:root {
  --bg: #f4f6fa; --surface: #ffffff; --surface-2: #f0f3f9; --text: #1b2333; --muted: #5b6577; --border: #dde3ee;
  --accent: #2f5bd3; --accent-ink: #ffffff; --accent-soft: #e6edff;
  --ok: #1f7a4d; --ok-soft: #e3f4ea; --warn: #8a5a00; --warn-soft: #fff3d6; --bad: #b42318; --bad-soft: #fde8e6;
  --info-soft: #e8f1fb; --banner: #fff4cc; --banner-ink: #5c4300;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 14px rgba(16, 24, 40, .06);
  --radius: 12px; --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f141c; --surface: #161d28; --surface-2: #1c2533; --text: #e6eaf2; --muted: #9aa5b8; --border: #2a3546;
    --accent: #7aa2ff; --accent-ink: #0b1220; --accent-soft: #1e2a44;
    --ok: #5fd39a; --ok-soft: #153325; --warn: #f2c063; --warn-soft: #3a2e12; --bad: #ff8a80; --bad-soft: #3d1d1b;
    --info-soft: #1a2a3e; --banner: #3a3112; --banner-ink: #f7dc8a; --shadow: none; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0f141c; --surface: #161d28; --surface-2: #1c2533; --text: #e6eaf2; --muted: #9aa5b8; --border: #2a3546;
  --accent: #7aa2ff; --accent-ink: #0b1220; --accent-soft: #1e2a44;
  --ok: #5fd39a; --ok-soft: #153325; --warn: #f2c063; --warn-soft: #3a2e12; --bad: #ff8a80; --bad-soft: #3d1d1b;
  --info-soft: #1a2a3e; --banner: #3a3112; --banner-ink: #f7dc8a; --shadow: none; color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
h1, h2, h3 { line-height: 1.25; margin: 0; }
h1 { font-size: 1.2rem; }
h2 { font-size: 1.05rem; }
h3 { font-size: .95rem; margin: 1rem 0 .4rem; }
a { color: var(--accent); }
small, .hint { color: var(--muted); }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.banner { background: var(--banner); color: var(--banner-ink); padding: .5rem 16px; text-align: center; font-size: .9rem; border-bottom: 1px solid var(--border); }
.topbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; padding: 14px 16px; max-width: 1280px; margin: 0 auto; }
.brand { display: flex; gap: 12px; align-items: center; min-width: 0; }
.logo { width: 38px; height: 38px; flex: none; }
.logo rect { fill: var(--accent); }
.logo path { fill: none; stroke: var(--accent-ink); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.sub { margin: 2px 0 0; color: var(--muted); font-size: .86rem; }
.toplinks { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.chip { background: var(--accent-soft); color: var(--text); border-radius: 999px; padding: .25rem .7rem; font-size: .85rem; }

main { max-width: 1280px; margin: 0 auto; padding: 0 16px 24px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); min-width: 0; }
.card-head { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.layout { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 16px; align-items: start; }
.layout .history { grid-column: 1 / -1; }
@media (max-width: 900px) { .layout { grid-template-columns: minmax(0, 1fr); } }

.auth { max-width: 520px; margin: 24px auto; }
.tabs { display: flex; gap: 4px; margin: 12px 0 16px; border-bottom: 1px solid var(--border); }
.tab { background: none; border: 0; padding: .55rem .9rem; cursor: pointer; color: var(--muted); font: inherit; border-bottom: 2px solid transparent; }
.tab.active { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }
.roles { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; margin: 4px 0 14px; }
.roles legend { padding: 0 6px; font-weight: 600; }
.role { display: flex; gap: 10px; align-items: flex-start; padding: 6px 0; cursor: pointer; }
.role input { margin-top: 4px; }

form label { display: block; margin-bottom: 12px; font-weight: 600; font-size: .9rem; }
form label small { font-weight: 400; display: block; }
input, textarea, select { width: 100%; margin-top: 4px; font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: .55rem .65rem; }
textarea { resize: vertical; }
input:focus, textarea:focus, select:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
input[aria-invalid="true"], textarea[aria-invalid="true"], select[aria-invalid="true"] { border-color: var(--bad); }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 560px) { .grid3 { grid-template-columns: minmax(0, 1fr); } }
.err { display: block; color: var(--bad); font-weight: 400; font-size: .82rem; min-height: 0; }
.counter { display: block; text-align: right; color: var(--muted); font-weight: 400; font-size: .78rem; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.examples { display: flex; gap: 6px; flex-wrap: wrap; }
.examples select { width: auto; margin: 0; }
.form-msg { min-height: 1.2em; margin: 8px 0 0; font-size: .9rem; }
.form-msg.bad { color: var(--bad); }
.form-msg.ok { color: var(--ok); }

.btn { display: inline-flex; align-items: center; gap: 6px; border-radius: 8px; padding: .5rem .9rem; font: inherit; font-weight: 600; cursor: pointer; border: 1px solid transparent; text-decoration: none; white-space: nowrap; }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.primary:disabled { opacity: .55; cursor: progress; }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn.ghost:hover { background: var(--surface-2); }

.state { text-align: center; padding: 28px 8px; color: var(--muted); }
.state.error { text-align: left; background: var(--bad-soft); color: var(--text); border-radius: 10px; padding: 14px; }
.empty-art { width: 64px; height: 64px; margin: 0 auto 10px; border-radius: 16px; background: linear-gradient(135deg, var(--accent-soft), var(--surface-2)); border: 1px dashed var(--border); }
.spinner { width: 36px; height: 36px; margin: 0 auto 12px; border-radius: 50%; border: 3px solid var(--border); border-top-color: var(--accent); animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } }
.steps { text-align: left; display: inline-block; margin: 6px auto; padding-left: 1.2rem; }
.steps li { color: var(--muted); }
.steps li.done { color: var(--ok); }
.steps li.active { color: var(--text); font-weight: 600; }

.verdict { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 12px; border-radius: 10px; background: var(--surface-2); margin-bottom: 10px; }
.badge { display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .02em; padding: .18rem .5rem; border-radius: 6px; background: var(--surface-2); border: 1px solid var(--border); white-space: nowrap; }
.badge.ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.badge.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.badge.bad { background: var(--bad-soft); color: var(--bad); border-color: transparent; }
.badge.info { background: var(--info-soft); color: var(--text); border-color: transparent; }
.cite { font-family: var(--mono); font-size: .75rem; background: var(--surface-2); border: 1px solid var(--border); border-radius: 5px; padding: 0 .35rem; margin-left: 4px; white-space: nowrap; }
.notice { padding: 10px 12px; border-radius: 8px; margin: 8px 0; font-size: .9rem; }
.notice.warn { background: var(--warn-soft); }
.notice.sec { background: var(--bad-soft); }
.notice.info { background: var(--info-soft); }

.rtabs { display: flex; gap: 2px; flex-wrap: wrap; border-bottom: 1px solid var(--border); margin: 12px 0; }
.rtabs button { background: none; border: 0; padding: .45rem .7rem; color: var(--muted); font: inherit; cursor: pointer; border-bottom: 2px solid transparent; }
.rtabs button.active { color: var(--text); font-weight: 600; border-bottom-color: var(--accent); }
.rtabs .count { font-size: .75rem; color: var(--muted); margin-left: 3px; }
.items { list-style: none; padding: 0; margin: 0; }
.items > li { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; margin-bottom: 8px; background: var(--surface); }
.items .row { display: flex; gap: 8px; flex-wrap: wrap; align-items: baseline; }
.items .row b { overflow-wrap: anywhere; }
.items p { margin: 4px 0 0; overflow-wrap: anywhere; }
.items ul { margin: 6px 0 0; padding-left: 1.1rem; }
.kv { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 4px 12px; font-size: .9rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .85rem; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
td.mono { font-family: var(--mono); font-size: .78rem; overflow-wrap: anywhere; }
.disclaimer { margin-top: 14px; font-size: .82rem; color: var(--muted); border-top: 1px solid var(--border); padding-top: 10px; }

.hist-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 8px; }
.hist-list li { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; cursor: pointer; background: var(--surface); }
.hist-list li:hover { background: var(--surface-2); }
.hist-list .t { font-weight: 600; overflow-wrap: anywhere; }
.hist-list .m { font-size: .8rem; color: var(--muted); }
footer { max-width: 1280px; margin: 0 auto; padding: 8px 16px 28px; color: var(--muted); font-size: .82rem; }