:root{--bg:#f8f9ff;--panel:#fff;--ink:#111a3a;--muted:#68708b;--line:#e7e9f4;--violet:#6048f5;--violet2:#7b67ff;--shadow:0 18px 45px rgba(25,30,80,.08);--radius:18px;--sidebar:224px;--rail:270px}
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body.dark{--bg:#0e1220;--panel:#151a2d;--ink:#f5f7ff;--muted:#9aa3c3;--line:#2a3048;background:#0e1220}.dark .sidebar,.dark .topbar,.dark .tool-card,.dark .account-card,.dark .safe-card,.dark .status-card,.dark .chip,.dark .hero,.dark .modal-card,.dark .ghost-btn,.dark .icon-btn,.dark .top-actions select{background:#151a2d;color:var(--ink)}.dark .nav-item{color:#cbd2ed}.dark .nav-item:hover,.dark .nav-item.active{background:#222943}.dark .search,.dark .field input,.dark .field select,.dark .options input,.dark .options select,.dark .options textarea,.dark .dropzone{background:#111626;color:var(--ink)}.dark .use-btn{background:#1c2238;color:#fff}.dark .upgrade-card{background:#151a2d}
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@media(max-width:1180px){:root{--rail:245px}.tools-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.hero h1{font-size:34px}}
@media(max-width:960px){:root{--sidebar:74px}.brand span:not(.brand-mark),.nav-item b,.nav-title,.nav-item em,.upgrade-card,.sidebar footer{display:none}.sidebar{padding:18px 10px}.brand{padding:0 6px 18px}.nav-item{justify-content:center;padding:0}.content-layout{grid-template-columns:1fr}.account-rail{display:grid;grid-template-columns:1fr 1fr}.account-card{grid-row:span 2}.tools-grid{grid-template-columns:repeat(3,minmax(0,1fr))}html[dir="rtl"] .main{margin-right:var(--sidebar)}}
@media(max-width:700px){.app-shell{display:block}.sidebar{display:none}.main{grid-column:auto}.topbar{height:auto;padding:12px;gap:9px;flex-wrap:wrap}.search{order:2;width:100%}.top-actions{width:100%;justify-content:flex-end}.content-layout{padding:12px;display:block}.hero{grid-template-columns:1fr;padding:24px 19px}.hero-art{display:none}.hero h1{font-size:31px}.trust{gap:10px}.tools-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.account-rail{display:grid;grid-template-columns:1fr;margin-top:15px}.account-card{grid-row:auto}.ghost-btn{display:none}html[dir="rtl"] .main{margin-right:0}}
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.account-summary{margin:18px 0 12px;padding:14px;border:1px solid var(--line);border-radius:12px;background:#fafbff}.account-summary p{font-size:10px;color:#747c96;margin:6px 0 0}.docs-panel{border:1px solid var(--line);border-radius:14px;padding:12px;margin-bottom:12px;background:linear-gradient(180deg,#fff,#fbfbff)}.docs-title{display:flex;align-items:center;justify-content:space-between;gap:8px}.docs-title h3{margin:0;font-size:13px}.docs-title small{display:block;color:#7c849d;font-size:9px;margin-top:3px}.docs-upload{cursor:pointer;background:#5d45ef;color:white;border-radius:8px;padding:7px 9px;font-size:9px;font-weight:800;white-space:nowrap}.usage-track{height:7px;background:#eceef6;border-radius:999px;overflow:hidden;margin:11px 0 5px}.usage-track i{display:block;height:100%;width:0;background:linear-gradient(90deg,#6850f5,#8f76ff);border-radius:inherit;transition:.25s}.usage-text{font-size:9px;color:#7b8299;margin-bottom:9px}.docs-list{display:grid;gap:6px;max-height:220px;overflow:auto}.docs-empty{font-size:10px;color:#8a91a8;text-align:center;padding:15px 6px}.saved-file{display:flex;align-items:center;justify-content:space-between;gap:8px;border:1px solid #eceef5;border-radius:9px;padding:8px;background:#fff}.saved-file>div{min-width:0}.saved-file b{display:block;font-size:9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:165px}.saved-file small{font-size:8px;color:#9298aa}.saved-file span{display:flex;gap:5px}.saved-file a,.saved-file button{width:25px;height:25px;border-radius:7px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;text-decoration:none;color:#454d67;font-weight:800;cursor:pointer}.upgrade-link{width:100%;border:0;background:none;color:#5f48ee;font-size:9px;font-weight:800;margin-top:8px;cursor:pointer}