:root{color-scheme:dark light;--color-bg-deep: #1c1a19;--color-bg-surface: #272422;--color-bg-elevated: #332f2d;--color-text-primary: #f5f5f4;--color-text-secondary: #d6d3d1;--color-text-bright: #ffffff;--color-text-muted: #a8a29e;--color-border: #57534e;--color-border-subtle: #44403c;--color-accent: #8b95fb;--color-accent-hover: #a5b4fc;--color-accent-bold: #5b5ef0;--color-accent-bold-hover: #4e51e6;--color-success: #34d399;--color-warning: #fb923c;--color-error: #f87171;--color-folder: #fbbf24;--color-action-bg: #d6d3d1;--color-action-text: #1c1a19;--font-sans: system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono: "SF Mono", "Cascadia Code", "Fira Code", "JetBrains Mono", ui-monospace, monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.375rem;--text-2xl: 1.75rem;--text-3xl: 2.25rem;--text-display: 2.75rem;--leading-tight: 1.15;--leading-snug: 1.3;--leading-normal: 1.5;--tracking-tight: -.025em;--tracking-normal: 0;--tracking-wide: .05em;--tracking-caps: .1em;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 12px;--shadow-sm: 0 1px 4px rgba(0, 0, 0, .08);--shadow-md: 0 2px 12px rgba(0, 0, 0, .12);--shadow-lg: 0 4px 24px rgba(0, 0, 0, .2);--shadow-xl: 0 8px 40px rgba(0, 0, 0, .28);--transition-fast: .15s ease;--transition-base: .25s ease;--color-accent-muted: rgba(139, 149, 251, .12);--color-accent-subtle: rgba(139, 149, 251, .06)}@media (prefers-color-scheme: light){:root{--color-bg-deep: #fdfbf9;--color-bg-surface: #f5f2f0;--color-bg-elevated: #ebe7e4;--color-text-primary: #1c1917;--color-text-secondary: #44403c;--color-text-bright: #0c0a09;--color-text-muted: #57534e;--color-border: #d6d2ce;--color-border-subtle: #e6e2de;--color-accent: #4f46e5;--color-accent-hover: #4338ca;--color-accent-bold: #4f46e5;--color-accent-bold-hover: #4338ca;--color-success: #047857;--color-warning: #b45309;--color-error: #b91c1c;--color-folder: #854d0e;--color-action-bg: #44403c;--color-action-text: #ffffff;--shadow-sm: 0 1px 4px rgba(0, 0, 0, .05);--shadow-md: 0 2px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 4px 24px rgba(0, 0, 0, .12);--shadow-xl: 0 8px 40px rgba(0, 0, 0, .16);--color-accent-muted: rgba(79, 70, 229, .1);--color-accent-subtle: rgba(79, 70, 229, .05)}}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-width:280px;min-height:100vh;font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-normal);color:var(--color-text-secondary);background:radial-gradient(ellipse 80% 60% at 20% 100%,var(--color-accent-subtle) 0%,transparent 70%),radial-gradient(ellipse 60% 50% at 90% 0%,var(--color-accent-subtle) 0%,transparent 60%),var(--color-bg-deep);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-hover)}button{font-family:inherit;font-size:inherit;cursor:pointer;border:1px solid transparent;border-radius:var(--radius-md);padding:var(--space-2) var(--space-4);transition:background var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast);min-height:44px;min-width:44px}button:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}input,select,textarea{font-family:inherit;font-size:inherit;background:var(--color-bg-deep);color:var(--color-text-primary);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-3);transition:border-color var(--transition-fast)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-muted)}.app-layout{min-height:100vh}.app-container{max-width:85vw;width:100%;margin:0 auto;padding:var(--space-8);position:relative}.app-toolbar{position:absolute;top:var(--space-6);right:var(--space-8);display:flex;gap:var(--space-2)}.path-display{margin-bottom:var(--space-4);font-size:var(--text-xl);font-weight:700;letter-spacing:var(--tracking-tight);color:var(--color-text-primary);word-break:break-all}.btn-ghost{background:transparent;color:var(--color-text-muted);border:1px solid var(--color-border-subtle);border-radius:var(--radius-md);padding:var(--space-2) var(--space-4);font-weight:500;font-size:var(--text-sm);letter-spacing:var(--tracking-wide);display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);transition:background var(--transition-fast),color var(--transition-fast),border-color var(--transition-fast)}.btn-ghost:hover{background:var(--color-bg-elevated);color:var(--color-text-primary);border-color:var(--color-border)}.btn-primary{width:100%;padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);border:none;background:var(--color-accent-bold, var(--color-accent));color:#fff;font-weight:600;font-size:var(--text-sm);letter-spacing:var(--tracking-wide);text-transform:uppercase;display:inline-flex;align-items:center;justify-content:center;transition:background var(--transition-fast),box-shadow var(--transition-fast)}.btn-primary--inline{width:auto}.btn-primary:hover{background:var(--color-accent-bold-hover, var(--color-accent-hover));box-shadow:0 2px 12px var(--color-accent-muted)}.btn-action{display:inline-flex;align-items:center;justify-content:center;color:var(--color-text-secondary);background:transparent;border:none;border-radius:var(--radius-sm);padding:var(--space-1);font-size:var(--text-base);line-height:1;min-height:44px;min-width:44px;cursor:pointer;transition:background var(--transition-fast),color var(--transition-fast)}.btn-action:hover{background:var(--color-bg-elevated);color:var(--color-text-primary)}.btn-action+.btn-action{margin-left:var(--space-1)}.login-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-4)}.login-form{background:var(--color-bg-surface);padding:var(--space-10) var(--space-8);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);border:1px solid var(--color-border-subtle);border-top:3px solid var(--color-accent);width:min(380px,100%);display:flex;flex-direction:column;gap:var(--space-5);animation:fadeIn var(--transition-base) forwards}.login-header{text-align:center;margin-bottom:var(--space-3)}.login-title{font-size:var(--text-display);font-weight:800;letter-spacing:var(--tracking-tight);line-height:var(--leading-tight);color:var(--color-text-bright);margin:0}.login-title-dot{color:var(--color-accent)}.login-subtitle{font-size:var(--text-sm);color:var(--color-text-muted);margin:var(--space-2) 0 0;letter-spacing:var(--tracking-wide)}.login-field{display:flex;flex-direction:column;gap:var(--space-2)}.login-form input{width:100%;padding:var(--space-3) var(--space-4)}.login-label{color:var(--color-text-muted);font-size:var(--text-xs);font-weight:600;letter-spacing:var(--tracking-caps);text-transform:uppercase}.login-error{color:var(--color-error);font-size:var(--text-sm)}.tips-banner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);background:var(--color-bg-elevated);border:1px solid var(--color-border-subtle);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);margin-bottom:var(--space-3);font-size:var(--text-sm);animation:fadeIn var(--transition-base) forwards;transition:opacity var(--transition-base),transform var(--transition-base)}.tips-text{color:var(--color-text-secondary);margin:0}.tips-dismiss{background:none;border:none;color:var(--color-text-muted);font-size:var(--text-sm);white-space:nowrap;padding:var(--space-2);display:inline-flex;align-items:center;justify-content:center}.tips-dismiss:hover{color:var(--color-text-primary)}.table-wrapper{border-radius:var(--radius-lg);background:var(--color-bg-surface);width:100%;box-shadow:var(--shadow-md);overflow:hidden;border:1px solid var(--color-border-subtle);border-left:3px solid var(--color-accent)}.state-loading{padding:var(--space-6);color:var(--color-text-secondary);font-size:var(--text-base);animation:pulse 1.5s infinite ease-in-out}.state-error{padding:var(--space-6);color:var(--color-error);font-size:var(--text-base)}.state-empty{text-align:center;display:flex;flex-direction:column;align-items:center;gap:var(--space-3);padding:var(--space-10) var(--space-6);color:var(--color-text-secondary);font-size:var(--text-base)}.state-empty-title{color:var(--color-text-primary);font-weight:600;margin:0}.state-empty-detail{color:var(--color-text-muted);font-size:var(--text-sm);margin:0;max-width:320px}.state-error{color:var(--color-error);display:flex;flex-direction:column;gap:var(--space-3);align-items:flex-start}.state-error p{margin:0}.file-table{width:100%;table-layout:fixed;border-collapse:collapse;font-size:var(--text-base);color:var(--color-text-secondary)}.file-table colgroup .col-name{width:auto}.file-table colgroup .col-size{width:100px}.file-table colgroup .col-date{width:120px}.file-table colgroup .col-actions{width:100px}.file-table thead{background:var(--color-accent-subtle)}.file-table th{text-align:left;padding:var(--space-3) var(--space-4);font-weight:600;font-size:var(--text-xs);letter-spacing:var(--tracking-caps);text-transform:uppercase;color:var(--color-text-muted);cursor:pointer;border-bottom:1px solid var(--color-border);background:transparent;-webkit-user-select:none;user-select:none;min-height:44px;height:44px}.file-table th.col-size{text-align:right}.file-table th.col-actions{text-align:center;cursor:default}.file-table td{padding:var(--space-3) var(--space-4);background:transparent}.file-table tbody tr{border-bottom:1px solid var(--color-border-subtle);transition:background-color var(--transition-fast)}.file-table tbody tr:last-child{border-bottom:none}.row-navigate{cursor:pointer}.row-navigate:hover{background:var(--color-bg-elevated)}.cell-name{word-break:break-all;text-align:left;color:var(--color-text-primary)}.cell-name--dir{font-weight:600;color:var(--color-folder)}.cell-size{text-align:right}.cell-date{text-align:left}.cell-actions{text-align:center;white-space:nowrap;padding-left:var(--space-1);padding-right:var(--space-1)}.folder-btn{background:none;border:none;color:var(--color-folder);cursor:pointer;text-decoration:none;padding:var(--space-2);font-weight:600;font-size:var(--text-base);display:inline-flex;align-items:center;gap:var(--space-2);transition:color var(--transition-fast)}.folder-btn:hover{color:var(--color-text-primary)}@media (max-width: 600px){.file-table{table-layout:auto}.col-size,.col-date,.hide-mobile{display:none}.file-table colgroup .col-actions{width:70px}.btn-action{padding:var(--space-1);min-height:44px;min-width:36px}.app-container{padding:var(--space-4);max-width:100vw}.app-toolbar{position:static;margin-bottom:var(--space-4);justify-content:flex-end}}.update-notification{position:fixed;bottom:var(--space-5);left:var(--space-5);background:var(--color-bg-surface);color:var(--color-text-bright);padding:var(--space-4) var(--space-5);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);z-index:10000;display:flex;align-items:center;gap:var(--space-3);border:1px solid var(--color-border)}.toast{position:fixed;right:var(--space-5);bottom:var(--space-5);background:var(--color-bg-surface);color:var(--color-text-primary);border:1px solid var(--color-border-subtle);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:var(--space-3) var(--space-5);z-index:1000;opacity:1;font-size:var(--text-sm);animation:slideInRight var(--transition-base) forwards;transition:opacity var(--transition-base),transform var(--transition-base)}.toast--success{border-left:3px solid var(--color-success)}.toast--error{border-left:3px solid var(--color-error)}.icon{display:inline-flex;align-items:center;justify-content:center;width:1.1em;height:1.1em;line-height:1;flex-shrink:0;font-style:normal}.icon-folder:before{content:"";display:block;width:.85em;height:.65em;border:2px solid currentColor;border-radius:0 3px 3px}.icon-refresh:before{content:"↻";font-weight:700;font-size:1.15em}.icon-download:before{content:"↓";font-weight:700;font-size:1.4em}.icon-link:before{content:"↗";font-weight:700;font-size:1.3em}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%{opacity:.6}50%{opacity:1}to{opacity:.6}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}