:root{--navy:#071c42;--navy-2:#0b2e62;--blue:#087dca;--blue-soft:#e8f5fd;--yellow:#f7c948;--ink:#172033;--muted:#68768a;--line:#dce5ee;--surface:#f3f6f9;--white:#fff;--green:#0b8a5b;--danger:#b42336}
*{box-sizing:border-box}body{min-width:320px;margin:0;color:var(--ink);background:radial-gradient(circle at 82% 0,rgba(8,125,202,.08),transparent 28%),var(--surface);font-family:"DM Sans",sans-serif}button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.hidden{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.admin-shell{width:min(1280px,calc(100% - 40px));margin-inline:auto}
.admin-header{position:sticky;top:0;z-index:20;color:#fff;background:rgba(7,28,66,.97);border-bottom:1px solid rgba(255,255,255,.1);backdrop-filter:blur(16px)}.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.admin-nav{display:flex;align-items:center;gap:5px}.admin-nav a,.admin-nav button{padding:10px 12px;color:rgba(255,255,255,.72);background:transparent;border:1px solid transparent;border-radius:9px;font-size:10px;font-weight:700}.admin-nav a:hover,.admin-nav a.active{color:#fff;background:rgba(255,255,255,.1)}.admin-nav button{margin-left:6px;color:#fff;border-color:rgba(255,255,255,.25)}
.admin-main{padding:52px 0 80px}.page-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:28px}.eyebrow{margin:0 0 9px;color:var(--blue);font-size:9px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.page-heading h1{margin:0;color:var(--navy);font:800 clamp(37px,5vw,58px)/.98 "Libre Franklin",sans-serif;letter-spacing:-.045em}.page-heading>div>p:last-child{max-width:680px;margin:14px 0 0;color:var(--muted);font-size:13px;line-height:1.65}.heading-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.primary-button,.secondary-button,.danger-button{min-height:42px;padding:0 15px;border-radius:9px;font-size:9px;font-weight:800}.primary-button{color:#fff;background:linear-gradient(135deg,#0b86d4,#0769a8);border:0;box-shadow:0 9px 20px rgba(8,125,202,.19)}.secondary-button{color:var(--navy);background:#fff;border:1px solid var(--line)}.danger-button{color:#fff;background:linear-gradient(135deg,#d14c5d,#a72839);border:0}.primary-button:disabled,.secondary-button:disabled,.danger-button:disabled{opacity:.55;cursor:wait}
.storage-overview{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;margin-bottom:18px;padding:20px 22px;color:#fff;background:linear-gradient(135deg,var(--navy),var(--navy-2));border:1px solid rgba(255,255,255,.1);border-radius:17px;box-shadow:0 18px 45px rgba(7,28,66,.13)}.storage-icon{width:48px;height:48px;display:grid;place-items:center;color:var(--navy);background:var(--yellow);border-radius:14px;font-size:19px;font-weight:800;box-shadow:0 9px 20px rgba(0,0,0,.15)}.storage-copy{display:grid;gap:5px}.storage-copy>span{color:rgba(255,255,255,.56);font-size:8px;font-weight:800;letter-spacing:.09em;text-transform:uppercase}.storage-copy strong{font-size:14px}.storage-copy small{color:rgba(255,255,255,.55);font-size:8px}.storage-track{height:7px;overflow:hidden;background:rgba(255,255,255,.13);border-radius:999px}.storage-track i{width:0;height:100%;display:block;background:linear-gradient(90deg,var(--yellow),#ffdc70);border-radius:inherit;transition:width .35s ease}.security-note{display:flex;align-items:center;gap:9px;padding:11px 13px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);border-radius:11px}.security-note>span{color:#35d494;font-size:10px}.security-note div{display:grid;gap:2px}.security-note strong{font-size:9px}.security-note small{color:rgba(255,255,255,.56);font-size:8px}
.drive-card{min-height:530px;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 18px 50px rgba(7,28,66,.06)}.drive-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 20px;border-bottom:1px solid var(--line)}.breadcrumbs{min-width:0;display:flex;align-items:center;gap:5px;overflow-x:auto;scrollbar-width:none}.breadcrumbs button{flex:0 0 auto;padding:7px 9px;color:#5c6c80;background:transparent;border:0;border-radius:7px;font-size:9px;font-weight:700}.breadcrumbs button:hover,.breadcrumbs button.current{color:var(--navy);background:#eef4f8}.breadcrumbs i{color:#a6b1bd;font-style:normal;font-size:9px}.drive-tools{display:flex;align-items:center;gap:6px}.search-field input{width:230px;height:38px;padding:0 12px;color:var(--ink);background:#f8fafc;border:1px solid var(--line);border-radius:8px;outline:0;font-size:9px}.search-field input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(8,125,202,.1)}.view-button,.trash-toggle{height:38px;padding:0 11px;color:#657386;background:#fff;border:1px solid var(--line);border-radius:8px;font-size:13px}.view-button.active{color:var(--blue);background:var(--blue-soft);border-color:#bfe2f6}.trash-toggle{font-size:8px;font-weight:800}.trash-toggle.active{color:#9b2c3c;background:#ffecef;border-color:#f5cbd1}
.drop-zone{min-height:142px;display:grid;place-items:center;margin:16px 20px 0;padding:24px 18px;color:#607086;background:linear-gradient(145deg,#f9fbfd,#f3f8fc);border:2px dashed #b9c9d8;border-radius:15px;transition:background .2s,border-color .2s,box-shadow .2s,transform .2s}.drop-zone.dragging{color:#075f9a;background:linear-gradient(145deg,#e3f5ff,#f0faff);border-color:var(--blue);box-shadow:0 0 0 5px rgba(8,125,202,.12),inset 0 0 32px rgba(8,125,202,.08);transform:scale(.992)}.drop-zone div{display:grid;justify-items:center;gap:7px;text-align:center;pointer-events:none}.drop-zone-icon{width:38px;height:38px;display:grid;place-items:center;color:var(--blue);background:#e2f3fd;border:1px solid #c0e4f7;border-radius:11px;font-size:21px;font-weight:800;transition:.2s}.drop-zone.dragging .drop-zone-icon{color:#fff;background:var(--blue);border-color:var(--blue);transform:translateY(-3px) scale(1.08);box-shadow:0 10px 24px rgba(8,125,202,.28)}.drop-zone strong{color:var(--navy);font-size:11px}.drop-zone span:not(.drop-zone-icon){font-size:8px}.folder-summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 21px 10px}.folder-summary>div{display:grid;gap:3px}.folder-summary strong{color:var(--navy);font:800 20px "Libre Franklin",sans-serif}.folder-summary span{color:var(--muted);font-size:8px}.files-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px;padding:12px 20px 24px}.files-grid.list-view{display:grid;grid-template-columns:1fr}.file-card{position:relative;min-width:0;display:grid;grid-template-columns:43px minmax(0,1fr);gap:11px;align-items:center;padding:14px;background:linear-gradient(145deg,#fff,#fafcfd);border:1px solid var(--line);border-radius:12px;box-shadow:0 7px 18px rgba(7,28,66,.035);transition:transform .17s,border-color .17s,box-shadow .17s}.file-card:hover{transform:translateY(-2px);border-color:#b8d9ee;box-shadow:0 13px 26px rgba(7,28,66,.08)}.file-card.folder{cursor:default}.file-card-icon{width:43px;height:43px;display:grid;place-items:center;color:#936900;background:#fff0b8;border-radius:12px;font-size:19px;font-weight:800}.file-card.file .file-card-icon{color:#075f97;background:#e4f4fd;font-size:9px;letter-spacing:.03em}.file-card-copy{min-width:0;display:grid;gap:4px}.file-card-copy strong{overflow:hidden;color:var(--navy);font-size:10px;text-overflow:ellipsis;white-space:nowrap}.file-card-copy span,.file-card-copy small{overflow:hidden;color:var(--muted);font-size:8px;text-overflow:ellipsis;white-space:nowrap}.file-card-actions{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:5px;padding-top:8px;border-top:1px solid #edf1f4}.file-card-actions button{min-height:28px;padding:0 8px;color:#4f6177;background:#f3f6f9;border:0;border-radius:7px;font-size:7px;font-weight:800}.file-card-actions button.primary{color:#fff;background:var(--blue)}.file-card-actions button.danger{color:#a62d3c;background:#ffecef}.file-card-actions button.restore{color:#08724c;background:#e4f7ee}.files-grid.list-view .file-card{grid-template-columns:42px minmax(180px,1fr) minmax(120px,.5fr) auto}.files-grid.list-view .file-card-actions{grid-column:auto;padding:0;border:0}.empty-state{padding:65px 20px;text-align:center}.empty-state div{width:54px;height:54px;display:grid;place-items:center;margin:0 auto 14px;color:#8ba0b5;background:#eef3f7;border-radius:17px;font-size:28px}.empty-state strong{color:var(--navy);font:800 20px "Libre Franklin",sans-serif}.empty-state p{margin:8px 0;color:var(--muted);font-size:9px}.loading-state{padding:75px 20px;color:var(--muted);font-size:10px;text-align:center}
.upload-panel{position:fixed;z-index:45;right:20px;bottom:20px;width:min(390px,calc(100% - 40px));max-height:65vh;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:16px 16px 5px 16px;box-shadow:0 22px 65px rgba(2,16,40,.25)}.upload-panel header{display:flex;align-items:center;justify-content:space-between;padding:15px 16px;color:#fff;background:var(--navy)}.upload-panel header>div{display:grid;gap:2px}.upload-panel header strong{font-size:10px}.upload-panel header span{color:rgba(255,255,255,.6);font-size:8px}.upload-panel header button{width:29px;height:29px;color:#fff;background:rgba(255,255,255,.1);border:0;border-radius:50%;font-size:18px}.upload-queue{max-height:50vh;display:grid;gap:1px;overflow-y:auto;background:#edf1f4}.upload-item{display:grid;grid-template-columns:1fr auto;gap:7px;padding:11px 13px;background:#fff}.upload-item>div{min-width:0;display:grid;gap:5px}.upload-item strong{overflow:hidden;color:var(--navy);font-size:8px;text-overflow:ellipsis;white-space:nowrap}.upload-item span{color:var(--muted);font-size:7px}.upload-item b{color:var(--green);font-size:7px}.upload-progress{height:4px;overflow:hidden;background:#edf1f4;border-radius:99px}.upload-progress i{width:0;height:100%;display:block;background:var(--blue);transition:width .15s}.upload-item.error b{color:var(--danger)}
.admin-dialog,.preview-dialog{width:100%;max-width:none;height:100%;max-height:none;margin:0;padding:20px;background:transparent;border:0}.admin-dialog::backdrop,.preview-dialog::backdrop{background:rgba(3,15,36,.76);backdrop-filter:blur(8px)}.admin-dialog[open],.preview-dialog[open]{display:grid;place-items:center}.dialog-card{position:relative;width:min(490px,100%);padding:34px;background:radial-gradient(circle at 50% -10%,rgba(8,125,202,.1),transparent 38%),#fff;border:1px solid rgba(255,255,255,.9);border-radius:22px;box-shadow:0 30px 90px rgba(0,0,0,.3)}.dialog-card h2{margin:4px 0 23px;color:var(--navy);font:800 31px/1.05 "Libre Franklin",sans-serif}.dialog-close{position:absolute;top:14px;right:14px;width:35px;height:35px;color:var(--muted);background:#edf2f6;border:0;border-radius:50%;font-size:20px}.dialog-card label{display:grid;gap:7px;color:#435269;font-size:9px;font-weight:800}.dialog-card input{height:45px;padding:0 12px;color:var(--ink);background:#fafcfd;border:1px solid var(--line);border-radius:9px;outline:0}.dialog-card input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(8,125,202,.1)}.dialog-submit{width:100%;margin-top:15px}.dialog-status{min-height:14px;margin:9px 0 0;color:var(--danger);font-size:8px}.confirm-card{text-align:center}.confirm-icon{width:56px;height:56px;display:grid;place-items:center;margin:0 auto 18px;color:#fff;background:linear-gradient(145deg,#f3b423,#d99100);border-radius:18px;font-size:24px;font-weight:800;box-shadow:0 12px 25px rgba(217,145,0,.23)}.confirm-card h2{margin-bottom:11px}.confirm-card>p:not(.eyebrow){margin:0;color:var(--muted);font-size:10px;line-height:1.6}.confirm-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:24px}
.preview-card{width:min(960px,100%);height:min(760px,calc(100vh - 40px));display:grid;grid-template-rows:auto 1fr auto;overflow:hidden;background:#fff;border-radius:20px;box-shadow:0 30px 100px rgba(0,0,0,.35)}.preview-card header{display:flex;justify-content:space-between;gap:20px;padding:18px 21px;border-bottom:1px solid var(--line)}.preview-card header h2{margin:0;color:var(--navy);font:800 20px "Libre Franklin",sans-serif}.preview-card header span{display:block;margin-top:5px;color:var(--muted);font-size:8px}.preview-card header button{width:35px;height:35px;color:var(--muted);background:#edf2f6;border:0;border-radius:50%;font-size:20px}.preview-content{min-height:0;display:grid;place-items:center;overflow:auto;background:#e9eef3}.preview-content iframe,.preview-content img{width:100%;height:100%;border:0;object-fit:contain}.preview-content>span{color:var(--muted);font-size:10px}.preview-card footer{padding:12px 18px;text-align:right;border-top:1px solid var(--line)}
.toast-region{position:fixed;z-index:100;right:22px;bottom:22px;width:min(355px,calc(100% - 44px));display:grid;gap:8px;pointer-events:none}.toast{padding:13px 15px;color:#fff;background:var(--navy);border-radius:12px 12px 4px 12px;box-shadow:0 16px 40px rgba(2,16,40,.28);font-size:9px;line-height:1.5;animation:toast-in .2s ease both}.toast strong{display:block;margin-bottom:2px;font-size:10px}.toast.error{background:#8f2635}@keyframes toast-in{from{opacity:0;transform:translateY(9px) scale(.97)}to{opacity:1;transform:none}}
@media(max-width:1000px){.files-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.drive-toolbar{align-items:stretch;flex-direction:column}.drive-tools{flex-wrap:wrap}.search-field{flex:1}.search-field input{width:100%}}
@media(max-width:760px){.admin-shell{width:calc(100% - 22px)}.admin-nav a:not(.active){display:none}.page-heading{align-items:stretch;flex-direction:column}.heading-actions{justify-content:flex-start}.storage-overview{grid-template-columns:auto 1fr}.security-note{grid-column:1/-1}.files-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.files-grid.list-view .file-card{grid-template-columns:42px 1fr}.files-grid.list-view .file-card-actions{grid-column:1/-1}.folder-summary>span{display:none}}
@media(max-width:520px){.header-inner{gap:8px}.institutional-copy small{display:none}.admin-nav button{margin-left:0;padding:9px}.admin-main{padding-top:33px}.page-heading h1{font-size:38px}.heading-actions{display:grid;grid-template-columns:1fr 1fr}.heading-actions button{padding:0 8px}.heading-actions .primary-button{grid-column:1/-1}.storage-overview{padding:16px}.storage-icon{width:42px;height:42px}.drive-toolbar{padding:13px}.drive-tools{display:grid;grid-template-columns:1fr repeat(4,38px)}.search-field{grid-column:1/-1}.view-button,.trash-toggle{width:38px;padding:0}.trash-toggle{font-size:0}.trash-toggle::before{content:"♲";font-size:15px}.drop-zone{margin:12px 12px 0}.files-grid{grid-template-columns:1fr;padding:10px 12px 20px}.file-card{grid-template-columns:42px 1fr}.folder-summary{padding-inline:13px}.confirm-actions{grid-template-columns:1fr}.dialog-card{padding:30px 20px}.preview-dialog{padding:0}.preview-card{height:100%;border-radius:0}.upload-panel{right:10px;bottom:10px;width:calc(100% - 20px)}}