/* ==========================================================================
   Predictalytics — Premium SaaS Dashboard Design System
   Modern clean dashboard inspired by Dribbble reference design.
   ========================================================================== */

/* ─── CSS Custom Properties (Design Tokens) ─── */
:root {
  /* Light Theme */
  --bg: #F4F5F7;
  --bg-sidebar: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-input: #F0F1F3;
  --text-primary: #111111;
  --text-secondary: #666666;
  --text-muted: #999999;
  --border: #E8E9EC;
  --accent: #FF2D55;
  --accent-glow: rgba(255, 45, 85, 0.15);
  --success: #34C759;
  --danger: #FF3B30;
  --warning: #FF9500;
  --info: #5AC8FA;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.2s ease;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --sidebar-w: 240px;
}

[data-theme="dark"] {
  --bg: #0B0C0F;
  --bg-sidebar: #111215;
  --bg-card: #16181D;
  --bg-input: #1E2028;
  --text-primary: #EEEEEE;
  --text-secondary: #AAAAAA;
  --text-muted: #666666;
  --border: #2A2C33;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
}

/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 14px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-primary);
  display: flex;
  min-height: 100vh;
  transition: background var(--transition), color var(--transition);
}

/* ─── Sidebar ─── */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: background var(--transition), border-color var(--transition);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}

.logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent), #FF6B8A);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 2px 12px var(--accent-glow);
}

.logo-text { font-weight: 700; font-size: 16px; letter-spacing: -0.3px; }

.sidebar-nav { flex: 1; padding: 12px 10px; display: flex; flex-direction: column; gap: 2px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 13.5px;
  transition: all var(--transition);
  position: relative;
}

.nav-item:hover { background: var(--bg-input); color: var(--text-primary); }

.nav-item.active {
  background: var(--accent-glow);
  color: var(--accent);
  font-weight: 600;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 50%; transform: translateY(-50%);
  width: 3px; height: 20px;
  background: var(--accent);
  border-radius: 2px;
}

.badge {
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 10px;
  margin-left: auto;
}

.sidebar-footer { padding: 12px 10px; border-top: 1px solid var(--border); }

/* ─── Main Content ─── */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-w);
  min-height: 100vh;
}

/* ─── Topbar ─── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: var(--bg-sidebar);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  transition: background var(--transition), border-color var(--transition);
}

.topbar-left { flex: 1; max-width: 600px; display: flex; align-items: center; gap: 12px; }

.platform-select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  outline: none;
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition);
}

.platform-select:focus { border-color: var(--accent); }

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  transition: border-color var(--transition);
  flex: 1;
  min-width: 400px;
}

.search-box:focus-within { border-color: var(--accent); }

.search-box input {
  border: none;
  background: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 13px;
  width: 100%;
}

.search-box input::placeholder { color: var(--text-muted); }

.search-box svg { color: var(--text-muted); flex-shrink: 0; }

.topbar-right { display: flex; align-items: center; gap: 16px; }

.timeframe-toggle {
  display: flex;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  padding: 3px;
}

.tf-btn {
  padding: 6px 14px;
  border: none;
  background: none;
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition);
}

.tf-btn.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.tf-btn:hover:not(.active) { color: var(--text-primary); }

/* Theme Toggle */
.theme-toggle {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: var(--bg-input);
  border: 1px solid var(--border);
  transition: all var(--transition);
  color: var(--text-secondary);
}

.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }
.icon-sun { display: none; }

/* ─── Page Content ─── */
.page-content { padding: 28px 32px; }

.page { display: none; }
.page.active { display: block; animation: fadeIn 0.3s ease; }

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

.page-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

/* ─── Metric Cards ─── */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.metric-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.metric-card.accent {
  background: linear-gradient(135deg, var(--accent), #FF6B8A);
  border: none;
  color: #fff;
}

.metric-card.accent .metric-label { color: rgba(255,255,255,0.8); }
.metric-card.accent .metric-delta { color: rgba(255,255,255,0.9); }

.metric-label { font-size: 12px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.metric-value { font-size: 28px; font-weight: 800; letter-spacing: -1px; margin-bottom: 4px; }
.metric-delta { font-size: 12px; font-weight: 600; }
.metric-delta.positive { color: var(--success); }
.metric-delta.negative { color: var(--danger); }

/* ─── Cards ─── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  overflow: hidden;
}

.card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header h2 { font-size: 15px; font-weight: 700; letter-spacing: -0.3px; }

/* ─── Charts ─── */
.charts-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
.chart-card { margin-bottom: 0; }
.chart-container { padding: 20px 24px; height: 260px; }

/* ─── Data Tables ─── */
.table-wrap { overflow-x: auto; }

.data-table { width: 100%; border-collapse: collapse; }

.data-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 12px 16px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table tbody tr { transition: background var(--transition); }
.data-table tbody tr:hover { background: var(--bg-input); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* Badges in tables */
.tier-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}
.tier-diamond { background: rgba(99,102,241,0.15); color: #818CF8; }
.tier-platinum { background: rgba(168,85,247,0.15); color: #C084FC; }
.tier-gold { background: rgba(245,158,11,0.15); color: #F59E0B; }
.tier-silver { background: rgba(156,163,175,0.15); color: #9CA3AF; }
.tier-bronze { background: rgba(180,83,9,0.15); color: #D97706; }
.tier-unknown { background: var(--bg-input); color: var(--text-muted); }

.side-buy { color: var(--success); font-weight: 700; }
.side-sell { color: var(--danger); font-weight: 700; }

.pnl-positive { color: var(--success); font-weight: 600; }
.pnl-negative { color: var(--danger); font-weight: 600; }

.btn-sm {
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-input);
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-sm:hover { border-color: var(--accent); color: var(--accent); }

/* ─── Alerts ─── */
.alert-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.alert-item:hover { background: var(--bg-input); }
.alert-item:last-child { border-bottom: none; }
.alert-icon { width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 16px; }
.alert-severity-4 { background: rgba(255,59,48,0.15); }
.alert-severity-3 { background: rgba(255,149,0,0.15); }
.alert-severity-2 { background: rgba(90,200,250,0.15); }
.alert-severity-1 { background: var(--bg-input); }
.alert-content { flex: 1; }
.alert-title { font-weight: 600; font-size: 13px; margin-bottom: 3px; }
.alert-message { font-size: 12px; color: var(--text-secondary); line-height: 1.5; }
.alert-time { font-size: 11px; color: var(--text-muted); white-space: nowrap; margin-top: 2px; }
.alert-unread .alert-title::before { content: ''; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); margin-right: 8px; }

/* ─── Empty State ─── */
.empty-state {
  padding: 60px 24px;
  text-align: center;
  color: var(--text-muted);
}
.empty-state p { font-size: 14px; margin-top: 8px; }

/* ─── Responsive ─── */
@media (max-width: 1200px) { .metrics-grid { grid-template-columns: repeat(2, 1fr); } .charts-row { grid-template-columns: 1fr; } }
@media (max-width: 768px) { .sidebar { display: none; } .main-content { margin-left: 0; } .metrics-grid { grid-template-columns: 1fr; } }

/* ─── Detail Views ─── */
.detail-header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.btn-back { background: none; border: none; color: var(--text-secondary); cursor: pointer; font-size: 14px; font-weight: 600; padding: 4px 8px; border-radius: 4px; transition: var(--transition); }
.btn-back:hover { background: var(--bg-input); color: var(--text-primary); }

.detail-grid { display: grid; grid-template-columns: 300px 1fr; gap: 24px; align-items: start; }
.detail-sidebar { padding: 24px; }
.detail-main { min-width: 0; }
.trader-menubar { display: flex; justify-content: space-between; align-items: center; background: var(--bg-surface); padding: 16px 24px; border-radius: 8px; border: 1px solid var(--border); margin-bottom: 24px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.trader-menubar-left { display: flex; align-items: center; gap: 16px; }
.trader-menubar-right { display: flex; gap: 12px; }
.menubar-divider { width: 1px; height: 24px; background: var(--border); }
.btn-outline { background: var(--bg-input); color: var(--text); border: 1px solid var(--border); border-radius: 6px; cursor: pointer; font-weight: 500; transition: all 0.2s; }
.btn-outline:hover { background: var(--border); }
.btn-primary { background: var(--primary); color: #000; border: none; border-radius: 6px; cursor: pointer; font-weight: bold; transition: all 0.2s; }
.btn-primary:hover { filter: brightness(1.1); }
.tabs-nav { display: flex; gap: 12px; margin-bottom: 24px; border-bottom: 1px solid var(--border); padding-bottom: 8px; flex-wrap: wrap; align-items: center; }
.btn-tab { 
    white-space: nowrap; 
    padding: 8px 16px; 
    border-radius: 6px; 
    font-size: 14px; 
    font-weight: 600;
    transition: all 0.2s; 
    background: transparent; 
    color: var(--text-muted); 
    border: none; 
    cursor: pointer;
}
.btn-tab:hover { background: var(--bg-input); color: var(--text-primary); }
.btn-tab.active { 
    background: var(--bg-input); 
    color: var(--primary) !important; 
    border-bottom: 2px solid var(--primary) !important; 
    border-radius: 6px 6px 0 0;
}
.stat-group { margin-bottom: 16px; }
.stat-label { font-size: 11px; font-weight: 700; text-transform: uppercase; color: var(--text-muted); letter-spacing: 0.5px; margin-bottom: 4px; }
.stat-value { font-size: 15px; font-weight: 600; color: var(--text-primary); }
.stat-value.small { font-size: 12px; font-family: 'Cascadia Code', monospace; word-break: break-all; opacity: 0.8; }

.outcome-row { margin-bottom: 12px; padding: 12px; background: var(--bg-input); border-radius: 8px; display: flex; flex-direction: column; gap: 6px; }
.outcome-row span { font-size: 13px; font-weight: 600; }
.outcome-row strong { font-size: 15px; color: var(--accent); }

.progress-bar { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; margin-top: 4px; }
.progress-fill { height: 100%; background: var(--accent); border-radius: 3px; transition: width 0.5s ease; }

.market-img-container img { width: 100%; height: auto; border-radius: 8px; margin-bottom: 16px; box-shadow: var(--shadow-sm); }
.outcomes-list { padding: 16px 24px; }