/* ═══════════════════════════════════════════════════════════════
   DESIGN SYSTEM — Arb Screener Enterprise
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&family=Space+Grotesk:wght@500;700&display=swap');

/* ═══════════════════════════════════════════════════════════════
   DARK THEME (default)
   ═══════════════════════════════════════════════════════════════ */

[data-theme="dark"] {
  --bg-base: #07080c;
  --bg-sidebar: #0c0e14;
  --bg-topbar: rgba(12, 14, 20, 0.85);
  --bg-card: rgba(16, 18, 27, 0.65);
  --bg-card-solid: #10121b;
  --bg-card-hover: rgba(22, 25, 38, 0.8);
  --bg-input: rgba(12, 14, 22, 0.9);
  --bg-overlay: rgba(0, 0, 0, 0.7);
  --bg-stat: rgba(16, 18, 27, 0.5);

  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-border-hover: rgba(255, 255, 255, 0.12);
  --glass-blur: 24px;

  --accent-primary: #6366f1;
  --accent-primary-soft: rgba(99, 102, 241, 0.12);
  --accent-primary-glow: rgba(99, 102, 241, 0.2);
  --accent-green: #10b981;
  --accent-green-soft: rgba(16, 185, 129, 0.12);
  --accent-green-glow: rgba(16, 185, 129, 0.25);
  --accent-red: #ef4444;
  --accent-red-soft: rgba(239, 68, 68, 0.12);
  --accent-yellow: #f59e0b;
  --accent-yellow-soft: rgba(245, 158, 11, 0.12);
  --accent-cyan: #06b6d4;
  --accent-cyan-soft: rgba(6, 182, 212, 0.1);
  --accent-purple: #a855f7;
  --accent-purple-soft: rgba(168, 85, 247, 0.1);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --text-muted: #334155;

  --shadow-card: 0 1px 3px rgba(0,0,0,0.3), 0 4px 20px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.4);
  --sidebar-shadow: 1px 0 0 var(--glass-border);
}

/* ═══════════════════════════════════════════════════════════════
   LIGHT THEME
   ═══════════════════════════════════════════════════════════════ */

[data-theme="light"] {
  --bg-base: #f5f7fa;
  --bg-sidebar: #ffffff;
  --bg-topbar: rgba(255, 255, 255, 0.9);
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-solid: #ffffff;
  --bg-card-hover: rgba(248, 250, 252, 1);
  --bg-input: #f8fafc;
  --bg-overlay: rgba(0, 0, 0, 0.4);
  --bg-stat: rgba(248, 250, 252, 0.8);

  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-border-hover: rgba(0, 0, 0, 0.14);
  --glass-blur: 24px;

  --accent-primary: #4f46e5;
  --accent-primary-soft: rgba(79, 70, 229, 0.08);
  --accent-primary-glow: rgba(79, 70, 229, 0.15);
  --accent-green: #059669;
  --accent-green-soft: rgba(5, 150, 105, 0.08);
  --accent-green-glow: rgba(5, 150, 105, 0.15);
  --accent-red: #dc2626;
  --accent-red-soft: rgba(220, 38, 38, 0.08);
  --accent-yellow: #d97706;
  --accent-yellow-soft: rgba(217, 119, 6, 0.08);
  --accent-cyan: #0891b2;
  --accent-cyan-soft: rgba(8, 145, 178, 0.08);
  --accent-purple: #7c3aed;
  --accent-purple-soft: rgba(124, 58, 237, 0.08);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #94a3b8;
  --text-muted: #cbd5e1;

  --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.04);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
  --sidebar-shadow: 1px 0 0 var(--glass-border);
}

/* ═══════════════════════════════════════════════════════════════
   SHARED TOKENS
   ═══════════════════════════════════════════════════════════════ */

:root {
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --sidebar-width: 240px;
  --sidebar-collapsed: 68px;
  --topbar-height: 60px;
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
}

/* ═══════════════════════════════════════════════════════════════
   RESET
   ═══════════════════════════════════════════════════════════════ */

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

html {
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-base);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
  transition: background var(--duration-normal) var(--ease-out), color var(--duration-normal) var(--ease-out);
}

/* ═══════════════════════════════════════════════════════════════
   APP SHELL — Sidebar + Main
   ═══════════════════════════════════════════════════════════════ */

.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ═══════════════════════════════════════════════════════════════
   SIDEBAR
   ═══════════════════════════════════════════════════════════════ */

.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  box-shadow: var(--sidebar-shadow);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: width var(--duration-normal) var(--ease-out), transform var(--duration-normal) var(--ease-out);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--glass-border);
}

.sidebar-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
  box-shadow: 0 0 16px var(--accent-primary-glow);
}

.sidebar-logo-text {
  font-size: 1.05rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  width: 100%;
  text-align: left;
}

.nav-item:hover {
  background: var(--accent-primary-soft);
  color: var(--text-secondary);
}

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

.nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--glass-border);
}

.sidebar-connection {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
}

.conn-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-yellow);
  flex-shrink: 0;
  transition: all var(--duration-fast);
}

.conn-dot.connected {
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green-glow);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ═══════════════════════════════════════════════════════════════
   MAIN AREA
   ═══════════════════════════════════════════════════════════════ */

.main-area {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--duration-normal) var(--ease-out);
}

/* ═══════════════════════════════════════════════════════════════
   TOP BAR
   ═══════════════════════════════════════════════════════════════ */

.topbar {
  height: var(--topbar-height);
  background: var(--bg-topbar);
  backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 50;
}

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

.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-xs);
}

.sidebar-toggle svg { width: 22px; height: 22px; }

.page-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

/* Theme toggle */
.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast) var(--ease-out);
}

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

.theme-toggle svg { width: 18px; height: 18px; }

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

/* Profile in topbar */
.topbar-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 12px 5px 5px;
  border-radius: 100px;
  border: 1px solid var(--glass-border);
  background: var(--bg-card);
}

.topbar-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.topbar-name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.btn-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast);
}

.btn-icon svg { width: 16px; height: 16px; }
.btn-icon:hover { color: var(--accent-red); background: var(--accent-red-soft); }

/* ═══════════════════════════════════════════════════════════════
   CONTENT AREA
   ═══════════════════════════════════════════════════════════════ */

.content {
  flex: 1;
  padding: 28px;
  max-width: 1400px;
  width: 100%;
}

.page { display: none; }
.page.active { display: block; animation: pageIn 0.35s var(--ease-out); }

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

/* ═══════════════════════════════════════════════════════════════
   STAT CARDS
   ═══════════════════════════════════════════════════════════════ */

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(var(--glass-blur));
  transition: all var(--duration-fast) var(--ease-out);
}

.stat-card:hover {
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-card);
}

.stat-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon svg { width: 20px; height: 20px; }

.stat-icon-blue  { background: var(--accent-primary-soft); color: var(--accent-primary); }
.stat-icon-green { background: var(--accent-green-soft);   color: var(--accent-green);   }
.stat-icon-cyan  { background: var(--accent-cyan-soft);    color: var(--accent-cyan);    }
.stat-icon-purple { background: var(--accent-purple-soft); color: var(--accent-purple);  }

.stat-info { display: flex; flex-direction: column; }

.stat-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

/* ═══════════════════════════════════════════════════════════════
   FORM CARD
   ═══════════════════════════════════════════════════════════════ */

.form-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(var(--glass-blur));
  margin-bottom: 24px;
  overflow: hidden;
  transition: border-color var(--duration-normal);
}

.form-card:hover { border-color: var(--glass-border-hover); }

.form-card-header {
  padding: 16px 22px;
  border-bottom: 1px solid var(--glass-border);
}

.form-card-title {
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
}

.form-card-body { padding: 20px 22px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group-action { justify-content: flex-end; }

.form-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-control {
  background: var(--bg-input);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.88rem;
  outline: none;
  transition: all var(--duration-fast) var(--ease-out);
  width: 100%;
}

.form-control:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-glow);
}

.form-control option { background: var(--bg-card-solid); color: var(--text-primary); }
.form-control::placeholder { color: var(--text-muted); }

/* Buttons */
.btn {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), #818cf8);
  color: white;
  box-shadow: 0 2px 12px var(--accent-primary-glow);
}

.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 20px var(--accent-primary-glow); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

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

.btn-outline:hover { background: var(--accent-red-soft); color: var(--accent-red); border-color: rgba(239,68,68,0.3); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--glass-border);
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn-ghost:hover { background: var(--bg-card-hover); color: var(--text-primary); }

.btn-danger {
  background: transparent;
  color: var(--accent-red);
  border: 1px solid rgba(239,68,68,0.2);
  font-size: 0.78rem;
  padding: 6px 12px;
}

.btn-danger:hover { background: var(--accent-red-soft); }

/* ═══════════════════════════════════════════════════════════════
   SCREENER CARDS
   ═══════════════════════════════════════════════════════════════ */

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

.screener-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(var(--glass-blur));
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  animation: cardSlideIn 0.4s var(--ease-out);
}

@keyframes cardSlideIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes cardSlideOut { to { opacity: 0; transform: translateY(-12px) scale(0.97); } }

.screener-card:hover { border-color: var(--glass-border-hover); box-shadow: var(--shadow-card); }

.screener-card.has-arb {
  border-color: rgba(16, 185, 129, 0.3);
  box-shadow: 0 0 24px var(--accent-green-soft);
}

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

.card-header-left { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

.card-exchanges { display: flex; align-items: center; gap: 6px; }

.exchange-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.exchange-badge.polymarket { background: var(--accent-primary-soft); color: var(--accent-primary); }
.exchange-badge.limitless  { background: var(--accent-cyan-soft); color: var(--accent-cyan); }
.exchange-badge.predict    { background: var(--accent-yellow-soft); color: var(--accent-yellow); }

.exchange-separator { color: var(--text-muted); font-size: 0.75rem; }

.direction-tag {
  font-size: 0.65rem; font-weight: 600; padding: 2px 8px;
  border-radius: 4px; background: var(--accent-cyan-soft); color: var(--accent-cyan);
  font-family: var(--font-mono); text-transform: uppercase;
}

.threshold-tag {
  font-size: 0.68rem; font-weight: 500; color: var(--text-muted); font-family: var(--font-mono);
}

.card-header-right { display: flex; align-items: center; gap: 10px; }

.card-status { display: flex; align-items: center; gap: 6px; font-size: 0.72rem; color: var(--text-tertiary); font-family: var(--font-mono); }

.conn-indicator { width: 6px; height: 6px; border-radius: 50%; display: inline-block; }
.conn-indicator.connected   { background: var(--accent-green); box-shadow: 0 0 6px var(--accent-green-glow); }
.conn-indicator.connecting  { background: var(--accent-yellow); animation: blink 1s ease-in-out infinite; }
.conn-indicator.disconnected { background: var(--accent-red); }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

.card-status-badge {
  font-size: 0.68rem; font-weight: 600; padding: 3px 10px; border-radius: 100px;
}

.card-status-badge.initializing, .card-status-badge.resolving { background: var(--accent-yellow-soft); color: var(--accent-yellow); }
.card-status-badge.error, .card-status-badge.error_a, .card-status-badge.error_b { background: var(--accent-red-soft); color: var(--accent-red); }
.card-status-badge.live { background: var(--accent-green-soft); color: var(--accent-green); }

.card-body { padding: 20px; }

.card-title {
  font-size: 0.85rem; color: var(--text-secondary); font-weight: 400;
  max-width: 600px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* Orderbook row */
.orderbook-row { display: grid; grid-template-columns: 1fr auto 1fr; gap: 20px; margin-bottom: 14px; }

.ob-section { display: flex; flex-direction: column; gap: 6px; }

.ob-label {
  font-size: 0.7rem; font-weight: 600; color: var(--text-tertiary);
  text-transform: uppercase; letter-spacing: 0.05em; display: flex; align-items: center; gap: 6px;
}

.ob-label .tag { font-family: var(--font-mono); font-size: 0.62rem; padding: 2px 6px; border-radius: 4px; font-weight: 500; }
.ob-label .tag.yes { background: var(--accent-green-soft); color: var(--accent-green); }
.ob-label .tag.no  { background: var(--accent-red-soft); color: var(--accent-red); }

.ob-prices { display: flex; flex-direction: column; gap: 2px; }

.ob-price { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 0.88rem; }
.ob-price .price-val { font-weight: 600; min-width: 52px; }
.ob-price .price-val.yes-price { color: var(--accent-green); }
.ob-price .price-val.no-price  { color: var(--accent-red); }
.ob-price .size-val { color: var(--text-tertiary); font-size: 0.75rem; }
.ob-divider { display: flex; align-items: center; justify-content: center; color: var(--text-muted); font-size: 0.75rem; }
.ob-no-data { font-size: 0.8rem; color: var(--text-muted); font-style: italic; }

/* Spread row */
.spread-row {
  display: flex; align-items: center; justify-content: center; gap: 24px;
  padding: 12px; margin: 8px 0; background: var(--bg-stat);
  border-radius: var(--radius-sm); border: 1px solid var(--glass-border);
}

.spread-item { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 0.88rem; }
.spread-label { font-size: 0.68rem; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.04em; font-family: var(--font-body); font-weight: 500; }
.spread-value { font-weight: 600; }
.spread-value.good    { color: var(--accent-green); }
.spread-value.neutral { color: var(--text-secondary); }
.spread-value.bad     { color: var(--accent-red); }

/* Arb alert */
.arb-alert {
  margin-top: 14px; padding: 14px 18px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent-green-soft), var(--accent-cyan-soft));
  border: 1px solid rgba(16, 185, 129, 0.25); animation: arbPulse 2s ease-in-out infinite;
}

@keyframes arbPulse {
  0%, 100% { box-shadow: 0 0 8px var(--accent-green-soft); }
  50%      { box-shadow: 0 0 16px var(--accent-green-glow); }
}

.arb-alert-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }

.arb-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.72rem; font-weight: 700; color: var(--accent-green);
  text-transform: uppercase; letter-spacing: 0.05em;
}

.arb-badge::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-green); animation: pulse 1s ease-in-out infinite;
}

.arb-details { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 14px; }
.arb-stat { display: flex; flex-direction: column; gap: 2px; }
.arb-stat-label { font-size: 0.65rem; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 500; }
.arb-stat-value { font-family: var(--font-mono); font-size: 1rem; font-weight: 700; color: var(--accent-green); }
.arb-stat-value.edge-high { font-size: 1.15rem; text-shadow: 0 0 12px var(--accent-green-glow); }

.no-arb { margin-top: 14px; padding: 14px 18px; border-radius: var(--radius-sm); background: var(--bg-stat); border: 1px solid var(--glass-border); text-align: center; }
.no-arb-text { font-size: 0.8rem; color: var(--text-tertiary); }

.arb-window {
  margin-top: 8px; padding: 8px 14px; border-radius: var(--radius-xs);
  background: var(--accent-green-soft); font-size: 0.75rem; color: var(--accent-green);
  font-family: var(--font-mono); display: flex; align-items: center; gap: 6px;
}

.closed-windows { margin-top: 20px; }
.section-title { font-size: 0.78rem; font-weight: 600; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }

.window-row {
  display: flex; align-items: center; gap: 14px; padding: 6px 12px;
  border-radius: var(--radius-xs); background: var(--bg-stat); margin-bottom: 4px;
  font-size: 0.78rem; font-family: var(--font-mono);
}

.window-time     { color: var(--text-tertiary); }
.window-edge     { color: var(--accent-green); font-weight: 600; }
.window-label    { color: var(--text-secondary); }
.window-profit   { color: var(--accent-green); font-weight: 600; }
.window-duration { color: var(--text-muted); }

/* ═══════════════════════════════════════════════════════════════
   EMPTY STATE
   ═══════════════════════════════════════════════════════════════ */

.empty-state { text-align: center; padding: 48px 20px; color: var(--text-tertiary); }
.empty-icon  { margin-bottom: 14px; opacity: 0.3; }
.empty-title { font-size: 1.1rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.empty-desc  { font-size: 0.85rem; color: var(--text-tertiary); max-width: 400px; margin: 0 auto; line-height: 1.6; }



/* ═══════════════════════════════════════════════════════════════
   PROFILE PAGE
   ═══════════════════════════════════════════════════════════════ */

.profile-container { max-width: 500px; }

.profile-card {
  background: var(--bg-card); border: 1px solid var(--glass-border);
  border-radius: var(--radius-md); backdrop-filter: blur(var(--glass-blur));
  overflow: hidden;
}

.profile-header {
  display: flex; align-items: center; gap: 16px;
  padding: 28px 24px; border-bottom: 1px solid var(--glass-border);
}

.profile-avatar { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; border: 2px solid var(--glass-border); }
.profile-name   { font-size: 1.15rem; font-weight: 700; }
.profile-email  { font-size: 0.85rem; color: var(--text-tertiary); margin-top: 2px; }

.profile-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--glass-border);
}

.profile-stat {
  display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 20px 0;
  border-right: 1px solid var(--glass-border);
}

.profile-stat:last-child { border-right: none; }
.profile-stat-value { font-family: var(--font-mono); font-size: 1.2rem; font-weight: 700; }
.profile-stat-label { font-size: 0.72rem; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.04em; }

.profile-actions { padding: 20px 24px; }

/* Charts */
.profile-container { max-width: 900px; }

.profile-charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 20px;
  backdrop-filter: blur(var(--glass-blur));
}

.chart-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.chart-wrapper {
  position: relative;
  height: 220px;
}

/* ═══════════════════════════════════════════════════════════════
   MODAL / ORDERBOOK EXPANDED
   ═══════════════════════════════════════════════════════════════ */

.modal-backdrop { position: fixed; inset: 0; background: var(--bg-overlay); backdrop-filter: blur(8px); z-index: 999; animation: backdropIn 0.3s ease-out; }
@keyframes backdropIn { from { opacity: 0; } to { opacity: 1; } }

.expanded-ob-modal {
  position: fixed; top: 5vh; left: 5vw; right: 5vw; bottom: 5vh; z-index: 1000;
  background: var(--bg-card-solid); border: 1px solid var(--glass-border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); display: flex; flex-direction: column;
  animation: modalIn 0.3s var(--ease-out);
}

@keyframes modalIn { from { opacity: 0; transform: scale(0.96) translateY(20px); } to { opacity: 1; transform: scale(1) translateY(0); } }

.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; border-bottom: 1px solid var(--glass-border); }
.modal-title  { font-size: 1.05rem; font-weight: 700; }
.modal-content { display: flex; gap: 24px; padding: 24px; flex: 1; overflow-y: auto; }

.expanded-ob  { flex: 1; background: var(--bg-stat); border-radius: var(--radius-sm); padding: 22px; display: flex; flex-direction: column; }
.ob-title     { font-size: 1rem; font-weight: 600; margin-bottom: 18px; color: var(--text-secondary); text-align: center; text-transform: uppercase; letter-spacing: 0.05em; padding-bottom: 14px; border-bottom: 1px solid var(--glass-border); }
.ob-cols      { display: flex; gap: 24px; flex: 1; }
.ob-col       { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.ob-col-title { font-size: 0.8rem; text-transform: uppercase; color: var(--text-tertiary); margin-bottom: 8px; border-bottom: 1px dashed var(--glass-border); padding-bottom: 8px; }
.ob-row       { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 0.95rem; padding: 4px 6px; border-radius: var(--radius-xs); }
.ob-row:hover { background: var(--accent-primary-soft); }
.yes-list .ob-p { color: var(--accent-green); }
.no-list .ob-p  { color: var(--accent-red); }
.ob-s { color: var(--text-tertiary); }

/* ═══════════════════════════════════════════════════════════════
   LOGIN OVERLAY
   ═══════════════════════════════════════════════════════════════ */

.login-overlay {
  position: fixed; inset: 0; z-index: 2000;
  display: flex; align-items: flex-start; justify-content: center;
  background: var(--bg-base);
  overflow-y: auto;
}

[data-theme="dark"] .login-overlay {
  background: radial-gradient(ellipse at 50% 30%, rgba(99, 102, 241, 0.08), transparent 60%),
              radial-gradient(ellipse at 80% 80%, rgba(6, 182, 212, 0.05), transparent 50%),
              var(--bg-base);
}

[data-theme="light"] .login-overlay {
  background: radial-gradient(ellipse at 50% 30%, rgba(79, 70, 229, 0.06), transparent 60%),
              var(--bg-base);
}

.landing-shell {
  width: min(1280px, calc(100% - 40px));
  padding: 28px 0 40px;
}

.landing-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px;
  margin-bottom: 24px;
  background: rgba(10, 12, 18, 0.45);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  backdrop-filter: blur(18px);
  position: sticky;
  top: 18px;
  z-index: 3;
}

[data-theme="light"] .landing-topbar {
  background: rgba(255, 255, 255, 0.78);
}

.landing-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.landing-brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, #0284c7, #22c55e 70%, #f59e0b);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 10px 24px rgba(2, 132, 199, 0.22);
}

.landing-brand-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
}

.landing-brand-tag {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.landing-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.landing-nav a,
.landing-scroll-link,
.landing-nav-cta {
  text-decoration: none;
}

.landing-nav a,
.landing-scroll-link {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-family: var(--font-body);
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out);
}

.landing-nav a:hover,
.landing-scroll-link:hover {
  color: var(--text-primary);
}

.landing-nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, #0f766e, #0284c7);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: 0 12px 28px rgba(2, 132, 199, 0.2);
}

.landing-main {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero-section,
.landing-section {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 28px;
  backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow-card);
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.85fr);
  gap: 24px;
  padding: 32px;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(2, 132, 199, 0.18), transparent 34%),
    radial-gradient(circle at 80% 20%, rgba(34, 197, 94, 0.12), transparent 30%),
    linear-gradient(180deg, rgba(255,255,255,0.02), transparent 40%);
  pointer-events: none;
}

.hero-copy,
.signup-panel,
.landing-section > * {
  position: relative;
  z-index: 1;
}

.hero-copy {
  padding-right: 12px;
}

.hero-kicker,
.section-eyebrow,
.signup-chip,
.feature-index,
.preview-label {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(2, 132, 199, 0.12);
  color: #38bdf8;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-title,
.section-heading h2,
.preview-copy h3,
.signup-title {
  font-family: var(--font-display);
  letter-spacing: -0.04em;
}

.hero-title {
  max-width: 12ch;
  font-size: clamp(2.7rem, 5vw, 4.7rem);
  line-height: 0.96;
  margin: 16px 0;
}

.hero-description,
.section-heading p,
.preview-copy p,
.signup-description {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

.hero-description {
  max-width: 640px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 22px;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 16px;
  text-decoration: none;
  font-weight: 700;
  font-family: var(--font-body);
  border: none;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}

.hero-btn:hover {
  transform: translateY(-1px);
}

.hero-btn-primary {
  background: linear-gradient(135deg, #059669, #0284c7);
  color: #fff;
  box-shadow: 0 16px 32px rgba(2, 132, 199, 0.2);
}

.hero-btn-secondary {
  color: var(--text-primary);
  border: 1px solid var(--glass-border-hover);
  background: rgba(255, 255, 255, 0.03);
}

.hero-points {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 24px;
}

.hero-point {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
}

.hero-point-icon {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: #fbbf24;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.hero-metric {
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border: 1px solid var(--glass-border);
}

.hero-metric-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.hero-metric-label {
  color: var(--text-tertiary);
  font-size: 0.82rem;
}

.signup-panel {
  position: relative;
  padding: 26px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(11, 16, 28, 0.94), rgba(10, 14, 23, 0.82));
  border: 1px solid rgba(56, 189, 248, 0.18);
  box-shadow: 0 24px 48px rgba(2, 132, 199, 0.16);
}

[data-theme="light"] .signup-panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(245, 247, 250, 0.95));
}

.signup-panel-glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(circle at top, rgba(56, 189, 248, 0.2), transparent 34%),
    radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.14), transparent 36%);
  pointer-events: none;
}

.signup-title {
  font-size: 2rem;
  line-height: 1.02;
  margin: 16px 0 12px;
}

.signup-checklist {
  display: grid;
  gap: 10px;
  margin: 22px 0;
}

.signup-check {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
}

.signup-check::before {
  content: '•';
  color: #34d399;
  margin-right: 8px;
}

.signup-button-wrap {
  display: flex;
  justify-content: center;
  padding: 8px 0 2px;
}

.signup-note {
  margin-top: 16px;
  color: var(--text-tertiary);
  font-size: 0.82rem;
  text-align: center;
}

.landing-section {
  padding: 28px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 22px;
}

.section-heading h2 {
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  line-height: 1;
  margin: 14px 0 12px;
}

.section-heading-inline {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 440px);
  gap: 20px;
  align-items: end;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.preview-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: 22px;
  overflow: hidden;
}

.feature-card {
  padding: 22px;
}

.feature-card h3,
.preview-copy h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1.08;
  margin: 16px 0 10px;
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.preview-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.95fr;
  gap: 18px;
}

.preview-card {
  display: flex;
  flex-direction: column;
}

.preview-card-large {
  min-height: 100%;
}

.preview-copy {
  padding: 22px 22px 0;
}

.preview-image {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 18px;
  border-top: 1px solid var(--glass-border);
}

.landing-band {
  background:
    radial-gradient(circle at top right, rgba(245, 158, 11, 0.08), transparent 28%),
    var(--bg-card);
}

.benefit-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.benefit-pill {
  padding: 12px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
}

/* ═══════════════════════════════════════════════════════════════
   SCROLLBAR
   ═══════════════════════════════════════════════════════════════ */

::-webkit-scrollbar       { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .hero-section,
  .preview-grid,
  .feature-grid,
  .section-heading-inline {
    grid-template-columns: 1fr;
  }

  .hero-title {
    max-width: 14ch;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-width);
  }

  .sidebar.open { transform: translateX(0); }

  .main-area { margin-left: 0; }
  .sidebar-toggle { display: flex; }

  .stats-row { grid-template-columns: 1fr 1fr; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .orderbook-row { grid-template-columns: 1fr; }
  .ob-divider { display: none; }
  .topbar-name { display: none; }

  .landing-shell {
    width: min(100%, calc(100% - 20px));
    padding-top: 10px;
  }

  .landing-topbar {
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
    top: 10px;
    padding: 16px;
  }

  .landing-nav {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero-section,
  .landing-section {
    padding: 20px;
    border-radius: 22px;
  }

  .hero-title {
    font-size: 2.5rem;
    max-width: none;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .signup-title {
    font-size: 1.7rem;
  }

  .preview-copy {
    padding: 18px 18px 0;
  }
}

/* ═══════════════════════════════════════════════════════════════
   INPUT SHAKE ANIMATION
   ═══════════════════════════════════════════════════════════════ */

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}