:root{color:#1d1d1f;background:#f5f3ef;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input{font:inherit}button{cursor:pointer}.boot{min-height:100vh;display:grid;place-items:center;color:#6e6e73}.login-shell{min-height:100vh;display:grid;place-items:center;padding:28px;background:radial-gradient(circle at 50% 8%,rgba(255,255,255,.95),transparent 38%),linear-gradient(180deg,#fbfaf7,#efebe3)}.login-panel{width:min(820px,100%);padding:46px 50px;border:1px solid rgba(29,29,31,.08);border-radius:8px;background:#ffffffd1;box-shadow:0 24px 70px #37312a1a;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.login-kicker{display:flex;gap:12px;align-items:center;margin-bottom:18px;color:#7b746b;font-size:12px;font-weight:650;letter-spacing:.08em}.login-kicker span+span{padding-left:12px;border-left:1px solid #d8d2c8}.eyebrow{margin:0 0 8px;color:#7b746b;font-size:12px;text-transform:uppercase;letter-spacing:.08em}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(32px,5vw,56px);line-height:1.05;letter-spacing:0;margin-bottom:28px}.login-panel h1{margin-bottom:10px;font-size:clamp(30px,4vw,44px);line-height:1.15;white-space:nowrap}.login-subtitle{color:#6e6e73;margin-bottom:28px;font-size:16px}.login-form{display:flex;gap:10px}.login-form input{flex:1;min-width:0;border:1px solid #d8d2c8;border-radius:8px;padding:14px 16px;background:#fff;outline:none}.login-form button,.primary,.download{border:0;border-radius:8px;padding:14px 18px;background:#1d1d1f;color:#fff;text-decoration:none;text-align:center;font-weight:650}.error-text{color:#a03425;margin-top:14px}.app-shell{min-height:100vh;padding:28px;background:#f5f3ef}.topbar{max-width:1180px;margin:0 auto 24px;display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.topbar h1{font-size:34px;margin:0}.ghost,.secondary,.file-row button{border:1px solid #d8d2c8;border-radius:8px;background:#ffffffad;color:#1d1d1f;padding:10px 14px}.workspace{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:320px 1fr;gap:18px}.mode-panel,.convert-panel{border:1px solid rgba(29,29,31,.08);border-radius:8px;background:#ffffffb8;box-shadow:0 18px 50px #37312a14}.mode-panel{padding:12px;height:max-content}.mode-card{width:100%;display:grid;gap:8px;text-align:left;border:1px solid transparent;border-radius:8px;background:transparent;padding:18px;color:#1d1d1f}.mode-card+.mode-card{margin-top:8px}.mode-card.active{background:#f0ece4;border-color:#d8d2c8}.mode-card span{font-weight:700}.mode-card strong{font-size:24px}.mode-card small{color:#6e6e73;line-height:1.55}.convert-panel{padding:24px}.panel-head{display:flex;justify-content:space-between;gap:20px;margin-bottom:20px}.panel-head h2{font-size:28px;margin-bottom:8px}.panel-head p{color:#6e6e73;margin-bottom:0}.status-pill{height:34px;white-space:nowrap;border-radius:999px;padding:8px 12px;background:#eee9df;color:#5e574f;font-size:13px}.dropzone{min-height:220px;display:grid;place-items:center;align-content:center;gap:10px;border:1px dashed #c9c1b5;border-radius:8px;background:#fbfaf7;color:#4a4641}.dropzone span{color:#7b746b}.upload-icon{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:#1d1d1f;color:#fff;font-size:26px;line-height:1}.file-list{margin-top:16px;display:grid;gap:10px}.file-row{display:flex;justify-content:space-between;gap:14px;align-items:center;border:1px solid #ebe6dd;border-radius:8px;background:#fff;padding:12px}.file-row div{min-width:0;display:grid;gap:4px}.file-row strong{overflow-wrap:anywhere}.file-row span{color:#7b746b;font-size:13px}.actions{margin-top:18px;display:flex;gap:10px}.primary:disabled,.secondary:disabled{opacity:.45;cursor:not-allowed}.alert{margin-top:18px;border-radius:8px;padding:14px}.danger{background:#fff1ec;color:#9c321f}.result-panel{margin-top:18px;border-radius:8px;border:1px solid #d8d2c8;background:#f0ece4;padding:18px;display:grid;gap:16px}.result-panel h3{margin-bottom:8px;overflow-wrap:anywhere}.result-panel p{color:#6e6e73;margin-bottom:0}.download{width:max-content}.issue-list{display:grid;gap:8px}.issue{border-radius:8px;background:#ffffffb3;padding:10px 12px;display:grid;gap:4px}.issue span{color:#6e6e73;font-size:13px}@media (max-width: 840px){.app-shell{padding:18px}.topbar{align-items:center}.topbar h1{font-size:26px}.workspace{grid-template-columns:1fr}.login-panel{padding:28px}.login-panel h1{white-space:normal;font-size:30px}.login-kicker{flex-wrap:wrap}.login-form,.panel-head{flex-direction:column}}