:root{--yellow-deep: #e6a800;--yellow-light: #fff3cd;--yellow-dark: #b8860b;--yellow-bg: #fffdf5;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-600: #6b7280;--gray-800: #1f2937;--white: #ffffff}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--yellow-bg);color:var(--gray-800)}.app{display:flex;flex-direction:column;height:100dvh;max-width:768px;margin:0 auto}.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--yellow-deep);color:var(--white);flex-shrink:0}.app-header h1{font-size:1.25rem;font-weight:700}.header-actions{display:flex;gap:8px}.new-chat-btn{background:var(--white);color:var(--yellow-deep);border:none;padding:6px 14px;border-radius:6px;cursor:pointer;font-size:.875rem;font-weight:600}.new-chat-btn:hover{background:var(--yellow-light)}.settings-btn{background:#fff3;color:var(--white);border:1px solid rgba(255,255,255,.3);padding:6px 14px;border-radius:6px;cursor:pointer;font-size:.875rem}.settings-btn:hover{background:#ffffff59}.settings-panel{padding:12px 16px;background:var(--yellow-light);border-bottom:2px solid var(--yellow-deep);flex-shrink:0}.settings-panel label{display:block;font-size:.8rem;font-weight:600;margin-bottom:4px;color:var(--yellow-dark)}.settings-panel input[type=text]{width:100%;padding:8px 10px;border:1px solid var(--gray-200);border-radius:6px;font-size:.875rem;outline:none}.settings-panel input[type=text]:focus{border-color:var(--yellow-deep)}.settings-actions{display:flex;gap:8px;margin-top:8px}.settings-actions button{padding:6px 16px;border:none;border-radius:6px;font-size:.875rem;cursor:pointer;background:var(--yellow-deep);color:var(--white);font-weight:600}.settings-actions .btn-cancel{background:var(--gray-200);color:var(--gray-800)}.chat-area{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}.empty-state{text-align:center;color:var(--gray-600);margin:auto;padding:40px 20px}.empty-state p{font-size:1rem}.empty-state-hint{margin-top:8px;font-size:.85rem!important;color:var(--yellow-dark)}.message-row{display:flex;max-width:85%}.message-row.user{align-self:flex-end}.message-row.assistant{align-self:flex-start}.message-bubble{padding:10px 14px;border-radius:12px;font-size:.9375rem;line-height:1.55}.message-row.user .message-bubble{background:var(--yellow-deep);color:var(--white);border-bottom-right-radius:4px}.message-row.assistant .message-bubble{background:var(--white);border:1px solid var(--gray-200);border-bottom-left-radius:4px}.message-label{font-size:.75rem;font-weight:700;margin-bottom:4px;opacity:.8;text-transform:uppercase;letter-spacing:.5px}.message-text p{margin-bottom:4px}.message-text p:last-child{margin-bottom:0}.typing-indicator{display:flex;gap:4px;padding:4px 0}.typing-indicator span{width:8px;height:8px;border-radius:50%;background:var(--gray-600);animation:bounce 1.2s infinite ease-in-out}.typing-indicator span:nth-child(1){animation-delay:0s}.typing-indicator span:nth-child(2){animation-delay:.15s}.typing-indicator span:nth-child(3){animation-delay:.3s}@keyframes bounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-6px)}}.tours-list{display:flex;flex-direction:column;gap:8px;margin-top:10px}.tour-card{display:block;background:var(--yellow-light);border:1px solid var(--yellow-deep);border-radius:8px;padding:10px 12px;text-decoration:none;color:var(--gray-800);transition:background .15s}.tour-card:hover{background:#ffe69c}.tour-card-title{font-weight:600;font-size:.9rem}.tour-card-price{font-size:.85rem;color:var(--yellow-dark);font-weight:700;margin-top:2px}.input-area{display:flex;gap:8px;padding:12px 16px;background:var(--white);border-top:1px solid var(--gray-200);flex-shrink:0}.input-area textarea{flex:1;resize:none;padding:10px 12px;border:1px solid var(--gray-200);border-radius:8px;font-size:.9375rem;font-family:inherit;outline:none;line-height:1.4}.input-area textarea:focus{border-color:var(--yellow-deep)}.input-area button{align-self:flex-end;padding:10px 20px;background:var(--yellow-deep);color:var(--white);border:none;border-radius:8px;font-size:.9375rem;font-weight:600;cursor:pointer;white-space:nowrap}.input-area button:hover:not(:disabled){background:var(--yellow-dark)}.input-area button:disabled{opacity:.5;cursor:default}