.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.auth-card{background:var(--surface);border-radius:var(--radius-xl);padding:40px;width:100%;max-width:400px;box-shadow:var(--shadow-xl);animation:scaleIn .3s ease}.auth-logo{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:28px}.auth-logo-icon{width:44px;height:44px;background:var(--primary);border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.auth-logo-text{font-size:22px;font-weight:700;color:var(--text);letter-spacing:-.5px}.auth-title{font-size:20px;font-weight:700;color:var(--text);margin-bottom:4px}.auth-subtitle{font-size:14px;color:var(--text2);margin-bottom:28px}.auth-form .input{padding:11px 12px}.auth-btn{width:100%;padding:11px;font-size:15px;margin-top:4px}.auth-btn .spinner{border-color:#ffffff4d;border-top-color:#fff}.auth-footer{text-align:center;margin-top:20px;font-size:14px;color:var(--text2)}.auth-footer a{color:var(--primary);font-weight:500}.auth-footer a:hover{text-decoration:underline}.auth-error{background:var(--danger-light);border:1px solid rgba(239,68,68,.2);border-radius:var(--radius);padding:10px 12px;font-size:13px;color:var(--danger);margin-bottom:16px;display:flex;align-items:center;gap:8px}.password-wrapper{position:relative}.password-toggle{position:absolute;right:10px;top:50%;transform:translateY(-50%);color:var(--text3);padding:4px;display:flex;align-items:center}.password-toggle:hover{color:var(--text2)}.app-layout{display:flex;height:100vh;overflow:hidden;background:var(--bg)}.header{position:fixed;top:0;left:0;right:0;height:var(--header-h);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 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var(--transition)}.folder-action-btn:hover{background:var(--surface2);color:var(--text)}.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(165px,1fr));gap:10px}.file-list{display:flex;flex-direction:column;gap:2px}.file-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:14px 14px 12px;cursor:pointer;transition:all var(--transition);position:relative;display:flex;flex-direction:column;gap:8px;-webkit-user-select:none;user-select:none}.file-card:hover{border-color:var(--border2);box-shadow:var(--shadow);transform:translateY(-1px)}.file-card.selected{border-color:var(--primary);background:var(--primary-light)}.file-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;font-family:monospace;flex-shrink:0}.file-icon 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ease}.preview-video,.preview-audio{max-width:90vw;max-height:80vh;outline:none}.preview-audio{width:400px;max-width:90vw}.preview-pdf{width:100%;height:100%;border:none;background:#fff;border-radius:4px}.preview-text{background:#1e293b;color:#e2e8f0;padding:24px;border-radius:var(--radius-lg);font-family:Menlo,Monaco,Courier New,monospace;font-size:13px;line-height:1.7;white-space:pre-wrap;word-break:break-all;max-width:900px;width:100%;overflow-x:auto}.preview-docx{background:var(--surface);padding:48px;border-radius:var(--radius-lg);max-width:800px;width:100%;overflow-x:auto;line-height:1.8;font-size:14px;animation:fadeIn .3s ease}.preview-excel-wrap{background:var(--surface);border-radius:var(--radius-lg);overflow:auto;max-width:100%;max-height:100%;animation:fadeIn .3s ease}.preview-excel-tabs{display:flex;gap:4px;padding:8px 12px;border-bottom:1px solid var(--border);background:var(--surface2);flex-shrink:0}.excel-tab{padding:4px 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var(--border)}.page-loading{display:flex;align-items:center;justify-content:center;height:200px}.search-banner{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--primary-light);border-radius:var(--radius);font-size:14px;color:var(--primary);margin-bottom:16px;font-weight:500}@media (max-width: 768px){.hamburger{display:flex}.header-logo-text{display:none}.header-logo{width:auto}.sidebar{transform:translate(-100%);width:260px;box-shadow:var(--shadow-xl)}.sidebar.open{transform:translate(0)}.sidebar-overlay{display:block}.main-content{margin-left:0;padding:16px}.folder-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px}.file-grid{grid-template-columns:repeat(2,1fr);gap:8px}.file-row-size,.file-row-date,.user-name{display:none}.preview-docx{padding:20px}.upload-panel{max-height:90vh}.modal{max-width:100%;margin:0 8px}.toast-container{bottom:16px;right:12px;left:12px}.toast{max-width:100%}.toolbar{gap:6px}}@media (max-width: 480px){.file-grid,.folder-grid{grid-template-columns:repeat(2,1fr)}.file-card,.folder-card{padding:10px}.main-content{padding:12px}}@media (min-width: 1200px){.file-grid{grid-template-columns:repeat(auto-fill,minmax(170px,1fr))}.folder-grid{grid-template-columns:repeat(auto-fill,minmax(175px,1fr))}}.admin-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.admin-table-wrap{overflow-x:auto}.admin-table{width:100%;border-collapse:collapse;font-size:14px}.admin-table th{text-align:left;padding:12px 16px;font-size:12px;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:.4px;background:var(--surface2);border-bottom:1px solid var(--border)}.admin-table td{padding:12px 16px;border-bottom:1px solid var(--border);vertical-align:middle}.admin-table tr:last-child td{border-bottom:none}.admin-table tr:hover td{background:var(--bg)}.user-cell{display:flex;align-items:center;gap:12px}.user-cell-avatar{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;flex-shrink:0}.user-cell-name{font-weight:500;font-size:14px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}.user-cell-email{font-size:12px;color:var(--text3);margin-top:1px}.badge-superadmin{font-size:9px;font-weight:700;background:#ede9fe;color:#7c3aed;padding:1px 6px;border-radius:4px;letter-spacing:.3px}.badge-you{font-size:10px;font-weight:600;background:var(--primary-light);color:var(--primary);padding:1px 6px;border-radius:4px}.role-badge{display:inline-flex;align-items:center;padding:2px 10px;background:var(--surface2);border:1px solid var(--border);border-radius:100px;font-size:12px;font-weight:500;color:var(--text2)}.role-list{display:flex;flex-direction:column;gap:0}.role-card{padding:18px 20px;border-bottom:1px solid var(--border);transition:background var(--transition)}.role-card:last-child{border-bottom:none}.role-card:hover{background:var(--bg)}.role-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:10px}.role-card-name{font-size:15px;font-weight:600;color:var(--text)}.role-card-meta{font-size:12px;color:var(--text3);margin-top:3px}.role-perms{display:flex;flex-wrap:wrap;gap:6px}.perm-tag{display:inline-flex;align-items:center;padding:3px 10px;background:var(--primary-light);color:var(--primary);border-radius:100px;font-size:12px;font-weight:500}.permission-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:4px}.perm-check{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all var(--transition);-webkit-user-select:none;user-select:none}.perm-check input{display:none}.perm-check:hover,.perm-check.checked{border-color:var(--primary);background:var(--primary-light)}.perm-check-box{width:16px;height:16px;border:2px solid var(--border2);border-radius:4px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all var(--transition);color:var(--primary)}.perm-check.checked .perm-check-box{border-color:var(--primary);background:var(--primary);color:#fff}.perm-check-label{font-size:13px;color:var(--text)}select.input{cursor:pointer}@media (max-width: 768px){.permission-grid{grid-template-columns:1fr}.admin-table th:nth-child(3),.admin-table td:nth-child(3),.admin-table th:nth-child(4),.admin-table td:nth-child(4){display:none}}:root{--bg: #f8fafc;--surface: #ffffff;--surface2: #f1f5f9;--border: #e2e8f0;--border2: #cbd5e1;--primary: #4f46e5;--primary-h: #4338ca;--primary-light: #eef2ff;--primary-muted: rgba(79,70,229,.1);--text: #1e293b;--text2: #64748b;--text3: #94a3b8;--danger: #ef4444;--danger-light: #fef2f2;--success: #22c55e;--success-light: #f0fdf4;--warning: #f59e0b;--warning-light: #fffbeb;--info: #3b82f6;--info-light: #eff6ff;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow: 0 4px 6px -1px rgba(0,0,0,.07),0 2px 4px -1px rgba(0,0,0,.04);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08),0 4px 6px -2px rgba(0,0,0,.05);--shadow-xl: 0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,.04);--radius: 8px;--radius-lg: 12px;--radius-xl: 16px;--transition: .18s ease;--sidebar-w: 240px;--header-h: 60px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:15px;scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border2);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--text3)}*{scrollbar-width:thin;scrollbar-color:var(--border2) transparent}button{cursor:pointer;border:none;background:none;font-family:inherit;font-size:inherit}input,textarea,select{font-family:inherit;font-size:inherit}a{text-decoration:none;color:inherit}img{max-width:100%}ul,ol{list-style:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:14px;font-weight:500;transition:all var(--transition);white-space:nowrap;-webkit-user-select:none;user-select:none;outline:none}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-h)}.btn-secondary{background:var(--surface2);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--border)}.btn-ghost{color:var(--text2);padding:6px 10px}.btn-ghost:hover:not(:disabled){background:var(--surface2);color:var(--text)}.btn-danger{background:var(--danger-light);color:var(--danger)}.btn-danger:hover:not(:disabled){background:var(--danger);color:#fff}.btn-sm{padding:5px 10px;font-size:13px}.btn-xs{padding:3px 8px;font-size:12px}.btn-icon{padding:7px;border-radius:var(--radius)}.btn-icon-sm{padding:5px;border-radius:6px}.input{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;color:var(--text);background:var(--surface);transition:border-color var(--transition),box-shadow var(--transition);outline:none}.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-muted)}.input::placeholder{color:var(--text3)}.input-label{display:block;font-size:14px;font-weight:500;color:var(--text);margin-bottom:6px}.input-group{margin-bottom:16px}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}.spinner-lg{width:36px;height:36px;border-width:3px}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:60px 20px;color:var(--text3)}.empty-state svg{opacity:.4}.empty-state p{font-size:14px}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.text-sm{font-size:13px}.text-xs{font-size:12px}.text-muted{color:var(--text2)}.text-danger{color:var(--danger)}.text-success{color:var(--success)}.fw-500{font-weight:500}.fw-600{font-weight:600}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.gap-2{gap:8px}.gap-1{gap:4px}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes slideOutRight{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(20px)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.fade-in{animation:fadeIn .2s ease}.slide-up{animation:slideUp .25s ease}.scale-in{animation:scaleIn .2s ease}@media (max-width: 768px){:root{--sidebar-w: 0px}}