/* ═══════════════════════════════════════════════
   SERP Guard Lab — Premium Design System
   ═══════════════════════════════════════════════ */

:root {
  --bg: #06080d;
  --bg-gradient: linear-gradient(135deg, #06080d 0%, #0c1220 50%, #0a0f1a 100%);
  --surface: rgba(17, 21, 34, 0.75);
  --surface-solid: #111522;
  --surface2: rgba(26, 32, 52, 0.65);
  --surface-hover: rgba(35, 42, 68, 0.5);
  --glass: rgba(255,255,255,0.03);
  --glass-border: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(255,255,255,0.12);
  --text: #eaecf5;
  --text-secondary: #a0a5bd;
  --text-dim: #6b7194;
  --accent: #7c5cfc;
  --accent-light: #a78bfa;
  --accent-glow: rgba(124,92,252,0.25);
  --accent-gradient: linear-gradient(135deg, #7c5cfc, #5b8af5);
  --green: #34d399;
  --green-glow: rgba(52,211,153,0.2);
  --yellow: #fbbf24;
  --yellow-glow: rgba(251,191,36,0.2);
  --red: #f87171;
  --red-glow: rgba(248,113,113,0.2);
  --orange: #fb923c;
  --blue: #60a5fa;
  --blue-glow: rgba(96,165,250,0.2);
  --purple: #c084fc;
  --cyan: #22d3ee;
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.3), 0 2px 4px rgba(0,0,0,0.2);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.4), 0 4px 12px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 30px var(--accent-glow);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--accent-light); text-decoration: none; transition: var(--transition-fast); }
a:hover { color: var(--text); }

/* ─── Animated Background Mesh ─── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 600px at 20% 20%, rgba(124,92,252,0.06), transparent),
    radial-gradient(ellipse 600px 400px at 80% 80%, rgba(96,165,250,0.04), transparent),
    radial-gradient(ellipse 500px 500px at 50% 50%, rgba(52,211,153,0.03), transparent);
  pointer-events: none;
  z-index: 0;
}

/* ─── Header ─── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  background: rgba(6,8,13,0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
}
.header h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 3px;
}
.header h1 span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sse-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 500;
}
.sse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 8px var(--red-glow);
  transition: var(--transition);
}
.sse-dot.connected {
  background: var(--green);
  box-shadow: 0 0 12px var(--green-glow);
  animation: pulse-green 2s ease-in-out infinite;
}
@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 8px var(--green-glow); }
  50% { box-shadow: 0 0 20px var(--green-glow), 0 0 40px rgba(52,211,153,0.1); }
}

/* ─── Navigation ─── */
.nav {
  display: flex;
  gap: 0;
  background: rgba(6,8,13,0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  padding: 0 32px;
  position: sticky;
  top: 52px;
  z-index: 99;
}
.nav a {
  padding: 12px 22px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  text-decoration: none;
  position: relative;
}
.nav a:hover { color: var(--text-secondary); }
.nav a.active {
  color: var(--accent-light);
  border-bottom-color: var(--accent);
}
.nav a.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--accent-gradient);
  border-radius: 3px;
  box-shadow: 0 0 12px var(--accent-glow);
}

/* ─── Layout ─── */
.container {
  position: relative;
  z-index: 1;
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* ─── Glass Card ─── */
.card {
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
}
.card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}
.card-title {
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

/* ─── Stat Cards ─── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
}
.stat-card {
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 22px 18px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: default;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--border);
  border-radius: 3px 3px 0 0;
  transition: var(--transition);
}
.stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}
.stat-card:hover::before { background: var(--accent-gradient); }
.stat-value {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
  transition: var(--transition-fast);
}
.stat-label {
  font-size: 10px;
  color: var(--text-dim);
  margin-top: 8px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-weight: 600;
}
.stat-value.green { color: var(--green); text-shadow: 0 0 20px var(--green-glow); }
.stat-value.yellow { color: var(--yellow); text-shadow: 0 0 20px var(--yellow-glow); }
.stat-value.red { color: var(--red); text-shadow: 0 0 20px var(--red-glow); }
.stat-value.blue { color: var(--blue); text-shadow: 0 0 20px var(--blue-glow); }

/* ─── Campaign Panel ─── */
.campaign-panel { display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: start; }
.campaign-info { display: flex; flex-direction: column; gap: 10px; }
.campaign-name { font-size: 22px; font-weight: 700; letter-spacing: -0.3px; }
.campaign-meta { display: flex; gap: 20px; font-size: 13px; color: var(--text-secondary); }
.campaign-meta span { display: flex; align-items: center; gap: 4px; }

/* ─── Badges ─── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  transition: var(--transition-fast);
}
.badge.running { background: rgba(52,211,153,0.12); color: var(--green); box-shadow: inset 0 0 0 1px rgba(52,211,153,0.2); }
.badge.warming { background: rgba(251,191,36,0.12); color: var(--yellow); box-shadow: inset 0 0 0 1px rgba(251,191,36,0.2); }
.badge.paused { background: rgba(251,146,60,0.12); color: var(--orange); box-shadow: inset 0 0 0 1px rgba(251,146,60,0.2); }
.badge.stopped, .badge.killed { background: rgba(248,113,113,0.12); color: var(--red); box-shadow: inset 0 0 0 1px rgba(248,113,113,0.2); }
.badge.draft { background: rgba(107,113,148,0.12); color: var(--text-dim); box-shadow: inset 0 0 0 1px rgba(107,113,148,0.2); }
.badge.completed { background: rgba(124,92,252,0.12); color: var(--accent-light); box-shadow: inset 0 0 0 1px rgba(124,92,252,0.2); }

/* ─── Progress Bar ─── */
.progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(255,255,255,0.04);
  border-radius: 6px;
  overflow: hidden;
  margin-top: 10px;
}
.progress-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 6px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 12px var(--accent-glow);
  position: relative;
}
.progress-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  animation: shimmer 2s ease-in-out infinite;
}
@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ─── Buttons ─── */
.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }
.btn {
  padding: 9px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface2);
  backdrop-filter: blur(8px);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.05), transparent);
  opacity: 0;
  transition: var(--transition-fast);
}
.btn:hover {
  border-color: var(--accent);
  color: var(--text);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.btn:hover::before { opacity: 1; }
.btn:active { transform: translateY(0); }
.btn.primary {
  background: var(--accent-gradient);
  border-color: transparent;
  color: white;
  font-weight: 600;
  box-shadow: 0 2px 12px var(--accent-glow);
}
.btn.primary:hover {
  box-shadow: 0 4px 20px var(--accent-glow), var(--shadow-sm);
  transform: translateY(-2px);
}
.btn.danger {
  border-color: rgba(248,113,113,0.3);
  color: var(--red);
}
.btn.danger:hover {
  background: rgba(248,113,113,0.1);
  border-color: var(--red);
  box-shadow: 0 0 16px var(--red-glow);
}
.btn:disabled { opacity: 0.3; cursor: not-allowed; transform: none !important; }

/* ─── Layout Grids ─── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
@media (max-width: 960px) { .two-col { grid-template-columns: 1fr; } }

/* ─── Charts ─── */
.chart-container { position: relative; width: 100%; height: 280px; }
canvas { width: 100% !important; height: 100% !important; }

/* ─── Event Feed ─── */
.feed { max-height: 380px; overflow-y: auto; }
.feed-item {
  display: grid;
  grid-template-columns: 80px 100px 1fr 80px;
  gap: 12px;
  padding: 10px 4px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  font-size: 13px;
  align-items: center;
  transition: var(--transition-fast);
}
.feed-item:hover { background: rgba(255,255,255,0.02); border-radius: var(--radius-sm); }
.feed-item:last-child { border-bottom: none; }
.feed-time { color: var(--text-dim); font-family: 'JetBrains Mono', 'Fira Code', monospace; font-size: 11px; }
.feed-type { font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
.feed-type.success { color: var(--green); }
.feed-type.captcha { color: var(--yellow); }
.feed-type.block, .feed-type.sorry_page { color: var(--red); }

/* ─── Tables ─── */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead { position: sticky; top: 0; z-index: 1; }
th {
  text-align: left;
  padding: 12px 14px;
  color: var(--text-dim);
  font-weight: 600;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: rgba(6,8,13,0.5);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  transition: var(--transition-fast);
}
tr:hover td { background: rgba(255,255,255,0.015); }

/* ─── Forms ─── */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}
input, select, textarea {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: rgba(124,92,252,0.03);
}
input::placeholder, textarea::placeholder { color: var(--text-dim); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* ─── Tabs ─── */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.tab {
  padding: 12px 22px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  position: relative;
}
.tab:hover { color: var(--text-secondary); }
.tab.active {
  color: var(--accent-light);
  border-bottom-color: var(--accent);
}
.tab-content { display: none; animation: fadeIn 0.3s ease; }
.tab-content.active { display: block; }

/* ─── Settings Layout ─── */
.settings-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 0;
  min-height: calc(100vh - 108px);
  position: relative;
  z-index: 1;
}
.settings-sidebar {
  background: rgba(6,8,13,0.6);
  backdrop-filter: blur(12px);
  border-right: 1px solid var(--glass-border);
  padding: 20px 0;
  position: sticky;
  top: 108px;
  height: calc(100vh - 108px);
  overflow-y: auto;
}
.settings-tab {
  display: block;
  padding: 11px 24px;
  font-size: 13px;
  color: var(--text-dim);
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: var(--transition);
}
.settings-tab:hover { color: var(--text-secondary); background: rgba(255,255,255,0.02); }
.settings-tab.active {
  color: var(--accent-light);
  border-left-color: var(--accent);
  background: rgba(124,92,252,0.05);
}
.settings-main {
  padding: 28px 36px;
  overflow-y: auto;
  max-height: calc(100vh - 108px);
}
.settings-panel { display: none; animation: fadeIn 0.3s ease; }
.settings-panel.active { display: block; }

/* ─── Docs Layout ─── */
.docs-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 0;
  min-height: calc(100vh - 108px);
  position: relative;
  z-index: 1;
}
.docs-sidebar {
  background: rgba(6,8,13,0.6);
  backdrop-filter: blur(12px);
  border-right: 1px solid var(--glass-border);
  padding: 20px 0;
  position: sticky;
  top: 108px;
  height: calc(100vh - 108px);
  overflow-y: auto;
}
.docs-sidebar a {
  display: block;
  padding: 8px 24px;
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: var(--transition-fast);
}
.docs-sidebar a:hover { color: var(--text-secondary); background: rgba(255,255,255,0.02); }
.docs-sidebar .sidebar-title {
  padding: 8px 24px;
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  margin-top: 18px;
}
.docs-main {
  padding: 36px 52px;
  max-width: 920px;
  overflow-y: auto;
  max-height: calc(100vh - 108px);
}
.docs-main h1 { font-size: 30px; font-weight: 800; margin-bottom: 8px; letter-spacing: -0.5px; }
.docs-main h2 {
  font-size: 22px;
  font-weight: 700;
  margin-top: 44px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.docs-main h3 { font-size: 16px; font-weight: 600; margin-top: 28px; margin-bottom: 10px; color: var(--accent-light); }
.docs-main p { font-size: 14px; line-height: 1.85; color: var(--text-secondary); margin-bottom: 14px; }
.docs-main ul, .docs-main ol { margin-bottom: 14px; padding-left: 24px; }
.docs-main li { font-size: 14px; line-height: 1.85; margin-bottom: 4px; color: var(--text-secondary); }
.docs-main code {
  background: rgba(124,92,252,0.1);
  padding: 2px 8px;
  border-radius: 5px;
  font-size: 12px;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  color: var(--accent-light);
  border: 1px solid rgba(124,92,252,0.15);
}
.docs-main pre {
  background: rgba(6,8,13,0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  overflow-x: auto;
  margin-bottom: 18px;
}
.docs-main pre code { background: none; padding: 0; color: var(--text-secondary); border: none; font-size: 13px; }

/* ─── Info / Warning Boxes ─── */
.info-box {
  background: rgba(124,92,252,0.06);
  border: 1px solid rgba(124,92,252,0.18);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 18px 0;
  font-size: 13px;
  line-height: 1.7;
  backdrop-filter: blur(8px);
}
.info-box strong { color: var(--accent-light); }
.warn-box {
  background: rgba(251,191,36,0.06);
  border: 1px solid rgba(251,191,36,0.18);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 18px 0;
  font-size: 13px;
  line-height: 1.7;
}
.warn-box strong { color: var(--yellow); }

/* ─── Architecture Cards ─── */
.arch-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 18px 0; }
@media (max-width: 700px) { .arch-grid { grid-template-columns: 1fr; } }
.arch-card {
  background: var(--surface2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 16px;
  transition: var(--transition);
}
.arch-card:hover { border-color: var(--border-hover); transform: translateY(-1px); }
.arch-card .card-title { font-size: 13px; font-weight: 600; color: var(--accent-light); margin-bottom: 6px; }
.arch-card p { font-size: 12px; margin: 0; color: var(--text-dim); line-height: 1.65; }

/* ─── Flow Diagram ─── */
.flow-diagram {
  background: rgba(6,8,13,0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin: 22px 0;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 12px;
  line-height: 2;
  white-space: pre;
  overflow-x: auto;
  color: var(--text-dim);
}
.flow-diagram strong { color: var(--accent-light); }
.flow-diagram em { color: var(--green); font-style: normal; }

/* ─── Service Tables ─── */
.service-table { width: 100%; border-collapse: collapse; font-size: 13px; margin: 14px 0; }
.service-table th {
  text-align: left;
  padding: 12px 14px;
  background: rgba(255,255,255,0.02);
  color: var(--text-dim);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 700;
}
.service-table td { padding: 12px 14px; border-bottom: 1px solid rgba(255,255,255,0.03); }
.service-table .tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.tag-required { background: rgba(248,113,113,0.12); color: var(--red); }
.tag-optional { background: rgba(52,211,153,0.12); color: var(--green); }
.tag-builtin { background: rgba(124,92,252,0.12); color: var(--accent-light); }

/* ─── Integration Cards (Settings) ─── */
.integration-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 12px;
  transition: var(--transition);
}
.integration-card:hover { border-color: var(--border-hover); }
.integration-card.disabled { opacity: 0.45; }
.integration-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.integration-name { font-weight: 700; font-size: 15px; margin-right: 10px; letter-spacing: -0.2px; }
.integration-details { display: flex; gap: 18px; font-size: 12px; color: var(--text-dim); }

/* ─── Toggle Rows (Settings) ─── */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.toggle-label { font-size: 13px; font-weight: 500; }
.toggle-desc { font-size: 11px; color: var(--text-dim); margin-top: 2px; }
input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
}

/* ─── Section styling ─── */
.section-title { font-size: 20px; font-weight: 700; margin-bottom: 6px; letter-spacing: -0.3px; }
.section-desc { font-size: 13px; color: var(--text-dim); margin-bottom: 22px; line-height: 1.7; }
.divider { border: none; border-top: 1px solid var(--border); margin: 24px 0; }
.empty-msg { color: var(--text-dim); font-size: 13px; padding: 16px 0; font-style: italic; }

/* ─── Toasts ─── */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  padding: 14px 22px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  z-index: 10000;
  backdrop-filter: blur(16px);
  animation: toastIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: var(--shadow-lg);
}
.toast-info { background: rgba(17,21,34,0.9); border: 1px solid var(--glass-border); color: var(--text); }
.toast-success { background: rgba(6,40,25,0.9); border: 1px solid rgba(52,211,153,0.3); color: var(--green); }
.toast-error { background: rgba(50,10,10,0.9); border: 1px solid rgba(248,113,113,0.3); color: var(--red); }
@keyframes toastIn {
  0% { opacity: 0; transform: translateY(20px) scale(0.95); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* ─── Animations ─── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.14); }

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .header { padding: 12px 16px; }
  .nav { padding: 0 16px; }
  .container { padding: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .settings-layout, .docs-layout { grid-template-columns: 1fr; }
  .settings-sidebar, .docs-sidebar { display: none; }
  .settings-main, .docs-main { padding: 20px; }
}