: 64px 1fr 36px; align-items: center; gap: var(--space-inline-md); }
.ds-space-k { font-family: var(--font-mono); font-size: var(--typography-caption-size); color: var(--color-text-tertiary); }
.ds-space-bar { height: 14px; background: var(--color-action-primary); border-radius: var(--radius-sm); }
.ds-space-v { font-family: var(--font-mono); font-size: var(--typography-caption-size); color: var(--color-text-secondary); text-align: right; }
.ds-radius { display: flex; flex-wrap: wrap; gap: var(--space-stack-md); }
.ds-radius-item { display: flex; flex-direction: column; align-items: center; gap: var(--space-stack-sm); }
.ds-radius-box { width: 56px; height: 56px; background: var(--color-surface-sunken); border: 1px solid var(--color-border-default); }
.ds-radius-name { font-size: var(--typography-caption-size); color: var(--color-text-tertiary); }
.ds-focus-demo { padding: var(--space-inset-md) 0; }
.ds-focus-btn { padding: var(--space-inset-md) var(--space-inset-lg); border-radius: var(--radius-component); border: 2px solid var(--color-border-action); background: var(--color-surface-raised); color: var(--color-text-primary); font-family: var(--font-sans); font-size: var(--typography-label-size); box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-border-action) 25%, transparent); }

/* Motion */
.ds-motion { display: flex; flex-direction: column; gap: var(--space-stack-md); }
.ds-motion-row { display: grid; grid-template-columns: 70px 1fr 56px 1fr; align-items: center; gap: var(--space-inline-md); }
.ds-motion-name { font-size: var(--typography-label-size); font-weight: var(--fw-medium); }
.ds-motion-track { height: 8px; background: var(--color-surface-sunken); border-radius: var(--radius-pill); overflow: hidden; }
.ds-motion-fill { display: block; height: 100%; width: 30%; background: var(--color-accent-default); border-radius: var(--radius-pill); animation-name: ds-motion-slide; animation-timing-function: var(--easing-default); animation-iteration-count: infinite; }
@keyframes ds-motion-slide { 0% { transform: translateX(-100%); } 50% { transform: translateX(330%); } 100% { transform: translateX(-100%); } }
.ds-motion-ms { font-family: var(--font-mono); font-size: var(--typography-caption-size); color: var(--color-text-secondary); }
.ds-motion-use { font-size: var(--typography-caption-size); color: var(--color-text-tertiary); }

/* Components showcase */
.ds-comp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-stack-md); }
.ds-comp-cell { background: var(--color-surface-raised); border: 0.5px solid var(--color-border-default); border-radius: var(--radius-card); padding: var(--space-inset-lg); }
.ds-comp-cell:nth-child(5), .ds-comp-cell:nth-child(6) { grid-column: 1 / -1; }
.ds-comp-label { display: block; font-size: var(--typography-caption-size); font-weight: var(--fw-bold); text-transform: uppercase; letter-spacing: .05em; color: var(--color-text-tertiary); margin-bottom: var(--space-stack-md); }
.ds-comp-stage { display: flex; flex-wrap: wrap; gap: var(--space-inline-md); align-items: flex-start; }

/* Voice */
.ds-voice { display: flex; flex-direction: column; gap: var(--space-stack-md); }
.ds-voice-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-inline-md); padding-bottom: var(--space-stack-md); border-bottom: 0.5px solid var(--color-border-subtle); }
.ds-voice-row:last-child { border-bottom: none; }
.ds-voice-cell { display: flex; flex-direction: column; gap: var(--space-stack-sm); padding: var(--space-inset-md); border-radius: var(--radius-component); }
.ds-voice-cell--yes { background: var(--color-feedback-success-subtle); }
.ds-voice-cell--no { background: var(--color-feedback-danger-subtle); }
.ds-voice-tag { display: inline-flex; align-items: center; gap: 5px; font-size: var(--typography-caption-size); font-weight: var(--fw-bold); text-transform: uppercase; letter-spacing: .05em; }
.ds-voice-cell--yes .ds-voice-tag { color: var(--color-feedback-success); }
.ds-voice-cell--no .ds-voice-tag { color: var(--color-feedback-danger); }
.ds-voice-text { font-size: var(--typography-body-md-size); color: var(--color-text-primary); }
.ds-voice-note { grid-column: 1 / -1; font-size: var(--typography-caption-size); color: var(--color-text-tertiary); margin: 2px 0 0; }

.ds-token { font-family: var(--font-mono); font-size: 0.92em; background: var(--color-surface-sunken); padding: 1px 6px; border-radius: var(--radius-sm); color: var(--color-text-secondary); }
.ds-foot { padding: var(--space-stack-lg) 0 0; border-top: 0.5px solid var(--color-border-subtle); }
.ds-foot p { font-size: var(--typography-caption-size); color: var(--color-text-tertiary); line-height: var(--lh-normal); }

@media (max-width: 880px) {
  .ds-principles, .ds-sem-groups, .ds-two, .ds-comp-grid { grid-template-columns: 1fr; }
  .ds-ramp__row { grid-template-columns: repeat(7, 1fr); }
  .ds-hero { flex-direction: column; }
  .ds-type-row { grid-template-columns: 1fr; gap: var(--space-stack-sm); }
}
@media (prefers-reduced-motion: reduce) { .ds-motion-fill { animation: none; width: 60%; } }

/* ============================================================
   Case study — "About this system" editorial page
   ============================================================ */
.cs { max-width: var(--layout-page-max); margin: 0 auto; padding-bottom: var(--space-16); }
.cs-section { padding: var(--space-10) 0; border-top: 0.5px solid var(--color-border-subtle); scroll-margin-top: var(--space-6); }

/* Headings + prose */
.cs-h1 { font-size: var(--typography-heading-lg-size); font-weight: var(--typography-heading-lg-weight); line-height: var(--typography-heading-lg-line-height); letter-spacing: -0.01em; margin: var(--space-stack-md) 0 0; max-width: 18ch; text-wrap: balance; }
.cs-h2 { font-size: var(--typography-heading-md-size); font-weight: var(--typography-heading-md-weight); line-height: var(--typography-heading-md-line-height); margin: 0 0 var(--space-stack-md); }
.cs-h3 { font-size: var(--typography-heading-sm-size); font-weight: var(--typography-heading-sm-weight); margin: var(--space-stack-md) 0 var(--space-stack-sm); }
.cs-p { font-size: var(--typography-body-lg-size); line-height: var(--typography-body-lg-line-height); color: var(--color-text-secondary); margin: 0 0 var(--space-stack-md); max-width: 68ch; }
.cs-p--lead { color: var(--color-text-primary); }
.cs-p strong { color: var(--color-text-primary); font-weight: var(--fw-bold); }

/* Header / kicker */
.cs-head { padding: var(--space-6) 0 var(--space-10); border-bottom: 0.5px solid var(--color-border-subtle); }
.cs-kicker { display: inline-block; margin-top: var(--space-stack-md); font-size: var(--typography-caption-size); font-weight: var(--fw-bold); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-action-primary); }
.cs-lede { font-size: var(--typography-body-lg-size); line-height: var(--lh-relaxed); color: var(--color-text-secondary); margin: var(--space-stack-md) 0 0; max-width: 64ch; }
.cs-meta { display: flex; flex-wrap: wrap; gap: var(--space-inline-lg); margin: var(--space-stack-lg) 0 0; }
.cs-meta div { display: flex; flex-direction: column; gap: 2px; }
.cs-meta dt { font-size: var(--typography-caption-size); text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-tertiary); }
.cs-meta dd { font-size: var(--typography-body-md-size); font-weight: var(--fw-medium); color: var(--color-text-primary); margin: 0; }

/* Hypothesis / rule blocks */
.cs-quote { margin: var(--space-stack-md) 0 0; padding: var(--space-inset-md) var(--space-inset-lg); border-left: 3px solid var(--color-action-primary); background: var(--color-feedback-success-subtle); border-radius: 0 var(--radius-component) var(--radius-component) 0; font-size: var(--typography-body-lg-size); line-height: var(--lh-normal); color: var(--color-text-primary); }
.cs-rule { margin: var(--space-stack-sm) 0 0; padding: var(--space-inset-md); background: var(--color-surface-sunken); border-radius: var(--radius-component); font-family: var(--font-mono); font-size: var(--typography-body-md-size); line-height: var(--lh-normal); color: var(--color-text-primary); }
.cs-code { font-family: var(--font-mono); font-size: 0.9em; background: var(--color-surface-sunken); padding: 1px 6px; border-radius: var(--radius-sm); color: var(--color-text-secondary); white-space: nowrap; }
.cs-code--new { background: var(--color-feedback-success-subtle); color: var(--color-feedback-success); }

/* Architecture diagram */
.cs-diagram { margin: var(--space-stack-md) 0 var(--space-stack-lg); padding: var(--space-inset-lg); background: var(--color-surface-sunken); border: 0.5px solid var(--color-border-subtle); border-radius: var(--radius-card); }
.cs-diagram svg { width: 100%; height: auto; display: block; }
.cs-diagram__hint { text-align: center; font-size: var(--typography-caption-size); color: var(--color-text-tertiary); margin: var(--space-stack-sm) 0 0; }
.cs-diagram text { font-family: var(--font-sans); }
.cs-node { cursor: default; }
.cs-node[role="button"] { cursor: pointer; }
.cs-node__box { fill: var(--color-surface-raised); stroke: var(--color-border-default); stroke-width: 1; transition: fill var(--motion-enter-duration) var(--motion-enter-easing), stroke var(--motion-enter-duration) var(--motion-enter-easing); }
.cs-node__label { fill: var(--color-text-primary); font-size: 15px; font-weight: var(--fw-medium); text-anchor: middle; }
.cs-node__sub { fill: var(--color-text-tertiary); font-family: var(--font-mono); font-size: 11px; text-anchor: middle; }
.cs-node--action .cs-node__box { fill: var(--color-feedback-success-subtle); stroke: var(--color-action-primary); }
.cs-node--accent .cs-node__box { fill: var(--color-accent-subtle); stroke: var(--color-accent-default); }
.cs-node--accent .cs-node__label { fill: var(--color-accent-default); font-weight: var(--fw-bold); }
.cs-node[role="button"]:hover .cs-node__box { stroke: var(--color-border-strong); }
.cs-node[role="button"]:hover .cs-node--accent .cs-node__box,
.cs-node--accent[role="button"]:hover .cs-node__box { stroke: var(--color-accent-default); }
.cs-node[role="button"]:focus-visible { outline: none; }
.cs-node[role="button"]:focus-visible .cs-node__box { stroke: var(--color-border-action); stroke-width: 2; }
.cs-link { stroke: var(--color-border-default); stroke-width: 1.5; fill: none; }
.cs-arrowhead { fill: var(--color-border-default); }
.cs-gov { cursor: pointer; }
.cs-gov__box { fill: none; stroke: var(--color-border-default); stroke-width: 1.5; stroke-dasharray: 5 5; }
.cs-gov__eyebrow { fill: var(--color-text-tertiary); font-size: 10px; font-weight: 700; letter-spacing: 0.12em; text-anchor: middle; }
.cs-gov__label { fill: var(--color-text-secondary); font-family: var(--font-mono); font-size: 13px; text-anchor: middle; }
.cs-gov:hover .cs-gov__box { stroke: var(--color-border-strong); }

/* Stats */
.cs-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-stack-md); margin: 0 0 var(--space-stack-lg); }
.cs-stat { display: flex; flex-direction: column; gap: var(--space-stack-sm); padding: var(--space-inset-lg); background: var(--color-surface-raised); border: 0.5px solid var(--color-border-default); border-radius: var(--radius-card); }
.cs-stat__value { font-size: var(--typography-display-size); font-weight: var(--typography-display-weight); line-height: 1; color: var(--color-text-primary); }
.cs-stat__label { font-size: var(--typography-caption-size); color: var(--color-text-tertiary); }

/* File tree / spec pre blocks */
.cs-tree { font-family: var(--typography-code-family); font-size: var(--typography-code-size); line-height: var(--lh-normal); color: var(--color-text-secondary); background: var(--color-surface-sunken); border: 0.5px solid var(--color-border-subtle); border-radius: var(--radius-card); padding: var(--space-inset-lg); margin: 0; overflow-x: auto; white-space: pre; }
.cs-tree--spec { margin: 0; }

/* Cascade (evidence A) */
.cs-cascade { list-style: none; margin: var(--space-stack-md) 0 0; padding: 0; display: flex; flex-direction: column; }
.cs-step { display: grid; grid-template-columns: 40px 1fr; gap: var(--space-inline-md); }
.cs-step__rail { display: flex; flex-direction: column; align-items: center; }
.cs-step__num { display: flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: var(--radius-pill); background: var(--color-action-primary); color: var(--color-text-on-action); font-family: var(--font-mono); font-size: var(--typography-caption-size); font-weight: var(--fw-bold); flex-shrink: 0; }
.cs-step:not(:last-child) .cs-step__rail::after { content: ""; flex: 1; width: 2px; background: var(--color-border-subtle); margin: var(--space-stack-sm) 0; }
.cs-step__body { padding-bottom: var(--space-stack-lg); min-width: 0; }
.cs-step__tag { display: inline-block; font-size: var(--typography-label-size); font-weight: var(--fw-bold); color: var(--color-text-primary); margin-bottom: var(--space-stack-sm); }
.cs-step__rows { margin: 0 0 var(--space-stack-sm); display: flex; flex-direction: column; gap: 4px; }
.cs-step__rows div { display: grid; grid-template-columns: 150px 1fr; gap: var(--space-inline-md); }
.cs-step__rows dt { font-size: var(--typography-caption-size); text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-tertiary); padding-top: 1px; }
.cs-step__rows dd { font-size: var(--typography-body-md-size); color: var(--color-text-secondary); margin: 0; }
.cs-step__change { display: inline-flex; align-items: center; gap: var(--space-inline-sm); margin-top: 2px; }
.cs-step__change iconify-icon { color: var(--color-text-tertiary); font-size: 16px; }
.cs-caption { font-size: var(--typography-body-md-size); color: var(--color-text-tertiary); font-style: italic; margin: var(--space-stack-md) 0 0; max-width: 64ch; }

/* Badge proof (evidence B) */
.cs-badge-proof { display: grid; grid-template-columns: 1.4fr 1fr; gap: var(--space-stack-md); align-items: stretch; margin-top: var(--space-stack-md); }
.cs-badge-render { display: flex; flex-direction: column; gap: var(--space-stack-md); align-items: flex-start; justify-content: center; padding: var(--space-inset-lg); background: var(--color-surface-raised); border: 0.5px solid var(--color-border-default); border-radius: var(--radius-card); }

/* Honest assessment */
.cs-assess { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-stack-lg); }
.cs-assess__head { display: flex; align-items: center; gap: var(--space-inline-sm); font-size: var(--typography-label-size); font-weight: var(--fw-bold); margin: 0 0 var(--space-stack-md); }
.cs-assess__head iconify-icon { font-size: 18px; }
.cs-assess__head--yes { color: var(--color-feedback-success); }
.cs-assess__head--no { color: var(--color-feedback-warning); }
.cs-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-stack-sm); }
.cs-list li { position: relative; padding-left: var(--space-5); font-size: var(--typography-body-md-size); line-height: var(--lh-normal); color: var(--color-text-secondary); }
.cs-list li::before { content: ""; position: absolute; left: 4px; top: 8px; width: 5px; height: 5px; border-radius: 50%; background: var(--color-border-default); }

/* Three-zone governance cards */
.cs-zones { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-stack-md); margin: var(--space-stack-md) 0 0; }
.cs-zone { display: flex; flex-direction: column; gap: var(--space-stack-sm); padding: var(--space-inset-lg); background: var(--color-surface-raised); border: 0.5px solid var(--color-border-default); border-left-width: 3px; border-radius: var(--radius-card); }
.cs-zone--danger { border-left-color: var(--color-feedback-danger); }
.cs-zone--warning { border-left-color: var(--color-feedback-warning); }
.cs-zone--success { border-left-color: var(--color-feedback-success); }
.cs-zone__name { font-size: var(--typography-heading-sm-size); font-weight: var(--fw-medium); color: var(--color-text-primary); }
.cs-zone__rule { font-size: var(--typography-body-md-size); font-weight: var(--fw-medium); color: var(--color-text-primary); margin: 0; line-height: var(--lh-normal); }
.cs-zone__body { font-size: var(--typography-body-md-size); color: var(--color-text-secondary); margin: 0; line-height: var(--lh-normal); }
.cs-zone__tokens { display: flex; flex-wrap: wrap; gap: 4px; margin-top: auto; padding-top: var(--space-stack-sm); }
.cs-zone__tokens .cs-code { white-space: normal; font-size: 11px; }

/* Before / after compare */
.cs-compare { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-stack-md); margin: var(--space-stack-md) 0; }
.cs-compare__col { padding: var(--space-inset-lg); border-radius: var(--radius-card); border: 0.5px solid var(--color-border-default); }
.cs-compare__col--before { background: var(--color-surface-sunken); }
.cs-compare__col--after { background: var(--color-feedback-success-subtle); border-color: var(--color-action-primary); }
.cs-compare__head { display: block; font-size: var(--typography-caption-size); font-weight: var(--fw-bold); text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-tertiary); margin-bottom: var(--space-stack-md); }
.cs-compare__col--after .cs-compare__head { color: var(--color-feedback-success); }

/* What's next */
.cs-next { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-stack-md); }
.cs-next-card { padding: var(--space-inset-lg); background: var(--color-surface-raised); border: 0.5px solid var(--color-border-default); border-radius: var(--radius-card); }
.cs-next-card__icon { display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: var(--radius-component); background: var(--color-surface-sunken); color: var(--color-action-primary); font-size: 21px; margin-bottom: var(--space-stack-md); }
.cs-next-card__title { font-size: var(--typography-heading-sm-size); font-weight: var(--fw-medium); margin: 0 0 var(--space-stack-sm); }
.cs-next-card__body { font-size: var(--typography-body-md-size); color: var(--color-text-secondary); line-height: var(--lh-normal); margin: 0; }

/* Footer */
.cs-foot { padding: var(--space-stack-lg) 0 0; border-top: 0.5px solid var(--color-border-subtle); display: flex; flex-direction: column; gap: var(--space-stack-md); }
.cs-foot__line { font-size: var(--typography-body-md-size); color: var(--color-text-tertiary); margin: 0; }
.cs-foot__actions { display: flex; flex-wrap: wrap; gap: var(--space-inline-md); }

@media (max-width: 880px) {
  .cs-stats, .cs-zones, .cs-next { grid-template-columns: 1fr; }
  .cs-assess, .cs-badge-proof, .cs-compare { grid-template-columns: 1fr; }
  .cs-meta { gap: var(--space-inline-md) var(--space-inline-lg); }
  .cs-step__rows div { grid-template-columns: 1fr; gap: 0; }
}

/* ============================================================
   Build log — milestone track + scenarios (reuses cs-* for the rest)
   ============================================================ */
.bs-track { list-style: none; margin: var(--space-stack-md) 0 0; padding: 0; display: flex; flex-direction: column; }
.bs-ms { display: grid; grid-template-columns: 44px 1fr; gap: var(--space-inline-md); }
.bs-ms__rail { display: flex; flex-direction: column; align-items: center; }
.bs-ms__node {
  display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; flex-shrink: 0;
  border-radius: var(--radius-pill); color: #fff; font-size: 20px;
  box-shadow: 0 0 0 4px var(--color-surface-base);
}
.bs-ms:not(:last-child) .bs-ms__rail::after { content: ""; flex: 1; width: 2px; background: var(--color-border-subtle); margin: var(--space-stack-sm) 0; }
.bs-ms__body { padding-bottom: var(--space-stack-lg); min-width: 0; }
.bs-ms__tag { display: inline-flex; align-items: center; gap: 6px; font-size: var(--typography-caption-size); font-weight: var(--fw-bold); text-transform: uppercase; letter-spacing: 0.05em; }
.bs-ms__dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.bs-ms__title { font-size: var(--typography-heading-sm-size); font-weight: var(--fw-medium); margin: var(--space-stack-sm) 0 4px; }
.bs-ms__text { font-size: var(--typography-body-md-size); color: var(--color-text-secondary); line-height: var(--lh-normal); margin: 0; max-width: 64ch; }

.bs-scenarios { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-stack-md); margin-top: var(--space-stack-md); }
.bs-scenario { padding: var(--space-inset-lg); background: var(--color-surface-raised); border: 0.5px solid var(--color-border-default); border-radius: var(--radius-card); }
.bs-scenario__icon { display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: var(--radius-component); font-size: 21px; margin-bottom: var(--space-stack-md); }
.bs-scenario__if, .bs-scenario__then { font-size: var(--typography-body-md-size); line-height: var(--lh-normal); margin: 0; }
.bs-scenario__if { color: var(--color-text-primary); font-weight: var(--fw-medium); }
.bs-scenario__then { color: var(--color-text-secondary); margin-top: var(--space-stack-sm); }
.bs-scenario__k { display: inline-block; min-width: 34px; font-size: var(--typography-caption-size); font-weight: var(--fw-bold); text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-tertiary); margin-right: var(--space-inline-sm); }
.bs-scenario__k--then { color: var(--color-action-primary); }

@media (max-width: 880px) {
  .bs-scenarios { grid-template-columns: 1fr; }
}