/* ===== Vercel 风格 UI =====
   设计语言：#fafafa 页面底 / 白卡片 + 1px #eaeaea 边框 / 黑色主按钮 /
   下划线页签 / 克制的语义色 (蓝 #0070f3 绿 #067a3e 红 #e5484d 琥珀 #a35200) */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #fafafa;
  --fg: #171717;
  --fg-secondary: #666;
  --fg-tertiary: #999;
  --border: #eaeaea;
  --border-hover: #c9c9c9;
  --card: #ffffff;
  --blue: #0070f3;
  --green: #067a3e;
  --green-bg: #ebfaef;
  --green-border: #c3e8cf;
  --amber: #a35200;
  --amber-bg: #fff4e5;
  --amber-border: #f0d7b2;
  --red: #e5484d;
  --red-bg: #fff0f0;
  --red-border: #f4c1c3;
  --radius: 8px;
  --radius-lg: 12px;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, monospace;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--fg);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ---------- 顶栏 ---------- */
header {
  background: rgba(255, 255, 255, .85);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: stretch;
  gap: 28px;
  position: sticky;
  top: 0;
  z-index: 10;
  height: 56px;
}
header h1 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -.01em;
  display: flex;
  align-items: center;
}
nav { display: flex; align-items: stretch; gap: 4px; }
.tab-btn {
  background: none;
  border: none;
  border-radius: 0;
  border-bottom: 2px solid transparent;
  border-top: 2px solid transparent;
  color: var(--fg-secondary);
  font-size: 14px;
  padding: 0 14px;
  cursor: pointer;
  transition: color .15s;
}
.tab-btn:hover { color: var(--fg); }
.tab-btn.active { color: var(--fg); border-bottom-color: var(--fg); font-weight: 500; }
.user-area {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--fg-secondary);
}
.user-area button {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--fg-secondary);
  padding: 5px 14px;
  font-size: 13px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color .15s, color .15s;
}
.user-area button:hover { border-color: var(--fg); color: var(--fg); }

/* ---------- 布局 ---------- */
main { max-width: 1080px; margin: 32px auto; padding: 0 24px; }
.tab { display: none; }
.tab.active { display: block; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
  transition: border-color .15s, box-shadow .15s;
}
.card h2 { font-size: 14px; font-weight: 600; letter-spacing: -.01em; margin-bottom: 12px; }
.hint { font-size: 13px; color: var(--fg-tertiary); margin-bottom: 12px; }

/* ---------- 表单 ---------- */
.form-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 10px; }
.form-row label { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--fg-secondary); }
.form-row .label { font-size: 13px; color: var(--fg-secondary); }

input[type=text], input[type=password], select, textarea {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-size: 14px;
  background: var(--card);
  color: var(--fg);
  transition: border-color .15s, box-shadow .15s;
  font-family: inherit;
}
input::placeholder, textarea::placeholder { color: var(--fg-tertiary); }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--fg-tertiary);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, .05);
}
input[type=file] { font-size: 13px; color: var(--fg-secondary); }

button {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  border-radius: var(--radius);
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: background .15s, border-color .15s, color .15s;
}
button:hover { border-color: var(--fg); }
button.primary { background: var(--fg); color: #fff; border-color: var(--fg); }
button.primary:hover { background: #383838; border-color: #383838; }
button.danger { color: var(--red); border-color: var(--border); }
button.danger:hover { background: var(--red-bg); border-color: var(--red-border); }

/* ---------- 标签 ---------- */
.tag {
  font-size: 12px;
  border-radius: 999px;
  padding: 2px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg-secondary);
  white-space: nowrap;
}
.tag.ok { background: var(--green-bg); border-color: var(--green-border); color: var(--green); }
.tag.warn { background: var(--amber-bg); border-color: var(--amber-border); color: var(--amber); }
.tag.st-done { background: var(--green-bg); border-color: var(--green-border); color: var(--green); }
.tag.st-failed { background: var(--red-bg); border-color: var(--red-border); color: var(--red); }
.tag.st-running, .tag.st-pending { background: #eaf3ff; border-color: #c4ddf7; color: var(--blue); }

/* ---------- 模板网格 ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 14px; }
.tpl-card { padding: 12px; }
.tpl-card:hover { border-color: var(--border-hover); box-shadow: 0 4px 16px rgba(0, 0, 0, .06); }
.tpl-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid var(--border);
}
.tpl-card .meta { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; font-size: 13px; gap: 8px; }
.tpl-card .meta b { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tpl-card .actions { margin-top: 10px; display: flex; gap: 6px; }
.tpl-card .actions button { padding: 4px 10px; font-size: 12px; }

/* ---------- SKU ---------- */
.sku-card { margin-bottom: 14px; }
.sku-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; gap: 12px; }
.sku-head .title { font-weight: 600; font-size: 14px; letter-spacing: -.01em; }
.sku-head .sub { font-size: 13px; color: var(--fg-tertiary); margin-left: 8px; font-weight: 400; }
.sku-imgs { display: flex; gap: 8px; flex-wrap: wrap; }
.sku-img { position: relative; }
.sku-img img {
  width: 92px; height: 92px; object-fit: cover;
  border-radius: var(--radius); border: 1px solid var(--border);
  cursor: zoom-in;
}
.gen-preview img { cursor: zoom-in; }
.sku-img .angle {
  position: absolute; bottom: 5px; left: 5px;
  font-size: 10px; background: rgba(0, 0, 0, .65); color: #fff;
  border-radius: 5px; padding: 1px 7px; backdrop-filter: blur(4px);
}
.add-img { display: flex; gap: 8px; align-items: center; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.add-img select, .add-img input { font-size: 13px; }

/* ---------- 生成 ---------- */
.gen-preview { display: flex; gap: 14px; margin: 12px 0; align-items: flex-start; }
.gen-preview img { height: 116px; border-radius: var(--radius); border: 1px solid var(--border); }
.gen-preview .refs { display: flex; gap: 6px; flex-wrap: wrap; }
.gen-preview .refs img { height: 54px; }

.model-checks { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.model-check {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  cursor: pointer;
  background: var(--card);
  transition: border-color .15s, background .15s;
}
.model-check:hover { border-color: var(--border-hover); }
.model-check:has(input:checked) { border-color: var(--fg); background: var(--bg); }
.model-check input { accent-color: var(--fg); }
.model-check.disabled { opacity: .45; cursor: not-allowed; }
.model-check .cost { font-size: 11px; color: var(--fg-tertiary); font-family: var(--mono); }

.prompt-box { margin-bottom: 14px; font-size: 13px; color: var(--fg-secondary); }
.prompt-box summary { cursor: pointer; user-select: none; }
.prompt-box textarea { width: 100%; margin-top: 10px; font-size: 13px; line-height: 1.6; }

/* ---------- 任务与结果 ---------- */
.task-card .task-head { display: flex; gap: 12px; align-items: center; margin-bottom: 14px; }
.task-head img { height: 56px; width: 44px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); }
.task-head .title { font-weight: 600; font-size: 14px; letter-spacing: -.01em; }
.task-head .sub { font-size: 12px; color: var(--fg-tertiary); margin-top: 2px; }

.gen-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.gen-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--card);
  transition: border-color .15s, box-shadow .15s;
}
.gen-card:hover { border-color: var(--border-hover); box-shadow: 0 4px 16px rgba(0, 0, 0, .06); }
.gen-card .head {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 10px 12px;
  font-size: 12px; font-weight: 500;
  border-bottom: 1px solid var(--border);
}
.gen-card .head span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gen-card img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; display: block; cursor: zoom-in; }
.gen-card .placeholder {
  width: 100%; aspect-ratio: 3 / 4;
  display: flex; align-items: center; justify-content: center; flex-direction: column;
  gap: 10px; padding: 16px; text-align: center;
  color: var(--fg-tertiary); font-size: 13px;
  background: var(--bg);
}
.gen-card .placeholder button { font-size: 12px; padding: 5px 14px; }
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--fg);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.gen-card .foot {
  padding: 8px 12px;
  font-size: 12px; color: var(--fg-tertiary);
  display: flex; justify-content: space-between;
  font-family: var(--mono);
}
.gen-card .error { color: var(--red); font-size: 11px; word-break: break-all; font-family: var(--mono); }

.stars { display: flex; gap: 6px; padding: 0 12px 12px; font-size: 12px; flex-direction: column; color: var(--fg-secondary); }
.stars .dim { display: flex; align-items: center; gap: 5px; }
.stars .dim span.s { cursor: pointer; color: #e0e0e0; font-size: 15px; transition: color .1s; }
.stars .dim span.s:hover { color: #f5a623; }
.stars .dim span.s.on { color: #f5a623; }

/* ---------- 系统配置 ---------- */
.config-card { margin-bottom: 12px; }
.cfg-row { align-items: center; }
.cfg-label { font-size: 13px; width: 200px; color: var(--fg-secondary); flex-shrink: 0; }
.cfg-row input { flex: 1; min-width: 240px; }
.cfg-msg { font-size: 12px; color: var(--green); }
.user-row { border-top: 1px solid var(--border); padding-top: 10px; margin-top: 2px; }

/* ---------- 系统配置：分区布局 ---------- */
.settings-layout { display: flex; gap: 28px; align-items: flex-start; }
.settings-nav {
  width: 170px; flex-shrink: 0;
  position: sticky; top: 80px;
  display: flex; flex-direction: column; gap: 2px;
}
.sec-btn {
  text-align: left;
  border: none; background: none;
  padding: 8px 12px;
  border-radius: var(--radius);
  color: var(--fg-secondary);
  font-size: 14px;
  cursor: pointer;
  transition: background .12s, color .12s;
}
.sec-btn:hover { background: #efefef; color: var(--fg); border: none; }
.sec-btn.active { background: #ececec; color: var(--fg); font-weight: 500; }
.settings-content { flex: 1; min-width: 0; }
.sec { display: none; }
.sec.active { display: block; animation: tab-in .18s ease; }
@media (max-width: 760px) {
  .settings-layout { flex-direction: column; }
  .settings-nav { position: static; flex-direction: row; flex-wrap: wrap; width: auto; }
}

/* ---------- 操作日志 ---------- */
.audit-list { max-height: 420px; overflow-y: auto; font-size: 12px; }
.audit-row {
  display: grid;
  grid-template-columns: 150px 90px 110px 1fr 110px;
  gap: 10px;
  padding: 7px 4px;
  border-top: 1px solid var(--border);
  align-items: baseline;
}
.audit-row:first-child { border-top: none; }
.audit-time, .audit-ip { color: var(--fg-tertiary); font-family: var(--mono); font-size: 11px; }
.audit-user { font-weight: 500; }
.audit-action { color: var(--fg-secondary); }
.audit-detail { color: var(--fg-secondary); word-break: break-all; }
.audit-warn .audit-action { color: var(--red); }
.tpl-card .creator { font-size: 11px; color: var(--fg-tertiary); }

/* ---------- 弹窗 ---------- */
.modal {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, .45);
  backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center;
  z-index: 50;
}
.modal.hidden { display: none; }
.modal-body {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  max-width: 90vw; max-height: 90vh; overflow: auto;
  box-shadow: 0 16px 48px rgba(0, 0, 0, .18);
}
.modal-body h3 { font-size: 15px; font-weight: 600; letter-spacing: -.01em; margin-bottom: 14px; }
#box-canvas { max-width: 70vw; max-height: 68vh; border-radius: var(--radius); cursor: crosshair; border: 1px solid var(--border); }
.modal-actions { display: flex; gap: 8px; margin-top: 14px; justify-content: flex-end; }

/* ---------- 登录页（独立整页） ---------- */
.login-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg);
  padding: 24px;
}
.login-card {
  width: 100%; max-width: 380px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px 32px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, .06);
  animation: modal-in .25s cubic-bezier(.21, 1.02, .73, 1);
}
.login-brand { font-size: 40px; margin-bottom: 10px; }
.login-card h1 { font-size: 19px; font-weight: 600; letter-spacing: -.01em; }
.login-sub { font-size: 13px; color: var(--fg-tertiary); margin: 6px 0 26px; }
.login-card form { display: flex; flex-direction: column; gap: 10px; text-align: left; }
.login-card input { padding: 11px 12px; font-size: 14px; }
.login-card button.primary { padding: 11px; font-size: 14px; }
.login-err { color: var(--red); font-size: 12px; min-height: 16px; }
.login-divider {
  display: flex; align-items: center; gap: 10px;
  color: var(--fg-tertiary); font-size: 12px; margin: 16px 0 12px;
}
.login-divider::before, .login-divider::after { content: ""; flex: 1; border-top: 1px solid var(--border); }
.vintage-btn {
  width: 100%; padding: 10px; font-size: 14px;
  border: 1px solid var(--border); background: var(--card);
  border-radius: var(--radius); cursor: pointer;
  transition: border-color .15s, background .15s;
}
.vintage-btn:hover { border-color: var(--fg); background: var(--bg); }

/* ---------- Toast 通知 ---------- */
#toasts {
  position: fixed; bottom: 24px; right: 24px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 100; pointer-events: none;
}
.toast {
  background: var(--fg); color: #fff;
  font-size: 13px; padding: 10px 16px;
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
  animation: toast-in .22s cubic-bezier(.21, 1.02, .73, 1);
  max-width: 320px;
  transition: opacity .3s, transform .3s;
}
.toast.err { background: var(--red); }
.toast.out { opacity: 0; transform: translateY(8px); }
@keyframes toast-in { from { opacity: 0; transform: translateY(12px) scale(.97); } }

/* ---------- 拖拽上传区 ---------- */
.dropzone {
  border: 1px dashed var(--border-hover);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 22px 16px;
  text-align: center;
  color: var(--fg-tertiary);
  font-size: 13px;
  cursor: pointer;
  transition: border-color .15s, background .15s, color .15s;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.dropzone:hover, .dropzone.drag { border-color: var(--fg); color: var(--fg); background: #f5f5f5; }
.dropzone.drag { border-style: solid; }
.dropzone.uploading { pointer-events: none; opacity: .7; }
.dropzone img.dz-preview { max-height: 110px; border-radius: 6px; border: 1px solid var(--border); }
.dz-mini { padding: 12px; flex: 1; }
.add-img { align-items: stretch; }
.add-img label { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--fg-secondary); flex-shrink: 0; }

/* ---------- 按钮加载态 ---------- */
button.busy { pointer-events: none; opacity: .75; }
button.busy::after {
  content: "";
  display: inline-block;
  width: 11px; height: 11px;
  margin-left: 7px;
  vertical-align: -1px;
  border: 2px solid rgba(255, 255, 255, .4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
button.busy:not(.primary)::after { border-color: var(--border); border-top-color: var(--fg); }

/* ---------- 动画 ---------- */
.tab.active { animation: tab-in .18s ease; }
@keyframes tab-in { from { opacity: 0; transform: translateY(4px); } }
.modal:not(.hidden) .modal-body { animation: modal-in .18s cubic-bezier(.21, 1.02, .73, 1); }
@keyframes modal-in { from { opacity: 0; transform: scale(.96) translateY(6px); } }
.task-card.flash { animation: flash-card 1.4s ease; }
@keyframes flash-card {
  0% { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0, 112, 243, .18); }
  100% { border-color: var(--border); box-shadow: none; }
}

/* ---------- 确认弹窗 ---------- */
.confirm-box { width: 320px; }
.confirm-box p { font-size: 14px; color: var(--fg); line-height: 1.6; }

/* ---------- 其他 ---------- */
.empty {
  text-align: center; color: var(--fg-tertiary); font-size: 13px;
  padding: 48px 20px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
}
.hidden { display: none !important; }
#lightbox {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, .82);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  z-index: 60; cursor: zoom-out;
}
#lightbox img { max-width: 92vw; max-height: 92vh; border-radius: var(--radius); }