/* ═══════════════════════════════════════════════════
   NORBIELINK DESIGN SYSTEM — Shared Layout (M3 Style)
   Color: Light / Purple primary / Teal accent
   ═══════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/icon?family=Material+Icons+Round');
/* Material Symbols Outlined — weight 300 (thin/light style) */
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200');

/* Usage: <span class="material-symbols-outlined ms-300">icon_name</span>
   Weight axis: 300 = thin/light. Change 'wght' value to 100–700 as needed. */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 24;
}

/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* ── PURPLE — Primary / Brand ── */
  --purple-50:  #F5F0FF;
  --purple-100: #EDE5FF;
  --purple-200: #DDD0FF;
  --purple-300: #C4ADFF;
  --purple-400: #A97EF5;
  --purple-500: #A614C3;
  --purple-600: #8B10A6;
  --purple-700: #5C2ED4;
  --purple-800: #4520A8;
  --purple-900: #2D1578;
  --primary-gradient: linear-gradient(90deg, #5C2ED4 0%, #A614C3 65%);
  --primary-gradient-dark: radial-gradient(171.32% 99.33% at 33.13% -9%, #282550 0%, #191735 55.82%, rgba(0,0,0,0.3) 74%, rgba(0,0,0,0) 100%), linear-gradient(88.34deg, #5C2ED4 0.11%, #A614C3 63.8%);

  /* ── TEAL — Accent only ── */
  --teal-50:  #E6F9F7;
  --teal-100: #C2EDE8;
  --teal-200: #9AE0D9;
  --teal-300: #6FD2C9;
  --teal-400: #4ECDC4;
  --teal-500: #4ECDC4;
  --teal-600: #2D9B8A;
  --teal-700: #74C3B7;
  --teal-800: #007D6E;
  --teal-900: #005F54;

  /* ── NEUTRALS (gray with subtle green tint) ── */
  --gray-50:  #F6F8F7;
  --gray-100: #EEF2F0;
  --gray-200: #DCE4E1;
  --gray-300: #C1CECC;
  --gray-400: #9AACAA;
  --gray-500: #728886;
  --gray-600: #536563;
  --gray-700: #3A4F4D;
  --gray-800: #253835;
  --gray-900: #141F1E;

  /* ── SEMANTIC ── */
  --success: #1D9E6B;
  --warning: #E6A817;
  --error:   #C0392B;
  --info:    #2980B9;

  /* ── DARK SURFACES ── */
  --dark-bg:      #0F1120;
  --dark-surface: #191D35;
  --dark-raised:  #27272a;

  /* ── LAYOUT ── */
  --nav-width:    88px;
  --subnav-width: 196px;
  --toc-width:    220px;
  --content-max:  900px;

  /* ── PAGE / SURFACE ── */
  --page-bg:     #FFFFFF;
  --nav-bg:      #FFFFFF;
  --surface-container-lowest: #FFFFFF;
  --surface-container-low:    #F0F4F3;
  --surface-container:        #EAF0EE;
  --surface-container-high:   #E1E9E7;
  --surface-container-highest:#D8E4E2;

  /* ── TYPOGRAPHY ── */
  --font: 'Montserrat', system-ui, sans-serif;
  font-family: var(--font);
  font-size: 14px;
  color: var(--gray-900);
  background: var(--page-bg);
}

body { background: var(--page-bg); overflow-x: hidden; }

/* ─── PAGE SHELL ─── */
.ds-shell {
  display: flex;
  min-height: 100vh;
  width: 100%;
  background: #FFFFFF;
}

/* ════════════════════════════════════════════════════════
   LEFT NAV — M3 Navigation Rail (88px compact)
   ════════════════════════════════════════════════════════ */
.ds-nav {
  width: 88px;
  min-width: 88px;
  flex-shrink: 0;
  background: #f3f4f6;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0 16px;
  gap: 0;
}

/* Search button at top */
.ds-nav-search {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: rgba(166, 20, 195, 0.10);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px; cursor: pointer; flex-shrink: 0;
}
.ds-nav-search .material-icons-round {
  font-size: 24px; color: var(--gray-700);
}

/* Each nav item: icon pill + label stacked */
.ds-nav-item {
  display: flex; flex-direction: column;
  align-items: center; gap: 4px;
  padding: 6px 2px; width: 80px;
  border-radius: 4px; text-decoration: none;
  color: var(--gray-700); cursor: pointer;
  margin-bottom: 2px; transition: background 0.12s;
}
.ds-nav-item:hover { background: rgba(0,0,0,0.04); text-decoration: none; }

/* Icon pill */
.ds-nav-pill {
  width: 56px; height: 32px;
  border-radius: 100px;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s;
}
.ds-nav-pill .material-icons-round {
  font-size: 22px; color: var(--gray-600);
}

/* Active state — purple gradient pill */
.ds-nav-item.active .ds-nav-pill {
  background: linear-gradient(90deg, #5C2ED4 0%, #A614C3 65%);
  box-shadow: 0 0 8px rgba(166,20,195,0.35);
}
.ds-nav-item.active .ds-nav-pill .material-icons-round {
  color: #ffffff;
}

/* Label below icon */
.ds-nav-label {
  font-size: 12px; font-weight: 400;
  color: #21182b; text-align: center;
  font-family: var(--font);
  letter-spacing: 0.1px; line-height: 1.2;
}

/* Pushes Blog to bottom */
.ds-nav-spacer { flex: 1; min-height: 16px; }

/* Bottom icon-only buttons (grid_view + dark_mode) */
.ds-nav-bottom-icons {
  display: flex; flex-direction: column;
  align-items: center; gap: 4px;
  padding-bottom: 8px; flex-shrink: 0;
}
.ds-nav-icon-btn {
  width: 40px; height: 40px; border-radius: 50%;
  border: none; background: transparent; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s;
}
.ds-nav-icon-btn:hover { background: rgba(0,0,0,0.06); }
.ds-nav-icon-btn .material-icons-round { font-size: 22px; color: var(--gray-600); }
.ds-nav-icon-btn.active .material-icons-round { color: #A614C3; }

/* ════════════════════════════════════════════════════════
   SECONDARY SUB-NAV PANEL (196px, left of main content)
   ════════════════════════════════════════════════════════ */
.ds-subnav {
  width: var(--subnav-width);
  min-width: var(--subnav-width);
  flex-shrink: 0;
  background: #ffffff;
  position: fixed;
  top: 0; left: var(--nav-width); bottom: 0;
  border-right: 1px solid var(--gray-100);
  z-index: 9;
  display: flex; flex-direction: column;
  padding: 24px 0 16px;
  overflow-y: auto;
}

.ds-subnav-title {
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--gray-400); padding: 0 16px 12px;
}

.ds-subnav-item {
  display: flex; align-items: center;
  padding: 9px 16px; font-size: 13px; font-weight: 500;
  color: var(--gray-600); text-decoration: none;
  border-radius: 0; transition: background 0.12s, color 0.12s;
  margin: 1px 8px; border-radius: 8px;
}
.ds-subnav-item:hover {
  background: var(--gray-50); color: var(--gray-900);
  text-decoration: none;
}
.ds-subnav-item.active {
  background: rgba(166,20,195,0.08);
  color: #A614C3; font-weight: 600;
}

/* ─── MAIN CONTENT ─── */
.ds-main {
  flex: 1;
  margin-left: calc(var(--nav-width) + var(--subnav-width));
  margin-right: var(--toc-width);
  min-height: 100vh;
}

/* ─── No subnav: hide panel + collapse margin ─── */
.no-subnav .ds-subnav { display: none; }
.no-subnav .ds-main   { margin-left: var(--nav-width); }

.ds-content {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 48px 40px 80px;
}

/* ─── RIGHT TOC ─── */
.ds-toc {
  width: var(--toc-width);
  flex-shrink: 0;
  position: fixed; top: 0; right: 0; bottom: 0;
  padding: 56px 20px 20px;
  overflow-y: auto;
}

.ds-toc-title {
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--gray-400); margin-bottom: 12px;
}

.ds-toc-item {
  display: block; font-size: 13px;
  color: var(--gray-500);
  padding: 5px 0 5px 12px;
  border-left: 2px solid var(--gray-200);
  text-decoration: none; line-height: 1.4;
}
.ds-toc-item:hover { color: #A614C3; border-left-color: rgba(166,20,195,0.4); text-decoration: none; }
.ds-toc-item.active {
  color: #A614C3;
  border-left-color: #A614C3;
  font-weight: 600;
}

/* ─── PAGE HEADER ─── */
.ds-breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--gray-400); margin-bottom: 16px;
}
.ds-breadcrumb a { color: #A614C3; text-decoration: none; font-weight: 500; }
.ds-breadcrumb-sep { color: var(--gray-300); }

.ds-page-title {
  font-size: 45px; font-weight: 700;
  color: var(--gray-900); line-height: 1.1;
  letter-spacing: -0.02em; margin-bottom: 16px;
}

.ds-page-desc {
  font-size: 16px; font-weight: 400;
  color: var(--gray-500); line-height: 1.6;
  max-width: 640px; margin-bottom: 48px;
}

/* ─── SECTION BLOCKS ─── */
.ds-section { margin-bottom: 64px; }

.ds-section-title {
  font-size: 24px; font-weight: 600;
  color: var(--gray-900); margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.ds-section-desc {
  font-size: 14px; color: var(--gray-500);
  line-height: 1.6; margin-bottom: 24px; max-width: 600px;
}

.ds-subsection-title {
  font-size: 16px; font-weight: 600;
  color: var(--gray-800); margin-bottom: 6px; margin-top: 32px;
}

/* ─── EXAMPLE CONTAINERS ─── */
.ds-example {
  background: #f8f9fa;
  border-radius: 16px; padding: 40px; margin-bottom: 24px;
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 16px; min-height: 120px;
}
.ds-example.dark-bg { background: var(--dark-bg); }
.ds-example.grid-3 {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 24px; align-items: start; justify-items: center;
}
.ds-example.grid-2 {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 24px; align-items: start;
}
.ds-example.align-start { align-items: flex-start; justify-content: flex-start; }

/* Image placeholder */
.img-placeholder {
  background: var(--gray-100);
  border: 2px dashed var(--gray-300);
  border-radius: 12px; min-height: 220px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 10px; color: var(--gray-400);
  font-size: 13px; font-weight: 500;
}
.img-placeholder .ph-icon {
  font-family: 'Material Icons Round';
  font-size: 40px; color: var(--gray-300);
}

/* ─── SPEC / TOKEN TABLE ─── */
.ds-table-wrap {
  background: white; border-radius: 12px;
  overflow: hidden; border: 1px solid var(--gray-200);
}

.ds-table { width: 100%; border-collapse: collapse; }

.ds-table th {
  background: var(--gray-50); font-size: 11px;
  font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--gray-400); padding: 12px 16px;
  text-align: left; border-bottom: 1px solid var(--gray-200);
}

.ds-table td {
  font-size: 13px; color: var(--gray-700);
  padding: 12px 16px; border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
}

.ds-table tr:last-child td { border-bottom: none; }
.ds-table tr:hover td { background: var(--gray-50); }

.ds-table code {
  font-family: 'Courier New', monospace; font-size: 12px;
  background: rgba(166,20,195,0.07); padding: 2px 7px;
  border-radius: 4px; color: #A614C3;
}

/* ─── DIVIDER ─── */
.ds-divider { height: 1px; background: var(--gray-200); margin: 56px 0; }

/* ─── CHIP / TAG ─── */
.ds-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 20px;
  font-size: 12px; font-weight: 600;
  border: 1.5px solid var(--gray-300);
  color: var(--gray-600); background: white;
}

.ds-label-tag {
  display: inline-block; font-size: 11px; font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase;
  color: #A614C3; background: rgba(166,20,195,0.08);
  padding: 3px 10px; border-radius: 20px; margin-bottom: 8px;
}

/* ─── COLOR SWATCH ─── */
.m3-swatch-row {
  display: flex; gap: 0; border-radius: 16px;
  overflow: hidden; height: 80px; margin-bottom: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.m3-swatch {
  flex: 1; display: flex; flex-direction: column;
  justify-content: flex-end; padding: 8px 10px;
}
.m3-swatch-name { font-size: 10px; font-weight: 700; line-height: 1.2; }
.m3-swatch-hex { font-size: 9px; font-weight: 400; opacity: 0.8; font-family: monospace; }

/* ─── BADGE ─── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.03em;
}
.badge-pro       { border: 1.5px solid #74C3B7; color: #74C3B7; background: transparent; }
.badge-success   { background: rgba(29,158,107,0.12); color: #1D9E6B; }
.badge-warning   { background: rgba(230,168,23,0.12); color: #B87A00; }
.badge-error     { background: rgba(192,57,43,0.12); color: #C0392B; }
.badge-neutral   { background: var(--gray-100); color: var(--gray-500); }
.badge-info      { background: rgba(41,128,185,0.12); color: #2980B9; }

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; font-family: var(--font); font-weight: 400;
  border: none; cursor: pointer; text-decoration: none;
  transition: opacity 0.15s, filter 0.15s;
  white-space: nowrap;
}
/* Primary button — purple→magenta gradient */
.btn-primary {
  background: linear-gradient(90deg, #5C2ED4 0%, #A614C3 65%);
  color: white;
  border-radius: 10px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(166,20,195,0.25);
}
.btn-primary:hover {
  filter: brightness(1.10);
}
.btn-primary:disabled, .btn-primary.inactive {
  opacity: 0.5; cursor: not-allowed;
}
.btn-md { padding: 9px 18px; font-size: 13px; border-radius: 10px; }
.btn-sm { padding: 7px 13px; font-size: 12px; border-radius: 8px; }

/* Aliases */
.btn-filled-teal {
  background: linear-gradient(90deg, #5C2ED4 0%, #A614C3 65%);
  color: white; border-radius: 10px; padding: 9px 18px;
  font-size: 13px; font-weight: 600;
  box-shadow: 0 4px 14px rgba(166,20,195,0.25);
}
.btn-filled-teal:hover { filter: brightness(1.10); }

/* Dark mode primary — with radial overlay */
body.dark-mode .btn-primary,
body.dark-mode .btn-filled-teal {
  background: radial-gradient(171.32% 99.33% at 33.13% -9%, #282550 0%, #191735 55.82%, rgba(0,0,0,0.3) 74%, rgba(0,0,0,0) 100%), linear-gradient(88.34deg, #5C2ED4 0.11%, #A614C3 63.8%);
  box-shadow: 0 4px 14px rgba(166,20,195,0.35);
}
body.dark-mode .btn-primary:hover,
body.dark-mode .btn-filled-teal:hover { filter: brightness(1.08); }

/* Purple button */
.btn-filled-purple {
  background: linear-gradient(90deg, #5C2ED4 0%, #A614C3 65%);
  color: white; border-radius: 10px; padding: 9px 18px; font-size: 13px; font-weight: 600;
  box-shadow: 0 4px 14px rgba(166,20,195,0.25);
}
.btn-tonal         { background: rgba(166,20,195,0.08); color: #A614C3; border-radius: 10px; padding: 10px 20px; font-size: 14px; font-weight: 600; }
.btn-outlined      { background: transparent; border: 1px solid #E5E7EB; color: var(--gray-700); border-radius: 10px; padding: 9px 18px; font-size: 13px; font-weight: 600; }
.btn-text          { background: transparent; color: #A614C3; padding: 9px 12px; font-size: 13px; font-weight: 600; border-radius: 10px; }
.btn-elevated      { background: white; color: #A614C3; box-shadow: 0 1px 3px rgba(0,0,0,.15); border-radius: 10px; padding: 9px 18px; font-size: 13px; font-weight: 600; }
.btn-disabled      { background: var(--gray-100); color: var(--gray-400); cursor: not-allowed; border-radius: 10px; padding: 9px 18px; font-size: 13px; }

/* ─── INPUT ─── */
.ds-input {
  font-family: var(--font); font-size: 14px;
  padding: 12px 16px; border-radius: 4px 4px 0 0;
  border: none; border-bottom: 1.5px solid var(--gray-300);
  background: var(--gray-100); color: var(--gray-900);
  outline: none; width: 100%;
}
.ds-input.focused {
  border-bottom: 2px solid #A614C3;
  background: rgba(166,20,195,0.04);
}
.ds-input-outlined {
  font-family: var(--font); font-size: 13px;
  padding: 10px 14px; border-radius: 10px;
  border: 1px solid #E5E7EB;
  background: white; color: var(--gray-900);
  outline: none; width: 100%;
}
.ds-input-outlined.focused {
  border-color: #A614C3;
  box-shadow: 0 0 0 2px rgba(92,46,212,0.15);
}

/* ─── NAV DEMO (sidebar in Components/Nav page) ─── */
.demo-sidebar {
  width: 220px; background: #191D35;
  border-radius: 16px; padding: 20px 0;
  min-height: 480px; position: relative; overflow: hidden;
}
.demo-nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; margin: 2px 8px; border-radius: 50px;
  font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.65); cursor: pointer;
}
.demo-nav-item.active {
  background: linear-gradient(88.09deg, #5C2ED4 0.11%, #A614C3 63.8%);
  color: white; font-weight: 600;
}

/* ─── CARD ─── */
.ds-card {
  background: white; border-radius: 12px;
  padding: 20px; border: 1px solid var(--gray-200);
}

/* ─── SWITCH ─── */
.ds-switch {
  width: 52px; height: 32px; border-radius: 16px;
  position: relative; cursor: pointer;
  display: inline-flex; align-items: center;
}
.ds-switch.on { background: #E8622A; }
.ds-switch.off { background: var(--gray-300); }
.ds-switch-thumb {
  width: 24px; height: 24px; border-radius: 50%;
  background: white; position: absolute;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2); transition: transform 0.2s;
}
.ds-switch.on .ds-switch-thumb { transform: translateX(24px); }
.ds-switch.off .ds-switch-thumb { transform: translateX(4px); }

/* ─── TAB ─── */
.ds-tabs { display: flex; border-bottom: 1px solid var(--gray-200); }
.ds-tab {
  padding: 12px 24px; font-size: 14px; font-weight: 600;
  color: var(--gray-400); cursor: pointer;
  border-bottom: 3px solid transparent; margin-bottom: -1px;
}
.ds-tab.active { color: #A614C3; border-bottom-color: #A614C3; }

/* ════════════════════════════════════════════════════════
   DARK MODE — hide/show dark examples + full dark theme
   ════════════════════════════════════════════════════════
   Figma reference: node 3791-77157
   Dark surfaces:  #09090b → #18181b → #27272a
   Primary accent: linear-gradient(88.09deg, #5C2ED4 0.11%, #A614C3 63.8%)
   Active border:  #5C2ED4  |  Glow: 0 0 13px rgba(110,33,196,0.82)
   Default border: rgba(255,255,255,0.08)
   ════════════════════════════════════════════════════════ */

/* dark-bg variants: always hidden — we no longer use separate dark sections */
.ds-example.dark-bg { display: none !important; }
.ds-preview-pane.dark-bg-pane { display: none !important; }

/* ── Theme-conditional sections ── */
/* .ds-dark-only  — visible only in dark mode */
/* .ds-light-only — visible only in light mode */
.ds-dark-only  { display: none !important; }
.ds-light-only { display: block; }
body.dark-mode .ds-dark-only  { display: block !important; }
body.dark-mode .ds-light-only { display: none !important; }

/* ── Dark mode base — redefine ALL CSS vars so inline styles auto-adapt ── */
body.dark-mode {
  background: #0F1120;
  color: rgba(255,255,255,0.85);

  /* Gray scale → neutral whites */
  --gray-50:  #191D35;
  --gray-100: #27272a;
  --gray-200: rgba(255,255,255,0.08);
  --gray-300: rgba(255,255,255,0.12);
  --gray-400: rgba(255,255,255,0.35);
  --gray-500: rgba(255,255,255,0.50);
  --gray-600: rgba(255,255,255,0.60);
  --gray-700: rgba(255,255,255,0.70);
  --gray-800: rgba(255,255,255,0.85);
  --gray-900: rgba(255,255,255,0.95);

  /* Surface tokens */
  --surface-container-lowest: #0F1120;
  --surface-container-low:    #191D35;
  --surface-container:        #27272a;
  --surface-container-high:   #3f3f46;
  --surface-container-highest:#52525b;
}
/* ── Override hardcoded white/light backgrounds on ALL component demos ── */
body.dark-mode .pair-card,
body.dark-mode .grid-demo,
body.dark-mode .usage-block,
body.dark-mode .inset-demo,
body.dark-mode .feature-card,
body.dark-mode .info-card,
body.dark-mode .role-info,
body.dark-mode .tab-demo,
body.dark-mode .table-wrap,
body.dark-mode .tile,
body.dark-mode .header-bar,
body.dark-mode .toolbar-search,
body.dark-mode .select-sm,
body.dark-mode .sidebar-avatar,
/* Elevation */
body.dark-mode .elev-card,
/* Accordion / Collapsible */
body.dark-mode .acc-wrap,
body.dark-mode .coll-trigger,
/* Alert Dialog */
body.dark-mode .adlg,
/* Button Group */
body.dark-mode .btn-grp-item,
/* Calendar */
body.dark-mode .cal,
/* Combobox */
body.dark-mode .cmb-trigger,
body.dark-mode .cmb-dropdown,
/* Command */
body.dark-mode .cmd,
/* Context Menu */
body.dark-mode .ctx-menu,
/* Date Picker */
body.dark-mode .dp-input,
body.dark-mode .dp-popup,
/* Drawer */
body.dark-mode .drw-panel,
/* Dropdown */
body.dark-mode .dd-trigger,
body.dark-mode .dd-menu,
/* Hover Card */
body.dark-mode .hc-card,
/* Navigation demos */
body.dark-mode .mini-frame,
body.dark-mode .nav-demo-wrap,
/* Select / Sheet / Popover */
body.dark-mode .sh-panel,
body.dark-mode .pop-card,
body.dark-mode .sel-trigger,
body.dark-mode .sel-dropdown,
/* Scroll area */
body.dark-mode .scr-box,
/* Resizable */
body.dark-mode .res-panel,
/* Toggle */
body.dark-mode .tog-group {
  background: #191D35 !important;
  border-color: rgba(255,255,255,0.08) !important;
  color: rgba(255,255,255,0.85) !important;
}
/* Nested items inside demo containers */
body.dark-mode .btn-grp-item { border-right-color: rgba(255,255,255,0.08) !important; }
body.dark-mode .cmb-item:hover,
body.dark-mode .dd-item:hover,
body.dark-mode .ctx-item:hover,
body.dark-mode .sel-item:hover { background: rgba(255,255,255,0.06) !important; }
body.dark-mode .ctx-item { color: rgba(255,255,255,0.75) !important; }
body.dark-mode .ctx-item .material-icons-round { color: rgba(255,255,255,0.35) !important; }
body.dark-mode .ctx-item kbd { color: rgba(255,255,255,0.28) !important; }
body.dark-mode .ctx-sep { background: rgba(255,255,255,0.07) !important; }
/* Combobox child elements */
body.dark-mode .cmb-trigger { color: rgba(255,255,255,0.85) !important; border-color: rgba(255,255,255,0.14) !important; }
body.dark-mode .cmb-trigger .material-icons-round { color: rgba(255,255,255,0.38) !important; }
body.dark-mode .cmb-search { border-bottom-color: rgba(255,255,255,0.08) !important; }
body.dark-mode .cmb-search input { color: rgba(255,255,255,0.85) !important; background: transparent !important; }
body.dark-mode .cmb-search input::placeholder { color: rgba(255,255,255,0.28) !important; }
body.dark-mode .cmb-search .material-icons-round { color: rgba(255,255,255,0.35) !important; }
body.dark-mode .cmb-option { color: rgba(255,255,255,0.75) !important; }
body.dark-mode .cmb-option:hover { background: rgba(255,255,255,0.07) !important; }
body.dark-mode .cmb-option.selected { color: rgba(255,255,255,0.95) !important; font-weight: 700; }
/* ── Breadcrumb component dark mode ── */
body.dark-mode .bc-item { color: rgba(255,255,255,0.50) !important; }
body.dark-mode .bc-item:hover { color: rgba(255,255,255,0.90) !important; }
body.dark-mode .bc-item.active { color: rgba(255,255,255,0.90) !important; font-weight: 600; }
body.dark-mode .bc-sep { color: rgba(255,255,255,0.22) !important; }
body.dark-mode .bc-ellipsis { background: rgba(255,255,255,0.08) !important; }
body.dark-mode .bc-ellipsis .material-icons-round { color: rgba(255,255,255,0.50) !important; }
/* ── Calendar component dark mode ── */
body.dark-mode .cal { background: #191D35 !important; border-color: rgba(255,255,255,0.08) !important; }
body.dark-mode .cal-header { border-bottom-color: rgba(255,255,255,0.08) !important; }
body.dark-mode .cal-title { color: rgba(255,255,255,0.90) !important; }
body.dark-mode .cal-nav-btn { background: rgba(255,255,255,0.07) !important; border: none !important; }
body.dark-mode .cal-nav-btn .material-icons-round { color: rgba(255,255,255,0.55) !important; }
body.dark-mode .cal-day-label { color: rgba(255,255,255,0.28) !important; }
body.dark-mode .cal-day { color: rgba(255,255,255,0.70) !important; }
body.dark-mode .cal-day:hover { background: rgba(255,255,255,0.06) !important; }
body.dark-mode .cal-day.today { background: rgba(255,255,255,0.10) !important; color: rgba(255,255,255,0.92) !important; }
body.dark-mode .cal-day.selected { background: linear-gradient(90deg,#5C2ED4 0%,#A614C3 65%) !important; color: #fff !important; }
body.dark-mode .cal-day.other-month { color: rgba(255,255,255,0.15) !important; }
/* ── Collapsible component dark mode ── */
body.dark-mode .coll { border-color: rgba(255,255,255,0.08) !important; }
body.dark-mode .coll-trigger { color: rgba(255,255,255,0.85) !important; border-bottom-color: rgba(255,255,255,0.08) !important; }
body.dark-mode .coll-trigger .material-icons-round { color: rgba(255,255,255,0.32) !important; }
body.dark-mode .coll.open .coll-trigger .material-icons-round { color: #C084FC !important; }
body.dark-mode .coll-text { color: rgba(255,255,255,0.50) !important; }
/* Alert component dark mode — increase background opacity + brighten warning */
body.dark-mode .alert-info    { background: rgba(41,128,185,0.15) !important; }
body.dark-mode .alert-success { background: rgba(29,158,107,0.15) !important; }
body.dark-mode .alert-warning { background: rgba(230,168,23,0.15) !important; }
body.dark-mode .alert-error   { background: rgba(192,57,43,0.15) !important; }
body.dark-mode .alert-warning .alert-icon,
body.dark-mode .alert-warning .alert-title,
body.dark-mode .alert-warning .alert-desc { color: #E6A817 !important; }
/* Alert Dialog dark mode */
body.dark-mode .adlg-overlay { background: transparent !important; }
body.dark-mode .adlg-title { color: rgba(255,255,255,0.92) !important; }
body.dark-mode .adlg-desc { color: rgba(255,255,255,0.55) !important; }
body.dark-mode .adlg-btn.cancel { background: rgba(255,255,255,0.08) !important; color: rgba(255,255,255,0.72) !important; }
body.dark-mode .adlg-btn.confirm { background: rgba(255,255,255,0.12) !important; color: rgba(255,255,255,0.95) !important; }
body.dark-mode .adlg-btn.danger { background: #c0392b !important; color: #fff !important; }
/* Accordion header — broader rule covers flush variant (not inside .acc-wrap) */
body.dark-mode .acc-header { color: rgba(255,255,255,0.85) !important; }
body.dark-mode .acc-wrap .acc-header { color: rgba(255,255,255,0.85) !important; }
body.dark-mode .acc-wrap .acc-body   { color: rgba(255,255,255,0.55) !important; }
/* Flush accordion inline border overrides */
body.dark-mode .ds-content [style*="border-top:1px solid #EEF2F0"],
body.dark-mode .ds-content [style*="border-bottom:1px solid #EEF2F0"],
body.dark-mode .ds-content [style*="border:1px solid #EEF2F0"] { border-color: rgba(255,255,255,0.08) !important; }
/* Context menu right-click area dark mode */
body.dark-mode .ctx-area { background: #1c1c1f !important; border-color: rgba(255,255,255,0.1) !important; color: rgba(255,255,255,0.25) !important; }
/* Button Group outer border dark mode */
body.dark-mode .btn-grp { border-color: rgba(255,255,255,0.08) !important; }
body.dark-mode .btn-grp-item.active { background: linear-gradient(90deg,#5C2ED4 0%,#A614C3 65%) !important; color: #fff !important; border-right-color: transparent !important; }
body.dark-mode .acc-wrap .acc-item   { border-bottom-color: rgba(255,255,255,0.08) !important; }
body.dark-mode .cal .cal-day:hover   { background: rgba(255,255,255,0.06) !important; }
/* Inputs, anatomy, annotations */
body.dark-mode .anno { background: #27272a !important; border-color: rgba(255,255,255,0.1) !important; color: rgba(255,255,255,0.85) !important; }
body.dark-mode .anatomy-btn,
body.dark-mode .toolbar-btn { background: #27272a !important; }
/* White-bg active states */
body.dark-mode .c-item.active,
body.dark-mode .s-item.active { background: rgba(255,255,255,0.09) !important; }
body.dark-mode .page-btn { background: #27272a !important; border-color: rgba(255,255,255,0.08) !important; }
body.dark-mode .page-btn.active { background: rgba(255,255,255,0.12) !important; }
/* Table elements */
body.dark-mode .table-gridth { background: #191D35 !important; }
body.dark-mode .table-footer { background: #0F1120 !important; border-color: rgba(255,255,255,0.06) !important; }
body.dark-mode .mini-thumb { background: #27272a !important; }
/* Dropdown/menu popup white bg (inline style — use JS override in ds-shared.js) */
body.dark-mode .ds-shell { background: #0F1120; }
/* Typography elements section */
body.dark-mode .ty-elem-row { border-color: rgba(255,255,255,0.06) !important; }

/* ── Navigation rail ── */
body.dark-mode .ds-nav {
  background: #191D35;
  border-right: 1px solid rgba(255,255,255,0.07);
}
body.dark-mode .ds-nav-search {
  background: rgba(166,20,195,0.15);
}
body.dark-mode .ds-nav-search .material-icons-round { color: rgba(255,255,255,0.5); }
body.dark-mode .ds-nav-item { color: rgba(255,255,255,0.6); }
body.dark-mode .ds-nav-item:hover { background: rgba(255,255,255,0.05); }
/* Active pill uses purple→magenta gradient */
body.dark-mode .ds-nav-item.active .ds-nav-pill {
  background: linear-gradient(88.09deg, #5C2ED4 0.11%, #A614C3 63.8%);
  box-shadow: 0 0 10px rgba(110,33,196,0.55);
}
body.dark-mode .ds-nav-item.active .ds-nav-pill .material-icons-round { color: white; }
body.dark-mode .ds-nav-pill .material-icons-round { color: rgba(255,255,255,0.5); }
body.dark-mode .ds-nav-label { color: rgba(255,255,255,0.6); }
body.dark-mode .ds-nav-icon-btn .material-icons-round { color: rgba(255,255,255,0.45); }
body.dark-mode .ds-nav-icon-btn:hover { background: rgba(255,255,255,0.07); }
body.dark-mode .ds-nav-icon-btn.active .material-icons-round { color: rgba(255,255,255,0.9); }

/* ── Secondary subnav panel ── */
body.dark-mode .ds-subnav {
  background: #191D35;
  border-right: 1px solid rgba(255,255,255,0.07);
}
body.dark-mode .ds-subnav-title { color: rgba(255,255,255,0.3); }
body.dark-mode .ds-subnav-item { color: rgba(255,255,255,0.55); }
body.dark-mode .ds-subnav-item:hover { background: rgba(255,255,255,0.05); color: rgba(255,255,255,0.85); text-decoration: none; }
body.dark-mode .ds-subnav-item.active {
  background: rgba(166,20,195,0.12);
  color: #C084FC; font-weight: 600;
}

/* ── Typography ── */
body.dark-mode .ds-page-title     { color: rgba(255,255,255,0.95); }
body.dark-mode .ds-page-desc      { color: rgba(255,255,255,0.62); }
body.dark-mode .ds-section-title  { color: rgba(255,255,255,0.90); }
body.dark-mode .ds-section-desc   { color: rgba(255,255,255,0.62); }
body.dark-mode .ds-subsection-title { color: rgba(255,255,255,0.80); }
body.dark-mode .ds-breadcrumb     { color: rgba(255,255,255,0.50); }
body.dark-mode .ds-breadcrumb a   { color: rgba(255,255,255,0.75); }
body.dark-mode .ds-breadcrumb-sep { color: rgba(255,255,255,0.30); }

/* ── Right TOC ── */
body.dark-mode .ds-toc { background: #0F1120; }
body.dark-mode .ds-toc-title { color: rgba(255,255,255,0.38); }
body.dark-mode .ds-toc-item { color: rgba(255,255,255,0.55); border-left-color: rgba(255,255,255,0.10); }
body.dark-mode .ds-toc-item:hover { color: #C084FC; border-left-color: rgba(166,20,195,0.5); text-decoration: none; }
body.dark-mode .ds-toc-item.active { color: #C084FC; border-left-color: #A614C3; font-weight: 600; }

/* ── Example containers ── */
body.dark-mode .ds-example { background: #191D35; border-radius: 16px; }
/* Override inline background:white on .ds-example in dark mode */
body.dark-mode .ds-example[style*="background:white"],
body.dark-mode .ds-example[style*="background: white"],
body.dark-mode .ds-example[style*="background:#fff"],
body.dark-mode .ds-example[style*="background: #fff"],
body.dark-mode .ds-example[style*="background:#ffffff"] { background: #191D35 !important; }
/* dark-bg is always hidden now — no separate dark sections */
body.dark-mode .ds-example.dark-bg { display: none !important; }

/* ── Divider ── */
body.dark-mode .ds-divider { background: rgba(255,255,255,0.07); }

/* ── Tables ── */
body.dark-mode .ds-table-wrap { background: transparent; border-color: rgba(255,255,255,0.10); }
body.dark-mode .ds-table th { background: #191D35; color: rgba(255,255,255,0.75); border-bottom-color: rgba(255,255,255,0.12); letter-spacing: 0.09em; }
body.dark-mode .ds-table td { color: rgba(255,255,255,0.85); border-bottom-color: rgba(255,255,255,0.08); }
body.dark-mode .ds-table tr:hover td { background: rgba(255,255,255,0.04); }
body.dark-mode .ds-table tr:last-child td { border-bottom: none; }
body.dark-mode .ds-table tr:hover td { background: rgba(255,255,255,0.04); }
body.dark-mode .ds-table code { background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.85); }

/* ── Status table demo (badges page) ── */
body.dark-mode .status-table-demo { border-color: rgba(255,255,255,0.10) !important; }
body.dark-mode .std-header { background: #191D35 !important; border-bottom-color: rgba(255,255,255,0.10) !important; }
body.dark-mode .std-th { color: rgba(255,255,255,0.45) !important; }
body.dark-mode .std-row { border-bottom-color: rgba(255,255,255,0.06) !important; }
body.dark-mode .std-td { color: rgba(255,255,255,0.80) !important; }

/* ── Cards & chips ── */
body.dark-mode .ds-card {
  background: #27272a;
  border: 1px solid rgba(255,255,255,0.08);
}
body.dark-mode .ds-card:hover {
  border-color: rgba(255,255,255,0.2);
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
body.dark-mode .ds-chip { background: #27272a; border-color: rgba(255,255,255,0.1); color: rgba(255,255,255,0.6); }
body.dark-mode .ds-label-tag { background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.85); }

/* ── Inputs ── */
body.dark-mode .ds-input { background: #191D35; color: rgba(255,255,255,0.85); border-bottom-color: rgba(255,255,255,0.12); }
body.dark-mode .ds-input.focused { background: rgba(255,255,255,0.05); border-bottom-color: rgba(255,255,255,0.5); }
body.dark-mode .ds-input-outlined { background: #191D35; color: rgba(255,255,255,0.85); border-color: rgba(255,255,255,0.12); }
body.dark-mode .ds-input-outlined.focused { border-color: rgba(255,255,255,0.4); box-shadow: 0 0 0 2px rgba(255,255,255,0.06); }

/* ── Switch ── */
body.dark-mode .ds-switch.on {
  background: linear-gradient(88.09deg, #5C2ED4 0.11%, #A614C3 63.8%);
}
body.dark-mode .ds-switch.off { background: rgba(255,255,255,0.15); }

/* ── Tabs ── */
body.dark-mode .ds-tab { color: rgba(255,255,255,0.45); }
body.dark-mode .ds-tab.active { color: rgba(255,255,255,0.95); border-bottom-color: rgba(255,255,255,0.8); }

/* ── Image placeholder ── */
body.dark-mode .img-placeholder { background: #27272a; border-color: rgba(255,255,255,0.08); color: rgba(255,255,255,0.25); }

/* ════════════════════════════════════════════════════════
   SEARCH OVERLAY
   ════════════════════════════════════════════════════════ */
#search-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.45); backdrop-filter: blur(4px);
  display: none; align-items: flex-start; justify-content: center;
  padding-top: 80px;
}
#search-overlay.open { display: flex; }

.search-modal {
  width: 600px; background: white;
  border-radius: 18px; box-shadow: 0 24px 64px rgba(0,0,0,0.22);
  overflow: hidden; animation: search-in 0.15s ease;
}
@keyframes search-in {
  from { transform: translateY(-12px); opacity:0; }
  to   { transform: translateY(0);     opacity:1; }
}

.search-input-wrap {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px; border-bottom: 1px solid var(--gray-100);
}
.search-input-wrap > .material-icons-round { color: var(--gray-400); font-size: 22px; flex-shrink:0; }
.search-input-wrap input {
  flex: 1; border: none; outline: none;
  font-family: var(--font); font-size: 15px;
  color: var(--gray-900); background: transparent;
}
.search-input-wrap input::placeholder { color: var(--gray-400); }
.search-close { color: var(--gray-400); cursor: pointer; font-size: 20px !important; }

.search-results { max-height: 420px; overflow-y: auto; }

.search-result-item {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 20px; cursor: pointer; transition: background 0.1s;
}
.search-result-item:hover,
.search-result-item.focused { background: var(--gray-50); }
.sri-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: #f4f4f5; display: flex;         /* zinc-100 — neutral */
  align-items: center; justify-content: center; flex-shrink: 0;
}
.sri-icon .material-icons-round { font-size: 18px; color: #52525b; } /* zinc-600 */
.search-result-title { font-size: 14px; font-weight: 600; color: var(--gray-900); }
.search-result-section { font-size: 12px; color: var(--gray-400); margin-top: 1px; }
.sri-arrow { font-size: 16px !important; color: var(--gray-300); margin-left: auto; }
.search-empty { padding: 40px 20px; text-align: center; color: var(--gray-400); font-size: 14px; }

.search-hint {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 20px; border-top: 1px solid var(--gray-100);
  font-size: 11px; color: var(--gray-400);
}
.search-hint kbd {
  background: var(--gray-100); border-radius: 4px;
  padding: 2px 6px; font-family: var(--font); font-size: 11px; font-weight: 600;
}

/* Dark mode search */
body.dark-mode .search-modal { background: #191D35; border: 1px solid rgba(255,255,255,0.08); }
body.dark-mode .search-input-wrap { border-bottom-color: rgba(255,255,255,0.08); }
body.dark-mode .search-input-wrap input { color: rgba(255,255,255,0.85); }
body.dark-mode .search-input-wrap input::placeholder { color: rgba(255,255,255,0.28); }
body.dark-mode .search-result-item:hover,
body.dark-mode .search-result-item.focused { background: rgba(255,255,255,0.05); }
body.dark-mode .search-result-title { color: rgba(255,255,255,0.88); }
body.dark-mode .search-result-section { color: rgba(255,255,255,0.38); }
body.dark-mode .sri-icon { background: rgba(255,255,255,0.08); }
body.dark-mode .sri-icon .material-icons-round { color: rgba(255,255,255,0.55); }
body.dark-mode .search-hint { border-top-color: rgba(255,255,255,0.06); }
body.dark-mode .search-hint kbd { background: rgba(255,255,255,0.10); color: rgba(255,255,255,0.65); }

/* ════════════════════════════════════════════════════════
   SHADCN/UI-STYLE PREVIEW / CODE TABS
   ════════════════════════════════════════════════════════ */

/* ── Preview+Code tab bar ── */
.ds-preview-wrap {
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 24px;
}

.ds-preview-tabbar {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 6px 8px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}

.ds-preview-tab {
  padding: 5px 14px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-500);
  cursor: pointer;
  border: none;
  background: transparent;
  font-family: var(--font);
  transition: background 0.12s, color 0.12s;
}
.ds-preview-tab:hover { background: var(--gray-200); color: var(--gray-800); }
.ds-preview-tab.active {
  background: #fff;
  color: var(--gray-900);
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

/* ── Preview pane ── */
.ds-preview-pane {
  padding: 40px 32px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  min-height: 120px;
}
/* dark-bg-pane: always hidden (legacy, superseded by theme toggle) */
.ds-preview-pane.dark-bg-pane { display: none !important; }

/* In dark mode — preview pane gets dark surface background, always stays visible */
body.dark-mode .ds-preview-pane { background: #0F1116; }

/* ── Code pane — WHITE in light mode ── */
.ds-code-pane {
  display: none;
  position: relative;
  background: #ffffff;
  border-top: 1px solid #e4e4e7;
  padding: 0;
}
.ds-code-pane.visible { display: block; }

.ds-code-block {
  margin: 0;
  padding: 24px 28px;
  font-family: 'Fira Code', 'Courier New', 'Consolas', monospace;
  font-size: 13px;
  line-height: 1.75;
  color: #1e293b;
  overflow-x: auto;
  white-space: pre;
  background: transparent;
  tab-size: 2;
}

/* Light mode syntax — GitHub-style */
.ds-code-block .c-comment { color: #6b7280; font-style: italic; }
.ds-code-block .c-tag     { color: #0369a1; }
.ds-code-block .c-attr    { color: #0284c7; }
.ds-code-block .c-str     { color: #16a34a; }
.ds-code-block .c-kw      { color: #7c3aed; }
.ds-code-block .c-fn      { color: #b45309; }
.ds-code-block .c-num     { color: #dc2626; }

/* Dark mode — restore dark bg + light syntax */
body.dark-mode .ds-code-pane { background: #0f1117; border-top-color: rgba(255,255,255,0.06); }
body.dark-mode .ds-code-block { color: #e2e8f0; }
body.dark-mode .ds-code-block .c-comment { color: #637e9a; font-style: italic; }
body.dark-mode .ds-code-block .c-tag     { color: #7dd3fc; }
body.dark-mode .ds-code-block .c-attr    { color: #a5f3fc; }
body.dark-mode .ds-code-block .c-str     { color: #86efac; }
body.dark-mode .ds-code-block .c-kw      { color: #c084fc; }
body.dark-mode .ds-code-block .c-fn      { color: #fde68a; }
body.dark-mode .ds-code-block .c-num     { color: #fb923c; }

/* ── Copy button ── */
.ds-copy-btn {
  position: absolute;
  top: 10px; right: 12px;
  padding: 5px 12px;
  background: #f4f4f5;
  border: 1px solid #e4e4e7;
  border-radius: 7px;
  color: #52525b;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  display: flex;
  align-items: center;
  gap: 5px;
}
.ds-copy-btn:hover {
  background: #e4e4e7;
  color: #18181b;
}
.ds-copy-btn.copied {
  background: rgba(22,163,74,0.08);
  color: #16a34a;
  border-color: rgba(22,163,74,0.2);
}
.ds-copy-btn .material-icons-round { font-size: 13px; }
body.dark-mode .ds-copy-btn { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.12); color: rgba(255,255,255,0.6); }
body.dark-mode .ds-copy-btn:hover { background: rgba(255,255,255,0.14); color: rgba(255,255,255,0.9); }
body.dark-mode .ds-copy-btn.copied { background: rgba(78,205,196,0.15); color: #4ECDC4; border-color: rgba(78,205,196,0.3); }

/* ── Package manager install tabs ── */
.ds-install-wrap {
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 24px;
}

.ds-install-tabbar {
  display: flex;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  padding: 0 4px;
}

.ds-install-tab {
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-400);
  cursor: pointer;
  border: none;
  background: transparent;
  font-family: var(--font);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.12s, border-color 0.12s;
}
.ds-install-tab:hover { color: var(--gray-700); }
.ds-install-tab.active { color: #A614C3; border-bottom-color: #A614C3; }

.ds-install-code {
  background: #ffffff;
  border-top: 1px solid #e4e4e7;
  padding: 16px 28px;
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 13px;
  color: #1e293b;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.ds-install-cmd { flex: 1; white-space: nowrap; overflow-x: auto; }
.ds-install-cmd .c-kw  { color: #7c3aed; }
.ds-install-cmd .c-pkg { color: #16a34a; }
body.dark-mode .ds-install-code { background: #0f1117; border-top-color: rgba(255,255,255,0.06); color: #e2e8f0; }
body.dark-mode .ds-install-cmd .c-kw  { color: #c084fc; }
body.dark-mode .ds-install-cmd .c-pkg { color: #86efac; }

/* ── Inline code ── */
.ds-inline-code {
  display: inline-block;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  background: rgba(166,20,195,0.07);
  color: #A614C3;
  padding: 1px 7px;
  border-radius: 5px;
  border: 1px solid rgba(166,20,195,0.15);
}

/* ── Usage section ── */
.ds-usage-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  margin-top: 32px;
}
.ds-usage-title:first-child { margin-top: 0; }

/* ── Dark mode ── */
body.dark-mode .ds-preview-wrap { border-color: rgba(255,255,255,0.08); }
body.dark-mode .ds-preview-tabbar { background: #27272a; border-bottom-color: rgba(255,255,255,0.08); }
body.dark-mode .ds-preview-tab { color: rgba(255,255,255,0.60); }
body.dark-mode .ds-preview-tab:hover { background: rgba(255,255,255,0.07); color: rgba(255,255,255,0.7); }
body.dark-mode .ds-preview-tab.active { background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.9); box-shadow: 0 1px 3px rgba(0,0,0,0.3); }
body.dark-mode .ds-preview-pane { background: #0F1116; }
body.dark-mode .ds-install-wrap { border-color: rgba(255,255,255,0.08); }
body.dark-mode .ds-install-tabbar { background: #27272a; border-bottom-color: rgba(255,255,255,0.08); }
body.dark-mode .ds-install-tab { color: rgba(255,255,255,0.35); }
body.dark-mode .ds-install-tab:hover { color: rgba(255,255,255,0.7); }
body.dark-mode .ds-install-tab.active { color: rgba(255,255,255,0.95); border-bottom-color: rgba(255,255,255,0.7); }
body.dark-mode .ds-inline-code { background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.85); border-color: rgba(255,255,255,0.10); }
body.dark-mode .ds-copy-btn.copied { background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.9); border-color: rgba(255,255,255,0.15); }

/* ── Prev/Next navigation ── */
.ds-page-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--gray-200);
}
.ds-page-nav-btn {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 14px 18px;
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  text-decoration: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  min-width: 160px;
}
.ds-page-nav-btn:hover { border-color: #A614C3; box-shadow: 0 0 0 2px rgba(166,20,195,0.12); text-decoration: none; }
.ds-page-nav-btn.next { text-align: right; }
.ds-page-nav-label { font-size: 11px; font-weight: 700; color: var(--gray-400); text-transform: uppercase; letter-spacing: 0.07em; }
.ds-page-nav-name { font-size: 14px; font-weight: 600; color: var(--gray-800); }
body.dark-mode .ds-page-nav { border-top-color: rgba(255,255,255,0.08); }
body.dark-mode .ds-page-nav-btn { border-color: rgba(255,255,255,0.12); background: #191D35; }
body.dark-mode .ds-page-nav-btn:hover { border-color: rgba(255,255,255,0.35); box-shadow: 0 0 0 2px rgba(255,255,255,0.06); }
body.dark-mode .ds-page-nav-label { color: rgba(255,255,255,0.55); }
body.dark-mode .ds-page-nav-name { color: rgba(255,255,255,0.9); }

/* ── Override hardcoded dark text colors anywhere in the page content ──
   These inline color values were designed for light backgrounds;
   in dark mode we flip them to readable whites.                        */
body.dark-mode .ds-content [style*="color:#141F1E"],
body.dark-mode .ds-content [style*="color:#141f1e"],
body.dark-mode .ds-content [style*="color:#253835"],
body.dark-mode .ds-content [style*="color:#3A4F4D"],
body.dark-mode .ds-content [style*="color:#3a4f4d"],
body.dark-mode .ds-content [style*="color:#536563"],
body.dark-mode .ds-content [style*="color:#374151"],
body.dark-mode .ds-content [style*="color:#1A1A2E"],
body.dark-mode .ds-content [style*="color:#1a1a2e"],
body.dark-mode .ds-content [style*="color:#111"],
body.dark-mode .ds-content [style*="color:#222"],
body.dark-mode .ds-content [style*="color:#333"],
body.dark-mode .ds-content [style*="color:#444"],
body.dark-mode .ds-content [style*="color:#555"],
body.dark-mode .ds-content [style*="color:#666"],
body.dark-mode .ds-content [style*="color:#1F2937"],
body.dark-mode .ds-content [style*="color:#111827"],
body.dark-mode .ds-content [style*="color:#1e293b"],
body.dark-mode .ds-content [style*="color:#0f172a"] { color: rgba(255,255,255,0.80) !important; }

/* ════════════════════════════════════════════════════════
   BTIS TOP NAVIGATION BAR (shared across all pages)
   ════════════════════════════════════════════════════════ */
.btis-header {
  position: fixed; top: 0; left: 0; right: 0; height: 56px;
  background: rgba(255,255,255,0.9); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0,0,0,0.07);
  z-index: 500; display: flex; align-items: center;
}
.btis-header-inner {
  display: flex; align-items: center;
  width: 100%; height: 100%;
  padding: 0 40px;    /* match homepage: 40px side padding */
  gap: 32px;          /* match homepage: explicit gap between brand/nav/buttons */
}
.btis-brand {
  display: flex; align-items: center;
  text-decoration: none; flex-shrink: 0;
}
.btis-logo-img {
  height: 28px;
  width: auto;
  display: block;
  object-fit: contain;
  flex-shrink: 0;
}
/* CSS fallback — ensures dark-mode logo swaps even before JS fires */
body.dark-mode .btis-logo-img {
  content: url('BTIS_Darkmode_Logo.png');
}
.btis-top-nav { display: flex; align-items: center; gap: 2px; margin-right: auto; }
.btis-top-nav-link {
  padding: 6px 12px; border-radius: 6px;
  font-size: 13px; font-weight: 500;
  color: #555555; text-decoration: none;
  font-family: 'Inter', sans-serif;
  transition: background 0.15s, color 0.15s;
}
.btis-top-nav-link:hover { background: #f0f0f0; color: #111111; text-decoration: none; }
.btis-top-nav-link.active { background: transparent; color: #555555; font-weight: 500; }
.btis-header-right {
  display: flex; align-items: center; gap: 8px;
  margin-left: auto;
  flex-shrink: 0;           /* never squish — keeps buttons at fixed position */
}
.btis-icon-btn {
  width: 34px; height: 34px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: none; cursor: pointer; color: #555555;
  transition: background 0.15s;
}
.btis-icon-btn:hover { background: #f0f0f0; }
.btis-icon-btn .material-icons-round { font-size: 18px; }
.btis-theme-pill {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 8px;
  font-size: 13px; font-weight: 500; color: #555555;
  background: transparent; border: 1px solid #e0e0e0;
  cursor: pointer; font-family: var(--font);
  transition: background 0.15s;
}
.btis-theme-pill:hover { background: #f5f5f5; }
.btis-theme-pill .material-icons-round { font-size: 15px; }

body.dark-mode .btis-header { background: #0D1020; border-bottom-color: rgba(255,255,255,0.06); }

body.dark-mode .btis-top-nav-link { color: rgba(255,255,255,0.65); }
body.dark-mode .btis-top-nav-link:hover { background: rgba(255,255,255,0.07); color: rgba(255,255,255,0.95); text-decoration: none; }
body.dark-mode .btis-top-nav-link.active { background: rgba(255,255,255,0.09); color: rgba(255,255,255,0.98); font-weight: 600; }
body.dark-mode .btis-icon-btn { color: rgba(255,255,255,0.70); }
body.dark-mode .btis-icon-btn:hover { background: rgba(255,255,255,0.09); color: rgba(255,255,255,0.95); }
body.dark-mode .btis-theme-pill { color: rgba(255,255,255,0.80); border-color: rgba(255,255,255,0.22); background: rgba(255,255,255,0.06); }
body.dark-mode .btis-theme-pill:hover { border-color: rgba(255,255,255,0.40); color: rgba(255,255,255,0.98); background: rgba(255,255,255,0.10); }
body.dark-mode .btis-theme-pill.active { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.35); color: #ffffff; }

/* ════════════════════════════════════════════════════════
   SIDEBAR  —  rebuilt to reference spec
   Layout:  pt-20 (80px) top · px-8 (32px) horizontal
   Sections: mt-12 (48px) apart · title mt-4 (16px) above items
   Fade:    mask-image bottom 80%→transparent
   Divider: faded 1px gradient line on right, pr-8 clearance
   ════════════════════════════════════════════════════════ */
.ds-sidenav {
  position: fixed;
  top: calc(56px + 8px);
  left: 40px;                /* +40px from viewport edge for breathing room */
  width: 240px;
  height: calc(100vh - 9rem);
  overflow-y: auto;

  /* 80px top padding = start of list; items never appear above this */
  padding: 80px 0 80px 0;

  border-right: none;

  /* Faded right divider — synced to content window */
  background-color: #ffffff;
  background-image: linear-gradient(
    to bottom,
    transparent  0%,
    transparent  9%,
    #e4e4e7      14%,
    #e4e4e7      83%,
    transparent  88%
  );
  background-repeat: no-repeat;
  background-position: right 0;
  background-size: 1px 100%;

  /*
   * DUAL-FADE MASK:
   *   Top:    transparent 0 → transparent 60px → black 80px
   *           = fixed 60px blank zone + 20px fade-in at the start point
   *   Bottom: black 80% → transparent 100%
   *           = fixed fade-out at 80% (items dissolve, never scroll past)
   * Result: list start AND end are fixed on screen; items fade symmetrically.
   */
  -webkit-mask-image: linear-gradient(
    to bottom,
    transparent  0,
    transparent  60px,
    black        80px,
    black        80%,
    transparent  100%
  );
  mask-image: linear-gradient(
    to bottom,
    transparent  0,
    transparent  60px,
    black        80px,
    black        80%,
    transparent  100%
  );

  /* Thin custom scrollbar — visible thumb so users know where they are */
  scrollbar-width: thin;
  scrollbar-color: rgba(0,0,0,.18) transparent;
}
.ds-sidenav::-webkit-scrollbar { width: 2px; }
.ds-sidenav::-webkit-scrollbar-track { background: transparent; }
.ds-sidenav::-webkit-scrollbar-thumb {
  background: rgba(0,0,0,.18);
  border-radius: 1px;
  min-height: 5px;
  max-height: 5px;
  height: 5px;
}
.ds-sidenav::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,.32); }
body.dark-mode .ds-sidenav { scrollbar-color: rgba(255,255,255,.20) transparent; }
body.dark-mode .ds-sidenav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.20); }
body.dark-mode .ds-sidenav::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.35); }

/* No sticky pseudo-zones — padding + mask-image handles spacing/fade */
.ds-sidenav::before,
.ds-sidenav::after { display: none; }

/* ── Section groups ──
   px-8 = 32px horizontal padding (text left-aligned, pr-8 keeps text off divider)
   mb   = 48px (mt-12) vertical gap between sections                               */
.ds-sidenav-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;      /* items only as wide as their text */
  padding: 0 32px;
  margin-bottom: 48px;          /* mt-12 between sections */
}
.ds-sidenav-group:last-child { margin-bottom: 0; }

/* ── Section title ── same size/weight as items; only color distinguishes it */
.ds-sidenav-group-title {
  align-self: stretch;
  font-size: 12.8px;            /* same as items */
  font-weight: 500;             /* same as items */
  letter-spacing: 0;
  text-transform: none;         /* no uppercase */
  color: #a1a1aa;               /* gray — only visual difference */
  padding: 0 0 0 10px;          /* match item's 10px left padding → perfect left-align */
  margin-bottom: 8px;
  font-family: var(--font);
  text-align: left;
}

/* ── Nav items ── text-width gray pill, 12px gap between items */
.ds-sidenav-item {
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 12.8px;
  color: #09090b;
  text-decoration: none;
  font-weight: 500;
  line-height: 1.4;
  white-space: nowrap;
  text-align: left;
  transition: background 0.1s, color 0.1s;
  font-family: var(--font);
  margin-bottom: 2px;           /* 5 + 2 + 5 = 12px between item texts */
}
.ds-sidenav-item:hover {
  background: #f4f4f5;
  color: #18181b;
  text-decoration: none;
}
.ds-sidenav-item.active {
  background: #f4f4f5;
  color: #18181b;
  font-weight: 500;
}

/* ── Dark mode ── */
body.dark-mode .ds-sidenav {
  background-color: transparent;
  background-image: linear-gradient(
    to bottom,
    transparent           0%,
    transparent           9%,
    rgba(255,255,255,0.14) 14%,
    rgba(255,255,255,0.14) 83%,
    transparent           88%
  );
  background-repeat: no-repeat;
  background-position: right 0;
  background-size: 1px 100%;
}
body.dark-mode .ds-sidenav-group-title { color: rgba(255,255,255,0.40); }
body.dark-mode .ds-sidenav-item        { color: rgba(255,255,255,0.75); }
body.dark-mode .ds-sidenav-item:hover  {
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.9);
  text-decoration: none;
}
body.dark-mode .ds-sidenav-item.active {
  background: rgba(255,255,255,0.09);
  color: rgba(255,255,255,0.95);
  font-weight: 500;
}

/* ────────────────────────────────────────────────────────
   PAGE TITLE ROW  (title left · copy+nav right)
   ──────────────────────────────────────────────────────── */
.ds-title-row {
  display: flex; align-items: flex-start;
  justify-content: space-between; gap: 16px;
  margin-bottom: 12px;
}
.ds-title-row .ds-page-title { margin-bottom: 0; }

.ds-title-actions {
  display: flex; align-items: center; gap: 6px;
  flex-shrink: 0; padding-top: 8px;
}
.ds-copy-page-btn {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 5px 12px 5px 10px; border-radius: 8px;
  border: 1px solid #e4e4e7; background: #ffffff;
  font-size: 12.5px; font-weight: 500; color: #3f3f46;
  cursor: pointer; font-family: var(--font);
  transition: background 0.12s, border-color 0.12s;
}
.ds-copy-page-btn:hover { background: #f4f4f5; border-color: #d4d4d8; }
.ds-copy-page-btn .material-icons-round { font-size: 14px; }
.ds-copy-page-btn .chevron { font-size: 16px; color: #a1a1aa; margin-left: -2px; }

.ds-nav-arrow-btn {
  width: 32px; height: 32px; border-radius: 8px;
  border: 1px solid #e4e4e7; background: #ffffff;
  display: inline-flex; align-items: center; justify-content: center;
  color: #52525b; text-decoration: none; cursor: pointer;
  transition: background 0.12s, border-color 0.12s; flex-shrink: 0;
}
.ds-nav-arrow-btn:hover { background: #f4f4f5; border-color: #d4d4d8; text-decoration: none; }
.ds-nav-arrow-btn .material-icons-round { font-size: 18px; }
.ds-nav-arrow-btn.disabled { opacity: 0.35; pointer-events: none; }

body.dark-mode .ds-copy-page-btn { background: #27272a; border-color: rgba(255,255,255,0.14); color: rgba(255,255,255,0.80); }
body.dark-mode .ds-copy-page-btn:hover { background: #191D35; border-color: rgba(255,255,255,0.25); }
body.dark-mode .ds-copy-page-btn .chevron { color: rgba(255,255,255,0.45); }
body.dark-mode .ds-nav-arrow-btn { background: #27272a; border-color: rgba(255,255,255,0.12); color: rgba(255,255,255,0.75); }
body.dark-mode .ds-nav-arrow-btn:hover { background: #191D35; }

/* ── New BTIS layout overrides (applied via body.btis-layout class) ── */
body.btis-layout .ds-shell { padding-top: 56px; }
body.btis-layout .ds-main {
  margin-left: 320px !important;  /* 40px sidenav offset + 240px sidenav width + 40px gap */
  margin-right: 220px !important;
}
body.btis-layout .ds-toc {
  top: 56px !important;
  padding-top: 24px !important;
}
body.btis-layout .ds-nav,
body.btis-layout .ds-subnav {
  display: none !important;
}

/* ════════════════════════════════════════════════════════
   HAMBURGER / MOBILE MENU
   ════════════════════════════════════════════════════════ */

/* ── Hamburger button (hidden on desktop) ── */
.btis-ham-btn {
  display: none;
  align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: none; border: none; cursor: pointer;
  border-radius: 6px; color: #444;
  flex-shrink: 0; padding: 0;
  transition: background 0.14s;
}
.btis-ham-btn:hover { background: #f0f0f0; }
body.dark-mode .btis-ham-btn { color: rgba(255,255,255,0.65); }
body.dark-mode .btis-ham-btn:hover { background: rgba(255,255,255,0.07); }

/* ── Backdrop ── */
.btis-mobile-backdrop {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.38); z-index: 600;
  opacity: 0; transition: opacity 0.22s;
}
.btis-mobile-backdrop.open { display: block; opacity: 1; }

/* ── Drawer ── */
.btis-mobile-drawer {
  position: fixed; top: 0; left: -300px; bottom: 0;
  width: 280px; background: #fff; z-index: 601;
  transition: left 0.26s cubic-bezier(0.4,0,0.2,1);
  overflow-y: auto; box-shadow: 4px 0 32px rgba(0,0,0,0.13);
  display: flex; flex-direction: column;
}
.btis-mobile-drawer.open { left: 0; }
body.dark-mode .btis-mobile-drawer { background: #191D35; }

.btis-mdr-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px; height: 56px;
  border-bottom: 1px solid #ebebeb;
  position: sticky; top: 0; z-index: 1;
  background: #fff; flex-shrink: 0;
}
body.dark-mode .btis-mdr-head { background: #191D35; border-bottom-color: rgba(255,255,255,0.08); }

.btis-mdr-close {
  width: 32px; height: 32px; background: none; border: none;
  cursor: pointer; border-radius: 6px; color: #888;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.14s;
}
.btis-mdr-close:hover { background: #f0f0f0; }
body.dark-mode .btis-mdr-close { color: rgba(255,255,255,0.4); }
body.dark-mode .btis-mdr-close:hover { background: rgba(255,255,255,0.07); }

.btis-mdr-body { padding: 12px 10px 48px; overflow-y: auto; flex: 1; }

/* ── Section accordion rows ── */
.btis-mdr-sec { margin-bottom: 2px; }

/* Row: section label + chevron toggle */
.btis-mdr-sec-hd {
  display: flex; align-items: center;
  padding: 2px 4px 2px 12px;
  gap: 2px;
}

.btis-mdr-sec-link {
  font-size: 13px; font-weight: 700; color: #111;
  letter-spacing: -0.01em;
  text-decoration: none; flex: 1;
  padding: 8px 0;
  line-height: 1.3;
  transition: color 0.13s;
}
.btis-mdr-sec-link:hover { color: #0d9488; text-decoration: none; }
body.dark-mode .btis-mdr-sec-link { color: rgba(255,255,255,0.9); }
body.dark-mode .btis-mdr-sec-link:hover { color: #2dd4bf; }

/* Chevron toggle button */
.btis-mdr-toggle {
  width: 28px; height: 28px; background: none; border: none;
  cursor: pointer; border-radius: 5px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.13s; color: #c4c4c4;
}
.btis-mdr-toggle:hover { background: #f0f0f0; color: #888; }
body.dark-mode .btis-mdr-toggle { color: rgba(255,255,255,0.2); }
body.dark-mode .btis-mdr-toggle:hover { background: rgba(255,255,255,0.07); color: rgba(255,255,255,0.5); }

.btis-mdr-chevron {
  transition: transform 0.2s cubic-bezier(0.4,0,0.2,1);
}
.btis-mdr-sec.open .btis-mdr-chevron { transform: rotate(180deg); }

/* Sub-page list (collapse/expand) */
.btis-mdr-sub-list {
  overflow: hidden; max-height: 0;
  transition: max-height 0.26s cubic-bezier(0.4,0,0.2,1);
  padding-bottom: 0;
}
.btis-mdr-sec.open .btis-mdr-sub-list {
  max-height: 2400px;
  padding-bottom: 6px;
}

/* Sub-page links */
.btis-mdr-sub {
  display: block;
  padding: 7px 10px 7px 24px;
  border-radius: 6px;
  font-size: 13px; font-weight: 400;
  color: #666; line-height: 1.4;
  text-decoration: none;
  transition: background 0.12s, color 0.12s;
}
.btis-mdr-sub:hover { background: #f4f4f5; color: #111; text-decoration: none; }
.btis-mdr-sub.active {
  color: #0d9488; font-weight: 600;
  background: rgba(13,148,136,0.07);
}
body.dark-mode .btis-mdr-sub { color: rgba(255,255,255,0.42); }
body.dark-mode .btis-mdr-sub:hover { background: rgba(255,255,255,0.05); color: rgba(255,255,255,0.82); }
body.dark-mode .btis-mdr-sub.active { color: #2dd4bf; background: rgba(45,212,191,0.08); }

.btis-mdr-sep { height: 1px; background: #f0f0f0; margin: 6px 0; }
body.dark-mode .btis-mdr-sep { background: rgba(255,255,255,0.06); }

/* ════════════════════════════════════════════════════════
   RESPONSIVE BREAKPOINTS
   ════════════════════════════════════════════════════════ */

/* ── Large tablet (≤1100px): hide TOC, expand content right ── */
@media (max-width: 1100px) {
  .ds-toc { display: none !important; }
  body.btis-layout .ds-main { margin-right: 0 !important; }
  .ds-main { margin-right: 0 !important; }
}

/* ── Tablet (≤860px): hide sidenav, show hamburger, full-width content ── */
@media (max-width: 860px) {
  .ds-sidenav { display: none !important; }
  body.btis-layout .ds-main { margin-left: 0 !important; margin-right: 0 !important; }
  .ds-main { margin-left: 0 !important; margin-right: 0 !important; }
  body.btis-layout #btis-footer { padding-left: 0 !important; }
  /* Generous shadcn-style padding */
  .ds-content { padding: 40px 28px 72px !important; max-width: 100% !important; }
  /* Overflow: page never scrolls horizontally — only inner panes do */
  body { overflow-x: hidden; }
  .ds-example { overflow-x: auto; }
  .ds-preview-pane { overflow-x: auto; }
  /* Header */
  .btis-header-inner { padding: 0 20px; gap: 12px; }
  .btis-top-nav { display: none !important; }
  .btis-ham-btn { display: flex; }
  /* Landing page wrapper */
  .hw { padding: 0 28px !important; }
}

/* ── Mobile (≤600px): tighter side padding ── */
@media (max-width: 600px) {
  .btis-header-inner { padding: 0 16px; gap: 10px; }
  .ds-content { padding: 32px 20px 64px !important; }
  .hw { padding: 0 20px !important; }
  /* Landing pages — tighter hero padding on small phones */
  .page-hero { padding: 48px 0 36px !important; }
  .hero-title { font-size: clamp(28px, 8vw, 40px) !important; }
  /* Landing section pages — all grids go single column */
  .fnd-grid, .sty-grid, .res-grid { grid-template-columns: 1fr !important; }
  .rule-grid { grid-template-columns: 1fr !important; }
  /* Components grid: 2 col on mobile, 1 col on very small */
  .comp-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .sec-header { flex-direction: column; align-items: flex-start; gap: 4px; }
}

/* ── Very small (≤400px): comp grid goes 1-col ── */
@media (max-width: 400px) {
  .comp-grid { grid-template-columns: 1fr !important; }
}

/* ════════════════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════════════════ */
#btis-footer {
  background: transparent;
  padding: 0;
  border-top: none;
}
body.btis-layout #btis-footer { padding-left: 320px; }
body.dark-mode #btis-footer { background: transparent; border-top: none; }

.btis-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 56px;
  border-top: 1px solid #ebebeb;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
body.btis-layout .btis-footer-inner { margin: 0; padding: 24px 40px; }
body.dark-mode .btis-footer-inner { border-top-color: rgba(255,255,255,.08); }

.btis-footer-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  min-width: 0;
}

.btis-footer-brand { display: flex; align-items: center; text-decoration: none; flex-shrink: 0; }

.btis-footer-copy {
  font-size: 12px;
  color: #bbb;
  font-family: 'Inter', sans-serif;
  white-space: nowrap;
}
body.dark-mode .btis-footer-copy { color: rgba(255,255,255,0.25); }

.btis-footer-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.btis-footer-link {
  font-size: 12px;
  font-weight: 500;
  color: #999;
  text-decoration: none;
  padding: 5px 10px;
  border-radius: 5px;
  transition: color 0.14s, background 0.14s;
  font-family: 'Inter', sans-serif;
  white-space: nowrap;
}
.btis-footer-link:hover { color: #111; background: #f4f4f5; text-decoration: none; }
body.dark-mode .btis-footer-link { color: rgba(255,255,255,0.35); }
body.dark-mode .btis-footer-link:hover { color: rgba(255,255,255,0.85); background: rgba(255,255,255,0.07); }

/* Tablet — reduce padding */
@media (max-width: 900px) {
  .btis-footer-inner { padding: 20px 32px; }
}

/* Mobile — stack vertically */
@media (max-width: 680px) {
  .btis-footer-inner {
    padding: 20px 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .btis-footer-copy { white-space: normal; }
  .btis-footer-nav { gap: 0; margin-left: -6px; }
}

/* Small phone */
@media (max-width: 420px) {
  .btis-footer-inner { padding: 18px 20px; }
}