* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', sans-serif; background: #0f1923; color: #e0e0e0; min-height: 100vh; }
a { color: #4fc3f7; text-decoration: none; }
a:hover { text-decoration: underline; }

.navbar { background: #1a2332; padding: 10px 20px; display: flex; align-items: center; gap: 20px; border-bottom: 1px solid #2a3a4a; }
.navbar .logo { font-size: 1.3em; font-weight: bold; color: #ffd700; }
.navbar a { color: #aaa; padding: 6px 12px; border-radius: 4px; }
.navbar a:hover, .navbar a.active { color: #fff; background: #2a3a4a; text-decoration: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 20px; }

.card { background: #1a2332; border-radius: 8px; padding: 20px; margin-bottom: 16px; border: 1px solid #2a3a4a; }
.card h2 { color: #ffd700; margin-bottom: 12px; font-size: 1.1em; }

.grid { display: grid; gap: 12px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.grid-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }

.stat-box { background: #0f1923; border-radius: 6px; padding: 12px; text-align: center; }
.stat-box .label { font-size: 0.8em; color: #888; }
.stat-box .value { font-size: 1.4em; font-weight: bold; margin-top: 4px; }

.btn { padding: 8px 16px; border: none; border-radius: 4px; cursor: pointer; font-size: 0.9em; }
.btn-primary { background: #ffd700; color: #000; font-weight: bold; }
.btn-primary:hover { background: #ffed4a; }
.btn-danger { background: #ff4444; color: #fff; }
.btn-danger:hover { background: #ff6666; }
.btn-success { background: #00c853; color: #fff; }
.btn-success:hover { background: #00e676; }
.btn-sm { padding: 4px 10px; font-size: 0.8em; }

input, select { background: #0f1923; color: #e0e0e0; border: 1px solid #2a3a4a; padding: 8px 12px; border-radius: 4px; font-size: 0.9em; }
input:focus, select:focus { outline: none; border-color: #ffd700; }

.signal-card { background: #1a2332; border-radius: 8px; padding: 16px; margin-bottom: 12px; border-left: 4px solid #888; }
.signal-card.strong-buy { border-left-color: #00c853; }
.signal-card.buy { border-left-color: #ffd700; }
.signal-card.hold { border-left-color: #888; }
.signal-card.sell { border-left-color: #ff9800; }
.signal-card.strong-sell { border-left-color: #ff4444; }

.signal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.signal-symbol { font-size: 1.2em; font-weight: bold; }
.signal-action { padding: 4px 10px; border-radius: 12px; font-size: 0.8em; font-weight: bold; }
.signal-action.strong-buy { background: #00c853; color: #fff; }
.signal-action.buy { background: #ffd700; color: #000; }
.signal-action.hold { background: #555; color: #fff; }
.signal-action.sell { background: #ff9800; color: #000; }
.signal-action.strong-sell { background: #ff4444; color: #fff; }

.signal-details { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 10px 0; font-size: 0.85em; }
.signal-details .item { background: #0f1923; padding: 6px 8px; border-radius: 4px; }
.signal-details .item .lbl { color: #888; font-size: 0.8em; }

.reasons-list { font-size: 0.85em; color: #aaa; margin-top: 8px; }
.reasons-list li { margin-bottom: 3px; }
.warning { color: #ff9800; }

.pnl-positive { color: #00c853; }
.pnl-negative { color: #ff4444; }

table { width: 100%; border-collapse: collapse; font-size: 0.9em; }
th { background: #0f1923; padding: 8px; text-align: left; color: #888; }
td { padding: 8px; border-bottom: 1px solid #2a3a4a; }

.filter-bar { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.filter-bar button { background: #2a3a4a; color: #e0e0e0; border: none; padding: 6px 14px; border-radius: 4px; cursor: pointer; }
.filter-bar button.active { background: #ffd700; color: #000; font-weight: bold; }

.loading { text-align: center; padding: 40px; color: #888; }

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
    .signal-details { grid-template-columns: 1fr 1fr; }
    .navbar { flex-wrap: wrap; }
}