:root {
    --bg: #12141a;
    --card: #1b1f29;
    --line: #2c3344;
    --text: #e8e6df;
    --muted: #9aa3b5;
    --accent: #c9a227;
    --ok: #3d9a6a;
    --bad: #c45c5c;
    font-family: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: radial-gradient(1200px 500px at 10% -10%, #2a2414 0%, var(--bg) 55%);
    color: var(--text);
}

.top, main {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px 20px;
}

.eyebrow {
    letter-spacing: .12em;
    text-transform: uppercase;
    font-size: 11px;
    color: var(--accent);
    margin: 0 0 8px;
}

h1, h2, h3 { font-weight: 600; margin: 0 0 8px; }
h1 { font-size: 28px; }
h2 { font-size: 18px; }
h3 { font-size: 13px; color: var(--muted); margin-top: 16px; }

.muted { color: var(--muted); }
.hint { color: var(--muted); font-size: 14px; margin: 0 0 16px; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
}

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

.row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 13px;
    margin-bottom: 12px;
}

label.check {
    flex-direction: row;
    align-items: center;
    color: var(--muted);
}

input, select, button {
    font: inherit;
}

input, select {
    background: #12141a;
    color: var(--text);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 10px 12px;
}

button {
    background: var(--accent);
    color: #1a1608;
    border: 0;
    border-radius: 8px;
    padding: 10px 14px;
    font-weight: 600;
    cursor: pointer;
}

button.ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--line);
    font-weight: 500;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.result-head {
    display: flex;
    align-items: center;
    gap: 12px;
}

.badge {
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 999px;
    background: var(--bad);
}
.badge[data-ok="1"] { background: var(--ok); }

.url { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; color: var(--muted); word-break: break-all; }

pre {
    background: #0d0f14;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 12px;
    overflow: auto;
    font-size: 12px;
    line-height: 1.45;
}

@media (max-width: 720px) {
    .grid, .row { grid-template-columns: 1fr; }
}