/* ============================================
   AURUM EXCHANGE — Premium Trading Platform
   ============================================ */

:root {
  --bg-primary: #060a13;
  --bg-surface: #0c1220;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-solid: #0f172a;
  --bg-card-hover: rgba(22, 33, 56, 0.85);
  --bg-input: rgba(6, 10, 19, 0.8);
  --bg-glass: rgba(15, 23, 42, 0.55);

  --gold: #c9a84c;
  --gold-light: #e2c87a;
  --gold-dark: #a68832;
  --gold-glow: rgba(201, 168, 76, 0.12);
  --gold-gradient: linear-gradient(135deg, #c9a84c 0%, #e2c87a 50%, #c9a84c 100%);

  --green: #10b981;
  --green-light: #34d399;
  --green-bg: rgba(16, 185, 129, 0.1);
  --red: #ef4444;
  --red-light: #f87171;
  --red-bg: rgba(239, 68, 68, 0.1);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #475569;

  --border: rgba(30, 41, 59, 0.8);
  --border-light: rgba(51, 65, 85, 0.6);
  --border-gold: rgba(201, 168, 76, 0.2);

  --font-ui: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;

  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4), 0 2px 6px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5), 0 4px 12px rgba(0,0,0,0.3);
  --shadow-gold: 0 4px 24px rgba(201,168,76,0.15), 0 2px 8px rgba(201,168,76,0.1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-ui);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold-light); }
img { max-width: 100%; display: block; }

/* === NAV === */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 64px;
  background: rgba(12, 18, 32, 0.85);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 3px;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.nav-links a:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
}

.nav-links .btn-sm {
  color: var(--gold);
  border: 1px solid var(--border-gold);
  background: rgba(201,168,76,0.06);
}

.nav-links .btn-sm:hover {
  background: var(--gold);
  color: var(--bg-primary);
  border-color: var(--gold);
  box-shadow: var(--shadow-gold);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* === LAYOUT === */
.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

.page-content { padding: 24px; max-width: 1440px; margin: 0 auto; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .nav { padding: 0 16px; }
}

/* === CARD === */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
}

.card:hover { border-color: var(--border-light); box-shadow: var(--shadow-md); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-secondary);
}

/* === PRICE DISPLAY === */
.price-display { text-align: center; padding: 40px 0; }

.price-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-weight: 500;
}

.price-value {
  font-family: var(--font-mono);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  transition: color 0.3s;
  letter-spacing: -1px;
}

.price-value.up { color: var(--green); }
.price-value.down { color: var(--red); }

.price-unit {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 8px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.price-change {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  margin-top: 12px;
  padding: 6px 16px;
  border-radius: 100px;
}

.price-change.up { color: var(--green-light); background: var(--green-bg); }
.price-change.down { color: var(--red-light); background: var(--red-bg); }

.price-meta {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 24px;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.price-meta span { display: flex; flex-direction: column; align-items: center; gap: 4px; }

.price-meta .meta-value {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

@keyframes flash-green { 0% { background: var(--green-bg); } 100% { background: transparent; } }
@keyframes flash-red { 0% { background: var(--red-bg); } 100% { background: transparent; } }
.flash-up { animation: flash-green 0.6s ease; }
.flash-down { animation: flash-red 0.6s ease; }

/* === CHART === */
#chart-container {
  width: 100%;
  height: 300px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-surface);
  border: 1px solid var(--border);
}

/* === STAT === */
.stat-row { display: flex; gap: 12px; flex-wrap: wrap; }

.stat-item {
  flex: 1;
  min-width: 120px;
  background: rgba(12,18,32,0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  text-align: center;
}

.stat-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 500;
}

.stat-value { font-family: var(--font-mono); font-size: 1.1rem; font-weight: 600; color: var(--text-primary); }
.stat-value.green { color: var(--green); }
.stat-value.red { color: var(--red); }

/* === TABLE === */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }

thead th {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  font-weight: 600;
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(30,41,59,0.4);
  color: var(--text-secondary);
  white-space: nowrap;
}

tbody tr { transition: background var(--transition); }
tbody tr:hover { background: rgba(255,255,255,0.02); }

td.mono { font-family: var(--font-mono); font-size: 0.85rem; font-weight: 500; }
td.green { color: var(--green); }
td.red { color: var(--red); }

.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.rank-1 { background: var(--gold-gradient); color: var(--bg-primary); }
.rank-2 { background: linear-gradient(135deg, #94a3b8, #cbd5e1); color: var(--bg-primary); }
.rank-3 { background: linear-gradient(135deg, #cd7f32, #daa06d); color: var(--bg-primary); }

/* === FORM === */
.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  transition: all var(--transition);
  outline: none;
}

.form-input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.1), 0 0 20px rgba(201,168,76,0.05);
}

.form-input::placeholder { color: var(--text-muted); }
.form-input.mono { font-family: var(--font-mono); letter-spacing: 0.5px; }

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 6px; }

.form-error {
  color: var(--red);
  font-size: 0.8rem;
  margin-top: 8px;
  padding: 10px 14px;
  background: var(--red-bg);
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--radius);
  display: none;
}

.form-error.show { display: block; }

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
  white-space: nowrap;
}

.btn:disabled { opacity: 0.35; cursor: not-allowed; }

.btn-primary {
  background: var(--gold-gradient);
  color: var(--bg-primary);
  box-shadow: 0 2px 12px rgba(201,168,76,0.25);
}

.btn-primary:hover:not(:disabled) {
  box-shadow: 0 4px 24px rgba(201,168,76,0.35), 0 0 40px rgba(201,168,76,0.1);
  transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) { transform: translateY(0); }

.btn-success {
  background: linear-gradient(135deg, #10b981, #34d399);
  color: #fff;
  box-shadow: 0 2px 12px rgba(16,185,129,0.25);
}

.btn-success:hover:not(:disabled) {
  box-shadow: 0 4px 24px rgba(16,185,129,0.35);
  transform: translateY(-1px);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444, #f87171);
  color: #fff;
  box-shadow: 0 2px 12px rgba(239,68,68,0.25);
}

.btn-danger:hover:not(:disabled) {
  box-shadow: 0 4px 24px rgba(239,68,68,0.35);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-outline:hover:not(:disabled) {
  border-color: var(--text-secondary);
  color: var(--text-primary);
  background: rgba(255,255,255,0.03);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 12px;
  text-transform: none;
  letter-spacing: 0;
}

.btn-ghost:hover { color: var(--text-primary); background: rgba(255,255,255,0.04); }

.btn-sm { padding: 8px 14px; font-size: 0.75rem; }
.btn-lg { padding: 16px 32px; font-size: 0.9rem; }
.btn-block { width: 100%; }
.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* === BADGE === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-green { background: var(--green-bg); color: var(--green); border: 1px solid rgba(16,185,129,0.2); }
.badge-red { background: var(--red-bg); color: var(--red); border: 1px solid rgba(239,68,68,0.2); }
.badge-gold { background: var(--gold-glow); color: var(--gold); border: 1px solid var(--border-gold); }
.badge-muted { background: rgba(71,85,105,0.15); color: var(--text-muted); border: 1px solid rgba(71,85,105,0.2); }

/* === MODAL === */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 16px;
}

.modal-overlay.show { display: flex; }

.modal {
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 100%;
  max-width: 440px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 20px; color: var(--text-primary); }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 24px; }

/* === TABS === */
.tabs { display: flex; border-bottom: 1px solid var(--border); margin-bottom: 20px; gap: 4px; }

.tab {
  padding: 12px 24px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: var(--font-ui);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.tab:hover { color: var(--text-secondary); }
.tab.active { color: var(--gold); border-bottom-color: var(--gold); }

/* === TRADE FORM === */
.trade-form {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.trade-type-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  background: rgba(6,10,19,0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px;
  margin-bottom: 20px;
}

.trade-type-btn {
  padding: 10px;
  border: none;
  border-radius: 8px;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  background: transparent;
  color: var(--text-muted);
  transition: all var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.trade-type-btn.active.buy {
  background: linear-gradient(135deg, #10b981, #34d399);
  color: #fff;
  box-shadow: 0 2px 12px rgba(16,185,129,0.3);
}

.trade-type-btn.active.sell {
  background: linear-gradient(135deg, #ef4444, #f87171);
  color: #fff;
  box-shadow: 0 2px 12px rgba(239,68,68,0.3);
}

.trade-estimate {
  background: rgba(6,10,19,0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin: 16px 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: center;
}

/* === RANKING === */
.ranking-list { list-style: none; }

.ranking-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(30,41,59,0.4);
  transition: background var(--transition);
}

.ranking-item:last-child { border-bottom: none; }
.ranking-item:hover { background: rgba(255,255,255,0.02); }

.ranking-rank {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  width: 30px; height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(12,18,32,0.8);
  border: 1px solid var(--border);
  color: var(--text-muted);
  flex-shrink: 0;
}

.ranking-item:nth-child(1) .ranking-rank {
  background: var(--gold-gradient);
  border-color: var(--gold);
  color: var(--bg-primary);
}

.ranking-item:nth-child(2) .ranking-rank {
  background: linear-gradient(135deg, #94a3b8, #cbd5e1);
  border-color: #94a3b8;
  color: var(--bg-primary);
}

.ranking-item:nth-child(3) .ranking-rank {
  background: linear-gradient(135deg, #cd7f32, #daa06d);
  border-color: #cd7f32;
  color: var(--bg-primary);
}

.ranking-name { flex: 1; font-size: 0.9rem; font-weight: 500; color: var(--text-primary); }
.ranking-equity { font-family: var(--font-mono); font-size: 0.9rem; font-weight: 600; color: var(--gold); }

/* === TICKER === */
.ticker-bar {
  overflow: hidden;
  background: rgba(12,18,32,0.9);
  border-top: 1px solid var(--border);
  padding: 10px 0;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
}

.ticker-content {
  display: flex;
  gap: 48px;
  animation: ticker-scroll 30s linear infinite;
  white-space: nowrap;
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.ticker-item { display: inline-flex; gap: 8px; align-items: center; }
.ticker-item .buy-tag { color: var(--green); font-weight: 600; }
.ticker-item .sell-tag { color: var(--red); font-weight: 600; }

@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* === AUTH PAGE === */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 64px);
  padding: 24px 16px;
  background:
    radial-gradient(ellipse 60% 50% at 50% 40%, rgba(201,168,76,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 80% 60% at 20% 80%, rgba(15,23,42,0.8) 0%, transparent 60%),
    var(--bg-primary);
}

.auth-card {
  background: var(--bg-glass);
  backdrop-filter: blur(24px) saturate(1.3);
  -webkit-backdrop-filter: blur(24px) saturate(1.3);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  width: 100%;
  max-width: 420px;
  box-shadow:
    0 8px 40px rgba(0,0,0,0.4),
    0 0 80px rgba(201,168,76,0.04),
    inset 0 1px 0 rgba(255,255,255,0.04);
}

.auth-title {
  font-size: 1.3rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 32px;
  color: var(--text-primary);
  letter-spacing: 0.5px;
}

.auth-footer { text-align: center; margin-top: 24px; font-size: 0.85rem; color: var(--text-muted); }

/* === DASHBOARD === */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 20px;
}

.dashboard-main { display: flex; flex-direction: column; gap: 20px; }
.dashboard-side { display: flex; flex-direction: column; gap: 20px; }

@media (max-width: 960px) { .dashboard-grid { grid-template-columns: 1fr; } }

/* === ADMIN === */
.admin-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 0;
  min-height: calc(100vh - 64px);
}

.admin-sidebar {
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  padding: 20px;
  overflow-y: auto;
}

.admin-main { padding: 28px; overflow-y: auto; }
.admin-section { margin-bottom: 28px; }

.admin-section-title {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-bottom: 14px;
  font-weight: 600;
}

.exchange-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: 4px;
  border: 1px solid transparent;
}

.exchange-list-item:hover { background: rgba(255,255,255,0.03); border-color: var(--border); }

.exchange-list-item.active {
  background: rgba(201,168,76,0.06);
  border-color: var(--border-gold);
  border-left: 3px solid var(--gold);
}

.exchange-list-item .name { font-size: 0.85rem; font-weight: 500; color: var(--text-primary); }

.quick-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.quick-btn {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(12,18,32,0.6);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.quick-btn:hover { border-color: var(--gold); color: var(--gold); background: rgba(201,168,76,0.06); }
.quick-btn.danger:hover { border-color: var(--red); color: var(--red); background: var(--red-bg); }

@media (max-width: 768px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { border-right: none; border-bottom: 1px solid var(--border); }
}

/* === BOARD MODE === */
.board-mode { background: #000; overflow: hidden; }
.board-mode .nav { display: none; }

.board-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  grid-template-rows: 1fr auto;
  height: 100vh;
  padding: 32px;
  gap: 28px;
  background: radial-gradient(ellipse 50% 40% at 30% 40%, rgba(201,168,76,0.04) 0%, transparent 70%), #000;
}

.board-price { display: flex; flex-direction: column; justify-content: center; }
.board-price .price-value { font-size: 6rem; line-height: 1; letter-spacing: -2px; }
.board-price .price-change { font-size: 1.5rem; margin-top: 16px; }
.board-price #chart-container { height: 40vh; margin-top: 28px; border: none; }

.board-ranking {
  background: rgba(15,23,42,0.5);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 24px;
  overflow-y: auto;
}

.board-ranking .card-title { font-size: 1rem; margin-bottom: 20px; }
.board-ranking .ranking-item { padding: 16px 14px; }
.board-ranking .ranking-name { font-size: 1.2rem; }
.board-ranking .ranking-equity { font-size: 1.2rem; }
.board-ranking .ranking-rank { width: 38px; height: 38px; font-size: 1rem; }
.board-ticker { grid-column: 1 / -1; font-size: 1.1rem; }

/* === UTILITIES === */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-gold { color: var(--gold); }
.text-green { color: var(--green); }
.text-red { color: var(--red); }
.text-muted { color: var(--text-muted); }
.text-mono { font-family: var(--font-mono); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.gap-8 { gap: 8px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.hidden { display: none !important; }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(71,85,105,0.4); border-radius: 100px; }
::-webkit-scrollbar-thumb:hover { background: rgba(71,85,105,0.6); }

/* === FOOTER === */
.footer {
  text-align: center;
  padding: 32px 16px;
  font-size: 0.7rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  margin-top: 64px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* === LOADING === */
.loading { display: flex; align-items: center; justify-content: center; padding: 40px; color: var(--text-muted); font-size: 0.85rem; }

.spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 10px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* === TOAST === */
.toast {
  position: fixed;
  top: 80px; right: 20px;
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 22px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  z-index: 300;
  transform: translateX(120%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 340px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
}

.toast.show { transform: translateX(0); }
.toast.success { border-color: var(--green); box-shadow: var(--shadow-lg), 0 0 20px rgba(16,185,129,0.1); }
.toast.error { border-color: var(--red); box-shadow: var(--shadow-lg), 0 0 20px rgba(239,68,68,0.1); }