:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1c2330;
  --muted: #64748b;
  --border: #dbe1ea;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --danger: #dc2626;
  --ok: #16a34a;
  --warn: #d97706;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141b;
    --card: #171e28;
    --text: #e5eaf2;
    --muted: #8b98ab;
    --border: #2a3441;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

nav.topbar {
  display: flex; align-items: center; gap: 20px;
  padding: 10px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
nav.topbar .brand { font-weight: 700; }
nav.topbar a.navlink { color: var(--muted); }
nav.topbar a.navlink.active { color: var(--text); font-weight: 600; }
nav.topbar .spacer { flex: 1; }
nav.topbar .user { color: var(--muted); font-size: 13px; }

main { max-width: 1000px; margin: 24px auto; padding: 0 16px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 18px;
}
.card h2 { margin: 0 0 14px; font-size: 17px; }
.card h3 { margin: 18px 0 8px; font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

label.field { display: block; margin: 12px 0; }
label.field .lbl { display: block; font-weight: 600; margin-bottom: 3px; }
label.field .hint { display: block; color: var(--muted); font-size: 13px; margin-top: 2px; }
input[type=text], input[type=password], select {
  width: 100%; max-width: 420px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
input[type=range] { width: 320px; vertical-align: middle; }
.range-val { font-family: var(--mono); margin-left: 10px; }
label.check { display: flex; align-items: flex-start; gap: 8px; margin: 12px 0; cursor: pointer; }
label.check input { margin-top: 4px; }

button {
  padding: 8px 18px;
  border: none; border-radius: 7px;
  background: var(--accent); color: #fff;
  font: inherit; font-weight: 600;
  cursor: pointer;
}
button:hover { background: var(--accent-hover); }
button:disabled { opacity: .5; cursor: default; }
button.secondary { background: transparent; color: var(--accent); border: 1px solid var(--border); }
button.danger { background: var(--danger); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }
tr:hover td { background: color-mix(in srgb, var(--accent) 5%, transparent); }

.badge {
  display: inline-block; padding: 2px 10px; border-radius: 999px;
  font-size: 12.5px; font-weight: 600; white-space: nowrap;
}
.badge.queued    { background: #64748b22; color: var(--muted); }
.badge.claimed,
.badge.building  { background: #2563eb22; color: var(--accent); }
.badge.uploading { background: #d9770622; color: var(--warn); }
.badge.success   { background: #16a34a22; color: var(--ok); }
.badge.failed    { background: #dc262622; color: var(--danger); }
.badge.cancelled { background: #64748b22; color: var(--muted); }

pre.log {
  background: #0b0f14; color: #d7e0ea;
  border-radius: 10px;
  padding: 14px;
  font: 12.5px/1.45 var(--mono);
  max-height: 60vh; overflow: auto;
  white-space: pre-wrap; word-break: break-word;
}

.error-box {
  background: #dc262615; color: var(--danger);
  border: 1px solid #dc262640;
  border-radius: 8px;
  padding: 10px 14px; margin: 10px 0;
  white-space: pre-wrap;
}
.notice { color: var(--muted); font-size: 13.5px; }
.mono { font-family: var(--mono); font-size: 13px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

.auth-wrap { max-width: 380px; margin: 8vh auto; }
.tabs { display: flex; gap: 0; margin-bottom: 16px; border-bottom: 1px solid var(--border); }
.tabs button {
  background: none; color: var(--muted); border: none; border-bottom: 2px solid transparent;
  border-radius: 0; padding: 8px 16px; font-weight: 600;
}
.tabs button.active { color: var(--text); border-bottom-color: var(--accent); }

dialog {
  border: 1px solid var(--border); border-radius: 12px;
  background: var(--card); color: var(--text);
  padding: 22px; max-width: 480px;
}
dialog::backdrop { background: #0008; }
.token-box {
  font-family: var(--mono); font-size: 13px;
  background: var(--bg); border: 1px dashed var(--border);
  border-radius: 8px; padding: 10px; word-break: break-all; margin: 10px 0;
}