:root {
    --bg: #0f1117;
    --surface: #1a1d27;
    --border: #2a2d3e;
    --text: #e2e8f0;
    --muted: #8892a4;
    --accent: #6366f1;
    --green: #22c55e;
    --red: #ef4444;
    --yellow: #f59e0b;
    --radius: 8px;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 15px;
    line-height: 1.6;
}

.nav {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    display: flex;
    align-items: center;
    height: 56px;
    gap: 24px;
}

.nav-brand {
    font-weight: 700;
    font-size: 17px;
    color: var(--text);
    text-decoration: none;
}

.nav a {
    color: var(--muted);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.nav a:hover, .nav a.active { color: var(--text); }

.container { max-width: 1100px; margin: 0 auto; padding: 32px 24px; }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 16px;
}

.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px; border-radius: var(--radius);
    font-size: 14px; font-weight: 500; cursor: pointer;
    border: none; transition: opacity 0.2s;
}

.btn:hover { opacity: 0.85; }
.btn-primary { background: var(--accent); color: white; }
.btn-danger { background: var(--red); color: white; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.badge {
    display: inline-block;
    padding: 2px 10px; border-radius: 99px;
    font-size: 12px; font-weight: 600; text-transform: uppercase;
}

.badge-bullish { background: rgba(34,197,94,0.15); color: var(--green); }
.badge-bearish { background: rgba(239,68,68,0.15); color: var(--red); }
.badge-neutral { background: rgba(245,158,11,0.15); color: var(--yellow); }
.badge-completed { background: rgba(34,197,94,0.1); color: var(--green); }
.badge-failed { background: rgba(239,68,68,0.1); color: var(--red); }
.badge-pending, .badge-running { background: rgba(245,158,11,0.1); color: var(--yellow); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font-weight: 500; padding: 8px 12px; border-bottom: 1px solid var(--border); }
td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
tr:hover td { background: rgba(255,255,255,0.02); cursor: pointer; }

.markdown-body h1 { font-size: 22px; margin: 24px 0 12px; }
.markdown-body h2 { font-size: 18px; margin: 20px 0 10px; color: var(--accent); }
.markdown-body h3 { font-size: 15px; margin: 16px 0 8px; }
.markdown-body p { margin-bottom: 12px; }
.markdown-body ul, .markdown-body ol { margin: 8px 0 12px 20px; }
.markdown-body li { margin-bottom: 4px; }
.markdown-body strong { color: var(--text); }
.markdown-body code { background: rgba(255,255,255,0.06); padding: 2px 5px; border-radius: 4px; font-size: 13px; }
.markdown-body pre { background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; overflow-x: auto; margin-bottom: 16px; }

.spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.toast {
    position: fixed; bottom: 24px; right: 24px;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 12px 20px; font-size: 14px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.5); z-index: 999;
    animation: slideIn 0.2s ease;
}
@keyframes slideIn { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .grid-2 { grid-template-columns: 1fr; } }

.page-title { font-size: 24px; font-weight: 700; margin-bottom: 24px; }
.label { font-size: 13px; color: var(--muted); margin-bottom: 4px; }

input[type="text"], input[type="number"], select, textarea {
    background: var(--bg); border: 1px solid var(--border); color: var(--text);
    border-radius: var(--radius); padding: 8px 12px; font-size: 14px;
    width: 100%; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }

.toggle { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.toggle input { width: auto; cursor: pointer; }