:root {
    --bg: #f4f5f7;
    --card: #ffffff;
    --text: #1f2328;
    --muted: #656d76;
    --border: #d8dee4;
    --accent: #2f6feb;
    --danger: #cf222e;
    --ok: #1a7f37;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0d1117;
        --card: #161b22;
        --text: #e6edf3;
        --muted: #8d96a0;
        --border: #30363d;
        --accent: #4493f8;
        --danger: #f85149;
        --ok: #3fb950;
    }
}

* { box-sizing: border-box; }

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

header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.5rem;
    padding: 0.75rem 1rem;
    background: var(--card);
    border-bottom: 1px solid var(--border);
}

header nav { display: flex; gap: 1rem; }
header nav a { color: var(--muted); text-decoration: none; }
header nav a.active { color: var(--text); font-weight: 600; }
header .who { margin-left: auto; color: var(--muted); }

main { padding: 1.5rem 1rem; max-width: 1000px; margin: 0 auto; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem;
}

.card.narrow { max-width: 420px; margin: 0 auto; }

h1 { font-size: 1.4rem; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 0 0 0.75rem; }

.row { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; }
.row h1 { margin: 0; }

form { display: flex; flex-direction: column; gap: 0.75rem; }
form .row { justify-content: flex-start; }

label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.9rem; color: var(--muted); }
label.check { flex-direction: row; align-items: center; gap: 0.5rem; }

input:not([type=checkbox]) {
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
    font-size: 1rem;
}

button {
    padding: 0.5rem 1rem;
    border: 1px solid var(--accent);
    border-radius: 6px;
    background: var(--accent);
    color: #fff;
    font-size: 0.9rem;
    cursor: pointer;
}

button.secondary { background: transparent; color: var(--text); border-color: var(--border); }
button.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
button.link { background: none; border: none; color: var(--accent); padding: 0 0 0 0.5rem; }

.editor { margin: 1rem 0; padding: 1rem; border: 1px solid var(--border); border-radius: 8px; }

table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
th, td { text-align: left; padding: 0.5rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.85rem; }
td.actions { white-space: nowrap; text-align: right; }
td.actions button + button { margin-left: 0.5rem; }

.mono { font-family: ui-monospace, Consolas, monospace; font-size: 0.85rem; }
.error { color: var(--danger); margin: 0; }
.message { color: var(--ok); margin: 0.5rem 0 0; }

@media (max-width: 640px) {
    .id-col { display: none; }
}