:root{
  --bg:#f5f7fc;
  --panel:#ffffff;
  --ink:#1f2937;
  --muted:#6b7280;
  --line:#e5eaf3;
  --accent:#3b59e9;
  --accent-soft:#eef2ff;
  --accent-2:#2563eb;
  --ok:#059669;
  --warn:#d97706;
  --err:#ef4444;
  --side:#ffffff;
  --side-text:#374151;
  --radius:12px;
  --shadow:0 4px 16px rgba(59,89,233,.06);
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:var(--font);color:var(--ink);background:var(--bg)}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.layout{display:flex;min-height:100vh}
.sidebar{width:240px;background:var(--side);color:var(--side-text);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:14px 12px;position:sticky;top:0;height:100vh;flex:0 0 240px;transition:width .2s ease,flex-basis .2s ease,padding .2s ease;overflow:hidden}
.brand-row{display:flex;align-items:flex-start;justify-content:space-between;gap:6px;padding:4px 4px 14px;border-bottom:1px solid var(--line);margin-bottom:12px}
.brand{font-size:18px;font-weight:750;letter-spacing:.02em;color:var(--accent);min-width:0;padding:4px 6px 0}
.brand small{display:block;font-size:12px;color:var(--muted);font-weight:500;margin-top:4px;white-space:nowrap}
.sidebar-toggle{flex:0 0 auto;width:32px;height:32px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--accent);font-size:18px;line-height:1;cursor:pointer;display:inline-grid;place-items:center;padding:0}
.sidebar-toggle:hover{background:var(--accent-soft);border-color:#c7d2fe}
.topbar-sidebar-toggle{display:none}
.nav a{display:flex;align-items:center;gap:8px;color:#64748b;padding:9px 12px;border-radius:10px;margin-bottom:4px;font-size:14px;text-decoration:none;white-space:nowrap}
.nav a:hover{background:var(--accent-soft);color:var(--accent);text-decoration:none}
.nav a.active{background:var(--accent-soft);color:var(--accent);font-weight:650;box-shadow:inset 3px 0 0 var(--accent)}
.nav .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.nav-label{min-width:0;overflow:hidden;text-overflow:ellipsis}
.nav-group{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#94a3b8;padding:14px 12px 6px;white-space:nowrap}
.sidebar-foot{margin-top:auto;padding:12px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);white-space:nowrap}
.sidebar-foot a{color:var(--accent)}
.sidebar-foot-logout{display:none}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 24px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.92);backdrop-filter:blur(8px);position:sticky;top:0;z-index:10}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.topbar h1{margin:0;font-size:20px;font-weight:750;color:var(--ink)}
.topbar .actions{display:flex;gap:8px;flex-wrap:wrap}
/* 折叠态 */
html.sidebar-collapsed-pending .layout .sidebar,
.layout.is-collapsed .sidebar{width:72px;flex-basis:72px;padding:12px 8px}
html.sidebar-collapsed-pending .layout .brand,
.layout.is-collapsed .brand{font-size:0;padding:6px 0 0}
html.sidebar-collapsed-pending .layout .brand::before,
.layout.is-collapsed .brand::before{content:"OA";font-size:16px;font-weight:800;color:var(--accent);letter-spacing:.02em}
html.sidebar-collapsed-pending .layout .brand small,
.layout.is-collapsed .brand small,
html.sidebar-collapsed-pending .layout .nav-group,
.layout.is-collapsed .nav-group,
html.sidebar-collapsed-pending .layout .nav-label,
.layout.is-collapsed .nav-label,
html.sidebar-collapsed-pending .layout .sidebar-foot-name,
.layout.is-collapsed .sidebar-foot-name,
html.sidebar-collapsed-pending .layout .sidebar-foot-meta,
.layout.is-collapsed .sidebar-foot-meta{display:none}
html.sidebar-collapsed-pending .layout .brand-row,
.layout.is-collapsed .brand-row{justify-content:center;padding-bottom:10px}
html.sidebar-collapsed-pending .layout .sidebar-toggle,
.layout.is-collapsed .sidebar-toggle{display:none}
html.sidebar-collapsed-pending .layout .topbar-sidebar-toggle,
.layout.is-collapsed .topbar-sidebar-toggle{display:inline-grid}
html.sidebar-collapsed-pending .layout .nav a,
.layout.is-collapsed .nav a{justify-content:center;padding:10px 0}
html.sidebar-collapsed-pending .layout .nav .dot,
.layout.is-collapsed .nav .dot{width:8px;height:8px}
html.sidebar-collapsed-pending .layout .sidebar-foot,
.layout.is-collapsed .sidebar-foot{padding:10px 0;text-align:center}
html.sidebar-collapsed-pending .layout .sidebar-foot-logout,
.layout.is-collapsed .sidebar-foot-logout{display:inline-block;font-size:11px;padding:4px 0}
.content{padding:22px 24px 40px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px;overflow:hidden}
.panel-hd{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line);background:#fff}
.panel-hd h2{margin:0;font-size:15px;color:var(--ink)}
.panel-bd{padding:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:999px;padding:8px 16px;font-size:13px;cursor:pointer;text-decoration:none;font-weight:600}
.btn:hover{filter:brightness(1.06);text-decoration:none;color:#fff}
.btn-ghost{background:var(--accent-soft);color:var(--accent);border-color:transparent}
.btn-ghost:hover{background:#e0e7ff;color:var(--accent)}
.btn-danger{background:var(--err);border-color:var(--err);color:#fff}
.btn-sm{padding:5px 12px;font-size:12px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group.full{grid-column:1/-1}
.form-group label{font-size:13px;font-weight:600}
.form-control,.form-group input,.form-group select,.form-group textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:9px 11px;font:inherit;background:#fff}
.form-group textarea{min-height:96px;resize:vertical}
.form-control:focus,.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(59,89,233,.12)}
.req{color:var(--err)}
.table-wrap{overflow:auto}
table.data{width:100%;border-collapse:collapse;font-size:13px}
table.data th,table.data td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.data th{font-size:12px;color:var(--muted);font-weight:650;background:#f8faff}
.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:650}
.badge-pending{background:#fff7ed;color:#ea580c}
.badge-revision{background:#fef3c7;color:#d97706}
.badge-approved{background:var(--accent-soft);color:var(--accent)}
.badge-used{background:#dcfce7;color:#059669}
.badge-archived{background:#f1f5f9;color:#64748b}
.badge-task-open{background:#fff7ed;color:#ea580c}
.badge-task-submitted{background:var(--accent-soft);color:var(--accent)}
.badge-task-done{background:#dcfce7;color:#059669}
.badge-task-cancelled{background:#f1f5f9;color:#64748b}
.badge-prio-normal{background:#f1f5f9;color:#64748b}
.badge-prio-high{background:#fef3c7;color:#d97706}
.badge-prio-urgent{background:#fee2e2;color:#ef4444}
.flash{padding:10px 14px;border-radius:10px;margin-bottom:14px;font-size:13px}
.flash-success{background:#ecfdf5;color:var(--ok);border:1px solid #a7f3d0}
.flash-error{background:#fef2f2;color:var(--err);border:1px solid #fecaca}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:16px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow);border-top:3px solid transparent}
.stat:first-child{border-top-color:var(--accent);background:linear-gradient(180deg,var(--accent-soft),#fff 48%)}
.stat .n{font-size:24px;font-weight:800;color:var(--accent)}
.stat .l{font-size:12px;color:var(--muted);margin-top:4px}
.media-preview{max-width:100%;border-radius:12px;border:1px solid var(--line);background:#0f172a}
.media-preview img,.media-preview video{display:block;max-width:100%;max-height:480px;margin:0 auto}
.asset-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.asset-grid.asset-grid-3,
.asset-grid.asset-grid-5{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:14px;
  align-items:stretch;
}
.asset-card{
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  background:#fff;
  display:flex;
  flex-direction:column;
  min-width:0;
}
.asset-thumb{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:1 / 1;
  min-height:140px;
  background:#0f172a;
  overflow:hidden;
  flex:0 0 auto;
}
.asset-thumb img,.asset-thumb video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.asset-thumb img.js-lightbox{cursor:zoom-in}
.asset-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:42px;height:42px;border-radius:50%;background:rgba(0,0,0,.55);color:#fff;display:grid;place-items:center;font-size:14px;pointer-events:none;z-index:2}
.asset-status{position:absolute;left:8px;top:8px;z-index:2}
.asset-use-tag{position:absolute;right:8px;top:8px;z-index:2}
.asset-check{position:absolute;left:8px;bottom:8px;z-index:3;background:rgba(255,255,255,.92);border-radius:6px;padding:4px 6px;display:flex;align-items:center}
.asset-card.is-candidate{border-color:#93c5fd;background:linear-gradient(180deg,var(--accent-soft),#fff 40%);box-shadow:0 0 0 1px rgba(59,89,233,.18)}
.asset-card.is-pending{border-color:#fdba74}
.asset-meta{padding:12px 14px 14px;display:flex;flex-direction:column;gap:6px;flex:1}
.asset-title{font-weight:700;font-size:14px;color:var(--ink);text-decoration:none;line-height:1.35}
.asset-title:hover{color:var(--accent)}
.asset-sub{font-size:12px;color:var(--muted);line-height:1.4;word-break:break-word}
.list-thumb{display:block;width:72px;height:72px;border-radius:8px;overflow:hidden;background:#0f172a;position:relative;flex-shrink:0}
.list-thumb img,.list-thumb video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.filter-chips .btn{text-decoration:none}
.filter-panel .panel-bd{padding-top:14px;padding-bottom:14px}
.filter-bar{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.filter-search{flex:1 1 220px;min-width:180px}
.filter-caret{display:inline-block;margin-left:2px;font-size:11px;opacity:.75}
.filter-drawer{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.filter-drawer[hidden]{display:none!important}
.filter-active-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.filter-tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:600}
@media (max-width:1400px){
  .asset-grid.asset-grid-3,
  .asset-grid.asset-grid-5{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (max-width:1100px){
  .asset-grid.asset-grid-3,
  .asset-grid.asset-grid-5{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:800px){
  .asset-grid.asset-grid-3,
  .asset-grid.asset-grid-5{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:560px){
  .asset-grid.asset-grid-3,
  .asset-grid.asset-grid-5{grid-template-columns:1fr}
  .asset-thumb{min-height:220px}
}
.lightbox{position:fixed;inset:0;z-index:1000;background:rgba(12,10,9,.88);display:grid;place-items:center;padding:24px;cursor:zoom-out}
.lightbox[hidden]{display:none!important}
.lightbox-close{position:absolute;top:16px;right:20px;width:40px;height:40px;border:0;border-radius:50%;background:rgba(255,255,255,.15);color:#fff;font-size:28px;line-height:1;cursor:pointer;z-index:3}
.task-attach-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.task-attach-item{border:1px solid var(--line);border-radius:12px;padding:8px;background:#fff}
.task-attach-img{display:block;aspect-ratio:1;overflow:hidden;border-radius:8px;background:#0f172a}
.task-attach-img img,.task-attach-item>a>img{width:100%;height:100%;object-fit:cover;display:block;border-radius:8px}
.task-attach-item>a>img{aspect-ratio:1;object-fit:cover}
.task-attach-file{padding:14px 8px;min-height:80px;display:flex;flex-direction:column;justify-content:center;word-break:break-all}
.pager{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:16px;padding-top:12px;border-top:1px solid var(--line);font-size:13px}
.pager-info{color:var(--muted)}
.pager-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.pager-ellipsis{color:var(--muted);padding:0 2px}
.lightbox-inner{position:relative;max-width:min(1100px,96vw);max-height:92vh;display:flex;flex-direction:column;align-items:center;gap:10px;cursor:default}
.lightbox-inner img,.lightbox-inner video{max-width:100%;max-height:82vh;object-fit:contain;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.45)}
.lightbox-caption{color:rgba(255,255,255,.85);font-size:13px;text-align:center}
.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.18);color:#fff;font-size:22px;cursor:pointer;z-index:2}
.lightbox-nav:hover{background:rgba(255,255,255,.3)}
.lightbox-prev{left:12px}
.lightbox-next{right:12px}
.modal{position:fixed;inset:0;z-index:1100;background:rgba(12,10,9,.55);display:grid;place-items:center;padding:20px}
.modal[hidden]{display:none!important}
.modal-card{width:min(440px,100%);background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:0 24px 60px rgba(0,0,0,.25);overflow:hidden}
.modal-hd{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line)}
.modal-hd h3{margin:0;font-size:16px}
.modal-x{width:34px;height:34px;border:0;border-radius:8px;background:transparent;font-size:22px;cursor:pointer;color:var(--muted);line-height:1}
.modal-x:hover{background:var(--line);color:var(--ink)}
.modal-bd{padding:16px}
.link-btn{background:none;border:0;padding:0;margin:0;color:var(--accent);font:inherit;cursor:pointer}
.link-btn:hover{text-decoration:underline}
.upload-progress{margin:14px 0;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fff}
.upload-progress[hidden]{display:none!important}
.upload-preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px;margin-bottom:12px}
.upload-preview-item{display:flex;flex-direction:column;gap:6px;min-width:0}
.upload-preview-wrap{position:relative}
.upload-preview-remove{position:absolute;top:6px;right:6px;z-index:2;width:24px;height:24px;border:0;border-radius:50%;background:rgba(15,23,42,.72);color:#fff;font-size:16px;line-height:1;cursor:pointer;display:grid;place-items:center;padding:0}
.upload-preview-remove:hover{background:var(--err)}
.upload-preview-thumb{position:relative;display:block;width:100%;aspect-ratio:1;border:1px solid var(--line);border-radius:10px;overflow:hidden;padding:0;background:var(--accent-soft);cursor:zoom-in}
.upload-preview-thumb img,.upload-preview-thumb video{width:100%;height:100%;object-fit:cover;display:block}
.upload-preview-thumb.is-video,.upload-preview-thumb.is-file{cursor:default}
.upload-preview-thumb.is-file{display:grid;place-items:center;color:var(--muted);font-size:13px;font-weight:650}
.upload-preview-badge{position:absolute;left:6px;bottom:6px;padding:2px 6px;border-radius:6px;background:rgba(0,0,0,.65);color:#fff;font-size:11px}
.upload-preview-meta{min-width:0}
.upload-preview-name{display:block;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ink)}
.upload-preview-size{display:block;font-size:11px;color:var(--muted);margin-top:2px}
.upload-progress-hd{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px;font-size:13px;font-weight:650}
.upload-progress-pct{color:var(--accent);font-variant-numeric:tabular-nums}
.upload-progress-bar{height:10px;border-radius:999px;background:var(--accent-soft);overflow:hidden}
.upload-progress-bar>i{display:block;height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,#3b59e9,#60a5fa);transition:width .15s linear}
.upload-progress-sub{margin-top:8px}
.upload-progress.is-done .upload-progress-bar>i{background:#166534}
.upload-progress.is-error .upload-progress-bar>i{background:#b91c1c}
.upload-progress.is-error .upload-progress-pct{color:#b91c1c}
.upload-lightbox{position:fixed;inset:0;z-index:10000;background:rgba(15,23,22,.82);display:grid;place-items:center;padding:24px;cursor:zoom-out}
.upload-lightbox img{max-width:min(96vw,1200px);max-height:90vh;object-fit:contain;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.45)}
.upload-lightbox-x{position:fixed;top:16px;right:18px;width:40px;height:40px;border:0;border-radius:10px;background:rgba(255,255,255,.12);color:#fff;font-size:24px;line-height:1;cursor:pointer}
.activity-list{list-style:none;margin:0;padding:0}
.activity-item{display:grid;grid-template-columns:150px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.activity-item:last-child{border-bottom:0}
.activity-time{font-size:12px;color:var(--muted);padding-top:2px}
.activity-title{font-size:14px}
.activity-detail{margin-top:4px;font-size:13px;color:var(--ink);word-break:break-word}
.version-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}
.version-card{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.version-card.is-current{border-color:var(--accent);box-shadow:0 0 0 1px rgba(59,89,233,.25);background:linear-gradient(180deg,var(--accent-soft),#fff 55%)}
.version-thumb{display:block;aspect-ratio:1;background:var(--accent-soft);overflow:hidden}
.version-thumb img,.version-thumb video{width:100%;height:100%;object-fit:cover;display:block}
.version-meta{padding:8px 10px;font-size:12px}
.version-meta .v-no{font-weight:700}
@media (max-width:640px){
  .activity-item{grid-template-columns:1fr;gap:4px}
}
.empty{padding:28px;text-align:center;color:var(--muted);font-size:14px}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:
  radial-gradient(1000px 500px at 10% -10%, rgba(59,89,233,.16), transparent 60%),
  radial-gradient(800px 400px at 100% 0%, rgba(96,165,250,.14), transparent 55%),
  var(--bg)}
.login-card{width:min(420px,100%);background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--shadow)}
.login-card h1{margin:0 0 6px;font-size:24px;color:var(--accent)}
.login-card p{margin:0 0 18px;color:var(--muted);font-size:13px}
.hint{font-size:12px;color:var(--muted)}
.switch,
.form-group label.switch{
  display:inline-flex;
  align-items:center;
  gap:10px;
  cursor:pointer;
  user-select:none;
  font-weight:500;
  margin:0;
}
.switch input{
  position:absolute;
  opacity:0;
  width:1px;
  height:1px;
  pointer-events:none;
}
.switch-slider{
  position:relative;
  width:44px;
  height:24px;
  border-radius:999px;
  background:#cbd5e1;
  flex:0 0 auto;
  transition:background .2s ease;
}
.switch-slider::after{
  content:"";
  position:absolute;
  top:2px;
  left:2px;
  width:20px;
  height:20px;
  border-radius:50%;
  background:#fff;
  box-shadow:0 1px 3px rgba(15,23,42,.25);
  transition:transform .2s ease;
}
.switch input:checked + .switch-slider{background:var(--accent)}
.switch input:checked + .switch-slider::after{transform:translateX(20px)}
.switch input:focus-visible + .switch-slider{box-shadow:0 0 0 3px rgba(59,89,233,.2)}
.switch-text{font-size:13px;color:var(--ink)}
@media (max-width:860px){
  .layout{flex-direction:column}
  .sidebar{width:100%;height:auto;position:relative;flex-basis:auto}
  html.sidebar-collapsed-pending .layout .sidebar,
  .layout.is-collapsed .sidebar{width:100%;flex-basis:auto;padding:12px}
  html.sidebar-collapsed-pending .layout .brand,
  .layout.is-collapsed .brand{font-size:18px}
  html.sidebar-collapsed-pending .layout .brand::before,
  .layout.is-collapsed .brand::before{content:none}
  html.sidebar-collapsed-pending .layout .brand small,
  .layout.is-collapsed .brand small,
  html.sidebar-collapsed-pending .layout .nav-group,
  .layout.is-collapsed .nav-group,
  html.sidebar-collapsed-pending .layout .nav-label,
  .layout.is-collapsed .nav-label,
  html.sidebar-collapsed-pending .layout .sidebar-foot-name,
  .layout.is-collapsed .sidebar-foot-name,
  html.sidebar-collapsed-pending .layout .sidebar-foot-meta,
  .layout.is-collapsed .sidebar-foot-meta{display:revert}
  html.sidebar-collapsed-pending .layout .nav a,
  .layout.is-collapsed .nav a{justify-content:flex-start;padding:9px 12px}
  .sidebar-toggle,.topbar-sidebar-toggle,.sidebar-foot-logout{display:none!important}
  .form-grid{grid-template-columns:1fr}
  .content,.topbar{padding-left:14px;padding-right:14px}
}