:root {
  --bg: #15191e;
  --surface: #1d2228;
  --surface-2: #252b33;
  --border: #323a44;
  --text: #e8ecf0;
  --muted: #9aa5b1;
  --accent: #3ec99a;
  --accent-ink: #062a1e;
  --accent-soft: rgba(62, 201, 154, 0.14);
  --danger: #ff6b6b;
  --danger-soft: rgba(255, 107, 107, 0.12);
  --image: #b59cff;
  --image-soft: rgba(181, 156, 255, 0.14);
  --radius: 10px;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-2: #eef1f4;
  --border: #d9dee4;
  --text: #17191c;
  --muted: #5f6b77;
  --accent: #0b8a63;
  --accent-ink: #ffffff;
  --accent-soft: rgba(11, 138, 99, 0.1);
  --danger: #c62828;
  --danger-soft: rgba(198, 40, 40, 0.08);
  --image: #6a4fd1;
  --image-soft: rgba(106, 79, 209, 0.1);
  color-scheme: light;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]):not([data-theme="light"]) {
    --bg: #f4f6f8;
    --surface: #ffffff;
    --surface-2: #eef1f4;
    --border: #d9dee4;
    --text: #17191c;
    --muted: #5f6b77;
    --accent: #0b8a63;
    --accent-ink: #ffffff;
    --accent-soft: rgba(11, 138, 99, 0.1);
    --danger: #c62828;
    --danger-soft: rgba(198, 40, 40, 0.08);
    --image: #6a4fd1;
    --image-soft: rgba(106, 79, 209, 0.1);
    color-scheme: light;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Inter, Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea { font: inherit; color: inherit; }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px 10px;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 22px; height: 22px; border-radius: 6px;
  background:
    linear-gradient(var(--accent), var(--accent)) 4px 4px / 6px 6px no-repeat,
    linear-gradient(var(--accent), var(--accent)) 12px 12px / 6px 6px no-repeat,
    var(--accent-soft);
  border: 1px solid var(--accent);
}
.brand-name { font-weight: 650; letter-spacing: 0.01em; }

.who { display: flex; align-items: center; gap: 8px; min-width: 0; }
.who-id { color: var(--muted); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.pill {
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em;
  padding: 2px 7px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent);
}

.tabs {
  display: flex; gap: 4px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
}
.tab {
  background: none; border: 0; cursor: pointer;
  padding: 10px 12px; color: var(--muted); font-weight: 550;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); }
.tab:hover { color: var(--text); }

.banner {
  margin: 12px 16px 0;
  padding: 10px 12px;
  border-radius: var(--radius);
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent);
}

main { padding: 16px; max-width: 920px; margin: 0 auto; }

.stack { display: grid; gap: 16px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  display: grid;
  gap: 14px;
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.card-title { margin: 0; font-size: 16px; font-weight: 650; }
.section-title { margin: 6px 0 0; font-size: 13px; font-weight: 650; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }

.state { text-align: center; padding: 48px 16px; color: var(--muted); }
.state-title { color: var(--text); font-size: 16px; font-weight: 650; margin: 0 0 6px; }
.state-text { margin: 0 auto 16px; max-width: 420px; }

.group { display: grid; gap: 8px; }
.group-title { margin: 0; font-size: 12px; font-weight: 650; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }

.model-grid { display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }

.model-card {
  text-align: left; cursor: pointer;
  display: grid; gap: 4px;
  padding: 12px;
  border-radius: var(--radius);
  background: var(--surface-2);
  border: 1px solid var(--border);
  transition: border-color 120ms, background 120ms;
}
.model-card:hover { border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); }
.model-card.is-selected { border-color: var(--accent); background: var(--accent-soft); }
.model-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.model-name { font-weight: 650; }
.model-desc { color: var(--muted); font-size: 13px; }
.model-meta { color: var(--muted); font-size: 12px; }

.kind {
  font-size: 11px; font-weight: 600; padding: 1px 7px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); white-space: nowrap;
}
.kind-image { background: var(--image-soft); color: var(--image); }

.field { display: grid; gap: 5px; min-width: 0; align-content: start; }
.card > .btn { justify-self: start; }
.label { font-size: 13px; font-weight: 550; }
.hint { font-size: 12px; color: var(--muted); }

.input {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  outline: none;
}
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.input:disabled { opacity: 0.6; }
.input.area { resize: vertical; min-height: 90px; }
.input.mono { font-family: var(--mono); font-size: 12px; }

.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); align-items: start; }

.check { display: flex; align-items: center; gap: 8px; align-self: end; padding-bottom: 8px; }

.actions { display: flex; gap: 8px; justify-content: flex-end; }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }

.btn {
  cursor: pointer;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  font-weight: 550;
}
.btn:hover { border-color: var(--muted); }
.btn:disabled { opacity: 0.55; cursor: default; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.06); border-color: var(--accent); }
.btn-small { padding: 5px 10px; font-size: 13px; }
.btn-ghost { background: none; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }

.segmented {
  display: inline-flex; padding: 3px; gap: 3px; width: fit-content;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 9px;
}
.seg { border: 0; background: none; cursor: pointer; padding: 6px 14px; border-radius: 7px; color: var(--muted); font-weight: 550; }
.seg.is-on { background: var(--surface); color: var(--text); box-shadow: 0 0 0 1px var(--border); }

.variant {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px 14px;
  display: grid; gap: 12px;
}
.variant legend { padding: 0 6px; font-weight: 650; font-size: 13px; }

.file {
  display: grid; gap: 8px;
  padding: 12px;
  border-radius: 8px;
  background: var(--surface-2);
}

.list { list-style: none; margin: 0; padding: 0; display: grid; }
.list-row {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 12px;
  padding: 10px 0;
  border-top: 1px solid var(--border);
}
.list-row:first-child { border-top: 0; }
.list-main { display: grid; gap: 2px; min-width: 0; }
.list-title { font-weight: 600; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.list-sub { color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }

.notice {
  padding: 12px; border-radius: var(--radius);
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  display: grid; gap: 8px; justify-items: start;
}
.notice p { margin: 0; }
.notice-warn {
  background: var(--danger-soft);
  border-color: color-mix(in srgb, var(--danger) 35%, transparent);
}

.error {
  padding: 10px 12px; border-radius: var(--radius);
  background: var(--danger-soft); color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent);
}

.muted { color: var(--muted); margin: 0; }
.small { font-size: 12px; }

.steps { margin: 0; padding-left: 20px; display: grid; gap: 8px; }
.help .steps { gap: 6px; color: var(--muted); }
.steps li { min-width: 0; }
.code-block {
  margin: 8px 0 0; padding: 10px 12px; border-radius: 8px;
  background: var(--bg); border: 1px solid var(--border);
  font-family: var(--mono); font-size: 12px; line-height: 1.5;
  overflow-x: auto; white-space: pre; user-select: all;
}
.need { padding: 10px 12px; border-radius: var(--radius); background: var(--surface-2); }
.need p { margin: 0; }
a.btn { display: inline-block; text-decoration: none; color: inherit; }
a.btn-primary { color: var(--accent-ink); }
.code {
  display: inline-block; margin: 2px 2px;
  font-family: var(--mono); font-size: 12px;
  padding: 1px 6px; border-radius: 5px;
  background: var(--surface-2); color: var(--text);
}

@media (max-width: 520px) {
  main { padding: 12px; }
  .card { padding: 14px; }
  .who-id { display: none; }
}