:root {
    --bg: #06090e;
    --card: #0e131f;
    --card-hover: #162032;
    --border: #1e2c42;
    --cyan: #38bdf8;
    --lemon: #FFF000;
    --green: #10b981;
    --red: #ef4444;
    --text: #f8fafc;
    --muted: #94a3b8;
}
* { box-sizing: border-box; margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Tahoma, Arial, sans-serif; }
body { background: var(--bg); color: var(--text); min-height: 100vh; display: flex; flex-direction: column; }

header {
    background: rgba(14, 19, 31, 0.94);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0.8rem 1.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-icon { font-size: 1.6rem; }
.brand-title { font-weight: 900; font-size: 1.15rem; color: #fff; }
.brand-sub { font-size: 0.75rem; color: var(--cyan); }

.top-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
select, button {
    background: #1e293b;
    color: var(--text);
    border: 1px solid var(--border);
    padding: 0.45rem 0.8rem;
    border-radius: 8px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}
select:focus, button:hover { border-color: var(--cyan); }
.btn-primary { background: linear-gradient(135deg, #0284c7, #0369a1); color: #fff; font-weight: bold; border: none; }
.btn-green { background: linear-gradient(135deg, #10b981, #059669); color: #fff; font-weight: bold; border: none; }

.nav-tabs {
    display: flex;
    gap: 6px;
    padding: 0.6rem 1.2rem;
    background: #090d16;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}
.nav-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--muted);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.88rem;
    cursor: pointer;
    white-space: nowrap;
}
.nav-btn.active {
    background: #1e293b;
    color: var(--cyan);
    border-color: var(--cyan);
    font-weight: bold;
}

main { flex: 1; padding: 1.2rem; max-width: 1400px; margin: 0 auto; width: 100%; }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.2s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 1.2rem;
}
.metric-card {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 1rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.metric-card.accent { border-color: var(--cyan); }
.metric-icon { font-size: 1.8rem; }
.metric-label { font-size: 0.78rem; color: var(--muted); margin-bottom: 4px; }
.metric-val { font-size: 1.2rem; font-weight: bold; color: #fff; }

.signals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 14px;
}
.signal-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.2rem;
    transition: transform 0.2s, border-color 0.2s;
}
.signal-card:hover { transform: translateY(-2px); border-color: var(--cyan); background: var(--card-hover); }
.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.8rem; }
.sym-title { font-size: 1.15rem; font-weight: 900; }
.sym-price { font-size: 1.15rem; font-weight: bold; color: var(--cyan); }

.side-badge {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 900;
    display: inline-block;
}
.side-long { background: rgba(16, 185, 129, 0.2); color: var(--green); border: 1px solid var(--green); }
.side-short { background: rgba(239, 68, 68, 0.2); color: var(--red); border: 1px solid var(--red); }
.side-wait { background: rgba(148, 163, 184, 0.15); color: var(--muted); border: 1px solid var(--border); }

.indicators-row { display: flex; gap: 8px; margin: 0.8rem 0; font-size: 0.82rem; color: var(--muted); }
.tag { background: #161f2e; padding: 3px 8px; border-radius: 6px; }

.why-box {
    background: #090d14;
    padding: 0.6rem 0.8rem;
    border-radius: 8px;
    font-size: 0.8rem;
    color: #cbd5e1;
    margin: 0.8rem 0;
    line-height: 1.5;
    border-right: 3px solid var(--cyan);
}

.action-row { display: flex; gap: 8px; margin-top: 0.8rem; }
.btn-trade { flex: 1; padding: 0.6rem; border-radius: 8px; font-weight: bold; border: none; }

.table-wrap { overflow-x: auto; background: var(--card); border-radius: 12px; border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; text-align: right; font-size: 0.88rem; }
th, td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); }
th { background: #0a0e17; color: var(--muted); }

footer {
    text-align: center;
    padding: 1.2rem;
    font-size: 0.8rem;
    color: var(--muted);
    border-top: 1px solid var(--border);
    background: #080c14;
}