/* Theme-aware text selection */
::selection {
  background-color: var(--selection-bg);
  color: var(--selection-text);
}

/* Firefox */
::-moz-selection {
  background-color: var(--selection-bg);
  color: var(--selection-text);
}

:root{
  --ease-out: cubic-bezier(.2,.8,.2,1);
  --ease-spring: cubic-bezier(.16,1,.3,1);
  --dur-1: 120ms;
  --dur-2: 180ms;
  --dur-3: 260ms;
  --dur-4: 420ms;
  --lift: translateY(-1px);
  --ring: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
  --bg: #0b0e14;
  --panel:#101725;
  --panel2:#0f1420;
  --text:#e8eefc;
  --muted:#9fb0d0;
  --accent:#7aa2ff;
  --accent2:#71f7c1;
  --danger:#ff6b81;
  --border:rgba(255,255,255,0.08);
  --shadow: 0 14px 40px rgba(0,0,0,0.35);
  --radius: 18px;
  --selection-bg: #0dbd80;
  --selection-text: #ffffff;
}

/* Light theme overrides */
body[data-theme="light"]{
  --bg: #f5f7fc;
  --panel:#ffffff;
  --panel2:#f3f6ff;
  --text:#0d1733;
  --muted:#51618a;
  --accent:#2a62ff;
  --accent2:#0dbd80;
  --danger:#d21b3c;
  --border:rgba(10,20,40,0.12);
  --shadow: 0 14px 40px rgba(10,20,40,0.12);
  --selection-bg: #2a62ff;
  --selection-text: #ffffff;
}

/* Neon theme overrides */
body[data-theme="neon"]{
  --bg: #070816;
  --panel:#0b0e24;
  --panel2:#0b102e;
  --text:#f1f5ff;
  --muted:#a9b2ff;
  --accent:#b56cff;
  --accent2:#00f5d4;
  --danger:#ff3d7f;
  --border:rgba(255,255,255,0.10);
  --shadow: 0 18px 60px rgba(0,0,0,0.55);
  --selection-bg: #b56cff;
  --selection-text: #0b0218;
}

/* Sepia theme overrides */
body[data-theme="sepia"]{
  --bg: #f3eadb;
  --panel:#fff8ee;
  --panel2:#fbf0e0;
  --text:#2b1f12;
  --muted:#6e5a44;
  --accent:#b4541b;
  --accent2:#2a8c6c;
  --danger:#b00020;
  --border:rgba(60,40,20,0.14);
  --shadow: 0 14px 40px rgba(60,40,20,0.16);
  --selection-bg: #b4541b;
  --selection-text: #fff8ee;
}

/* Solarized (Dark-ish) */
body[data-theme="solarized"]{
  --bg: #002b36;
  --panel:#073642;
  --panel2:#0b3b49;
  --text:#fdf6e3;
  --muted:#93a1a1;
  --accent:#268bd2;
  --accent2:#2aa198;
  --danger:#dc322f;
  --border:rgba(255,255,255,0.10);
  --shadow: 0 18px 60px rgba(0,0,0,0.55);
  --selection-bg: #268bd2;
  --selection-text: #002b36;
}

/* Nord */
body[data-theme="nord"]{
  --bg: #2e3440;
  --panel:#3b4252;
  --panel2:#434c5e;
  --text:#eceff4;
  --muted:#cbd5e1;
  --accent:#88c0d0;
  --accent2:#a3be8c;
  --danger:#bf616a;
  --border:rgba(255,255,255,0.10);
  --shadow: 0 18px 60px rgba(0,0,0,0.55);
  --selection-bg: #88c0d0;
  --selection-text: #2e3440;
}

/* Dracula */
body[data-theme="dracula"]{
  --bg: #282a36;
  --panel:#2f3142;
  --panel2:#3a3c55;
  --text:#f8f8f2;
  --muted:#c7c7d6;
  --accent:#bd93f9;
  --accent2:#50fa7b;
  --danger:#ff5555;
  --border:rgba(255,255,255,0.10);
  --shadow: 0 18px 60px rgba(0,0,0,0.55);
  --selection-bg: #bd93f9;
  --selection-text: #282a36;
}

/* Retro Terminal (green-on-dark vibe but still readable) */
body[data-theme="terminal"]{
  --bg: #050a07;
  --panel:#07120c;
  --panel2:#0a1a11;
  --text:#d7ffe7;
  --muted:#8bd4a9;
  --accent:#3dff8f;
  --accent2:#a6ffcb;
  --danger:#ff4d6d;
  --border:rgba(61,255,143,0.18);
  --shadow: 0 18px 60px rgba(0,0,0,0.65);
  --selection-bg: #3dff8f;
  --selection-text: #050a07;
}

/* Frutiger Aero (glossy glass UI) */
body[data-theme="frutigeraero"]{
  --bg: linear-gradient(
    180deg,
    #cfeeff 0%,
    #e9f7ff 40%,
    #d6f0ff 100%
  );

  --panel: rgba(255,255,255,0.75);
  --panel2: rgba(255,255,255,0.55);

  --text:#082235;
  --muted:#3f6f8f;

  --accent:#1f8cff;
  --accent2:#00c2b3;

  --danger:#c0193a;

  --border: rgba(9,35,58,0.18);
  --shadow: 0 20px 50px rgba(9,35,58,0.22);

  --selection-bg: #1f8cff;
  --selection-text: #f6fbff;
}

/* Glass panels */
body[data-theme="frutigeraero"] .sidebar,
body[data-theme="frutigeraero"] .content,
body[data-theme="frutigeraero"] .topbar {
  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.85),
    rgba(255,255,255,0.55)
  );
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.9),
    inset 0 -1px 0 rgba(255,255,255,0.25),
    0 18px 45px rgba(9,35,58,0.25);
}

body[data-theme="frutigeraero"] .sidebar::before,
body[data-theme="frutigeraero"] .content::before {
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:40%;
  pointer-events:none;

  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.55),
    rgba(255,255,255,0.18),
    transparent
  );

  border-radius: inherit;
}

body[data-theme="frutigeraero"] .btn,
body[data-theme="frutigeraero"] .tab {
  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.9),
    rgba(255,255,255,0.55)
  );
  border: 1px solid rgba(31,140,255,0.35);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.9),
    0 6px 14px rgba(31,140,255,0.25);
}

body[data-theme="frutigeraero"] .tab.active,
body[data-theme="frutigeraero"] .btn.primary {
  background: linear-gradient(
    180deg,
    rgba(31,140,255,0.35),
    rgba(31,140,255,0.15)
  );
}

body[data-theme="frutigeraero"] input,
body[data-theme="frutigeraero"] textarea {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(31,140,255,0.35);
  box-shadow: inset 0 1px 2px rgba(255,255,255,0.8);
}

/* Optional: make Aero feel “glassy” a bit more */
body[data-theme="frutigeraero"] .topbar{
  background: rgba(246,251,255,0.70);
  backdrop-filter: blur(14px);
}
body[data-theme="frutigeraero"] .logo{
  color: #062031;
}

.themeMenu{ position: relative; }

.themeBtn{
  display:flex;
  align-items:center;
  gap:10px;
  border:1px solid var(--border);
  background: color-mix(in srgb, var(--panel2) 55%, transparent);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: 150ms ease;
  white-space: nowrap;
}
.themeBtn:hover{ transform: translateY(-1px); }

.themeSwatch{
  width: 14px;
  height: 14px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 18%, transparent);
}

.themeBtnText{ font-weight: 700; font-size: 13px; }
.themeChevron{ opacity: 0.8; font-size: 12px; }

.themeDropdown{
  position: absolute;
  right: 0;
  top: 46px;
  width: 280px;
  max-height: 340px;
  overflow:auto;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  box-shadow: var(--shadow);
  padding: 10px;
  z-index: 120;
}

.themeDropTitle{
  font-size: 12px;
  color: var(--muted);
  margin: 2px 4px 10px;
}

.themeOption{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  width: 100%;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel2) 55%, transparent);
  color: var(--text);
  padding: 10px 10px;
  border-radius: 14px;
  cursor:pointer;
  transition: 150ms ease;
  text-align:left;
  margin-bottom: 8px;
}
.themeOption:hover{
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
}
.themeOption:last-child{ margin-bottom: 0; }

.themeOptionLeft{
  display:flex;
  align-items:center;
  gap:10px;
}
.themePreview{
  width: 36px;
  height: 22px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  overflow:hidden;
  position: relative;
}
.themePreview::after{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(180deg, rgba(255,255,255,0.25), transparent 55%);
  pointer-events:none;
  opacity: 0.9;
}

.themeName{ font-weight: 800; font-size: 13px; }
.themeHint{ font-size: 12px; color: var(--muted); margin-top: 2px; }

.themeActiveBadge{
  font-size: 11px;
  padding: 5px 8px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

*{ box-sizing:border-box; }

html, body{
    height:100%;
    line-height: 2.0;
}

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 700px at 15% 15%, rgba(122,162,255,0.18), transparent 45%),
              radial-gradient(900px 600px at 85% 20%, rgba(113,247,193,0.14), transparent 40%),
              var(--bg);
  color: var(--text);
}

#externalLink{
    color: #0dbd80;
    text-decoration: underline;
}
#externalLink:hover{
    color: #0b9b40;
}
#externalLink:active{
    color: powderblue;
}

.headerSearch{
  position: relative;
  width: min(420px, 42vw);
}

#globalSearch{
  width: 100%;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  outline: none;
  background: color-mix(in srgb, #000 10%, transparent);
  color: var(--text);
}

.searchResults{
  position: absolute;
  top: 44px;
  left: 0;
  width: 100%;
  max-height: 320px;
  overflow: auto;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  box-shadow: var(--shadow);
  padding: 8px;
  z-index: 100;
}

.searchItem{
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel2) 55%, transparent);
  border-radius: 14px;
  padding: 10px 10px;
  cursor: pointer;
  transition: 150ms ease;
  margin-bottom: 8px;
}
.searchItem:hover{
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 28%, transparent);
}
.searchItem:last-child{ margin-bottom: 0; }

.searchMeta{
  display:flex;
  justify-content:space-between;
  gap:10px;
  font-size:12px;
  color: var(--muted);
  margin-top: 4px;
}

.themeSelect{
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel2) 55%, transparent);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 999px;
  outline: none;
  cursor: pointer;
}

.topbar{
  position: sticky;
  top:0;
  z-index:10;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(10px);
}

/* Mobile hamburger + drawer */
.menuBtn{
  display:none;
  border:1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  color: var(--text);
  width: 44px;
  height: 44px;
  border-radius: 14px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  box-shadow: var(--shadow);
}
.menuBtn:hover{ transform: translateY(-1px); }
.menuIcon{ font-size: 18px; line-height: 1; }

.drawerOverlay{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 50;
}

.drawer{
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: min(340px, 86vw);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  border-right: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
  z-index: 60;
  transform: translateX(-102%);
  transition: transform 220ms ease;
  padding: 14px;
  display:flex;
  flex-direction:column;
  gap:12px;
  overflow-x: hidden; /* prevent horizontal scrollbars */
}

.drawerHeader{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.drawerTitle{ font-weight: 900; }

.iconBtn{
  border:1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  color: var(--text);
  width: 40px;
  height: 40px;
  border-radius: 12px;
  cursor:pointer;
}

@media (max-width: 920px) {
  .tab {
    display: flex;
    align-items: center;
    padding: 25px !important;
  }

  /* Hide Console tab in top navigation */
  .tabs .tab[data-tab="console"] {
    display: none !important;
  }

  /* Hide Console tab in mobile drawer */
  .drawerTabs .tab[data-tab="console"] {
    display: none !important;
  }

  /* Frutiger Aero — mobile drawer glass background */
  body[data-theme="frutigeraero"] .drawer {
    background: linear-gradient(
      180deg,
      rgba(255,255,255,0.82),
      rgba(255,255,255,0.58)
    );
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    border-right: 1px solid rgba(9,35,58,0.22);
    box-shadow: 0 20px 60px rgba(9,35,58,0.28);
  }

  body[data-theme="frutigeraero"] .drawerOverlay {
    background: rgba(9,35,58,0.35);
  }
}

body[data-theme="flat"]{
  --bg: #f2f2f2;
  --panel:#ffffff;
  --panel2:#ffffff;
  --text:#1f2933;
  --muted:#6b7280;
  --accent:#2563eb;
  --accent2:#2563eb;
  --danger:#dc2626;
  --border:rgba(0,0,0,0.08);
  --shadow:none;
  --selection-bg:#2563eb;
  --selection-text:#ffffff;
}

body[data-theme="flat"] *{
  box-shadow: none !important;
  background-image: none !important;
}

body[data-theme="simple"]{
  --bg:#fafafa;
  --panel:#ffffff;
  --panel2:#f9fafb;
  --text:#111827;
  --muted:#6b7280;
  --accent:#3b82f6;
  --accent2:#22c55e;
  --danger:#ef4444;
  --border:rgba(0,0,0,0.08);
  --shadow:0 6px 18px rgba(0,0,0,0.08);
  --selection-bg:#3b82f6;
  --selection-text:#ffffff;
}

body[data-theme="bright"]{
  --bg: linear-gradient(135deg, #ffecd2, #fcb69f);
  --panel:#ffffff;
  --panel2:#fff7ed;
  --text:#1f2937;
  --muted:#7c2d12;
  --accent:#fb7185;
  --accent2:#facc15;
  --danger:#dc2626;
  --border:rgba(0,0,0,0.1);
  --shadow:0 18px 45px rgba(0,0,0,0.2);
  --selection-bg:#fb7185;
  --selection-text:#ffffff;
}

body[data-theme="pastel"]{
  --bg:#fdf2f8;
  --panel:#ffffff;
  --panel2:#fce7f3;
  --text:#374151;
  --muted:#9d174d;
  --accent:#ec4899;
  --accent2:#a78bfa;
  --danger:#e11d48;
  --border:rgba(0,0,0,0.08);
  --shadow:0 10px 28px rgba(0,0,0,0.12);
  --selection-bg:#ec4899;
  --selection-text:#ffffff;
}

body[data-theme="brutalist"]{
  --bg:#ffffff;
  --panel:#ffffff;
  --panel2:#ffffff;
  --text:#000000;
  --muted:#444444;
  --accent:#000000;
  --accent2:#000000;
  --danger:#ff0000;
  --border:#000000;
  --shadow:none;
  --radius:0;
  --selection-bg:#000000;
  --selection-text:#ffffff;
}

body[data-theme="brutalist"] *{
  border-radius: 0 !important;
}

body[data-theme="darkBrutalist"]{
  --bg:#000000;
  --panel:#000000;
  --panel2:#000000;
  --text:#ffffff;
  --muted:#bbbbbb;
  --accent:#ffffff;
  --accent2:#ffffff;
  --danger:#ff0000;
  --border:#ffffff;
  --shadow:none;
  --radius:0;
  --selection-bg:#ffffff;
  --selection-text:#000000;
}

body[data-theme="darkBrutalist"] *{
  border-radius: 0 !important;
}

.drawerTabs{
  display:flex;
  flex-direction:column;
  align-items:stretch;
  gap:10px;
  /* Override `.tabs` defaults so items start at the top (no big empty space) */
  justify-content: flex-start;
  flex-wrap: nowrap;
  /* Allow the swipe drawer list (tabs + Theme) to scroll on small screens */
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding-right: 4px; /* room for scrollbar */
}
.drawerTabs .tab{
  width: 100%;
  border-radius: 14px;
  text-align:left;
}
.drawerHint{
  font-size: 12px;
  margin-bottom: 50px;
}

/* Theme entry inside the swipe (hamburger) menu */
.drawerThemeTab{
  width: 100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}

.drawerThemePanel{
  padding: 8px 4px 2px;
}

/* Drawer section rows (e.g., Theme picker) */
.drawerSection{
  border-top: 1px solid var(--border);
  padding-top: 10px;
  margin-top: 2px;
  display:flex;
  flex-direction:column;
  gap:10px;
}

.drawerRow{
  width: 100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  cursor:pointer;
  text-align:left;
}

.drawerRow:hover{ transform: translateY(-1px); }

.drawerRowLeft{ font-weight: 800; }

.drawerRowRight{
  display:flex;
  align-items:center;
  gap:10px;
  color: var(--muted);
  font-size: 13px;
}

.drawerThemeValue{ color: var(--text); opacity: 0.9; }

.drawerRowChevron{ opacity: 0.75; }

.drawerPanel{
  padding: 8px 4px 2px;
}

.drawerThemeOptions{
  display:flex;
  flex-direction:column;
  gap:10px;
  /* Single-scroll behavior: the drawer itself scrolls (not this list). */
}

.drawerHint{ margin-top: auto; }


body.drawerOpen .drawer{ transform: translateX(0); }

.brand{ display:flex; gap:12px; align-items:center; }
.logo{
  width:42px; height:42px;
  border-radius: 14px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, rgba(122,162,255,0.75), rgba(113,247,193,0.55));
  color:#0b0e14;
  font-weight:900;
  letter-spacing:0.5px;
}
.title{ font-weight:800; }
.subtitle{ color: var(--muted); font-size: 12px; margin-top: 2px; }

.topActions{
  display:flex;
  align-items:center;
  gap:10px;
}

.tabs{ display:flex; gap:8px; flex-wrap:wrap; justify-content:flex-end; }
.tab{
  border:1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 999px;
  cursor:pointer;
  transition: 150ms ease;
}
.tab:hover{ transform: translateY(-1px); }
.tab.active{
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}

.layout{
  max-width: 1200px;
  margin: 18px auto;
  padding: 0 16px 30px;
}

.panel{ display:none; gap:16px; }
.panel.active{ display:flex; }

.sidebar{
  width: 300px;
  min-width: 260px;
  background: color-mix(in srgb, var(--panel) 78%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
  height: calc(100vh - 150px);
  position: sticky;
  top: 86px;
  overflow:auto;
}

.content{
  flex:1;
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  min-height: calc(100vh - 150px);
}

.content.wide{ width:100%; }

.contentHeader{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom: 10px;
}
.contentHeader h1{ margin:0; font-size: 26px; }
.pill{
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--text);
  font-size: 12px;
}

h2{ margin: 6px 0 12px; font-size: 16px; color: var(--text); }
.list{ display:flex; flex-direction:column; gap:8px; }

.item{
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel2) 55%, transparent);
  padding: 10px 10px;
  border-radius: 14px;
  cursor:pointer;
  transition: 150ms ease;
}
.item:hover{ transform: translateY(-1px); border-color: color-mix(in srgb, var(--accent) 25%, transparent); }
.item.active{
  border-color: color-mix(in srgb, var(--accent2) 45%, transparent);
  background: color-mix(in srgb, var(--accent2) 10%, transparent);
}

.lesson p{ color: var(--text); line-height: 1.55; }
.lesson .muted{ color: var(--muted); }

pre{
  background: color-mix(in srgb, #000 20%, transparent);
  border: 1px solid var(--border);
  padding: 12px;
  border-radius: 14px;
  overflow:auto;
}
code{ color: color-mix(in srgb, var(--text) 85%, #7aa2ff 15%); }

.navButtons{
  display:flex;
  gap:10px;
  margin-top: 16px;
}

.btn{
  border:1px solid var(--border);
  background: color-mix(in srgb, var(--panel2) 55%, transparent);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 14px;
  cursor:pointer;
  transition: 150ms ease;
  white-space:nowrap;
}
.btn:hover{ transform: translateY(-1px); }
.btn.primary{
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}
.btn.danger{
  border-color: color-mix(in srgb, var(--danger) 55%, transparent);
  background: color-mix(in srgb, var(--danger) 12%, transparent);
}

.hint{
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}
.kbd{
  border: 1px solid var(--border);
  background: color-mix(in srgb, #000 12%, transparent);
  padding: 2px 8px;
  border-radius: 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  color: var(--text);
}

.search{
  width: 100%;
  margin: 10px 0;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  outline: none;
  background: color-mix(in srgb, #000 10%, transparent);
  color: var(--text);
}

.quiz .q{
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel2) 55%, transparent);
  padding: 12px;
  border-radius: 14px;
  margin: 10px 0;
}
.quiz .q h3{ margin:0 0 10px; font-size: 15px; }
.quiz label{ display:block; margin: 6px 0; color: var(--text); }
.quiz input[type="text"]{
  width:100%;
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, #000 10%, transparent);
  color: var(--text);
  outline:none;
}

.result{
  margin-top: 12px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, #000 10%, transparent);
  color: var(--text);
  display:none;
}
.result.show{ display:block; }
.result.ok{ border-color: color-mix(in srgb, var(--accent2) 45%, transparent); }
.result.bad{ border-color: color-mix(in srgb, var(--danger) 55%, transparent); }

.missionCard{
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel2) 55%, transparent);
  padding: 12px;
  border-radius: 14px;
  margin-bottom: 14px;
}
.missionText{ color: var(--text); line-height: 1.5; }
.stats{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top: 10px;
}
.stat{
  display:flex;
  gap:10px;
  align-items:center;
  border: 1px solid var(--border);
  background: color-mix(in srgb, #000 10%, transparent);
  padding: 8px 10px;
  border-radius: 14px;
  min-width: 95px;
}
.stat span{ color: var(--muted); font-size: 12px; width: 24px; }
.stat strong{ font-size: 14px; }

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 980px){
  .panel.active{ flex-direction:column; }
  .sidebar{ position: relative; top:0; height:auto; width:auto; }
  .split{ grid-template-columns: 1fr; }
}

.box{
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel2) 55%, transparent);
  border-radius: 14px;
  overflow:hidden;
}
.boxHeader{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:10px;
  padding: 12px 12px 8px;
  border-bottom: 1px solid var(--border);
}
.boxHeader h3{ margin:0; font-size: 15px; }
.miniHint{ color: var(--muted); font-size: 12px; }

textarea{
  width:100%;
  min-height: 310px;
  resize: vertical;
  border: none;
  outline:none;
  padding: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  background: color-mix(in srgb, #000 10%, transparent);
  color: var(--text);
}
.toolbar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding: 12px;
  border-top: 1px solid var(--border);
}

.terminal{
  height: 310px;
  overflow:auto;
  padding: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  background: color-mix(in srgb, #000 12%, transparent);
}
.termLine{ margin: 0 0 6px; white-space:pre-wrap; }
.termLine.muted{ color: var(--muted); }
.termLine.err{ color: var(--danger); }
.termLine.ok{ color: var(--accent2); }

.termInputRow{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 10px 12px;
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, #000 6%, transparent);
}
.prompt{ color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
#termInput{
  flex:1;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  outline:none;
  background: color-mix(in srgb, #000 10%, transparent);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
}

.footer{
  max-width: 1200px;
  margin: 0 auto;
  padding: 8px 16px 18px;
  display:flex;
  justify-content:space-between;
  color: var(--muted);
  font-size: 12px;
}
.muted{ color: var(--muted); }

/* -----------------------------
   Motion + micro-interactions
   ----------------------------- */

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

:where(button, .btn, .tab, .item, .themeBtn, .themeOption, .searchItem):focus-visible,
:where(input, textarea):focus-visible{
  outline: none;
  box-shadow: var(--ring);
}

@keyframes gtFadeUp{
  from{ opacity: 0; transform: translateY(10px); }
  to{ opacity: 1; transform: translateY(0); }
}

@keyframes gtPop{
  0%{ transform: translateY(0) scale(1); }
  40%{ transform: translateY(-1px) scale(1.02); }
  100%{ transform: translateY(0) scale(1); }
}

@keyframes gtSoftPulse{
  0%{ box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 22%, transparent); }
  100%{ box-shadow: 0 0 0 14px transparent; }
}

@keyframes gtShimmer{
  from{ transform: translateX(-120%) skewX(-12deg); opacity: 0; }
  35%{ opacity: .9; }
  to{ transform: translateX(220%) skewX(-12deg); opacity: 0; }
}

/* Panels: animate content on tab change (panel still uses display none/flex) */
.panel.active .sidebar,
.panel.active .content{
  animation: gtFadeUp var(--dur-4) var(--ease-spring) both;
}
.panel.active .content{ animation-delay: 40ms; }

/* Buttons */
.btn, .tab, .themeBtn, .themeOption{
  position: relative;
  overflow: hidden;
  will-change: transform;
  transform: translateZ(0);
  transition:
    transform var(--dur-2) var(--ease-spring),
    box-shadow var(--dur-3) var(--ease-out),
    border-color var(--dur-2) var(--ease-out),
    background-color var(--dur-2) var(--ease-out),
    filter var(--dur-2) var(--ease-out);
}

.btn::after, .tab::after, .themeBtn::after, .themeOption::after{
  content:"";
  position:absolute;
  top:-40%;
  left:-60%;
  width: 52%;
  height: 180%;
  background: linear-gradient(
    90deg,
    transparent,
    color-mix(in srgb, #fff 16%, transparent),
    transparent
  );
  opacity: 0;
  pointer-events:none;
}

.btn:hover, .tab:hover, .themeBtn:hover, .themeOption:hover{
  transform: var(--lift);
  box-shadow: 0 12px 28px color-mix(in srgb, #000 30%, transparent);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
}

.btn:hover::after, .tab:hover::after, .themeBtn:hover::after, .themeOption:hover::after{
  opacity: 1;
  animation: gtShimmer 900ms var(--ease-out);
}


/* Frutiger Aero: stronger glossy shine sweep on hover (theme-specific) */
body[data-theme="frutigeraero"] .btn::after,
body[data-theme="frutigeraero"] .tab::after,
body[data-theme="frutigeraero"] .themeBtn::after,
body[data-theme="frutigeraero"] .themeOption::after{
  /* brighter, wider specular highlight for the only glossy theme */
  width: 64%;
  left: -72%;
  background: linear-gradient(
    90deg,
    transparent,
    color-mix(in srgb, #fff 34%, transparent),
    color-mix(in srgb, #fff 58%, transparent),
    color-mix(in srgb, #fff 34%, transparent),
    transparent
  );
}

body[data-theme="frutigeraero"] .btn:hover::after,
body[data-theme="frutigeraero"] .tab:hover::after,
body[data-theme="frutigeraero"] .themeBtn:hover::after,
body[data-theme="frutigeraero"] .themeOption:hover::after{
  opacity: 1;
  animation: gtShimmer 1100ms var(--ease-out);
  filter: blur(0.6px);
}



.btn:active, .tab:active, .themeBtn:active, .themeOption:active{
  transform: translateY(0) scale(0.98);
  filter: saturate(1.05);
}

.btn.tap, .tab.tap, .themeBtn.tap, .themeOption.tap{
  animation: gtPop 220ms var(--ease-spring);
}

/* Blocks / cards */
.item, .searchItem, .quiz .q, .missionCard, .box, .stat{
  transition:
    transform var(--dur-2) var(--ease-spring),
    box-shadow var(--dur-3) var(--ease-out),
    border-color var(--dur-2) var(--ease-out),
    background-color var(--dur-2) var(--ease-out);
}

:where(.item, .searchItem, .quiz .q, .missionCard, .box):hover{
  transform: translateY(-1px);
  box-shadow: 0 14px 34px color-mix(in srgb, #000 28%, transparent);
  border-color: color-mix(in srgb, var(--accent) 22%, transparent);
}

/* Quiz: stagger question entrance */
.quiz .q{
  animation: gtFadeUp var(--dur-4) var(--ease-spring) both;
}
.quiz .q:nth-child(1){ animation-delay: 0ms; }
.quiz .q:nth-child(2){ animation-delay: 35ms; }
.quiz .q:nth-child(3){ animation-delay: 70ms; }
.quiz .q:nth-child(4){ animation-delay: 105ms; }
.quiz .q:nth-child(5){ animation-delay: 140ms; }
.quiz .q:nth-child(6){ animation-delay: 175ms; }
.quiz .q:nth-child(7){ animation-delay: 210ms; }
.quiz .q:nth-child(8){ animation-delay: 245ms; }


/* Results: nice reveal */
.result{
  /* keep out of layout until shown */
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(8px);
  pointer-events:none;
  margin-top: 0;
  padding: 0;
  border-width: 0;
  transition:
    max-height var(--dur-4) var(--ease-out),
    opacity var(--dur-3) var(--ease-out),
    transform var(--dur-3) var(--ease-spring);
}
.result.show{
  max-height: 480px;
  opacity: 1;
  transform: translateY(0);
  animation: gtFadeUp var(--dur-4) var(--ease-spring) both;
  pointer-events:auto;
  margin-top: 12px;
  padding: 12px;
  border-width: 1px;
}
.result.ok{ box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent2) 28%, transparent); }
.result.ok.show{ animation: gtSoftPulse 650ms var(--ease-out); }


/* Terminal lines */
.termLine{
  opacity: 0;
  transform: translateY(6px);
  animation: gtFadeUp var(--dur-3) var(--ease-spring) forwards;
  padding: 2px 0;
  white-space: pre-wrap;
}
.termLine.ok{ color: color-mix(in srgb, var(--accent2) 85%, var(--text)); }
.termLine.err{ color: color-mix(in srgb, var(--danger) 85%, var(--text)); }
.termLine.muted{ color: var(--muted); }

/* HUD: flash changed values */
.hudFlash{
  animation: gtPop 240ms var(--ease-spring);
}

/* ---------------------------------------------
   Mobile / small-screen polish
   --------------------------------------------- */

/* Let long strings wrap (URLs, code snippets, etc.) */
pre, code, .miniHint, .lesson, .missionText { overflow-wrap: anywhere; word-break: break-word; }

/* Better mobile scrolling for any horizontal overflow */
.tabs, .searchResults{ -webkit-overflow-scrolling: touch; }

/* Tablet and down */
@media (max-width: 720px){
  html, body{ line-height: 1.6; }

  .topbar{
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 12px;
  }

  /* Replace the tab row with a slide-out menu */
  .menuBtn{ display: flex; }
  #tabs{ display: none; }

  .brand{ flex: 1 1 240px; min-width: 0; }

  .topActions{
    width: 100%;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
  }

  .headerSearch{ width: 100%; order: 1; }
  /* Theme selector lives inside the hamburger menu on mobile */
  .themeMenu{ display: none; }

  /* Drawer tabs are full-width buttons */
  .drawerTabs .tab{ font-size: 14px; padding: 12px 12px; }

  /* Prevent dropdowns from falling off-screen */
  .themeDropdown{ width: min(280px, 92vw); }
  .searchResults{ width: 100%; }

  .layout{ margin: 12px auto; padding: 0 12px 22px; }

  .content{ padding: 14px; }
  .contentHeader h1{ font-size: 22px; }

  .navButtons{ flex-direction: column; }
  .navButtons .btn{ width: 100%; justify-content: center; }

  .toolbar{ gap: 8px; }
  .toolbar .btn{ flex: 1 1 auto; min-width: 120px; }

  textarea{ min-height: 240px; }
  .terminal{ height: 240px; }
}

/* Phone and down */
@media (max-width: 520px){
  .logo, .logo-gtasm{ width: 38px; height: 38px; border-radius: 12px; }
  .title{ font-size: 15px; }
  .subtitle{ display: none; }

  #globalSearch{ padding: 10px 12px; }
  .searchResults{ max-height: 52vh; }

  .stat{ min-width: 86px; }
  .boxHeader{ flex-direction: column; align-items: flex-start; }
}

/* Explain my code panel (missions) */
.explainPanel{
  margin-top: 14px;
  padding: 12px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel2) 70%, transparent), color-mix(in srgb, var(--panel) 60%, transparent));
}
.explainBlock{
  margin-top: 10px;
}
.explainBlock ul{
  margin: 10px 0 0 18px;
}


/* Console page */
/* Online compiler embed */
.compilerWrap{
  margin-top: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: color-mix(in srgb, var(--panel2) 55%, transparent);
  box-shadow: var(--shadow);
  position: relative;
}
.compilerFrame{
  width: 100%;
  height: min(78vh, 820px);
  border: 0;
  display:block;
  background: transparent;
}

.consoleWrap{
  margin-top: 10px;
}
.consoleOut{
  min-height: 340px;
}
.consoleInputRow{
  margin-top: 10px;
  gap: 10px;
}
.consoleInputRow input{
  flex: 1;
}

/* JS can disable the legacy header theme menu when the drawer theme picker is active */
.themeMenu.themeMenuDisabled{ display:none; }

/*
  Drawer fixes (mobile)
  - Remove the big empty space above the buttons (caused by `.tabs { justify-content:flex-end; }`)
  - Prevent horizontal (x-axis) scrolling inside the swipe menu
  - Keep a single, vertical scroll for the whole drawer menu
*/
.drawer .drawerTabs.tabs{
  justify-content: flex-start !important;
  flex-wrap: nowrap !important;
}

.drawer .drawerTabs{
  min-height: 0; /* allow overflow scrolling inside the flex drawer */
  overflow-x: hidden !important;
  max-width: 100%;
  padding-top: 0;
}

.drawer .drawerTabs > *{
  max-width: 100%;
}

.drawerThemeSection{ width: 100%; }

.drawerThemeHeading{
  margin: 10px 6px 4px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--muted);
}