:root{--bg-deep:#f0f4f9;--bg-base:#f7f9fc;--bg-surface:#fff;--bg-elevated:#f4f6fb;--bg-hover:#edf1f8;--accent:#3b6de0;--accent-hover:#2f5bc7;--accent-soft:#3b6de014;--accent-medium:#3b6de026;--accent-glow:#3b6de00d;--accent-text:#2c5cc5;--text-primary:#1a2332;--text-secondary:#5a6a7e;--text-tertiary:#94a3b8;--text-inverse:#fff;--success:#16a34a;--success-soft:#16a34a14;--danger:#dc2626;--danger-soft:#dc262612;--info:#2563eb;--info-soft:#2563eb14;--border:#e2e8f0;--border-subtle:#f1f5f9;--border-accent:#3b6de033;--shadow-sm:0 1px 2px #0f172a0a;--shadow-md:0 4px 16px #0f172a0f;--shadow-lg:0 12px 40px #0f172a1a;--shadow-xl:0 20px 60px #0f172a1f;--font-display:"Crimson Pro", "Noto Serif SC", Georgia, serif;--font-body:"Outfit", "Noto Sans SC", system-ui, sans-serif;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--ease-out:cubic-bezier(.16, 1, .3, 1);--ease-spring:cubic-bezier(.34, 1.56, .64, 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input[type=checkbox]{cursor:pointer}.empty-state{text-align:center;color:var(--text-tertiary);animation:fadeIn .5s var(--ease-out);padding:80px 20px;font-size:14px}.empty-state .empty-icon{opacity:.35;margin-bottom:16px}.empty-state .empty-icon svg{width:56px;height:56px;color:var(--text-tertiary)}.empty-state p{color:var(--text-tertiary)}.drop-overlay{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:900;pointer-events:none;background:#3b6de00f;justify-content:center;align-items:center;animation:.15s overlayIn;display:flex;position:fixed;inset:0}.drop-zone{border:2.5px dashed var(--accent);border-radius:var(--radius-xl);text-align:center;background:#3b6de00a;width:460px;max-width:80vw;padding:56px 40px;animation:1.5s ease-in-out infinite dropzonePulse}.drop-zone svg{width:52px;height:52px;color:var(--accent);opacity:.7;margin-bottom:16px}.drop-zone h3{color:var(--accent-text);margin-bottom:6px;font-size:18px;font-weight:600}.drop-zone p{color:var(--text-secondary);font-size:13px}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#0f172a4d;justify-content:center;align-items:center;animation:.2s overlayIn;display:flex;position:fixed;inset:0}.modal{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);width:500px;max-width:92vw;max-height:85vh;box-shadow:var(--shadow-xl);animation:fadeInScale .3s var(--ease-out);padding:28px;overflow-y:auto}.modal h2{color:var(--text-primary);align-items:center;gap:10px;margin-bottom:20px;font-size:18px;font-weight:600;display:flex}.modal h2 svg{width:20px;height:20px;color:var(--accent)}.modal-actions{border-top:1px solid var(--border-subtle);justify-content:flex-end;gap:8px;margin-top:24px;padding-top:16px;display:flex}.share-link-box{background:var(--bg-elevated);border-radius:var(--radius-md);border:1px solid var(--border-accent);align-items:center;gap:8px;margin-top:16px;padding:12px 14px;display:flex}.share-link-box input{color:var(--accent-text);background:0 0;border:none;outline:none;flex:1;padding:0;font-family:SF Mono,Cascadia Code,Consolas,monospace;font-size:13px}.upload-overlay{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:999;background:#0f172a40;justify-content:center;align-items:center;animation:.2s overlayIn;display:flex;position:fixed;inset:0}.upload-box{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);text-align:center;box-shadow:var(--shadow-xl);animation:fadeInScale .3s var(--ease-out);padding:40px 48px}.upload-progress-ring{width:80px;height:80px;margin:0 auto 16px;position:relative}.upload-progress-ring svg{width:100%;height:100%}.upload-progress-text{color:var(--accent);justify-content:center;align-items:center;font-size:16px;font-weight:600;display:flex;position:absolute;inset:0}.upload-box p{color:var(--text-secondary);font-size:14px}.share-page{background:var(--bg-deep);min-height:100vh}.share-header{text-align:center;border-bottom:1px solid var(--border);background:linear-gradient(160deg,#dbeafe 0%,#ede9fe 50%,#fce7f3 100%);padding:56px 24px 48px;position:relative;overflow:hidden}.share-header:before{content:"";pointer-events:none;background:radial-gradient(#3b6de01a 0%,#0000 70%);width:600px;height:400px;position:absolute;top:-80px;left:50%;transform:translate(-50%)}.share-header .share-badge{color:var(--accent-text);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fff9;border:1px solid #3b6de026;border-radius:20px;align-items:center;gap:6px;margin-bottom:16px;padding:6px 14px;font-size:12px;font-weight:500;display:inline-flex}.share-header .share-badge svg{width:14px;height:14px}.share-header h1{font-family:var(--font-display);color:var(--text-primary);margin-bottom:8px;font-size:30px;font-weight:600;position:relative}.share-header p{color:var(--text-secondary);font-size:13px;position:relative}.share-content{max-width:720px;margin:0 auto;padding:28px 20px}.share-actions{justify-content:center;gap:10px;margin-bottom:24px;display:flex}.share-file-list{background:var(--bg-surface);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm);overflow:hidden}.share-file-item{border-bottom:1px solid var(--border-subtle);align-items:center;gap:14px;padding:14px 20px;transition:background .15s;display:flex}.share-file-item:last-child{border-bottom:none}.share-file-item:hover{background:var(--bg-hover)}.share-file-item.select-all{background:var(--bg-elevated);border-bottom:1px solid var(--border)}.share-file-item .file-type-icon{background:var(--bg-elevated);border-radius:var(--radius-sm);width:36px;height:36px;color:var(--text-tertiary);flex-shrink:0;justify-content:center;align-items:center;display:flex}.share-file-item .name{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:13.5px;overflow:hidden}.share-file-item .size{color:var(--text-tertiary);font-variant-numeric:tabular-nums;white-space:nowrap;font-size:12.5px}.share-manager-title{color:var(--text-primary);animation:fadeIn .4s var(--ease-out);align-items:center;gap:10px;margin-bottom:20px;font-size:17px;font-weight:600;display:flex}.share-manager-title svg{width:20px;height:20px;color:var(--accent)}.share-list-item{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-md);transition:all .2s var(--ease-out);animation:fadeIn .35s var(--ease-out) both;box-shadow:var(--shadow-sm);align-items:center;gap:16px;margin-bottom:10px;padding:16px 20px;display:flex}.share-list-item:hover{box-shadow:var(--shadow-md);border-color:#cbd5e1}.share-list-item .share-icon{background:var(--accent-soft);border-radius:var(--radius-sm);width:40px;height:40px;color:var(--accent);flex-shrink:0;justify-content:center;align-items:center;display:flex}.share-list-item .share-icon.inactive{background:var(--bg-elevated);color:var(--text-tertiary)}.share-list-item .info{flex:1;min-width:0}.share-list-item .info .name{color:var(--text-primary);align-items:center;gap:8px;margin-bottom:2px;font-size:14px;font-weight:500;display:flex}.share-list-item .info .name .status-badge{border-radius:10px;padding:2px 8px;font-size:11px;font-weight:500}.share-list-item .info .name .status-badge.closed{background:var(--danger-soft);color:var(--danger)}.share-list-item .info .meta{color:var(--text-tertiary);font-size:12px}.share-list-item .share-actions-group{flex-shrink:0;gap:6px;display:flex}.share-list-item .inactive-label{color:var(--text-tertiary);font-size:12px;font-style:italic}.move-tree{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-elevated);max-height:320px;padding:6px;overflow-y:auto}.move-tree-item{cursor:pointer;border-radius:var(--radius-sm);color:var(--text-secondary);align-items:center;gap:10px;padding:10px 14px;font-size:13.5px;transition:all .15s;display:flex}.move-tree-item:hover{background:var(--bg-hover);color:var(--text-primary)}.move-tree-item.selected{background:var(--accent);color:var(--text-inverse)}.move-tree-item svg{flex-shrink:0;width:18px;height:18px}.move-hint{color:var(--text-tertiary);margin-top:10px;font-size:12px}.move-error{color:var(--danger);margin-top:6px;font-size:12px}.loading-state{animation:fadeIn .4s var(--ease-out);flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:80px 20px;display:flex}.loading-state .spinner{border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:28px;height:28px;animation:.8s linear infinite spin}.loading-state p{color:var(--text-tertiary);font-size:13px}.share-error-page{background:var(--bg-deep);min-height:100vh;animation:fadeIn .5s var(--ease-out);flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex}.share-error-page svg{width:56px;height:56px;color:var(--text-tertiary);opacity:.4}.share-error-page h2{color:var(--text-primary);font-size:20px;font-weight:600}.share-error-page p{color:var(--text-tertiary);font-size:14px}.share-path-list{margin-top:8px;list-style:none}.share-path-list li{background:var(--bg-elevated);border-radius:var(--radius-sm);color:var(--text-secondary);align-items:center;gap:8px;margin-bottom:4px;padding:6px 12px;font-family:SF Mono,Cascadia Code,Consolas,monospace;font-size:13px;display:flex}.share-path-list li svg{width:14px;height:14px;color:var(--accent);flex-shrink:0}.success-msg{background:var(--success-soft);border-radius:var(--radius-sm);color:var(--success);align-items:center;gap:8px;margin-bottom:12px;padding:10px 14px;font-size:13.5px;font-weight:500;display:flex}.success-msg svg{flex-shrink:0;width:18px;height:18px}@media (width<=768px){.admin-header{padding:0 16px}.container{padding:16px}.file-table .col-date{display:none}.login-card{padding:36px 28px}.modal{margin:16px;padding:24px 20px}}