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

body {
    background: #0b1424;
    color: #e2e8f0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    padding: 20px;
    min-height: 100vh;
    background-image:
        radial-gradient(circle at 10% 20%, rgba(77,163,255,0.06) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(0,255,136,0.04) 0%, transparent 50%);
}

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

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    padding: 20px 24px;
    background: rgba(17,28,45,0.85);
    border: 1px solid #1d3557;
    border-radius: 16px;
    margin-bottom: 24px;
}

.brand h1 {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #4da3ff, #00ff88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.brand h1 i { color: #4da3ff; -webkit-text-fill-color: #4da3ff; }

.brand .sub {
    font-size: 0.75rem;
    color: #94a3b8;
    background: #1a263b;
    padding: 2px 10px;
    border-radius: 12px;
}

.status-group { display: flex; gap: 12px; align-items: center; }

.status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

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

.status.online {
    background: rgba(0,255,136,0.15);
    color: #00ff88;
    border: 1px solid #00ff8866;
}
.status.online .dot {
    background: #00ff88;
    box-shadow: 0 0 8px #00ff88;
    animation: pulse 1.6s ease-in-out infinite;
}

.status.offline {
    background: rgba(255,82,82,0.15);
    color: #ff5252;
    border: 1px solid #ff525266;
}
.status.offline .dot { background: #ff5252; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.market-badge {
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    background: #546e7a;
    color: #fff;
}
.market-badge.open { background: #00ff88; color: #001f0f; }
.market-badge.closed { background: #ffd600; color: #1a1a00; }

.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat {
    background: rgba(17,28,45,0.85);
    border: 1px solid #1d3557;
    border-radius: 14px;
    padding: 18px 16px;
    text-align: center;
}

.stat .label {
    display: block;
    font-size: 0.7rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 8px;
}

.stat .value {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: #e8f1ff;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.card {
    background: rgba(17,28,45,0.9);
    border: 1px solid #1d3557;
    border-radius: 14px;
    padding: 18px;
    transition: transform 0.2s, border-color 0.2s;
}

.card:hover { transform: translateY(-2px); border-color: #4da3ff44; }

.card.active { border-color: #4da3ff88; }

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

.card h3 {
    font-size: 1rem;
    font-weight: 800;
    color: #4da3ff;
}

.side-pill {
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.5px;
}
.side-pill.ce { background: #00ff88; color: #001f0f; }
.side-pill.pe { background: #ff5252; color: #fff; }
.side-pill.none { background: #546e7a; color: #fff; }

.card .action {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 12px;
    padding: 4px 10px;
    border-radius: 8px;
    display: inline-block;
}
.card .action.buy-ce { background: rgba(0,255,136,0.15); color: #00ff88; }
.card .action.buy-pe { background: rgba(255,82,82,0.15); color: #ff5252; }
.card .action.hold { background: rgba(255,214,0,0.15); color: #ffd600; }
.card .action.waiting { background: rgba(84,110,122,0.3); color: #b0bec5; }
.card .action.exit { background: rgba(255,152,0,0.15); color: #ff9800; }

.card .row {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #94a3b8;
    padding: 4px 0;
    border-bottom: 1px solid #1d355755;
}
.card .row:last-child { border-bottom: none; }
.card .row strong { color: #e8f1ff; }

.card .pnl {
    font-size: 1.1rem;
    font-weight: 800;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid #1d3557;
    text-align: right;
}
.card .pnl.positive { color: #00ff88; }
.card .pnl.negative { color: #ff5252; }
.card .pnl.zero { color: #6c7a8f; }

.loading {
    color: #94a3b8;
    padding: 40px;
    text-align: center;
    grid-column: 1 / -1;
    font-size: 0.9rem;
}

footer {
    display: flex;
    justify-content: space-between;
    padding: 16px 4px;
    font-size: 0.7rem;
    color: #64748b;
    border-top: 1px solid #1d3557;
    flex-wrap: wrap;
    gap: 8px;
}

@media (max-width: 640px) {
    body { padding: 12px; }
    header { flex-direction: column; align-items: stretch; }
    .stats-row { grid-template-columns: 1fr 1fr; }
    .brand h1 { font-size: 1.2rem; }
}