:root{
  --nav:#12324a;--nav-deep:#0d2537;--nav-soft:#eaf1f5;--accent:#19708b;--accent-dark:#125b71;
  --bg:#f4f7f9;--card:#fff;--text:#20303c;--muted:#6b7d8a;--border:#dbe4ea;--danger:#b42318;
  --ok:#067647;--warning:#b54708;--shadow:0 8px 22px rgba(16,46,66,.06)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);line-height:1.45}
a{color:#156581;text-decoration:none}
a:hover{text-decoration:none}
button,input,select,textarea{font:inherit}
.topbar{height:72px;background:linear-gradient(90deg,var(--nav-deep),var(--nav));color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 22px;position:sticky;top:0;z-index:30;box-shadow:0 2px 8px rgba(0,0,0,.10)}
.brand-wrap,.brand,.userbox,.user-meta{display:flex;align-items:center}.brand-wrap{gap:8px}.brand{gap:11px;color:#fff}.brand:hover{color:#fff}.brandmark{width:40px;height:40px;border-radius:10px;background:#fff;color:var(--nav);display:grid;place-items:center;font-weight:900;font-size:20px}.brand small,.user-meta small{display:block;opacity:.74;margin-top:1px}.userbox{gap:13px}.user-meta{align-items:flex-end;flex-direction:column;font-size:13px}.menu-toggle{display:none;border:0;background:transparent;color:white;font-size:25px;padding:6px;cursor:pointer}
.layout{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:calc(100vh - 108px)}
.sidebar{background:#fff;border-right:1px solid var(--border);padding:18px 12px;position:relative;z-index:20}.sidebar nav{position:sticky;top:90px}.sidebar a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:#344b5a;font-weight:600;font-size:14px;margin-bottom:2px}.sidebar a:hover{background:#f1f6f8}.sidebar a.active{background:var(--nav-soft);color:#0e5972}.nav-icon{width:22px;text-align:center;font-size:18px}.nav-label{font-size:10px;text-transform:uppercase;color:#94a1ab;padding:18px 12px 7px;font-weight:800;letter-spacing:.09em}
.content{padding:28px;min-width:0;max-width:1500px;width:100%;margin:0 auto}.footer{text-align:center;color:#82909a;font-size:12px;padding:11px 16px}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:20px}.page-head h1{font-size:27px;line-height:1.15;margin:0 0 5px}.page-head .subtitle{color:var(--muted);font-size:14px}.muted{color:var(--muted)}
.grid{display:grid;gap:16px}.two-col{grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr)}.two-col-equal{grid-template-columns:1fr 1fr}.stats{grid-template-columns:repeat(4,minmax(0,1fr))}.stat{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:19px;box-shadow:var(--shadow)}.stat-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.stat b{font-size:29px;display:block;line-height:1}.stat span{color:var(--muted);font-size:13px}.stat-icon{width:38px;height:38px;border-radius:9px;background:#eef5f7;color:var(--accent);display:grid;place-items:center;font-weight:900;font-size:18px}
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:18px;box-shadow:var(--shadow)}.card h2,.card h3{margin:0 0 14px}.card-title-row{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:14px}.card-title-row h3{margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;background:var(--accent);color:#fff;border-radius:8px;padding:9px 14px;font-weight:750;cursor:pointer;font-size:14px;min-height:38px}.btn:hover{background:var(--accent-dark);color:#fff}.btn-sm{padding:6px 10px;font-size:12px;min-height:32px}.btn-light{background:#fff;color:var(--nav);border-color:#d7e1e7}.btn-light:hover{background:#f5f7f8;color:var(--nav)}.btn-secondary{background:#526b7b}.btn-secondary:hover{background:#435c6c}.btn-danger{background:var(--danger)}.btn-danger:hover{background:#8f1b13}.btn-ghost{background:#fff;color:#365364;border-color:var(--border)}.btn-ghost:hover{background:#f5f8f9;color:#1e465b}.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.actions form{margin:0}
.table-wrap{overflow:auto;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow)}table{width:100%;border-collapse:collapse;min-width:760px}th,td{padding:12px 14px;border-bottom:1px solid #edf1f3;text-align:left;vertical-align:top}th{background:#f8fafb;font-size:11px;text-transform:uppercase;color:#6f808c;letter-spacing:.04em}tr:last-child td{border-bottom:0}tbody tr:hover{background:#fbfcfd}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-group{margin-bottom:14px}.form-group.full{grid-column:1/-1}label{display:block;font-weight:750;font-size:13px;margin-bottom:6px}input,select,textarea{width:100%;padding:10px 11px;border:1px solid #cfd9df;border-radius:8px;background:#fff;color:inherit;outline:none}input:focus,select:focus,textarea:focus{border-color:#6aa7ba;box-shadow:0 0 0 3px rgba(25,112,139,.10)}textarea{min-height:112px;resize:vertical}.help{font-size:12px;color:var(--muted);margin-top:6px}
.upload-zone{border:1.5px dashed #a9bbc6;border-radius:12px;background:#f9fbfc;padding:24px;text-align:center}.upload-zone input[type=file]{background:#fff}.selected-files{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px;justify-content:center}.selected-file{font-size:12px;background:#eef4f6;border:1px solid #dce7eb;border-radius:999px;padding:5px 9px;max-width:100%;overflow-wrap:anywhere}
.alert{border-radius:9px;padding:12px 14px;margin-bottom:16px}.alert-success{background:#ecfdf3;color:var(--ok);border:1px solid #abefc6}.alert-danger{background:#fef3f2;color:var(--danger);border:1px solid #fecdca}.alert-warning{background:#fffaeb;color:var(--warning);border:1px solid #fedf89}
.badge{display:inline-block;border-radius:999px;background:#edf3f6;color:#3e5a6d;padding:4px 8px;font-size:11px;font-weight:800}.badge-image{background:#eef8f2;color:#277a49}.badge-pdf{background:#fff0ef;color:#a7352d}.badge-document{background:#eef4fb;color:#315f8a}
.file-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.file-card{border:1px solid var(--border);border-radius:11px;background:#fff;overflow:hidden;min-width:0;box-shadow:0 3px 10px rgba(19,50,72,.04)}.file-card:hover{border-color:#c2d3dc}.thumb{height:165px;background:#eef2f5;display:grid;place-items:center;color:#607381;font-weight:850;position:relative;overflow:hidden}.thumb img{width:100%;height:100%;object-fit:cover;display:block}.thumb .file-ext{width:68px;height:82px;border-radius:8px;background:#fff;border:1px solid #d6e0e6;display:grid;place-items:center;box-shadow:0 4px 12px rgba(30,55,70,.08);font-size:14px;color:#486171}.file-body{padding:13px}.file-body h4{margin:0 0 5px;overflow-wrap:anywhere;font-size:15px}.file-sub{font-size:12px;color:var(--muted);margin-bottom:9px;overflow-wrap:anywhere}
.gallery-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.gallery-item{background:#fff;border:1px solid var(--border);border-radius:11px;overflow:hidden;min-width:0}.gallery-item .photo{aspect-ratio:4/3;background:#e9eef1;overflow:hidden}.gallery-item .photo img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .2s ease}.gallery-item:hover .photo img{transform:scale(1.025)}.gallery-caption{padding:10px 11px}.gallery-caption b{font-size:13px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.gallery-caption span{font-size:11px;color:var(--muted);display:block;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.preview-box{background:#fff;border:1px solid var(--border);border-radius:12px;padding:12px;box-shadow:var(--shadow)}.preview-box iframe{width:100%;height:720px;border:0;border-radius:8px;background:#f3f5f7}.preview-box img{display:block;max-width:100%;max-height:760px;margin:auto;border-radius:8px}.doc-preview{white-space:pre-wrap;font-family:Georgia,serif;line-height:1.65;max-height:720px;overflow:auto;padding:26px;background:#fff}.file-detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px}.meta-list{display:grid;gap:10px}.meta-row{display:grid;grid-template-columns:105px 1fr;gap:10px;font-size:13px}.meta-row span:first-child{color:var(--muted)}
.searchbar{display:grid;grid-template-columns:minmax(220px,1fr) 170px 190px auto;gap:10px;margin-bottom:16px}.filter-pills{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.filter-pill{display:inline-flex;padding:7px 11px;border:1px solid var(--border);border-radius:999px;background:#fff;color:#4c6473;font-size:12px;font-weight:750}.filter-pill.active,.filter-pill:hover{background:var(--nav-soft);border-color:#c9dce5;color:#155f78}
.auth-shell{min-height:calc(100vh - 36px);display:grid;place-items:center;padding:24px;background:linear-gradient(160deg,#f6f9fb,#eef4f6)}.auth-card{width:min(450px,100%);background:#fff;border:1px solid var(--border);border-radius:14px;padding:28px;box-shadow:0 18px 45px rgba(17,51,73,.10)}.auth-card h1{margin-top:0}.auth-logo{width:54px;height:54px;border-radius:12px;background:var(--nav);color:#fff;display:grid;place-items:center;font-weight:900;font-size:25px;margin-bottom:15px}
.hero-meta{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:12px}.hero-meta span{background:#fff;border:1px solid var(--border);border-radius:999px;padding:5px 9px}.empty{text-align:center;padding:32px;color:var(--muted)}code{background:#eef1f4;padding:2px 5px;border-radius:4px}.pagination{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:18px}.pagination a,.pagination span{min-width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--border);border-radius:7px;background:#fff;font-size:12px}.pagination .current{background:var(--nav);color:#fff;border-color:var(--nav)}
.quick-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.quick-card{border:1px solid var(--border);background:#fff;border-radius:10px;padding:15px;display:flex;gap:11px;align-items:center;color:var(--text)}.quick-card:hover{background:#fbfdfe;border-color:#c8d7df}.quick-card b{display:block;font-size:14px}.quick-card span{font-size:12px;color:var(--muted)}
@media(max-width:1100px){.file-grid{grid-template-columns:repeat(3,1fr)}.gallery-grid{grid-template-columns:repeat(4,1fr)}.file-detail-grid{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.two-col,.two-col-equal{grid-template-columns:1fr}.layout{grid-template-columns:1fr}.menu-toggle{display:block}.sidebar{display:none;position:fixed;left:0;top:72px;bottom:0;width:250px;box-shadow:8px 0 20px rgba(16,45,64,.12);overflow:auto}.sidebar.open{display:block}.sidebar nav{position:static}.searchbar{grid-template-columns:1fr 1fr}.searchbar .wide{grid-column:1/-1}.file-grid{grid-template-columns:repeat(2,1fr)}.gallery-grid{grid-template-columns:repeat(3,1fr)}.quick-actions{grid-template-columns:1fr}}
@media(max-width:620px){.content{padding:17px}.topbar{padding:0 12px}.brand small,.user-meta{display:none}.brand b{font-size:14px}.page-head{flex-direction:column;align-items:stretch}.stats,.file-grid,.gallery-grid,.form-grid,.searchbar{grid-template-columns:1fr}.form-group.full{grid-column:auto}.gallery-grid{grid-template-columns:repeat(2,1fr)}.preview-box iframe{height:520px}.table-wrap{border-radius:9px}.userbox{gap:7px}.page-head .actions .btn{flex:1}.meta-row{grid-template-columns:1fr}.meta-row span:first-child{font-weight:700}}
.status-ok{display:inline-block;color:#18794e;background:#ecfdf3;border:1px solid #abefc6;border-radius:999px;padding:4px 8px;font-size:11px;font-weight:800}.status-off{display:inline-block;color:#785412;background:#fffaeb;border:1px solid #fedf89;border-radius:999px;padding:4px 8px;font-size:11px;font-weight:800}.badge-active{background:#ecfdf3;color:#18794e}.badge-archived{background:#fffaeb;color:#785412}.danger-zone{background:#fff;border:1px solid #f2c1bd;border-radius:12px;padding:18px;margin-bottom:18px}.danger-zone h3{color:var(--danger);margin:0 0 8px}.danger-zone p{color:#76504c;font-size:13px}.recent-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid #edf1f3}.recent-row:last-child{border-bottom:0}.recent-row b{font-size:13px}.recent-row small{display:block;color:var(--muted);margin-top:3px}