:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1c2129;
  --muted: #5f6b7a;
  --border: #dde2e8;
  --accent: #2f6fde;
  --accent-text: #ffffff;
  --danger: #c23a32;
  --ok: #217a45;
  --warn-bg: #fff6dd;
  --warn-border: #e8c460;
  --error-bg: #fdecea;
  --error-border: #e7a39d;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151a;
    --surface: #1b2028;
    --text: #e6e9ee;
    --muted: #9aa5b4;
    --border: #2d3440;
    --accent: #5b92f0;
    --accent-text: #0b0e12;
    --danger: #ef7a72;
    --ok: #5fc58a;
    --warn-bg: #2f2814;
    --warn-border: #7a6420;
    --error-bg: #34191a;
    --error-border: #7d3532;
    color-scheme: dark;
  }
}
* { 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;
}
a { color: var(--accent); }
h1 { font-size: 1.6rem; margin: 0 0 .5rem; }
h2 { font-size: 1.1rem; margin: 1.25rem 0 .5rem; }
code { font-size: .85em; word-break: break-word; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }

.topbar {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .5rem;
  padding: .75rem 1rem; background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
.topbar nav { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.topbar nav a { text-decoration: none; }

.page { max-width: 960px; margin: 0 auto; padding: 1.25rem 1rem 3rem; }
.auth { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.25rem; margin: 1rem 0;
}
.narrow { max-width: 460px; }
.auth-card { width: 100%; max-width: 380px; }

label { display: block; font-weight: 600; margin: .75rem 0 .25rem; }
label.check { display: flex; gap: .5rem; align-items: center; font-weight: 500; }
input[type=text], input[type=password], input[type=number] {
  width: 100%; padding: .6rem .7rem; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--text); font: inherit;
}
input[type=file] { max-width: 100%; font: inherit; }
.help { color: var(--muted); font-size: .85rem; margin: .25rem 0 .5rem; }
.field-error { color: var(--danger); font-size: .9rem; margin: .25rem 0; }
.req { color: var(--danger); }

button, .button {
  display: inline-block; padding: .55rem 1rem; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font: inherit; cursor: pointer; text-decoration: none;
}
button.primary, .button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
button.danger { color: var(--danger); border-color: var(--danger); background: transparent; }
button.small { padding: .3rem .6rem; font-size: .85rem; }
button.link { border: 0; background: none; color: var(--accent); padding: 0; }
button:disabled { opacity: .6; cursor: progress; }
.wide { width: 100%; margin-top: 1.25rem; }
form.inline { display: inline; }

.notice { padding: .75rem 1rem; border-radius: 8px; margin: .75rem 0; border: 1px solid var(--border); }
.notice.error { background: var(--error-bg); border-color: var(--error-border); }
.notice.warn { background: var(--warn-bg); border-color: var(--warn-border); }
.notice.success { border-color: var(--ok); }
.notice ul { margin: .4rem 0 0; padding-left: 1.2rem; }

.badge { display: inline-block; padding: .15rem .55rem; border-radius: 999px; font-size: .8rem;
  border: 1px solid var(--border); white-space: nowrap; }
.badge.warn { background: var(--warn-bg); border-color: var(--warn-border); }
.state-completed { color: var(--ok); border-color: var(--ok); }
.state-failed, .state-timed_out, .state-cancelled { color: var(--danger); border-color: var(--danger); }
.state-completed_no_file { background: var(--warn-bg); border-color: var(--warn-border); }

.views-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.view-slot { border: 1px dashed var(--border); border-radius: var(--radius); padding: .75rem; }
.view-slot label { margin-top: 0; }
.preview {
  aspect-ratio: 1; display: grid; place-items: center; margin-bottom: .5rem; border-radius: 8px;
  background: repeating-conic-gradient(var(--bg) 0 25%, var(--surface) 0 50%) 0 0 / 16px 16px;
  overflow: hidden;
}
.preview img { width: 100%; height: 100%; object-fit: contain; }
details.advanced { margin: 1rem 0; border-top: 1px solid var(--border); padding-top: .75rem; }
details.advanced summary { cursor: pointer; font-weight: 600; }

.table-wrap { overflow-x: auto; }
table.jobs { width: 100%; border-collapse: collapse; background: var(--surface); }
table.jobs th, table.jobs td { padding: .5rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
img.thumb { width: 56px; height: 56px; object-fit: cover; border-radius: 6px; display: block; }
table.kv { border-collapse: collapse; width: 100%; }
table.kv th, table.kv td { text-align: left; padding: .3rem .5rem; border-bottom: 1px solid var(--border); vertical-align: top; }
table.kv th { width: 30%; color: var(--muted); font-weight: 500; }

.job-head { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.job-head h1 { margin: 0; }
.inputs { display: flex; flex-wrap: wrap; gap: .75rem; }
.inputs figure { margin: 0; width: 140px; }
.inputs img { width: 140px; height: 140px; object-fit: contain; border: 1px solid var(--border); border-radius: 8px;
  background: repeating-conic-gradient(var(--bg) 0 25%, var(--surface) 0 50%) 0 0 / 16px 16px; }
.inputs figcaption { text-align: center; font-size: .85rem; color: var(--muted); }

model-viewer { width: 100%; height: min(70vh, 560px); background: var(--bg); border-radius: 8px; }
.viewer-actions { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: .75rem; }
.waiting { display: flex; align-items: center; gap: 1rem; }
.spinner { width: 28px; height: 28px; border-radius: 50%; border: 3px solid var(--border);
  border-top-color: var(--accent); animation: spin 1s linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } }