:root {
    --bg: #0f172a;
    --panel: #111827;
    --card: #1f2937;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --accent: #38bdf8;
    --accent-2: #22c55e;
    --danger: #ef4444;
    --border: #334155;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    background: linear-gradient(180deg, #0b1220 0%, #0f172a 100%);
    color: var(--text);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

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

.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.card, .section, fieldset {
    background: rgba(17, 24, 39, 0.9);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

h1, h2, h3 {
    margin-top: 0;
}

p {
    margin: 8px 0 14px;
    color: var(--text);
}

small, .muted {
    color: var(--muted);
}

button {
    border: 0;
    border-radius: 12px;
    padding: 12px 16px;
    background: var(--accent);
    color: white;
    cursor: pointer;
    font-weight: 700;
}

button:hover {
    filter: brightness(1.05);
}

button:active {
    transform: translateY(1px);
}

input[type="text"],
input[type="number"],
input[type="password"],
select {
    width: 100%;
    background: #0b1220;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
}

label.strategy-row {
    display: grid;
    grid-template-columns: 24px 1fr 80px;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 10px;
    background: rgba(15, 23, 42, 0.7);
}

label.strategy-row span {
    color: var(--text);
}

#running {
    font-size: 20px;
    font-weight: 800;
}

#balance, #daily_pnl, #drawdown, #positions {
    font-size: 18px;
    font-weight: 700;
}

@media (min-width: 860px) {
    .grid {
        grid-template-columns: 1fr 1fr;
    }
}