/* ============================================================
   镜刻 · AI 带货视频工作台 — app.css
   白底专业 SaaS 设计系统：单一靛蓝强调色、8px 间距体系、
   1px 浅边卡片、内联线性 SVG 图标（stroke 2）。
   ============================================================ */

:root{
  --bg:#ffffff;
  --soft:#fafafa;
  --ink:#0f172a;
  --ink-2:#334155;
  --muted:#64748b;
  --faint:#94a3b8;
  --line:#e5e7eb;
  --line-2:#eef1f4;
  --input-line:#dfe3ea;
  --accent:#4f46e5;
  --accent-dark:#4338ca;
  --accent-soft:#eef2ff;
  --accent-ring:rgba(79,70,229,.12);
  --green:#16a34a;
  --green-soft:#f0fdf4;
  --green-line:#bbf7d0;
  --red:#dc2626;
  --red-soft:#fef2f2;
  --red-line:#fecaca;
  --amber:#b45309;
  --amber-soft:#fffbeb;
  --amber-line:#fde68a;
  --r-sm:8px;
  --r-md:10px;
  --shadow:0 1px 2px rgba(15,23,42,.05);
  --shadow-md:0 4px 12px rgba(15,23,42,.06);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:14px;
  line-height:1.6;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.01em;line-height:1.35}
p{margin:0}
button{font-family:inherit}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
::selection{background:#e0e7ff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#d4d9e0;border-radius:8px;border:2px solid #fff}
::-webkit-scrollbar-track{background:transparent}

.ic{display:inline-flex;align-items:center;justify-content:center;flex:none;line-height:0}
.ic svg{display:block}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:38px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid transparent;background:none;
  font-size:14px;font-weight:550;line-height:1;cursor:pointer;
  color:var(--ink-2);white-space:nowrap;
  transition:background .15s ease,border-color .15s ease,color .15s ease,box-shadow .15s ease;
}
.btn:hover{text-decoration:none}
.btn:disabled{cursor:not-allowed;opacity:.55}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover:not(:disabled){background:var(--accent-dark)}
.btn-secondary{background:#fff;border-color:var(--line);color:var(--ink-2);box-shadow:var(--shadow)}
.btn-secondary:hover:not(:disabled){background:var(--soft)}
.btn-ghost{background:transparent;color:var(--ink-2)}
.btn-ghost:hover:not(:disabled){background:var(--soft)}
.btn-sm{height:32px;padding:0 12px;font-size:13px;gap:6px}
.btn-lg{height:44px;padding:0 20px;font-size:15px}
.btn-block{width:100%}

/* ---------- 表单 ---------- */
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field>span,.field-label{font-size:13px;font-weight:550;color:var(--ink-2)}
.field small{color:var(--faint);font-size:12px}
input[type=text],input[type=password],input[type=url],input:not([type]),select,textarea{
  width:100%;border:1px solid var(--input-line);border-radius:var(--r-sm);
  background:#fff;color:var(--ink);font:inherit;font-size:14px;
  padding:9px 12px;line-height:1.5;
  transition:border-color .15s ease,box-shadow .15s ease;
}
input::placeholder,textarea::placeholder{color:var(--faint)}
input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-ring);
}
input:disabled,select:disabled,textarea:disabled{background:var(--soft);color:var(--muted);cursor:not-allowed}
select{
  appearance:none;-webkit-appearance:none;
  padding-right:32px;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 10px center;
}
textarea{resize:vertical;min-height:0}
.visually-hidden-input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}

/* ---------- 卡片 / 通用 ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow)}
.card-pad{padding:20px}
.muted{color:var(--muted)}
.error-box{
  display:flex;gap:8px;align-items:flex-start;
  background:var(--red-soft);border:1px solid var(--red-line);color:#b91c1c;
  border-radius:var(--r-sm);padding:10px 12px;font-size:13px;line-height:1.55;
  word-break:break-all;
}
.error-box .ic{margin-top:2px}
.spinner{
  width:16px;height:16px;flex:none;border-radius:50%;
  border:2px solid rgba(255,255,255,.35);border-top-color:#fff;
  animation:spin .7s linear infinite;
}
.spinner.dark{border-color:#d5dae3;border-top-color:var(--accent)}
@keyframes spin{to{transform:rotate(360deg)}}

.section-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.section-title .t{display:flex;align-items:center;gap:10px;min-width:0}
.section-title .t .ic{color:var(--accent)}
.section-title strong{display:block;font-size:14px;font-weight:600}
.section-title small{display:block;font-size:12px;color:var(--muted);font-weight:400;margin-top:1px}
.section-title em{
  font-style:normal;font-size:11px;font-weight:500;color:var(--muted);
  background:var(--soft);border:1px solid var(--line-2);border-radius:999px;padding:2px 9px;white-space:nowrap;
}

/* ---------- 状态徽标 ---------- */
.st{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:550;padding:2px 10px;border-radius:999px;white-space:nowrap}
.st i{width:6px;height:6px;border-radius:50%;background:currentColor}
.st-completed{background:var(--green-soft);color:var(--green)}
.st-analyzing{background:var(--amber-soft);color:var(--amber)}
.st-failed{background:var(--red-soft);color:var(--red)}
.st-uploading,.st-uploaded{background:#f1f5f9;color:var(--ink-2)}

/* ---------- 应用骨架 ---------- */
.shell{display:grid;grid-template-columns:236px minmax(0,1fr);min-height:100vh}
.sidebar{
  position:sticky;top:0;height:100vh;display:flex;flex-direction:column;
  padding:18px 14px;border-right:1px solid var(--line);background:#fff;z-index:20;
}
.brand{display:flex;align-items:center;gap:10px;padding:2px 10px 16px;margin-bottom:12px;border-bottom:1px solid var(--line-2)}
.brand .mark{flex:none}
.brand .name{font-size:16px;font-weight:700;letter-spacing:.01em}
.brand .sub{display:block;font-size:11px;color:var(--faint);font-weight:400;letter-spacing:0}
.nav-list{display:flex;flex-direction:column;gap:2px}
.nav-item{
  display:flex;align-items:center;gap:10px;width:100%;
  padding:8px 10px;border:0;border-radius:var(--r-sm);background:none;
  font-size:14px;color:var(--ink-2);cursor:pointer;text-align:left;
  transition:background .15s ease,color .15s ease;
}
.nav-item:hover:not(:disabled){background:#f6f7f9}
.nav-item.active{background:var(--accent-soft);color:var(--accent);font-weight:550}
.nav-item:disabled{cursor:not-allowed;color:var(--faint)}
.nav-item em{
  margin-left:auto;font-style:normal;font-size:11px;font-weight:500;
  color:var(--faint);background:#f1f5f9;border-radius:4px;padding:1px 7px;
}
.nav-item.active em{background:#e0e7ff;color:var(--accent)}
.sidebar-bottom{margin-top:auto;padding-top:12px;border-top:1px solid var(--line-2);display:flex;flex-direction:column;gap:2px}
.user-card{display:flex;align-items:center;gap:10px;padding:8px 10px;margin-bottom:8px}
.avatar{
  width:32px;height:32px;flex:none;border-radius:50%;
  background:var(--accent-soft);color:var(--accent);
  display:grid;place-items:center;font-size:13px;font-weight:650;text-transform:uppercase;
}
.avatar.lg{width:56px;height:56px;font-size:22px}
.user-card .meta{min-width:0}
.user-card .meta strong{display:block;font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-card .meta span{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--muted)}
.user-card .meta span .ic{color:var(--accent)}

.main{min-width:0;background:var(--bg)}
.page{max-width:1140px;margin:0 auto;padding:36px 40px 72px}
.page-narrow{max-width:900px}

/* ---------- 页头 ---------- */
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:24px}
.page-head .eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--accent);margin-bottom:8px}
.page-head h1{font-size:22px;margin-bottom:6px}
.page-head p{color:var(--muted);font-size:13.5px;max-width:600px}
.conn{
  display:inline-flex;align-items:center;gap:7px;flex:none;
  font-size:12.5px;color:var(--ink-2);
  border:1px solid var(--line);border-radius:999px;padding:5px 12px;background:#fff;box-shadow:var(--shadow);
}
.conn i{width:7px;height:7px;border-radius:50%;background:var(--green)}

/* ---------- 步骤条 ---------- */
.steps{display:flex;align-items:center;margin:0 0 24px;list-style:none;padding:0}
.step{display:flex;align-items:center;gap:10px;min-width:0}
.step .dot{
  width:26px;height:26px;flex:none;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--faint);
  display:grid;place-items:center;font-size:12.5px;font-weight:600;
}
.step strong{font-size:13px;font-weight:500;color:var(--muted);white-space:nowrap}
.step.on .dot{background:var(--accent);border-color:var(--accent);color:#fff}
.step.on strong{color:var(--ink)}
.step.done .dot{background:var(--accent-soft);border-color:transparent;color:var(--accent)}
.steps>.line{flex:1;height:1px;background:var(--line);margin:0 14px;min-width:20px}

/* ---------- 布局 ---------- */
.grid-side{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start}
.stack{display:flex;flex-direction:column;gap:16px}

/* ---------- 上传区 ---------- */
.drop{border:1.5px dashed #cbd5e1;border-radius:var(--r-md);background:var(--soft);transition:border-color .15s ease,background .15s ease}
.drop.dragging{border-color:var(--accent);background:var(--accent-soft)}
.video-empty{padding:44px 24px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px}
.video-empty .up-ic{
  width:48px;height:48px;border-radius:12px;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--accent);margin-bottom:8px;box-shadow:var(--shadow);
}
.video-empty h2{font-size:15px}
.video-empty p{color:var(--muted);font-size:13px;max-width:340px}
.video-empty .hint{margin-top:8px;font-size:12px;color:var(--faint)}
.video-empty .btn{margin-top:12px}
.video-preview{position:relative;padding:16px}
.video-preview .frame{background:#0b1120;border-radius:var(--r-sm);overflow:hidden;display:grid;place-items:center}
.video-preview video{display:block;width:100%;max-height:320px}
.video-preview .fname{margin-top:12px;font-size:13.5px;font-weight:550;word-break:break-all}
.video-preview .fmeta{font-size:12.5px;color:var(--muted)}
.video-preview .swap{position:absolute;top:24px;right:24px;width:30px;height:30px;border-radius:8px;border:1px solid rgba(255,255,255,.25);background:rgba(15,23,42,.55);color:#fff;display:grid;place-items:center;cursor:pointer}
.video-preview .swap:hover{background:rgba(15,23,42,.75)}
.video-preview .replace{margin-top:12px}

/* ---------- 商品图 ---------- */
.img-uploader{display:flex;flex-wrap:wrap;gap:12px}
.img-add{
  display:flex;align-items:center;gap:10px;flex:1;min-width:220px;
  border:1.5px dashed #cbd5e1;border-radius:var(--r-sm);background:var(--soft);
  padding:12px 14px;cursor:pointer;color:var(--ink-2);text-align:left;
  transition:border-color .15s ease,background .15s ease;
}
.img-add:hover:not(:disabled){border-color:var(--accent);background:var(--accent-soft)}
.img-add:disabled{cursor:not-allowed;opacity:.55}
.img-add .ic{color:var(--accent)}
.img-add strong{display:block;font-size:13px;font-weight:550}
.img-add small{display:block;font-size:12px;color:var(--muted)}
.img-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px}
.img-cell{position:relative;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;background:var(--soft)}
.img-cell img{display:block;width:100%;aspect-ratio:1;object-fit:cover}
.img-cell .tag{
  position:absolute;left:6px;bottom:6px;font-size:11px;font-weight:550;
  background:rgba(15,23,42,.6);color:#fff;border-radius:4px;padding:1px 6px;
}
.img-cell .del{
  position:absolute;top:6px;right:6px;width:22px;height:22px;border:0;border-radius:6px;
  background:rgba(15,23,42,.6);color:#fff;display:grid;place-items:center;cursor:pointer;
}
.img-cell .del:hover{background:var(--red)}
.img-cell.add-tile{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;aspect-ratio:1;
  border:1.5px dashed #cbd5e1;color:var(--muted);cursor:pointer;background:var(--soft);
  transition:border-color .15s ease,background .15s ease;font-size:12px;
}
.img-cell.add-tile:hover{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
.img-empty{
  width:100%;border:1.5px dashed #cbd5e1;border-radius:var(--r-md);background:var(--soft);
  padding:40px 20px;display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;cursor:pointer;
  transition:border-color .15s ease,background .15s ease;color:var(--ink);
}
.img-empty:hover{border-color:var(--accent);background:var(--accent-soft)}
.img-empty .up-ic{
  width:48px;height:48px;border-radius:12px;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--accent);margin-bottom:8px;box-shadow:var(--shadow);
}
.img-empty strong{font-size:14px}
.img-empty small{font-size:12.5px;color:var(--muted)}

/* ---------- 拆解页 ---------- */
.brief-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px}
.brief-grid .full{grid-column:1 / -1}
.checks{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.checks span{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}
.checks .ic{color:var(--green)}
.privacy{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:12px;font-size:12px;color:var(--faint)}
.side-panel .panel-title{font-size:14px;font-weight:650;margin-bottom:4px}
.side-panel .panel-intro{font-size:12.5px;color:var(--muted);margin-bottom:18px}
.feature-row{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--line-2)}
.feature-row:first-of-type{border-top:0;padding-top:0}
.feature-row .ic{color:var(--accent);margin-top:2px}
.feature-row strong{display:block;font-size:13.5px;font-weight:600}
.feature-row p{font-size:12.5px;color:var(--muted);line-height:1.55}
.panel-foot{display:flex;align-items:center;gap:8px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line-2);font-size:12.5px;color:var(--muted)}
.panel-foot .ic{color:var(--accent)}

/* 上传进度 */
.upload-progress{margin-top:4px}
.progress-track{height:6px;border-radius:99px;background:var(--line-2);overflow:hidden}
.progress-fill{height:100%;border-radius:99px;background:var(--accent);width:0;transition:width .25s ease}
.stage-line{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}

/* ---------- 智能视频页 ---------- */
.smart-steps{display:flex;align-items:center;gap:10px;margin:0 0 24px;padding:0;list-style:none}
.smart-steps li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.smart-steps li.on{color:var(--ink)}
.smart-steps li b{
  width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
  font-size:12px;background:#f1f5f9;color:var(--muted);font-weight:600;
}
.smart-steps li.on b{background:var(--accent);color:#fff}
.smart-steps .sep{width:28px;height:1px;background:var(--line)}
.director-list{display:flex;flex-direction:column}
.director-item{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--line-2)}
.director-item:first-child{border-top:0;padding-top:0}
.director-item .num{font-family:var(--mono);font-size:12px;color:var(--accent);font-weight:600;padding-top:2px}
.director-item strong{display:block;font-size:13.5px;font-weight:600}
.director-item small{font-size:12.5px;color:var(--muted)}

/* ---------- 结果页 ---------- */
.results-head{display:flex;align-items:center;gap:16px;margin-bottom:20px}
.results-head .title{min-width:0;flex:1}
.results-head .title h1{font-size:20px}
.results-head .title p{font-size:12.5px;color:var(--muted)}
.results-head .actions{display:flex;gap:10px;flex:none}
.summary-strip{display:grid;grid-template-columns:1.1fr .8fr 1.1fr 2fr;margin-bottom:16px}
.summary-strip>div{padding:16px 18px;border-right:1px solid var(--line-2);min-width:0}
.summary-strip>div:first-child{padding-left:20px}
.summary-strip>div:last-child{border-right:0;padding-right:20px}
.summary-strip small{display:block;font-size:11.5px;color:var(--muted);margin-bottom:4px}
.summary-strip strong{display:block;font-size:13px;font-weight:600;line-height:1.55;word-break:break-word}

.condensed-head{display:flex;align-items:center;justify-content:space-between;gap:16px}
.condensed-head .l{display:flex;align-items:center;gap:12px;min-width:0}
.badge-15s{
  flex:none;font-size:12px;font-weight:700;letter-spacing:.04em;
  background:var(--accent-soft);color:var(--accent);border-radius:6px;padding:5px 8px;
}
.condensed-head h2{font-size:16px}
.condensed-head p{font-size:12.5px;color:var(--muted)}
.f15-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:16px 0}
.f15-seg{border:1px solid var(--line-2);border-radius:var(--r-sm);padding:10px 12px;background:var(--soft)}
.f15-seg .time{font-family:var(--mono);font-size:11.5px;color:var(--accent);font-weight:600}
.f15-seg strong{display:block;font-size:13px;font-weight:600;margin:2px 0}
.f15-seg p{font-size:12.5px;color:var(--muted);line-height:1.55}
.master-fields{display:flex;flex-direction:column;gap:14px}
.settings-sub{border:1px solid var(--line-2);border-radius:var(--r-md);padding:16px;background:var(--soft)}
.vsettings-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.gen-submit{display:flex;flex-direction:column;gap:10px}
.gen-btn{
  width:100%;display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:13px 16px;border-radius:var(--r-md);cursor:pointer;
  border:1px solid transparent;font-size:14.5px;font-weight:600;
  transition:background .15s ease,border-color .15s ease;
}
.gen-btn .row{display:flex;align-items:center;gap:8px}
.gen-btn small{font-size:12px;font-weight:400;opacity:.85}
.gen-btn.on{background:var(--accent);color:#fff}
.gen-btn.on:hover{background:var(--accent-dark)}
.gen-btn.off{background:#f8fafc;border-color:var(--line);color:var(--ink-2);cursor:default}
.gen-btn.fail{background:var(--red-soft);border-color:var(--red-line);color:#b91c1c;cursor:default}
.gen-note{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted)}
.gen-result{display:grid;grid-template-columns:minmax(0,300px) 1fr;gap:16px;align-items:center;border:1px solid var(--green-line);background:var(--green-soft);border-radius:var(--r-md);padding:16px}
.gen-result video{width:100%;border-radius:var(--r-sm);background:#0b1120;display:block}
.gen-result strong{display:block;font-size:14.5px;margin-bottom:8px}
.placeholder-box{border:1px dashed var(--line);border-radius:var(--r-sm);background:var(--soft);color:var(--muted);font-size:13px;padding:14px 16px;margin-top:16px}

.result-grid{display:grid;grid-template-columns:230px minmax(300px,.95fr) minmax(360px,1.1fr);gap:20px;align-items:start;margin-top:16px}
.media-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow)}
.media-box video,.media-box img{display:block;width:100%;background:#0b1120}
.media-box .none{display:flex;flex-direction:column;align-items:center;gap:8px;padding:36px 16px;color:var(--faint);font-size:12.5px;text-align:center}
.side-h{font-size:13.5px;font-weight:650;margin:18px 0 10px}
.sales-flow{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:0}
.sales-flow li{display:flex;gap:10px;padding:9px 0;border-top:1px solid var(--line-2);font-size:13px;color:var(--ink-2);line-height:1.5}
.sales-flow li:first-child{border-top:0;padding-top:0}
.sales-flow li span{flex:none;width:20px;height:20px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-size:11.5px;font-weight:650;display:grid;place-items:center;margin-top:1px}

.col-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:10px}
.col-head .l{display:flex;align-items:baseline;gap:8px;min-width:0}
.col-head strong{font-size:13.5px;font-weight:650}
.col-head small{font-size:12px;color:var(--muted)}
.col-head .tag-right{font-family:var(--mono);font-size:12px;color:var(--muted)}
.col-head .tag-plain{font-size:11.5px;color:var(--faint);border:1px solid var(--line-2);border-radius:999px;padding:2px 9px;background:var(--soft)}

.shot-list{display:flex;flex-direction:column;gap:8px;max-height:640px;overflow:auto;padding-right:2px}
.shot-row{
  display:grid;grid-template-columns:auto auto 1fr;gap:4px 12px;align-items:center;text-align:left;
  border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;padding:10px 12px;cursor:pointer;
  transition:border-color .15s ease,background .15s ease;
}
.shot-row:hover{border-color:#c7cde0}
.shot-row.sel{border-color:var(--accent);background:var(--accent-soft)}
.shot-row .num{font-family:var(--mono);font-size:12px;font-weight:600;color:var(--faint)}
.shot-row.sel .num{color:var(--accent)}
.shot-row .time{font-family:var(--mono);font-size:12px;color:var(--muted)}
.shot-row .purpose{font-size:13px;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.shot-row .visual{grid-column:1 / -1;font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.editor-form{display:flex;flex-direction:column;gap:14px}
.field-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field-label em{font-style:normal;font-weight:400;color:var(--faint);font-size:12px;margin-left:4px}

/* ---------- 记录 / 积分 / 日志 ---------- */
.lib-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:20px}
.count-pill{font-size:12.5px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:4px 12px;background:#fff;white-space:nowrap}
.balance-card{display:flex;align-items:baseline;gap:8px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;box-shadow:var(--shadow);padding:10px 16px;white-space:nowrap}
.balance-card span{font-size:12.5px;color:var(--muted)}
.balance-card strong{font-size:22px;font-weight:700;color:var(--accent);letter-spacing:-.01em}
.balance-card small{font-size:12px;color:var(--muted)}
.table{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;box-shadow:var(--shadow);overflow:hidden}
.t-head,.t-row{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1.3fr) .9fr .6fr 1fr auto;gap:12px;align-items:center;padding:12px 16px}
.t-head{background:var(--soft);border-bottom:1px solid var(--line);font-size:12px;font-weight:550;color:var(--muted)}
.t-row{border-top:1px solid var(--line-2)}
.t-row:first-of-type{border-top:0}
.t-row .file{display:flex;align-items:center;gap:10px;min-width:0}
.t-row .file .ic{color:var(--accent);flex:none}
.t-row .file b{font-size:13.5px;font-weight:550;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.t-row>span{font-size:13px;color:var(--ink-2);min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:6px;padding:52px 20px;text-align:center;color:var(--muted)}
.empty-state .ic{color:#cbd5e1;margin-bottom:6px}
.empty-state strong{font-size:14px;color:var(--ink-2);font-weight:600}
.empty-state span{font-size:12.5px}
.row-list{display:flex;flex-direction:column}
.row-item{display:flex;align-items:center;gap:14px;padding:14px 16px;border-top:1px solid var(--line-2)}
.row-item:first-child{border-top:0}
.row-item .badge-ic{width:36px;height:36px;flex:none;border-radius:9px;display:grid;place-items:center}
.badge-ic.gain{background:var(--green-soft);color:var(--green)}
.badge-ic.spend{background:var(--amber-soft);color:var(--amber)}
.row-item .meta{flex:1;min-width:0}
.row-item .meta strong{display:block;font-size:13.5px;font-weight:550;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row-item .meta span{font-size:12px;color:var(--muted)}
.amount{font-size:15px;font-weight:650;font-variant-numeric:tabular-nums}
.amount.gain{color:var(--green)}
.amount.spend{color:var(--amber)}
.log-status{flex:none;width:44px;text-align:center;font-family:var(--mono);font-size:11.5px;font-weight:600;border-radius:6px;padding:3px 0;background:#f1f5f9;color:var(--ink-2)}
.log-status.error{background:var(--red-soft);color:var(--red)}
.row-item code{font-family:var(--mono);font-size:11.5px;color:var(--muted);background:var(--soft);border:1px solid var(--line-2);border-radius:5px;padding:2px 7px;word-break:break-all}

/* ---------- 设置 ---------- */
.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px}
.account-card{text-align:center;padding:28px 20px}
.account-card .avatar{margin:0 auto 12px}
.account-card h2{font-size:16px;margin-bottom:2px}
.account-card>p{font-size:12.5px;color:var(--muted);margin-bottom:18px}
.account-facts{display:flex;flex-direction:column;border-top:1px solid var(--line-2)}
.account-facts .fact{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--line-2);font-size:13px}
.account-facts .fact span{color:var(--muted)}
.account-facts .fact strong{font-weight:600}
.account-card .fine{margin-top:16px;font-size:11.5px;color:var(--faint);line-height:1.6}
.save-flag{display:inline-flex;align-items:center;gap:6px;color:var(--green);font-size:13px;font-weight:550}

/* ---------- 帮助 ---------- */
.help-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:12px;align-items:center;margin-bottom:20px}
.flow-card{display:flex;flex-direction:column;align-items:flex-start;gap:6px;padding:16px 18px}
.flow-card .ic{color:var(--accent)}
.flow-card strong{font-size:14px;font-weight:600}
.flow-card span{font-size:12.5px;color:var(--muted)}
.help-flow>.ic{color:var(--faint)}
.faq-list{display:flex;flex-direction:column}
.faq-item{border-top:1px solid var(--line-2)}
.faq-item:first-child{border-top:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;padding:14px 4px;cursor:pointer;text-align:left;
  font-size:14px;font-weight:550;color:var(--ink);
}
.faq-q .pm{flex:none;width:22px;height:22px;border-radius:6px;border:1px solid var(--line);display:grid;place-items:center;color:var(--muted);font-weight:400;transition:all .15s ease}
.faq-item.open .faq-q .pm{background:var(--accent-soft);border-color:transparent;color:var(--accent)}
.faq-a{padding:0 4px 16px;font-size:13.5px;color:var(--ink-2);line-height:1.7;max-width:760px}
.diag-card{display:flex;gap:14px;align-items:flex-start;padding:18px 20px}
.diag-card .ic{color:var(--accent);margin-top:2px}
.diag-card strong{display:block;font-size:14px;font-weight:600;margin-bottom:2px}
.diag-card p{font-size:13px;color:var(--muted);line-height:1.65}

/* ---------- 登录页 ---------- */
.auth-page{min-height:100vh;display:grid;grid-template-columns:minmax(420px,5fr) 6fr}
.auth-story{display:flex;flex-direction:column;padding:44px 48px;border-right:1px solid var(--line);background:#fff}
.auth-story .mid{margin:auto 0;max-width:420px}
.auth-story .eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--accent);margin-bottom:14px}
.auth-story h1{font-size:26px;line-height:1.4;margin-bottom:12px}
.auth-story .lead{color:var(--muted);font-size:14px;margin-bottom:28px}
.auth-feats{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line-2)}
.auth-feats .fr{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line-2)}
.auth-feats .ic{color:var(--accent);margin-top:3px}
.auth-feats strong{display:block;font-size:13.5px;font-weight:600}
.auth-feats span{font-size:12.5px;color:var(--muted)}
.auth-story .foot{font-size:12px;color:var(--faint)}
.auth-panel{display:flex;align-items:center;justify-content:center;background:var(--soft);padding:40px 24px}
.auth-card{width:100%;max-width:400px;padding:32px}
.auth-card h2{font-size:19px;margin-bottom:4px}
.auth-card>p{font-size:13px;color:var(--muted);margin-bottom:20px}
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:3px;background:#f1f5f9;border-radius:var(--r-sm);padding:3px;margin-bottom:20px}
.auth-tabs button{
  height:32px;border:0;border-radius:6px;background:transparent;cursor:pointer;
  font-size:13.5px;font-weight:550;color:var(--muted);transition:background .15s ease,color .15s ease;
}
.auth-tabs button.on{background:#fff;color:var(--ink);box-shadow:var(--shadow)}
.auth-form{display:flex;flex-direction:column;gap:14px}
.auth-note{margin-top:14px;font-size:12px;color:var(--faint);text-align:center}

/* ---------- 全局加载 / 启动错误 ---------- */
.boot-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;background:#fff}
.boot-screen .bname{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700}
.boot-error{max-width:420px;text-align:center;display:flex;flex-direction:column;gap:14px;align-items:center}

/* ---------- Toast ---------- */
.toast-wrap{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:100;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{
  display:flex;align-items:center;gap:8px;background:var(--ink);color:#fff;
  font-size:13px;font-weight:500;border-radius:var(--r-sm);padding:9px 16px;
  box-shadow:var(--shadow-md);animation:toast-in .18s ease;
}
@keyframes toast-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.toast.out{opacity:0;transition:opacity .25s ease}

.mobile-only{display:none}

/* ---------- 响应式：≤1080px 侧栏收为图标栏 ---------- */
@media (max-width:1080px){
  .shell{grid-template-columns:72px minmax(0,1fr)}
  .sidebar{padding:16px 10px;align-items:center}
  .brand{padding:2px 0 14px}
  .brand .name,.brand .sub{display:none}
  .nav-item{justify-content:center;padding:10px}
  .nav-item span,.nav-item em{display:none}
  .sidebar-bottom{width:100%}
  .user-card .meta{display:none}
  .user-card{justify-content:center;padding:8px 0}
  .page{padding:32px 28px 64px}
  .grid-side{grid-template-columns:minmax(0,1fr) 280px}
  .result-grid{grid-template-columns:200px minmax(280px,1fr)}
  .result-grid .editor-col{grid-column:1 / -1}
  .vsettings-grid{grid-template-columns:1fr 1fr}
}

/* ---------- 响应式：≤760px 底部导航 ---------- */
@media (max-width:760px){
  .mobile-only{display:initial}
  .shell{display:block}
  .sidebar{
    position:fixed;top:auto;bottom:0;left:0;right:0;height:64px;width:100%;
    flex-direction:row;align-items:stretch;justify-content:space-around;
    padding:6px 8px calc(6px + env(safe-area-inset-bottom));
    border-right:0;border-top:1px solid var(--line);box-shadow:0 -1px 2px rgba(15,23,42,.04);
  }
  .brand,.user-card,.nav-item em,.sidebar .nav-item[data-nav="ideas"],
  .sidebar .nav-item[data-nav="logs"],.sidebar .nav-item[data-nav="help"],
  .sidebar .nav-item[data-act="logout"]{display:none}
  .nav-list{flex-direction:row;flex:1;justify-content:space-around}
  .sidebar-bottom{margin:0;padding:0;border:0;flex-direction:row;align-items:stretch}
  .nav-item{flex-direction:column;gap:3px;justify-content:center;padding:4px 6px;font-size:10px;border-radius:8px;min-width:56px}
  .nav-item span{display:block;font-size:10px}
  .page{padding:24px 16px 96px}
  .page-head{display:block}
  .page-head h1{font-size:19px}
  .conn{margin-top:12px}
  .steps{gap:0}
  .step strong{display:none}
  .steps>.line{margin:0 8px}
  .smart-steps{gap:6px}
  .smart-steps li{font-size:11.5px;white-space:nowrap}
  .smart-steps .sep{width:14px;flex:none}
  .grid-side{display:block}
  .grid-side>.side-col{margin-top:16px}
  .brief-grid{grid-template-columns:1fr}
  .vsettings-grid{grid-template-columns:1fr}
  .results-head{flex-wrap:wrap;gap:10px}
  .results-head .title{flex-basis:100%;order:-1}
  .summary-strip{grid-template-columns:1fr 1fr}
  .summary-strip>div{padding:12px 14px}
  .summary-strip>div:nth-child(2){border-right:0}
  .summary-strip>div:nth-child(1),.summary-strip>div:nth-child(2){border-bottom:1px solid var(--line-2)}
  .summary-strip>div:first-child{padding-left:14px}
  .summary-strip>div:last-child{grid-column:1 / -1;padding-right:14px}
  .condensed-head{flex-direction:column;align-items:flex-start}
  .gen-result{grid-template-columns:1fr}
  .result-grid{display:block}
  .result-grid>.media-col{margin-bottom:16px}
  .result-grid>.shots-col{margin-bottom:16px}
  .shot-list{max-height:none}
  .t-head{display:none}
  .t-row{grid-template-columns:minmax(0,1fr) auto;gap:6px 12px}
  .t-row>span:nth-child(2),.t-row>span:nth-child(4),.t-row>span:nth-child(5){display:none}
  .settings-grid{grid-template-columns:1fr}
  .help-flow{grid-template-columns:1fr}
  .help-flow>.ic{display:none}
  .auth-page{display:block}
  .auth-story{padding:28px 24px;border-right:0;border-bottom:1px solid var(--line)}
  .auth-story .mid{margin:24px 0}
  .auth-story h1{font-size:21px}
  .auth-story .foot{display:none}
  .auth-feats{display:none}
  .auth-panel{padding:28px 16px 48px}
  .auth-card{padding:24px 20px}
  .field-pair{grid-template-columns:1fr}
}
.gen-warn{display:flex;align-items:flex-start;gap:8px;margin-top:10px;padding:10px 12px;border:1px solid #fcd34d;background:#fffbeb;color:#92400e;font-size:12.5px;line-height:1.6;border-radius:8px}
.gen-warn svg{flex:0 0 auto;margin-top:2px}

/* 产品图替换阶段（步骤3） */
.frame-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.frame-item{position:relative;padding:0;border:2px solid var(--line);border-radius:10px;overflow:hidden;cursor:pointer;background:var(--soft);display:block;width:100%;transition:border-color .15s,box-shadow .15s}
.frame-item:hover:not(:disabled){border-color:var(--accent)}
.frame-item:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.frame-item.sel{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-ring)}
.frame-item:disabled{cursor:default;opacity:.75}
.frame-item img{display:block;width:100%;aspect-ratio:9/16;object-fit:cover}
.frame-item .tag{position:absolute;left:6px;bottom:6px;background:rgba(15,23,42,.6);color:#fff;font-size:11px;padding:2px 7px;border-radius:6px;line-height:1.4}
.composite-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px}
.composite-actions .muted-hint{font-size:12px;color:var(--faint);flex:1;min-width:180px;line-height:1.5}
.composite-preview{margin-top:14px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--soft)}
.composite-preview img{display:block;width:100%;max-height:440px;object-fit:contain}
.gen-note{margin-top:12px}
.gen-note.ok{color:var(--green)}