:root{
  --bg:#0b0b0b;--surface:rgba(16,16,16,.78);--surface-2:rgba(23,23,23,.74);--line:rgba(255,255,255,.12);--line-strong:rgba(255,255,255,.22);--text:#f4f4f0;--muted:#a4a49e;--soft:#777771;--danger:#d75b5b;--ok:#87c99a;--warning:#e2bc70;--radius:18px;--pad:clamp(20px,4vw,58px);--max:1380px;
}
*{box-sizing:border-box}html{min-height:100%;background:var(--bg);color-scheme:dark}body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5;isolation:isolate}button,input,select{font:inherit}button{color:inherit}a{color:inherit}.hidden{display:none!important}
.app-background{position:fixed;inset:-2%;z-index:-3;background:#0b0b0b center/cover no-repeat;filter:grayscale(1);opacity:0;transition:opacity .4s ease}.app-background.ready{opacity:1}body::before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;background:linear-gradient(90deg,rgba(5,5,5,.86),rgba(5,5,5,.66) 48%,rgba(5,5,5,.8))}body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:rgba(5,5,5,.12)}
.app-header{width:min(var(--max),calc(100% - 36px));margin:0 auto;padding:28px 0 20px;display:flex;align-items:center;gap:26px;position:relative;z-index:10}.brand{margin-right:auto;text-decoration:none;display:flex;flex-direction:column;gap:2px}.brand-kicker,.eyebrow{font-size:.67rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}.brand-title{font-size:1.12rem;font-weight:650;letter-spacing:-.02em}.main-nav{display:flex;align-items:center;gap:5px;flex-wrap:wrap;justify-content:flex-end}.main-nav button{border:0;background:transparent;padding:9px 11px;border-radius:999px;color:var(--muted);cursor:pointer;font-size:.84rem}.main-nav button:hover,.main-nav button.active{background:rgba(255,255,255,.08);color:var(--text)}.main-nav .nav-primary{border:1px solid var(--line-strong);color:var(--text)}
.app-main{flex:1 0 auto;width:min(var(--max),calc(100% - 36px));margin:0 auto;padding:16px 0 56px}.view{display:none}.view.active{display:block}.narrow-view{width:min(940px,100%);margin:4vh auto 0}.hero-copy{margin-bottom:30px}.hero-copy h1,.upload-head h1,.page-title{font-size:clamp(2.7rem,7vw,6.7rem);letter-spacing:-.07em;line-height:.92;margin:.18em 0 .28em;font-weight:620}.hero-copy p,.page-subtitle{max-width:720px;color:var(--muted);font-size:clamp(.95rem,1.4vw,1.12rem)}
.panel{border:1px solid var(--line);background:var(--surface);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-radius:var(--radius);padding:clamp(22px,3vw,40px);box-shadow:0 32px 100px rgba(0,0,0,.26)}.login-panel{max-width:900px}.grid{display:grid;gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.wide{grid-column:1/-1}label{display:flex;flex-direction:column;gap:8px;color:#d7d7d1;font-size:.82rem}input,select,textarea{width:100%;border:1px solid var(--line);background:rgba(8,8,8,.8);color:var(--text);padding:13px 14px;border-radius:12px;outline:none}input:focus,select:focus,textarea:focus{border-color:rgba(255,255,255,.35);box-shadow:0 0 0 3px rgba(255,255,255,.04)}input[type=checkbox],input[type=radio]{width:auto;accent-color:#eee}.actions{display:flex;gap:10px;justify-content:flex-end;align-items:center;margin-top:24px;flex-wrap:wrap}button.primary,button.secondary,button.ghost,button.danger,.button-link{border-radius:999px;padding:11px 17px;border:1px solid var(--line);background:rgba(255,255,255,.07);cursor:pointer;text-decoration:none}button.primary{background:#ededeb;color:#111;border-color:#ededeb;font-weight:650}button.primary:hover{background:white}button.secondary:hover,button.ghost:hover{background:rgba(255,255,255,.12)}button.danger{border-color:rgba(215,91,91,.5);background:rgba(215,91,91,.12);color:#ffd3d3}button:disabled{opacity:.4;cursor:not-allowed}.status{margin-top:16px;color:var(--muted);white-space:pre-line}.status.ok{color:var(--ok)}.status.error{color:#ff9d9d}.status.warn{color:var(--warning)}.notice{padding:12px 14px;border:1px solid var(--line);border-radius:12px;margin-top:16px}.warning{color:#e8c889;background:rgba(210,162,70,.08)}code,pre{font-family:"SFMono-Regular",Consolas,monospace}code{font-size:.9em}pre{white-space:pre-wrap;word-break:break-word;background:rgba(0,0,0,.28);border:1px solid var(--line);border-radius:14px;padding:18px;max-height:420px;overflow:auto;color:#ddd}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin:12px 0 32px}.page-head .page-title{font-size:clamp(3rem,6vw,6rem);margin-bottom:0}.page-actions{display:flex;gap:10px;flex-wrap:wrap}.metrics{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;margin-bottom:34px}.metric{padding:22px 20px;border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.035),transparent)}.metric strong{display:block;font-size:clamp(1.7rem,3vw,3rem);font-weight:570;letter-spacing:-.05em}.metric span{display:block;margin-top:4px;color:var(--muted);font-size:.78rem}.section-title{font-size:1rem;margin:0 0 16px;font-weight:590}.dashboard-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:20px}.list-card,.detail-card{border:1px solid var(--line);background:rgba(12,12,12,.62);border-radius:16px;overflow:hidden}.list-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;padding:18px 20px;border-bottom:1px solid var(--line);cursor:pointer}.list-row:last-child{border-bottom:0}.list-row:hover{background:rgba(255,255,255,.035)}.list-row strong{display:block;font-size:1rem}.list-row small{display:block;margin-top:3px;color:var(--muted)}.list-row .count{color:var(--muted);white-space:nowrap}.quick-actions{display:grid;gap:10px}.quick-actions button{text-align:left;padding:18px 20px;border:1px solid var(--line);background:rgba(12,12,12,.62);border-radius:14px;cursor:pointer}.quick-actions button:hover{background:rgba(255,255,255,.06)}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}.toolbar .search{flex:1 1 260px}.toolbar select{width:auto;min-width:150px}.media-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.media-card{border:1px solid var(--line);background:rgba(10,10,10,.65);border-radius:15px;overflow:hidden;cursor:pointer}.media-card:hover{border-color:var(--line-strong)}.media-card-image{aspect-ratio:4/3;background:#171717;overflow:hidden}.media-card-image img{width:100%;height:100%;object-fit:cover;display:block}.media-card-body{padding:13px}.media-card-title{font-size:.9rem;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.media-card-meta{font-size:.72rem;color:var(--muted);margin-top:5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.badges{display:flex;gap:5px;flex-wrap:wrap;margin-top:10px}.badge,.chip{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);border-radius:999px;padding:4px 8px;font-size:.65rem;color:#c8c8c2}.badge.on{background:rgba(255,255,255,.08);color:white}.tree{display:grid;gap:14px}.tree-card{border:1px solid var(--line);border-radius:15px;background:rgba(11,11,11,.62);padding:18px 20px}.tree-head{display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer}.tree-head h3{margin:0;font-size:1.08rem}.tree-head span{color:var(--muted);font-size:.78rem}.tree-children{margin-top:14px;padding-left:16px;border-left:1px solid var(--line);display:grid;gap:8px}.tree-child{display:flex;justify-content:space-between;color:#d5d5cf;font-size:.84rem}.tag-cloud{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.tag-card{padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:rgba(10,10,10,.62);cursor:pointer;display:flex;justify-content:space-between;gap:12px}.tag-card span{color:var(--muted)}
.detail-hero{display:flex;justify-content:space-between;align-items:flex-end;gap:22px;margin-bottom:26px}.detail-hero h1{font-size:clamp(2.5rem,5vw,5rem);line-height:.95;letter-spacing:-.06em;margin:.15em 0}.detail-columns{display:grid;grid-template-columns:1fr 1fr;gap:20px}.detail-card{padding:22px}.detail-card h2{font-size:1rem;margin:0 0 16px}.detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.detail-item span{display:block;font-size:.68rem;text-transform:uppercase;letter-spacing:.12em;color:var(--soft)}.detail-item strong{display:block;font-size:.95rem;margin-top:3px}.gallery-actions{display:flex;gap:10px;flex-wrap:wrap}
.usage-strip{display:flex;gap:10px;flex-wrap:wrap}.usage-toggle{display:flex;align-items:center;gap:8px;border:1px solid var(--line);padding:10px 13px;border-radius:12px;background:rgba(255,255,255,.025)}.background-matrix{display:grid;gap:8px;margin-top:18px}.bg-row{display:grid;grid-template-columns:minmax(130px,1fr) 110px 110px;align-items:center;gap:10px;border-bottom:1px solid var(--line);padding:10px 0}.bg-row:first-child{color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.1em}.bg-row label{flex-direction:row;align-items:center;justify-content:center}.about-list{display:grid;gap:10px}.about-item{display:grid;grid-template-columns:70px 1fr auto auto;align-items:center;gap:14px;padding:10px;border:1px solid var(--line);border-radius:13px;background:rgba(10,10,10,.6);cursor:grab}.about-item img{width:70px;height:52px;object-fit:cover;border-radius:8px}.about-item.dragging{opacity:.4}.background-page-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:18px}.background-page-tabs button{border:1px solid var(--line);background:transparent;border-radius:999px;padding:8px 12px;cursor:pointer}.background-page-tabs button.active{background:white;color:#111}.background-card-controls{display:flex;gap:8px;margin-top:9px}.background-card-controls label{flex-direction:row;align-items:center}
.upload-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:24px}.upload-head h1{font-size:clamp(3rem,6vw,5.8rem);margin-bottom:0}.upload-steps{display:flex;gap:4px;flex-wrap:wrap;justify-content:flex-end}.upload-steps span{font-size:.66rem;color:var(--soft);padding:5px 7px;border-bottom:1px solid transparent}.upload-steps span.active{color:white;border-color:white}.upload-panel{min-height:500px}.upload-step{display:none}.upload-step.active{display:block}.section-head{display:flex;gap:16px;margin-bottom:24px}.section-head>span{font-size:.72rem;color:var(--soft);padding-top:5px}.section-head h2{margin:0;font-size:clamp(1.5rem,3vw,2.5rem);letter-spacing:-.04em}.section-head p{margin:5px 0 0;color:var(--muted)}.dropzone{position:relative;border:1px dashed rgba(255,255,255,.25);border-radius:16px;min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;background:rgba(255,255,255,.02)}.dropzone.drag{background:rgba(255,255,255,.07);border-color:white}.dropzone input{position:absolute;inset:0;opacity:0;cursor:pointer}.dropzone span{color:var(--muted);font-size:.83rem}.stats{display:flex;justify-content:space-between;margin:12px 0;color:var(--muted);font-size:.78rem}.preview-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.thumb{position:relative;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#111}.thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}.thumb button{position:absolute;top:6px;right:6px;width:28px;height:28px;border-radius:50%;border:0;background:rgba(0,0,0,.65);cursor:pointer}.thumb div{padding:7px;font-size:.67rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.assignment-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px}.assignment-list label{display:block}.assignment-list span{display:block;border:1px solid var(--line);border-radius:13px;padding:15px;cursor:pointer}.assignment-list input{position:absolute;opacity:0}.assignment-list input:checked+span{background:white;color:#111;border-color:white}.review-list{display:grid;gap:8px}.review-item{display:flex;justify-content:space-between;gap:20px;padding:13px 15px;border:1px solid var(--line);border-radius:12px}.review-item small{display:block;color:var(--muted)}.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}.summary-grid>div{padding:16px;border:1px solid var(--line);border-radius:12px}.summary-grid strong,.summary-grid span{display:block}.summary-grid span{font-size:.72rem;color:var(--muted);margin-top:4px}.progress{height:7px;background:rgba(255,255,255,.08);border-radius:999px;overflow:hidden}.progress div{height:100%;width:0;background:white;transition:width .25s}.usage-switches{display:flex;gap:10px;flex-wrap:wrap}.usage-switches label{flex-direction:row;align-items:center;border:1px solid var(--line);padding:12px 14px;border-radius:12px}
.modal{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.68);display:grid;place-items:center;padding:20px}.modal-card{position:relative;width:min(920px,100%);max-height:90vh;overflow:auto;border:1px solid var(--line);background:#101010;border-radius:18px;padding:clamp(22px,3vw,38px);box-shadow:0 40px 150px rgba(0,0,0,.6)}.modal-close{position:absolute;top:14px;right:14px;border:0;background:transparent;font-size:1.7rem;cursor:pointer;color:var(--muted)}.modal h2{font-size:clamp(1.8rem,4vw,3.2rem);letter-spacing:-.05em;margin:0 0 20px}.diff{display:grid;grid-template-columns:1fr 1fr;gap:12px}.diff-col{border:1px solid var(--line);border-radius:12px;padding:13px;max-height:260px;overflow:auto}.diff-col h3{font-size:.75rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin:0 0 9px}.diff-line{font:12px/1.45 monospace;padding:2px 0;word-break:break-all}.diff-line.add{color:#a7dcb4}.diff-line.remove{color:#efa2a2}.physical-list{max-height:240px;overflow:auto;font:12px/1.6 monospace;border:1px solid rgba(215,91,91,.3);padding:12px;border-radius:12px}
.site-footer{margin-top:auto;padding:28px max(var(--pad),calc((100vw - var(--max))/2));border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:28px;color:var(--muted);font-size:.76rem;background:rgba(10,10,10,.6);backdrop-filter:blur(8px)}.site-footer nav{display:flex;gap:18px}.site-footer a{text-decoration:none}.site-footer a:hover{color:white}
@media(max-width:1100px){.metrics{grid-template-columns:repeat(3,1fr)}.media-grid{grid-template-columns:repeat(3,1fr)}.tag-cloud{grid-template-columns:repeat(3,1fr)}.dashboard-grid{grid-template-columns:1fr}.assignment-list{grid-template-columns:repeat(2,1fr)}.app-header{align-items:flex-start;flex-wrap:wrap}.main-nav{order:3;width:100%;justify-content:flex-start}}
@media(max-width:760px){.app-header,.app-main{width:min(100% - 20px,var(--max))}.main-nav{overflow:auto;flex-wrap:nowrap;padding-bottom:4px}.main-nav button{white-space:nowrap}.grid.two,.detail-columns,.detail-grid{grid-template-columns:1fr}.wide{grid-column:auto}.metrics{grid-template-columns:repeat(2,1fr)}.media-grid{grid-template-columns:repeat(2,1fr)}.tag-cloud{grid-template-columns:repeat(2,1fr)}.preview-grid{grid-template-columns:repeat(2,1fr)}.assignment-list{grid-template-columns:1fr}.upload-head{display:block}.upload-steps{margin-top:12px;justify-content:flex-start}.bg-row{grid-template-columns:1fr 75px 75px}.diff{grid-template-columns:1fr}.site-footer{flex-direction:column}.page-head,.detail-hero{align-items:flex-start;flex-direction:column}}
@media(max-width:460px){.metrics,.media-grid,.tag-cloud{grid-template-columns:1fr}.hero-copy h1,.page-title{font-size:3rem}.app-header{padding-top:18px}.panel{padding:18px}.modal{padding:8px}}
.chip-source{display:none}.chipbox{min-height:48px;border:1px solid var(--line);background:rgba(8,8,8,.8);border-radius:12px;padding:7px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}.chipbox .chip{background:rgba(255,255,255,.08);color:var(--text);font-size:.76rem;padding:6px 9px}.chipbox .chip button{border:0;background:transparent;color:var(--muted);padding:0;cursor:pointer;font-size:1rem;line-height:1}.chip-entry{width:140px;min-width:100px;flex:1 1 120px;border:0!important;background:transparent!important;padding:6px!important;box-shadow:none!important}


/* v1.1 */
.usage-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}
.usage-toolbar .usage-switches{margin-bottom:0}
.compact-button{white-space:nowrap}
@media(max-width:700px){.usage-toolbar{align-items:stretch;flex-direction:column}.compact-button{width:100%}}