:root{color-scheme:light;--bg:#f7f8fb;--panel:#ffffff;--ink:#111827;--muted:#657085;--line:#e4e8f0;--brand:#2563eb;--brand-2:#10b981;--accent:#f59e0b;--danger:#ef4444;--shadow:0 20px 50px rgba(20,31,54,0.10)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.page-shell{min-height:100vh}.container{width:min(1360px,calc(100% - 32px));margin:0 auto}.nav{display:flex;justify-content:space-between;padding:22px 0}.brand,.nav{align-items:center}.brand{display:inline-flex;gap:10px;font-weight:800}.brand-mark{display:grid;width:36px;height:36px;place-items:center;border-radius:8px;background:var(--ink);color:#fff}.nav-actions{display:flex;align-items:center;gap:10px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;border:1px solid var(--line);border-radius:8px;padding:0 16px;background:#fff;color:var(--ink);cursor:pointer;font-weight:700}.button.primary{border-color:var(--brand);background:var(--brand);color:#fff}.button.dark{border-color:var(--ink);background:var(--ink);color:#fff}.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(330px,.85fr);grid-gap:42px;gap:42px;align-items:center;padding:56px 0 40px}.hero-copy h1{max-width:720px;margin:0;font-size:clamp(40px,6vw,72px);line-height:.98;letter-spacing:0}.hero-copy p{max-width:640px;margin:22px 0;color:var(--muted);font-size:19px;line-height:1.65}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.product-shot{border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:var(--shadow);overflow:hidden}.shot-top{display:flex;align-items:center;gap:7px;border-bottom:1px solid var(--line);padding:14px}.dot{width:10px;height:10px;border-radius:999px;background:var(--brand)}.dot:nth-child(2){background:var(--brand-2)}.dot:nth-child(3){background:var(--accent)}.shot-body{padding:20px}.study-card{border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:14px}.study-card strong{display:block;margin-bottom:8px}.study-card p{margin:0;color:var(--muted);line-height:1.5}.feature-grid,.pricing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:16px;gap:16px;padding:34px 0}.auth-panel,.dashboard-panel,.feature,.price{border:1px solid var(--line);border-radius:8px;background:var(--panel);padding:20px}.dashboard-panel svg,.feature svg{color:var(--brand)}.feature h3,.price h3{margin:14px 0 8px}.feature p,.price p,.small-muted{color:var(--muted);line-height:1.55}.section-title{margin:48px 0 8px;font-size:34px}.notice-banner{margin-top:18px;border:1px solid #bfdbfe;border-radius:8px;background:#eff6ff;color:#1e3a8a;padding:14px 16px;font-weight:800;line-height:1.5}.site-footer{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin:46px 0 24px;border-top:1px solid var(--line);padding-top:22px;color:var(--muted)}.site-footer p{margin:8px 0 0}.site-footer nav{display:flex;flex-wrap:wrap;gap:14px;font-weight:800}.site-footer a:hover{color:var(--brand)}.legal-page{padding:24px 0 40px}.legal-panel{max-width:860px;margin-top:34px;border:1px solid var(--line);border-radius:8px;background:var(--panel);padding:28px}.legal-panel h1{margin:0 0 18px;font-size:clamp(34px,5vw,54px);letter-spacing:0}.legal-panel h2{margin:26px 0 8px}.legal-panel p{color:var(--muted);line-height:1.7}.legal-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:14px;gap:14px}.legal-card{display:grid;grid-gap:8px;gap:8px;border:1px solid var(--line);border-radius:8px;background:#fbfcff;padding:16px}.legal-card span{color:var(--muted);line-height:1.5}.auth-layout{display:grid;min-height:100vh;place-items:center;padding:24px}.auth-panel{width:min(440px,100%)}.field{display:grid;grid-gap:8px;gap:8px;margin:14px 0}.field label{font-weight:700}.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:12px;background:#fff}.field textarea{min-height:160px;resize:vertical}.dashboard{display:grid;grid-template-columns:420px minmax(0,1fr);grid-column-gap:18px;column-gap:18px;grid-row-gap:4px;row-gap:4px;padding:22px 0 40px;align-items:start}.sidebar{position:-webkit-sticky;position:sticky;top:18px;max-height:calc(100vh - 36px);overflow:auto;align-self:start;grid-column:1;grid-row:1/span 2;border:1px solid var(--line);border-radius:8px;background:#fff;padding:16px}.side-link{display:flex;align-items:center;gap:10px;width:100%;border-radius:8px;border:0;padding:11px 12px;background:transparent;color:var(--muted);cursor:pointer;font-weight:700;text-align:left}.side-link.active{background:#eef4ff;color:var(--brand)}.fixed-side-tools{display:grid;grid-gap:12px;gap:12px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}.side-tool-panel{border:1px solid var(--line);border-radius:8px;background:#fbfcff;padding:16px}.side-tool-panel h2{margin:0 0 10px;font-size:18px}.dashboard-main,.panel-grid{display:grid;grid-gap:18px;gap:18px}.side-tools{display:grid;grid-gap:12px;gap:12px;grid-column:1;grid-row:2}.compact-panel h2{margin-top:0;font-size:18px}.main-workspace{position:relative;grid-column:2;grid-row:1/span 2}.credit-pill{position:absolute;top:18px;right:18px;border:1px solid var(--line);border-radius:999px;background:#f8fbff;color:var(--brand);padding:7px 12px;font-size:14px;font-weight:800}.upload-box{display:grid;place-items:center;min-height:220px;border:1px dashed #aeb8c8;border-radius:8px;background:#fbfcff;text-align:center;padding:22px;cursor:pointer;transition:border-color .16s ease,background .16s ease,transform .16s ease}.upload-box.is-dragging,.upload-box:hover{border-color:var(--brand);background:#eef4ff;transform:translateY(-1px)}.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.chip{border:1px solid var(--line);border-radius:999px;padding:8px 12px;color:var(--muted);background:#fff;font-size:14px}.abc-icon{display:inline-grid;place-items:center;width:24px;height:18px;border:1px solid;border-radius:4px;font-size:8px;font-weight:900;line-height:1}.premium-badge{display:inline-flex;align-items:center;justify-content:center;min-height:20px;border:1px solid #f1c36b;border-radius:999px;background:#fff8e7;color:#925f06;padding:0 8px;font-size:11px;font-weight:900}.premium-badge.plus{border-color:#9fd8c0;background:#ecfdf5;color:#047857}.document-status{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-top:12px;border:1px solid var(--line);border-radius:8px;background:#f8fbff;padding:12px 14px}.document-status span{color:var(--muted);font-size:14px}.sync-status{display:inline-flex;align-items:center;min-height:26px;margin:0 0 12px;border:1px solid var(--line);border-radius:999px;background:#f8fbff;color:var(--muted);padding:0 10px;font-size:13px;font-weight:800}.paste-panel{margin-top:12px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:12px 14px}.paste-panel summary{cursor:pointer;font-weight:800}.paste-panel textarea{width:100%;min-height:130px;margin-top:12px;border:1px solid var(--line);border-radius:8px;padding:12px;resize:vertical}.select-field{display:grid;grid-gap:8px;gap:8px;font-weight:800}.select-field select{width:100%;min-height:42px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:0 12px}.inline-result,.result-stage{margin-top:18px;border:1px solid var(--line);border-radius:8px;background:#fbfcff;padding:18px}.result-stage{min-height:180px;border-style:dashed;background:#fbfcff}.result-stage.has-content{border-style:solid;background:#fff}.inline-result h2,.result-stage h2{margin:0}.inline-result pre,.result-stage pre{margin:16px 0 0}.inline-result pre,.result-pre,.result-stage pre{white-space:pre-wrap;line-height:1.6;font-family:inherit}.result-pre{margin:0}.stats-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:12px;gap:12px;margin:18px 0}.empty-state,.history-item,.plan-box,.stat-box{border:1px solid 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strong{font-size:17px}.tool-card>span:last-child{color:var(--muted);line-height:1.45}.segmented-control{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:6px;gap:6px;max-width:420px;padding:4px;border:1px solid var(--line);border-radius:8px;background:#f4f7fb}.segmented-control.language-control{grid-template-columns:repeat(4,minmax(0,1fr));max-width:620px}.segmented-control button{min-height:38px;border:0;border-radius:6px;background:transparent;color:var(--muted);cursor:pointer;font-weight:800}.segmented-control button.active{background:#fff;color:var(--brand);box-shadow:0 6px 18px rgba(20,31,54,.08)}@media (max-width:820px){.dashboard,.feature-grid,.hero,.legal-grid,.panel-grid,.premium-grid,.pricing-grid,.subscription-grid{grid-template-columns:1fr}.hero{padding-top:28px}.nav{gap:16px;align-items:flex-start}.nav-actions{flex-wrap:wrap;justify-content:flex-end}.site-footer{display:grid}.sidebar{position:static}.main-workspace,.side-tools,.sidebar{grid-column:auto;grid-row:auto}}