:root {
    --bg: #0f172a;
    --panel: #111827;
    --text: #e5e7eb;
    --accent: #60a5fa;
    --muted: #9ca3af;
}

* {
    box-sizing: border-box
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu;
    background: var(--bg);
    color: var(--text)
}

header {
    padding: 16px 20px;
    border-bottom: 1px solid #1f2937;
    display: flex;
    align-items: center;
    gap: 16px
}

header h1 {
    font-size: 18px;
    margin: 0
}

main {
    max-width: 980px;
    margin: 0 auto;
    padding: 24px
}

.card {
    background: var(--panel);
    border: 1px solid #1f2937;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, .2)
}

.buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 16px
}

button {
    background: #1f2937;
    color: var(--text);
    border: 1px solid #374151;
    padding: 10px 14px;
    border-radius: 10px;
    cursor: pointer
}

button:hover {
    border-color: var(--accent);
    color: #fff
}

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 100px;
    font-size: 12px;
    background: #0b1220;
    border: 1px solid #1f2937;
    color: var(--muted)
}

.small {
    font-size: 12px;
    color: var(--muted)
}

hr {
    border: 0;
    border-top: 1px solid #1f2937;
    margin: 20px 0
}

select {
    background: #0b1220;
    color: var(--text);
    border: 1px solid #374151;
    border-radius: 8px;
    padding: 6px
}