:root{color-scheme:light;--bg:#f6f8fb;--surface:#fff;--surface-2:#f0f4f8;--text:#172033;--muted:#68758a;--border:#dfe5ed;--accent:#1769e0;--accent-strong:#0e55bd;--accent-soft:#e8f1ff;--danger:#c7394a;--shadow:0 16px 40px rgba(25,44,75,.12);--radius:12px;--sidebar:244px;--ease:180ms cubic-bezier(.2,.8,.2,1);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px}
:root[data-theme=dark]{color-scheme:dark;--bg:#0d1420;--surface:#151e2c;--surface-2:#1c2738;--text:#ecf2fb;--muted:#9facbd;--border:#2b394d;--accent:#5a9cff;--accent-strong:#77adff;--accent-soft:#17345d;--danger:#ff7181;--shadow:0 18px 48px rgba(0,0,0,.3)}
@media(prefers-color-scheme:dark){:root[data-theme=system]{color-scheme:dark;--bg:#0d1420;--surface:#151e2c;--surface-2:#1c2738;--text:#ecf2fb;--muted:#9facbd;--border:#2b394d;--accent:#5a9cff;--accent-strong:#77adff;--accent-soft:#17345d;--danger:#ff7181;--shadow:0 18px 48px rgba(0,0,0,.3)}}
*{box-sizing:border-box}html,body{min-height:100%;margin:0;background:var(--bg);color:var(--text)}button,input{font:inherit;color:inherit}button{cursor:pointer}.skip-link{position:fixed;left:16px;top:-60px;z-index:100;padding:10px 14px;background:var(--text);color:var(--surface);border-radius:8px}.skip-link:focus{top:12px}.svg-sprite{position:absolute;width:0;height:0;overflow:hidden}.app-shell{min-height:100vh;display:grid;grid-template-columns:var(--sidebar) minmax(0,1fr)}.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);padding:24px 18px;display:flex;flex-direction:column;background:var(--surface);border-right:1px solid var(--border);z-index:30}.brand{display:flex;align-items:center;gap:11px;padding:0 8px 26px;color:var(--text);font-weight:750;text-decoration:none;letter-spacing:-.02em}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--accent);color:#fff;font-size:18px}.primary-action,.secondary-action{border:0;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:14px;font-weight:700;transition:background var(--ease),transform var(--ease)}.primary-action{width:100%;padding:12px 16px;background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(23,105,224,.22)}.primary-action:hover{background:var(--accent-strong);transform:translateY(-1px)}.primary-action svg,.secondary-action svg,.nav-item svg,.icon-button svg,.search svg,.sort-button svg,.upload-row>svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.sidebar nav{display:grid;gap:4px;margin-top:24px}.nav-item{width:100%;border:0;background:transparent;border-radius:9px;padding:10px 11px;display:flex;align-items:center;gap:11px;color:var(--muted);font-size:14px;font-weight:600;text-align:left}.nav-item:hover,.nav-item.is-active{color:var(--accent);background:var(--accent-soft)}.storage-summary{margin-top:auto;padding:15px 10px;color:var(--muted);font-size:12px}.storage-summary>span,.storage-summary>strong{display:block}.storage-summary>strong{margin-top:5px;color:var(--text);font-size:13px}.meter{height:4px;margin-top:11px;background:var(--surface-2);border-radius:5px;overflow:hidden}.meter i{display:block;width:0;height:100%;background:var(--accent)}.workspace{grid-column:2;min-width:0;padding:0 32px 48px}.topbar{height:78px;display:flex;align-items:center;justify-content:flex-end;gap:12px}.search{margin-right:auto;width:min(480px,52vw);height:42px;padding:0 14px;display:flex;align-items:center;gap:9px;border:1px solid var(--border);border-radius:10px;background:var(--surface)}.search svg{width:18px;color:var(--muted)}.search input{min-width:0;width:100%;border:0;outline:0;background:transparent;font-size:14px}.icon-button,.profile-button{width:40px;height:40px;border:1px solid var(--border);border-radius:10px;display:grid;place-items:center;background:var(--surface)}.icon-button:hover,.icon-button.is-active{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.profile-button{border:0;border-radius:50%;background:#263a57;color:#fff;font-weight:700}.content-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:10px 0 22px}.breadcrumbs button{border:0;background:transparent;padding:0;color:var(--text);font-size:24px;font-weight:750;letter-spacing:-.035em}.content-actions{display:flex;align-items:center;gap:10px}.secondary-action{padding:10px 14px;border:1px solid var(--border);background:var(--surface)}.secondary-action:hover{border-color:var(--accent);color:var(--accent)}.view-switch{display:flex;padding:3px;border:1px solid var(--border);border-radius:11px;background:var(--surface)}.view-switch .icon-button{width:34px;height:32px;border:0;background:transparent}.drop-zone{min-height:118px;padding:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1.5px dashed #b8c5d6;border-radius:var(--radius);background:color-mix(in srgb,var(--accent-soft) 38%,var(--surface));color:var(--muted);outline:0;transition:border var(--ease),background var(--ease),transform var(--ease)}.drop-zone>svg{width:30px;height:30px;margin-bottom:7px;fill:none;stroke:var(--accent);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.drop-zone strong{color:var(--text);font-size:14px}.drop-zone span{margin-top:3px;font-size:12px}.drop-zone:hover,.drop-zone:focus-visible,.drop-zone.is-dragging{border-color:var(--accent);background:var(--accent-soft);transform:translateY(-1px)}.file-region{padding-top:27px}.file-region-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;color:var(--muted);font-size:13px}.sort-button{border:0;background:transparent;display:flex;align-items:center;gap:5px;color:var(--muted);font-size:13px}.sort-button svg{width:15px}.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(164px,1fr));gap:13px}.file-tile{min-width:0;padding:12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);text-align:left;transition:border var(--ease),transform var(--ease),box-shadow var(--ease)}.file-tile:hover,.file-tile:focus-visible{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 25px rgba(31,56,91,.09);outline:0}.file-art{height:106px;display:grid;place-items:center;border-radius:8px;background:var(--surface-2)}.file-art svg{width:48px;height:48px;fill:none;stroke:var(--accent);stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}.file-name,.file-meta{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-name{margin-top:11px;font-size:13px;font-weight:700}.file-meta{margin-top:3px;color:var(--muted);font-size:11px}.empty-state{grid-column:1/-1;padding:60px 20px;text-align:center;color:var(--muted)}.empty-state svg{width:50px;height:50px;fill:none;stroke:var(--border);stroke-width:1.2}.empty-state h2{margin:14px 0 5px;color:var(--text);font-size:17px}.empty-state p{margin:0;font-size:13px}.upload-panel{position:fixed;right:22px;bottom:22px;z-index:50;width:min(430px,calc(100vw - 32px));max-height:55vh;overflow:auto;background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow)}.upload-panel>header{position:sticky;top:0;z-index:1;height:52px;padding:0 12px 0 17px;display:flex;align-items:center;justify-content:space-between;background:var(--surface);border-bottom:1px solid var(--border);font-size:14px}.upload-row{padding:12px 10px 12px 15px;display:grid;grid-template-columns:26px minmax(0,1fr) 34px 34px;align-items:center;gap:9px;border-bottom:1px solid var(--border)}.upload-row:last-child{border:0}.upload-row>svg{color:var(--accent)}.upload-copy{min-width:0}.upload-copy strong,.upload-copy span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.upload-copy strong{font-size:12px}.upload-copy span{margin-top:5px;color:var(--muted);font-size:10px}.upload-copy b{font-weight:500}.upload-track{height:3px;margin-top:7px;overflow:hidden;border-radius:4px;background:var(--surface-2)}.upload-track i{display:block;height:100%;background:var(--accent)}.upload-row .icon-button{width:30px;height:30px;border:0}.upload-row .icon-button svg{width:16px;height:16px}.upload-menu{position:fixed;z-index:60;width:160px;padding:6px;border:1px solid var(--border);border-radius:10px;background:var(--surface);box-shadow:var(--shadow)}.upload-menu button{width:100%;padding:9px 10px;border:0;border-radius:7px;background:transparent;text-align:left;font-size:13px}.upload-menu button:hover{background:var(--accent-soft);color:var(--accent)}.mobile-nav-trigger{display:none;position:fixed;left:14px;top:18px;z-index:45}.sidebar-scrim{position:fixed;inset:0;z-index:25;background:rgba(4,10,20,.5)}
:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 45%,transparent);outline-offset:2px}@media(max-width:768px){.app-shell{display:block}.sidebar{transform:translateX(-102%);transition:transform var(--ease);box-shadow:var(--shadow)}.nav-open .sidebar{transform:translateX(0)}.mobile-nav-trigger{display:grid}.workspace{padding:0 16px 32px}.topbar{padding-left:50px}.search{width:auto;flex:1}.content-header{padding-top:2px}.content-actions .secondary-action{font-size:0;padding:9px}.content-actions .secondary-action svg{width:20px}.drop-zone{min-height:104px}.file-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.file-art{height:90px}.upload-panel{right:16px;bottom:16px}.breadcrumbs button{font-size:21px}}@media(max-width:420px){.workspace{padding-inline:12px}.topbar{gap:7px}.search{padding-inline:10px}.profile-button{display:none}.file-grid{grid-template-columns:1fr}.file-art{height:88px}.drop-zone{padding:18px}.view-switch{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}