:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2332;
  --bg-hover: #243044;
  --bg-terminal: #0d1117;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --green: #22c55e;
  --green-dim: rgba(34, 197, 94, 0.15);
  --red: #ef4444;
  --red-dim: rgba(239, 68, 68, 0.15);
  --yellow: #eab308;
  --yellow-dim: rgba(234, 179, 8, 0.15);
  --orange: #f97316;
  --purple: #a855f7;
  --border: #1e293b;
  --radius: 8px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
}

.app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 20px;
}

/* EA Version Warning */
.ea-warning {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  background: var(--red); color: white; padding: 10px 20px;
  text-align: center; font-weight: 700; font-size: 0.85rem;
}

/* Daily Loss Warning */
.daily-loss-warning {
  position: fixed; top: 0; left: 0; right: 0; z-index: 899;
  background: #7f1d1d; color: #fca5a5; padding: 12px 20px;
  text-align: center; font-weight: 700; font-size: 0.9rem;
  border-bottom: 2px solid var(--red);
}

/* Login */
.login-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.8); z-index: 1000;
  display: flex; align-items: center; justify-content: center;
}
.login-box {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 40px; text-align: center;
  max-width: 360px; width: 90%;
}
.login-box h2 { color: var(--accent); letter-spacing: 3px; margin-bottom: 16px; }
.login-box p { color: var(--text-secondary); margin-bottom: 20px; font-size: 0.9rem; }
.otp-input {
  width: 100%; padding: 16px; text-align: center; font-size: 1.8rem;
  letter-spacing: 12px; font-weight: 700; border: 2px solid var(--border);
  border-radius: var(--radius); background: var(--bg-secondary);
  color: var(--text-primary);
}
.otp-input:focus { outline: none; border-color: var(--accent); }

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.header-left { display: flex; align-items: center; gap: 12px; }
.header h1 { font-size: 1.4rem; font-weight: 700; letter-spacing: 2px; color: var(--accent); }
.select-account {
  padding: 4px 10px; border: 1px solid var(--accent); border-radius: var(--radius);
  background: var(--bg-card); color: var(--accent); font-size: 0.8rem;
  font-weight: 600; cursor: pointer;
}
.select-account:focus { outline: none; }

.badge { background: var(--accent); color: white; padding: 2px 8px; border-radius: 12px; font-size: 0.65rem; font-weight: 600; text-transform: uppercase; }
.header-right { display: flex; align-items: center; gap: 10px; }

.status {
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.status::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status.connected { color: var(--green); }
.status.connected::before { background: var(--green); }
.status.disconnected { color: var(--red); }
.status.disconnected::before { background: var(--red); }
.status.simulation { color: var(--yellow); }
.status.simulation::before { background: var(--yellow); }

/* Buttons */
.btn {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.2s;
}
.btn:hover { background: var(--bg-hover); }
.btn-sm { padding: 4px 12px; font-size: 0.75rem; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); }

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.stat-label { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.stat-value { font-size: 1.6rem; font-weight: 700; }

/* Tabs */
.tabs {
  display: flex;
  gap: 2px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.tab {
  padding: 10px 18px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}
.tab:hover { color: var(--text-primary); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* Terminal */
.terminal {
  background: var(--bg-terminal);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  height: 500px;
  overflow-y: auto;
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  font-size: 0.78rem;
  line-height: 1.6;
}

.terminal::-webkit-scrollbar { width: 6px; }
.terminal::-webkit-scrollbar-track { background: var(--bg-terminal); }
.terminal::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.terminal-line {
  padding: 1px 0;
  white-space: pre-wrap;
  word-break: break-all;
}

.terminal-line .time { color: var(--text-muted); }
.terminal-line .category { font-weight: 600; min-width: 80px; display: inline-block; }

.terminal-line.info .category { color: var(--accent); }
.terminal-line.trade .category { color: var(--green); }
.terminal-line.warn .category { color: var(--yellow); }
.terminal-line.error .category { color: var(--red); }
.terminal-line.trade { color: var(--green); }
.terminal-line.error { color: var(--red); }

.terminal-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.terminal-controls label { display: flex; align-items: center; gap: 4px; cursor: pointer; }

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.section-header h2 { font-size: 1rem; }

/* Positions */
.positions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 12px;
}

.position-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.position-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.position-symbol { font-size: 1.2rem; font-weight: 700; }

.position-pnl {
  font-size: 1.3rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: var(--radius);
}

.pnl-positive { background: var(--green-dim); color: var(--green); }
.pnl-negative { background: var(--red-dim); color: var(--red); }

.position-details {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  font-size: 0.82rem;
}

.position-detail { }
.position-detail-label { color: var(--text-muted); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.5px; }
.position-detail-value { font-weight: 600; margin-top: 2px; }

.position-direction {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
}

/* Signals */
.signals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
}

.signal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.signal-card:hover { border-color: var(--accent); }

.signal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.signal-symbol { font-size: 1.05rem; font-weight: 700; }
.signal-prob { font-size: 1.3rem; font-weight: 800; padding: 4px 10px; border-radius: var(--radius); }
.prob-high { background: var(--green-dim); color: var(--green); }
.prob-mid { background: var(--yellow-dim); color: var(--yellow); }
.prob-low { background: var(--red-dim); color: var(--red); }

.signal-direction { display: inline-block; padding: 2px 10px; border-radius: 4px; font-size: 0.75rem; font-weight: 700; margin-bottom: 8px; }
.dir-buy { background: var(--green-dim); color: var(--green); }
.dir-sell { background: var(--red-dim); color: var(--red); }
.dir-none { background: var(--bg-hover); color: var(--text-muted); }

.signal-details { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin: 10px 0; font-size: 0.82rem; }
.signal-detail-label { color: var(--text-muted); }
.signal-detail-value { text-align: right; font-weight: 600; }

.signal-reason { font-size: 0.78rem; color: var(--text-secondary); border-top: 1px solid var(--border); padding-top: 10px; margin-top: 8px; line-height: 1.5; }
.signal-account { font-size: 0.65rem; color: var(--accent); font-weight: 400; margin-left: 4px; }
.signal-strategy { font-size: 0.68rem; color: var(--accent); margin-top: 6px; text-transform: uppercase; letter-spacing: 1px; }
.signal-executed { margin-top: 8px; padding: 4px 8px; border-radius: 4px; font-size: 0.72rem; font-weight: 600; text-align: center; }
.executed-yes { background: var(--green-dim); color: var(--green); }
.executed-no { background: var(--bg-hover); color: var(--text-muted); }

/* Table */
.table-container { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.data-table th { text-align: left; padding: 10px; border-bottom: 1px solid var(--border); color: var(--text-muted); font-weight: 600; text-transform: uppercase; font-size: 0.68rem; letter-spacing: 1px; }
.data-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); }
.data-table tr:hover { background: var(--bg-hover); }

/* Config */
.config-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.config-form { }
.config-info { }
.config-info h3 { font-size: 0.9rem; margin-bottom: 8px; margin-top: 16px; color: var(--text-secondary); }
.config-info h3:first-child { margin-top: 0; }

.info-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  font-size: 0.82rem;
  line-height: 1.8;
}
.info-box ul { padding-left: 20px; }
.info-box li { color: var(--text-secondary); }
.info-box .mt { margin-top: 8px; color: var(--text-muted); font-size: 0.75rem; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 4px; font-weight: 600; font-size: 0.85rem; }
.form-group input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.85rem;
}
.form-group input:focus { outline: none; border-color: var(--accent); }
.form-group small { display: block; margin-top: 3px; color: var(--text-muted); font-size: 0.72rem; }

/* Symbol Stats */
.symbol-stats { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); }
.symbol-stats h2 { margin-bottom: 12px; font-size: 1rem; }
.symbols-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.symbol-stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; }
.symbol-stat-card h3 { font-size: 0.95rem; margin-bottom: 6px; color: var(--accent); }
.symbol-stat-card .detail { display: flex; justify-content: space-between; font-size: 0.78rem; margin-bottom: 3px; }
.symbol-stat-card .detail span:first-child { color: var(--text-muted); }

/* Mode toggle */
.mode-toggle { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; }
.switch { position: relative; display: inline-block; width: 40px; height: 22px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background: var(--green); border-radius: 22px; transition: 0.3s; }
.slider:before { content: ''; position: absolute; height: 16px; width: 16px; left: 3px; bottom: 3px; background: white; border-radius: 50%; transition: 0.3s; }
.switch input:checked + .slider { background: var(--yellow); }
.switch input:checked + .slider:before { transform: translateX(18px); }

.schedule-info { font-size: 0.7rem; color: var(--yellow); max-width: 140px; line-height: 1.2; }

.select-sm { padding: 4px 8px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card); color: var(--text-primary); font-size: 0.8rem; cursor: pointer; }
.select-sm:focus { outline: none; border-color: var(--accent); }

.mode-indicator { font-size: 0.75rem; font-weight: 700; padding: 4px 12px; border-radius: 12px; }
.mode-indicator.auto { background: var(--green-dim); color: var(--green); }
.mode-indicator.manual { background: var(--yellow-dim); color: var(--yellow); }

/* Sensitivity control */
.sensitivity-control { display: flex; align-items: center; gap: 8px; }
.btn-round { width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--border); background: var(--bg-hover); color: var(--text-primary); cursor: pointer; font-size: 1rem; font-weight: 700; display: flex; align-items: center; justify-content: center; transition: 0.2s; }
.btn-round:hover { border-color: var(--accent); background: var(--accent); color: white; }

/* Tab badge */
.tab-badge { background: var(--red); color: white; font-size: 0.65rem; padding: 1px 6px; border-radius: 10px; margin-left: 4px; }

/* Pending trades */
.pending-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: 12px; }
.pending-card { background: var(--bg-card); border: 2px solid var(--yellow); border-radius: var(--radius); padding: 16px; }
.pending-actions { display: flex; gap: 8px; margin-top: 12px; }
.btn-approve { background: var(--green); border: none; color: white; padding: 8px 20px; border-radius: var(--radius); cursor: pointer; font-weight: 700; font-size: 0.85rem; }
.btn-approve:hover { opacity: 0.9; }
.btn-reject { background: var(--bg-hover); border: 1px solid var(--border); color: var(--text-muted); padding: 8px 20px; border-radius: var(--radius); cursor: pointer; font-size: 0.85rem; }
.btn-reject:hover { border-color: var(--red); color: var(--red); }

/* P&L */
.pnl-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-bottom: 20px; }
.pnl-sections { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.pnl-sections h3 { font-size: 0.9rem; margin-bottom: 10px; color: var(--text-secondary); }
.pnl-symbol-list, .pnl-day-list { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; }
.pnl-row { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--border); font-size: 0.82rem; }
.pnl-row:last-child { border-bottom: none; }
.pnl-row .label { color: var(--text-secondary); }
.pnl-row .value { font-weight: 700; }
.pnl-row .value.pos { color: var(--green); }
.pnl-row .value.neg { color: var(--red); }

/* Position close button */
.btn-close-pos { background: var(--red-dim); border: 1px solid var(--red); color: var(--red); padding: 6px 16px; border-radius: var(--radius); cursor: pointer; font-size: 0.8rem; font-weight: 600; margin-top: 10px; }
.btn-close-pos:hover { background: var(--red); color: white; }

/* Cost Monitor */
.cost-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.cost-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }

.cost-alert {
  background: var(--red-dim);
  border: 1px solid var(--red);
  color: var(--red);
  padding: 12px 20px;
  border-radius: var(--radius);
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.cost-progress-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  height: 24px;
  overflow: hidden;
  margin-bottom: 12px;
}

.cost-progress-bar {
  height: 100%;
  border-radius: var(--radius);
  transition: width 0.5s, background 0.5s;
  background: var(--green);
}

.cost-progress-bar.warn { background: var(--yellow); }
.cost-progress-bar.danger { background: var(--red); }

.cost-tokens {
  display: flex;
  gap: 24px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.empty-state { text-align: center; padding: 50px 20px; color: var(--text-muted); font-size: 0.85rem; grid-column: 1 / -1; }

/* Responsive */
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .signals-grid, .positions-grid { grid-template-columns: 1fr; }
  .config-layout { grid-template-columns: 1fr; }
  .header { flex-direction: column; gap: 10px; }
  .terminal { height: 400px; }
}