:root{--bg: #f6f8f4;--bg-soft: #eef3ea;--surface: #ffffff;--text: #22301f;--text-muted: #6b7a66;--accent: #2e7d32;--accent-strong: #1b5e20;--accent-soft: #e8f3e6;--border: #dce6d8;--danger: #c62828;--warn: #e6a23c;--radius: 14px;--shadow: 0 2px 10px rgba(34, 48, 31, .06)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.app{display:flex;flex-direction:column;height:100dvh;max-width:900px;margin:0 auto;background:var(--bg)}.header{background:var(--surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow)}.header__inner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px}.header__title{margin:0;font-size:18px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header__actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.btn{border:none;border-radius:10px;cursor:pointer;font:inherit;transition:background .15s ease,transform .1s ease}.btn:disabled{opacity:.45;cursor:not-allowed}.btn--new{background:var(--accent-soft);color:var(--accent-strong);padding:8px 12px;font-size:14px}.btn--new:hover:not(:disabled){background:#dbeada}.btn--send{background:var(--accent);color:#fff;width:46px;height:46px;font-size:18px;flex-shrink:0}.btn--send:hover:not(:disabled){background:var(--accent-strong)}.status{display:inline-flex;align-items:center;gap:6px;background:var(--bg-soft);border:1px solid var(--border);border-radius:999px;padding:6px 10px;font-size:13px;color:var(--text-muted)}.status__dot{width:9px;height:9px;border-radius:50%;background:var(--warn)}.status--online .status__dot{background:var(--accent)}.status--offline .status__dot{background:var(--danger)}.status--checking .status__dot{animation:pulse 1.1s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.main{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column}.chat{display:flex;flex-direction:column;gap:10px;flex:1}.message{display:flex}.message--user{justify-content:flex-end}.message--ai{justify-content:flex-start}.message__bubble{max-width:78%;padding:10px 14px;border-radius:var(--radius);font-size:15px;white-space:pre-wrap;word-break:break-word}.message--ai .message__bubble{background:var(--surface);border:1px solid var(--border);border-bottom-left-radius:4px}.message--user .message__bubble{background:var(--accent);color:#fff;border-bottom-right-radius:4px}.message__bubble--typing{display:inline-flex;gap:5px;align-items:center;padding:12px 14px}.dot{width:7px;height:7px;border-radius:50%;background:var(--text-muted);animation:blink 1.2s infinite both}.dot:nth-child(2){animation-delay:.2s}.dot:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.25}40%{opacity:1}}.chat__error{align-self:center;background:#fdecea;color:var(--danger);border:1px solid #f5c6c2;border-radius:10px;padding:8px 12px;font-size:14px;max-width:85%;text-align:center}.footer{background:var(--surface);border-top:1px solid var(--border);padding:12px 16px calc(12px + env(safe-area-inset-bottom))}.footer__inner{display:flex;gap:10px;align-items:flex-end}.input{flex:1;resize:none;border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;font:inherit;font-size:15px;background:var(--bg);color:var(--text);min-height:46px;max-height:140px}.input:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}.input:disabled{opacity:.6}.footer__note{margin:8px 0 0;font-size:13px;color:var(--danger);text-align:center}@media(max-width:480px){.header__title{font-size:15px}.btn--new{padding:6px 10px;font-size:13px}.status__label{display:none}.status{padding:6px 9px}.message__bubble{max-width:88%}.main{padding:10px}}@media(min-width:481px){.app{border-left:1px solid var(--border);border-right:1px solid var(--border)}}