/* ============================================================
   APP STYLES — layout, typography, components
   ============================================================ */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
::selection { background: var(--selection); }

html {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre, kbd, samp {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
  font-size: 13px;
}

kbd {
  background: var(--kbd);
  border: 1px solid var(--border-soft);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 11px;
  font-weight: 500;
  color: var(--fg-strong);
  white-space: nowrap;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button { cursor: pointer; background: none; border: none; padding: 0; color: inherit; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ============================================================
   LAYOUT
   ============================================================ */

.app {
  display: grid;
  grid-template-columns: 280px 1fr;
  grid-template-rows: 56px 1fr;
  grid-template-areas:
    "topbar topbar"
    "sidebar main";
  height: 100vh;
  width: 100%;
}

.topbar {
  grid-area: topbar;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border-soft);
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--fg-strong);
  font-size: 15px;
  letter-spacing: -0.01em;
}

.brand .logo {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid;
  place-items: center;
  color: white;
  font-size: 16px;
}

.brand small { color: var(--fg-muted); font-weight: 500; font-size: 11px; }

.search-wrap {
  flex: 1;
  max-width: 720px;
  position: relative;
}

.search-input {
  width: 100%;
  height: 36px;
  padding: 0 40px 0 38px;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  color: var(--fg);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.search-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
.search-input::placeholder { color: var(--fg-muted); }

.search-icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--fg-muted); pointer-events: none;
}
.search-kbd { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); }

.topbar-actions { display: flex; align-items: center; gap: 6px; }

.icon-btn {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 8px;
  color: var(--fg-muted);
  transition: background .15s, color .15s;
}
.icon-btn:hover { background: var(--bg-elev-2); color: var(--fg); }
.icon-btn.active { background: var(--bg-elev-2); color: var(--accent); }

/* ============================================================
   SIDEBAR
   ============================================================ */

.sidebar {
  grid-area: sidebar;
  background: var(--bg-elev);
  border-right: 1px solid var(--border-soft);
  overflow-y: auto;
  padding: 16px 8px 24px;
}
.sidebar h3 {
  margin: 16px 12px 6px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--fg-muted);
}
.sidebar h3:first-of-type { margin-top: 0; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 12px;
  border-radius: 6px;
  color: var(--fg);
  font-size: 14px;
  cursor: pointer;
  user-select: none;
  border: 1px solid transparent;
  transition: background .12s, color .12s, border-color .12s;
}
.nav-item:hover { background: var(--bg-elev-2); }
.nav-item.active {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--fg-strong);
  font-weight: 500;
}
.nav-item .nav-count {
  margin-left: auto;
  font-size: 11px;
  color: var(--fg-muted);
  background: var(--bg);
  padding: 1px 6px;
  border-radius: 10px;
}

/* ============================================================
   MAIN
   ============================================================ */

.main {
  grid-area: main;
  overflow-y: auto;
  scroll-padding-top: 80px;
}

.main-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 32px 80px;
}

.section-header {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-soft);
}
.section-header h1 {
  font-size: 28px;
  margin: 0 0 6px;
  color: var(--fg-strong);
  letter-spacing: -0.02em;
  display: flex; align-items: center; gap: 12px;
}
.section-header p { margin: 0; color: var(--fg-muted); }

.group {
  margin: 36px 0;
  content-visibility: auto;
  contain-intrinsic-size: 600px;
}
.group h2 {
  font-size: 20px;
  color: var(--fg-strong);
  margin: 0 0 6px;
  letter-spacing: -0.01em;
  display: flex; align-items: center; gap: 8px;
}
.group .group-summary { color: var(--fg-muted); margin: 0 0 16px; font-size: 14px; }
.group .group-links {
  display: flex; flex-wrap: wrap; gap: 6px 14px;
  margin: 8px 0 16px;
  font-size: 13px;
}
.group .group-links a { display: inline-flex; align-items: center; gap: 4px; }

.snippet {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  margin: 12px 0;
  overflow: hidden;
}
.snippet-header {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border-soft);
}
.snippet-header h4 {
  margin: 0; font-size: 14px; font-weight: 600; color: var(--fg-strong); flex: 1;
  overflow: hidden; text-overflow: ellipsis;
}
.snippet-header .lang-tag {
  font-size: 10px; padding: 2px 7px; border-radius: 10px;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-weight: 600;
}
.snippet-header .copy-btn {
  font-size: 12px; padding: 4px 10px; border-radius: 6px;
  color: var(--fg-muted); border: 1px solid var(--border-soft);
  display: inline-flex; align-items: center; gap: 4px;
  transition: all .12s;
}
.snippet-header .copy-btn:hover { color: var(--fg-strong); border-color: var(--border); background: var(--bg-elev-2); }
.snippet-header .copy-btn.copied { color: var(--success); border-color: var(--success); }

.snippet pre {
  margin: 0;
  padding: 14px 16px;
  background: var(--bg-code);
  overflow-x: auto;
  max-height: 480px;
}
.snippet pre code { color: var(--fg); white-space: pre; }

.snippet .tip {
  background: color-mix(in srgb, var(--warn) 12%, transparent);
  border-top: 1px solid color-mix(in srgb, var(--warn) 30%, transparent);
  color: var(--fg);
  padding: 8px 14px;
  font-size: 13px;
}
.snippet .tip::before {
  content: "💡 ";
  margin-right: 4px;
}

.snippet .tags {
  display: flex; flex-wrap: wrap; gap: 4px;
  padding: 6px 14px;
  border-top: 1px solid var(--border-soft);
  background: var(--bg-elev);
}
.snippet .tag {
  font-size: 11px;
  padding: 1px 8px;
  border-radius: 10px;
  background: var(--bg-elev-2);
  color: var(--fg-muted);
}

/* ============================================================
   COMMAND PALETTE / MODAL
   ============================================================ */

.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: grid; place-items: start center;
  padding-top: 12vh;
}
.palette {
  width: min(640px, 92vw);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
  max-height: 70vh;
  display: flex; flex-direction: column;
}
.palette-input {
  width: 100%; height: 50px;
  padding: 0 16px;
  background: transparent;
  border: none; outline: none;
  font-size: 16px;
  color: var(--fg-strong);
  border-bottom: 1px solid var(--border-soft);
}
.palette-results {
  flex: 1;
  overflow-y: auto;
  padding: 6px 0;
}
.palette-result {
  padding: 8px 16px;
  display: flex; align-items: center; gap: 12px;
  cursor: pointer;
  border-left: 3px solid transparent;
}
.palette-result:hover, .palette-result.selected {
  background: var(--bg-elev-2);
  border-left-color: var(--accent);
}
.palette-result .pr-icon { color: var(--fg-muted); width: 20px; }
.palette-result .pr-title { color: var(--fg-strong); font-size: 14px; }
.palette-result .pr-section { color: var(--fg-muted); font-size: 12px; margin-left: auto; }
.palette-empty { padding: 32px; text-align: center; color: var(--fg-muted); }

/* ============================================================
   CALCULATORS PANEL
   ============================================================ */

.tool-tabs {
  display: flex; flex-wrap: wrap; gap: 4px;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 20px;
  padding-bottom: 4px;
}
.tool-tab {
  padding: 7px 12px;
  border-radius: 6px;
  color: var(--fg-muted);
  font-size: 13px;
  font-weight: 500;
}
.tool-tab:hover { background: var(--bg-elev-2); color: var(--fg); }
.tool-tab.active { background: var(--bg-elev-2); color: var(--accent); }

.tool-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 900px) { .tool-grid { grid-template-columns: 1fr; } }

.tool {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 16px;
}
.tool h3 { margin: 0 0 12px; font-size: 16px; color: var(--fg-strong); display: flex; align-items: center; gap: 8px; }
.tool label { display: block; font-size: 12px; color: var(--fg-muted); margin: 8px 0 4px; font-weight: 500; }
.tool input, .tool select, .tool textarea {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  color: var(--fg);
  outline: none;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px;
}
.tool textarea { resize: vertical; min-height: 80px; }
.tool input:focus, .tool select:focus, .tool textarea:focus { border-color: var(--accent); }
.tool .btn-row { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.tool button.btn {
  padding: 7px 12px;
  background: var(--accent);
  color: white;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  transition: opacity .15s;
}
.tool button.btn:hover { opacity: .9; }
.tool button.btn.ghost {
  background: transparent;
  border: 1px solid var(--border-soft);
  color: var(--fg);
}
.tool button.btn.ghost:hover { background: var(--bg-elev-2); }

.tool .result {
  margin-top: 12px;
  padding: 12px;
  background: var(--bg-code);
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  white-space: pre-wrap;
  overflow-x: auto;
  color: var(--fg-strong);
}
.tool .result.error { color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 40%, transparent); }
.tool .kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 12px; font-size: 13px; }
.tool .kv dt { color: var(--fg-muted); }
.tool .kv dd { margin: 0; color: var(--fg-strong); font-family: 'JetBrains Mono', monospace; word-break: break-all; }

/* ============================================================
   ARCHITECTURE DESIGNER
   ============================================================ */

.designer {
  display: grid;
  grid-template-columns: 280px 1fr 1fr;
  grid-template-rows: 1fr;
  gap: 12px;
  height: calc(100vh - 56px - 60px);
  min-height: 600px;
}
@media (max-width: 1100px) {
  .designer { grid-template-columns: 1fr; grid-template-rows: 200px 300px 1fr; }
}

.designer-templates {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  overflow-y: auto;
  padding: 8px;
}
.designer-templates h3 { font-size: 12px; color: var(--fg-muted); text-transform: uppercase; letter-spacing: .08em; margin: 6px 8px; }
.template-item {
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}
.template-item:hover { background: var(--bg-elev-2); }
.template-item.active { background: color-mix(in srgb, var(--accent) 15%, transparent); color: var(--accent-2); }
.template-item .ti-desc { color: var(--fg-muted); font-size: 11px; margin-top: 2px; }
.template-item .ti-engine {
  display: inline-block; font-size: 9px; padding: 1px 5px;
  background: var(--bg-elev-2); border-radius: 8px; margin-left: 4px;
  text-transform: uppercase; color: var(--fg-muted);
}

.designer-editor, .designer-preview {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  display: flex; flex-direction: column;
  overflow: hidden;
}
.designer-toolbar {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-soft);
  font-size: 12px;
  color: var(--fg-muted);
}
.designer-toolbar button {
  font-size: 12px; padding: 4px 8px; border-radius: 5px;
  color: var(--fg-muted); border: 1px solid var(--border-soft);
}
.designer-toolbar button:hover { color: var(--fg-strong); background: var(--bg-elev-2); }
.designer-editor textarea {
  flex: 1;
  width: 100%;
  border: none;
  outline: none;
  background: var(--bg-code);
  color: var(--fg);
  padding: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  resize: none;
}
.designer-preview-canvas {
  flex: 1;
  overflow: auto;
  padding: 16px;
  background: var(--bg);
  display: grid; place-items: center;
}
.designer-preview-canvas svg { max-width: 100%; }
.designer-error {
  color: var(--danger);
  padding: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  white-space: pre-wrap;
}

/* ============================================================
   MISC / TOAST / BADGES / MOBILE
   ============================================================ */

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-left: 3px solid var(--success);
  border-radius: 8px;
  padding: 10px 16px;
  color: var(--fg-strong);
  box-shadow: var(--shadow);
  z-index: 200;
  font-size: 14px;
  animation: slideIn .2s ease-out;
}
@keyframes slideIn { from { transform: translateY(8px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.empty-state { text-align: center; color: var(--fg-muted); padding: 60px 20px; }
.empty-state h2 { color: var(--fg); margin: 0 0 8px; }

.loading {
  display: grid; place-items: center;
  padding: 60px;
  color: var(--fg-muted);
}
.spinner {
  width: 24px; height: 24px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.mobile-menu-btn { display: none; }

@media (max-width: 768px) {
  .app { grid-template-columns: 1fr; grid-template-areas: "topbar" "main"; }
  .sidebar {
    position: fixed;
    top: 56px;
    left: 0;
    bottom: 0;
    width: 280px;
    transform: translateX(-100%);
    transition: transform .2s;
    z-index: 40;
  }
  .sidebar.open { transform: translateX(0); }
  .mobile-menu-btn { display: grid; }
  .main-inner { padding: 16px; }
  .designer { height: auto; }
  .brand small { display: none; }
  .search-wrap { max-width: none; }
}

/* Print */
@media print {
  .topbar, .sidebar, .icon-btn, .copy-btn, .tool .btn-row { display: none !important; }
  .app { grid-template-columns: 1fr; grid-template-areas: "main" "main"; }
  .main { overflow: visible; }
  .main-inner { max-width: none; padding: 0; }
  .snippet { break-inside: avoid; box-shadow: none; }
  .snippet pre { max-height: none; overflow: visible; }
  body { background: white; color: black; }
}

/* Highlight.js theme bridge — coloring tokens via theme variables */
.hljs { background: transparent !important; color: var(--fg); }
.hljs-keyword, .hljs-selector-tag, .hljs-built_in { color: var(--accent-2); }
.hljs-string, .hljs-attr { color: var(--success); }
.hljs-number, .hljs-literal { color: var(--warn); }
.hljs-comment { color: var(--fg-muted); font-style: italic; }
.hljs-title, .hljs-section, .hljs-name { color: var(--accent); }
.hljs-variable, .hljs-template-variable, .hljs-regexp { color: var(--danger); }
.hljs-meta { color: var(--fg-muted); }
.hljs-tag, .hljs-bullet { color: var(--accent); }

/* Theme picker dropdown */
.theme-menu {
  position: absolute;
  right: 0; top: 44px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 6px;
  min-width: 220px;
  box-shadow: var(--shadow);
  z-index: 60;
}
.theme-menu button {
  display: flex; align-items: center; gap: 10px;
  width: 100%;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--fg);
  text-align: left;
}
.theme-menu button:hover { background: var(--bg-elev-2); }
.theme-menu button.active { color: var(--accent); }
.theme-menu .swatch {
  width: 16px; height: 16px; border-radius: 4px;
  border: 1px solid var(--border-soft);
  flex-shrink: 0;
}

/* Shortcuts overlay */
.shortcuts {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px 32px;
  font-size: 13px;
}
.shortcuts h3 { grid-column: span 2; margin: 12px 0 4px; color: var(--fg-strong); font-size: 14px; }
.shortcuts .row { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 4px 0; }
.shortcuts .row .keys { display: flex; gap: 4px; }

/* ============================================================
   v2: LANDING PAGE
   ============================================================ */
.landing { padding: 0 4px; }
.landing-hero {
  display: grid; grid-template-columns: 1fr auto; gap: 24px;
  padding: 32px 28px; margin: 8px 0 32px;
  background: linear-gradient(140deg, color-mix(in srgb, var(--accent) 8%, var(--bg-elev)), var(--bg-elev) 50%, color-mix(in srgb, var(--accent-2) 6%, var(--bg-elev)));
  border: 1px solid var(--border-soft); border-radius: 14px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.hero-eyebrow { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px;
  border-radius: 999px; background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent); font-size: 11px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 12px; }
.hero-title { margin: 0 0 8px; font-size: clamp(28px, 4vw, 40px); font-weight: 700; color: var(--fg-strong); letter-spacing: -0.02em; line-height: 1.1; }
.hero-sub { margin: 0 0 18px; color: var(--fg); font-size: 15px; max-width: 620px; line-height: 1.55; }
.hero-search {
  display: flex; align-items: center; gap: 10px; padding: 12px 16px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 10px;
  margin-bottom: 14px; transition: border-color 0.15s, box-shadow 0.15s;
}
.hero-search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
.hero-search input { flex: 1; background: transparent; border: 0; outline: none; color: var(--fg-strong); font-size: 15px; min-width: 0; }
.hero-search-hint { font-family: var(--mono); font-size: 11px; padding: 2px 6px; background: var(--bg-elev); border: 1px solid var(--border-soft); border-radius: 4px; color: var(--fg-muted); }
.hero-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 5px 10px; font-size: 12px; font-weight: 500;
  background: var(--bg); border: 1px solid var(--border-soft); border-radius: 999px;
  color: var(--fg-muted); cursor: pointer; transition: all 0.12s;
}
.chip:hover { color: var(--fg-strong); border-color: var(--accent); background: color-mix(in srgb, var(--accent) 6%, var(--bg)); }
.chip.active { background: color-mix(in srgb, var(--accent) 15%, var(--bg)); border-color: var(--accent); color: var(--accent); }
.chip-clear { color: var(--err); }
.hero-stats { display: grid; grid-template-columns: repeat(2, auto); gap: 16px 28px; padding: 4px; align-self: center; }
.hero-stats div { display: flex; flex-direction: column; align-items: flex-end; }
.hero-stats b { font-size: 26px; color: var(--accent); line-height: 1; font-weight: 700; }
.hero-stats span { font-size: 11px; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 2px; }
@media (max-width: 720px) {
  .landing-hero { grid-template-columns: 1fr; padding: 22px 18px; }
  .hero-stats { grid-template-columns: repeat(4, auto); justify-content: center; }
  .hero-stats div { align-items: center; }
}

/* Landing search results */
.landing-results { margin: 24px 0; padding: 16px; background: var(--bg-elev); border: 1px solid var(--border-soft); border-radius: 10px; }
.landing-result-list { display: flex; flex-direction: column; gap: 4px; max-height: 60vh; overflow-y: auto; }
.landing-result {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  background: var(--bg); border: 1px solid var(--border-soft); border-radius: 6px;
  cursor: pointer; transition: all 0.1s;
}
.landing-result:hover { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 4%, var(--bg)); }
.lr-title { color: var(--fg-strong); font-weight: 500; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lr-sec { color: var(--fg-muted); font-size: 11px; padding: 2px 8px; background: var(--bg-elev); border-radius: 999px; flex-shrink: 0; }
.lr-tags { font-size: 10px; color: var(--accent-2); font-family: var(--mono); flex-shrink: 0; max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lr-lang { font-size: 10px; color: var(--fg-muted); padding: 1px 6px; background: var(--bg-elev); border-radius: 4px; font-family: var(--mono); flex-shrink: 0; }

/* Landing topic cards */
.landing-section-h { display: flex; align-items: center; gap: 8px; margin: 32px 0 12px; font-size: 14px; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; }
.landing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.topic-card {
  display: flex; flex-direction: column; gap: 8px;
  padding: 18px; background: var(--bg-elev); border: 1px solid var(--border-soft);
  border-radius: 10px; cursor: pointer; transition: all 0.15s;
}
.topic-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.tc-head { display: flex; align-items: center; gap: 10px; color: var(--accent); }
.tc-icon { width: 22px; height: 22px; }
.tc-head h4 { margin: 0; color: var(--fg-strong); font-size: 16px; font-weight: 600; }
.tc-hint { margin: 0; color: var(--fg-muted); font-size: 13px; line-height: 1.5; }
.tc-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 6px; padding-top: 10px; border-top: 1px solid var(--border-soft); }
.tc-count { font-size: 11px; color: var(--fg-muted); font-family: var(--mono); }
.tc-arrow { color: var(--accent); display: inline-flex; }
.topic-card:hover .tc-arrow { transform: translateX(2px); transition: transform 0.15s; }

/* Featured cards */
.landing-featured { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; }
.feature-card {
  display: flex; align-items: flex-start; gap: 14px; padding: 16px;
  background: var(--bg-elev); border: 1px solid var(--border-soft); border-radius: 10px;
  text-decoration: none; cursor: pointer; transition: all 0.15s;
  border-left: 3px solid var(--accent);
}
.feature-card:hover { background: var(--bg); transform: translateY(-1px); border-color: var(--accent); }
.feature-ansible { border-left-color: #ee0000; }
.feature-tf { border-left-color: #844fba; }
.feature-designer { border-left-color: #58a6ff; }
.feature-builder { border-left-color: #f7b955; }
.feature-firewall { border-left-color: #f87171; }
.feature-k8s { border-left-color: #326ce5; }
.ff-ic { width: 26px; height: 26px; color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.ff-eye { font-size: 10px; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; }
.ff-title { font-size: 15px; color: var(--fg-strong); font-weight: 600; margin: 2px 0 4px; }
.ff-sub { font-size: 12px; color: var(--fg-muted); line-height: 1.45; }

.landing-quickstart { margin: 32px 0 8px; padding: 18px; background: var(--bg-elev); border: 1px solid var(--border-soft); border-radius: 10px; }
.landing-quickstart h4 { margin: 0 0 8px; display: flex; align-items: center; gap: 8px; color: var(--fg-strong); font-size: 14px; }
.landing-quickstart ul { margin: 0; padding-left: 22px; line-height: 1.9; color: var(--fg); font-size: 13px; }

/* Snippet flash highlight when scrolled-to from search */
.snippet.flash { animation: flashbg 1.5s ease-out; }
@keyframes flashbg { 0% { box-shadow: 0 0 0 3px var(--accent); } 100% { box-shadow: 0 0 0 0 transparent; } }

/* ============================================================
   v2: DESIGNER SEARCH/FILTER + GUI BUILDER
   ============================================================ */
.designer-controls { display: flex; gap: 8px; align-items: center; padding: 10px 12px; background: var(--bg-elev); border: 1px solid var(--border-soft); border-radius: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.designer-controls input { flex: 1; min-width: 180px; padding: 6px 10px; background: var(--bg); border: 1px solid var(--border-soft); border-radius: 6px; color: var(--fg-strong); font-size: 13px; outline: none; }
.designer-controls input:focus { border-color: var(--accent); }
.designer-tagbar { display: flex; flex-wrap: wrap; gap: 4px; padding: 4px 0; }
.designer-tagbar .chip { font-size: 11px; padding: 3px 8px; }

/* Builder Wizard */
.builder { padding: 0 4px; }
.builder-stepper { display: flex; gap: 4px; margin-bottom: 16px; flex-wrap: wrap; }
.builder-step {
  flex: 1; min-width: 120px;
  padding: 10px 12px; background: var(--bg-elev); border: 1px solid var(--border-soft);
  border-radius: 8px; cursor: pointer; transition: all 0.12s; font-size: 12px;
  display: flex; flex-direction: column; gap: 2px;
}
.builder-step.active { background: color-mix(in srgb, var(--accent) 12%, var(--bg-elev)); border-color: var(--accent); }
.builder-step.done { border-color: var(--ok); }
.builder-step .bs-num { font-size: 10px; color: var(--fg-muted); font-weight: 600; }
.builder-step .bs-title { color: var(--fg-strong); font-weight: 600; font-size: 13px; }
.builder-step.active .bs-num { color: var(--accent); }
.builder-step.done .bs-num { color: var(--ok); }
.builder-content { padding: 22px; background: var(--bg-elev); border: 1px solid var(--border-soft); border-radius: 10px; min-height: 320px; }
.builder-content h2 { margin: 0 0 6px; color: var(--fg-strong); font-size: 20px; }
.builder-content > p { margin: 0 0 18px; color: var(--fg-muted); }
.builder-q { margin-bottom: 18px; }
.builder-q label { display: block; font-size: 13px; color: var(--fg-strong); font-weight: 600; margin-bottom: 6px; }
.builder-q .hint { font-size: 12px; color: var(--fg-muted); margin-bottom: 8px; }
.builder-q input[type=text], .builder-q select, .builder-q textarea { width: 100%; padding: 8px 10px; background: var(--bg); border: 1px solid var(--border-soft); border-radius: 6px; color: var(--fg-strong); font-size: 13px; outline: none; font-family: inherit; }
.builder-q input:focus, .builder-q select:focus, .builder-q textarea:focus { border-color: var(--accent); }
.builder-options { display: flex; flex-wrap: wrap; gap: 6px; }
.builder-option {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 12px; font-size: 12px;
  background: var(--bg); border: 1px solid var(--border-soft); border-radius: 999px;
  color: var(--fg); cursor: pointer; transition: all 0.1s; user-select: none;
}
.builder-option:hover { border-color: var(--accent); }
.builder-option.selected { background: color-mix(in srgb, var(--accent) 18%, var(--bg)); border-color: var(--accent); color: var(--accent); }
.builder-actions { display: flex; gap: 8px; justify-content: space-between; margin-top: 22px; padding-top: 14px; border-top: 1px solid var(--border-soft); }
.builder-actions .btn { padding: 8px 16px; background: var(--bg); border: 1px solid var(--border-soft); border-radius: 6px; color: var(--fg-strong); cursor: pointer; font-size: 13px; }
.builder-actions .btn:hover { border-color: var(--accent); }
.builder-actions .btn-primary { background: var(--accent); border-color: var(--accent); color: white; }
.builder-actions .btn-primary:hover { filter: brightness(1.1); }
.builder-actions .btn:disabled { opacity: 0.5; cursor: not-allowed; }
.builder-summary { background: var(--bg); border: 1px solid var(--border-soft); border-radius: 8px; padding: 16px; margin-top: 12px; }
.builder-summary h3 { margin: 0 0 8px; font-size: 15px; color: var(--accent); }
.builder-summary ul { margin: 0; padding-left: 20px; line-height: 1.8; }
.builder-summary li { color: var(--fg); font-size: 13px; }
.builder-summary li b { color: var(--fg-strong); }

/* ---- Section hint + explainer banner ---- */
.section-hint{
  margin-top:8px; padding:10px 14px; border-left:3px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border-radius:6px; font-size:13px; color: var(--muted);
}
.explainer-banner{
  display:flex; gap:14px; align-items:flex-start;
  margin: 18px 0 28px; padding:16px 18px;
  border:1px solid var(--border); border-left:4px solid #cc0000;
  background: color-mix(in srgb, #cc0000 6%, var(--bg-2));
  border-radius:10px;
}
.explainer-banner .eb-icon{
  flex-shrink:0; width:42px; height:42px; border-radius:10px;
  display:grid; place-items:center; color:#cc0000;
  background: color-mix(in srgb, #cc0000 14%, transparent);
}
.explainer-banner .eb-icon i{ width:22px; height:22px; }
.explainer-banner .eb-body{ flex:1; }
.explainer-banner h3{ margin:0 0 4px; font-size:15px; }
.explainer-banner p{ margin:0 0 10px; font-size:13.5px; line-height:1.55; color:var(--fg); }
.explainer-banner .eb-actions{ display:flex; flex-wrap:wrap; gap:8px; }
.btn-mini{
  font-size:12px; padding:5px 10px; border:1px solid var(--border);
  border-radius:6px; color:var(--fg); text-decoration:none; background:var(--bg);
}
.btn-mini:hover{ border-color:var(--accent); color:var(--accent); }

/* ---- Snippet tip pill (the "when/why" 1-liner) ---- */
.snippet .tip{
  margin-top: 10px;
  padding: 8px 12px 8px 34px;
  border-left: 3px solid var(--warn, #e0a800);
  background: color-mix(in srgb, var(--warn, #e0a800) 10%, transparent);
  border-radius: 6px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--fg);
  position: relative;
}
.snippet .tip::before{
  content: "💡";
  position: absolute;
  left: 10px;
  top: 7px;
  font-size: 14px;
}
.snippet .tags{
  display:flex; flex-wrap:wrap; gap:6px; margin-top:8px;
}
.snippet .tags .tag{
  font-size:11px; padding:2px 8px; border-radius:10px;
  background: var(--bg); border:1px solid var(--border); color: var(--muted);
}

/* ============================================================
   REGEX BUILDER
   ============================================================ */
.rb-grid{
  display:grid; grid-template-columns: repeat(auto-fit,minmax(180px,1fr));
  gap:10px 14px; margin:10px 0 14px;
}
.rb-grid label{ font-size:11px; color:var(--muted); text-transform:uppercase; letter-spacing:.5px; }
.rb-grid select, .rb-inputs input, .rb-inputs select{
  width:100%; padding:7px 10px; background:var(--bg); color:var(--fg);
  border:1px solid var(--border); border-radius:6px; font-family:inherit; font-size:13px;
}
.rb-inputs{ display:flex; flex-direction:column; gap:10px; margin-bottom:14px; }
.rb-inputs label{ font-size:11px; color:var(--muted); text-transform:uppercase; letter-spacing:.5px; }
.rb-row2{ display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.rb-output{
  margin-top:10px; padding:14px; border-radius:8px;
  background: color-mix(in srgb, var(--accent) 6%, var(--bg));
  border:1px solid color-mix(in srgb, var(--accent) 30%, var(--border));
}
.rb-pattern-row{ display:flex; flex-wrap:wrap; gap:8px; align-items:center; }
.rb-pattern{
  flex:1; min-width:240px; padding:10px 14px;
  background:var(--bg-2); border:1px solid var(--border); border-radius:6px;
  font-family: ui-monospace, monospace; font-size:14px; color:var(--accent);
  word-break: break-all;
}
.rb-hint{ margin-top:10px; color:var(--muted); font-size:12.5px; font-style:italic; }

/* ============================================================
   FOOTER — CloudySnake by Akujin
   ============================================================ */
.cs-footer{
  margin-top: 60px;
  padding: 28px 24px 34px;
  border-top: 1px solid var(--border);
  background:
    radial-gradient(ellipse at 20% 0%, color-mix(in srgb, #7c3aed 14%, transparent), transparent 50%),
    radial-gradient(ellipse at 85% 100%, color-mix(in srgb, #06b6d4 12%, transparent), transparent 50%),
    var(--bg);
  position: relative; overflow:hidden;
}
.cs-footer::before{
  content:""; position:absolute; inset:0;
  background-image:
    linear-gradient(transparent 95%, color-mix(in srgb, var(--accent) 10%, transparent) 95%),
    linear-gradient(90deg, transparent 95%, color-mix(in srgb, var(--accent) 10%, transparent) 95%);
  background-size: 32px 32px;
  opacity:.25;
  pointer-events:none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
.cs-footer-inner{
  max-width: 1200px; margin: 0 auto;
  display:flex; align-items:center; justify-content:space-between;
  gap:24px; flex-wrap:wrap;
  position:relative; z-index:1;
}
.cs-brand{ display:flex; align-items:center; gap:14px; }
.cs-snake{
  font-size:34px; line-height:1;
  filter: drop-shadow(0 0 8px color-mix(in srgb, #22c55e 60%, transparent));
  animation: cs-slither 4.2s ease-in-out infinite;
  display:inline-block;
}
@keyframes cs-slither {
  0%,100% { transform: rotate(-6deg) translateY(0); }
  50%     { transform: rotate(6deg)  translateY(-3px); }
}
.cs-name{
  font-size:20px; font-weight:700; letter-spacing:.5px;
  background: linear-gradient(90deg, #22c55e, #06b6d4 50%, #7c3aed);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.cs-by{ font-size:12px; color:var(--muted); letter-spacing:1.5px; text-transform:uppercase; }
.cs-foot-meta{
  font-size:12.5px; color:var(--muted);
  display:flex; gap:10px; flex-wrap:wrap; align-items:center;
}
.cs-dot{ opacity:.4; }

/* ============================================================
   BLACK MAGIC LAB hero animation
   ============================================================ */
.landing-hero.black-magic-lab{
  position: relative; overflow: hidden;
  background:
    radial-gradient(ellipse at 30% 40%, color-mix(in srgb, #7c3aed 22%, transparent), transparent 55%),
    radial-gradient(ellipse at 75% 70%, color-mix(in srgb, #06b6d4 18%, transparent), transparent 55%),
    linear-gradient(135deg, #0a0613 0%, #1a0a2e 50%, #0a1428 100%);
  border: 1px solid color-mix(in srgb, #7c3aed 35%, var(--border));
  border-radius: 18px;
  padding: 38px 32px;
  isolation: isolate;
}
.bml-bg{
  position:absolute; inset:0; z-index:0;
  pointer-events:none; overflow:hidden; border-radius: inherit;
}
.bml-stars{
  position:absolute; inset:0;
  background-image:
    radial-gradient(1px 1px at 13% 22%, #ffffff aa, transparent 50%),
    radial-gradient(1px 1px at 27% 78%, #ffffff aa, transparent 50%),
    radial-gradient(1.5px 1.5px at 41% 12%, #c4b5fd, transparent 50%),
    radial-gradient(1px 1px at 58% 64%, #ffffff aa, transparent 50%),
    radial-gradient(1px 1px at 73% 18%, #ffffff aa, transparent 50%),
    radial-gradient(2px 2px at 84% 48%, #67e8f9, transparent 50%),
    radial-gradient(1px 1px at 92% 82%, #ffffff aa, transparent 50%),
    radial-gradient(1px 1px at 7% 56%, #ffffff aa, transparent 50%);
  animation: bml-twinkle 6s ease-in-out infinite alternate;
  opacity:.7;
}
@keyframes bml-twinkle{ from{opacity:.35;} to{opacity:.85;} }
.bml-grid{
  position:absolute; inset:-2px;
  background-image:
    linear-gradient(rgba(124,58,237,.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,58,237,.10) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse at center, black 35%, transparent 80%);
  animation: bml-drift 28s linear infinite;
}
@keyframes bml-drift{ from{ background-position:0 0; } to { background-position:36px 36px; } }

.bml-orb{
  position:absolute; border-radius:50%;
  filter: blur(36px);
  opacity:.55;
  animation: bml-float 14s ease-in-out infinite;
}
.bml-orb-1{ width:240px; height:240px; left:8%; top:18%;  background:#7c3aed; }
.bml-orb-2{ width:180px; height:180px; right:14%; top:55%; background:#06b6d4; animation-delay:-4s; }
.bml-orb-3{ width:140px; height:140px; left:42%; top:72%;  background:#22c55e; animation-delay:-8s; }
@keyframes bml-float{
  0%,100% { transform: translate(0,0) scale(1); }
  33%     { transform: translate(20px,-12px) scale(1.05); }
  66%     { transform: translate(-14px,18px) scale(.95); }
}

.bml-cauldron{
  position:absolute; right:6%; bottom:8%;
  width:160px; height:80px;
  pointer-events:none;
}
.bml-bubble{
  position:absolute; bottom:0;
  width:14px; height:14px; border-radius:50%;
  background: radial-gradient(circle at 30% 30%, #c084fc, #7c3aed 60%, transparent 70%);
  box-shadow: 0 0 12px #a855f7aa;
  opacity:0;
  animation: bml-rise 4.5s ease-in infinite;
}
.bml-bubble:nth-child(1){ left:10%; animation-delay:0s;   }
.bml-bubble:nth-child(2){ left:25%; animation-delay:.6s;  }
.bml-bubble:nth-child(3){ left:38%; animation-delay:1.1s; width:10px;height:10px; }
.bml-bubble:nth-child(4){ left:52%; animation-delay:1.7s; }
.bml-bubble:nth-child(5){ left:65%; animation-delay:2.3s; width:18px;height:18px; }
.bml-bubble:nth-child(6){ left:78%; animation-delay:2.9s; }
.bml-bubble:nth-child(7){ left:88%; animation-delay:3.4s; width:8px;height:8px; }
.bml-bubble:nth-child(8){ left:18%; animation-delay:3.8s; }
@keyframes bml-rise{
  0%   { opacity:0;   transform: translateY(0)    scale(.4); }
  20%  { opacity:.9;  }
  100% { opacity:0;   transform: translateY(-160px) scale(1.2); }
}

.bml-runes{
  position:absolute; inset:0;
  pointer-events:none;
  font-size:20px;
  color: color-mix(in srgb, #c4b5fd 80%, transparent);
}
.bml-runes span{
  position:absolute;
  text-shadow: 0 0 12px #a855f7;
  animation: bml-rune 8s ease-in-out infinite;
  opacity:.6;
}
.bml-runes span:nth-child(1){ left:7%;  top:14%; animation-delay:0s; }
.bml-runes span:nth-child(2){ left:88%; top:22%; animation-delay:1s; }
.bml-runes span:nth-child(3){ left:18%; top:88%; animation-delay:2s; }
.bml-runes span:nth-child(4){ left:62%; top:8%;  animation-delay:3s; }
.bml-runes span:nth-child(5){ left:48%; top:38%; animation-delay:4s; }
.bml-runes span:nth-child(6){ left:91%; top:84%; animation-delay:5s; }
.bml-runes span:nth-child(7){ left:33%; top:62%; animation-delay:6s; }
.bml-runes span:nth-child(8){ left:77%; top:46%; animation-delay:7s; }
@keyframes bml-rune{
  0%,100% { transform: rotate(0)    scale(1);   opacity:.3; }
  50%     { transform: rotate(20deg) scale(1.3); opacity:.9; }
}

/* Hero text on top */
.landing-hero.black-magic-lab .landing-hero-left,
.landing-hero.black-magic-lab .landing-hero-right{ position:relative; z-index:1; }

.bml-eyebrow{
  background: rgba(255,255,255,.06);
  border:1px solid color-mix(in srgb, #7c3aed 50%, transparent);
  color:#e9d5ff;
}

.bml-title{
  display:flex; flex-wrap:wrap; align-items:baseline; gap:14px;
  font-size: clamp(38px, 6vw, 64px);
  line-height:1.05;
  letter-spacing:-.5px;
  margin: 4px 0 14px;
  font-weight:800;
}
.bml-line{
  background: linear-gradient(180deg, #ffffff, #c4b5fd);
  -webkit-background-clip:text; background-clip:text; color:transparent;
  text-shadow: 0 0 28px rgba(167,139,250,.35);
  animation: bml-fadein .9s ease-out backwards;
}
.bml-line:nth-child(1){ animation-delay: .05s; }
.bml-line:nth-child(2){ animation-delay: .25s; }
.bml-line:nth-child(3){ animation-delay: .45s; }
@keyframes bml-fadein{
  from { opacity:0; transform: translateY(8px) scale(.95); filter: blur(6px); }
  to   { opacity:1; transform: translateY(0)    scale(1);    filter: blur(0); }
}
.bml-glow{
  background: linear-gradient(90deg, #a855f7, #06b6d4 50%, #22c55e);
  -webkit-background-clip:text; background-clip:text; color:transparent;
  position:relative;
  animation: bml-fadein .9s ease-out .25s backwards, bml-pulse 3.5s ease-in-out infinite 1.4s;
}
@keyframes bml-pulse{
  0%,100% { filter: drop-shadow(0 0 8px rgba(168,85,247,.6)); }
  50%     { filter: drop-shadow(0 0 22px rgba(168,85,247,1))
                    drop-shadow(0 0 34px rgba(6,182,212,.6)); }
}
.bml-sub-title{
  display:block; flex-basis:100%;
  font-size: 18px; font-weight:500;
  color:#a5b4fc; letter-spacing: 6px; text-transform: uppercase;
  margin-top: 4px;
  animation: bml-fadein 1s ease-out .8s backwards;
}

/* Reduced-motion accessibility */
@media (prefers-reduced-motion: reduce) {
  .bml-stars, .bml-grid, .bml-orb, .bml-bubble, .bml-runes span,
  .bml-line, .bml-glow, .bml-sub-title, .cs-snake { animation: none !important; }
}

/* ============================================================
   BML TEMPLATE-11 OVERLAY
   Pulled from /data/bml-org-repos/bml-api/frontend (tailwind.config.js)
   - Cyan/amber/ice palette · Space Grotesk display · ◈ brand mark
   - Recolours landing-hero + footer + brand to match BML SiteHeader
   ============================================================ */

/* Display font for big headings (matches BML font-display) */
.bml-title, .bml-sub-title, .cs-name, .brand-text,
.section-header h2, .group h3, .landing-eyebrow {
  font-family: 'Space Grotesk', 'Inter', system-ui, sans-serif;
}

/* Brand mark — square ◈ cyan-bordered with neon glow (BML SiteHeader) */
.brand-t11 { gap: 10px; }
.logo-t11 {
  width: 28px; height: 28px;
  background: rgba(20, 229, 210, 0.05);
  border: 1.5px solid var(--accent);
  border-radius: 8px;
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 12px;
  box-shadow: var(--t11-glow, 0 0 20px rgba(20,229,210,0.4));
  display: grid; place-items: center;
}
.brand-text {
  font-size: 13px; font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--fg);
}
.brand-text small {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--fg-muted);
  text-transform: uppercase;
  margin-left: 4px;
}

/* ── Recolour landing-hero animation to t11 palette ── */
[data-theme="bml-t11"] .landing-hero.black-magic-lab,
:root .landing-hero.black-magic-lab {
  background:
    radial-gradient(ellipse at 30% 40%, rgba(20,229,210,0.12), transparent 55%),
    radial-gradient(ellipse at 75% 70%, rgba(255,179,71,0.10), transparent 55%),
    linear-gradient(135deg, #05070c 0%, #0a0e16 50%, #05070c 100%);
  border: 1px solid var(--border-soft);
  box-shadow: var(--t11-panel, 0 40px 100px rgba(0,0,0,0.7));
}
:root .bml-grid {
  background-image:
    linear-gradient(rgba(20,229,210,0.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,229,210,0.10) 1px, transparent 1px);
}
:root .bml-orb-1 { background: var(--accent);   } /* cyan */
:root .bml-orb-2 { background: var(--accent-2); } /* amber */
:root .bml-orb-3 { background: var(--violet);   } /* violet */

/* Title — t11 text gradient (cyan → ice → amber) */
:root .bml-line {
  background: var(--t11-text-grad, linear-gradient(120deg, #14e5d2 0%, #d0faff 40%, #ffb347 100%));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 0 28px rgba(20,229,210,0.30);
}
:root .bml-glow {
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-3) 50%, var(--accent-2) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
@keyframes bml-pulse-t11 {
  0%,100% { filter: drop-shadow(0 0 8px rgba(20,229,210,0.55)); }
  50%     { filter: drop-shadow(0 0 22px rgba(20,229,210,1))
                    drop-shadow(0 0 34px rgba(255,179,71,0.55)); }
}
:root .bml-glow { animation: bml-fadein .9s ease-out .25s backwards, bml-pulse-t11 3.5s ease-in-out infinite 1.4s; }

:root .bml-sub-title { color: var(--accent); letter-spacing: 0.25em; }
:root .bml-eyebrow {
  background: rgba(20,229,210,0.06);
  border: 1px solid var(--border);
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.25em; text-transform: uppercase;
}

/* ── Footer recolour — CloudySnake on t11 ── */
:root .cs-footer {
  background:
    radial-gradient(ellipse at 20% 0%, rgba(20,229,210,0.10), transparent 50%),
    radial-gradient(ellipse at 85% 100%, rgba(255,179,71,0.08), transparent 50%),
    var(--bg);
  border-top: 1px solid var(--border-soft);
}
:root .cs-footer::before {
  background-image:
    linear-gradient(transparent 95%, rgba(20,229,210,0.10) 95%),
    linear-gradient(90deg, transparent 95%, rgba(20,229,210,0.10) 95%);
}
:root .cs-name {
  background: var(--t11-grad, linear-gradient(135deg, #14e5d2, #ffb347));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
:root .cs-snake {
  filter: drop-shadow(0 0 8px rgba(20,229,210,0.65));
}
:root .cs-by {
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.2em;
  color: var(--accent);
  opacity: 0.85;
}

/* Sidebar / topbar accents — slightly cyaner against pure black */
:root .topbar { background: rgba(10,14,22,0.92); backdrop-filter: blur(8px); }
:root .sidebar { background: rgba(10,14,22,0.85); }
:root .nav-item.active {
  background: rgba(20,229,210,0.10);
  color: var(--accent);
  box-shadow: inset 2px 0 0 var(--accent);
}
:root .icon-btn:hover { color: var(--accent); }

/* Reduced-motion: also disable t11 pulse */
@media (prefers-reduced-motion: reduce) {
  :root .bml-glow { animation: none !important; }
}

/* ============================================================
   BLACK MAGIC LAB — INTENSE EDITION (override prior bml-* rules)
   Goal: make the magic actually feel magical.
   ============================================================ */

/* Hero stretches taller to give the magic room to breathe */
:root .landing-hero.black-magic-lab {
  min-height: 560px;
  padding: 60px 48px 80px;
  background:
    radial-gradient(ellipse at 50% 110%, rgba(20,229,210,0.30), transparent 55%),
    radial-gradient(ellipse at 20% 20%, rgba(167,139,250,0.18), transparent 55%),
    radial-gradient(ellipse at 80% 30%, rgba(255,179,71,0.14), transparent 55%),
    radial-gradient(circle at center, #0a0e16 0%, #03050a 100%);
  border: 1px solid rgba(20,229,210,0.35);
  box-shadow:
    0 40px 120px rgba(0,0,0,0.8),
    0 0 80px rgba(20,229,210,0.10) inset;
}
:root .landing-hero.black-magic-lab .landing-hero-right {
  position: relative; z-index: 2;
  margin-top: auto;
}

/* ── BIG title — stacked, monumental, neon ── */
:root .bml-title {
  display: flex !important;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  font-family: 'Space Grotesk','Inter',sans-serif;
  font-size: clamp(64px, 11vw, 156px) !important;
  font-weight: 700 !important;
  line-height: 0.88;
  letter-spacing: -0.04em;
  margin: 8px 0 22px;
}
:root .bml-line {
  background: linear-gradient(180deg, #ffffff 0%, #d0faff 70%, #14e5d2 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 24px rgba(20,229,210,0.55))
          drop-shadow(0 0 60px rgba(20,229,210,0.30));
  animation: bml-fadein 1s ease-out backwards, bml-flicker 7s ease-in-out infinite 1.5s;
}
:root .bml-line:nth-child(1){ animation-delay: 0.05s, 1.5s; }
:root .bml-line:nth-child(3){ animation-delay: 0.45s, 3.0s; }
@keyframes bml-flicker {
  0%,92%,96%,100% { opacity: 1; }
  93% { opacity: 0.4; }
  95% { opacity: 0.85; }
}
:root .bml-glow {
  background: linear-gradient(90deg, #14e5d2 0%, #d0faff 35%, #ffb347 70%, #ff5f7e 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 30px rgba(20,229,210,0.95))
          drop-shadow(0 0 60px rgba(255,179,71,0.55))
          drop-shadow(0 0 90px rgba(167,139,250,0.40));
  animation: bml-fadein 1s ease-out 0.25s backwards,
             bml-shimmer 6s linear infinite,
             bml-pulse-magic 3s ease-in-out infinite 1.4s !important;
}
@keyframes bml-shimmer {
  from { background-position: 0% 50%; }
  to   { background-position: 200% 50%; }
}
@keyframes bml-pulse-magic {
  0%,100% { transform: scale(1);    text-shadow: 0 0 20px rgba(20,229,210,0.6); }
  50%     { transform: scale(1.02); text-shadow: 0 0 50px rgba(20,229,210,1),
                                                 0 0 90px rgba(255,179,71,0.5); }
}

:root .bml-sub-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(14px, 1.5vw, 20px);
  letter-spacing: 0.65em !important;
  color: var(--accent) !important;
  text-shadow: 0 0 16px rgba(20,229,210,0.8);
  margin-top: 14px;
  border-top: 1px solid rgba(20,229,210,0.25);
  border-bottom: 1px solid rgba(20,229,210,0.25);
  padding: 8px 4px;
}

/* ── Stars: TWO layers, denser + brighter ── */
:root .bml-stars {
  background-image:
    radial-gradient(2px 2px at 5% 12%, #ffffff, transparent 60%),
    radial-gradient(1.5px 1.5px at 13% 38%, #d0faff, transparent 60%),
    radial-gradient(1px 1px at 22% 78%, #ffffff, transparent 60%),
    radial-gradient(2.5px 2.5px at 31% 22%, #14e5d2, transparent 60%),
    radial-gradient(1px 1px at 41% 65%, #ffffff, transparent 60%),
    radial-gradient(2px 2px at 52% 14%, #d0faff, transparent 60%),
    radial-gradient(1.5px 1.5px at 63% 48%, #ffffff, transparent 60%),
    radial-gradient(2px 2px at 71% 82%, #14e5d2, transparent 60%),
    radial-gradient(1px 1px at 81% 28%, #ffffff, transparent 60%),
    radial-gradient(2.5px 2.5px at 89% 58%, #ffb347, transparent 60%),
    radial-gradient(1.5px 1.5px at 95% 18%, #d0faff, transparent 60%),
    radial-gradient(1px 1px at 7% 88%, #ffffff, transparent 60%);
  opacity: 1;
}
:root .bml-stars-2 {
  background-image:
    radial-gradient(1px 1px at 17% 55%, #ffffff, transparent 60%),
    radial-gradient(1.5px 1.5px at 28% 8%, #a78bfa, transparent 60%),
    radial-gradient(1px 1px at 44% 72%, #ffffff, transparent 60%),
    radial-gradient(2px 2px at 56% 38%, #ffb347, transparent 60%),
    radial-gradient(1px 1px at 67% 18%, #d0faff, transparent 60%),
    radial-gradient(1.5px 1.5px at 78% 92%, #14e5d2, transparent 60%),
    radial-gradient(1px 1px at 86% 42%, #ffffff, transparent 60%),
    radial-gradient(2px 2px at 96% 78%, #a78bfa, transparent 60%);
  animation: bml-twinkle 4s ease-in-out infinite alternate-reverse;
  opacity: 0.85;
}

/* ── Orbs: bigger, more vibrant ── */
:root .bml-orb { opacity: 0.75; filter: blur(48px); }
:root .bml-orb-1 { width: 320px; height: 320px; left: 4%;  top: 12%; background: var(--accent); }
:root .bml-orb-2 { width: 260px; height: 260px; right: 8%; top: 20%; background: var(--accent-2); }
:root .bml-orb-3 { width: 200px; height: 200px; left: 36%; bottom: 8%; background: var(--violet); }
:root .bml-orb-4 {
  width: 360px; height: 360px; left: 50%; bottom: -20%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(20,229,210,0.6), transparent 65%);
  filter: blur(40px); opacity: 0.85;
  animation: bml-cauldron-glow 4s ease-in-out infinite;
}
@keyframes bml-cauldron-glow {
  0%,100% { opacity: 0.55; transform: translateX(-50%) scale(1); }
  50%     { opacity: 0.95; transform: translateX(-50%) scale(1.12); }
}

/* ── Real cauldron SVG ── */
:root .bml-cauldron {
  position: absolute;
  right: 4%; bottom: 4%;
  width: 220px; height: 150px;
  filter: drop-shadow(0 0 30px rgba(20,229,210,0.7))
          drop-shadow(0 0 60px rgba(20,229,210,0.35));
  animation: bml-cauldron-bob 5s ease-in-out infinite;
  z-index: 1;
}
@keyframes bml-cauldron-bob {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-6px); }
}
:root .bml-flames path {
  transform-origin: center bottom;
  animation: bml-flame 0.6s ease-in-out infinite alternate;
}
:root .bml-flames path:nth-child(2){ animation-delay: 0.3s; }
@keyframes bml-flame {
  from { transform: scaleY(0.85) scaleX(1.05); }
  to   { transform: scaleY(1.15) scaleX(0.95); }
}

/* ── Bubbles: rise from cauldron mouth ── */
:root .bml-bubbles {
  position: absolute;
  right: 9%; bottom: 22%;
  width: 220px; height: 200px;
  pointer-events: none;
}
:root .bml-bubble {
  position: absolute; bottom: 0;
  width: 14px; height: 14px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #d0faff, #14e5d2 60%, transparent 75%);
  box-shadow: 0 0 14px #14e5d2cc, 0 0 28px #14e5d255;
  opacity: 0;
  animation: bml-rise 4.5s ease-in infinite;
}
:root .bml-bubble:nth-child(1){ left: 10%; animation-delay: 0s;   }
:root .bml-bubble:nth-child(2){ left: 25%; animation-delay: .5s;  width: 10px; height: 10px; }
:root .bml-bubble:nth-child(3){ left: 38%; animation-delay: 1s;   width: 18px; height: 18px; }
:root .bml-bubble:nth-child(4){ left: 52%; animation-delay: 1.6s; }
:root .bml-bubble:nth-child(5){ left: 65%; animation-delay: 2.2s; width: 22px; height: 22px; }
:root .bml-bubble:nth-child(6){ left: 78%; animation-delay: 2.8s; width: 8px;  height: 8px; }
:root .bml-bubble:nth-child(7){ left: 88%; animation-delay: 3.3s; }
:root .bml-bubble:nth-child(8){ left: 18%; animation-delay: 3.7s; width: 12px; height: 12px; }
@keyframes bml-rise {
  0%   { opacity: 0;   transform: translateY(0)     scale(0.4); }
  15%  { opacity: 1; }
  100% { opacity: 0;   transform: translateY(-200px) scale(1.4); }
}

/* ── Sparkle dust — small floating glints across hero ── */
:root .bml-sparkles { position: absolute; inset: 0; pointer-events: none; }
:root .bml-sparkles span {
  position: absolute;
  width: 4px; height: 4px;
  background: radial-gradient(circle, #ffffff 0%, #14e5d2 50%, transparent 70%);
  border-radius: 50%;
  box-shadow: 0 0 8px #14e5d2;
  animation: bml-spark 6s linear infinite;
}
:root .bml-sparkles span:nth-child(1) { left:  8%; top: 20%; animation-delay: 0s;   }
:root .bml-sparkles span:nth-child(2) { left: 22%; top: 60%; animation-delay: 0.4s; }
:root .bml-sparkles span:nth-child(3) { left: 35%; top: 30%; animation-delay: 1.1s; }
:root .bml-sparkles span:nth-child(4) { left: 48%; top: 75%; animation-delay: 1.7s; }
:root .bml-sparkles span:nth-child(5) { left: 62%; top: 25%; animation-delay: 2.2s; }
:root .bml-sparkles span:nth-child(6) { left: 76%; top: 55%; animation-delay: 2.8s; }
:root .bml-sparkles span:nth-child(7) { left: 88%; top: 40%; animation-delay: 3.3s; }
:root .bml-sparkles span:nth-child(8) { left: 14%; top: 82%; animation-delay: 3.9s; }
:root .bml-sparkles span:nth-child(9) { left: 30%; top: 12%; animation-delay: 4.4s; }
:root .bml-sparkles span:nth-child(10){ left: 55%; top: 50%; animation-delay: 5.0s; }
:root .bml-sparkles span:nth-child(11){ left: 70%; top: 80%; animation-delay: 5.5s; }
:root .bml-sparkles span:nth-child(12){ left: 92%; top: 18%; animation-delay: 5.8s; }
@keyframes bml-spark {
  0%,100% { opacity: 0; transform: translateY(0)     scale(0.6); }
  10%     { opacity: 1; transform: translateY(-6px)  scale(1.3); }
  50%     { opacity: 0.5; transform: translateY(-30px) scale(1); }
  90%     { opacity: 0; transform: translateY(-60px) scale(0.4); }
}

/* ── Lightning bolts — rare flashes ── */
:root .bml-bolt {
  position: absolute;
  width: 2px; height: 60%;
  background: linear-gradient(180deg, transparent, #d0faff, #14e5d2, transparent);
  opacity: 0;
  filter: blur(0.5px) drop-shadow(0 0 8px #14e5d2);
  animation: bml-flash 9s ease-in-out infinite;
}
:root .bml-bolt-1 { left: 28%; top: 0; transform: rotate(8deg);   animation-delay: 2s; }
:root .bml-bolt-2 { right: 30%; top: 0; transform: rotate(-12deg); animation-delay: 6s; }
@keyframes bml-flash {
  0%, 88%, 92%, 100% { opacity: 0; }
  89%, 91%           { opacity: 1; }
  90%                { opacity: 0.4; }
}

/* ── Runes: bigger, glowing, slowly orbiting ── */
:root .bml-runes { font-size: 28px; color: var(--accent-3); }
:root .bml-runes span {
  text-shadow: 0 0 12px var(--accent), 0 0 24px var(--accent);
  opacity: 0.75;
  font-size: clamp(20px, 2vw, 32px);
}
:root .bml-runes span:nth-child(9)  { left: 4%;  top: 48%; animation-delay: 0.5s; }
:root .bml-runes span:nth-child(10) { left: 94%; top: 8%;  animation-delay: 1.5s; color: var(--accent-2); text-shadow: 0 0 12px var(--accent-2); }
:root .bml-runes span:nth-child(11) { left: 56%; top: 88%; animation-delay: 2.5s; color: var(--violet); text-shadow: 0 0 12px var(--violet); }
:root .bml-runes span:nth-child(12) { left: 12%; top: 6%;  animation-delay: 3.5s; color: var(--accent-2); text-shadow: 0 0 12px var(--accent-2); }
@keyframes bml-rune {
  0%,100% { transform: rotate(0)     scale(1);   opacity: 0.5; }
  50%     { transform: rotate(20deg) scale(1.3); opacity: 1; }
}

/* Eyebrow pill */
:root .bml-eyebrow {
  background: rgba(20,229,210,0.08);
  border: 1px solid rgba(20,229,210,0.35);
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  box-shadow: 0 0 16px rgba(20,229,210,0.20), inset 0 0 12px rgba(20,229,210,0.08);
}

/* Reduced-motion respects */
@media (prefers-reduced-motion: reduce) {
  :root .bml-line, :root .bml-glow, :root .bml-cauldron, :root .bml-orb-4,
  :root .bml-bubble, :root .bml-sparkles span, :root .bml-bolt,
  :root .bml-flames path { animation: none !important; }
}
:root .landing-hero.black-magic-lab .landing-hero-left { max-width: 720px; z-index: 2; position: relative; }

/* ============================================================
   AI ASSISTANT — chat panel + floating launcher
   ============================================================ */
.chat-shell {
  display: flex; flex-direction: column;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  overflow: hidden;
  min-height: 540px;
  box-shadow: var(--shadow);
  position: relative;
}
.chat-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-elev-2);
  border-bottom: 1px solid var(--border-soft);
  font-size: 12px;
  flex-wrap: wrap; gap: 8px;
}
.chat-status { display: flex; align-items: center; gap: 8px; color: var(--fg-muted); flex-wrap: wrap; }
.chat-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--fg-muted);
  box-shadow: 0 0 0 0 transparent;
}
.chat-dot.on   { background: var(--success); box-shadow: 0 0 8px var(--success); }
.chat-dot.busy { background: var(--accent);  box-shadow: 0 0 12px var(--accent);
                 animation: chat-dot-pulse 1.2s ease-in-out infinite; }
@keyframes chat-dot-pulse { 50% { transform: scale(1.4); opacity: .7; } }
.chat-endpoint { font-family: 'JetBrains Mono', monospace; font-size: 11px; }
.chat-model-tag {
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  padding: 2px 8px; border-radius: 99px;
  background: rgba(20,229,210,0.10);
  border: 1px solid var(--border-soft);
  color: var(--accent);
}
.chat-tools { display: flex; gap: 6px; }
.chat-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px; border-radius: 6px;
  background: var(--bg-elev); border: 1px solid var(--border-soft);
  color: var(--fg-muted); font-size: 11px;
  transition: all .15s;
}
.chat-btn:hover { color: var(--accent); border-color: var(--border); background: var(--bg); }

/* Settings panel */
.chat-settings {
  padding: 14px;
  background: var(--bg);
  border-bottom: 1px solid var(--border-soft);
}
.chat-settings .cs-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}
.chat-settings label {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--fg-muted);
  font-family: 'JetBrains Mono', monospace;
}
.chat-settings label.cs-row { flex-direction: row; align-items: center; gap: 8px; text-transform: none; letter-spacing: 0; }
.chat-settings label.cs-full { grid-column: 1 / -1; }
.chat-settings input[type="text"], .chat-settings input[type="password"], .chat-settings input[type="number"], .chat-settings textarea {
  background: var(--bg-elev); border: 1px solid var(--border-soft);
  color: var(--fg); padding: 7px 10px; border-radius: 6px;
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  outline: none;
}
.chat-settings input:focus, .chat-settings textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
.chat-settings small { color: var(--fg-muted); text-transform: none; letter-spacing: 0; font-family: 'Inter', sans-serif; font-size: 11px; line-height: 1.4; }
.chat-settings small code { color: var(--accent); background: rgba(20,229,210,0.06); padding: 1px 4px; border-radius: 3px; }
.cs-help {
  margin-top: 10px; padding: 10px 12px;
  background: rgba(20,229,210,0.04);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  font-size: 12px; color: var(--fg-muted);
  line-height: 1.5;
}
.cs-help code { color: var(--accent); background: rgba(20,229,210,0.10); padding: 2px 6px; border-radius: 4px; font-size: 11px; }

/* Log */
.chat-log {
  flex: 1; overflow-y: auto;
  padding: 16px; min-height: 320px; max-height: 60vh;
  display: flex; flex-direction: column; gap: 14px;
  background: var(--bg);
}
.chat-welcome {
  display: flex; flex-direction: column; gap: 18px;
  padding: 20px 8px;
}
.chat-hero { text-align: center; }
.chat-orb {
  display: inline-block; width: 56px; height: 56px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--accent-3), var(--accent) 60%, transparent 75%);
  box-shadow: 0 0 32px var(--accent), 0 0 64px rgba(20,229,210,0.4);
  animation: chat-orb-pulse 3s ease-in-out infinite;
  margin-bottom: 12px;
}
@keyframes chat-orb-pulse { 50% { transform: scale(1.08); filter: brightness(1.2); } }
.chat-hero h3 { margin: 4px 0; font-family: 'Space Grotesk', sans-serif; font-size: 18px; color: var(--fg-strong); }
.chat-hero p { color: var(--fg-muted); font-size: 13px; }
.chat-examples { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 8px; }
.chat-ex-btn {
  text-align: left; padding: 10px 12px;
  background: var(--bg-elev); border: 1px solid var(--border-soft);
  border-radius: 8px; color: var(--fg); font-size: 12.5px;
  transition: all .15s; cursor: pointer;
}
.chat-ex-btn:hover { border-color: var(--accent); color: var(--accent); background: rgba(20,229,210,0.04); }

/* Messages */
.chat-msg { display: flex; gap: 10px; align-items: flex-start; }
.chat-msg.user { flex-direction: row-reverse; }
.chat-avatar {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 8px;
  display: grid; place-items: center;
  background: var(--bg-elev-2); color: var(--accent);
  border: 1px solid var(--border-soft);
}
.chat-msg.user .chat-avatar { color: var(--accent-2); border-color: rgba(255,179,71,0.30); }
.chat-bubble {
  max-width: 78%; padding: 10px 14px; border-radius: 12px;
  background: var(--bg-elev); border: 1px solid var(--border-soft);
  font-size: 13.5px; line-height: 1.55; color: var(--fg);
  word-wrap: break-word;
}
.chat-msg.user .chat-bubble {
  background: rgba(255,179,71,0.06);
  border-color: rgba(255,179,71,0.25);
}
.chat-bubble.error { background: rgba(255,95,126,0.06); border-color: rgba(255,95,126,0.30); color: #ffd0d8; }
.chat-md .chat-pre {
  margin: 6px 0; padding: 10px 12px;
  background: var(--bg-code); border: 1px solid var(--border-soft);
  border-radius: 6px; overflow-x: auto;
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
}
.chat-md .chat-code {
  background: rgba(20,229,210,0.08); border: 1px solid var(--border-soft);
  padding: 1px 5px; border-radius: 4px; font-size: 12px; color: var(--accent);
}
.chat-md .chat-cite {
  color: var(--accent-2); font-weight: 500;
}
.chat-meta {
  margin-top: 6px; font-size: 10.5px; color: var(--fg-muted);
  display: inline-flex; align-items: center; gap: 4px;
  font-family: 'JetBrains Mono', monospace;
}

/* Typing indicator */
.chat-typing { display: flex; gap: 4px; padding: 4px 0; }
.chat-typing span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); opacity: 0.5;
  animation: chat-typing 1.4s ease-in-out infinite;
}
.chat-typing span:nth-child(2) { animation-delay: .2s; }
.chat-typing span:nth-child(3) { animation-delay: .4s; }
@keyframes chat-typing { 30% { opacity: 1; transform: translateY(-3px); } }

/* Form */
.chat-form {
  display: flex; gap: 8px; padding: 12px;
  background: var(--bg-elev-2);
  border-top: 1px solid var(--border-soft);
}
.chat-input {
  flex: 1; resize: none;
  background: var(--bg); border: 1px solid var(--border-soft);
  color: var(--fg); padding: 10px 12px; border-radius: 8px;
  font-family: 'Inter', sans-serif; font-size: 14px; line-height: 1.5;
  outline: none;
}
.chat-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
.chat-send {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 10px;
  background: var(--t11-grad, linear-gradient(135deg, var(--accent), var(--accent-2)));
  color: #05070c; display: grid; place-items: center;
  font-weight: 600; transition: all .15s;
  box-shadow: 0 4px 14px rgba(20,229,210,0.30);
}
.chat-send:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(20,229,210,0.45); }
.chat-send:disabled { opacity: 0.4; cursor: not-allowed; }
.chat-foot {
  padding: 8px 14px; font-size: 11px;
  color: var(--fg-muted);
  background: var(--bg-elev-2);
  border-top: 1px solid var(--border-soft);
  text-align: center;
}
.chat-foot kbd { font-size: 10px; padding: 1px 5px; }

/* Floating FAB */
.chat-fab {
  position: fixed;
  right: 22px; bottom: 22px;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--t11-grad, linear-gradient(135deg, var(--accent), var(--accent-2)));
  color: #05070c;
  display: grid; place-items: center;
  box-shadow: 0 10px 30px rgba(20,229,210,0.45), 0 0 60px rgba(20,229,210,0.25);
  z-index: 50;
  transition: all .2s;
}
.chat-fab:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 16px 40px rgba(20,229,210,0.55); }
.chat-fab i { width: 22px; height: 22px; }
.chat-fab-pulse {
  position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid var(--accent);
  animation: chat-fab-ping 2.4s ease-out infinite;
  pointer-events: none;
}
@keyframes chat-fab-ping {
  0%   { transform: scale(1);   opacity: 0.8; }
  100% { transform: scale(1.6); opacity: 0; }
}
@media (max-width: 640px) {
  .chat-bubble { max-width: 88%; }
  .chat-fab { right: 14px; bottom: 80px; width: 48px; height: 48px; }
  .chat-fab i { width: 20px; height: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  .chat-orb, .chat-fab-pulse, .chat-dot.busy, .chat-typing span { animation: none !important; }
}

/* ============================================================
   CHAT — engine selector & local model loader
   ============================================================ */
.chat-engine-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; padding: 2px 8px; border-radius: 99px;
  background: rgba(20,229,210,0.10);
  border: 1px solid var(--border-soft);
  color: var(--accent);
  letter-spacing: 0.05em;
}
.cs-engine {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 4px;
}
.cs-engine-btn {
  display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
  padding: 12px; border-radius: 10px;
  background: var(--bg-elev); border: 1px solid var(--border-soft);
  color: var(--fg); cursor: pointer;
  transition: all .15s; text-align: left;
}
.cs-engine-btn:hover { border-color: var(--accent); background: rgba(20,229,210,0.04); }
.cs-engine-btn.active {
  border-color: var(--accent);
  background: rgba(20,229,210,0.10);
  box-shadow: 0 0 0 1px var(--accent), 0 0 16px rgba(20,229,210,0.20);
}
.cs-engine-btn span { font-size: 12.5px; font-weight: 600; color: var(--fg); }
.cs-engine-btn small {
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  color: var(--fg-muted); text-transform: none; letter-spacing: 0;
}
.cs-engine-btn i { color: var(--accent); }

.cs-local {
  display: flex; flex-direction: column; gap: 10px;
  padding: 12px; border-radius: 10px;
  background: rgba(20,229,210,0.04); border: 1px solid var(--border-soft);
}
.cs-local select {
  background: var(--bg-elev); border: 1px solid var(--border-soft);
  color: var(--fg); padding: 7px 10px; border-radius: 6px;
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  outline: none;
}
.cs-local-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.cs-load {
  background: var(--t11-grad, linear-gradient(135deg, var(--accent), var(--accent-2))) !important;
  color: #05070c !important; font-weight: 600 !important;
  padding: 8px 14px !important; font-size: 12px !important;
  border: none !important;
}
.cs-load:disabled { opacity: 0.5; cursor: not-allowed; }
.cs-local-status {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--success);
  font-family: 'JetBrains Mono', monospace;
}
.cs-progress {
  position: relative;
  height: 22px; border-radius: 6px;
  background: var(--bg-elev); border: 1px solid var(--border-soft);
  overflow: hidden;
}
.cs-progress-bar {
  position: absolute; left: 0; top: 0; bottom: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-3), var(--accent-2));
  background-size: 200% 100%;
  animation: cs-progress-shimmer 2s linear infinite;
  transition: width 0.3s;
}
@keyframes cs-progress-shimmer { from { background-position: 0% 50%; } to { background-position: 200% 50%; } }
.cs-progress-text {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  color: var(--fg-strong);
  text-shadow: 0 0 4px rgba(0,0,0,0.8);
  letter-spacing: 0.05em;
}
.cs-local-error {
  padding: 8px 12px; border-radius: 6px;
  background: rgba(255,95,126,0.10); border: 1px solid rgba(255,95,126,0.35);
  color: #ffd0d8; font-size: 12px;
}
@media (max-width: 640px) {
  .cs-engine { grid-template-columns: 1fr; }
}