/* ============================================================
   BRAND COLOR SYSTEM — Blue Anchored Design Language
   ============================================================ */

/* ── 1. RAW PALETTE ─────────────────────────────────────── */
:root {
  /* Blue Scale */
  --blue-50:  #EFF6FF;
  --blue-100: #DBEAFE;
  --blue-200: #BFDBFE;
  --blue-300: #93C5FD;
  --blue-400: #60A5FA;
  --blue-500: #2563EB;
  --blue-600: #1D4ED8;
  --blue-700: #1E40AF;
  --blue-800: #1E3A8A;
  --blue-900: #1E2F6B;

  /* Neutral Scale (blue-tinted greys) */
  --neutral-0:   #FFFFFF;
  --neutral-50:  #F8FAFC;
  --neutral-100: #F1F5F9;
  --neutral-200: #E2E8F0;
  --neutral-300: #CBD5E1;
  --neutral-400: #94A3B8;
  --neutral-500: #64748B;
  --neutral-600: #475569;
  --neutral-700: #334155;
  --neutral-800: #1E293B;
  --neutral-900: #0F172A;

  /* Semantic — Success */
  --green-50:  #F0FDF4;
  --green-100: #DCFCE7;
  --green-500: #22C55E;
  --green-600: #16A34A;
  --green-700: #15803D;

  /* Semantic — Warning */
  --amber-50:  #FFFBEB;
  --amber-100: #FEF3C7;
  --amber-500: #F59E0B;
  --amber-600: #D97706;
  --amber-700: #B45309;

  /* Semantic — Error */
  --red-50:  #FFF1F2;
  --red-100: #FFE4E6;
  --red-500: #EF4444;
  --red-600: #DC2626;
  --red-700: #B91C1C;

  /* ── 2. SEMANTIC ROLE TOKENS ──────────────────────────── */

  /* Primary Brand */
  --color-primary:         var(--blue-500);
  --color-primary-hover:   var(--blue-600);
  --color-primary-active:  var(--blue-700);
  --color-primary-subtle:  var(--blue-100);
  --color-primary-muted:   var(--blue-300);
  --color-primary-fg:      #FFFFFF;

  /* Secondary (lighter blue tone) */
  --color-secondary:        var(--blue-100);
  --color-secondary-hover:  var(--blue-200);
  --color-secondary-active: var(--blue-300);
  --color-secondary-fg:     var(--blue-700);

  /* Surfaces */
  --color-bg:          var(--neutral-50);
  --color-surface:     var(--neutral-0);
  --color-surface-2:   var(--neutral-100);
  --color-surface-3:   var(--neutral-200);

  /* Borders */
  --color-border:        var(--neutral-200);
  --color-border-strong: var(--neutral-300);
  --color-border-focus:  var(--blue-500);

  /* Text */
  --color-text-primary:   var(--neutral-900);
  --color-text-secondary: var(--neutral-600);
  --color-text-muted:     var(--neutral-400);
  --color-text-disabled:  var(--neutral-300);
  --color-text-link:      var(--blue-600);
  --color-text-link-hover:var(--blue-700);
  --color-text-on-primary:#FFFFFF;

  /* Semantic */
  --color-success:        var(--green-500);
  --color-success-bg:     var(--green-50);
  --color-success-border: var(--green-100);
  --color-success-fg:     var(--green-700);

  --color-warning:        var(--amber-500);
  --color-warning-bg:     var(--amber-50);
  --color-warning-border: var(--amber-100);
  --color-warning-fg:     var(--amber-700);

  --color-error:          var(--red-500);
  --color-error-bg:       var(--red-50);
  --color-error-border:   var(--red-100);
  --color-error-fg:       var(--red-700);

  --color-info:           var(--blue-500);
  --color-info-bg:        var(--blue-50);
  --color-info-border:    var(--blue-100);
  --color-info-fg:        var(--blue-700);

  /* Disabled */
  --color-disabled-bg:    var(--neutral-100);
  --color-disabled-fg:    var(--neutral-400);
  --color-disabled-border:var(--neutral-200);

  /* ── 3. SPACING & RADIUS ──────────────────────────────── */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  16px;
  --radius-full: 9999px;

  /* ── 4. SHADOWS ───────────────────────────────────────── */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 6px rgba(15, 23, 42, 0.07), 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 15px rgba(15, 23, 42, 0.08), 0 4px 6px rgba(15, 23, 42, 0.04);
  --shadow-focus: 0 0 0 3px rgba(37, 99, 235, 0.2);
  --shadow-focus-error: 0 0 0 3px rgba(239, 68, 68, 0.2);
  --shadow-focus-success: 0 0 0 3px rgba(34, 197, 94, 0.2);

  /* ── 5. TYPOGRAPHY ────────────────────────────────────── */
  --font-sans: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-mono: 'DM Mono', 'Fira Code', monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;

  /* ── 6. TRANSITIONS ───────────────────────────────────── */
  --transition-fast:   120ms ease;
  --transition-base:   200ms ease;
  --transition-slow:   300ms ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background: var(--color-bg);
  display: flex;
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-text-link); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-text-link-hover); }

code {
  font-family: var(--font-mono);
  font-size: 0.8em;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  color: var(--blue-700);
}

/* ============================================================
   LAYOUT — SIDEBAR + MAIN
   ============================================================ */
.sidebar {
  width: 220px;
  min-height: 100vh;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  flex-shrink: 0;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--color-border);
}

.logo-mark {
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  position: relative;
}
.logo-mark::after {
  content: '';
  position: absolute;
  inset: 6px;
  background: white;
  border-radius: 3px;
  opacity: 0.9;
}

.logo-text {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

.sidebar-nav {
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.nav-item {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  text-decoration: none;
}
.nav-item:hover {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
}
.nav-item.active {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  font-weight: 600;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--color-border);
}

.sidebar-badge {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  padding: 4px 8px;
  border-radius: var(--radius-full);
  display: inline-block;
}

.main {
  flex: 1;
  min-width: 0;
  padding: 0 40px 80px;
  max-width: 1100px;
}

/* ============================================================
   PAGE HEADER
   ============================================================ */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 36px 0 32px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
  gap: 24px;
}

.page-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.page-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: 6px;
}

.header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
  padding-top: 4px;
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  margin-bottom: 64px;
  scroll-margin-top: 24px;
}

.section-header {
  margin-bottom: 28px;
}

.section-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: 4px;
}

/* ============================================================
   COLOR SWATCHES
   ============================================================ */
.token-group {
  margin-bottom: 32px;
}

.token-group-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.swatch-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.swatch {
  flex: 1;
  min-width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 8px;
  position: relative;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: default;
}
.swatch:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.swatch-label, .swatch-hex {
  font-size: 10px;
  font-family: var(--font-mono);
  color: rgba(255,255,255,0.9);
  line-height: 1.3;
}
.swatch-label.dark, .swatch-hex.dark {
  color: var(--neutral-600);
}
.swatch-hex { opacity: 0.75; }

.swatch-primary {
  box-shadow: 0 0 0 3px white, 0 0 0 5px var(--blue-500);
}

.swatch-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  background: white;
  color: var(--blue-600);
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Role Grid */
.role-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}

.role-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 14px;
  transition: box-shadow var(--transition-fast);
}
.role-card:hover { box-shadow: var(--shadow-sm); }

.role-swatch {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.role-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.role-name {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--blue-600);
  font-weight: 500;
}

.role-value {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
}

.role-use {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  letter-spacing: -0.01em;
}

/* Sizes */
.btn-lg { padding: 12px 24px; font-size: var(--text-base); border-radius: var(--radius-lg); }
.btn-sm { padding: 6px 12px; font-size: var(--text-xs); border-radius: var(--radius-sm); }

/* Primary */
.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-fg);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xs);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}
.btn-primary:active {
  background: var(--color-primary-active);
  transform: translateY(0);
  box-shadow: none;
}
.btn-primary:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

/* Secondary */
.btn-secondary {
  background: var(--color-secondary);
  color: var(--color-secondary-fg);
  border-color: var(--blue-200);
}
.btn-secondary:hover {
  background: var(--color-secondary-hover);
  border-color: var(--blue-300);
  transform: translateY(-1px);
}
.btn-secondary:active {
  background: var(--color-secondary-active);
  transform: translateY(0);
}
.btn-secondary:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

/* Ghost */
.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  background: var(--color-surface-2);
  color: var(--color-text-primary);
  border-color: var(--color-border-strong);
}
.btn-ghost:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

/* Danger */
.btn-danger {
  background: var(--color-error);
  color: white;
  border-color: var(--color-error);
  box-shadow: var(--shadow-xs);
}
.btn-danger:hover {
  background: var(--red-600);
  border-color: var(--red-600);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.btn-danger:active { transform: translateY(0); }
.btn-danger:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus-error);
}

/* Disabled */
.btn:disabled {
  background: var(--color-disabled-bg) !important;
  color: var(--color-disabled-fg) !important;
  border-color: var(--color-disabled-border) !important;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
  opacity: 1;
}

/* Loading */
.btn-loading { cursor: wait; opacity: 0.85; }

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}
.spinner-blue {
  border-color: var(--blue-200);
  border-top-color: var(--blue-600);
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Button layout helpers */
.btn-stack { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.btn-stack.horizontal { flex-direction: row; flex-wrap: wrap; align-items: center; }

/* ============================================================
   COMPONENT LAYOUT
   ============================================================ */
.component-row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: flex-start;
}
.component-row.align-start { align-items: flex-start; }

.component-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 24px;
  flex: 1;
  min-width: 200px;
}
.component-block.wide { flex: 2; min-width: 300px; }

.component-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

/* ============================================================
   INPUTS
   ============================================================ */
.input-stack { display: flex; flex-direction: column; gap: 16px; }

.input-group { display: flex; flex-direction: column; gap: 6px; }

.input-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.state-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  background: var(--color-primary-subtle);
  color: var(--blue-600);
  padding: 1px 6px;
  border-radius: var(--radius-full);
}

.input {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 9px 13px;
  width: 100%;
  transition: all var(--transition-fast);
  outline: none;
}
.input::placeholder { color: var(--color-text-muted); }
.input:hover { border-color: var(--color-border-strong); }
.input:focus {
  border-color: var(--color-border-focus);
  box-shadow: var(--shadow-focus);
}
.input:disabled {
  background: var(--color-disabled-bg);
  color: var(--color-disabled-fg);
  border-color: var(--color-disabled-border);
  cursor: not-allowed;
}

.input-focused {
  border-color: var(--color-border-focus) !important;
  box-shadow: var(--shadow-focus) !important;
}

.input-success {
  border-color: var(--color-success) !important;
  box-shadow: var(--shadow-focus-success) !important;
}

.input-error {
  border-color: var(--color-error) !important;
  box-shadow: var(--shadow-focus-error) !important;
}

.input-hint {
  font-size: var(--text-xs);
  font-weight: 500;
}
.input-hint.success { color: var(--color-success-fg); }
.input-hint.error   { color: var(--color-error-fg); }

/* ============================================================
   TABS
   ============================================================ */
.tabs-demo { }

.tabs {
  display: flex;
  border-bottom: 2px solid var(--color-border);
  gap: 0;
  margin-bottom: 16px;
}

.tab {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  background: none;
  border: none;
  padding: 10px 16px;
  cursor: pointer;
  position: relative;
  transition: color var(--transition-fast);
  margin-bottom: -2px;
}
.tab::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
  border-radius: 2px 2px 0 0;
}
.tab:hover { color: var(--color-primary); }
.tab.active {
  color: var(--color-primary);
  font-weight: 600;
}
.tab.active::after { transform: scaleX(1); }

.tab-content { }
.tab-panel { display: none; }
.tab-panel.active {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  animation: fadeIn 0.15s ease;
}

@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* ============================================================
   PROGRESS
   ============================================================ */
.progress-stack { display: flex; flex-direction: column; gap: 14px; }

.progress-item { display: flex; flex-direction: column; gap: 6px; }

.progress-meta {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.progress-bar {
  height: 6px;
  background: var(--color-surface-2);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.progress-fill.warning { background: var(--color-warning); }

/* ============================================================
   CHECKBOXES, RADIOS, TOGGLES
   ============================================================ */
.check-stack { display: flex; flex-direction: column; gap: 12px; }

.check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  cursor: pointer;
  user-select: none;
}

.check-input, .radio-input { display: none; }

.check-box {
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  position: relative;
}
.check-input:checked + .check-box {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.check-input:checked + .check-box::after {
  content: '';
  width: 10px;
  height: 6px;
  border-left: 2px solid white;
  border-bottom: 2px solid white;
  transform: rotate(-45deg) translateY(-1px);
}
.check-input:disabled + .check-box {
  background: var(--color-disabled-bg);
  border-color: var(--color-disabled-border);
}
.check-input:disabled:checked + .check-box {
  background: var(--color-primary-muted);
  border-color: var(--color-primary-muted);
}

.radio-box {
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border-strong);
  border-radius: 50%;
  background: var(--color-surface);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.radio-input:checked + .radio-box {
  border-color: var(--color-primary);
}
.radio-input:checked + .radio-box::after {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
}

/* Toggle */
.toggle-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  cursor: pointer;
  user-select: none;
}
.toggle-input { display: none; }

.toggle-track {
  width: 38px;
  height: 22px;
  background: var(--color-border-strong);
  border-radius: var(--radius-full);
  position: relative;
  flex-shrink: 0;
  transition: background var(--transition-fast);
}
.toggle-track::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-xs);
}
.toggle-input:checked + .toggle-track {
  background: var(--color-primary);
}
.toggle-input:checked + .toggle-track::after {
  transform: translateX(16px);
}

.text-muted { color: var(--color-text-muted); }

/* ============================================================
   SEMANTIC ALERTS
   ============================================================ */
.semantic-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.semantic-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--radius-lg);
  border: 1px solid;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: none; }
}

.semantic-card.success {
  background: var(--color-success-bg);
  border-color: var(--color-success-border);
}
.semantic-card.warning {
  background: var(--color-warning-bg);
  border-color: var(--color-warning-border);
}
.semantic-card.error {
  background: var(--color-error-bg);
  border-color: var(--color-error-border);
}
.semantic-card.info {
  background: var(--color-info-bg);
  border-color: var(--color-info-border);
}

.semantic-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.success .semantic-icon { background: var(--green-100); color: var(--green-600); }
.warning .semantic-icon { background: var(--amber-100); color: var(--amber-600); }
.error   .semantic-icon { background: var(--red-100);   color: var(--red-600); }
.info    .semantic-icon { background: var(--blue-100);  color: var(--blue-600); }

.semantic-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.semantic-title {
  font-size: var(--text-sm);
  font-weight: 700;
}
.success .semantic-title { color: var(--color-success-fg); }
.warning .semantic-title { color: var(--color-warning-fg); }
.error   .semantic-title { color: var(--color-error-fg); }
.info    .semantic-title { color: var(--color-info-fg); }

.semantic-msg {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.semantic-close {
  background: none;
  border: none;
  font-size: 18px;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  transition: color var(--transition-fast);
  flex-shrink: 0;
}
.semantic-close:hover { color: var(--color-text-primary); }

/* ============================================================
   BADGES
   ============================================================ */
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
  border: 1px solid transparent;
}

.badge-primary        { background: var(--color-primary);        color: white; }
.badge-primary-subtle { background: var(--color-primary-subtle); color: var(--blue-700); border-color: var(--blue-200); }
.badge-success        { background: var(--green-100);            color: var(--green-700); border-color: var(--green-100); }
.badge-warning        { background: var(--amber-100);            color: var(--amber-700); border-color: var(--amber-100); }
.badge-error          { background: var(--red-100);              color: var(--red-700);   border-color: var(--red-100); }
.badge-neutral        { background: var(--neutral-100);          color: var(--neutral-600); border-color: var(--neutral-200); }
.badge-info           { background: var(--blue-50);              color: var(--blue-700);  border-color: var(--blue-100); }
.badge-outline        { background: transparent; color: var(--color-text-secondary); border-color: var(--color-border-strong); }

/* ============================================================
   PRICING CARD
   ============================================================ */
.pricing-card {
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-xl);
  padding: 28px;
  flex: 1;
  min-width: 240px;
  max-width: 300px;
  box-shadow: 0 0 0 4px var(--blue-50), var(--shadow-lg);
  position: relative;
}

.pricing-header { margin-bottom: 24px; }

.pricing-tier {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  background: var(--color-primary-subtle);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: 12px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}

.price-amount {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: -0.04em;
}

.price-period {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.pricing-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.pricing-features li svg {
  color: var(--color-success);
  flex-shrink: 0;
}

/* ============================================================
   NOTIFICATIONS
   ============================================================ */
.notif-stack {
  flex: 1;
  min-width: 260px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.notif-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: 8px;
  position: relative;
  transition: box-shadow var(--transition-fast);
}
.notif-card:hover { box-shadow: var(--shadow-sm); }
.notif-card.unread { background: var(--blue-50); border-color: var(--blue-100); }

.notif-dot {
  position: absolute;
  top: 16px;
  right: 14px;
  width: 7px;
  height: 7px;
  background: var(--color-primary);
  border-radius: 50%;
}

.notif-avatar {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}
.notif-avatar.blue  { background: var(--blue-100);    color: var(--blue-700); }
.notif-avatar.teal  { background: var(--green-100);   color: var(--green-700); }
.notif-avatar.muted { background: var(--neutral-100); color: var(--neutral-500); }

.notif-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
  min-width: 0;
}

.notif-text {
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  line-height: 1.4;
}

.notif-time {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ============================================================
   STAT CARDS
   ============================================================ */
.stats-stack {
  flex: 1;
  min-width: 220px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  transition: box-shadow var(--transition-fast);
}
.stat-card:hover { box-shadow: var(--shadow-sm); }

.stat-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.stat-icon.primary { background: var(--blue-100);   color: var(--blue-600); }
.stat-icon.success { background: var(--green-100);  color: var(--green-600); }
.stat-icon.warning { background: var(--amber-100);  color: var(--amber-600); }

.stat-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-value {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.stat-delta {
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 3px 7px;
  border-radius: var(--radius-full);
}
.stat-delta.positive { background: var(--green-100); color: var(--green-700); }
.stat-delta.negative { background: var(--red-100);   color: var(--red-700); }

/* ============================================================
   TYPOGRAPHY ON COLOR
   ============================================================ */
.type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.type-card {
  border-radius: var(--radius-xl);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid var(--color-border);
}

.type-card.on-white   { background: var(--color-surface); }
.type-card.on-subtle  { background: var(--blue-50); border-color: var(--blue-100); }
.type-card.on-primary { background: var(--color-primary); border-color: var(--blue-600); }
.type-card.on-dark    { background: var(--neutral-900); border-color: var(--neutral-700); }

.type-surface-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.type-h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.type-body {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.type-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-link);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .sidebar { display: none; }
  .main { padding: 0 20px 60px; }
  .page-header { flex-direction: column; }
  .component-row { flex-direction: column; }
  .swatch-row { gap: 4px; }
  .swatch { min-width: 60px; height: 64px; }
}