:root{
  --bg:#0a0b0e;
  --bg-soft:#111318;
  --card:#15171d;
  --card-hover:#1b1e26;
  --line:#24272f;
  --text:#f2f3f5;
  --text-dim:#9aa0ac;
  --text-mute:#666c78;
  --accent:#ff6b3d;
  --accent-soft:rgba(255,107,61,.14);
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select{font-family:inherit;color:inherit}

/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:30;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 40px;
  background:rgba(10,11,14,.82);
  backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  position:relative;
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(140deg,var(--accent),#ff9f43);
  display:grid;place-items:center;font-weight:800;font-size:15px;color:#1a0d06;
  overflow:hidden;
}
.brand-mark img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;border-radius:inherit;
}
.brand-txt{display:flex;flex-direction:column;line-height:1.25}
.brand-txt b{font-size:15px;letter-spacing:.5px}
.brand-txt span{font-size:11px;color:var(--text-mute);letter-spacing:.3px;text-transform:uppercase}
.topbar-right{display:flex;align-items:center;gap:16px;font-size:13px;color:var(--text-dim)}
.stat b{color:var(--text);font-variant-numeric:tabular-nums}
.topbar a.admin-link{
  padding:7px 14px;border:1px solid var(--line);border-radius:999px;
  font-size:12px;color:var(--text-dim);transition:.18s;
}
.topbar a.admin-link:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- 筛选区 ---------- */
.filters{
  padding:26px 40px 6px;
  display:flex;flex-direction:column;gap:14px;
}
.filter-row{display:flex;align-items:flex-start;gap:14px;flex-wrap:wrap}
.filter-label{
  flex:0 0 56px;font-size:12px;color:var(--text-mute);
  padding-top:6px;letter-spacing:1px;
}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);background:transparent;
  font-size:13px;color:var(--text-dim);transition:.16s;white-space:nowrap;
}
.chip:hover{border-color:#3a3f4b;color:var(--text)}
.chip.on{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600}
.chip{display:inline-flex;align-items:center;gap:5px}
.chip.zero{opacity:.42}
.chip-n{font-style:normal;font-size:10px;opacity:.6;font-variant-numeric:tabular-nums}
.toolbar{
  padding:14px 40px 10px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.search{
  display:flex;align-items:center;gap:8px;background:var(--bg-soft);
  border:1px solid var(--line);border-radius:999px;padding:8px 16px;min-width:240px;
}
.search input{background:none;border:none;outline:none;font-size:13px;width:100%}
.search input::placeholder{color:var(--text-mute)}
.count{font-size:12px;color:var(--text-mute)}
.seg{display:flex;gap:2px;background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:3px}
.seg button{padding:5px 14px;border-radius:999px;font-size:12px;color:var(--text-dim);transition:.16s}
.seg button.on{background:#262a33;color:var(--text)}

/* ---------- 网格 ---------- */
.grid{
  padding:8px 40px 64px;
  display:grid;gap:22px;
  grid-template-columns:repeat(auto-fill,minmax(300px,1fr));
}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;cursor:pointer;transition:transform .22s cubic-bezier(.2,.8,.2,1),border-color .22s,background .22s;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);border-color:#3a3f4b;background:var(--card-hover)}
.thumb{
  position:relative;aspect-ratio:16/9;background:#0d0f13;overflow:hidden;
}
.thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease,opacity .3s}
.card:hover .thumb img{transform:scale(1.04)}
.thumb-fallback{
  position:absolute;inset:0;display:grid;place-items:center;
  background:radial-gradient(circle at 50% 35%,#20242d,#0d0f13 70%);
  color:var(--text-mute);font-size:12px;letter-spacing:2px;
}
.play-badge{
  position:absolute;right:10px;bottom:10px;
  width:34px;height:34px;border-radius:50%;
  background:rgba(0,0,0,.55);backdrop-filter:blur(6px);
  display:grid;place-items:center;opacity:0;transition:.2s;
}
.card:hover .play-badge{opacity:1}
.play-badge svg{width:14px;height:14px;fill:#fff;margin-left:2px}
.duration{
  position:absolute;left:10px;bottom:10px;
  padding:2px 7px;border-radius:5px;background:rgba(0,0,0,.62);
  font-size:11px;font-variant-numeric:tabular-nums;color:#e8eaee;
}
.ratio-badge{
  position:absolute;left:10px;top:10px;
  padding:2px 8px;border-radius:5px;background:rgba(0,0,0,.62);
  font-size:11px;color:#e8eaee;backdrop-filter:blur(4px);
}
.card-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:9px;flex:1}
.card-title{font-size:14.5px;font-weight:600;line-height:1.45;letter-spacing:.2px}
.card-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto}
.tag{
  font-size:11px;padding:3px 9px;border-radius:6px;
  background:#1e222a;color:var(--text-dim);border:1px solid #262b34;
}
.tag.type{color:#c9a0ff;border-color:#3a2b52;background:#1c1626}
.tag.industry{color:#7fd4c1;border-color:#1e3f3a;background:#132420}
.tag.scene{color:#ffc46b;border-color:#4a3a1e;background:#241c10}
.tag.ratio{color:#8fb4ff;border-color:#243c5e;background:#121a26}
.tag.more{color:var(--text-mute)}

/* ---------- 后台标签选择器 ---------- */
.picker{display:flex;flex-wrap:wrap;gap:8px;padding-top:2px}
.picker .chip{padding:5px 12px;font-size:12.5px}

/* 抽帧选封面：候选画面网格 */
.frame-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:8px;margin-top:8px}
.frame-grid:empty{display:none}
.frame-item{position:relative;padding:0;border:2px solid var(--line);border-radius:8px;overflow:hidden;background:#151820;cursor:pointer;line-height:0;transition:border-color .15s}
.frame-item img{width:100%;height:82px;object-fit:cover;display:block}
.frame-item:hover{border-color:#3a3f4b}
.frame-item.on{border-color:var(--accent)}
.frame-item .ft{position:absolute;left:6px;bottom:5px;font-size:10.5px;color:#fff;background:rgba(0,0,0,.62);padding:1px 5px;border-radius:4px;line-height:1.6}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  font-size:11.5px;color:var(--text-mute);padding-top:2px;
}
.like-mini{display:flex;align-items:center;gap:5px}
.like-mini svg{width:12px;height:12px;fill:currentColor}

/* ---------- 空态 ---------- */
.empty{
  grid-column:1/-1;text-align:center;padding:90px 20px;color:var(--text-mute);
}
.empty b{display:block;color:var(--text-dim);font-size:15px;margin-bottom:6px}

/* ---------- 播放弹层 ---------- */
.modal{
  position:fixed;inset:0;z-index:80;display:none;
  background:rgba(4,5,7,.9);backdrop-filter:blur(10px);
  padding:4vh 5vw;
}
.modal.open{display:flex;align-items:center;justify-content:center}
.modal-box{
  width:min(1180px,100%);max-height:92vh;display:flex;flex-direction:column;
  background:#0d0f13;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  box-shadow:0 40px 120px rgba(0,0,0,.7);
}
.modal-video{background:#000;max-height:66vh;display:flex;justify-content:center}
.modal-video video{width:100%;max-height:66vh;outline:none;background:#000}
.modal-info{display:flex;justify-content:space-between;gap:24px;padding:18px 24px 20px;align-items:flex-start}
.modal-info h2{font-size:17px;font-weight:600;margin-bottom:8px}
.modal-tags{display:flex;gap:6px;flex-wrap:wrap}
.modal-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
.view-count{font-size:12px;color:var(--text-mute)}
.like-btn{
  display:flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;
  border:1px solid var(--line);background:#15171d;font-size:13px;transition:.18s;
}
.like-btn:hover{border-color:#4a505e}
.like-btn svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8}
.like-btn.on{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}
.like-btn.on svg{fill:var(--accent);stroke:var(--accent)}
.close-btn{
  position:absolute;top:18px;right:22px;width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.08);display:grid;place-items:center;font-size:18px;color:#fff;
  transition:.18s;z-index:5;
}
.close-btn:hover{background:rgba(255,255,255,.18)}

/* ---------- 后台 ---------- */
.admin-wrap{max-width:1180px;margin:0 auto;padding:26px 40px 70px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;margin-bottom:20px}
.panel h3{font-size:14px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.panel h3 span{font-size:11px;color:var(--text-mute);font-weight:400}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:11.5px;color:var(--text-mute);letter-spacing:.5px}
.field input,.field select{
  background:#0e1014;border:1px solid var(--line);border-radius:9px;
  padding:9px 12px;font-size:13px;outline:none;transition:.16s;
}
.field input:focus,.field select:focus{border-color:var(--accent)}
.btn{
  padding:10px 22px;border-radius:9px;font-size:13px;font-weight:600;
  background:var(--accent);color:#170a04;transition:.18s;
}
.btn:hover{filter:brightness(1.08)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.ghost{background:#1b1e26;color:var(--text);border:1px solid var(--line)}
.btn.ghost:hover{background:#232732}
.btn.tiny{padding:5px 12px;font-size:12px;font-weight:500}
.drop{
  border:1.5px dashed #2c313b;border-radius:12px;padding:24px;text-align:center;
  color:var(--text-mute);font-size:13px;transition:.18s;cursor:pointer;
}
.drop.hover{border-color:var(--accent);color:var(--accent);background:rgba(255,107,61,.04)}
.drop input{display:none}
.progress{height:4px;background:#1b1e26;border-radius:99px;overflow:hidden;margin-top:12px;display:none}
.progress.on{display:block}
.progress i{display:block;height:100%;width:0;background:var(--accent);transition:width .2s}

table{width:100%;border-collapse:collapse;font-size:13px}
th{
  text-align:left;font-weight:500;font-size:11px;letter-spacing:1px;color:var(--text-mute);
  padding:0 10px 10px;border-bottom:1px solid var(--line);white-space:nowrap;
}
td{padding:12px 10px;border-bottom:1px solid #1b1e24;vertical-align:middle}
tr:hover td{background:#15181e}
.t-title{font-weight:600;margin-bottom:3px}
.t-sub{font-size:11.5px;color:var(--text-mute)}
.pill{
  display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:11.5px;
}
.pill.on{background:rgba(63,205,146,.13);color:#3fcd92;border:1px solid rgba(63,205,146,.25)}
.pill.off{background:#1c1f26;color:#787f8c;border:1px solid #262b34}
.row-actions{display:flex;gap:6px;justify-content:flex-end}
.login-box{
  max-width:360px;margin:14vh auto;background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:32px;
}
.login-box h2{font-size:18px;margin-bottom:6px}
.login-box p{font-size:12.5px;color:var(--text-mute);margin-bottom:22px}
.hint{font-size:11.5px;color:var(--text-mute);line-height:1.7}
.toast{
  position:fixed;left:50%;bottom:36px;transform:translateX(-50%) translateY(20px);
  background:#1f232b;border:1px solid #333945;color:#fff;padding:11px 20px;border-radius:10px;
  font-size:13px;opacity:0;pointer-events:none;transition:.25s;z-index:200;
}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{border-color:#7a2e2e;background:#2a1717}

@media (max-width:760px){
  .topbar,.filters,.toolbar,.grid,.admin-wrap{padding-left:18px;padding-right:18px}
  .grid{grid-template-columns:1fr;gap:16px}
  .modal{padding:0}
  .modal-box{max-height:100vh;border-radius:0;height:100%}
  .modal-info{flex-direction:column;gap:14px}
  .filter-label{flex-basis:100%}
}