:root,[data-theme=light]{--bg:#f5f6fa;--card:#fff;--border:#e1e4e8;--text:#1f2430;--muted:#6b7280;--accent:#3b6fed;--accent-dark:#2c56c4;--danger:#e5484d;--success:#22a35c}[data-theme=dark]{--bg:#14161c;--card:#1d2029;--border:#2b2f3a;--text:#eef0f5;--muted:#9aa1b1;--accent:#5b8cff;--accent-dark:#7ba0ff;--danger:#ff6b6f;--success:#33c17a}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;transition:background .2s,color .2s}.app-shell{flex-direction:column;min-height:100vh;display:flex}.topbar{background:var(--card);border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:14px 20px;display:flex}.brand{color:var(--text);font-size:1.1rem;font-weight:700;text-decoration:none}.topbar nav{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.topbar nav a{color:var(--accent);text-decoration:none}.who{color:var(--muted);font-size:.9rem}.badge{background:var(--accent);color:#fff;border-radius:10px;margin-left:6px;padding:2px 6px;font-size:.7rem}.theme-toggle{border:1px solid var(--border);background:0 0;border-radius:8px;padding:6px 10px;font-size:1rem}.theme-toggle:hover{background:var(--bg)}main{flex:1;width:100%;max-width:1000px;margin:0 auto;padding:20px}.centered{text-align:center;color:var(--muted);padding:40px 0}.meta{color:var(--muted);font-size:.85rem}.home{flex-wrap:wrap;justify-content:center;align-items:flex-start;gap:32px;display:flex}.hero{max-width:480px}.hero h1{margin-bottom:4px;font-size:2rem}.tagline{color:var(--muted);line-height:1.5}.how-it-works ol{padding-left:20px;line-height:1.8}.disclaimer{background:var(--card);border:1px solid var(--border);border-radius:10px;margin-top:16px;padding:16px 18px}.disclaimer h3{margin-top:0}.disclaimer p,.disclaimer ul{color:var(--muted);font-size:.85rem}.guest-notice{background:var(--bg);border:1px dashed var(--border);border-radius:10px;margin-top:16px;padding:12px}.guest-notice p{margin:4px 0}.guest-notice code{background:var(--card);border-radius:4px;padding:2px 6px}.auth-card{background:var(--card);border:1px solid var(--border);border-radius:12px;width:100%;max-width:380px;padding:28px}.auth-card h1,.auth-card h2{margin-top:0;font-size:1.3rem}.auth-card form{flex-direction:column;gap:12px;display:flex}.auth-card label{color:var(--muted);flex-direction:column;gap:6px;font-size:.9rem;display:flex}.checkbox-row{align-items:center;flex-direction:row!important;gap:8px!important}.auth-card input:not([type=checkbox]){border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:8px;padding:10px 12px;font-size:1rem}.password-rules{color:var(--muted);margin:-4px 0 4px;font-size:.78rem}.form-links{text-align:right;font-size:.85rem}.form-links a{color:var(--accent)}.dev-box{background:var(--bg);border:1px dashed var(--border);word-break:break-all;border-radius:8px;margin:10px 0;padding:10px;font-size:.85rem}input,button,select{font-family:inherit}button{cursor:pointer;background:var(--accent);color:#fff;border:none;border-radius:8px;padding:10px 16px;font-size:.95rem}button:hover{background:var(--accent-dark)}button:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border);justify-content:center;align-items:center;text-decoration:none;display:inline-flex}.btn-secondary:hover{background:var(--border)}.btn-danger{background:var(--danger)}.btn-danger:hover{filter:brightness(.9)}.link-btn{color:var(--accent);font-size:inherit;background:0 0;border:none;padding:0}.link-btn:hover{background:0 0;text-decoration:underline}.link-btn.small{align-self:flex-start;margin-bottom:-4px;font-size:.8rem}.error{color:var(--danger);font-size:.9rem}.dashboard-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px;display:flex}.breadcrumbs{color:var(--muted)}.storage-line{margin:4px 0 16px}.search-bar{gap:6px;display:flex}.search-bar input{border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:8px;min-width:200px;padding:8px 12px}.toolbar{background:var(--card);border:1px solid var(--border);border-radius:12px;flex-wrap:wrap;gap:20px;margin-bottom:20px;padding:16px;display:flex}.upload-zone{border:2px dashed #0000;border-radius:10px;flex:1;min-width:260px;padding:6px;transition:border-color .15s,background .15s}.upload-zone.drag-active{border-color:var(--accent);background:var(--bg)}.upload-controls{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.dropzone-hint{color:var(--muted);margin:6px 0 0;font-size:.8rem}.expiry-select{color:var(--muted);align-items:center;gap:6px;font-size:.85rem;display:flex}.expiry-select select{border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:6px;padding:6px 8px}.upload-queue{flex-direction:column;gap:6px;margin:10px 0 0;padding:0;list-style:none;display:flex}.upload-queue li{align-items:center;gap:8px;font-size:.8rem;display:flex}.q-name{text-overflow:ellipsis;white-space:nowrap;flex:0 0 120px;overflow:hidden}.q-status{flex:0 0 30px}.new-folder-form{align-items:center;gap:8px;display:flex}.new-folder-form input{border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:8px;padding:8px 10px}.progress-bar{background:var(--border);border-radius:4px;width:160px;height:6px;overflow:hidden}.progress-bar.small{flex:1;width:80px;height:5px}.progress-fill{background:var(--accent);height:100%;transition:width .2s}.progress-fill.error{background:var(--danger)}.grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;display:grid}.empty{color:var(--muted);grid-column:1/-1}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;flex-direction:column;gap:2px;padding:4px;display:flex}.card-main{color:var(--text);text-align:center;background:0 0;border-radius:8px;flex-direction:column;flex:1;align-items:center;gap:4px;padding:16px 8px 8px;text-decoration:none;display:flex}.card-main:hover{background:var(--bg)}.card .icon{font-size:2rem}.card .icon.big{font-size:3.5rem}.card .name{word-break:break-word;font-size:.85rem}.card .meta.expiry{font-size:.7rem}.card-actions{justify-content:center;gap:4px;padding:4px 0 6px;display:flex}.card-actions button,.card-actions a{color:var(--muted);background:0 0;padding:4px 6px;font-size:.9rem;text-decoration:none}.card-actions button:hover,.card-actions a:hover{background:var(--bg);color:var(--text)}.modal-backdrop{z-index:50;background:#00000073;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal{background:var(--card);border:1px solid var(--border);border-radius:12px;width:100%;max-width:420px;padding:24px}.modal-large{max-width:640px}.modal-actions{justify-content:flex-end;gap:10px;margin-top:16px;display:flex}.share-link-row{gap:8px;display:flex}.share-link-row input{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:8px;flex:1;padding:8px 10px}.share-buttons{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.share-buttons a,.share-buttons button{padding:8px 12px;font-size:.85rem}.preview-area{text-align:center;max-height:60vh;overflow:auto}.preview-area img{border-radius:8px;max-width:100%}.preview-area iframe{border:none;width:100%;height:60vh}.public-share-card{text-align:center}.public-file-preview{padding:20px 0}.public-file-preview .name{margin:8px 0 2px;font-weight:600}.download-btn{background:var(--accent);color:#fff;border-radius:8px;margin:12px 0;padding:12px 20px;font-weight:600;text-decoration:none;display:inline-block}.toast-stack{z-index:100;flex-direction:column;gap:8px;max-width:320px;display:flex;position:fixed;bottom:20px;right:20px}.toast{background:var(--card);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:12px 16px;font-size:.9rem;box-shadow:0 4px 12px #00000026}.toast-success{border-left:4px solid var(--success)}.toast-error{border-left:4px solid var(--danger)}.toast-info{border-left:4px solid var(--accent)}.admin section{margin-bottom:24px}.admin-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:16px;display:flex}.admin-header h1{margin:0}.cleanup-btn{font-weight:600}.stats-card{background:var(--card);border:1px solid var(--border);border-radius:12px;margin-bottom:20px;padding:20px}.admin-tabs{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:flex}.admin-tabs button{background:var(--card);color:var(--text);border:1px solid var(--border)}.admin-tabs button.active{background:var(--accent);color:#fff;border-color:var(--accent)}.row-actions{white-space:nowrap;flex-wrap:wrap;gap:10px;display:flex}.danger-link{color:var(--danger)}.deactivated{color:var(--danger);font-weight:600}.badge-super{background:var(--danger);color:#fff;border-radius:10px;margin-left:6px;padding:2px 6px;font-size:.65rem}.admin-browse{flex-direction:column;gap:14px;display:flex}.browse-user-select{color:var(--muted);align-items:center;gap:8px;font-size:.9rem;display:flex}.browse-user-select select{border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:8px;padding:8px 10px}table{border-collapse:collapse;background:var(--card);border:1px solid var(--border);border-radius:12px;width:100%;font-size:.85rem;overflow:hidden}th,td{text-align:left;border-bottom:1px solid var(--border);padding:10px 14px}th{color:var(--muted);background:var(--bg);font-weight:600}tr:last-child td{border-bottom:none}@media (width<=640px){main{padding:12px}.home{flex-direction:column}.topbar{padding:10px 12px}.grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}table{font-size:.75rem}th,td{padding:8px}.q-name{flex-basis:80px}}