:root{--bg: #0f172a;--card: #1e293b;--card2: #334155;--accent: #f59e0b;--accent-d: #d97706;--text: #e2e8f0;--muted: #94a3b8;--ok: #22c55e;--warn: #ef4444;--radius: 14px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,system-ui,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-tap-highlight-color:transparent}a{color:var(--accent);text-decoration:none}.app{max-width:760px;margin:0 auto;padding:0 16px 96px}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:#0f172ae6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.topbar h1{font-size:18px;margin:0}.topbar .bolt{color:var(--accent)}.card{background:var(--card);border-radius:var(--radius);padding:16px;margin:14px 0;border:1px solid #2b3a52}.card h2{margin:0 0 10px;font-size:16px}.muted{color:var(--muted);font-size:13px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.tile{background:var(--card);border:1px solid #2b3a52;border-radius:var(--radius);padding:18px 16px;cursor:pointer;transition:.15s;display:block}.tile:hover{border-color:var(--accent);transform:translateY(-2px)}.tile .ico{font-size:26px}.tile .t{font-weight:600;margin-top:8px}.tile .d{color:var(--muted);font-size:12px;margin-top:4px}label{display:block;font-size:13px;color:var(--muted);margin:10px 0 4px}input,select,textarea{width:100%;padding:11px 12px;border-radius:10px;border:1px solid #3b4d68;background:#0b1220;color:var(--text);font-size:15px}textarea{min-height:80px;resize:vertical}.row{display:flex;gap:10px}.row>*{flex:1}button{background:var(--accent);color:#1a1206;border:0;border-radius:10px;padding:12px 16px;font-size:15px;font-weight:600;cursor:pointer;width:100%}button:hover{background:var(--accent-d)}button.ghost{background:transparent;color:var(--text);border:1px solid #3b4d68}button:disabled{opacity:.5;cursor:default}.result{background:#0b1220;border-radius:10px;padding:14px;margin-top:14px;border:1px solid #2b3a52}.big{font-size:28px;font-weight:700;color:var(--accent)}.ok{color:var(--ok)}.warn{color:var(--warn)}.error{color:var(--warn);font-size:13px;margin-top:8px}.steps{padding-left:18px}.steps li{margin:6px 0}.chat{display:flex;flex-direction:column;gap:10px}.bubble{padding:11px 14px;border-radius:12px;max-width:85%;white-space:pre-wrap;line-height:1.4}.bubble.user{background:var(--accent);color:#1a1206;align-self:flex-end}.bubble.ai{background:var(--card2);align-self:flex-start}.nav{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;background:#0b1220;border-top:1px solid #2b3a52;padding:8px 0 max(8px,env(safe-area-inset-bottom))}.nav a{color:var(--muted);font-size:11px;text-align:center;flex:1}.nav a.active{color:var(--accent)}.nav .ico{display:block;font-size:20px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:8px;border-bottom:1px solid #2b3a52}