:root,[data-theme=dark]{--color-primary: #007acc;--color-primary-hover: #106ebe;--color-primary-light: rgba(0, 122, 204, .1);--color-secondary: #6c757d;--color-success: #28a745;--color-danger: #dc3545;--color-warning: #ffc107;--color-info: #17a2b8;--bg-primary: #0d1117;--bg-secondary: #161b22;--bg-tertiary: #21262d;--bg-hover: #30363d;--bg-active: #484f58;--bg-overlay: rgba(0, 0, 0, .6);--text-primary: #e6edf3;--text-secondary: #7d8590;--text-muted: #656d76;--text-inverse: #ffffff;--text-link: #58a6ff;--border-color: #30363d;--border-light: #484f58;--border-dark: #21262d;--shadow-light: rgba(0, 0, 0, .2);--shadow-medium: rgba(0, 0, 0, .3);--shadow-heavy: rgba(0, 0, 0, .5)}[data-theme=light]{--color-primary: #0969da;--color-primary-hover: #0550ae;--color-primary-light: rgba(9, 105, 218, .1);--color-secondary: #656d76;--color-success: #1a7f37;--color-danger: #cf222e;--color-warning: #fb8500;--color-info: #0969da;--bg-primary: #ffffff;--bg-secondary: #f6f8fa;--bg-tertiary: #eaeef2;--bg-hover: #f3f4f6;--bg-active: #e6ebf1;--bg-overlay: rgba(0, 0, 0, .4);--text-primary: #1f2328;--text-secondary: #656d76;--text-muted: #8b949e;--text-inverse: #ffffff;--text-link: #0969da;--border-color: #d0d7de;--border-light: #d8dee4;--border-dark: #afb8c1;--shadow-light: rgba(0, 0, 0, .05);--shadow-medium: rgba(0, 0, 0, .1);--shadow-heavy: rgba(0, 0, 0, .2)}:root{--spacing-xs: 4px;--spacing-sm: 10px;--spacing: 12px;--spacing-lg: 16px;--spacing-xl: 24px;--spacing-2xl: 32px;--card-size: 140px;--border-radius-sm: 4px;--border-radius: 6px;--border-radius-lg: 8px;--border-radius-xl: 12px;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Variable", "Segoe UI", system-ui, ui-sans-serif, Helvetica, Arial, sans-serif;--font-family-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;--font-size-xs: 11px;--font-size-sm: 12px;--font-size: 14px;--font-size-lg: 16px;--font-size-xl: 18px;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--header-height: 48px;--sidebar-width: 280px;--content-padding: var(--spacing);--transition-fast: .12s cubic-bezier(.2, 0, .38, .9);--transition-normal: .2s cubic-bezier(.2, 0, .38, .9);--transition-slow: .3s cubic-bezier(.2, 0, .38, .9);--z-dropdown: 50;--z-sticky: 100;--z-overlay: 200;--z-modal: 300;--z-tooltip: 400}*{box-sizing:border-box}html{height:100%;scroll-behavior:smooth}body{margin:0;padding:0;width:100%;height:100%;font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);font-size:var(--font-size);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden}#root{width:100vw;height:100vh;display:flex;flex-direction:column;overflow:hidden}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:var(--border-radius)}::-webkit-scrollbar-thumb:hover{background:var(--border-light)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing);border:1px solid var(--border-color);border-radius:var(--border-radius);background-color:var(--bg-secondary);color:var(--text-primary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);font-family:inherit;cursor:pointer;transition:all var(--transition-fast);text-decoration:none;white-space:nowrap}.btn:hover{background-color:var(--bg-hover);border-color:var(--border-light)}.btn:active{background-color:var(--bg-active)}.btn-primary{background-color:var(--color-primary);border-color:var(--color-primary);color:var(--text-inverse)}.btn-primary:hover{background-color:var(--color-primary-hover);border-color:var(--color-primary-hover)}.btn-sm{padding:4px var(--spacing-xs);font-size:var(--font-size-xs)}.btn-icon{padding:var(--spacing-xs);min-width:32px;height:32px}.input{padding:var(--spacing-xs) var(--spacing-sm);border:1px solid var(--border-color);border-radius:var(--border-radius);background-color:var(--bg-primary);color:var(--text-primary);font-size:var(--font-size-sm);font-family:inherit;transition:all var(--transition-fast)}.input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-light)}.input::placeholder{color:var(--text-muted)}.card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--border-radius-lg);padding:var(--spacing-lg);box-shadow:0 1px 3px var(--shadow-light)}.text-xs{font-size:var(--font-size-xs)}.text-sm{font-size:var(--font-size-sm)}.text-base{font-size:var(--font-size)}.text-lg{font-size:var(--font-size-lg)}.text-xl{font-size:var(--font-size-xl)}.font-normal{font-weight:var(--font-weight-normal)}.font-medium{font-weight:var(--font-weight-medium)}.font-semibold{font-weight:var(--font-weight-semibold)}.font-bold{font-weight:var(--font-weight-bold)}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-muted{color:var(--text-muted)}.flex{display:flex}.inline-flex{display:inline-flex}.grid{display:grid}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-xs{gap:var(--spacing-xs)}.gap-sm{gap:var(--spacing-sm)}.gap{gap:var(--spacing)}.gap-lg{gap:var(--spacing-lg)}.p-0{padding:0}.p-xs{padding:var(--spacing-xs)}.p-sm{padding:var(--spacing-sm)}.p{padding:var(--spacing)}.p-lg{padding:var(--spacing-lg)}.m-0{margin:0}.ml-auto{margin-left:auto}.mr-auto{margin-right:auto}.w-full{width:100%}.h-full{height:100%}.overflow-hidden{overflow:hidden}.overflow-auto{overflow:auto}.rounded{border-radius:var(--border-radius)}.rounded-lg{border-radius:var(--border-radius-lg)}.transition{transition:all var(--transition-fast)}:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.user-profile{position:relative}.user-profile-button{display:flex;align-items:center;gap:var(--spacing-xs);padding:0px var(--spacing-sm);border-radius:var(--border-radius);background-color:var(--bg-secondary);color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast);font-family:inherit;font-size:var(--font-size-sm)}.user-profile-button:hover{background-color:var(--bg-hover);border-color:var(--color-primary)}.user-avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark, #005a9e));color:#fff;display:flex;align-items:center;justify-content:center;font-size:var(--font-size-xs);font-weight:var(--font-weight-bold);flex-shrink:0}.user-name{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-profile-menu{position:absolute;top:calc(100% + var(--spacing-xs));right:0;min-width:250px;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--border-radius);box-shadow:0 4px 12px #00000026;z-index:1000;overflow:hidden;animation:slideDown .2s ease-out}.user-profile-menu-header{padding:var(--spacing);display:flex;align-items:center;gap:var(--spacing-sm);background-color:var(--bg-primary)}.user-avatar-large{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark, #005a9e));color:#fff;display:flex;align-items:center;justify-content:center;font-size:var(--font-size);font-weight:var(--font-weight-bold);flex-shrink:0}.user-info-details{flex:1;min-width:0}.user-info-name{font-weight:var(--font-weight-medium);color:var(--text-primary);font-size:var(--font-size-sm);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-info-email{color:var(--text-secondary);font-size:var(--font-size-xs);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-profile-menu-divider{height:1px;background-color:var(--border-color);margin:0}.user-profile-menu-item{width:100%;display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing);border:none;background:none;color:var(--text-primary);font-size:var(--font-size-sm);font-family:inherit;cursor:pointer;transition:all var(--transition-fast);text-align:left}.user-profile-menu-item:hover{background-color:var(--bg-hover);color:var(--color-danger)}.user-profile-menu-item svg{width:18px;height:18px;flex-shrink:0}@media(max-width:768px){.user-name{display:none}.user-profile-menu{min-width:200px}}.user-quota-section{padding:var(--spacing)}.user-quota-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-xs)}.user-quota-label{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--text-primary)}.user-quota-values{font-size:var(--font-size-xs);color:var(--text-secondary)}.user-quota-bar{height:8px;background-color:var(--bg-hover);border-radius:4px;overflow:hidden;margin-bottom:var(--spacing-xs)}.user-quota-fill{height:100%;background:linear-gradient(90deg,var(--color-primary),var(--color-primary-dark, #005a9e));border-radius:4px;transition:width .3s ease}.user-quota-fill[style*="100%"]{background:linear-gradient(90deg,var(--color-danger),#c41e3a)}.user-quota-available{font-size:var(--font-size-xs);color:var(--text-secondary);text-align:center}.tag-input-container{display:flex;align-items:center;gap:var(--spacing-sm)}.tag-input-wrapper{flex:1;display:flex;align-items:center;flex-wrap:wrap;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-sm);border:1px solid var(--border-color);border-radius:var(--border-radius);background-color:var(--bg-secondary);min-height:36px;transition:all var(--transition-fast)}.inline-tag{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:2px var(--spacing-xs);background-color:var(--bg-secondary);color:var(--color-primary);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);transition:all var(--transition-fast);white-space:nowrap;border:none}.inline-tag-remove{display:flex;align-items:center;justify-content:center;width:14px;height:14px;border:none;background:none;color:inherit;cursor:pointer;border-radius:50%;transition:all var(--transition-fast);font-size:10px;line-height:1;padding:0;margin:0}.inline-tag-remove:hover{background-color:#fff3;transform:scale(1.1)}.tag-input{flex:1;min-width:120px;border:none;background:none;color:var(--text-primary);font-size:var(--font-size-sm);font-family:inherit;outline:none;padding:0;margin:0}.tag-input::placeholder{color:var(--text-muted)}.clear-tags-btn{padding:var(--spacing-xs) var(--spacing-sm);border:1px solid var(--border-color);border-radius:var(--border-radius);background-color:var(--bg-secondary);color:var(--text-secondary);font-size:var(--font-size-xs);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.clear-tags-btn:hover{background-color:var(--bg-hover);color:var(--text-primary);border-color:var(--color-danger)}.image-viewer-overlay{position:fixed;inset:0;background-color:#000000e6;display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .2s ease-in}.image-viewer-container{width:90vw;height:90vh;max-width:1400px;background-color:var(--card-background);border-radius:8px;box-shadow:0 8px 32px #0000004d;display:flex;flex-direction:column;overflow:hidden}.image-viewer-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;background-color:var(--header-background);border-bottom:1px solid var(--border-color)}.image-viewer-title{margin:0;font-size:1.2rem;font-weight:600;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;margin-right:1rem}.image-viewer-close{background:none;border:none;color:var(--text-secondary);cursor:pointer;font-size:1.5rem;padding:.5rem;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:all .2s ease;min-width:36px;height:36px}.image-viewer-close:hover{background-color:var(--hover-background);color:var(--text-primary)}.image-viewer-content{flex:1;display:flex;justify-content:center;align-items:center;padding:2rem;overflow:auto;background-color:var(--background)}.image-viewer-image{max-width:100%;max-height:100%;object-fit:contain;border-radius:4px;box-shadow:0 4px 16px #0003}.image-viewer-loading{display:flex;flex-direction:column;align-items:center;gap:1rem;color:var(--text-secondary)}.image-viewer-loading p{margin:0;font-size:1rem}.image-viewer-error{display:flex;flex-direction:column;align-items:center;gap:1rem;color:var(--error-color, #f44336)}.image-viewer-error p{margin:0;font-size:1rem}.image-viewer-error button{padding:.5rem 1.5rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:1rem;transition:opacity .2s ease}.image-viewer-error button:hover{opacity:.9}@media(max-width:768px){.image-viewer-container{width:95vw;height:95vh}.image-viewer-header{padding:.75rem 1rem}.image-viewer-title{font-size:1rem}.image-viewer-content{padding:1rem}}.video-player-overlay{position:fixed;inset:0;background-color:#000000f2;display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .2s ease-in}.video-player-container{width:90vw;height:90vh;max-width:1600px;background-color:var(--card-background);border-radius:8px;box-shadow:0 8px 32px #0000004d;display:flex;flex-direction:column;overflow:hidden}.video-player-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;background-color:var(--header-background);border-bottom:1px solid var(--border-color)}.video-player-title{margin:0;font-size:1.2rem;font-weight:600;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;margin-right:1rem}.video-player-close{background:none;border:none;color:var(--text-secondary);cursor:pointer;font-size:1.5rem;padding:.5rem;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:all .2s 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p{margin:0;font-size:1rem}.video-player-error{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:1rem;color:var(--error-color, #f44336);z-index:10}.video-player-error p{margin:0;font-size:1rem;color:#fff}.video-player-error button{padding:.5rem 1.5rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:1rem;transition:opacity .2s ease}.video-player-error button:hover{opacity:.9}@media(max-width:768px){.video-player-container{width:100vw;height:100vh;border-radius:0}.video-player-header{padding:.75rem 1rem}.video-player-title{font-size:1rem}}.video-player-video:fullscreen{width:100vw;height:100vh}.video-player-video:-webkit-full-screen{width:100vw;height:100vh}.video-player-video:-moz-full-screen{width:100vw;height:100vh}.text-editor-overlay{position:fixed;inset:0;background-color:#000000d9;display:flex;justify-content:center;align-items:center;z-index:10000;animation:fadeIn .2s ease-in}.text-editor-container{background-color:var(--background-primary, #1e1e1e);border-radius:8px;box-shadow:0 8px 32px #0006;display:flex;flex-direction:column;width:90%;max-width:1200px;height:85vh;max-height:900px;overflow:hidden;animation:slideUp .3s ease-out}.text-editor-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background-color:var(--background-secondary, #2d2d2d);border-bottom:1px solid var(--border-color, #3e3e3e)}.text-editor-title{display:flex;align-items:center;gap:12px;flex:1;min-width:0}.text-editor-filename{font-size:16px;font-weight:600;color:var(--text-primary, #ffffff);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.text-editor-modified{color:var(--accent-color, #007acc);font-size:14px;font-weight:500;animation:pulse 2s ease-in-out infinite}.text-editor-actions{display:flex;gap:8px;align-items:center}.text-editor-save-btn{background-color:var(--accent-color, #007acc);color:#fff;border:none;padding:8px 16px;border-radius:4px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease}.text-editor-save-btn:hover:not(:disabled){background-color:var(--accent-hover, #005a9e);transform:translateY(-1px);box-shadow:0 2px 8px #007acc4d}.text-editor-save-btn:disabled{opacity:.5;cursor:not-allowed}.text-editor-close-btn{background:transparent;border:none;color:var(--text-secondary, #cccccc);font-size:32px;line-height:1;padding:0;width:32px;height:32px;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:all .2s ease}.text-editor-close-btn:hover{background-color:#ffffff1a;color:var(--text-primary, #ffffff)}.text-editor-content{flex:1;display:flex;overflow:hidden;background-color:var(--background-primary, #1e1e1e)}.text-editor-textarea{flex:1;width:100%;padding:20px;background-color:transparent;color:var(--text-primary, #d4d4d4);border:none;outline:none;resize:none;font-family:Consolas,Courier New,monospace;font-size:14px;line-height:1.6;tab-size:4;white-space:pre;overflow-wrap:normal;overflow-x:auto}.text-editor-textarea::selection{background-color:var(--selection-bg, #264f78)}.text-editor-loading{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;color:var(--text-secondary, #cccccc);gap:16px}.text-editor-spinner{width:48px;height:48px;border:4px solid rgba(255,255,255,.1);border-top-color:var(--accent-color, #007acc);border-radius:50%;animation:spin .8s linear infinite}.text-editor-footer{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;background-color:var(--background-secondary, #2d2d2d);border-top:1px solid var(--border-color, #3e3e3e);font-size:12px;color:var(--text-secondary, #cccccc)}.text-editor-info{display:flex;gap:16px}.text-editor-hint{color:var(--text-tertiary, #888888)}.text-editor-hint-mobile{display:none}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}@media(max-width:768px){.text-editor-container{width:95%;height:90vh;border-radius:0}.text-editor-header{padding:12px 16px}.text-editor-filename{font-size:14px;max-width:150px}.text-editor-save-btn{padding:10px 20px;font-size:15px;font-weight:600}.text-editor-textarea{padding:16px;font-size:16px}.text-editor-footer{padding:10px 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ease-in}.file-details-modal{background-color:var(--bg-secondary);border-radius:var(--border-radius);box-shadow:0 8px 32px #0000004d;width:90%;max-width:600px;max-height:85vh;display:flex;flex-direction:column;overflow:hidden;animation:slideUp .3s ease-out}.file-details-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing) var(--spacing-lg);background-color:var(--bg-primary);border-bottom:1px solid var(--border-color)}.file-details-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--text-primary);margin:0}.file-details-close{background:transparent;border:none;color:var(--text-secondary);font-size:32px;line-height:1;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--border-radius-sm);transition:all var(--transition-fast)}.file-details-close:hover{background-color:var(--bg-hover);color:var(--text-primary)}.file-details-content{flex:1;padding:var(--spacing-lg);overflow-y:auto;display:flex;flex-direction:column;gap:var(--spacing)}.file-detail-row{display:grid;grid-template-columns:120px 1fr;gap:var(--spacing);align-items:start}.file-detail-label{font-weight:var(--font-weight-medium);color:var(--text-secondary);font-size:var(--font-size-sm);padding-top:2px}.file-detail-value{color:var(--text-primary);font-size:var(--font-size-sm);word-break:break-word}.file-detail-path{font-family:Consolas,Courier New,monospace;font-size:var(--font-size-xs);color:var(--color-primary)}.file-detail-section{display:flex;flex-direction:column;gap:var(--spacing-sm);padding-top:var(--spacing);border-top:1px solid 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var(--transition-fast)}.file-item:hover{background-color:var(--bg-hover)}.file-info{flex:1;min-width:0}.file-name{font-size:var(--font-size-sm);color:var(--text-primary);font-weight:var(--font-weight-medium);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-size{font-size:var(--font-size-xs);color:var(--text-muted)}.file-progress{flex:1;display:flex;flex-direction:column;gap:4px}.progress-bar{height:6px;background-color:var(--bg-tertiary);border-radius:3px;overflow:hidden}.progress-fill{height:100%;background-color:var(--color-primary);transition:width var(--transition-fast)}.progress-text{font-size:var(--font-size-xs);color:var(--text-secondary);text-align:right}.remove-btn{background:none;border:none;font-size:20px;color:var(--text-muted);cursor:pointer;padding:4px;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:var(--border-radius-sm);transition:all 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var(--spacing-xs) 36px;border:1px solid var(--border-color);border-radius:var(--border-radius);background-color:var(--bg-secondary);color:var(--text-primary);font-size:var(--font-size-sm);font-family:inherit;transition:all var(--transition-fast)}.search-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-light)}.search-input::placeholder{color:var(--text-muted)}.search-icon{position:absolute;left:var(--spacing-sm);top:50%;transform:translateY(-50%);color:var(--text-muted);width:16px;height:16px;pointer-events:none}.path-navigation-header{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing);padding:var(--spacing-sm) var(--spacing-sm) 0px var(--spacing-sm);background-color:var(--bg-primary);min-height:48px}.breadcrumb-section{flex:1;display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-sm);background-color:var(--bg-secondary);border:1px solid 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h1{margin:0;font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--text-primary)}.header-right{display:flex;align-items:center;gap:var(--spacing-sm)}.user-info{display:flex;align-items:center;gap:var(--spacing-xs);color:var(--text-secondary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium)}.user-info strong{color:var(--text-primary)}.app-main{flex:1;display:flex;flex-direction:column;overflow:hidden;background-color:var(--bg-primary)}.theme-toggle{background:none;border:1px solid var(--border-color);border-radius:var(--border-radius);padding:var(--spacing-xs);width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-secondary);transition:all var(--transition-fast)}.theme-toggle:hover{background-color:var(--bg-hover);border-color:var(--border-light);color:var(--text-primary)}.theme-toggle svg{width:16px;height:16px}.login-container{display:flex;align-items:center;justify-content:center;width:100%;height:100vh;background-color:var(--bg-primary)}.login-header{width:100%;max-width:400px;margin:var(--spacing-xl);padding:var(--spacing-2xl);background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--border-radius-xl);box-shadow:0 4px 12px var(--shadow-medium);text-align:center}.login-header h1{margin:0 0 var(--spacing-xs) 0;font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--text-primary)}.login-header p{margin:var(--spacing-sm) 0 var(--spacing-lg) 0;color:var(--text-secondary);font-size:var(--font-size-sm)}.login-button,.logout-button{width:100%;height:44px;margin-top:var(--spacing);padding:0 var(--spacing-lg);font-size:var(--font-size);font-weight:var(--font-weight-medium);color:var(--text-inverse);background-color:var(--color-primary);border:1px solid var(--color-primary);border-radius:var(--border-radius);cursor:pointer;transition:all var(--transition-fast)}.login-button:hover,.logout-button:hover{background-color:var(--color-primary-hover);border-color:var(--color-primary-hover)}.logout-button{background-color:var(--color-danger);border-color:var(--color-danger);width:auto}.logout-button:hover{background-color:#c82333;border-color:#c82333}.loading-container{display:flex;align-items:center;justify-content:center;width:100%;height:100%;background-color:var(--bg-primary)}.loading-container h2{color:var(--text-secondary);font-size:var(--font-size-lg);font-weight:var(--font-weight-normal)}@media(max-width:768px){.drive-header{padding:0 var(--spacing);height:44px}.header-left h1{font-size:var(--font-size)}.user-info{font-size:var(--font-size-xs)}.login-header{margin:var(--spacing);padding:var(--spacing-xl)}}@media(max-width:480px){.drive-header{padding:0 var(--spacing-sm);height:40px}.header-left h1{font-size:var(--font-size-sm)}.header-right{gap:var(--spacing-xs)}.user-info{display:none}}.drive-header *:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.file-icon{color:var(--text-secondary);transition:color .2s ease}.file-card:hover .file-icon{color:var(--text-primary)}.file-card.selected .file-icon{color:var(--color-primary)}.menu-icon{margin-right:8px;width:14px;color:var(--text-secondary)}.context-menu-item:hover .menu-icon{color:var(--text-primary)}.file-icon[data-icon=folder]{color:#fbbf24}.file-icon[data-icon=file-pdf]{color:#dc2626}.file-icon[data-icon=file-word]{color:#2563eb}.file-icon[data-icon=file-excel]{color:#059669}.file-icon[data-icon=file-powerpoint]{color:#dc2626}.file-icon[data-icon=file-image]{color:#7c3aed}.file-icon[data-icon=file-video]{color:#dc2626}.file-icon[data-icon=file-audio]{color:#059669}.file-icon[data-icon=file-archive]{color:#6b7280}