@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";
:root{--bg-primary:#0a0e1a;--bg-secondary:#111827;--bg-tertiary:#1a2035;--bg-elevated:#1e2642;--bg-hover:#252d45;--bg-active:#2a3352;--glass-bg:#111827b3;--glass-border:#637ab426;--glass-hover:#637ab414;--accent-primary:#6366f1;--accent-primary-hover:#818cf8;--accent-secondary:#06b6d4;--accent-gradient:linear-gradient(135deg, #6366f1, #06b6d4);--accent-gradient-hover:linear-gradient(135deg, #818cf8, #22d3ee);--accent-glow:#6366f14d;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-tertiary:#64748b;--text-accent:#818cf8;--success:#22c55e;--success-bg:#22c55e1a;--warning:#f59e0b;--warning-bg:#f59e0b1a;--danger:#ef4444;--danger-bg:#ef44441a;--info:#3b82f6;--info-bg:#3b82f61a;--border-subtle:#94a3b81a;--border-default:#94a3b826;--border-strong:#94a3b840;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 4px 12px #0006;--shadow-lg:0 8px 32px #00000080;--shadow-glow:0 0 20px #6366f126;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono:"JetBrains Mono", "Fira Code", "Cascadia Code", monospace;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-base:.25s cubic-bezier(.4, 0, .2, 1);--transition-slow:.4s cubic-bezier(.4, 0, .2, 1);--z-dropdown:100;--z-sticky:200;--z-modal-backdrop:300;--z-modal:400;--z-toast:500;--z-tooltip:600}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6;overflow-x:hidden}body:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(at 20% 20%,#6366f114 0%,#0000 50%),radial-gradient(at 80% 80%,#06b6d40f 0%,#0000 50%),radial-gradient(#6366f108 0%,#0000 70%);position:fixed;inset:0}#__next,main{z-index:1;position:relative}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}::selection{color:var(--text-primary);background:#6366f14d}:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}a{color:var(--text-accent);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--accent-primary-hover)}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.glass-card-sm{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-md)}.btn{border-radius:var(--radius-md);font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;-webkit-user-select:none;user-select:none;border:none;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:.875rem;font-weight:500;line-height:1;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 2px 8px var(--accent-glow)}.btn-primary:hover:not(:disabled){background:var(--accent-gradient-hover);box-shadow:0 4px 16px var(--accent-glow);transform:translateY(-1px)}.btn-secondary{background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border-default)}.btn-secondary:hover:not(:disabled){background:var(--bg-hover);border-color:var(--border-strong)}.btn-ghost{color:var(--text-secondary);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--glass-hover);color:var(--text-primary)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626;transform:translateY(-1px)}.btn-sm{padding:6px 12px;font-size:.8rem}.btn-icon{border-radius:var(--radius-sm);padding:8px}.input{background:var(--bg-secondary);border:1px solid var(--border-default);border-radius:var(--radius-md);width:100%;color:var(--text-primary);font-family:var(--font-sans);transition:all var(--transition-fast);padding:10px 14px;font-size:.875rem}.input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow);outline:none}.input::placeholder{color:var(--text-tertiary)}.input-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px;font-size:.8rem;font-weight:500;display:block}.select{background:var(--bg-secondary);border:1px solid var(--border-default);border-radius:var(--radius-md);width:100%;color:var(--text-primary);font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast);appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;padding:10px 36px 10px 14px;font-size:.875rem}.select:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow);outline:none}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:var(--z-modal-backdrop);animation:fadeIn var(--transition-base) ease;background:#0009;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-content{background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);width:100%;max-width:520px;max-height:90vh;animation:slideUp var(--transition-base) ease;overflow-y:auto}.modal-header{justify-content:space-between;align-items:center;padding:24px 28px 0;display:flex}.modal-title{color:var(--text-primary);font-size:1.25rem;font-weight:700}.modal-body{padding:20px 28px}.modal-footer{justify-content:flex-end;align-items:center;gap:12px;padding:0 28px 24px;display:flex}.badge{text-transform:uppercase;letter-spacing:.05em;border-radius:50px;align-items:center;padding:2px 8px;font-size:.7rem;font-weight:600;display:inline-flex}.skeleton{background:linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-hover) 50%, var(--bg-tertiary) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.5s infinite shimmer}.divider{background:var(--border-subtle);height:1px;margin:16px 0}.empty-state{text-align:center;color:var(--text-tertiary);flex-direction:column;justify-content:center;align-items:center;padding:60px 20px;display:flex}.empty-state svg{opacity:.4;margin-bottom:16px}.empty-state h3{color:var(--text-secondary);margin-bottom:8px;font-size:1.1rem;font-weight:600}.empty-state p{max-width:360px;font-size:.875rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.animate-fade-in{animation:fadeIn var(--transition-base) ease}.animate-slide-up{animation:slideUp var(--transition-base) ease}.animate-slide-down{animation:slideDown var(--transition-base) ease}.animate-spin{animation:1s linear infinite spin}.animate-pulse{animation:2s ease-in-out infinite pulse}.animate-scale-in{animation:scaleIn var(--transition-base) ease}.app-header{z-index:var(--z-sticky);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-subtle);background:#0a0e1ad9;justify-content:space-between;align-items:center;padding:12px 24px;display:flex;position:sticky;top:0}.app-logo{color:var(--text-primary);align-items:center;gap:10px;font-size:1.15rem;font-weight:700;display:flex}.app-logo-icon{border-radius:var(--radius-md);background:var(--accent-gradient);color:#fff;width:36px;height:36px;box-shadow:0 2px 8px var(--accent-glow);justify-content:center;align-items:center;display:flex}.header-actions{align-items:center;gap:8px;display:flex}.toolbar{border-bottom:1px solid var(--border-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 24px;display:flex}.toolbar-left,.toolbar-right{align-items:center;gap:8px;display:flex}.search-input-wrapper{width:280px;position:relative}.search-input-wrapper svg{color:var(--text-tertiary);pointer-events:none;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.search-input-wrapper .input{padding-left:38px}.breadcrumb-bar{background:var(--bg-primary);border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding:12px 24px;display:flex;overflow-x:auto}.breadcrumb-track{flex-wrap:nowrap;align-items:center;gap:4px;display:flex}.breadcrumb-segment{align-items:center;gap:4px;display:inline-flex}.breadcrumb-arrow{color:var(--text-tertiary);opacity:.6;flex-shrink:0}.breadcrumb-chip{border-radius:var(--radius-sm);background:var(--bg-secondary);border:1px solid var(--border-default);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;align-items:center;gap:6px;padding:6px 10px;font-size:.8rem;font-weight:500;display:inline-flex}.breadcrumb-chip:hover{background:var(--glass-hover);color:var(--text-primary);border-color:var(--border-strong)}.breadcrumb-chip.active{border-color:var(--accent-primary);color:var(--accent-primary);background:#6366f11a;font-weight:600}.breadcrumb-path{font-family:var(--font-mono);color:var(--text-tertiary);background:var(--bg-elevated);white-space:nowrap;border-radius:50px;flex-shrink:0;margin-left:16px;padding:4px 10px;font-size:.75rem}.file-browser{min-height:calc(100vh - 200px);padding:16px 24px}.file-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;display:grid}.file-list{flex-direction:column;gap:2px;display:flex}.file-item-grid{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);text-align:center;border:1px solid #0000;flex-direction:column;align-items:center;padding:20px 16px 16px;display:flex;position:relative}.file-item-grid:hover{background:var(--glass-hover);border-color:var(--border-default)}.file-item-grid.selected{border-color:var(--accent-primary);background:#6366f114}.file-item-icon{border-radius:var(--radius-md);width:56px;height:56px;transition:transform var(--transition-fast);justify-content:center;align-items:center;margin-bottom:12px;display:flex}.file-item-grid:hover .file-item-icon{transform:scale(1.05)}.file-item-icon.folder{color:var(--warning);background:#f59e0b1f}.file-item-icon.image{color:var(--success);background:#22c55e1f}.file-item-icon.video{color:var(--danger);background:#ef44441f}.file-item-icon.audio{color:#a855f7;background:#a855f71f}.file-item-icon.document,.file-item-icon.pdf,.file-item-icon.text,.file-item-icon.code{color:var(--info);background:#3b82f61f}.file-item-icon.archive{color:var(--text-secondary);background:#94a3b81f}.file-item-icon.other{color:var(--text-tertiary);background:#94a3b814}.file-item-name{color:var(--text-primary);word-break:break-all;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.8rem;font-weight:500;line-height:1.4;display:-webkit-box;overflow:hidden}.file-item-meta{color:var(--text-tertiary);margin-top:4px;font-size:.7rem}.file-item-checkbox{opacity:0;transition:opacity var(--transition-fast);position:absolute;top:8px;left:8px}.file-item-grid:hover .file-item-checkbox,.file-item-grid.selected .file-item-checkbox{opacity:1}.file-item-list{border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);grid-template-columns:32px 1fr 100px 140px 40px;align-items:center;gap:12px;padding:10px 16px;display:grid}.file-item-list:hover{background:var(--glass-hover)}.file-item-list.selected{background:#6366f114}.file-item-list .file-item-icon{border-radius:var(--radius-sm);width:32px;height:32px;margin-bottom:0}.file-item-list .file-item-name{-webkit-line-clamp:1;text-align:left}.file-item-list .file-item-size,.file-item-list .file-item-date{color:var(--text-tertiary);font-size:.8rem}.file-thumbnail{aspect-ratio:1;object-fit:cover;border-radius:var(--radius-sm);background:var(--bg-tertiary);width:100%;max-height:80px;margin-bottom:12px}.context-menu{background:var(--bg-secondary);border:1px solid var(--border-default);border-radius:var(--radius-md);min-width:200px;box-shadow:var(--shadow-lg);z-index:var(--z-dropdown);padding:6px;animation:.1s scaleIn;position:fixed}.context-menu-item{border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);text-align:left;width:100%;font-size:.85rem;font-family:var(--font-sans);background:0 0;border:none;align-items:center;gap:10px;padding:8px 12px;display:flex}.context-menu-item:hover{background:var(--glass-hover);color:var(--text-primary)}.context-menu-item.danger{color:var(--danger)}.context-menu-item.danger:hover{background:var(--danger-bg)}.context-menu-divider{background:var(--border-subtle);height:1px;margin:4px 8px}.upload-zone{border:2px dashed var(--border-default);border-radius:var(--radius-lg);text-align:center;transition:all var(--transition-base);cursor:pointer;padding:40px}.upload-zone:hover,.upload-zone.dragging{border-color:var(--accent-primary);background:#6366f10d}.upload-zone.dragging{box-shadow:0 0 30px var(--accent-glow)}.upload-progress-bar{background:var(--bg-tertiary);border-radius:2px;height:4px;overflow:hidden}.upload-progress-fill{background:var(--accent-gradient);height:100%;transition:width var(--transition-fast);border-radius:2px}.preview-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:var(--z-modal);animation:fadeIn var(--transition-fast) ease;background:#000000d9;flex-direction:column;display:flex;position:fixed;inset:0}.preview-header{background:#0006;justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.preview-title{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;max-width:60%;font-size:.95rem;font-weight:600;overflow:hidden}.preview-actions{align-items:center;gap:8px;display:flex}.preview-body{flex:1;justify-content:center;align-items:center;padding:20px;display:flex;position:relative;overflow:auto}.preview-body img{object-fit:contain;border-radius:var(--radius-md);max-width:100%;max-height:100%}.preview-body video,.preview-body audio{border-radius:var(--radius-md);max-width:100%;max-height:100%}.preview-body pre{background:var(--bg-secondary);border-radius:var(--radius-md);width:100%;max-width:900px;font-family:var(--font-mono);color:var(--text-secondary);padding:24px;font-size:.85rem;line-height:1.7;overflow-x:auto}.preview-nav{border:1px solid var(--border-default);color:#fff;cursor:pointer;width:44px;height:44px;transition:all var(--transition-fast);background:#00000080;border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;top:50%;transform:translateY(-50%)}.preview-nav:hover{background:#000000b3;transform:translateY(-50%)scale(1.05)}.preview-nav.prev{left:20px}.preview-nav.next{right:20px}.settings-panel{background:var(--bg-secondary);border-left:1px solid var(--border-default);width:400px;max-width:100vw;height:100vh;box-shadow:var(--shadow-lg);z-index:var(--z-modal);animation:slideInRight var(--transition-base) ease;flex-direction:column;display:flex;position:fixed;top:0;right:0}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}.settings-header{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.settings-body{flex:1;padding:24px;overflow-y:auto}.form-group{margin-bottom:20px}.form-group:last-child{margin-bottom:0}.checkbox-wrapper{cursor:pointer;align-items:center;gap:8px;display:flex}.checkbox{border:1.5px solid var(--border-strong);background:var(--bg-secondary);cursor:pointer;width:18px;height:18px;accent-color:var(--accent-primary);border-radius:4px}.spinner{border:2px solid var(--border-default);border-top-color:var(--accent-primary);border-radius:50%;width:20px;height:20px;animation:.6s linear infinite spin}.loading-overlay{background:var(--bg-primary);z-index:var(--z-modal);flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex;position:fixed;inset:0}.loading-logo{border-radius:var(--radius-lg);background:var(--accent-gradient);color:#fff;width:64px;height:64px;box-shadow:0 4px 24px var(--accent-glow);justify-content:center;align-items:center;animation:2s ease-in-out infinite pulse;display:flex}.upload-manager{width:420px;max-width:calc(100vw - 48px);z-index:var(--z-modal-backdrop);animation:slideUp var(--transition-base) ease;position:fixed;bottom:24px;right:24px}.upload-manager-header{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.upload-manager-body{max-height:320px;padding:12px;overflow-y:auto}.upload-file-item{border-radius:var(--radius-sm);align-items:center;gap:12px;padding:10px 12px;display:flex}.upload-file-item+.upload-file-item{border-top:1px solid var(--border-subtle)}.upload-file-info{flex:1;min-width:0}.upload-file-name{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;font-size:.8rem;font-weight:500;overflow:hidden}.upload-file-status{color:var(--text-tertiary);margin-top:4px;font-size:.7rem}.folder-tree{max-height:300px;padding:8px 0;overflow-y:auto}.folder-tree-item{border-radius:var(--radius-sm);cursor:pointer;color:var(--text-secondary);transition:all var(--transition-fast);align-items:center;gap:8px;padding:8px 12px;font-size:.85rem;display:flex}.folder-tree-item:hover{background:var(--glass-hover);color:var(--text-primary)}.folder-tree-item.selected{color:var(--accent-primary);background:#6366f11a;font-weight:500}.folder-tree-item.indent-1{padding-left:28px}.folder-tree-item.indent-2{padding-left:44px}.folder-tree-item.indent-3{padding-left:60px}.share-url-box{background:var(--bg-primary);border:1px solid var(--border-default);border-radius:var(--radius-md);align-items:center;gap:8px;margin-top:16px;padding:12px 16px;display:flex}.share-url-text{font-size:.8rem;font-family:var(--font-mono);color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;-webkit-user-select:all;user-select:all;flex:1;overflow:hidden}.bulk-actions-bar{border-bottom:1px solid var(--accent-primary);animation:slideDown var(--transition-fast) ease;background:#6366f114;align-items:center;gap:12px;padding:10px 24px;display:flex}.bulk-count{color:var(--text-accent);font-size:.85rem;font-weight:600}@media (max-width:768px){.app-header,.toolbar{padding:10px 16px}.breadcrumb{padding:8px 16px}.file-browser{padding:12px 16px}.file-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px}.file-item-list{grid-template-columns:28px 1fr 60px 40px}.file-item-list .file-item-date{display:none}.search-input-wrapper{width:100%}.toolbar{flex-direction:column;align-items:stretch}.toolbar-left,.toolbar-right{justify-content:space-between}.modal-content{border-radius:var(--radius-lg);max-height:95vh}.upload-manager{width:calc(100vw - 32px);bottom:16px;right:16px}.settings-panel{width:100vw}.preview-nav{display:none}}@media (max-width:480px){.file-grid{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}.file-item-grid{padding:14px 10px 12px}.file-item-icon{width:44px;height:44px}}