:root{--bg:#fff;--bg-alt:#f6f5f4;--card-bg:#fff;--text:#000000f2;--text-secondary:#615d59;--text-muted:#a39e98;--border:#0000001a;--primary:#0075de;--primary-hover:#005bab;--primary-light:#f2f9ff;--primary-text:#097fe8;--danger:#d1242f;--danger-bg:#fff1f0;--success:#2a9d99;--hover-bg:#00000008;--selected-bg:#f2f9ff;--shadow-card:#0000000a 0px 4px 18px, #00000007 0px 2px 7.85px, #00000005 0px .8px 2.93px, #00000003 0px .175px 1.04px;--shadow-deep:#00000003 0px 1px 3px, #00000005 0px 3px 7px, #00000005 0px 7px 15px, #0000000a 0px 14px 28px, #0000000d 0px 23px 52px;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,system-ui,Segoe UI,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.5}@media (prefers-color-scheme:dark){:root{--bg:#191919;--bg-alt:#1e1e1e;--card-bg:#232323;--text:#ffffffeb;--text-secondary:#a39e98;--text-muted:#615d59;--border:#ffffff1a;--primary:#4da3e8;--primary-hover:#62aef0;--primary-light:#4da3e81a;--primary-text:#62aef0;--danger:#f85149;--danger-bg:#f851491a;--hover-bg:#ffffff0a;--selected-bg:#4da3e814;--shadow-card:none;--shadow-deep:none}}*{box-sizing:border-box;margin:0;padding:0}body{margin:0}.app-layout{min-height:100vh;display:flex}.main-content{background:var(--bg);flex:1;padding:28px 36px;overflow-y:auto}.sidebar{background:var(--bg-alt);border-right:1px solid var(--border);flex-direction:column;width:240px;padding:20px 0;display:flex}.sidebar h1{border-bottom:1px solid var(--border);letter-spacing:-.3px;color:var(--text);margin-bottom:8px;padding:0 20px 18px;font-size:15px;font-weight:600}.sidebar-nav-item{color:var(--text-secondary);cursor:pointer;text-align:left;background:0 0;border:none;border-left:3px solid #0000;border-radius:0;align-items:center;gap:10px;width:100%;padding:8px 20px;font-family:inherit;font-size:14px;font-weight:500;text-decoration:none;transition:all .12s;display:flex}.sidebar-nav-item:hover{color:var(--text);background:var(--hover-bg)}.sidebar-nav-item.active{color:var(--text);background:var(--hover-bg);border-left-color:var(--primary);font-weight:600}.sidebar-nav-item.logout-btn{color:var(--text-muted);border-left:3px solid #0000;margin-top:4px;font-size:13px}.sidebar-nav-item.logout-btn:hover{color:var(--danger)}.sidebar .spacer{flex:1}.sidebar-user{align-items:center;gap:10px;padding:10px 20px;display:flex}.sidebar-avatar{background:var(--text-secondary);color:#fff;border-radius:100%;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:26px;font-size:11px;font-weight:600;display:flex}.sidebar-email{color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.storage-bar{border-top:1px solid var(--border);margin-top:8px;padding:14px 20px}.storage-bar-info{color:var(--text-muted);justify-content:space-between;margin-bottom:6px;font-size:11px;font-weight:500;display:flex}.storage-bar-track{background:var(--border);border-radius:9999px;height:4px;overflow:hidden}.storage-bar-fill{background:var(--primary);border-radius:9999px;min-width:2px;height:100%;transition:width .3s}.file-toolbar{justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;display:flex}.file-toolbar h2{letter-spacing:-.3px;margin-bottom:0;font-size:16px;font-weight:600}.file-toolbar-actions{flex-shrink:0;align-items:center;gap:8px;display:flex}.search-box{position:relative}.search-box input{border:1px solid var(--border);background:var(--card-bg);color:var(--text);border-radius:4px;width:220px;padding:6px 12px 6px 32px;font-size:13px;transition:border-color .15s,box-shadow .15s}.search-box input::placeholder{color:var(--text-muted)}.search-box input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 2px #0075de26}.search-icon{color:var(--text-muted);pointer-events:none;position:absolute;top:50%;left:10px;transform:translateY(-50%)}.selection-bar{background:var(--primary-light);color:var(--primary);border:1px solid var(--border);border-radius:8px;justify-content:space-between;align-items:center;margin-bottom:16px;padding:10px 16px;font-size:14px;font-weight:600;display:flex}.selection-bar-actions{gap:8px;display:flex}.breadcrumb{color:var(--text-muted);flex-wrap:wrap;align-items:center;font-size:14px;font-weight:500;display:flex}.breadcrumb-item{cursor:pointer;color:var(--text-secondary)}.breadcrumb-item:hover{color:var(--primary)}.breadcrumb-sep{color:var(--text-muted);margin:0 6px}.file-table{border-collapse:collapse;background:var(--card-bg);border:1px solid var(--border);width:100%;box-shadow:var(--shadow-card);border-radius:12px;overflow:hidden}.file-table th{text-align:left;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);border-bottom:1px solid var(--border);background:var(--bg-alt);white-space:nowrap;-webkit-user-select:none;user-select:none;padding:10px 16px;font-size:12px;font-weight:600}.file-table th.sortable{cursor:pointer}.file-table th.sortable:hover{color:var(--text-secondary)}.file-table td{border-bottom:1px solid var(--border);white-space:nowrap;padding:10px 16px;font-size:14px}.file-table tbody tr:last-child td{border-bottom:none}.file-table tbody tr{cursor:pointer;transition:background 80ms}.file-table tbody tr:hover{background:var(--hover-bg)}.file-table tbody tr.selected{background:var(--selected-bg)}.file-table tbody tr.file-row-dir{font-weight:500}.col-checkbox{text-align:center;width:40px}.col-name{min-width:200px}.col-size{width:100px}.col-modified{width:160px}.col-actions{width:110px}.file-name-cell{text-overflow:ellipsis;white-space:nowrap;align-items:center;gap:10px;max-width:100%;display:inline-flex;overflow:hidden}.file-icon-svg{flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;display:inline-flex}.sort-arrow{color:var(--primary);margin-left:4px;font-size:10px}.sort-arrow.muted{color:var(--text-muted);opacity:.4}.row-actions{opacity:0;gap:2px;transition:opacity .12s;display:flex}.file-table tbody tr:hover .row-actions{opacity:1}.text-muted{color:var(--text-secondary);font-size:13px}.empty-state{color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:80px 20px;display:flex}.empty-state p{font-size:14px;font-weight:500}.pagination{justify-content:space-between;align-items:center;padding:16px 0;display:flex}.pagination-info{color:var(--text-muted);font-size:13px;font-weight:500}.pagination-buttons{align-items:center;gap:4px;display:flex}.pagination-btn{border:1px solid var(--border);background:var(--card-bg);min-width:32px;height:32px;color:var(--text-secondary);cursor:pointer;border-radius:4px;justify-content:center;align-items:center;padding:0 8px;font-size:13px;font-weight:500;transition:all .12s;display:inline-flex}.pagination-btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.pagination-btn:disabled{opacity:.35;cursor:not-allowed}.pagination-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}.pagination-dots{color:var(--text-muted);padding:0 4px}.btn{cursor:pointer;border:1px solid #0000;border-radius:4px;align-items:center;gap:5px;padding:6px 16px;font-family:inherit;font-size:14px;font-weight:500;transition:all .12s;display:inline-flex}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-primary:active:not(:disabled){transform:scale(.97)}.btn-secondary{color:var(--text);background:#0000000d}.btn-secondary:hover:not(:disabled){background:#00000014}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#b91c26}.btn-sm{padding:4px 12px;font-size:13px}@media (prefers-color-scheme:dark){.btn-secondary{color:var(--text);background:#ffffff14}.btn-secondary:hover:not(:disabled){background:#ffffff1f}}.btn-icon{cursor:pointer;width:28px;height:28px;color:var(--text-muted);background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;transition:all .12s;display:inline-flex}.btn-icon:hover{background:var(--hover-bg);color:var(--text-secondary)}.btn-icon-danger:hover{color:var(--danger)}.btn-link{color:var(--primary);cursor:pointer;background:0 0;border:none;padding:0;font-family:inherit;font-size:13px;font-weight:500}.btn-link:hover{text-decoration:underline}.modal-overlay{z-index:100;background:#0006;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-card{background:var(--card-bg);width:400px;max-width:90vw;box-shadow:var(--shadow-deep);border:1px solid var(--border);border-radius:12px;padding:24px}.modal-card h3{letter-spacing:-.2px;margin-bottom:8px;font-size:15px;font-weight:600}.modal-lg{width:500px}.modal-preview{flex-direction:column;width:800px;max-height:90vh;display:flex}.rename-input{background:var(--card-bg);width:100%;color:var(--text);border:1px solid #ddd;border-radius:4px;margin-top:12px;padding:6px 10px;font-family:inherit;font-size:14px;transition:border-color .15s,box-shadow .15s}.rename-input::placeholder{color:var(--text-muted)}.rename-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 2px #0075de26}.login-page{background:var(--bg-alt);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--card-bg);border:1px solid var(--border);width:360px;box-shadow:var(--shadow-card);border-radius:12px;padding:40px}.login-card h1{text-align:center;letter-spacing:-.5px;margin-bottom:24px;font-size:22px;font-weight:700}.login-card input{background:var(--card-bg);width:100%;color:var(--text);border:1px solid #ddd;border-radius:4px;margin-bottom:12px;padding:8px 10px;font-family:inherit;font-size:14px}.login-card input::placeholder{color:var(--text-muted)}.login-card input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 2px #0075de26}.login-card button{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:4px;width:100%;padding:8px;font-family:inherit;font-size:14px;font-weight:600;transition:background .12s}.login-card button:hover{background:var(--primary-hover)}.login-card button:active{transform:scale(.97)}.error{color:var(--danger);margin-bottom:12px;font-size:13px;font-weight:500}h2{letter-spacing:-.3px;margin-bottom:16px;font-size:16px;font-weight:600}.drop-zone{border:2px dashed var(--border);text-align:center;cursor:pointer;color:var(--text-muted);border-radius:8px;margin-bottom:12px;padding:30px;font-size:14px;transition:all .12s}.drop-zone:hover,.drop-zone-active{border-color:var(--primary);background:var(--primary-light);color:var(--primary)}.upload-file-list{max-height:200px;margin-bottom:8px;overflow-y:auto}.upload-file-row{border-bottom:1px solid var(--border);align-items:center;gap:8px;padding:6px 0;font-size:13px;display:flex}.upload-file-name{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.upload-file-size{color:var(--text-muted)}.upload-file-progress{color:var(--primary);text-align:right;width:40px;font-weight:600}.preview-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:flex-start;padding-bottom:12px;display:flex}.preview-meta{color:var(--text-muted);font-size:12px}.preview-body{flex:1;justify-content:center;align-items:center;min-height:200px;padding:16px 0;display:flex;overflow:auto}.preview-image{border-radius:4px;max-width:100%;max-height:70vh}.preview-text{background:var(--bg-alt);border:1px solid var(--border);white-space:pre-wrap;word-break:break-all;border-radius:8px;width:100%;max-height:70vh;padding:16px;font-family:SF Mono,Fira Code,monospace;font-size:13px;line-height:1.5;overflow:auto}.preview-pdf{border:none;width:100%;height:70vh}.preview-media{max-width:100%}.preview-loading,.preview-info{color:var(--text-muted);font-size:14px}.version-list{border:1px solid var(--border);border-radius:8px;max-height:150px;margin:12px 0;overflow-y:auto}.version-row{border-bottom:1px solid var(--border);color:var(--text-muted);justify-content:space-between;align-items:center;padding:6px 12px;font-size:12px;display:flex}.version-row:last-child{border-bottom:none}.stats-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;margin-bottom:30px;display:grid}.stat-card{background:var(--card-bg);border:1px solid var(--border);box-shadow:var(--shadow-card);border-radius:12px;padding:20px}.stat-card .label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;font-size:12px;font-weight:500}.stat-card .value{letter-spacing:-.5px;font-size:28px;font-weight:700}table:not(.file-table){border-collapse:collapse;background:var(--card-bg);border:1px solid var(--border);width:100%;box-shadow:var(--shadow-card);border-radius:12px;overflow:hidden}table:not(.file-table) th,table:not(.file-table) td{text-align:left;border-bottom:1px solid var(--border);padding:10px 16px;font-size:14px}table:not(.file-table) th{text-transform:uppercase;color:var(--text-muted);letter-spacing:.5px;background:var(--bg-alt);font-size:12px;font-weight:600}input[type=checkbox]{accent-color:var(--primary);cursor:pointer;width:15px;height:15px}.landing{background:var(--bg);min-height:100vh}.landing-nav{z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);background:#ffffffd9;position:fixed;top:0;left:0;right:0}@media (prefers-color-scheme:dark){.landing-nav{background:#191919d9}}.landing-nav-inner{justify-content:space-between;align-items:center;max-width:1080px;height:56px;margin:0 auto;padding:0 24px;display:flex}.landing-logo{color:var(--text);align-items:center;gap:10px;font-size:17px;font-weight:700;display:flex}.landing-nav-links{align-items:center;gap:24px;display:flex}.landing-nav-links a{color:var(--text-secondary);font-size:14px;font-weight:500;text-decoration:none;transition:color .15s}.landing-nav-links a:hover{color:var(--text)}.landing-hero{text-align:center;max-width:1080px;margin:0 auto;padding:140px 24px 60px}.landing-hero h1{letter-spacing:-.03em;color:var(--text);margin:0 0 16px;font-size:52px;font-weight:700;line-height:1.1}.landing-hero-sub{color:var(--text-secondary);margin:0 0 36px;font-size:18px;line-height:1.6}.landing-hero-actions{justify-content:center;gap:12px;margin-bottom:60px;display:flex}.landing-hero-actions .btn{border-radius:8px;padding:10px 28px;font-size:15px;font-weight:600}.landing-hero-visual{justify-content:center;display:flex}.landing-screenshot{width:100%;max-width:600px;box-shadow:var(--shadow-deep);border:1px solid var(--border);background:var(--card-bg);border-radius:12px;overflow:hidden}.landing-screenshot-bar{background:var(--bg-alt);border-bottom:1px solid var(--border);align-items:center;gap:8px;padding:12px 16px;display:flex}.landing-screenshot-bar .dot{border-radius:50%;width:12px;height:12px}.dot.red{background:#ff5f57}.dot.yellow{background:#febc2e}.dot.green{background:#28c840}.landing-screenshot-title{color:var(--text-secondary);margin-left:8px;font-size:13px;font-weight:500}.landing-screenshot-body{padding:8px 0}.landing-file-row{align-items:center;gap:12px;padding:10px 20px;font-size:14px;transition:background .1s;display:flex}.landing-file-row:hover{background:var(--hover-bg)}.landing-file-row .name{text-align:left;color:var(--text);flex:1;font-weight:500}.landing-file-row .badge{border-radius:9999px;padding:2px 8px;font-size:11px;font-weight:600}.badge.synced{color:#2a9d99;background:#e6f7f6}.badge.syncing{background:var(--primary-light);color:var(--primary)}@media (prefers-color-scheme:dark){.badge.synced{background:#2a9d9926}.badge.syncing{background:#097fe826}}.landing-features{text-align:center;max-width:1080px;margin:0 auto;padding:80px 24px}.landing-features h2,.landing-download h2{letter-spacing:-.02em;color:var(--text);margin:0 0 8px;font-size:32px;font-weight:700}.landing-section-sub{color:var(--text-secondary);margin:0 0 48px;font-size:16px}.landing-features-grid{text-align:left;grid-template-columns:repeat(2,1fr);gap:20px;display:grid}.landing-feature-card{border:1px solid var(--border);background:var(--card-bg);border-radius:12px;padding:28px;transition:box-shadow .2s}.landing-feature-card:hover{box-shadow:var(--shadow-card)}.landing-feature-icon{background:var(--primary-light);width:48px;height:48px;color:var(--primary);border-radius:10px;justify-content:center;align-items:center;margin-bottom:16px;display:flex}.landing-feature-card h3{color:var(--text);margin:0 0 6px;font-size:16px;font-weight:600}.landing-feature-card p{color:var(--text-secondary);margin:0;font-size:14px;line-height:1.6}.landing-download{text-align:center;background:var(--bg-alt);border-radius:16px;max-width:1080px;margin:0 auto 80px;padding:80px 24px}.landing-download-grid{text-align:center;grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.landing-download-card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:32px 24px}.landing-download-card svg{color:var(--text-secondary);margin-bottom:16px}.landing-download-card h3{color:var(--text);margin:0 0 8px;font-size:18px;font-weight:600}.landing-download-card p{color:var(--text-secondary);margin:0 0 20px;font-size:14px;line-height:1.5}.landing-download-card .btn{border-radius:8px;width:100%}.landing-footer{text-align:center;border-top:1px solid var(--border);padding:32px 24px}.landing-footer p{color:var(--text-muted);margin:0;font-size:13px}@media (width<=768px){.landing-hero h1{font-size:36px}.landing-hero-sub{font-size:16px}.landing-hero-actions{flex-direction:column;align-items:center}.landing-features-grid,.landing-download-grid{grid-template-columns:1fr}.landing-download{margin-left:16px;margin-right:16px}}