:root {
    --bg: #0f172a;
    --panel: #1e293b;
    --text: #f1f5f9;
    --muted: #94a3b8;
    --accent: #60a5fa;
    --border: #334155;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    padding: 24px;
}

.container {
    max-width: 980px;
    margin: 0 auto;
    display: grid;
    gap: 16px;
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px;
}

h1,
h2 {
    margin: 0 0 8px;
}

p {
    color: var(--muted);
    margin-top: 0;
}

.meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 0.92rem;
}

.home-link {
    color: var(--accent);
    text-decoration: none;
}

.home-link:hover {
    text-decoration: underline;
}

.controls {
    display: grid;
    gap: 10px;
}

input {
    width: 180px;
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #0b1220;
    color: var(--text);
}

.btn {
    width: fit-content;
    border: none;
    border-radius: 8px;
    padding: 10px 14px;
    font-weight: 600;
    background: var(--accent);
    color: #0b1220;
    cursor: pointer;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.status {
    margin: 0;
}

pre {
    margin: 0;
    white-space: pre-wrap;
    background: #0b1220;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    max-height: 420px;
    overflow: auto;
    color: #dbeafe;
}