:root{--paper:#f4f5f7;--surface:#fff;--ink:#14171f;--muted:#5a6472;--faint:#8a93a1;--line:#e3e6eb;--line-soft:#eef0f3;--accent:#2743d6;--accent-ink:#1b2f9e;--accent-soft:#eaedfd;--accent-line:#c9d1fa;--good:#1f7a54;--good-soft:#e4f3eb;--warn:#8a5a12;--warn-soft:#f7eedd;--danger:#a3342b;--danger-soft:#faebe9;--font-display:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--font-mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;--radius:12px;--shadow:0 1px 2px rgba(20,23,31,.04),0 8px 24px rgba(20,23,31,.06)}*{box-sizing:border-box}body,html{padding:0;margin:0}body{background:var(--paper);color:var(--ink);font-family:var(--font-sans);line-height:1.55;-webkit-font-smoothing:antialiased}button,input,textarea{font-family:inherit;font-size:inherit}a{color:var(--accent-ink)}.shell{max-width:1160px;margin:0 auto;padding:0 24px 96px}.masthead{padding:44px 0 28px;border-bottom:1px solid var(--line);margin-bottom:32px}.brand{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}.brand .mark{width:34px;height:34px;border-radius:9px;background:var(--accent);position:relative;flex:none;align-self:center;box-shadow:inset 0 0 0 1px hsla(0,0%,100%,.14)}.brand .mark:after{content:"";position:absolute;inset:8px;border-top:2px solid hsla(0,0%,100%,.9);border-left:2px solid hsla(0,0%,100%,.9);transform:rotate(-45deg);transform-origin:center;top:11px}.brand h1{font-family:var(--font-display);font-weight:600;font-size:30px;letter-spacing:-.01em;margin:0}.brand .tag{font-size:13px;color:var(--muted);border-left:1px solid var(--line);padding-left:14px}.masthead p.lede{margin:14px 0 0;color:var(--muted);max-width:62ch;font-size:15.5px}.workspace{display:grid;grid-template-columns:380px 1fr;grid-gap:28px;gap:28px;align-items:start}@media (max-width:880px){.workspace{grid-template-columns:1fr}}.panel{position:-webkit-sticky;position:sticky;top:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;display:flex;flex-direction:column;gap:18px}@media (max-width:880px){.panel{position:static}}.section-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin:0 0 10px}.field{display:flex;flex-direction:column;gap:5px;margin-bottom:12px}.field:last-child{margin-bottom:0}.field label{font-size:12.5px;font-weight:600;color:var(--muted)}.field input,.field textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:9px;background:#fcfcfd;color:var(--ink);transition:border-color .12s,box-shadow .12s}.field textarea{resize:vertical;min-height:60px;line-height:1.5}.csv-drop:focus-within,.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.field .hint{font-size:11.5px;color:var(--faint)}.divider{height:1px;background:var(--line-soft);margin:2px 0}.csv-drop{border:1px dashed var(--accent-line);border-radius:9px;background:var(--accent-soft);padding:12px;text-align:center;cursor:pointer;transition:background .12s}.csv-drop:hover{background:#e1e6fc}.csv-drop input[type=file]{display:none}.csv-drop .big{font-weight:600;color:var(--accent-ink);font-size:13px}.csv-drop .small{font-size:11.5px;color:var(--muted);margin-top:2px}.csv-count{font-size:12px;color:var(--muted);margin-top:8px;font-family:var(--font-mono)}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;cursor:pointer;background:var(--accent);color:#fff;font-weight:600;padding:12px 16px;border-radius:10px;width:100%;transition:background .12s,transform .05s}.btn:hover:not(:disabled){background:var(--accent-ink)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn .spinner{display:inline-block;width:13px;height:13px;margin-right:8px;border:2px solid hsla(0,0%,100%,.4);border-top-color:#fff;border-radius:50%;vertical-align:-2px;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.error-note{background:var(--danger-soft);color:var(--danger);border:1px solid #e6cbc7;border-radius:9px;padding:9px 12px;font-size:13px}.results{display:flex;flex-direction:column;gap:20px;min-height:200px}.results-empty{border:1px dashed var(--line);border-radius:var(--radius);padding:56px 24px;text-align:center;color:var(--faint);background:repeating-linear-gradient(135deg,transparent,transparent 11px,rgba(20,23,31,.015) 0,rgba(20,23,31,.015) 22px)}.results-empty .em-title{font-family:var(--font-display);font-size:19px;color:var(--muted);margin-bottom:6px}.letter{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;animation:rise .35s ease both}@keyframes rise{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.letter .strip{display:flex;align-items:center;gap:10px;padding:11px 18px;border-bottom:1px solid var(--line-soft);font-family:var(--font-mono);font-size:12px;color:var(--muted);background:#fcfcfd}.letter .postmark{width:9px;height:9px;border-radius:50%;background:var(--accent);flex:none}.letter .strip .to{color:var(--ink);font-weight:600}.letter .strip .role{color:var(--faint)}.letter .strip .spacer{flex:1 1}.badge{font-family:var(--font-mono);font-size:11px;padding:2px 8px;border-radius:999px;white-space:nowrap}.badge.ok{background:var(--good-soft);color:var(--good)}.badge.warn{background:var(--warn-soft);color:var(--warn)}.badge.err{background:var(--danger-soft);color:var(--danger)}.letter .body-wrap{padding:18px 22px 20px}.letter .company{font-size:13px;color:var(--muted);margin:0 0 14px;padding-bottom:12px;border-bottom:1px dashed var(--line)}.letter .subject{font-family:var(--font-display);font-size:20px;font-weight:600;letter-spacing:-.01em;margin:0 0 10px;color:var(--ink)}.letter .mailbody{font-family:var(--font-display);font-size:16.5px;line-height:1.62;color:#23262e;white-space:pre-wrap;margin:0}.letter .foot{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:16px;padding-top:12px;border-top:1px solid var(--line-soft);font-size:12px;color:var(--faint)}.letter .sources{display:flex;flex-wrap:wrap;gap:6px 12px}.letter .sources a{color:var(--muted);text-decoration:none;border-bottom:1px dotted var(--line)}.letter .sources a:hover{color:var(--accent-ink);border-bottom-color:var(--accent-line)}.letter .actions{margin-left:auto;display:flex;gap:8px}.mini{-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer;background:#fff;color:var(--muted);border:1px solid var(--line);border-radius:8px;padding:5px 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.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.btn.inline{width:auto;padding:12px 22px}.btn.ghost{width:auto;background:transparent;color:var(--ink);border:1px solid var(--line);padding:12px 20px}.btn.ghost:hover:not(:disabled){background:#fff;border-color:var(--accent-line);color:var(--accent-ink)}.steps3{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:14px;gap:14px;margin:40px 0 8px}@media (max-width:720px){.steps3{grid-template-columns:1fr}}.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}.step .n{font-family:var(--font-mono);font-size:12px;color:var(--accent-ink);background:var(--accent-soft);border-radius:6px;padding:2px 8px;display:inline-block;margin-bottom:8px}.step h4{margin:0 0 4px;font-size:15px}.step p{margin:0;font-size:13px;color:var(--muted)}.showcase{margin:40px 0}.showcase-head{display:flex;align-items:baseline;gap:12px;margin-bottom:16px}.showcase-head h3{font-family:var(--font-display);font-size:22px;margin:0;font-weight:600}.showcase-head .note{font-size:13px;color:var(--faint)}.example-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:16px;gap:16px}@media (max-width:900px){.example-grid{grid-template-columns:1fr}}.example-tag{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);background:var(--line-soft);padding:2px 7px;border-radius:999px}.trust{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;margin:8px 0 0;padding:16px 0 0;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}.trust li{display:flex;align-items:center;gap:7px}.trust .tick{color:var(--good);font-weight:700}.login-card{max-width:420px;margin:8px auto 0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 24px}.login-card h3{font-family:var(--font-display);font-size:21px;margin:0 0 6px;font-weight:600}.login-card p.hint{margin:0 0 16px;color:var(--muted);font-size:13.5px}.section-divider{display:flex;align-items:center;gap:16px;margin:44px 0 24px;font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}.section-divider:after,.section-divider:before{content:"";height:1px;background:var(--line);flex:1 1}.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;font-size:13.5px;box-shadow:var(--shadow);z-index:50;animation:toastin .2s ease both}@keyframes toastin{0%{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%)}}@media (prefers-reduced-motion:reduce){.letter,.toast{animation:none}.btn .spinner{animation-duration:1.6s}.progress-fill{transition:none}}.trial-note{background:var(--accent-soft);border:1px solid var(--accent-line);color:var(--accent-ink);border-radius:10px;padding:10px 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16px;font-size:13px}input.pick{width:16px;height:16px;accent-color:var(--accent);cursor:pointer;flex:none}.letter.selected{border-color:var(--accent-line);box-shadow:0 0 0 2px var(--accent-soft)}.pager{display:flex;align-items:center;justify-content:center;gap:14px;margin:18px 0 4px}.pager-info{font-family:var(--font-mono);font-size:12px;color:var(--muted)}.select-bar .conn{font-size:12px;color:var(--good);display:inline-flex;align-items:center;gap:6px;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.linkbtn{background:none;border:none;color:var(--muted);text-decoration:underline;cursor:pointer;font-size:12px;padding:0}.linkbtn:hover{color:var(--accent-ink)}.btn.small.ghost2{background:#fff;color:var(--muted);border:1px solid var(--line)}.btn.small.ghost2:hover:not(:disabled){background:#fff;border-color:var(--accent-line);color:var(--accent-ink)}