:root{--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-heading: "Outfit", var(--font-sans);--bg-primary: #f8fafd;--bg-surface: #ffffff;--bg-surface-elevated: #ffffff;--bg-surface-hover: #f0f4f9;--bg-sidebar: #f2f6fc;--bg-input: #eef2fa;--bg-glass: rgba(255, 255, 255, .85);--border-color: #e2e8f0;--border-subtle: #edf2f7;--border-focus: #1a73e8;--text-primary: #1e293b;--text-secondary: #475569;--text-muted: #64748b;--text-inverse: #ffffff;--accent-blue: #1a73e8;--accent-blue-hover: #1557b0;--accent-blue-subtle: rgba(26, 115, 232, .1);--accent-green: #1e8e3e;--accent-green-subtle: rgba(30, 142, 62, .1);--accent-yellow: #f59e0b;--accent-yellow-subtle: rgba(245, 158, 11, .1);--accent-red: #ea4335;--accent-red-subtle: rgba(234, 67, 53, .1);--accent-purple: #9333ea;--accent-purple-subtle: rgba(147, 51, 234, .1);--accent-teal: #0d9488;--accent-teal-subtle: rgba(13, 148, 136, .1);--shadow-xs: 0 1px 2px rgba(0, 0, 0, .04);--shadow-sm: 0 2px 6px rgba(0, 0, 0, .06);--shadow-md: 0 8px 20px rgba(0, 0, 0, .08);--shadow-lg: 0 16px 36px rgba(0, 0, 0, .12);--shadow-drawer: -4px 0 28px rgba(0, 0, 0, .12);--radius-xs: 6px;--radius-sm: 10px;--radius-md: 14px;--radius-lg: 20px;--radius-full: 9999px;--transition: all .22s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--bg-primary: #0b0f14;--bg-surface: #121820;--bg-surface-elevated: #1a222d;--bg-surface-hover: #222d3b;--bg-sidebar: #0f141a;--bg-input: #171f2a;--bg-glass: rgba(18, 24, 32, .88);--border-color: #232e3d;--border-subtle: #1c2532;--border-focus: #3b82f6;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-muted: #8092a8;--text-inverse: #0b0f14;--accent-blue: #3b82f6;--accent-blue-hover: #60a5fa;--accent-blue-subtle: rgba(59, 130, 246, .16);--accent-green: #22c55e;--accent-green-subtle: rgba(34, 197, 94, .16);--accent-yellow: #fbbf24;--accent-yellow-subtle: rgba(251, 191, 36, .16);--accent-red: #f87171;--accent-red-subtle: rgba(248, 113, 113, .16);--accent-purple: #c084fc;--accent-purple-subtle: rgba(192, 132, 252, .16);--accent-teal: #2dd4bf;--accent-teal-subtle: rgba(45, 212, 191, .16);--shadow-xs: 0 1px 3px rgba(0, 0, 0, .5);--shadow-sm: 0 3px 8px rgba(0, 0, 0, .5);--shadow-md: 0 10px 24px rgba(0, 0, 0, .6);--shadow-lg: 0 20px 48px rgba(0, 0, 0, .75);--shadow-drawer: -6px 0 32px rgba(0, 0, 0, .7)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);overflow-x:hidden;height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{height:100vh;display:flex;flex-direction:column}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app-container{display:flex;height:100vh;width:100vw;overflow:hidden;position:relative}.app-sidebar{width:260px;flex-shrink:0;background-color:var(--bg-sidebar);display:flex;flex-direction:column;padding:18px 14px;border-right:1px solid var(--border-color);transition:transform .28s cubic-bezier(.4,0,.2,1);-webkit-user-select:none;user-select:none;z-index:90}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:4px 10px 18px;font-family:var(--font-heading);font-weight:700;font-size:1.3rem;letter-spacing:-.02em}.sidebar-brand svg{width:32px;height:32px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.15))}.sidebar-brand-text{background:linear-gradient(135deg,var(--text-primary) 30%,var(--accent-blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.btn-new{display:flex;align-items:center;gap:12px;background:linear-gradient(135deg,var(--bg-surface-elevated),var(--bg-surface));color:var(--text-primary);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);padding:14px 22px;border-radius:var(--radius-md);font-weight:600;font-size:.95rem;cursor:pointer;width:100%;transition:var(--transition)}.btn-new:hover{box-shadow:var(--shadow-md);transform:translateY(-1px);border-color:var(--accent-blue)}.btn-new svg{color:var(--accent-blue)}.sidebar-nav{display:flex;flex-direction:column;gap:4px;flex:1;margin-top:14px;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:14px;padding:11px 16px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.9rem;font-weight:500;cursor:pointer;transition:var(--transition);border:1px solid transparent}.nav-item:hover{background-color:var(--bg-surface-hover);color:var(--text-primary)}.nav-item.active{background:var(--accent-blue-subtle);color:var(--accent-blue);font-weight:600;border-color:#3b82f633}.storage-widget{margin-top:auto;padding:16px;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-xs);cursor:pointer;transition:var(--transition)}.storage-widget:hover{border-color:var(--accent-blue);box-shadow:var(--shadow-sm)}.storage-bar-bg{height:6px;background-color:var(--bg-input);border-radius:var(--radius-full);overflow:hidden;margin:10px 0 6px}.storage-bar-fill{height:100%;border-radius:var(--radius-full);background:linear-gradient(90deg,var(--accent-blue),var(--accent-teal));transition:width .4s ease}.app-main{flex:1;display:flex;flex-direction:column;height:100vh;min-width:0;background-color:var(--bg-primary);overflow:hidden}.app-navbar{height:68px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;background-color:var(--bg-primary);border-bottom:1px solid var(--border-subtle);flex-shrink:0}.navbar-search{flex:1;max-width:720px}.search-input-wrapper{position:relative;display:flex;align-items:center;background-color:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:0 16px;height:46px;transition:var(--transition)}.search-input-wrapper:focus-within{background-color:var(--bg-surface);border-color:var(--accent-blue);box-shadow:0 0 0 3px var(--accent-blue-subtle)}.search-input{width:100%;border:none;background:transparent;padding:0 12px;font-size:.92rem;color:var(--text-primary);outline:none}.navbar-actions{display:flex;align-items:center;gap:10px}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--radius-sm);background:transparent;border:1px solid transparent;color:var(--text-secondary);cursor:pointer;transition:var(--transition)}.icon-btn:hover{background-color:var(--bg-surface-hover);color:var(--text-primary);border-color:var(--border-color)}.icon-btn.active{background-color:var(--accent-blue-subtle);color:var(--accent-blue)}.user-avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--accent-blue),var(--accent-purple));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.95rem;cursor:pointer;border:2px solid var(--bg-surface);box-shadow:var(--shadow-sm);transition:var(--transition)}.user-avatar:hover{transform:scale(1.05)}.filter-bar{display:flex;align-items:center;gap:8px;padding:10px 24px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;background-color:var(--bg-primary);border-bottom:1px solid var(--border-subtle);flex-shrink:0}.filter-bar::-webkit-scrollbar{display:none}.filter-chip{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--radius-full);background-color:var(--bg-surface);border:1px solid var(--border-color);color:var(--text-secondary);font-size:.82rem;font-weight:500;cursor:pointer;white-space:nowrap;transition:var(--transition)}.filter-chip:hover{border-color:var(--accent-blue);color:var(--text-primary)}.filter-chip.active{background-color:var(--accent-blue-subtle);border-color:var(--accent-blue);color:var(--accent-blue);font-weight:600}.drive-content{flex:1;overflow-y:auto;padding:20px 24px;position:relative}.drive-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:12px;flex-wrap:wrap}.breadcrumbs-container{display:flex;align-items:center;gap:8px;font-size:.95rem;font-weight:600;overflow-x:auto;white-space:nowrap;padding:4px 0}.breadcrumb-item{display:inline-flex;align-items:center;gap:6px;padding:4px 8px;border-radius:var(--radius-xs);color:var(--text-secondary);cursor:pointer;transition:var(--transition)}.breadcrumb-item:hover{background-color:var(--bg-surface-hover);color:var(--text-primary)}.breadcrumb-item.active{color:var(--text-primary);cursor:default}.section-title{font-family:var(--font-heading);font-size:.92rem;font-weight:600;color:var(--text-secondary);margin:20px 0 12px;display:flex;align-items:center;gap:8px}.folder-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin-bottom:28px}.folder-card{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:14px 16px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;transition:var(--transition);box-shadow:var(--shadow-xs);position:relative}.folder-card:hover{border-color:var(--accent-blue);box-shadow:var(--shadow-sm);transform:translateY(-2px)}.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}.file-card{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);display:flex;flex-direction:column;cursor:pointer;transition:var(--transition);box-shadow:var(--shadow-xs);position:relative}.file-card:hover{border-color:var(--accent-blue);box-shadow:var(--shadow-md);transform:translateY(-3px);z-index:50}.file-card.selected{border-color:var(--accent-blue);background-color:var(--accent-blue-subtle);box-shadow:0 0 0 2px var(--accent-blue)}.file-card-preview{height:140px;background-color:var(--bg-input);display:flex;align-items:center;justify-content:center;overflow:hidden;border-radius:var(--radius-md) var(--radius-md) 0 0;position:relative}.file-card-preview img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.file-card:hover .file-card-preview img{transform:scale(1.05)}.file-card-info{padding:12px 14px}.file-card-name{font-size:.88rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}.file-card-meta{display:flex;align-items:center;gap:8px;font-size:.75rem;color:var(--text-muted)}.file-table-container{width:100%;overflow-x:auto;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-xs)}.file-table{width:100%;border-collapse:collapse;text-align:left;font-size:.88rem}.file-table th{padding:12px 16px;color:var(--text-muted);font-weight:600;font-size:.8rem;border-bottom:1px solid var(--border-color);background-color:var(--bg-primary)}.file-table td{padding:12px 16px;border-bottom:1px solid var(--border-subtle);color:var(--text-primary);vertical-align:middle}.file-table tr{transition:var(--transition);cursor:pointer}.file-table tr:hover td{background-color:var(--bg-surface-hover)}.file-table tr.selected td{background-color:var(--accent-blue-subtle)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#000000a6;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:100;padding:16px;animation:fadeIn .2s ease}.modal-card{background-color:var(--bg-surface);border-radius:var(--radius-lg);border:1px solid var(--border-color);box-shadow:var(--shadow-lg);width:100%;max-width:540px;max-height:90vh;display:flex;flex-direction:column;overflow:hidden;animation:scaleIn .22s cubic-bezier(.16,1,.3,1)}.modal-header{padding:18px 22px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border-color)}.modal-title{font-size:1.1rem;font-weight:600;font-family:var(--font-heading)}.modal-body{padding:22px;overflow-y:auto}.modal-footer{padding:14px 22px;display:flex;align-items:center;justify-content:flex-end;gap:12px;border-top:1px solid var(--border-color);background-color:var(--bg-primary)}.form-group{margin-bottom:16px}.form-label{display:block;font-size:.82rem;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-input{width:100%;padding:10px 14px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background-color:var(--bg-input);color:var(--text-primary);font-size:.9rem;outline:none;transition:var(--transition)}.form-input:focus{border-color:var(--border-focus);background-color:var(--bg-surface);box-shadow:0 0 0 3px var(--accent-blue-subtle)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:9px 18px;border-radius:var(--radius-sm);font-weight:600;font-size:.88rem;cursor:pointer;border:none;transition:var(--transition);white-space:nowrap}.btn:active{transform:scale(.98)}.btn-primary{background:linear-gradient(135deg,var(--accent-blue),var(--accent-blue-hover));color:#fff;box-shadow:0 2px 8px var(--accent-blue-subtle)}.btn-primary:hover{box-shadow:0 4px 14px var(--accent-blue-subtle);transform:translateY(-1px)}.btn-secondary{background-color:var(--bg-surface);border:1px solid var(--border-color);color:var(--text-secondary)}.btn-secondary:hover{background-color:var(--bg-surface-hover);color:var(--text-primary);border-color:var(--text-muted)}.spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}@keyframes slideUp{0%{opacity:0;transform:translate(-50%,24px)}to{opacity:1;transform:translate(-50%)}}@media(max-width:1024px){.folder-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}.file-grid{grid-template-columns:repeat(auto-fill,minmax(170px,1fr))}}@media(max-width:768px){.app-sidebar{position:fixed;top:0;left:0;bottom:0;width:280px;box-shadow:var(--shadow-drawer);transform:translate(-100%);z-index:150}.app-sidebar.mobile-open{transform:translate(0)}.sidebar-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:140;animation:fadeIn .2s ease}.mobile-menu-btn{display:inline-flex!important}.app-navbar{padding:0 14px;height:60px;gap:10px}.navbar-search{max-width:100%}.search-input-wrapper{height:40px;padding:0 10px}.drive-content{padding:14px}.folder-grid{grid-template-columns:repeat(2,1fr);gap:10px}.file-grid{grid-template-columns:repeat(2,1fr);gap:12px}.file-card-preview{height:110px}.modal-card{max-height:94vh;border-radius:var(--radius-md)}.modal-header{padding:14px 16px}.modal-body{padding:16px}.modal-footer{padding:12px 16px}}@media(max-width:480px){.folder-grid,.file-grid{grid-template-columns:1fr}.filter-bar{padding:8px 14px}.file-table th:nth-child(3),.file-table td:nth-child(3),.file-table th:nth-child(4),.file-table td:nth-child(4){display:none}}.upload-drawer{position:fixed!important;bottom:24px!important;right:24px!important;width:380px;max-width:calc(100vw - 32px);background-color:var(--bg-surface-elevated);border-radius:var(--radius-md);border:1px solid var(--border-color);box-shadow:var(--shadow-lg);z-index:250;overflow:hidden;animation:slideUpDrawer .25s cubic-bezier(.16,1,.3,1)}.upload-drawer-header{padding:12px 16px;background-color:var(--bg-primary);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border-color);font-size:.88rem;font-weight:600}.upload-drawer-body{max-height:280px;overflow-y:auto;padding:8px 0}.upload-item{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;gap:12px;font-size:.85rem}.upload-progress-bar{width:100%;height:4px;background-color:var(--bg-input);border-radius:2px;overflow:hidden;margin-top:4px}.upload-progress-fill{height:100%;background-color:var(--accent-blue);transition:width .2s ease}@keyframes slideUpDrawer{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}