/* singhularity-ui-core — Shared design system for Indieprise tools
 * See: DESIGN.md in indiedevstack repo for design rationale
 */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ═══ Variables & Reset ═══ */
:root {
  --bg-page:     #0A0A0B;
  --bg-card:     #111113;
  --bg-elevated: #1A1A1D;
  --bg-highest:  #232326;
  /* --bg-nav: top-bar translucent overlay. Kept as a var so light theme
     can flip it without needing every consumer to restyle .top-nav. */
  --bg-nav:      rgba(10, 10, 11, 0.92);
  --text-primary:   #EDEDEF;
  --text-secondary: #A0A0A8;
  --text-tertiary:  #6B6B73;
  --accent:   #D97706;
  --accent-hover: #B45309;
  --accent-subtle: rgba(217, 119, 6, 0.12);
  --success:  #22C55E;
  --warning:  #F59E0B;
  --error:    #EF4444;
  --info:     #3B82F6;
  --border:   #2A2A2E;
  --border-hover: #3A3A3E;
  /* Skeleton-shimmer tint: a very faint overlay that sweeps across
     loading elements. Dark theme needs a white tint; light theme needs
     a black tint. Abstracted here so the keyframes below pick up both. */
  --skeleton-shimmer: rgba(255, 255, 255, 0.06);
  --skeleton-shimmer-strong: rgba(255, 255, 255, 0.10);
  --font-display: "Satoshi", system-ui, sans-serif;
  --font-sans:    "Geist Sans", "Satoshi", system-ui, sans-serif;
  --font-mono:    "Geist Mono", ui-monospace, monospace;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --z-nav: 100;
  --z-menu: 150;
  --z-overlay: 200;
  --z-sheet: 201;
  --z-toast: 300;
}

/* Light theme — opt in by setting <html data-theme="light">. Palette
   aims for WCAG AA on body text (text-primary at 4.5:1+ against
   bg-page, text-secondary at 4.5:1+ against bg-card). Accent darkens
   one step so the amber reads against the near-white background. */
[data-theme="light"] {
  --bg-page:     #F8FAFC;
  --bg-card:     #FFFFFF;
  --bg-elevated: #F1F5F9;
  --bg-highest:  #E2E8F0;
  --bg-nav:      rgba(255, 255, 255, 0.88);
  --text-primary:   #0F172A;
  --text-secondary: #475569;
  --text-tertiary:  #64748B;
  --accent:   #B45309;
  --accent-hover: #92400E;
  --accent-subtle: rgba(180, 83, 9, 0.10);
  --success:  #16A34A;
  --warning:  #D97706;
  --error:    #DC2626;
  --info:     #2563EB;
  --border:   #E2E8F0;
  --border-hover: #CBD5E1;
  --skeleton-shimmer: rgba(0, 0, 0, 0.04);
  --skeleton-shimmer-strong: rgba(0, 0, 0, 0.08);
}
html, body {
  height: 100%;
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border); }

/* ═══ Focus Rings (a11y) ═══ */
a:focus-visible,
button:focus-visible,
[tabindex="0"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
/* Suppress default outline only for mouse users */
a:focus:not(:focus-visible),
button:focus:not(:focus-visible),
[tabindex="0"]:focus:not(:focus-visible) {
  outline: none;
}

/* ═══ Touch Targets ═══ */
.filter-pill,
.brief-expand-btn,
.nav-link,
.nav-gear {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.nav-links { align-items: stretch; }
.bottom-sheet-close {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ═══ Animations ═══ */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.4; }
}
@keyframes pulsing-dot {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.3; }
}
.pulsing { animation: pulsing-dot 1.4s ease-in-out infinite; }

/* ═══ Component: Navigation ═══ */
.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  gap: 0;
  height: 52px;
  padding: 0 24px;
  background: var(--bg-nav);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: 32px;
  cursor: pointer;
}
.nav-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.nav-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.nav-link {
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 150ms, color 150ms;
  text-decoration: none;
}
.nav-link:hover { background: var(--bg-elevated); color: var(--text-primary); }
.nav-link.active { background: var(--bg-elevated); color: var(--text-primary); }
.nav-link.nav-link--migrations { color: var(--accent); }
.nav-link.nav-link--migrations.active { color: var(--accent); background: var(--accent-subtle); }
.nav-gear {
  margin-left: auto;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: background 150ms;
}
.nav-gear:hover { background: var(--bg-elevated); color: var(--text-secondary); }

/* ═══ Component: Layout ═══ */
.page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 24px 60px;
}
.view { display: none; }
.view.active { display: block; }

/* ═══ Component: EmbedFrame ═══ */
.embed-frame {
  width: 100%;
  height: calc(100vh - 100px);
  border: none;
  border-radius: 0;
  background: var(--bg-page);
  display: block;
}
.embed-offline {
  color: var(--text-tertiary, #78716c);
  padding: 40px 0;
  text-align: center;
}
.embed-offline code {
  font-family: var(--font-mono, monospace);
  color: var(--text-secondary, #a8a29e);
}

/* ═══ Component: SheenCard ═══ */
.sheen-card {
  position: relative;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: border-color 150ms;
}
.sheen-card:hover { border-color: var(--border-hover); }
.sheen-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--skeleton-shimmer) 30%,
    var(--skeleton-shimmer-strong) 50%, var(--skeleton-shimmer) 70%, transparent);
}
.sheen-hero::before {
  background: linear-gradient(90deg, transparent, rgba(217,119,6,0.15) 30%,
    rgba(217,119,6,0.25) 50%, rgba(217,119,6,0.15) 70%, transparent);
}
.sheen-red::before {
  background: linear-gradient(90deg, transparent, rgba(239,68,68,0.15) 30%,
    rgba(239,68,68,0.25) 50%, rgba(239,68,68,0.15) 70%, transparent);
}
.sheen-green::before {
  background: linear-gradient(90deg, transparent, rgba(34,197,94,0.15) 30%,
    rgba(34,197,94,0.25) 50%, rgba(34,197,94,0.15) 70%, transparent);
}
.sheen-subtle::before {
  background: linear-gradient(90deg, transparent, var(--skeleton-shimmer) 30%,
    var(--skeleton-shimmer-strong) 50%, var(--skeleton-shimmer) 70%, transparent);
}

/* ═══ Component: CodePill ═══ */
.code-pill {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg-elevated);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--text-primary);
  cursor: pointer;
  text-decoration: none;
  transition: background 150ms, color 150ms;
  display: inline-block;
}
.code-pill:hover { background: var(--bg-highest); color: var(--accent); }

/* ═══ Component: Pill ═══ */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 9999px;
  line-height: 1.4;
}
.pill-high { background: rgba(239,68,68,0.12); color: var(--error); }
.pill-med  { background: rgba(217,119,6,0.12); color: var(--accent); }
.pill-low  { background: rgba(107,107,115,0.12); color: var(--text-secondary); }
.pill-done { background: rgba(34,197,94,0.12); color: var(--success); }

/* ═══ Component: BriefRenderer ═══ */
.brief-container {
  max-height: 280px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--bg-highest) transparent;
}
.brief-container::-webkit-scrollbar { width: 6px; }
.brief-container::-webkit-scrollbar-track { background: transparent; }
.brief-container::-webkit-scrollbar-thumb { background: var(--bg-highest); border-radius: 3px; }
.brief-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  cursor: pointer;
  transition: background 150ms;
  user-select: none;
  border-bottom: 1px solid var(--border);
}
.brief-header:last-child { border-bottom: none; }
.brief-header:hover { background: var(--bg-elevated); }
.brief-dot {
  font-size: 10px;
  flex-shrink: 0;
  line-height: 1;
}
.brief-summary {
  flex: 1;
  font-size: 13px;
  color: var(--text-primary);
}
.brief-source {
  font-size: 11px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}
.brief-chevron {
  font-size: 10px;
  color: var(--text-tertiary);
  transition: transform 150ms;
}
.brief-chevron.expanded { transform: rotate(90deg); }
.brief-expand-btn {
  font-size: 11px;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 3px;
  transition: background 150ms, color 150ms;
  background: none;
  border: none;
  font-family: var(--font-sans);
}
.brief-expand-btn:hover { background: var(--bg-elevated); color: var(--text-secondary); }
.brief-body {
  display: none;
  padding: 0 20px 14px 38px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.brief-body.expanded { display: block; }

/* ═══ Component: BottomSheet ═══ */
.bottom-sheet-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: var(--z-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms ease-out;
}
.bottom-sheet-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.bottom-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-height: 80vh;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  z-index: var(--z-sheet);
  transform: translateY(100%);
  transition: transform 300ms ease-out;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.bottom-sheet.open {
  transform: translateY(0);
}
.bottom-sheet-handle {
  width: 36px;
  height: 4px;
  background: var(--bg-highest);
  border-radius: 2px;
  margin: 12px auto 0;
  flex-shrink: 0;
}
.bottom-sheet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.bottom-sheet-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}
.bottom-sheet-close {
  background: none;
  border: none;
  color: var(--text-tertiary);
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: background 150ms, color 150ms;
}
.bottom-sheet-close:hover { background: var(--bg-elevated); color: var(--text-primary); }
.bottom-sheet-content {
  padding: 16px 24px 24px;
  overflow-y: auto;
  flex: 1;
  scrollbar-width: thin;
  scrollbar-color: var(--bg-highest) transparent;
}

/* ═══ Component: Toast ═══ */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 280px;
  max-width: 400px;
  pointer-events: auto;
  opacity: 0;
  transform: translateY(8px);
  animation: toast-in 150ms ease-out forwards;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.toast.dismissing {
  animation: toast-out 150ms ease-in forwards;
}
.toast-success { border-left-color: var(--success); }
.toast-error   { border-left-color: var(--error); }
.toast-info    { border-left-color: var(--info); }
.toast-icon {
  flex-shrink: 0;
  font-size: 14px;
}
.toast-success .toast-icon { color: var(--success); }
.toast-error .toast-icon { color: var(--error); }
.toast-info .toast-icon { color: var(--info); }
.toast-message { flex: 1; }
.toast-dismiss {
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  font-size: 14px;
  padding: 2px 4px;
  border-radius: 3px;
  transition: color 150ms;
  flex-shrink: 0;
}
.toast-dismiss:hover { color: var(--text-primary); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes toast-out {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(8px); }
}

/* ═══ Component: MetricCards ═══ */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 150ms;
  position: relative;
  overflow: hidden;
}
.metric-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--skeleton-shimmer) 30%,
    var(--skeleton-shimmer-strong) 50%, var(--skeleton-shimmer) 70%, transparent);
}
.metric-card:hover { border-color: var(--border-hover); }
.metric-card-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.metric-card-value {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.1;
}
.metric-card-value.health-value {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 900;
}
.metric-card-sub {
  font-size: 12px;
  color: var(--text-tertiary);
}
.metric-card-action {
  margin-top: 4px;
  font-size: 12px;
  color: var(--accent);
  cursor: pointer;
  text-decoration: none;
}
.metric-card-action:hover { text-decoration: underline; }

/* ═══ Component: ToolBar ═══ */
.toolbar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 20px;
}
.tool-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color 150ms;
}
.tool-pill:hover { border-color: var(--border-hover); }
.tool-pill-dot {
  font-size: 10px;
  flex-shrink: 0;
  line-height: 1;
}
.tool-pill-dot.running { color: var(--success); }
.tool-pill-dot.installed { color: var(--warning); }
.tool-pill-dot.missing { color: var(--text-tertiary); }
.tool-pill-name {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
}
.tool-pill-summary {
  font-size: 11px;
  color: var(--text-secondary);
  margin-left: auto;
  white-space: nowrap;
}

/* ═══ Component: ProjectTable ═══ */
.table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.project-table {
  width: 100%;
  border-collapse: collapse;
}
.project-table thead tr {
  background: var(--bg-elevated);
}
.project-table th {
  padding: 10px 12px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  border-bottom: 1px solid var(--border);
}
.project-table td {
  padding: 10px 12px;
  font-size: 13px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}
.project-table tbody tr:last-child td { border-bottom: none; }
.project-table tbody tr {
  background: var(--bg-card);
  transition: background 150ms;
}
.project-table tbody tr:hover { background: var(--bg-elevated); }
.table-empty {
  padding: 32px 16px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 13px;
  background: var(--bg-card);
}
.table-footer {
  padding: 10px 12px;
  font-size: 12px;
  color: var(--text-tertiary);
  background: var(--bg-card);
  border-top: 1px solid var(--border);
}

/* Status icons for tables */
.status-icon { font-size: 12px; }
.status-icon.good    { color: var(--success); }
.status-icon.warning { color: var(--warning); }
.status-icon.danger  { color: var(--error); }

/* ═══ Component: ScopeDivider ═══ */
.scope-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0 12px;
}
.scope-divider-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  white-space: nowrap;
}
.scope-divider-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ═══ Component: FilterPills ═══ */
.filter-pills {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}
.filter-pill {
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: none;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 150ms;
  font-family: var(--font-sans);
}
.filter-pill:hover { border-color: var(--border-hover); color: var(--text-primary); }
.filter-pill.active {
  background: var(--accent-subtle);
  border-color: var(--accent);
  color: var(--accent);
}

/* ═══ Component: ApproveBtn ═══ */
.approve-btn {
  background: none;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 150ms;
  min-height: 44px;
}
.approve-btn:hover {
  background: var(--accent-subtle);
  color: var(--accent-hover);
}
.approve-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.approve-btn--placeholder {
  opacity: 0.5;
  cursor: not-allowed;
}
.approve-btn--placeholder:hover {
  background: none;
  color: var(--accent);
  border-color: var(--accent);
}

/* ═══ Component: ErrorBanner ═══ */
.error-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--error);
}
.error-banner-retry {
  color: var(--error);
  text-decoration: underline;
  cursor: pointer;
  background: none;
  border: none;
  font-size: 13px;
  font-family: var(--font-sans);
  padding: 0;
  margin-left: auto;
}
.error-banner-retry:hover { opacity: 0.8; }

/* ═══ Component: Skeleton ═══ */
.skeleton-line {
  height: 28px;
  background: var(--bg-elevated);
  border-radius: 4px;
  animation: pulse 1.4s ease-in-out infinite;
}
.skeleton-line.sm { height: 14px; width: 60%; }
.skeleton-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  animation: pulse 1.4s ease-in-out infinite;
}
.skeleton-table-line {
  height: 14px;
  background: var(--bg-elevated);
  border-radius: 4px;
  animation: pulse 1.4s ease-in-out infinite;
  display: inline-block;
}

/* ═══ Component: ScoreBars ═══ */
.score-hero-number {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 16px;
}
.dimension-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.dimension-bar-label {
  width: 90px;
  font-size: 12px;
  color: var(--text-secondary);
  flex-shrink: 0;
  text-transform: capitalize;
}
.dimension-bar-track {
  flex: 1;
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 3px;
  overflow: hidden;
}
.dimension-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 300ms ease-out;
}
.dimension-bar-value {
  width: 28px;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  flex-shrink: 0;
}

/* ═══ Component: ProjectDetail ═══ */
.project-detail-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.project-detail-nav .nav-link {
  padding: 4px 8px;
  font-size: 13px;
}
.project-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
.project-detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
}
.project-detail-card-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}

/* ═══ Component: MigrationHero ═══ */
.migration-hero-number {
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
}
.migration-hero-sub {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}
.migration-hero-meta {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 8px;
}
.migration-hero-meta a {
  color: var(--accent);
  text-decoration: none;
  cursor: pointer;
}
.migration-hero-meta a:hover { text-decoration: underline; }

/* ═══ Component: PlanProgress ═══ */
.plan-progress-track {
  width: 100%;
  height: 8px;
  background: var(--bg-elevated);
  border-radius: 4px;
  overflow: hidden;
  margin: 8px 0;
}
.plan-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transition: width 300ms ease-out;
}

/* ═══ Utilities ═══ */
.color-success { color: var(--success); }
.color-warning { color: var(--warning); }
.color-error   { color: var(--error); }
.color-info    { color: var(--info); }
.color-accent  { color: var(--accent); }
.section-gap   { margin-bottom: 20px; }
.major-gap     { margin-bottom: 48px; }

/* ═══ Component: Settings ═══ */
.settings-layout { display: flex; min-height: 500px; gap: 0; }
.settings-sidebar { width: 170px; background: var(--bg-card); border-right: 1px solid var(--border); padding: 16px 0; flex-shrink: 0; }
.settings-sidebar-label { padding: 6px 16px; color: var(--text-tertiary); font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 4px; }
.settings-sidebar-item { padding: 8px 16px; color: var(--text-secondary); font-size: 12px; cursor: pointer; border-left: 2px solid transparent; transition: background 150ms, color 150ms; }
.settings-sidebar-item:hover { background: var(--bg-elevated); }
.settings-sidebar-item.active { color: var(--accent); background: rgba(217,119,6,0.08); border-left-color: var(--accent); }
.settings-content { flex: 1; padding: 20px 24px; overflow-y: auto; }
.settings-section-title { color: var(--text-primary); font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.settings-section-subtitle { color: var(--text-tertiary); font-size: 12px; margin-bottom: 16px; }
.settings-input {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text-primary); font-family: var(--font-mono); font-size: 12px; padding: 6px 10px;
  outline: none; transition: border-color 150ms;
}
.settings-input:focus { border-color: var(--accent); }
.settings-btn {
  background: none; border: 1px solid var(--accent); color: var(--accent); font-family: var(--font-sans);
  font-size: 12px; font-weight: 500; padding: 6px 14px; border-radius: var(--radius-sm); cursor: pointer;
  transition: all 150ms;
}
.settings-btn:hover { background: var(--accent-subtle); }
.settings-btn--danger { border-color: var(--error); color: var(--error); }
.settings-btn--danger:hover { background: rgba(239,68,68,0.1); }
.settings-tool-card {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 14px 16px; display: flex; align-items: center; gap: 12px; transition: border-color 150ms;
}
.settings-tool-card:hover { border-color: var(--border-hover); }
.settings-tier-box {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 14px 16px; text-align: center; transition: border-color 150ms;
}
.settings-tier-box:hover { border-color: var(--border-hover); }
.settings-tier-count { font-family: var(--font-display); font-size: 24px; font-weight: 700; line-height: 1.2; }
.settings-tier-label { font-size: 11px; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.06em; }
.priority-toggle { display: inline-flex; gap: 2px; }
.priority-toggle-btn {
  padding: 2px 8px; font-size: 11px; font-weight: 600; border: 1px solid var(--border); border-radius: 3px;
  background: none; color: var(--text-tertiary); cursor: pointer; transition: all 150ms; font-family: var(--font-sans);
}
.priority-toggle-btn:hover { border-color: var(--border-hover); color: var(--text-secondary); }
.priority-toggle-btn.active-high { background: rgba(239,68,68,0.15); border-color: var(--error); color: var(--error); }
.priority-toggle-btn.active-med { background: rgba(217,119,6,0.15); border-color: var(--accent); color: var(--accent); }
.priority-toggle-btn.active-low { background: rgba(107,107,115,0.12); border-color: var(--text-tertiary); color: var(--text-secondary); }
.priority-toggle-btn.active-ignore { background: rgba(107,107,115,0.06); border-color: var(--border); color: var(--text-tertiary); }

/* ═══ Component: KebabMenu ═══ */
.kebab-trigger {
  background: none; border: none; color: var(--text-tertiary); font-size: 16px; cursor: pointer;
  padding: 2px 6px; border-radius: 3px; transition: background 150ms, color 150ms; line-height: 1;
  font-family: var(--font-sans);
}
.kebab-trigger:hover { background: var(--bg-elevated); color: var(--text-secondary); }
.kebab-menu {
  position: fixed; z-index: var(--z-menu); background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 4px 0; min-width: 180px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4); display: none;
}
.kebab-menu.open { display: block; }
.kebab-menu-item {
  padding: 7px 14px; font-size: 12px; color: var(--text-secondary); cursor: pointer;
  transition: background 150ms, color 150ms; display: block; width: 100%; text-align: left;
  background: none; border: none; font-family: var(--font-sans);
}
.kebab-menu-item:hover { background: var(--bg-elevated); color: var(--text-primary); }
.kebab-menu-item--danger { color: var(--error); }
.kebab-menu-item--danger:hover { background: rgba(239,68,68,0.08); color: var(--error); }
.kebab-menu-item--muted { color: var(--text-tertiary); }
.kebab-menu-item--muted:hover { color: var(--text-secondary); }
.kebab-menu-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* ═══ Responsive: 768px ═══ */
@media (max-width: 768px) {
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .toolbar-grid { grid-template-columns: repeat(2, 1fr); }
  .brief-container { max-height: 240px; }
  .project-table .col-stack { display: none; }
  .bottom-sheet { max-height: 100vh; }
  .project-detail-grid { grid-template-columns: 1fr; }
  .migration-hero-number { font-size: 48px; }
  .settings-layout { flex-direction: column; }
  .settings-sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--border); padding: 8px 0; display: flex; overflow-x: auto; }
  .settings-sidebar-label { display: none; }
  .settings-sidebar-item { white-space: nowrap; border-left: none; border-bottom: 2px solid transparent; }
  .settings-sidebar-item.active { border-left-color: transparent; border-bottom-color: var(--accent); }
}

/* ═══ Responsive: 480px ═══ */
@media (max-width: 480px) {
  .metric-grid { grid-template-columns: 1fr; }
  .toolbar-grid { grid-template-columns: 1fr; }
  .nav { padding: 0 16px; }
  .page { padding: 24px 16px 40px; }
  .nav-brand { margin-right: 16px; }
  .project-detail-grid { grid-template-columns: 1fr; }
  .brief-container { max-height: 200px; }
  .bottom-sheet { max-height: 100vh; border-radius: 0; }
  .nav-link { font-size: 12px; padding: 4px 8px; }
}
