:root{--primary: #1976d2;--primary-dark: #1565c0;--bg: #f0f2f5;--surface: #ffffff;--text: #1a1a1a;--text-secondary: #65676b;--bot-bg: #e4e6eb;--user-bg: #0084ff;--border: #dadde1}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.4;min-height:100vh;min-height:100dvh}.landing-container{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%)}.landing-hero{text-align:center;color:#fff;margin-bottom:3rem;animation:slideDown .6s ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}.hero-icon{font-size:4rem;margin-bottom:1rem;animation:bounce 2s ease infinite}.hero-title{font-size:3rem;font-weight:700;margin-bottom:.5rem}.hero-subtitle{font-size:1.125rem;opacity:.95;margin-bottom:2rem}.hero-features{display:flex;gap:2rem;justify-content:center;flex-wrap:wrap}.feature{display:flex;flex-direction:column;align-items:center;gap:.5rem;font-size:.875rem}.feature-icon{font-size:2rem}.landing-selector{background:#fff;border-radius:16px;padding:2rem;width:100%;max-width:400px;box-shadow:0 20px 60px #0000004d;animation:slideUp .6s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.landing-selector h2{text-align:center;margin-bottom:1.5rem;color:var(--text)}.select-group{margin-bottom:1.5rem}.select-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-secondary);font-size:.875rem}.select-group select{width:100%;padding:.75rem;border:1px solid var(--border);border-radius:8px;font-size:1rem;background:#fff;cursor:pointer;transition:border-color .2s}.select-group select:focus{outline:none;border-color:var(--primary)}.select-group select:disabled{background:#f5f5f5;cursor:not-allowed}.btn-primary{width:100%;padding:1rem;border:none;border-radius:8px;background:var(--primary);color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s}.btn-primary:hover:not(:disabled){background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 4px 12px #1976d266}.btn-primary:disabled{background:#ccc;cursor:not-allowed}.landing-disclaimer{text-align:center;font-size:.75rem;color:var(--text-secondary);margin-top:1rem}.chat-container{display:flex;flex-direction:column;height:100vh;height:100dvh;max-width:600px;margin:0 auto;background:var(--surface)}.chat-header{display:flex;align-items:center;gap:1rem;padding:1rem;background:var(--primary);color:#fff;box-shadow:0 2px 4px #0000001a}.chat-header .avatar{width:40px;height:40px;border-radius:50%;background:#fff3;display:flex;align-items:center;justify-content:center;font-size:1.25rem}.chat-header h1{font-size:1rem;font-weight:600}.chat-header .status{font-size:.75rem;opacity:.9}.messages{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.75rem}.message{max-width:85%;border-radius:18px;font-size:.9375rem;line-height:1.4;animation:fadeIn .2s ease}.message-content{padding:.75rem 1rem;font-size:.9375rem;line-height:1.4}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.model{align-self:flex-start;background:var(--bot-bg)}.message.model .message-content{border-bottom-left-radius:4px}.message.user{align-self:flex-end;background:var(--user-bg);color:#fff}.message.user .message-content{border-bottom-right-radius:4px}.message.typing{display:flex;gap:4px;padding:.75rem 1.25rem;background:var(--bot-bg)}.message.typing span{width:8px;height:8px;background:#999;border-radius:50%;animation:bounce 1.4s infinite ease-in-out}.message.typing span:nth-child(1){animation-delay:0s}.message.typing span:nth-child(2){animation-delay:.2s}.message.typing span:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.quick-actions{display:flex;flex-wrap:wrap;gap:.5rem;padding:.5rem 1rem;background:var(--surface);border-top:1px solid var(--border)}.quick-action{padding:.5rem 1rem;border:1px solid var(--border);border-radius:999px;background:var(--surface);font-size:.875rem;cursor:pointer;transition:all .2s}.quick-action:hover{background:var(--bg);border-color:var(--primary);color:var(--primary)}.input-area{display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;background:var(--surface);border-top:1px solid var(--border)}.input-area input{flex:1;padding:.75rem 1rem;border:1px solid var(--border);border-radius:999px;font-size:1rem;outline:none}.input-area input:focus{border-color:var(--primary)}.input-area button{width:44px;height:44px;border:none;border-radius:50%;background:var(--primary);color:#fff;font-size:1.25rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.input-area button:hover:not(:disabled){background:var(--primary-dark);transform:scale(1.05)}.input-area button:disabled{background:#ccc;cursor:not-allowed}.auth-modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;padding:1rem;z-index:100}.auth-card{background:var(--surface);border-radius:16px;padding:2rem;width:100%;max-width:400px;animation:slideUp .3s ease}.auth-card h2{margin-bottom:1.5rem;text-align:center}.form-group{margin-bottom:1rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500;font-size:.875rem}.form-input{width:100%;padding:.75rem;border:1px solid var(--border);border-radius:8px;font-size:1rem}.btn{width:100%;padding:.875rem;border:none;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;background:var(--primary);color:#fff;transition:all .2s}.btn:hover{background:var(--primary-dark)}.emergency-banner{background:#d32f2f;color:#fff;padding:.75rem 1rem;text-align:center;font-weight:500;animation:slideDown .3s ease}.location-btn{width:44px;height:44px;border:1px solid var(--border);border-radius:50%;background:var(--surface);font-size:1.25rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.location-btn:hover:not(:disabled){background:var(--bg);border-color:var(--primary);transform:scale(1.05)}@media (max-width: 480px){.hero-title{font-size:2rem}.landing-selector{padding:1.5rem}.hero-features{gap:1rem}}.landing-container.dynamic{min-height:100vh;display:flex;flex-direction:column;padding:0;position:relative}.landing-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;background:#0000004d;color:#fff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.detected-municipality{font-size:.875rem;font-weight:500}.btn-change{padding:.5rem 1rem;border:1px solid rgba(255,255,255,.5);border-radius:999px;background:#ffffff1a;color:#fff;font-size:.875rem;cursor:pointer;transition:all .2s;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.btn-change:hover{background:#fff3;border-color:#fff}.hero-logo{margin-bottom:1rem}.hero-logo img{max-width:120px;max-height:120px;object-fit:contain;filter:drop-shadow(0 4px 8px rgba(0,0,0,.3))}.btn-chat-start{padding:1rem 2rem;margin-top:2rem;border:none;border-radius:999px;background:#fff;color:var(--primary);font-size:1.125rem;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:0 4px 16px #0000004d}.btn-chat-start:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0006}.landing-description{padding:2rem;background:#fffffff2;color:var(--text);text-align:center;max-width:600px;margin:2rem auto;border-radius:12px;box-shadow:0 4px 12px #0003}.landing-contact{padding:2rem;background:#fffffff2;color:var(--text);max-width:600px;margin:0 auto 2rem;border-radius:12px;box-shadow:0 4px 12px #0003}.landing-contact h3{margin-bottom:1rem;color:var(--primary)}.landing-contact p{margin:.5rem 0;font-size:.9375rem}.loading-spinner{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;min-height:100vh;color:#fff}.spinner{width:50px;height:50px;border:4px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}