*{margin:0;padding:0;box-sizing:border-box}:root{--accent: #0f766e;--accent-dark: #0d5f58;--bg: #f4f5f6;--panel: #ffffff;--text: #1f2937;--muted: #6b7280;--border: #e5e7eb;--danger: #dc2626;--app-height: 100dvh}html,body,#app{height:100%}body{font-family:-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);display:flex;align-items:center;justify-content:center;overflow:hidden}.shell{width:100%;max-width:420px;height:100%;max-height:680px;background:var(--panel);border:1px solid var(--border);border-radius:12px;display:flex;flex-direction:column;overflow:hidden}@media (max-width: 480px){.shell{max-width:none;max-height:none;height:var(--app-height);border-radius:0;border:none}}.header{display:flex;align-items:center;gap:8px;padding:12px 16px;background:var(--accent);color:#fff;flex-shrink:0}.header-title{font-size:15px;font-weight:600}.header-badge{font-size:10px;font-weight:700;background:#ffffff40;padding:2px 6px;border-radius:4px}.footer{padding:6px 12px;font-size:10px;color:var(--muted);text-align:center;border-top:1px solid var(--border);flex-shrink:0;padding-bottom:calc(6px + env(safe-area-inset-bottom))}.form-wrap{flex:1;padding:24px 20px;display:flex;flex-direction:column;gap:12px;overflow-y:auto}.form-title{font-size:17px}.form-hint{font-size:13px;color:var(--muted);margin-bottom:4px}.field{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:16px;background:#fafafa}.field:focus{outline:2px solid var(--accent);border-color:transparent;background:#fff}.field.invalid{border-color:var(--danger);background:#fef2f2}.consent-row{display:flex;gap:8px;align-items:flex-start;font-size:12px;color:var(--muted);cursor:pointer}.consent-row input{margin-top:2px;width:16px;height:16px}.consent-text a{color:var(--accent)}.form-error{font-size:12px;color:var(--danger);min-height:16px}.btn-primary{padding:10px 16px;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer}.btn-primary:hover{background:var(--accent-dark)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.chat-wrap{flex:1;display:flex;flex-direction:column;min-height:0;position:relative}.messages{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:16px 12px;display:flex;flex-direction:column;gap:8px}.bubble{max-width:85%;padding:9px 12px;border-radius:12px;font-size:14px;line-height:1.5;word-break:break-word}.bubble.user{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:4px;white-space:pre-wrap}.bubble.assistant{align-self:flex-start;background:#f1f3f4;color:var(--text);border-bottom-left-radius:4px}.bubble.typing:after{content:"…";animation:blink 1s infinite}@keyframes blink{50%{opacity:.3}}.bubble.assistant ul{margin:4px 0 4px 18px}.bubble.assistant li{margin:2px 0}.bubble.assistant strong{font-weight:600}.bubble.assistant code{background:#0000000f;padding:1px 4px;border-radius:4px;font-size:12.5px}.bubble.assistant a{color:var(--accent);text-decoration:underline}.bubble.assistant br+br{display:none}.notice{align-self:center;font-size:11px;color:var(--muted);background:#fffbeb;border:1px solid #fde68a;border-radius:8px;padding:6px 10px;text-align:center}.error-box{align-self:flex-start;max-width:85%;display:flex;align-items:center;gap:8px;flex-wrap:wrap;background:#fef2f2;border:1px solid #fecaca;border-radius:10px;padding:8px 10px}.error-box.soft{background:#f8fafc;border-color:var(--border)}.error-text{font-size:12.5px;color:var(--text)}.btn-inline{background:none;border:1px solid var(--accent);color:var(--accent);border-radius:6px;padding:3px 8px;font-size:12px;cursor:pointer}.btn-inline:hover{background:var(--accent);color:#fff}.jump-btn{position:absolute;right:12px;bottom:96px;display:none;background:var(--accent);color:#fff;border:none;border-radius:16px;padding:5px 12px;font-size:12px;cursor:pointer;box-shadow:0 2px 8px #00000026}.jump-btn.visible{display:block}.status{min-height:18px;padding:0 14px 4px;font-size:11px;color:var(--muted);flex-shrink:0}.input-row{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--border);flex-shrink:0}.input-row textarea{flex:1;resize:none;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:16px;font-family:inherit;background:#fafafa;max-height:120px}.input-row textarea:focus{outline:2px solid var(--accent);border-color:transparent;background:#fff}.input-row textarea:disabled{background:#f1f1f1;color:var(--muted)}.btn-send{align-self:flex-end}