:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-tertiary: #1a1a24;--bg-card: rgba(26, 26, 36, .8);--bg-card-hover: rgba(35, 35, 50, .9);--accent-primary: #6366f1;--accent-secondary: #8b5cf6;--accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);--accent-glow: rgba(99, 102, 241, .3);--success: #10b981;--warning: #f59e0b;--error: #ef4444;--info: #3b82f6;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-tertiary: #64748b;--border-primary: rgba(255, 255, 255, .08);--border-secondary: rgba(255, 255, 255, .12);--border-accent: rgba(99, 102, 241, .5);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .6);--shadow-glow: 0 0 40px rgba(99, 102, 241, .15);--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--blur-sm: 8px;--blur-md: 16px;--blur-lg: 24px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 20%,rgba(99,102,241,.08) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(139,92,246,.08) 0%,transparent 50%),radial-gradient(circle at 50% 50%,rgba(168,85,247,.05) 0%,transparent 50%);pointer-events:none;z-index:-1}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;color:var(--text-primary)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}p{color:var(--text-secondary)}a{color:var(--accent-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;font-size:.9rem;font-weight:500;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);white-space:nowrap}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 4px 15px #6366f14d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #6366f166}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-secondary)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-accent)}.btn-danger{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff}.btn-danger:hover{transform:translateY(-2px);box-shadow:0 6px 20px #ef444466}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{background:var(--bg-tertiary);color:var(--text-primary)}.btn-icon{width:40px;height:40px;padding:0;border-radius:var(--radius-md)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.card{background:var(--bg-card);-webkit-backdrop-filter:blur(var(--blur-md));backdrop-filter:blur(var(--blur-md));border:1px solid var(--border-primary);border-radius:var(--radius-lg);padding:20px;transition:all var(--transition-base)}.card:hover{border-color:var(--border-secondary);box-shadow:var(--shadow-glow)}input[type=text],input[type=search],input[type=email],input[type=password]{width:100%;padding:12px 16px;font-size:.95rem;color:var(--text-primary);background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-md);outline:none;transition:all var(--transition-base)}input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow)}input::placeholder{color:var(--text-tertiary)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent-primary)}.container{width:100%;max-width:1440px;margin:0 auto;padding:0 24px}.grid{display:grid;gap:16px}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-1{gap:4px}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.gap-6{gap:24px}.p-1{padding:4px}.p-2{padding:8px}.p-3{padding:12px}.p-4{padding:16px}.p-6{padding:24px}.m-auto{margin:auto}.text-center{text-align:center}.text-sm{font-size:.875rem}.text-xs{font-size:.75rem}.text-lg{font-size:1.125rem}.font-medium{font-weight:500}.font-bold{font-weight:700}.text-muted{color:var(--text-secondary)}.text-accent{color:var(--accent-primary)}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-fade-in{animation:fadeIn .3s ease forwards}.animate-slide-in{animation:slideIn .3s ease forwards}.animate-pulse{animation:pulse 2s infinite}.animate-spin{animation:spin 1s linear infinite}.progress-bar{width:100%;height:8px;background:var(--bg-tertiary);border-radius:var(--radius-full);overflow:hidden}.progress-fill{height:100%;background:var(--accent-gradient);border-radius:var(--radius-full);transition:width var(--transition-slow)}.badge{display:inline-flex;align-items:center;padding:4px 10px;font-size:.75rem;font-weight:500;border-radius:var(--radius-full);background:var(--bg-tertiary);color:var(--text-secondary)}.badge-success{background:#10b98126;color:var(--success)}.badge-warning{background:#f59e0b26;color:var(--warning)}.badge-error{background:#ef444426;color:var(--error)}.toast{position:fixed;bottom:24px;right:24px;padding:16px 20px;background:var(--bg-card);-webkit-backdrop-filter:blur(var(--blur-md));backdrop-filter:blur(var(--blur-md));border:1px solid var(--border-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);z-index:1000;animation:slideIn .3s ease}.modal-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .2s ease}.modal{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-xl);padding:24px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-xl);animation:fadeIn .3s ease}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.modal-header h3{font-size:1.25rem}.modal-body{margin-bottom:24px}.modal-footer{display:flex;gap:12px;justify-content:flex-end}.dropzone{border:2px dashed var(--border-secondary);border-radius:var(--radius-lg);padding:40px;text-align:center;cursor:pointer;transition:all var(--transition-base)}.dropzone:hover,.dropzone.active{border-color:var(--accent-primary);background:#6366f10d}.dropzone-icon{width:64px;height:64px;margin:0 auto 16px;color:var(--text-tertiary)}@media(max-width:1024px){.grid-cols-4{grid-template-columns:repeat(3,1fr)}.grid-cols-3{grid-template-columns:repeat(2,1fr)}h1{font-size:2rem}h2{font-size:1.75rem}}@media(max-width:768px){.container{padding:0 16px}.grid-cols-4,.grid-cols-3,.grid-cols-2{grid-template-columns:repeat(2,1fr)}h1{font-size:1.75rem}h2{font-size:1.5rem}.modal{margin:16px;max-width:calc(100% - 32px)}}@media(max-width:480px){.grid-cols-4,.grid-cols-3,.grid-cols-2{grid-template-columns:1fr}.btn{padding:12px 16px;font-size:.85rem}h1{font-size:1.5rem}h2{font-size:1.25rem}}.app-layout{display:flex;min-height:100vh}.sidebar{width:280px;background:var(--bg-secondary);border-right:1px solid var(--border-primary);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:50;transition:transform var(--transition-base)}.sidebar-header{padding:24px;border-bottom:1px solid var(--border-primary)}.sidebar-logo{display:flex;align-items:center;gap:12px}.sidebar-logo-icon{width:40px;height:40px;background:var(--accent-gradient);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff}.sidebar-logo h1{font-size:1.25rem;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.sidebar-content{flex:1;padding:16px;overflow-y:auto}.sidebar-section{margin-bottom:24px}.sidebar-section-title{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--text-tertiary);padding:0 12px;margin-bottom:8px}.sidebar-nav{display:flex;flex-direction:column;gap:4px}.sidebar-nav-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--radius-md);color:var(--text-secondary);transition:all var(--transition-fast);cursor:pointer;border:none;background:none;width:100%;text-align:left;font-size:.9rem}.sidebar-nav-item:hover{background:var(--bg-tertiary);color:var(--text-primary)}.sidebar-nav-item.active{background:#6366f126;color:var(--accent-primary)}.sidebar-nav-item svg{width:20px;height:20px;flex-shrink:0}.storage-widget{margin:16px;padding:20px;background:var(--bg-tertiary);border-radius:var(--radius-lg);border:1px solid var(--border-primary)}.storage-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.storage-header h4{font-size:.85rem;font-weight:600}.storage-percentage{font-size:.75rem;color:var(--accent-primary);font-weight:600}.storage-bar{height:6px;background:var(--bg-primary);border-radius:var(--radius-full);overflow:hidden;margin-bottom:12px}.storage-bar-fill{height:100%;background:var(--accent-gradient);border-radius:var(--radius-full);transition:width var(--transition-slow)}.storage-info{display:flex;justify-content:space-between;font-size:.75rem;color:var(--text-tertiary)}.main-content{flex:1;margin-left:280px;display:flex;flex-direction:column}.header{position:sticky;top:0;background:#0a0a0fcc;-webkit-backdrop-filter:blur(var(--blur-md));backdrop-filter:blur(var(--blur-md));border-bottom:1px solid var(--border-primary);padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;z-index:40}.header-left{display:flex;align-items:center;gap:16px;flex:1}.menu-toggle{display:none;width:40px;height:40px;border:none;background:var(--bg-tertiary);border-radius:var(--radius-md);color:var(--text-primary);cursor:pointer}.search-bar{flex:1;max-width:400px;position:relative}.search-bar input{padding-left:44px}.search-bar svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:20px;height:20px;color:var(--text-tertiary)}.header-actions{display:flex;align-items:center;gap:8px}.breadcrumb{display:flex;align-items:center;gap:8px;padding:16px 24px;border-bottom:1px solid var(--border-primary);font-size:.9rem;overflow-x:auto;white-space:nowrap}.breadcrumb-item{display:flex;align-items:center;gap:8px;color:var(--text-secondary);cursor:pointer;padding:6px 12px;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.breadcrumb-item:hover{background:var(--bg-tertiary);color:var(--text-primary)}.breadcrumb-item.active{color:var(--text-primary);font-weight:500}.breadcrumb-separator{color:var(--text-tertiary)}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 24px;flex-wrap:wrap}.toolbar-left{display:flex;align-items:center;gap:8px}.toolbar-right{display:flex;align-items:center;gap:12px}.view-toggle{display:flex;background:var(--bg-tertiary);border-radius:var(--radius-md);padding:4px}.view-toggle button{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border:none;background:transparent;color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast)}.view-toggle button.active{background:var(--accent-primary);color:#fff}.view-toggle button:hover:not(.active){color:var(--text-primary)}.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;padding:24px}.file-item{background:var(--bg-card);border:1px solid var(--border-primary);border-radius:var(--radius-lg);padding:16px;cursor:pointer;transition:all var(--transition-base);position:relative;display:flex;flex-direction:column;align-items:center;text-align:center}.file-item:hover{border-color:var(--border-accent);background:var(--bg-card-hover);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.file-item.selected{border-color:var(--accent-primary);background:#6366f11a}.file-item-icon{width:64px;height:64px;margin-bottom:12px;display:flex;align-items:center;justify-content:center}.file-item-icon svg{width:48px;height:48px}.file-item-icon.folder svg{color:#fbbf24}.file-item-icon.image svg{color:#f472b6}.file-item-icon.video svg{color:#f97316}.file-item-icon.audio svg{color:#a855f7}.file-item-icon.document svg{color:#3b82f6}.file-item-icon.archive svg{color:#10b981}.file-item-icon.code svg{color:#14b8a6}.file-item-icon.file svg{color:var(--text-tertiary)}.file-item-name{font-size:.85rem;font-weight:500;color:var(--text-primary);width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:4px}.file-item-meta{font-size:.75rem;color:var(--text-tertiary)}.file-item-checkbox{position:absolute;top:12px;left:12px;width:20px;height:20px;border:2px solid var(--border-secondary);border-radius:var(--radius-sm);background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity var(--transition-fast)}.file-item:hover .file-item-checkbox,.file-item.selected .file-item-checkbox{opacity:1}.file-item.selected .file-item-checkbox{background:var(--accent-primary);border-color:var(--accent-primary)}.file-item.selected .file-item-checkbox svg{color:#fff}.file-item-actions{position:absolute;top:8px;right:8px;opacity:0;transition:opacity var(--transition-fast)}.file-item:hover .file-item-actions{opacity:1}.file-list{display:flex;flex-direction:column;padding:0 24px 24px}.file-list-header{display:grid;grid-template-columns:1fr 100px 140px 60px;gap:16px;padding:12px 16px;font-size:.75rem;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border-primary)}.file-list-item{display:grid;grid-template-columns:1fr 100px 140px 60px;gap:16px;padding:12px 16px;align-items:center;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.file-list-item:hover{background:var(--bg-card-hover)}.file-list-item.selected{background:#6366f11a}.file-list-item-name{display:flex;align-items:center;gap:12px}.file-list-item-name svg{width:24px;height:24px;flex-shrink:0}.file-list-item-name span{font-size:.9rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-list-item-size,.file-list-item-date{font-size:.85rem;color:var(--text-secondary)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 24px;text-align:center}.empty-state-icon{width:120px;height:120px;margin-bottom:24px;color:var(--text-tertiary);opacity:.5}.empty-state h3{font-size:1.25rem;margin-bottom:8px}.empty-state p{color:var(--text-tertiary);margin-bottom:24px}.upload-zone{position:fixed;inset:0;background:#6366f10d;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .2s ease}.upload-zone-inner{background:var(--bg-secondary);border:3px dashed var(--accent-primary);border-radius:var(--radius-xl);padding:60px 80px;text-align:center}.upload-zone-icon{width:80px;height:80px;margin:0 auto 24px;color:var(--accent-primary);animation:pulse 2s infinite}.upload-zone h3{font-size:1.5rem;margin-bottom:8px}.upload-progress{position:fixed;bottom:24px;right:24px;width:360px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);overflow:hidden;z-index:100;animation:slideIn .3s ease}.upload-progress-header{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--border-primary)}.upload-progress-header h4{font-size:.9rem}.upload-progress-list{max-height:240px;overflow-y:auto}.upload-progress-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border-primary)}.upload-progress-item:last-child{border-bottom:none}.upload-progress-item-icon{width:36px;height:36px;background:var(--bg-tertiary);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--text-tertiary)}.upload-progress-item-info{flex:1;min-width:0}.upload-progress-item-name{font-size:.85rem;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.upload-progress-item-status{font-size:.75rem;color:var(--text-tertiary)}.upload-progress-item-bar{height:4px;background:var(--bg-primary);border-radius:var(--radius-full);margin-top:6px;overflow:hidden}.upload-progress-item-bar-fill{height:100%;background:var(--accent-gradient);border-radius:var(--radius-full);transition:width .3s ease}.context-menu{position:fixed;min-width:180px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-md);box-shadow:var(--shadow-xl);padding:8px;z-index:200;animation:fadeIn .15s ease}.context-menu-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-sm);font-size:.85rem;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);border:none;background:none;width:100%;text-align:left}.context-menu-item:hover{background:var(--bg-tertiary);color:var(--text-primary)}.context-menu-item.danger{color:var(--error)}.context-menu-item.danger:hover{background:#ef44441a}.context-menu-item svg{width:18px;height:18px}.context-menu-divider{height:1px;background:var(--border-primary);margin:8px 0}.loading-spinner{width:40px;height:40px;border:3px solid var(--bg-tertiary);border-top-color:var(--accent-primary);border-radius:50%;animation:spin 1s linear infinite}.loading-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 24px;gap:16px}.loading-state p{color:var(--text-secondary)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:0 24px 24px}.stat-card{background:var(--bg-card);border:1px solid var(--border-primary);border-radius:var(--radius-lg);padding:20px;display:flex;align-items:center;gap:16px}.stat-card-icon{width:48px;height:48px;background:#6366f126;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--accent-primary)}.stat-card-info h4{font-size:1.5rem;font-weight:700}.stat-card-info p{font-size:.8rem;color:var(--text-tertiary)}@media(max-width:1024px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-overlay{position:fixed;inset:0;background:#00000080;z-index:45;animation:fadeIn .2s ease}.main-content{margin-left:0}.menu-toggle{display:flex}.stats-grid{grid-template-columns:repeat(2,1fr)}.file-list-header,.file-list-item{grid-template-columns:1fr 80px 100px 50px;gap:8px}}@media(max-width:768px){.header{padding:12px 16px}.header-actions .btn span{display:none}.breadcrumb{padding:12px 16px}.toolbar{padding:12px 16px;flex-direction:column;align-items:stretch}.toolbar-left,.toolbar-right{justify-content:space-between;width:100%}.file-grid{grid-template-columns:repeat(2,1fr);gap:12px;padding:16px}.file-item{padding:12px}.file-item-icon{width:48px;height:48px}.file-item-icon svg{width:36px;height:36px}.file-list-header{display:none}.file-list-item{grid-template-columns:1fr auto;padding:12px}.file-list-item-size,.file-list-item-date{display:none}.stats-grid{grid-template-columns:1fr 1fr;padding:0 16px 16px;gap:12px}.stat-card{padding:16px}.stat-card-icon{width:40px;height:40px}.stat-card-info h4{font-size:1.25rem}.upload-progress{left:16px;right:16px;width:auto}}@media(max-width:480px){.search-bar{display:none}.header-search-mobile{display:block;width:100%;margin-top:12px}.file-grid{grid-template-columns:1fr 1fr;gap:8px;padding:12px}.file-item{padding:10px}.file-item-name{font-size:.8rem}}