:root {
  --bg: #0f1419;
  --card: #1a2332;
  --card2: #243044;
  --text: #e7ecf3;
  --muted: #9aa8bc;
  --accent: #ff5a5f;
  --accent2: #3d9cf0;
  --ok: #3dd68c;
  --warn: #f5c542;
  --border: #2e3a4d;
  --radius: 12px;
  --font: "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.5;
}
a { color: var(--accent2); }
.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 14px 80px;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(15, 20, 25, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 10px 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
}
.topbar h1 {
  font-size: 1.1rem;
  margin: 0;
  font-weight: 700;
}
.nav { display: flex; gap: 8px; flex-wrap: wrap; }
.nav a, button, .btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--card2);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.92rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.nav a.active, button.primary, .btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
button:hover, .btn:hover { filter: brightness(1.08); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin: 12px 0;
}
.card h2 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}
.card h3 {
  margin: 14px 0 8px;
  font-size: 0.98rem;
  color: #cfe0ff;
}
.hint, .muted { color: var(--muted); font-size: 0.88rem; }
.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
@media (max-width: 720px) {
  .row { grid-template-columns: 1fr; }
}
label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 4px;
}
input[type="text"], input[type="number"], input[type="url"], select, textarea {
  width: 100%;
  background: #0d121a;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 10px;
  font-size: 0.95rem;
}
textarea { min-height: 88px; resize: vertical; font-family: ui-monospace, Consolas, monospace; }
.field { margin-bottom: 10px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.pill {
  display: inline-block;
  background: #132033;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 0.8rem;
  color: var(--muted);
}
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.err { color: #ff8e8e; }
.shot {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  margin: 10px 0;
  background: #141c28;
}
.shot-head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.preview-box {
  width: min(280px, 100%);
  aspect-ratio: 9 / 16;
  margin: 10px auto;
  border-radius: 12px;
  border: 2px solid var(--border);
  background:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px) 0 0 / 100% 10%,
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px) 0 0 / 10% 100%,
    #1a1d24;
  position: relative;
  overflow: hidden;
}
.preview-media, .preview-sub {
  position: absolute;
  transform: translate(-50%, -50%);
  text-align: center;
}
.preview-media {
  width: 70%;
  height: 40%;
  background: #4a5568;
  border: 2px solid #a0aec0;
  border-radius: 8px;
  left: 50%;
  top: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  padding: 4px;
  color: #f7fafc;
}
.preview-sub {
  left: 50%;
  top: 82%;
  max-width: 88%;
  font-weight: 700;
  text-shadow: -1px -1px 0 #000, 1px 1px 0 #000;
  font-size: 14px;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}
th, td {
  border: 1px solid var(--border);
  padding: 8px;
  text-align: left;
  vertical-align: top;
}
th { background: #132033; }
code, .mono {
  font-family: ui-monospace, Consolas, monospace;
  background: #0d121a;
  padding: 1px 5px;
  border-radius: 4px;
}
.log {
  white-space: pre-wrap;
  background: #0d121a;
  border-radius: 8px;
  padding: 10px;
  font-size: 0.85rem;
  max-height: 220px;
  overflow: auto;
}
.toast {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  background: #22314a;
  border: 1px solid var(--border);
  padding: 10px 16px;
  border-radius: 999px;
  z-index: 50;
  display: none;
}
.toast.show { display: block; }
.details summary {
  cursor: pointer;
  color: #cfe0ff;
  font-weight: 600;
  margin-bottom: 8px;
}