:root {
    --bg: #f4f5f7;
    --card: #fff;
    --text: #1d2330;
    --muted: #6b7280;
    --border: #dfe2e8;
    --accent: #2563eb;
    --danger: #dc2626;
    --ok-bg: #ecfdf3;
    --ok: #166534;
    --err-bg: #fef2f2;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.wrap { max-width: 720px; margin: 0 auto; padding: 24px 16px 64px; }
.narrow { max-width: 380px; }

h1 { margin: 0 0 16px; font-size: 1.8rem; }
h2 { margin: 28px 0 12px; font-size: 1.25rem; }
.card h2, .card h3 { margin-top: 0; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px 20px;
    margin: 0 0 14px;
}
fieldset.card { min-width: 0; }
legend { float: left; width: 100%; padding: 0; margin-bottom: 10px; font-weight: 600; }
legend + * { clear: both; }

.notice { background: var(--ok-bg); color: var(--ok); border-color: #bbf7d0; }
.error { background: var(--err-bg); color: var(--danger); border-color: #fecaca; }
.has-error { border-color: var(--danger); }
.err-msg { color: var(--danger); font-size: .9rem; margin-top: 6px; }
.req { color: var(--danger); }
.muted { color: var(--muted); }
.intro { white-space: normal; }

label { display: block; margin-bottom: 12px; }
input[type=text], input[type=password], textarea, select {
    display: block;
    width: 100%;
    margin-top: 4px;
    padding: 9px 11px;
    border: 1px solid var(--border);
    border-radius: 7px;
    font: inherit;
    background: #fff;
}
textarea { resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

label.opt, label.check { display: flex; gap: 8px; align-items: center; margin-bottom: 6px; cursor: pointer; }

.scale { display: flex; gap: 8px; }
.scale label { margin: 0; }
.scale input { position: absolute; opacity: 0; }
.scale span {
    display: grid; place-items: center;
    width: 44px; height: 44px;
    border: 1px solid var(--border); border-radius: 8px;
    cursor: pointer; font-weight: 600;
}
.scale input:checked + span { background: var(--accent); color: #fff; border-color: var(--accent); }
.scale input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

.hp { position: absolute; left: -9999px; }

.btn {
    display: inline-block;
    padding: 9px 18px;
    border: 1px solid var(--accent);
    border-radius: 7px;
    background: var(--accent);
    color: #fff;
    font: inherit; font-weight: 600;
    text-decoration: none;
    cursor: pointer;
}
.btn.ghost { background: #fff; color: var(--accent); }
.btn.danger { background: #fff; color: var(--danger); border-color: var(--danger); }
.btn.small { padding: 2px 10px; }
.btn:disabled { opacity: .35; cursor: default; }
button.link { background: none; border: 0; padding: 0; font: inherit; color: var(--muted); cursor: pointer; }

.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 12px; }
.row > label { margin: 0; }
.row form { margin: 0; }

.admin-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 16px; }
.admin-head h1 { margin: 0; }
.admin-head nav { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.admin-head nav form { margin: 0; }
.admin-head a { color: var(--muted); text-decoration: none; }
.admin-head a.on { color: var(--accent); font-weight: 600; }

.q-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.add { border-style: dashed; }

.bars { width: 100%; border-collapse: collapse; }
.bars td { padding: 4px 0; vertical-align: middle; }
.bars td:first-child { padding-right: 12px; width: 35%; }
.bars .bar { background: var(--bg); border-radius: 4px; }
.bars .bar span { display: block; height: 18px; background: var(--accent); border-radius: 4px; }
.bars .num { width: 90px; text-align: right; color: var(--muted); font-size: .9rem; padding-left: 10px; }

.texts { margin: 0; padding-left: 18px; max-height: 320px; overflow: auto; }
.texts li { margin-bottom: 6px; }

details summary { cursor: pointer; font-weight: 600; }
dl { margin: 12px 0 0; }
dt { font-weight: 600; margin-top: 8px; }
dd { margin: 2px 0 0; }