:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1f2329;
  --muted: #8a919c;
  --primary: #2563eb;
  --primary-d: #1d4ed8;
  --danger: #dc2626;
  --ok: #16a34a;
  --warn: #d97706;
  --border: #e5e7eb;
  --radius: 12px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 14px 60px;
}
h1 { font-size: 20px; padding: 16px 0 8px; }
h2 { font-size: 17px; margin: 18px 0 8px; }
a { color: var(--primary); text-decoration: none; }

.nav {
  display: flex; gap: 6px; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 6px; margin: 12px 0 16px; position: sticky; top: 8px; z-index: 10;
}
.nav a {
  flex: 1; text-align: center; padding: 9px 4px; border-radius: 8px;
  font-size: 14px; color: var(--muted); font-weight: 500;
}
.nav a.active { background: var(--primary); color: #fff; }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; margin-bottom: 14px;
}
label { display: block; font-size: 14px; color: var(--muted); margin: 12px 0 4px; }
input, select, textarea {
  width: 100%; padding: 11px 12px; font-size: 16px;
  border: 1px solid var(--border); border-radius: 10px;
  background: #fff; color: var(--text); font-family: inherit;
}
textarea { min-height: 90px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(37, 99, 235, .25); border-color: var(--primary); }

button {
  display: inline-block; border: none; cursor: pointer;
  background: var(--primary); color: #fff; font-size: 16px;
  padding: 12px 20px; border-radius: 10px; font-weight: 600; font-family: inherit;
}
button:active { background: var(--primary-d); }
button:disabled { background: #93b4f5; cursor: not-allowed; }
button.ghost { background: #eef2f7; color: var(--text); font-weight: 500; padding: 8px 14px; font-size: 14px; }
button.danger { background: #fee2e2; color: var(--danger); font-weight: 500; padding: 8px 14px; font-size: 14px; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }

.progress { height: 8px; background: #eef0f3; border-radius: 99px; overflow: hidden; margin-top: 12px; display: none; }
.progress > div { height: 100%; width: 0; background: var(--primary); transition: width .2s; }

.msg { padding: 10px 14px; border-radius: 10px; font-size: 14px; margin-top: 12px; display: none; }
.msg.ok { display: block; background: #dcfce7; color: var(--ok); }
.msg.err { display: block; background: #fee2e2; color: var(--danger); }
.msg.info { display: block; background: #dbeafe; color: var(--primary); }

.chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 14px; }
.chip {
  padding: 7px 14px; border-radius: 99px; font-size: 14px;
  background: var(--card); border: 1px solid var(--border); cursor: pointer; color: var(--text);
}
.chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.chip small { opacity: .7; margin-left: 3px; }

.meta { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.badge { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 6px; margin-right: 6px; }
.badge.done { background: #dcfce7; color: var(--ok); }
.badge.processing { background: #fef3c7; color: var(--warn); }
.badge.failed { background: #fee2e2; color: var(--danger); }
.badge.video { background: #e0e7ff; color: #4338ca; }
.badge.audio { background: #fae8ff; color: #a21caf; }

.script-text {
  white-space: pre-wrap; word-break: break-word;
  background: #f8f9fb; border: 1px solid var(--border);
  border-radius: 10px; padding: 12px; font-size: 15px; margin-top: 8px;
}
.script-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: 8px; }
.script-head .tools { display: flex; gap: 8px; }

details { border-top: 1px dashed var(--border); padding: 10px 0; }
details:first-of-type { border-top: none; }
summary { cursor: pointer; font-weight: 600; font-size: 15px; }
summary small { color: var(--muted); font-weight: 400; margin-left: 6px; }
.pool { margin-top: 8px; }
.pool li { font-size: 14px; padding: 5px 0; border-bottom: 1px dashed #f0f1f3; list-style: none; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.stat { background: #f8f9fb; border-radius: 10px; padding: 10px 12px; }
.stat b { font-size: 20px; display: block; }
.stat span { font-size: 12px; color: var(--muted); }