:root {
    --bg: #f4f6f8;
    --card: #ffffff;
    --border: #d0d7de;
    --text: #1f2328;
    --muted: #57606a;
    --accent: #0969da;
    --accent-hover: #0550ae;
    --ok: #1a7f37;
    --warn: #9a6700;
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    margin: 0;
    padding: 20px;
    line-height: 1.5;
}

header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

header h1 { margin: 0; font-size: 1.6rem; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px 20px;
    margin-bottom: 20px;
}

.card h2 { margin-top: 0; font-size: 1.2rem; }

button {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 6px 14px;
    cursor: pointer;
    font-size: 0.95rem;
}

button:hover { background: var(--accent-hover); }

label { margin-right: 12px; color: var(--muted); }

input, select, textarea {
    font-family: inherit;
    font-size: 0.95rem;
    padding: 4px 6px;
    border: 1px solid var(--border);
    border-radius: 4px;
}

textarea { width: 100%; font-family: Menlo, Consolas, monospace; margin-bottom: 8px; }

pre {
    background: #f6f8fa;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
    font-size: 0.85rem;
}

table {
    border-collapse: collapse;
    width: 100%;
    margin-top: 12px;
    font-size: 0.9rem;
}

th, td {
    border: 1px solid var(--border);
    padding: 4px 8px;
    text-align: left;
}

th { background: #f6f8fa; }

td.enc-br { color: var(--ok); font-weight: bold; }
td.enc-gzip { color: var(--warn); font-weight: bold; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }

code {
    background: #eff1f3;
    padding: 1px 4px;
    border-radius: 4px;
    font-size: 0.9em;
}

a { color: var(--accent); }