/* shadcn/ui 风格：中性色、细边框、无渐变 */
:root {
  --bg: #fafafa;
  --panel: #ffffff;
  --border: #e4e4e7;
  --border-strong: #d4d4d8;
  --ink: #09090b;
  --muted: #71717a;
  --faint: #a1a1aa;
  --primary: #18181b;
  --primary-hover: #3f3f46;
  --secondary-bg: #f4f4f5;
  --ring: #a1a1aa;
  --green: #15803d;
  --green-bg: #f0fdf4;
  --amber: #a16207;
  --amber-bg: #fefce8;
  --red: #dc2626;
  --red-bg: #fef2f2;
  --blue: #1d4ed8;
  --blue-bg: #eff6ff;
  --radius: 10px;
}

* { box-sizing: border-box; }

/* 作者样式会覆盖 hidden 属性的 UA 默认值，必须显式压住（否则弹窗常驻显示） */
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: ui-sans-serif, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  font-size: 14px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.topbar-right { display: flex; align-items: center; gap: 8px; }

.badge {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--secondary-bg);
  color: var(--muted);
}
.badge.ok { background: var(--green-bg); color: var(--green); border-color: #bbf7d0; }
.badge.warn { background: var(--amber-bg); color: var(--amber); border-color: #fde68a; }
.badge.mock { background: var(--blue-bg); color: var(--blue); border-color: #bfdbfe; }

.layout {
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: stretch;
}
.layout > .panel { margin-bottom: 0; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.panel h2, .opt-title {
  font-size: 14px;
  font-weight: 600;
  margin: 16px 0 8px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}
.panel h2:first-child, .opt-title:first-child { margin-top: 0; }
.panel h2 small, .opt-title small { font-size: 12px; color: var(--muted); font-weight: 400; }

/* ---- 大上传框 ---- */
.upload-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.upload-grid.single { grid-template-columns: 1fr; }
@media (max-width: 720px) { .upload-grid { grid-template-columns: 1fr; } }

.dropzone {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 16px 12px;
  text-align: center;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.dropzone:hover, .dropzone.dragover { background: var(--secondary-bg); border-color: var(--ring); }
.dropzone.big { padding: 44px 16px 36px; }
.dz-icon { width: 28px; height: 28px; color: var(--faint); margin-bottom: 8px; }
.dz-main { margin: 2px 0; font-weight: 500; }
.dropzone .hint { color: var(--muted); font-size: 12px; }

.thumbs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.thumb {
  width: 104px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px;
  position: relative;
  background: var(--panel);
}
.thumb img {
  width: 100%;
  height: 92px;
  object-fit: cover;
  border-radius: 6px;
  display: block;
  background: var(--secondary-bg);
}
.thumb .remove {
  position: absolute;
  top: -7px;
  right: -7px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: none;
  background: var(--ink);
  color: #fff;
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
}
.thumb input {
  width: 100%;
  margin-top: 5px;
  font-size: 12px;
  padding: 3px 6px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--ink);
}
.thumb .tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(9, 9, 11, 0.7);
  color: #fff;
  font-size: 11px;
  border-radius: 4px;
  padding: 1px 6px;
}

/* ---- 选项区 ---- */
/* 等宽网格：控件多、文字长时按列整齐换行，不会出现孤行 */
.options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px 12px;
  align-items: end;
}
@media (max-width: 720px) { .options { grid-template-columns: repeat(2, 1fr); } }
.options label { display: flex; flex-direction: column; font-size: 13px; color: var(--muted); gap: 4px; min-width: 0; }
.options label.check {
  flex-direction: row;
  align-items: center;
  gap: 6px;
  color: var(--ink);
  padding-bottom: 7px;
  font-weight: 500;
}
.options label.check input { width: 15px; height: 15px; accent-color: var(--primary); }
.options select { width: 100%; }
select:disabled { background: var(--secondary-bg); color: var(--faint); cursor: not-allowed; }

select, textarea, .modal-card input {
  font: inherit;
  font-size: 13px;
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 10px;
  background: var(--panel);
}
textarea { width: 100%; resize: vertical; }
select:focus, textarea:focus, .modal-card input:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(24, 24, 27, 0.08);
}

.no-model-hint {
  background: var(--blue-bg);
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  padding: 9px 12px;
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 13px;
}

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
  color: var(--ink);
  transition: all 0.12s;
}
.chip:hover { background: var(--secondary-bg); }
.chip.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.gen-row { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.gen-row .grow { flex: 1; }
.hint { color: var(--muted); font-size: 12px; }

/* ---- 按钮 ---- */
.btn {
  font: inherit;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 16px;
  cursor: pointer;
  background: var(--panel);
  color: var(--ink);
  text-decoration: none;
  display: inline-block;
  transition: background 0.12s, border-color 0.12s;
}
.btn.primary {
  background: var(--primary);
  border: 1px solid var(--primary);
  color: #fff;
  font-weight: 500;
  padding: 9px 22px;
}
.btn.primary:hover { background: var(--primary-hover); }
.btn.primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.outline:hover { background: var(--secondary-bg); }
.btn.ghost { border-color: transparent; background: transparent; color: var(--muted); }
.btn.ghost:hover { background: var(--secondary-bg); color: var(--ink); }
.btn.small { padding: 4px 10px; font-size: 12px; }

/* ---- 任务队列 ---- */
.tasks .task {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 13px;
}
.task .status { margin-left: auto; white-space: nowrap; color: var(--muted); }
.task .status.running { color: var(--amber); }
.task .status.done { color: var(--green); }
.task .status.failed { color: var(--red); }
.task .err { color: var(--red); font-size: 12px; }
.spin {
  width: 13px; height: 13px;
  border: 2px solid var(--border);
  border-top-color: var(--ink);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  flex: none;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- 结果 ---- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}
.grid .card {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--panel);
  cursor: zoom-in;
}
.card img { width: 100%; aspect-ratio: 3/4; object-fit: cover; display: block; background: var(--secondary-bg); }
.card .meta { padding: 6px 10px; font-size: 12px; color: var(--muted); display: flex; justify-content: space-between; align-items: center; gap: 6px; }
.card .meta a { color: var(--ink); text-decoration: underline; text-underline-offset: 2px; white-space: nowrap; }

.empty { color: var(--muted); text-align: center; padding: 32px 0; }

/* ---- 弹窗 ---- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(9, 9, 11, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  width: min(430px, 100%);
  max-height: 92vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 16px 40px rgba(9, 9, 11, 0.12);
}
.modal-card.wide { width: min(620px, 100%); }
.modal-card h2 { margin: 0; font-size: 16px; font-weight: 600; }
.modal-card h3.sec {
  margin: 4px 0 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.modal-card h3.with-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-card label { font-size: 13px; color: var(--muted); display: flex; flex-direction: column; gap: 5px; }
.modal-card input { width: 100%; }
.modal-card textarea { font-size: 13px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 4px; }

.lightbox-body { max-width: min(760px, 94vw); text-align: center; }
.lightbox-body img { max-width: 100%; max-height: 78vh; border-radius: 10px; background: #fff; }
.lightbox-actions { margin-top: 12px; display: flex; gap: 10px; justify-content: center; }