:root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.5;font-weight:400;color:#374151;background-color:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background-color:#f3f5f8}.app{min-height:100vh;display:flex;flex-direction:column}.app-content{flex:1;padding:2rem;font-family:system-ui,sans-serif}.app-main{flex:1;display:flex;flex-direction:column;overflow:hidden}.app-status-banner{padding:.5rem 1rem;background:#fef3c7;color:#92400e;text-align:center;font-size:.875rem}.password-gate{position:fixed;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;z-index:9999}.password-container{background:#fff;padding:3rem;border-radius:12px;box-shadow:0 20px 40px #0000001a;text-align:center;max-width:400px;width:90%;animation:fadeInUp .6s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.logo-container{margin-bottom:2rem}.logo{height:60px;width:auto;margin:0 auto}.password-container h1{color:#333;margin-bottom:.5rem;font-size:1.8rem;font-weight:600}.password-container p{color:#666;margin-bottom:2rem;font-size:1rem;line-height:1.5}.password-form{display:flex;flex-direction:column;gap:1rem}.input-group{position:relative}.password-input{width:100%;padding:1rem;border:2px solid #e1e5e9;border-radius:8px;font-size:1rem;transition:border-color .3s ease;box-sizing:border-box}.password-input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.password-input::placeholder{color:#999}.error-message{color:#e74c3c;font-size:.9rem;margin-top:.5rem;animation:shake .5s ease-in-out}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.submit-button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:1rem 2rem;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;margin-top:1rem}.submit-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 20px #667eea4d}.submit-button:disabled{opacity:.6;cursor:not-allowed;transform:none}.submit-button:active:not(:disabled){transform:translateY(0)}@media (max-width: 480px){.password-container{padding:2rem;margin:1rem}.password-container h1{font-size:1.5rem}.logo{height:50px}}.navbar{background:#fff;border-bottom:1px solid #e5e7eb;display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.5rem;box-shadow:0 1px 3px #0000001a;position:sticky;top:0;z-index:1100}.navbar-left{display:flex;align-items:center;gap:2rem}.navbar-right{display:flex;align-items:center;gap:1rem}.navbar-title{font-size:1rem;font-weight:500;color:#374151;margin:0}@media (max-width: 768px){.navbar{padding:.5rem 1rem;flex-wrap:wrap;gap:1rem}.navbar-left{gap:1rem}}@media (max-width: 480px){.navbar{padding:.5rem;gap:.5rem}.navbar-left{gap:.5rem;flex:1;min-width:0}.navbar-right{gap:.25rem;flex-shrink:0}.navbar-title{font-size:.875rem}}.waterplan-logo{display:flex;align-items:center;text-decoration:none}.waterplan-logo-svg{height:28px;width:auto;max-width:140px}.chat-ui{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column}.chat-empty{flex:1;display:flex;align-items:center;justify-content:center;color:#6b7280}.chat-messages{display:flex;flex-direction:column;gap:1rem}.chat-message{max-width:80%;padding:.75rem 1rem;border-radius:12px;line-height:1.5}.chat-message-user{align-self:flex-end;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.chat-message-assistant{align-self:flex-start;background:#f3f4f6;color:#374151}.chat-message-error{align-self:center;background:#fef2f2;color:#dc2626;border:1px solid #fecaca}.voice-input{padding:1rem;border-top:1px solid #e5e7eb;background:#fff}.voice-input-form{display:flex;gap:.5rem;align-items:center}.voice-input-text{flex:1;padding:.75rem 1rem;border:2px solid #e1e5e9;border-radius:8px;font-size:1rem;transition:border-color .3s ease}.voice-input-text:focus{outline:none;border-color:#667eea}.voice-input-text:disabled{background:#f9fafb;cursor:not-allowed}.voice-input-mic{width:48px;height:48px;border:none;border-radius:50%;background:#f3f4f6;font-size:1.25rem;cursor:pointer;transition:all .3s ease}.voice-input-mic:hover:not(:disabled){background:#e5e7eb}.voice-input-mic.recording{background:#dc2626;animation:pulse 1s infinite}.voice-input-mic.starting{background:#fbbf24;animation:pulse .5s infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.voice-input-mic:disabled{opacity:.5;cursor:not-allowed}.voice-input-send{padding:.75rem 1.5rem;border:none;border-radius:8px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;font-weight:600;cursor:pointer;transition:all .3s ease}.voice-input-send:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px #667eea4d}.voice-input-send:disabled{opacity:.5;cursor:not-allowed;transform:none}