:root{--bg:#f6f8fc;--surface:#fff;--surface-soft:#f8faff;--border:#e5eaf2;--border-strong:#d6deea;--text:#12233f;--muted:#718096;--accent:#1769f5;--accent-hover:#0d56d8;--accent-soft:#eaf2ff;--danger:#df3545;--focus:#0b7bdc;--radius:12px;--shadow:0 12px 32px #192d501a}*{box-sizing:border-box}html,body,#root{min-height:100%}body{color:var(--text);background:var(--bg);margin:0;font:14px/1.5 Inter,PingFang SC,Microsoft YaHei,system-ui,sans-serif}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.app-loading{min-height:100vh;color:var(--muted);place-items:center;display:grid}.btn{min-height:38px;color:var(--text);background:0 0;border:1px solid #0000;border-radius:9px;justify-content:center;align-items:center;gap:7px;padding:8px 14px;font-weight:600;transition:all .15s;display:inline-flex}.btn svg{width:18px;height:18px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 14px #1769f52e}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary,.btn-ghost{border-color:var(--border-strong);background:#fff}.btn-secondary:hover:not(:disabled),.btn-ghost:hover:not(:disabled){background:var(--surface-soft);border-color:#aebbd0}.btn-danger{background:var(--danger);color:#fff}.btn-small{min-height:30px;padding:4px 9px;font-size:12px}.icon-button{color:#64748b;background:0 0;border:0;border-radius:9px;place-items:center;width:36px;height:36px;padding:0;display:inline-grid}.icon-button:hover{color:var(--text);background:#edf2f8}.icon-button svg{width:19px;height:19px}.login-shell{background:radial-gradient(circle at 25% 0%, #e7f0ff, transparent 36%), var(--bg);place-items:center;min-height:100vh;padding:24px;display:grid}.login-card{background:var(--surface);border:1px solid var(--border);width:100%;max-width:400px;box-shadow:var(--shadow);border-radius:18px;flex-direction:column;gap:10px;padding:30px;display:flex}.login-card h1{margin:0;font-size:25px}.login-sub{color:var(--muted);margin:0 0 8px}.login-card label{margin-top:8px;font-size:13px;font-weight:700}.login-card input,.dialog input{border:1px solid var(--border-strong);width:100%;color:var(--text);background:#fff;border-radius:9px;padding:11px 12px}.login-card button{margin-top:12px}.alert{border-radius:9px;margin:6px 0;padding:10px 12px;font-size:13px}.alert-error{color:#b42334;background:#fff1f2;border:1px solid #fecdd3}.app-shell{min-height:100vh}.topbar{z-index:30;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffffff5;grid-template-columns:215px minmax(240px,540px) 1fr;align-items:center;gap:28px;height:68px;padding:0 24px;display:grid;position:sticky;top:0}.topbar-brand{letter-spacing:-.01em;align-items:center;gap:10px;font-size:17px;font-weight:800;display:flex}.brand-mark{color:#fff;background:linear-gradient(145deg,#327df7,#1455df);border-radius:10px;place-items:center;width:34px;height:34px;display:grid;box-shadow:0 6px 14px #1769f53b}.brand-mark svg{width:22px;height:22px}.global-search{color:#8491a5;background:#f2f5fa;border:1px solid #0000;border-radius:10px;align-items:center;gap:9px;height:40px;padding:0 13px;display:flex}.global-search:focus-within{background:#fff;border-color:#9fc0fb;box-shadow:0 0 0 3px #e8f0ff}.global-search svg{flex:none;width:18px;height:18px}.global-search input{width:100%;color:var(--text);background:0 0;border:0;outline:0}.global-search 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svg{width:14px;height:14px}.queue-action-danger{color:var(--danger);background:#ffedf0}.dialog-backdrop{z-index:60;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#0d1c337a;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.dialog{background:#fff;border-radius:16px;width:100%;max-width:420px;padding:24px;box-shadow:0 24px 60px #05142d40}.dialog h2{margin:0 0 8px;font-size:19px}.dialog p{color:var(--muted);margin:0 0 15px}.dialog label{margin:9px 0 5px;font-size:12px;font-weight:700;display:block}.dialog-actions{justify-content:flex-end;gap:8px;margin-top:18px;display:flex}.toast{z-index:70;border:1px solid var(--border);max-width:390px;box-shadow:var(--shadow);background:#fff;border-radius:10px;padding:12px 15px;position:fixed;bottom:20px;right:20px}.upload-panel~.toast{bottom:94px}.toast:has(+.upload-panel){bottom:94px}.toast-error{color:#b42334;background:#fff4f5;border-color:#fecdd3}@media (width<=980px){.topbar{grid-template-columns:190px 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h1{font-size:22px}.content-toolbar{flex-direction:column;align-items:flex-start;margin-bottom:18px}.toolbar-left,.toolbar-actions{width:100%}.toolbar-actions{justify-content:flex-start}.toolbar-actions .btn{flex:1}.sort-control{margin-left:auto}.view-switch,.desktop-only{display:none}.mobile-only{display:block}.upload-panel{width:calc(100vw - 20px);bottom:10px;right:10px}}@media (width>=761px){.desktop-only{display:block}.mobile-only{display:none}}@media (width<=430px){.topbar-brand>span:last-child{display:none}.topbar{grid-template-columns:auto 1fr}.topbar-actions{justify-self:end}.folder-grid{grid-template-columns:1fr}.recent-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.toolbar-actions .sort-control{order:3;margin-left:0}}