:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #15151e;
  --bg-card-hover: #1a1a25;
  --border: rgba(255,255,255,0.06);
  --border-accent: rgba(99,179,237,0.3);
  --text-primary: #f0f0f8;
  --text-secondary: #8888aa;
  --text-muted: #55556a;
  --accent: #63b3ed;
  --accent-2: #f6ad55;
  --accent-3: #68d391;
  --accent-4: #fc8181;
  --accent-glow: rgba(99,179,237,0.15);
  --skeleton-base: #1e1e2a;
  --skeleton-shine: #252535;
  --nav-w: 220px;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --font-display: 'Syne', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition: 0.2s cubic-bezier(0.4,0,0.2,1);
}
[data-theme="light"] {
  --bg-primary: #f0f0f8;
  --bg-secondary: #e8e8f5;
  --bg-card: #ffffff;
  --bg-card-hover: #f8f8ff;
  --border: rgba(0,0,0,0.08);
  --border-accent: rgba(49,130,206,0.3);
  --text-primary: #1a1a2e;
  --text-secondary: #555577;
  --text-muted: #9999bb;
  --accent: #3182ce;
  --accent-glow: rgba(49,130,206,0.08);
  --skeleton-base: #e4e4f0;
  --skeleton-shine: #f0f0fc;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
}


*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-display);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}


.sidebar {
  width: var(--nav-w);
  min-height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  z-index: 100;
  transition: transform var(--transition);
}
.sidebar-logo {
  padding: 28px 24px 20px;
  border-bottom: 1px solid var(--border);
}
.logo-mark {
  display: flex; align-items: center; gap: 10px;
  font-size: 18px; font-weight: 800; letter-spacing: -0.5px;
  color: var(--text-primary);
  text-decoration: none;
}
.logo-dot {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  display: grid; place-items: center;
  font-size: 14px;
}
.nav-section-label {
  font-size: 10px; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--text-muted);
  padding: 20px 24px 8px;
}
.nav-links { flex: 1; padding-bottom: 16px; }
.nav-link {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 24px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px; font-weight: 600;
  transition: all var(--transition);
  position: relative;
  cursor: pointer;
}
.nav-link:hover { color: var(--text-primary); background: var(--accent-glow); }
.nav-link.active {
  color: var(--accent);
  background: var(--accent-glow);
}
.nav-link.active::before {
  content: '';
  position: absolute; left: 0; top: 4px; bottom: 4px;
  width: 3px; border-radius: 0 3px 3px 0;
  background: var(--accent);
}
.nav-icon { font-size: 16px; width: 20px; text-align: center; }
.nav-badge {
  margin-left: auto; font-size: 10px; font-weight: 700;
  background: var(--accent); color: #fff;
  padding: 1px 6px; border-radius: 10px;
  font-family: var(--font-mono);
}

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}
.theme-toggle {
  margin-left: auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 34px; height: 34px;
  border-radius: 8px; cursor: pointer;
  font-size: 16px;
  display: grid; place-items: center;
  transition: all var(--transition);
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.user-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-2), var(--accent-4));
  display: grid; place-items: center;
  font-size: 13px; font-weight: 700; color: #fff;
}
.user-info { font-size: 12px; }
.user-name { font-weight: 700; }
.user-role { color: var(--text-muted); font-size: 11px; }


.main {
  margin-left: var(--nav-w);
  flex: 1;
  min-height: 100vh;
  display: flex; flex-direction: column;
}
.topbar {
  height: 64px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 32px;
  gap: 16px;
  position: sticky; top: 0; z-index: 50;
}
.page-title {
  font-size: 16px; font-weight: 700;
  display: flex; align-items: center; gap: 10px;
}
.page-title-icon { font-size: 18px; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.refresh-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 7px 14px; border-radius: var(--radius-sm);
  cursor: pointer; font-size: 12px; font-weight: 600;
  font-family: var(--font-display);
  display: flex; align-items: center; gap: 6px;
  transition: all var(--transition);
}
.refresh-btn:hover { border-color: var(--accent); color: var(--accent); }
.refresh-btn.spinning .btn-icon { animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.last-update {
  font-size: 11px; color: var(--text-muted);
  font-family: var(--font-mono);
}
.live-dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-3); margin-right: 4px;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.content { padding: 28px 32px; flex: 1; }


.filter-bar {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 24px; flex-wrap: wrap;
}
.filter-label { font-size: 12px; color: var(--text-muted); font-weight: 600; }
.filter-pills { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-pill {
  padding: 5px 14px; border-radius: 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px; font-weight: 600;
  cursor: pointer; font-family: var(--font-display);
  transition: all var(--transition);
}
.filter-pill:hover { border-color: var(--accent); color: var(--accent); }
.filter-pill.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.filter-search {
  margin-left: auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 6px 14px; border-radius: var(--radius-sm);
  font-size: 12px; font-family: var(--font-mono);
  width: 200px;
  transition: border-color var(--transition);
}
.filter-search:focus { outline: none; border-color: var(--accent); }
.filter-search::placeholder { color: var(--text-muted); }


.bento-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(12, 1fr);
}
.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.bento-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}
.bento-card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.bento-card:hover::after { opacity: 0.5; }


.span-3  { grid-column: span 3; }
.span-4  { grid-column: span 4; }
.span-6  { grid-column: span 6; }
.span-8  { grid-column: span 8; }
.span-12 { grid-column: span 12; }


.stat-label {
  font-size: 11px; font-weight: 600; letter-spacing: 1px;
  text-transform: uppercase; color: var(--text-muted);
  margin-bottom: 8px; display: flex; align-items: center; gap: 6px;
}
.stat-value {
  font-size: 28px; font-weight: 800;
  letter-spacing: -1px; line-height: 1;
  font-family: var(--font-mono);
}
.stat-change {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12px; font-weight: 600; font-family: var(--font-mono);
  margin-top: 8px; padding: 3px 8px; border-radius: 6px;
}
.stat-change.up { color: var(--accent-3); background: rgba(104,211,145,0.1); }
.stat-change.down { color: var(--accent-4); background: rgba(252,129,129,0.1); }

.mini-chart-container { height: 40px; margin-top: 12px; }


.card-header {
  display: flex; align-items: flex-start;
  margin-bottom: 20px;
}
.card-title { font-size: 14px; font-weight: 700; }
.card-subtitle { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.card-actions { margin-left: auto; display: flex; gap: 6px; }
.card-action {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 28px; height: 28px; border-radius: 6px;
  cursor: pointer; font-size: 12px;
  display: grid; place-items: center;
  transition: all var(--transition);
}
.card-action:hover { color: var(--accent); border-color: var(--accent); }
.chart-container { position: relative; }
.chart-container canvas { max-width: 100%; }


@keyframes skeleton-shimmer {
  0% { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}
.skeleton {
  background: linear-gradient(90deg,
    var(--skeleton-base) 25%,
    var(--skeleton-shine) 50%,
    var(--skeleton-base) 75%
  );
  background-size: 800px 100%;
  animation: skeleton-shimmer 1.4s ease infinite;
  border-radius: 6px;
}
.skeleton-text { height: 12px; margin-bottom: 8px; }
.skeleton-text.short { width: 40%; }
.skeleton-text.medium { width: 65%; }
.skeleton-value { height: 32px; width: 55%; margin-bottom: 8px; border-radius: 4px; }
.skeleton-chart { border-radius: 10px; }
.skeleton-badge { height: 22px; width: 70px; border-radius: 11px; }


.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  text-align: left; padding: 8px 12px;
  font-size: 10px; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: 12px 12px;
  font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.data-table tr:hover td { background: var(--accent-glow); }
.data-table tr:last-child td { border-bottom: none; }
.coin-name { display: flex; align-items: center; gap: 10px; }
.coin-icon {
  width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 14px; font-weight: 700;
}
.coin-symbol { font-size: 10px; color: var(--text-muted); font-family: var(--font-mono); }
.price-cell { font-family: var(--font-mono); font-weight: 500; }
.change-cell { font-family: var(--font-mono); font-size: 12px; font-weight: 600; }
.change-cell.pos { color: var(--accent-3); }
.change-cell.neg { color: var(--accent-4); }
.vol-bar-wrap { display: flex; align-items: center; gap: 8px; }
.vol-bar { height: 4px; border-radius: 2px; background: var(--accent); opacity: 0.6; }
.rank-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 6px;
  background: var(--bg-primary);
  font-size: 10px; font-weight: 700; font-family: var(--font-mono);
  color: var(--text-muted);
}


.weather-hero {
  display: flex; align-items: center; gap: 20px;
  margin-bottom: 24px;
}
.weather-temp {
  font-size: 64px; font-weight: 800; letter-spacing: -3px;
  line-height: 1; font-family: var(--font-mono);
}
.weather-icon-big { font-size: 56px; line-height: 1; }
.weather-desc { font-size: 16px; color: var(--text-secondary); margin-top: 4px; }
.weather-city { font-size: 12px; color: var(--text-muted); }
.weather-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.weather-stat-item { text-align: center; }
.weather-stat-val { font-size: 18px; font-weight: 700; font-family: var(--font-mono); }
.weather-stat-lbl { font-size: 10px; color: var(--text-muted); margin-top: 2px; }
.forecast-list { display: flex; gap: 8px; margin-top: 20px; overflow-x: auto; }
.forecast-item {
  flex: 1; min-width: 56px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 6px; text-align: center;
}
.forecast-day { font-size: 10px; color: var(--text-muted); font-weight: 600; }
.forecast-icon { font-size: 20px; margin: 6px 0; }
.forecast-temp { font-size: 13px; font-weight: 700; font-family: var(--font-mono); }


.empty-state {
  text-align: center; padding: 40px 20px;
  color: var(--text-muted);
}
.empty-icon { font-size: 40px; margin-bottom: 12px; }
.empty-text { font-size: 14px; }

.alert-bar {
  background: rgba(99,179,237,0.08);
  border: 1px solid rgba(99,179,237,0.2);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-size: 12px;
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 20px;
}
.alert-bar .alert-icon { font-size: 14px; }
.alert-bar a { color: var(--accent); text-decoration: none; }


.mobile-nav-toggle {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  width: 36px; height: 36px; border-radius: 8px;
  font-size: 18px; cursor: pointer;
  place-items: center;
}


@media (max-width: 1100px) {
  .span-3 { grid-column: span 6; }
  .span-4 { grid-column: span 6; }
  .span-8 { grid-column: span 12; }
}
@media (max-width: 768px) {
  :root { --nav-w: 0px; }
  .sidebar { transform: translateX(-220px); width: 220px; }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .mobile-nav-toggle { display: grid; }
  .span-3, .span-4, .span-6 { grid-column: span 12; }
  .content { padding: 16px; }
  .topbar { padding: 0 16px; }
}


.page-enter { animation: page-in 0.25s ease; }
@keyframes page-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fade 0.3s ease forwards; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }