@import "https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:wght@300;400;500;600&family=DM+Mono:wght@400;500&display=swap";
*{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f7f5f0;--surface:#fff;--border:#e2ded6;--text:#1a1814;--text-muted:#7a7570;--accent:#1a3a2a;--accent-light:#e8f0eb;--accent-hover:#122a1e;--red:#c0392b;--red-light:#fdecea;--yellow:#b8860b;--yellow-light:#fef9ec}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:DM Sans,sans-serif;line-height:1.6}.serif{font-family:DM Serif Display,serif}.mono{font-family:DM Mono,monospace}.container{max-width:900px;margin:0 auto;padding:0 16px}@media (min-width:600px){.container{padding:0 24px}}nav{border-bottom:1px solid var(--border);background:var(--surface);z-index:100;justify-content:space-between;align-items:center;gap:12px;height:56px;padding:0 16px;display:flex;position:sticky;top:0}@media (min-width:600px){nav{height:60px;padding:0 24px}}.nav-brand{color:var(--accent);white-space:nowrap;flex-shrink:0;align-items:center;gap:7px;font-family:DM Serif Display,serif;font-size:15px;display:flex}@media (min-width:600px){.nav-brand{font-size:18px}}.nav-links{flex-wrap:nowrap;align-items:center;gap:2px;display:flex;overflow-x:auto}.nav-link{color:var(--text-muted);white-space:nowrap;cursor:pointer;background:0 0;border:none;border-radius:6px;padding:5px 8px;font-family:DM Sans,sans-serif;font-size:12px;font-weight:500;line-height:1;text-decoration:none;transition:all .15s}@media (min-width:480px){.nav-link{padding:6px 12px;font-size:13px}}.nav-link:hover{color:var(--text);background:var(--bg)}.nav-link.active{color:var(--accent);background:var(--accent-light)}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px}@media (min-width:600px){.card{padding:28px}}.upload-zone{border:2px dashed var(--border);text-align:center;cursor:pointer;background:var(--bg);border-radius:10px;padding:32px 16px;transition:all .2s}@media (min-width:600px){.upload-zone{padding:40px 24px}}.upload-zone:hover,.upload-zone.drag-over{border-color:var(--accent);background:var(--accent-light)}.upload-zone.has-file{border-style:solid;border-color:var(--accent);background:var(--accent-light)}.btn{cursor:pointer;white-space:nowrap;border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:10px 16px;font-family:DM Sans,sans-serif;font-size:14px;font-weight:500;transition:all .15s;display:inline-flex}@media (min-width:600px){.btn{padding:10px 20px}}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-outline{color:var(--text);border:1px solid var(--border);background:0 0}.btn-outline:hover{border-color:var(--accent);color:var(--accent)}.btn-danger{color:var(--red);background:0 0;border:1px solid #0000;padding:6px 10px;font-size:13px}.btn-danger:hover{background:var(--red-light)}.btn-full{width:100%}.tag{background:var(--accent-light);color:var(--accent);border:1px solid #c5d9cb;border-radius:4px;padding:2px 8px;font-family:DM Mono,monospace;font-size:11px;display:inline-block}.step-badge{background:var(--accent);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:12px;font-weight:600;display:flex}.result-content{color:var(--text);white-space:pre-wrap;word-break:break-word;overflow-wrap:break-word;font-size:14px;line-height:1.8}.spinner{border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;flex-shrink:0;width:18px;height:18px;animation:.7s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}input[type=text]{border:1px solid var(--border);background:var(--surface);width:100%;color:var(--text);-webkit-appearance:none;border-radius:8px;padding:11px 14px;font-family:DM Sans,sans-serif;font-size:16px;transition:border-color .15s}input[type=text]:focus{border-color:var(--accent);outline:none}.action-bar{flex-direction:column;gap:12px;display:flex}@media (min-width:600px){.action-bar{flex-direction:row;justify-content:space-between;align-items:center}}.action-bar-buttons{flex-wrap:wrap;gap:8px;display:flex}