:root{--bg: #ffffff;--surface: #f8fafd;--surface-2: #f1f3f4;--hover: #e8f0fe;--selected: #d2e3fc;--border: #e0e3e7;--fg: #202124;--fg-muted: #5f6368;--fg-subtle: #80868b;--accent: #1a73e8;--accent-h: #1666c7;--danger: #d93025;--warning: #f9ab00;--shadow-sm: 0 1px 2px rgba(60, 64, 67, .1), 0 1px 3px rgba(60, 64, 67, .06);--shadow-md: 0 1px 3px rgba(60, 64, 67, .15), 0 4px 8px rgba(60, 64, 67, .08);--shadow-lg: 0 4px 16px rgba(60, 64, 67, .2);--radius: 8px;--radius-lg: 12px;font-family:Google Sans Text,Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;color:var(--fg);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input,select{font:inherit;color:var(--fg)}button{cursor:pointer;border:1px solid transparent;background:transparent;color:var(--fg);padding:6px 14px;border-radius:999px;transition:background .12s,border-color .12s,box-shadow .12s;font-weight:500;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}button:hover{background:var(--hover)}button:active{background:var(--selected)}button[disabled]{opacity:.55;cursor:not-allowed}button.primary{background:var(--accent);color:#fff}button.primary:hover,button.primary:active{background:var(--accent-h)}button.outlined{border-color:var(--border);background:var(--bg)}button.outlined:hover{background:var(--surface)}button.danger{color:var(--danger)}button.danger:hover{background:#d9302514}button.icon{width:36px;height:36px;padding:0;border-radius:50%;justify-content:center}button.icon svg{width:20px;height:20px}input[type=text],input[type=email],input[type=password],input[type=search]{width:100%;background:var(--surface-2);border:1px solid transparent;border-radius:999px;padding:10px 16px;outline:none;transition:background .12s,border-color .12s,box-shadow .12s}input:hover{background:#eceff3}input:focus{background:var(--bg);border-color:transparent;box-shadow:0 1px 1px #4145494d,0 1px 3px 1px #41454926}.icon-svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.appbar{position:sticky;top:0;z-index:10;display:grid;grid-template-columns:280px 1fr auto;align-items:center;gap:16px;padding:8px 16px;background:var(--bg);border-bottom:1px solid var(--border)}.appbar .brand{display:flex;align-items:center;gap:12px;padding-left:4px;color:var(--fg);font-size:22px;font-weight:400;letter-spacing:-.2px}.appbar .brand .brand-mark{width:28px;height:28px;border-radius:6px;background:linear-gradient(135deg,#4285f4,#1a73e8 70%);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600}.appbar .search-wrap{max-width:720px;width:100%;margin:0 auto;position:relative}.appbar .search-wrap input{background:var(--surface-2);padding-left:44px;border-radius:999px}.appbar .search-wrap:before{content:"";position:absolute;left:16px;top:50%;width:18px;height:18px;transform:translateY(-50%);background:no-repeat center / contain url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235f6368' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><circle cx='11' cy='11' r='7'/><path d='m20 20-3.5-3.5'/></svg>");pointer-events:none}.appbar .right{display:flex;align-items:center;gap:8px}.avatar{width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:600;font-size:14px;cursor:pointer}.avatar.tiny{width:28px;height:28px;font-size:12px}.layout{display:grid;grid-template-columns:256px 1fr;min-height:calc(100vh - 56px)}.sidebar{padding:12px 8px;border-right:1px solid var(--border);background:var(--bg)}.main{padding:16px 24px 56px;background:var(--bg)}.new-button-wrap{position:relative;margin:0 8px 12px}.new-button{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;background:#fff;color:var(--fg);border:1px solid #dadce0;border-radius:14px;font-weight:500;font-size:14px;box-shadow:0 1px 2px #3c40434d,0 1px 3px #3c404326;cursor:pointer;transition:box-shadow .16s,background .16s}.new-button:hover{background:var(--hover);box-shadow:0 1px 3px #3c40434d,0 4px 8px #3c404326}.new-button .plus{width:24px;height:24px;border-radius:50%;background:conic-gradient(from 0deg,#1a73e8 0,#1a73e8 25%,#34a853 0,#34a853 50%,#fbbc04 0,#fbbc04 75%,#ea4335 0);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:700}.popover{position:absolute;top:56px;left:8px;background:#fff;border:1px solid var(--border);border-radius:8px;min-width:200px;padding:6px;box-shadow:var(--shadow-md);display:grid;z-index:20}.popover button{justify-content:flex-start;border-radius:6px;padding:8px 12px;width:100%}.popover button:hover{background:var(--surface)}.nav{display:grid;gap:2px;padding:8px 0}.nav-item{display:flex;align-items:center;gap:16px;padding:8px 16px 8px 26px;border-radius:0 999px 999px 0;color:var(--fg);cursor:pointer;transition:background .12s;font-size:14px}.nav-item:hover{background:var(--hover)}.nav-item.active{background:var(--selected);color:var(--accent-h);font-weight:500}.nav-item .icon-svg{color:var(--fg-muted)}.nav-item.active .icon-svg{color:var(--accent-h)}.sidebar .storage{margin-top:16px;padding:12px 16px;border-top:1px solid var(--border);font-size:12px;color:var(--fg-muted)}.sidebar .storage .meter{height:4px;background:var(--surface-2);border-radius:2px;margin:6px 0;overflow:hidden}.sidebar .storage .meter>div{height:100%;background:var(--accent)}.sidebar .storage .storage-extra{margin-top:6px;padding-top:6px;border-top:1px solid var(--border);font-size:11px;color:var(--fg-muted)}.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:2px;margin:4px 0 16px;font-size:22px;font-weight:400;color:var(--fg)}.crumb-link{background:transparent;border:none;color:var(--fg);font:inherit;padding:4px 10px;border-radius:6px;cursor:pointer}.crumb-link:hover{background:var(--surface)}.crumb-here{padding:4px 10px;font-weight:500}.crumb-sep{color:var(--fg-subtle);padding:0 2px}.toolbar{display:flex;align-items:center;gap:8px;margin:0 0 16px}.toolbar .spacer{flex:1}.view-toggle{display:inline-flex;border:1px solid var(--border);border-radius:999px;overflow:hidden}.view-toggle button{border-radius:0;padding:6px 10px}.view-toggle button.active{background:var(--selected);color:var(--accent-h)}.section-head{display:flex;align-items:center;justify-content:space-between;margin:14px 0 6px;color:var(--fg-muted);font-size:12px;font-weight:500;letter-spacing:.4px;text-transform:uppercase}.folder-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px;margin-bottom:18px}.folder-tile{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--surface);border:1px solid transparent;border-radius:var(--radius);cursor:pointer;transition:background .12s,border-color .12s;-webkit-user-select:none;user-select:none}.folder-tile:hover{background:var(--hover);border-color:#c2d3fa}.folder-tile .folder-icon{flex-shrink:0;width:24px;height:24px;color:var(--fg-muted)}.folder-tile .folder-name{flex:1;font-weight:500;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.folder-tile .row-actions{display:flex;gap:2px;opacity:0;transition:opacity .1s}.folder-tile:hover .row-actions{opacity:1}.file-list{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--bg)}.file-row{display:grid;grid-template-columns:32px 2fr 1fr 1fr 100px;align-items:center;gap:12px;padding:10px 16px;border-top:1px solid var(--border);cursor:pointer;transition:background .1s}.file-row:first-child{border-top:none}.file-row.head{background:var(--surface);font-size:12px;font-weight:500;color:var(--fg-muted);text-transform:uppercase;letter-spacing:.4px;cursor:default}.file-row:not(.head):hover{background:var(--hover)}.file-row.expanded{background:var(--selected)}.file-row .name-col{display:flex;align-items:center;gap:12px;min-width:0}.file-row .name-col .name{font-weight:500;color:var(--fg);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-row .col-modified,.file-row .col-size{font-size:13px;color:var(--fg-muted)}.file-row .row-actions{display:flex;justify-content:flex-end;gap:2px;opacity:0;transition:opacity .1s}.file-row:hover .row-actions,.file-row.expanded .row-actions{opacity:1}.ext-badge{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;font-size:10px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;color:#fff;background:var(--fg-muted);flex-shrink:0}.ext-badge.video{background:#1a73e8}.ext-badge.image{background:#34a853}.ext-badge.audio{background:#f9ab00}.ext-badge.archive{background:#9c27b0}.ext-badge.code{background:#e91e63}.ext-badge.doc{background:#5f6368}.preview-row{display:block;background:#0b0e12;padding:16px;border-top:1px solid var(--border)}.preview-row video,.preview-row audio,.preview-row img{display:block;margin:0 auto;max-width:100%;border-radius:4px;background:#000}.preview-row video{max-height:70vh;width:auto}.preview-row img{max-height:70vh}.preview-row audio{width:100%;max-width:600px}.preview-row .preview-meta{text-align:center;font-size:11px;color:#80868b;margin-top:8px;font-family:ui-monospace,Cascadia Code,Consolas,monospace}.drop-overlay{position:fixed;top:16px;right:16px;bottom:16px;left:16px;border:2px dashed var(--accent);border-radius:var(--radius-lg);background:#1a73e80f;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--accent-h);pointer-events:none;z-index:50}.upload-chip{position:fixed;right:24px;bottom:24px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:12px 16px;min-width:320px;box-shadow:var(--shadow-lg);z-index:30}.upload-chip .name{font-weight:500;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.upload-chip .hint{color:var(--fg-muted);font-size:11px;margin-top:2px}.upload-chip .progress{margin-top:8px;height:4px;background:var(--surface-2);border-radius:2px;overflow:hidden}.upload-chip .progress>div{height:100%;background:var(--accent);transition:width 80ms}.empty{text-align:center;padding:64px 0;color:var(--fg-subtle);font-size:14px}.error{background:#fce8e6;border:1px solid #f4c7c3;color:#b3261e;padding:10px 14px;border-radius:var(--radius);margin:12px 0;font-size:13px}.spinner{display:inline-block;width:14px;height:14px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;vertical-align:-2px;margin-right:6px}@keyframes spin{to{transform:rotate(360deg)}}.tabs{display:flex;gap:4px;margin:0 0 16px;border-bottom:1px solid var(--border)}.tab{border-radius:0;border-bottom:2px solid transparent;padding:10px 16px;color:var(--fg-muted);background:transparent}.tab:hover{background:var(--surface)}.tab.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:500}.worker-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}.worker-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px 18px;display:grid;gap:10px;box-shadow:var(--shadow-sm)}.worker-head{display:flex;align-items:center;justify-content:space-between}.worker-name{font-weight:500;font-family:ui-monospace,Cascadia Code,Consolas,monospace}.worker-sub{color:var(--fg-muted);font-size:12px;margin-top:-8px}.worker-foot{font-size:12px;color:var(--fg-muted)}.worker-foot.muted{color:var(--fg-subtle);font-style:italic}.pill{font-size:11px;padding:3px 10px;border-radius:999px;font-weight:500}.pill-on{background:#34a85326;color:#1e8e3e}.pill-off{background:#5f636826;color:var(--fg-muted)}.pill-admin{background:#1a73e826;color:var(--accent-h)}.stat{display:grid;gap:4px}.stat-row{display:flex;justify-content:space-between;font-size:12px}.stat-label{color:var(--fg-muted)}.stat-value{color:var(--fg);font-variant-numeric:tabular-nums}.stat-bar{height:6px;background:var(--surface-2);border-radius:3px;overflow:hidden}.stat-bar>div{height:100%;transition:width .3s ease-out}.stat-bar.blue>div{background:#1a73e8}.stat-bar.green>div{background:#34a853}.stat-bar.orange>div{background:#f9ab00}.field{display:grid;gap:4px}.field>span{font-size:12px;color:var(--fg-muted)}.field input{background:var(--bg);border:1px solid var(--border);border-radius:4px;padding:8px 10px}.field input:focus{border-color:var(--accent);box-shadow:none}.field-row{display:flex;gap:8px;align-items:center;font-size:14px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#20212499;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:#fff;border-radius:var(--radius-lg);padding:24px;min-width:360px;box-shadow:var(--shadow-lg);display:grid;gap:12px}.modal h3{margin:0 0 6px;font-size:18px;font-weight:500;color:var(--fg)}.modal .row{display:flex;gap:8px;justify-content:flex-end}.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px;background:var(--bg)}.login-card{width:100%;max-width:408px;background:#fff;border:1px solid var(--border);border-radius:8px;padding:48px 40px 36px;box-shadow:var(--shadow-sm)}.login-card h1{margin:0 0 8px;font-size:24px;font-weight:400;color:var(--fg)}.login-card .subtitle{margin:0 0 32px;color:var(--fg-muted);font-size:14px}.login-card form{display:grid;gap:16px}.login-card input{background:#fff;border:1px solid var(--border);padding:14px 16px;border-radius:4px}.login-card input:focus{border-color:var(--accent);box-shadow:none}.login-card .row{display:flex;justify-content:flex-end;margin-top:8px}