:root{
  --bg:#f7f7f5;
  --surface:#ffffff;
  --text:#181818;
  --muted:#6f6f6b;
  --line:#e5e5e1;
  --soft:#f1f1ee;
  --accent:#2563eb;
  --accent-hover:#1d4ed8;
  --danger:#b42318;
  --danger-soft:#fff1f0;
  --success:#137a4b;
  --radius:12px;
  --shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.05);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}
button,input{font:inherit}
button{cursor:pointer}
svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
[hidden]{display:none!important}

.nav-shell,.page,.footer-inner{width:min(1080px,calc(100% - 40px));margin-inline:auto}
.nav-shell{height:72px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-size:15px;font-weight:700;letter-spacing:-.2px}
.brand-mark{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;background:#181818;color:#fff;font-size:13px;font-weight:800}
.nav-status{font-size:13px;color:var(--muted)}

.hero{padding:70px 0 44px;display:flex;align-items:end;justify-content:space-between;gap:40px;border-bottom:1px solid var(--line)}
.eyebrow{margin:0 0 10px;color:var(--muted);font-size:13px;font-weight:600}
.hero h1{margin:0;font-size:48px;line-height:1.06;letter-spacing:-2px;font-weight:700}
.hero-copy{max-width:560px;margin:14px 0 0;color:var(--muted);font-size:16px;line-height:1.6}
.search-wrap{width:320px;height:44px;display:flex;align-items:center;gap:10px;padding:0 13px;border:1px solid #d7d7d2;border-radius:9px;background:var(--surface);transition:border-color .15s,box-shadow .15s}
.search-wrap:focus-within{border-color:#9da7ba;box-shadow:0 0 0 3px rgba(37,99,235,.08)}
.search-wrap svg{width:18px;color:#8a8a86}
.search-wrap input{width:100%;border:0;outline:0;background:transparent;color:var(--text)}
.search-wrap input::placeholder{color:#9a9a96}

.library-head{padding:34px 0 18px}
.library-head h2{margin:0;font-size:20px;letter-spacing:-.4px}
.library-head p{margin:6px 0 0;color:var(--muted);font-size:13px}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding-bottom:70px}
.card{display:grid;grid-template-columns:116px minmax(0,1fr);min-height:154px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden;transition:border-color .15s,box-shadow .15s}
.card:hover{border-color:#d2d2cd;box-shadow:var(--shadow)}
.avatar{width:116px;height:100%;min-height:154px;object-fit:cover;background:var(--soft);border-right:1px solid var(--line)}
.card-content{min-width:0;padding:17px 18px;display:flex;flex-direction:column;justify-content:space-between}
.card-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}
.card-heading>div{min-width:0}
.card h3{margin:0 0 6px;font-size:16px;line-height:1.35;letter-spacing:-.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card p{margin:0;color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.file-type{flex:0 0 auto;padding:4px 7px;border:1px solid var(--line);border-radius:6px;background:#fafafa;color:#666;font-size:10px;font-weight:700}
.card-bottom{padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.size{font-size:12px;color:var(--muted)}
.download{display:inline-flex;align-items:center;gap:7px;padding:9px 11px;border-radius:8px;background:var(--text);color:#fff;text-decoration:none;font-size:12px;font-weight:650;transition:background .15s}
.download:hover{background:#343434}
.download svg{width:15px}
.empty,.no-results{grid-column:1/-1;padding:62px 20px;text-align:center;border:1px dashed #d5d5d0;border-radius:var(--radius);background:rgba(255,255,255,.55)}
.empty-icon{width:42px;height:42px;margin:0 auto 14px;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--muted)}
.empty-icon svg{width:20px}
.empty h2,.no-results h3{margin:0 0 7px;font-size:16px}
.empty p,.no-results p{margin:0;color:var(--muted);font-size:13px}
.no-results{display:none;margin-bottom:70px}
footer{border-top:1px solid var(--line)}
.footer-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:12px}

/* Login */
.admin-login-page{min-height:100vh;background:#f5f5f3}
.login-glow{display:none}
.login-layout{min-height:100vh;display:grid;grid-template-columns:1fr 460px}
.login-intro{padding:52px clamp(36px,7vw,96px);display:flex;flex-direction:column;justify-content:space-between;background:#1e1e1e;color:#fff}
.login-intro .brand-mark{background:#fff;color:#181818}
.login-intro h1{max-width:580px;margin:18px 0 16px;font-size:46px;line-height:1.08;letter-spacing:-1.8px}
.login-intro p{max-width:540px;margin:0;color:#b7b7b3;font-size:16px;line-height:1.7}
.login-intro small{color:#8f8f8b}
.section-kicker{color:var(--muted);font-size:11px;font-weight:700;letter-spacing:1.3px}
.login-intro .section-kicker{color:#9d9d99}
.login-box{align-self:center;width:min(360px,calc(100% - 48px));margin:auto;padding:0}
.login-icon{width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;background:#fff}
.login-icon svg{width:20px}
.login-box h2{margin:22px 0 7px;font-size:25px;letter-spacing:-.7px}
.login-box>p{margin:0 0 28px;color:var(--muted);font-size:14px}
.login-box label,.field-label,.edit-form label{display:block;margin-top:16px;color:#444;font-size:13px;font-weight:600}
.input-shell{margin-top:7px}
.input-shell input,.field-label input,.edit-form input{width:100%;height:44px;padding:0 12px;border:1px solid #d8d8d3;border-radius:8px;background:#fff;outline:0;transition:border-color .15s,box-shadow .15s}
.input-shell input:focus,.field-label input:focus,.edit-form input:focus{border-color:#9da7ba;box-shadow:0 0 0 3px rgba(37,99,235,.08)}
.password-shell{position:relative}
.password-shell input{padding-right:68px}
.password-shell button{position:absolute;right:10px;top:50%;transform:translateY(-50%);border:0;background:none;color:var(--muted);font-size:12px}
.primary{border:0;border-radius:8px;background:var(--text);color:#fff;font-weight:650}
.login-button{width:100%;height:44px;margin-top:22px;display:flex;align-items:center;justify-content:center;gap:9px}
.alert,.success{padding:11px 13px;border-radius:8px;font-size:13px}
.alert{border:1px solid #f1c0bc;background:var(--danger-soft);color:var(--danger)}
.success{border:1px solid #b8dfcb;background:#eefaf4;color:var(--success)}

/* Dashboard */
.dashboard-body{min-height:100vh;background:#f5f5f3}
.sidebar{position:fixed;inset:0 auto 0 0;width:236px;padding:26px 18px 20px;display:flex;flex-direction:column;border-right:1px solid #292929;background:#1e1e1e;color:#fff}
.sidebar .brand{padding:0 9px 24px}
.sidebar .brand-mark{background:#fff;color:#181818}
.sidebar nav{display:grid;gap:4px}
.sidebar nav a,.sidebar-bottom a{display:flex;align-items:center;gap:10px;padding:10px 11px;border-radius:8px;color:#aaa;text-decoration:none;font-size:13px;font-weight:550}
.sidebar nav a:hover,.sidebar-bottom a:hover,.sidebar nav a.active{background:#2b2b2b;color:#fff}
.sidebar svg{width:17px}
.sidebar-bottom{margin-top:auto;display:grid;gap:4px}
.sidebar-bottom .logout{color:#e3a5a0}
.dashboard{margin-left:236px;padding:42px clamp(28px,5vw,64px) 70px}
.dashboard-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:26px}
.dashboard-top h1{margin:7px 0 6px;font-size:30px;letter-spacing:-1px}
.dashboard-top p{margin:0;color:var(--muted);font-size:14px}
.admin-avatar{width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;background:#fff;font-size:13px;font-weight:700}
.toast{margin-bottom:16px}
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-bottom:18px}
.stat-card{min-height:100px;padding:20px;display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:10px;background:#fff}
.stat-icon{width:40px;height:40px;display:grid;place-items:center;border-radius:9px;background:var(--soft);color:#555}
.stat-icon svg{width:19px}
.stat-card span{display:block;margin-bottom:7px;color:var(--muted);font-size:12px}
.stat-card strong{font-size:22px}
.stat-card strong.online{display:flex;align-items:center;gap:7px;font-size:14px;color:var(--success)}
.online i{width:7px;height:7px;border-radius:50%;background:#21a366}
.panel{margin-top:18px;border:1px solid var(--line);border-radius:10px;background:#fff}
.panel-heading{padding:22px 24px;display:flex;align-items:end;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}
.panel-heading h2{margin:6px 0 0;font-size:19px;letter-spacing:-.4px}
.panel-heading p{margin:0;color:var(--muted);font-size:12px}
.upload-form{padding:24px}
.drop-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}
.dropzone{min-height:176px;padding:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border:1px dashed #cfcfca;border-radius:9px;background:#fafaf9;cursor:pointer;transition:border-color .15s,background .15s}
.dropzone:hover{border-color:#a9a9a4;background:#f7f7f5}
.dropzone input{position:absolute;opacity:0;pointer-events:none}
.drop-icon{width:44px;height:44px;margin-bottom:13px;display:grid;place-items:center;border:1px solid var(--line);border-radius:9px;background:#fff;color:#666;overflow:hidden}
.drop-icon svg{width:20px}
.image-preview img{width:100%;height:100%;object-fit:cover}
.dropzone strong{font-size:13px}
.dropzone span{margin-top:5px;color:var(--muted);font-size:11px}
.dropzone small{margin-top:13px;color:var(--accent);font-size:12px;font-weight:600}
.publish-button{height:42px;margin-top:18px;padding:0 16px}
.admin-list{padding:8px 16px 16px}
.admin-item{min-height:76px;padding:12px 8px;display:grid;grid-template-columns:52px minmax(0,1fr) auto;align-items:center;gap:13px;border-bottom:1px solid var(--line)}
.admin-item:last-child{border-bottom:0}
.admin-item>img{width:52px;height:52px;object-fit:cover;border-radius:8px;background:var(--soft)}
.file-info{min-width:0}
.file-info strong,.file-info span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.file-info strong{font-size:13px}
.file-info span{margin-top:5px;color:var(--muted);font-size:11px}
details{position:relative}
summary{list-style:none;padding:8px 10px;border:1px solid var(--line);border-radius:7px;background:#fff;font-size:12px;cursor:pointer}
summary::-webkit-details-marker{display:none}
.edit-popover{position:absolute;right:0;z-index:10;width:300px;margin-top:8px;padding:16px;border:1px solid var(--line);border-radius:9px;background:#fff;box-shadow:var(--shadow)}
.edit-form label{margin-top:0;margin-bottom:12px}
.edit-form input[type=file]{height:auto;padding:10px;font-size:11px}
.small-btn,.delete-btn{width:100%;height:38px;border-radius:7px;font-size:12px;font-weight:650}
.small-btn{border:0;background:var(--text);color:#fff}
.delete-btn{margin-top:9px;border:1px solid #efc5c1;background:#fff;color:var(--danger)}
.admin-empty{padding:34px;text-align:center;color:var(--muted);font-size:13px}
.item-count{padding:5px 8px;border-radius:6px;background:var(--soft);color:var(--muted);font-size:11px}

@media (max-width:900px){
  .hero{align-items:flex-start;flex-direction:column}
  .search-wrap{width:100%}
  .grid{grid-template-columns:1fr}
  .login-layout{grid-template-columns:1fr}
  .login-intro{display:none}
  .sidebar{position:static;width:100%;height:auto;border-right:0}
  .sidebar nav{grid-template-columns:repeat(3,1fr)}
  .sidebar-bottom{grid-template-columns:1fr 1fr;margin-top:14px}
  .dashboard{margin-left:0;padding:28px 20px 60px}
}
@media (max-width:620px){
  .nav-shell,.page,.footer-inner{width:min(100% - 28px,1080px)}
  .hero{padding:46px 0 30px}
  .hero h1{font-size:38px;letter-spacing:-1.3px}
  .hero-copy{font-size:14px}
  .card{grid-template-columns:92px minmax(0,1fr);min-height:132px}
  .avatar{width:92px;min-height:132px}
  .card-content{padding:14px}
  .download{padding:8px 9px}
  .footer-inner{min-height:74px;display:grid;gap:5px;align-content:center}
  .stats,.drop-grid{grid-template-columns:1fr}
  .panel-heading{align-items:flex-start;flex-direction:column}
  .sidebar nav{grid-template-columns:1fr}
  .admin-item{grid-template-columns:46px minmax(0,1fr)}
  .admin-item>img{width:46px;height:46px}
  .admin-item details{grid-column:1/-1}
  .edit-popover{position:static;width:100%}
}