:root{font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,sans-serif;color:#1f2937;background:#f5f7fb;font-synthesis:none;text-rendering:optimizeLegibility;--blue: #2878ff;--blue-dark: #1764e8;--blue-soft: #eaf2ff;--border: #e5eaf2;--muted: #7b8799;--panel: #ffffff;--sidebar: #f7f9fc}*{box-sizing:border-box}html,body,#root{min-width:320px;min-height:100%;margin:0}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.58}.drive-login-screen{min-height:100vh;display:grid;place-items:center;padding:32px 20px;background:radial-gradient(circle at 18% 15%,rgba(78,146,255,.16),transparent 31%),radial-gradient(circle at 82% 84%,rgba(93,204,214,.14),transparent 28%),linear-gradient(145deg,#f8fbff,#edf4ff 52%,#f7faff)}.drive-login-card{width:min(430px,100%);padding:42px 40px 34px;border:1px solid rgba(210,223,243,.9);border-radius:22px;background:#fffffff0;box-shadow:0 24px 70px #2c5ca024;text-align:center}.drive-brand-mark{width:58px;height:58px;margin:0 auto 18px;display:grid;place-items:center;border-radius:16px;color:#fff;background:linear-gradient(145deg,#3184ff,#1764e8);box-shadow:0 12px 26px #2878ff40;font-size:21px;font-weight:800}.drive-login-card h1{margin:0;font-size:28px;letter-spacing:.02em}.drive-login-card>p{margin:10px 0 28px;color:var(--muted);font-size:14px}.drive-login-card form{display:grid;gap:16px;text-align:left}.drive-login-card label{display:grid;gap:8px}.drive-login-card label span{color:#536176;font-size:13px;font-weight:600}.drive-login-card input{width:100%;height:46px;padding:0 14px;border:1px solid #dce3ee;border-radius:10px;outline:none;background:#fbfcfe;transition:border-color .2s,box-shadow .2s}.drive-login-card input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #2878ff1f;background:#fff}.primary-button,.guest-button{height:47px;display:flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;font-weight:700}.primary-button{border:0;color:#fff;background:var(--blue);box-shadow:0 8px 18px #2878ff38}.primary-button:hover{background:var(--blue-dark)}.guest-button{width:100%;border:1px solid #d7e1ef;color:#31506f;background:#f7faff}.guest-button:hover{border-color:#a9c7f8;color:var(--blue);background:var(--blue-soft)}.login-divider{position:relative;height:38px;display:grid;place-items:center;color:#a5aebb;font-size:12px}.login-divider:before{content:"";position:absolute;inset:50% 0 auto;border-top:1px solid #edf0f4}.login-divider span{position:relative;padding:0 12px;background:#fff}.drive-login-card>small{display:block;margin-top:13px;color:#98a2b1}.login-status{margin-top:16px;padding:10px 12px;border-radius:8px;color:#36597c;background:#edf5ff;font-size:13px}.drive-app-shell{min-height:100vh;background:#f7f9fc}.drive-topbar{height:68px;position:sticky;top:0;z-index:20;display:grid;grid-template-columns:260px minmax(320px,680px) 1fr;align-items:center;gap:24px;padding:0 28px;border-bottom:1px solid var(--border);background:#fffffff5;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.drive-logo{display:flex;align-items:center;gap:12px;white-space:nowrap}.drive-logo>span{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;color:#fff;background:var(--blue);font-weight:800}.drive-logo strong{font-size:18px}.global-search{height:40px;display:flex;align-items:center;gap:9px;padding-left:14px;border:1px solid #e0e6ef;border-radius:20px;background:#f5f7fa}.global-search svg{color:#8a95a5}.global-search input{min-width:0;flex:1;border:0;outline:0;background:transparent}.global-search button{align-self:stretch;padding:0 20px;border:0;border-radius:0 20px 20px 0;color:#fff;background:var(--blue)}.drive-account{display:flex;align-items:center;justify-content:flex-end;gap:12px;min-width:0}.drive-account strong{max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}.drive-account>button{width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--border);border-radius:50%;color:#657288;background:#fff}.role-badge{padding:5px 10px;border-radius:999px;font-size:12px;font-style:normal;font-weight:700}.role-badge.admin{color:#1764e8;background:#e9f2ff}.role-badge.visitor{color:#31735b;background:#eaf8f1}.drive-body{min-height:calc(100vh - 68px);display:grid;grid-template-columns:220px minmax(0,1fr)}.drive-sidebar{position:sticky;top:68px;height:calc(100vh - 68px);display:flex;flex-direction:column;padding:20px 12px 18px;border-right:1px solid var(--border);background:var(--sidebar);overflow:hidden}.sidebar-nav{display:flex;flex-direction:column;gap:4px;flex:1}.sidebar-nav-item{width:100%;height:42px;display:flex;align-items:center;gap:12px;padding:0 14px;border:0;border-radius:9px;color:#475569;background:transparent;font-size:14px;font-weight:500;cursor:pointer;transition:all .15s ease;text-align:left}.sidebar-nav-item:hover{color:var(--blue);background:#f0f4fa}.sidebar-nav-item.active{color:var(--blue);background:var(--blue-soft);font-weight:700}.sidebar-nav-item svg{color:#64748b}.sidebar-nav-item:hover svg,.sidebar-nav-item.active svg{color:var(--blue)}.sidebar-capacity{padding:14px 12px 4px;border-top:1px solid var(--border)}.sidebar-capacity>div:first-child{display:flex;align-items:center;gap:8px;margin-bottom:8px}.sidebar-capacity strong{font-size:13px}.sidebar-capacity>span{color:var(--muted);font-size:12px}.capacity-track{height:5px;margin-top:9px;border-radius:999px;background:#e4e9f1;overflow:hidden}.capacity-track i{display:block;height:100%;border-radius:inherit;background:var(--blue)}.drive-main{min-width:0;padding:20px 30px 40px}.drive-path-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;margin-bottom:14px}.path-left{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.back-parent-button{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border:1px solid #d0dbe9;border-radius:7px;color:var(--blue);background:#fff;font-size:13px;font-weight:600;cursor:pointer;transition:all .15s ease}.back-parent-button:hover{border-color:var(--blue);background:var(--blue-soft)}.path-separator{color:#d0d8e2;font-size:14px;margin:0 2px}.drive-breadcrumbs{display:flex;align-items:center;gap:6px;color:#64748b;font-size:14px}.drive-breadcrumbs button{padding:0;border:0;color:#475569;background:transparent;font-size:14px;cursor:pointer}.drive-breadcrumbs button:hover{color:var(--blue);text-decoration:underline}.drive-breadcrumbs .current-crumb{color:#0f172a;font-weight:700}.path-right{display:flex;align-items:center;gap:14px;white-space:nowrap}.path-stats{color:#8a97a8;font-size:13px}.refresh-button{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--border);border-radius:8px;color:#4a586d;background:#fff;font-size:13px;cursor:pointer;transition:all .15s ease}.refresh-button:hover{border-color:#bccadc;color:var(--blue);background:#f8fafc}.spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.drive-toolbar{min-height:54px;display:flex;align-items:center;gap:10px;margin-top:0;padding:9px 12px;border:1px solid var(--border);border-radius:12px 12px 0 0;background:#fff}.drive-toolbar>button{height:38px;display:flex;align-items:center;gap:7px;padding:0 14px;border:1px solid #dfe5ee;border-radius:8px;color:#47566c;background:#fff}.drive-toolbar .upload-button{border-color:var(--blue);color:#fff;background:var(--blue)}.drive-toolbar .upload-button:hover{background:var(--blue-dark)}.hidden-file-input{display:none}.visibility-picker{display:flex;align-items:center;gap:8px;margin-left:auto;color:var(--muted);font-size:13px}.visibility-picker select,.row-actions select,.visibility-select{height:34px;border:1px solid #dde4ed;border-radius:7px;color:#4d5b70;background:#fff;outline:none}.visibility-picker select{padding:0 28px 0 10px}.readonly-notice{color:#64758a;font-size:13px}.drive-status{padding:10px 14px;border:1px solid #d9e8ff;border-top:0;color:#35628d;background:#f2f7ff;font-size:13px}.drive-file-table{border:1px solid var(--border);border-top:0;border-radius:0 0 12px 12px;background:#fff;overflow:hidden}.table-header,.table-row{display:grid;grid-template-columns:36px minmax(240px,2.3fr) minmax(85px,.65fr) minmax(95px,.75fr) minmax(150px,1fr) minmax(190px,1.1fr);align-items:center;gap:12px}.table-header{min-height:44px;padding:0 14px;color:#8b96a6;background:#fafbfd;font-size:12px;font-weight:700}.table-row{min-height:64px;padding:8px 14px;border-top:1px solid #edf0f4;color:#5a6678;font-size:13px}.table-row:hover{background:#fafcff}.row-selected{background:#f3f7fe!important}.checkbox-button{width:28px;height:28px;display:grid;place-items:center;border:0;border-radius:6px;color:#9aa7b9;background:transparent;padding:0}.checkbox-button:hover{color:var(--blue);background:#f0f4fa}.checkbox-button .checked{color:var(--blue)}.file-name{min-width:0;display:flex;align-items:center;gap:11px;border:0;color:#263549;background:transparent;text-align:left}button.file-name:hover strong{color:var(--blue)}.file-name>div{min-width:0;display:grid;gap:3px}.file-name strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}.file-name small{color:#9aa4b2;font-size:11px}.entry-icon{width:38px;height:38px;flex:0 0 auto;display:grid;place-items:center;border-radius:9px;color:#6d83a5;background:#edf2f8}.entry-icon.folder{color:#e3a11b;background:#fff4d9}.folder-label{color:#a1771d}.row-actions{display:flex;align-items:center;gap:7px;min-width:0}.row-actions button{width:34px;height:34px;display:grid;place-items:center;flex:0 0 auto;border:1px solid #e0e5ec;border-radius:7px;color:#5b687a;background:#fff}.row-actions button:hover{border-color:#a9c7f8;color:var(--blue);background:#f4f8ff}.row-actions button.danger:hover{border-color:#f0b6b6;color:#d84242;background:#fff5f5}.row-actions select{min-width:105px;max-width:140px;padding:0 7px;font-size:12px}.visibility-select{min-width:72px;padding:0 8px;font-size:12px}.visibility-select.public{color:#247451;background:#f0faf5}.visibility-select.private{color:#68758a;background:#f6f7f9}.public-pill{display:inline-flex;padding:5px 10px;border-radius:999px;color:#247451;background:#eaf8f1;font-style:normal;font-size:12px}.table-empty{min-height:300px;display:grid;place-content:center;justify-items:center;gap:12px;color:#a0aab7}.table-empty strong{color:#748094;font-size:14px}.batch-action-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 16px;background:#ebf3ff;border:1px solid #bfdbfe;border-radius:10px;margin-top:12px}.batch-info{display:flex;align-items:center;gap:8px;color:#1e40af;font-size:14px}.batch-buttons{display:flex;align-items:center;gap:8px}.batch-buttons button{height:34px;display:inline-flex;align-items:center;gap:6px;padding:0 12px;border:1px solid #93c5fd;border-radius:7px;color:#1d4ed8;background:#fff;font-size:13px;font-weight:500}.batch-buttons button:hover{background:#dbeafe}.batch-buttons button.danger{border-color:#fca5a5;color:#dc2626}.batch-buttons button.danger:hover{background:#fee2e2}.batch-buttons button.clear{border-color:transparent;color:#6b7280;background:transparent}.batch-buttons button.clear:hover{background:#0000000d}.upload-folder-button{height:38px;display:flex;align-items:center;gap:7px;padding:0 14px;border:1px solid #dfe5ee;border-radius:8px;color:#47566c;background:#fff}.upload-folder-button:hover{border-color:#a9c7f8;color:var(--blue);background:#f4f8ff}.drive-main{position:relative}.dropzone-overlay{position:absolute;inset:12px;z-index:50;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;border:2px dashed var(--blue);border-radius:16px;background:#f0f6fff0;color:var(--blue-dark);font-weight:600;pointer-events:none}.drive-modal-backdrop{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;background:#0f172a73;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);padding:20px}.drive-modal{width:min(520px,100%);max-height:80vh;display:flex;flex-direction:column;background:#fff;border-radius:16px;box-shadow:0 25px 50px -12px #00000040;overflow:hidden}.drive-modal-header{display:flex;align-items:center;justify-content:space-between;padding:18px 24px 14px;border-bottom:1px solid var(--border)}.drive-modal-header h3{margin:0;font-size:17px}.drive-modal-header p{margin:4px 0 0;color:var(--muted);font-size:13px}.close-btn{width:32px;height:32px;display:grid;place-items:center;border:0;border-radius:50%;color:#64748b;background:transparent}.close-btn:hover{background:#f1f5f9;color:#0f172a}.drive-modal-body{flex:1;padding:16px 20px;overflow-y:auto;display:flex;flex-direction:column;gap:12px}.picker-toolbar{display:flex;justify-content:flex-end}.new-folder-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid #dce4ef;border-radius:7px;background:#f8fafc;color:#334155;font-size:12px}.new-folder-btn:hover{border-color:var(--blue);color:var(--blue)}.picker-create-form{display:flex;align-items:center;gap:8px;padding:8px 12px;background:#f1f5f9;border-radius:8px}.picker-create-form input{flex:1;height:32px;padding:0 10px;border:1px solid #cbd5e1;border-radius:6px;outline:none;font-size:13px}.picker-create-form .confirm-btn{height:32px;padding:0 14px;border:0;border-radius:6px;background:var(--blue);color:#fff;font-size:12px;font-weight:600}.picker-create-form .cancel-btn{height:32px;padding:0 10px;border:1px solid #cbd5e1;border-radius:6px;background:#fff;color:#64748b;font-size:12px}.picker-tree-container{border:1px solid var(--border);border-radius:10px;padding:8px;max-height:340px;overflow-y:auto}.picker-tree-item{height:36px;display:flex;align-items:center;gap:8px;border-radius:7px;cursor:pointer;color:#334155;font-size:13px}.picker-tree-item:hover:not(.disabled){background:#f1f5f9}.picker-tree-item.selected{background:#e0edff!important;color:var(--blue-dark);font-weight:600}.picker-tree-item.disabled{opacity:.45;cursor:not-allowed}.picker-tree-item .picker-icon{color:#e3a11b}.picker-tree-item.root-item .picker-icon{color:var(--blue)}.picker-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.picker-hint{color:#94a3b8;font-size:11px;margin-right:8px}.drive-modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:14px 24px;border-top:1px solid var(--border);background:#f8fafc}.secondary-button{height:38px;padding:0 16px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;color:#475569;font-weight:600;font-size:13px}.secondary-button:hover{background:#f1f5f9}.transfer-drawer{position:fixed;bottom:24px;right:28px;width:320px;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:0 12px 30px #0000001f;z-index:500;overflow:hidden}.transfer-header{height:42px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;background:#1e293b;color:#f8fafc;font-size:13px;font-weight:600;cursor:pointer}.transfer-header-actions button{width:24px;height:24px;display:grid;place-items:center;border:0;border-radius:4px;color:#94a3b8;background:transparent}.transfer-header-actions button:hover{color:#fff;background:#ffffff26}.transfer-list{max-height:220px;overflow-y:auto;padding:6px 0}.transfer-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 14px;font-size:12px;border-bottom:1px solid #f1f5f9}.transfer-item:last-child{border-bottom:0}.transfer-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#334155}.transfer-status.uploading{color:var(--blue)}.transfer-status.done{color:#16a34a}.transfer-status.error{color:#dc2626}@media(max-width:1050px){.drive-topbar{grid-template-columns:220px minmax(240px,1fr) auto;gap:14px;padding:0 18px}.drive-account strong{display:none}.table-header,.table-row{grid-template-columns:32px minmax(220px,2fr) 80px 85px 140px minmax(170px,1fr);gap:10px}.drive-file-table{overflow-x:auto}.table-header,.table-row{min-width:900px}}@media(max-width:720px){.drive-topbar{height:auto;min-height:64px;grid-template-columns:1fr auto;padding:12px 14px}.drive-logo strong{font-size:16px}.global-search{grid-column:1 / -1;grid-row:2;order:3}.role-badge{display:none}.drive-body{display:block}.drive-sidebar{position:static;width:100%;height:auto;padding:10px 12px;border-right:0;border-bottom:1px solid var(--border)}.drive-sidebar nav,.sidebar-title,.drive-folder-tree{display:none}.sidebar-capacity{padding:5px 4px;border:0}.sidebar-capacity>div:first-child{margin-bottom:3px}.drive-main{padding:18px 12px 28px}.drive-heading h1{font-size:21px}.drive-toolbar{flex-wrap:wrap}.visibility-picker{margin-left:0}.drive-login-card{padding:34px 24px 28px;border-radius:18px}}