:root{--bg: #0f1115;--panel: #181b22;--panel-2: #1f232c;--border: #2a2f3a;--text: #e8eaed;--muted: #9aa1ac;--accent: #6ea8fe;--accent-strong: #4c8dff;--danger: #ff6b6b;--radius: 12px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}.app{max-width:1080px;margin:0 auto;padding:32px 20px 48px}.header{margin-bottom:24px}.header h1{margin:0;font-size:28px;letter-spacing:.5px}.subtitle{margin:6px 0 0;color:var(--muted);font-size:15px}.layout{display:grid;grid-template-columns:400px 1fr;gap:20px;align-items:start}@media(max-width:860px){.layout{grid-template-columns:1fr}}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.form{display:flex;flex-direction:column;gap:16px}.field{display:flex;flex-direction:column;gap:6px}.field>span{font-size:13px;color:var(--muted)}.field em{font-style:normal;opacity:.7}.row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}select,textarea{width:100%;background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:10px 12px;font-size:14px;font-family:inherit;resize:vertical}select:focus,textarea:focus{outline:none;border-color:var(--accent)}.topic{min-height:64px}.actions{margin-top:4px}.btn{border:none;border-radius:8px;padding:11px 18px;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s,opacity .15s;font-family:inherit}.btn:disabled{opacity:.45;cursor:default}.btn-primary{background:var(--accent-strong);color:#fff;width:100%}.btn-primary:hover{background:var(--accent)}.btn-stop{background:var(--panel-2);color:var(--danger);border:1px solid var(--border);width:100%}.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--border);padding:6px 12px;font-weight:500}.btn-ghost:hover:not(:disabled){color:var(--text);border-color:var(--accent)}.error{background:#ff6b6b1f;border:1px solid rgba(255,107,107,.4);color:#ffb0b0;border-radius:8px;padding:10px 12px;font-size:13px}.result{min-height:420px;display:flex;flex-direction:column}.result-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.result-title{font-size:14px;color:var(--muted)}.result-meta{display:flex;align-items:center;gap:12px}.count{font-size:12px;color:var(--muted)}.result-body{flex:1}.text{white-space:pre-wrap;word-wrap:break-word;font-size:16px;line-height:1.7}.placeholder{color:var(--muted);font-size:15px;padding:40px 0;text-align:center}.cursor{display:inline-block;width:8px;height:18px;background:var(--accent);margin-left:2px;vertical-align:text-bottom;animation:blink 1s steps(2) infinite}@keyframes blink{0%,50%{opacity:1}50.01%,to{opacity:0}}