:root{--bg:#f5f5f7;--surface:#fff;--text:#16171c;--muted:#747782;--line:#e3e3e8;--accent:#7357ed;--accent-soft:#eeeaff;--shadow:0 18px 60px rgba(27,23,60,.08)}:root[data-theme=dark]{--bg:#0b0d12;--surface:#151820;--text:#f5f5f7;--muted:#969aa8;--line:#292d38;--accent-soft:#292147;--shadow:0 18px 60px rgba(0,0,0,.25)}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.topbar{max-width:1180px;margin:0 auto;padding:28px 32px;justify-content:space-between}.brand,.topbar{display:flex;align-items:center}.brand{gap:10px;font-size:20px;font-weight:750;letter-spacing:-.04em}.auth-badge,.brand-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;color:#fff;background:var(--accent);font-weight:800}.ghost-button,.icon-button{color:var(--muted);border:1px solid var(--line);background:transparent;border-radius:9px;padding:8px 12px}.icon-button{border:0;font-size:20px;padding:2px 8px}.landing{min-height:100vh}.hero{max-width:880px;padding:125px 32px;margin:auto;text-align:center}.eyebrow{color:var(--accent);letter-spacing:.15em;font-size:11px;font-weight:800;margin:0 0 24px}h1{font-size:clamp(46px,8vw,88px);letter-spacing:-.075em;line-height:.98;margin:0}h1 em{color:var(--accent);font-style:normal}.hero-copy{color:var(--muted);max-width:470px;margin:28px auto;font-size:17px;line-height:1.6}.hero-actions{display:flex;gap:24px;margin-top:35px}.button,.hero-actions{justify-content:center;align-items:center}.button{display:inline-flex;gap:12px;border:0;border-radius:10px;padding:13px 20px;font-weight:700;transition:transform .15s ease,opacity .15s ease}.button:hover{transform:translateY(-1px)}.button:disabled{opacity:.6;cursor:wait}.primary{color:#fff;background:var(--accent)}.text-link{color:var(--muted);font-size:14px}.feature-grid{max-width:1120px;margin:auto;padding:0 32px 80px;display:grid;grid-template-columns:repeat(3,1fr);grid-gap:18px;gap:18px}.feature-grid article{background:var(--surface);border:1px solid var(--line);border-radius:15px;padding:26px}.feature-icon{color:var(--accent);font-size:26px}.feature-grid h2{font-size:17px;letter-spacing:-.03em;margin:25px 0 8px}.feature-grid p,.muted{color:var(--muted);font-size:14px;line-height:1.5}.landing-footer{padding:25px 32px;color:var(--muted);text-align:center;font-size:12px;border-top:1px solid var(--line)}.auth-page{min-height:100vh}.auth-card{width:min(430px,calc(100% - 32px));margin:100px auto 40px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:40px;box-shadow:var(--shadow)}.auth-badge{margin-bottom:25px}.auth-card h1{font-size:35px}.auth-card>p{color:var(--muted);margin-bottom:30px}form{grid-gap:18px;gap:18px}form,label{display:grid}label{grid-gap:8px;gap:8px;color:var(--muted);font-size:13px;font-weight:650}input{width:100%;border:1px solid var(--line);border-radius:9px;padding:13px;background:var(--bg);color:var(--text);outline-color:var(--accent)}.full{width:100%;margin-top:4px}.switch-auth{border:0;background:none;color:var(--accent);font-weight:700;padding:18px 0 0}.form-message,.notice{color:#bd4d4d;background:#fff0f0;padding:12px;border-radius:8px;font-size:13px;line-height:1.4}.app-shell{min-height:100vh}.app-topbar{max-width:none;border-bottom:1px solid var(--line)}.top-actions{display:flex;align-items:center;gap:15px}.user-email{color:var(--muted);font-size:12px}.dashboard-content{max-width:1120px;padding:70px 32px;margin:auto}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:42px}.section-heading h1{font-size:48px}.section-heading .eyebrow{margin-bottom:15px}.upload-button{cursor:pointer}.upload-button input{display:none}.document-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));grid-gap:18px;gap:18px}.document-card{position:relative;display:flex;gap:17px;align-items:center;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:13px;transition:border-color .15s}.document-card:hover{border-color:var(--accent)}.doc-cover{display:grid;place-items:center;width:58px;height:76px;border-radius:5px;background:var(--accent-soft);color:var(--accent);font-size:11px;font-weight:800}.doc-info{min-width:0}.doc-info h2{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:15px;margin:0 0 7px}.doc-info p{color:var(--muted);font-size:12px;margin:0}.card-arrow{margin-left:auto;color:var(--muted)}.empty-state{text-align:center;padding:100px 20px;color:var(--muted)}.empty-state h2{color:var(--text);font-size:20px}.empty-icon{font-size:45px;color:var(--accent)}.reader-shell{min-height:100vh}.reader-topbar{max-width:none;border-bottom:1px solid var(--line)}.back-link{color:var(--muted);font-size:14px}.reader-title{max-width:40%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:14px}.reader-canvas{display:flex;justify-content:center;padding:32px 16px 115px;min-height:calc(100vh - 160px)}.reader-canvas canvas{max-width:100%;height:auto;display:block;background:#fff;box-shadow:var(--shadow)}.reading-dark canvas{filter:invert(.9) hue-rotate(180deg)}.reader-controls{position:fixed;z-index:2;bottom:0;left:0;right:0;display:flex;gap:18px;justify-content:center;align-items:center;padding:16px;color:var(--text);background:color-mix(in srgb,var(--surface) 94%,transparent);border-top:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.bookmark-button,.bookmark-strip button,.page-button{border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--text);padding:8px 13px}.page-button:disabled{opacity:.3;cursor:default}.bookmark-button{margin-left:14px;color:var(--muted)}.bookmark-button.active{color:var(--accent);border-color:var(--accent)}.bookmark-strip{position:fixed;bottom:70px;left:50%;transform:translateX(-50%);display:flex;gap:7px;align-items:center;padding:8px 12px;border:1px solid var(--line);background:var(--surface);border-radius:9px;color:var(--muted);font-size:12px}.reader-notice{max-width:600px;margin:20px auto 0}@media (max-width:650px){.topbar{padding:20px 18px}.hero{padding:95px 20px 85px}.hero-actions,.section-heading{align-items:stretch;flex-direction:column}.feature-grid{grid-template-columns:1fr;padding:0 18px 50px}.auth-card{margin-top:45px;padding:28px 22px}.dashboard-content{padding:45px 18px}.section-heading h1{font-size:40px}.user-email{display:none}.reader-topbar .top-actions{gap:3px}.reader-topbar .ghost-button{font-size:11px;padding:7px}.back-link span{display:none}.reader-controls{gap:8px;font-size:13px}.bookmark-button{margin-left:2px}.bookmark-button span{display:none}}