:root{--ink:#18212f;--muted:#6f7888;--line:#e4e7ec;--paper:#f7f8fa;--panel:#fff;--navy:#20334d;--blue:#2d69b3;--blue-soft:#eaf2fb;--green:#167a61;--green-soft:#e7f5ef;--amber:#a46c12;--amber-soft:#fff5dc;--red:#b64b4b;--red-soft:#fff0ef;--shadow:0 8px 28px rgba(31,45,67,.08)}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:13px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
button,input,select,textarea{font:inherit}button{cursor:pointer}.shell{display:flex;min-height:100vh}
.sidebar{width:238px;background:#1f2d40;color:#dbe5f0;padding:22px 14px;display:flex;flex-direction:column}
.brand{padding:0 12px 24px;border-bottom:1px solid rgba(255,255,255,.12)}.brand-kicker{font-size:11px;letter-spacing:.12em;color:#9fb4cd;text-transform:uppercase}
.brand h1{font-size:20px;line-height:1.25;margin:7px 0 0;color:#fff;font-weight:650}.nav{padding-top:18px}.nav-title{font-size:11px;color:#8196ae;padding:0 12px 8px}.section-gap{margin-top:20px}
.nav button,.nav-link{display:flex;align-items:center;gap:10px;width:100%;border:0;background:transparent;color:#bdcbd9;text-align:left;padding:10px 12px;border-radius:5px;margin:2px 0;text-decoration:none}.nav button:hover,.nav-link:hover{background:rgba(255,255,255,.07);color:#fff}.nav button.active{background:#304762;color:#fff;box-shadow:inset 3px 0 0 #73a5df}.nav-icon{width:18px;text-align:center;font-size:14px;opacity:.9}.nav-count{margin-left:auto}
.sidebar-foot{margin-top:auto;padding:15px 12px 2px;border-top:1px solid rgba(255,255,255,.12);font-size:11px;color:#8196ae}.main{flex:1;min-width:0}
.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 30px}.crumb{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}.crumb strong{color:var(--ink);font-weight:600}.top-actions{display:flex;align-items:center;gap:10px}.sync{font-size:12px;color:var(--muted);margin-right:8px}
.btn{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:5px;padding:8px 12px;display:inline-flex;align-items:center;gap:7px;font-weight:550}.btn:hover{border-color:#b7c1cf;background:#fafbfd}.btn.primary{background:var(--navy);color:#fff;border-color:var(--navy)}.btn.primary:hover{background:#2d4563}.btn.ghost{border-color:transparent;background:transparent}
.content{padding:28px 30px 40px;max-width:1600px;margin:0 auto}.page-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:22px}.eyebrow{font-size:11px;letter-spacing:.08em;color:var(--blue);font-weight:700;margin-bottom:5px}.page-head h2{font-size:25px;line-height:1.2;margin:0 0 6px;font-weight:700}.page-head p{margin:0;color:var(--muted);font-size:13px}.head-actions{display:flex;gap:9px;align-items:center}
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:22px}.kpi{background:var(--panel);border:1px solid var(--line);padding:16px 17px;min-height:96px}.kpi-label{color:var(--muted);font-size:12px;margin-bottom:8px}.kpi-row{display:flex;justify-content:space-between;align-items:end}.kpi-value{font-size:27px;line-height:1;font-weight:700}.kpi-note{font-size:11px;color:var(--muted)}.kpi-note.good{color:var(--green)}.progress{height:4px;background:#edf0f3;margin-top:13px}.progress i{display:block;height:100%;background:#6c9bd2;width:0}.progress i.pass{background:#40a883}
.workspace{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}.toolbar{padding:13px 15px;border-bottom:1px solid var(--line);display:flex;gap:10px;align-items:center;flex-wrap:wrap}.search{position:relative;flex:1;min-width:210px}.search span{position:absolute;left:11px;top:8px;color:#8b95a4}.search input{width:100%;border:1px solid var(--line);border-radius:4px;padding:8px 10px 8px 31px;outline:none}.search input:focus,.filter:focus{border-color:#82a9d4;box-shadow:0 0 0 3px #eef5fc}.filter{border:1px solid var(--line);background:#fff;border-radius:4px;padding:8px 28px 8px 10px;color:var(--ink);min-width:120px}
.batchbar{display:flex;align-items:center;gap:10px;padding:10px 15px;background:#fbfcfd;border-bottom:1px solid var(--line);min-height:45px}.batchbar .count{color:var(--muted);font-size:12px}.batchbar .spacer{flex:1}.batchbar button{border:0;background:transparent;color:var(--blue);padding:4px 6px}.table-wrap{overflow:auto}.asset-table{width:100%;border-collapse:collapse;min-width:880px}.asset-table th{background:#fafbfc;color:#778191;text-align:left;font-weight:600;font-size:11px;letter-spacing:.02em;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}.asset-table td{padding:11px 12px;border-bottom:1px solid #edf0f3;vertical-align:middle}.asset-table tr:hover td{background:#fbfdff}.asset-table tr.selected td{background:#f2f7fc}.select-col{width:34px}.action-col{width:44px}.checkbox{width:16px;height:16px;accent-color:var(--navy)}
.asset{display:flex;align-items:center;gap:10px;min-width:285px}.thumb{width:54px;height:42px;object-fit:cover;background:#e9edf2;border:1px solid #dce2e9}.asset-name{font-weight:600;max-width:225px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.asset-sub{font-size:11px;color:var(--muted);margin-top:2px}.tag{display:inline-flex;align-items:center;white-space:nowrap;border-radius:3px;padding:3px 7px;font-size:11px;font-weight:600}.tag.blue{background:var(--blue-soft);color:#35689f}.tag.green{background:var(--green-soft);color:var(--green)}.tag.amber{background:var(--amber-soft);color:var(--amber)}.tag.red{background:var(--red-soft);color:var(--red)}.tag.gray{background:#f0f2f5;color:#697385}.metric{font-variant-numeric:tabular-nums}.metric strong{font-size:13px}.metric small{display:block;color:var(--muted);font-size:10px}.status-cell button{border:0;background:transparent;padding:0}.empty{padding:50px;text-align:center;color:var(--muted)}
.detail-overlay{position:fixed;inset:0;background:rgba(15,26,40,.25);z-index:4;display:none}.detail-overlay.open{display:block}.drawer{position:absolute;right:0;top:0;height:100%;width:min(560px,100%);background:#fff;box-shadow:-10px 0 35px rgba(20,33,48,.18);display:flex;flex-direction:column}.drawer-head{padding:18px 20px 15px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:14px}.drawer-title{min-width:0}.drawer-title h3{font-size:16px;line-height:1.35;margin:0 0 5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.drawer-title p{font-size:11px;color:var(--muted);margin:0}.close{border:0;background:transparent;color:#788494;font-size:22px;line-height:1;padding:0 4px}.drawer-body{padding:18px 20px;overflow:auto}.preview{background:#1c2837;min-height:216px;display:flex;align-items:center;justify-content:center;margin-bottom:17px}.preview img{width:100%;max-height:285px;object-fit:contain}.meta-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:18px}.meta{border:1px solid var(--line);padding:10px}.meta label{display:block;font-size:10px;color:var(--muted);margin-bottom:3px}.meta strong{font-size:13px}.section-title{font-size:12px;font-weight:700;margin:17px 0 9px}.status-options{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.status-option{border:1px solid var(--line);background:#fff;border-radius:4px;text-align:left;padding:9px 10px}.status-option.active{border-color:#6d9ed4;box-shadow:0 0 0 2px #edf5fd;background:#f7fbff}.status-option b{display:block;font-size:12px}.status-option span{display:block;font-size:10px;color:var(--muted);margin-top:2px}.drawer textarea{width:100%;min-height:88px;border:1px solid var(--line);border-radius:4px;resize:vertical;padding:9px;outline:none}.drawer textarea:focus{border-color:#82a9d4;box-shadow:0 0 0 3px #eef5fc}.drawer-foot{margin-top:auto;padding:14px 20px;border-top:1px solid var(--line);display:flex;gap:9px;justify-content:flex-end}
.toast{position:fixed;right:28px;bottom:26px;background:#1f2d40;color:#fff;padding:10px 14px;border-radius:4px;box-shadow:var(--shadow);display:none;z-index:8}.toast.show{display:block}.list-footer{display:flex;justify-content:space-between;align-items:center;padding:12px 15px;color:var(--muted);font-size:11px}.pager{display:flex;gap:5px}.pager button{border:1px solid var(--line);background:#fff;border-radius:3px;padding:4px 8px;color:var(--ink)}.pager button.active{background:var(--navy);border-color:var(--navy);color:#fff}
@media(max-width:950px){.sidebar{width:202px}.content{padding:22px 18px}.topbar{padding:0 18px}.kpis{grid-template-columns:repeat(2,1fr)}.head-actions .btn.secondary{display:none}}
@media(max-width:650px){.sidebar{display:none}.content{padding:18px 12px}.topbar{height:58px}.sync{display:none}.page-head{display:block}.head-actions{margin-top:14px}.kpis{gap:8px}.kpi{padding:12px}.kpi-value{font-size:22px}.workspace{margin:0 -1px}.toolbar{padding:10px}.search{min-width:100%}.drawer{width:100%}}
.nas-preview{display:inline-flex;align-items:center;gap:4px;margin-top:4px;color:var(--blue);font-size:10px;font-weight:700;text-decoration:none;white-space:nowrap}.nas-preview:before{content:"▶";font-size:8px}.nas-preview:hover{text-decoration:underline}