*{box-sizing:border-box}:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5;font-weight:400;color:#213547;background-color:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html,body{margin:0;padding:0;width:100%;min-height:100vh}body{overflow-x:hidden}#root{width:100%;min-height:100vh}a{color:#4a90e2;text-decoration:none;transition:color .2s}a:hover{color:#357abd;text-decoration:underline}button{font-family:inherit}@media(max-width:640px){html{font-size:14px}}@media(min-width:641px)and (max-width:1024px){html{font-size:15px}}@media(min-width:1025px){html{font-size:16px}}.auth-container{max-width:400px;margin:0 auto;padding:2rem}.auth-container h2{margin-bottom:.5rem;color:#1a1a1a;font-size:24px}.auth-subtitle{color:#666;margin-bottom:1.5rem;font-size:14px}.auth-form{display:flex;flex-direction:column;gap:1rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-weight:500;font-size:14px;color:#333}.form-group input{padding:.75rem;border:1px solid #ddd;border-radius:6px;font-size:14px;transition:border-color .2s}.form-group input:focus{outline:none;border-color:#4a90e2}.form-group input:disabled{background-color:#f5f5f5;cursor:not-allowed}.form-group small{color:#666;font-size:12px}.btn-primary{padding:.75rem;background-color:#4a90e2;color:#fff;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:background-color .2s;margin-top:.5rem}.btn-primary:hover:not(:disabled){background-color:#357abd}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.auth-divider{display:flex;align-items:center;margin:1.5rem 0;color:#999;font-size:12px}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background-color:#ddd}.auth-divider span{padding:0 1rem}.btn-google{display:flex;align-items:center;justify-content:center;gap:.75rem;padding:.75rem;background-color:#fff;border:1px solid #ddd;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:background-color .2s,border-color .2s}.btn-google:hover:not(:disabled){background-color:#f5f5f5;border-color:#ccc}.btn-google:disabled{opacity:.6;cursor:not-allowed}.auth-toggle{text-align:center;margin-top:1.5rem;font-size:14px;color:#666}.auth-toggle button{background:none;border:none;color:#4a90e2;cursor:pointer;font-weight:500;text-decoration:underline}.auth-toggle button:hover:not(:disabled){color:#357abd}.auth-toggle button:disabled{opacity:.6;cursor:not-allowed}.error-message{padding:.75rem;background-color:#fee;border:1px solid #FCC;border-radius:6px;color:#c33;font-size:14px;margin-bottom:1rem}.success-message{text-align:center;padding:2rem}.success-message h2{color:#22c55e;margin-bottom:1rem}.success-message p{color:#666;margin-bottom:.5rem}.success-note{font-size:12px;color:#999}.auth-modal-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.auth-modal{background-color:#fff;border-radius:12px;max-width:500px;width:100%;max-height:90vh;overflow-y:auto;position:relative}.auth-modal-close{position:absolute;top:1rem;right:1rem;background:none;border:none;font-size:24px;color:#999;cursor:pointer;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color .2s,color .2s}.auth-modal-close:hover{background-color:#f5f5f5;color:#333}.header{background:#fff;border-bottom:1px solid #e5e7eb;padding:1rem 0;position:sticky;top:0;z-index:100;box-shadow:0 1px 3px #0000001a}.header-content{display:flex;justify-content:space-between;align-items:center;gap:2rem}.logo{text-decoration:none;color:inherit;flex-shrink:0}.logo h1{margin:0;font-size:1.5rem;color:#1f2937}.nav{display:flex;gap:1.5rem;flex:1;margin-left:2rem}.nav-link{text-decoration:none;color:#6b7280;font-weight:500;padding:.5rem 1rem;border-radius:6px;transition:all .2s}.nav-link:hover{color:#1f2937;background:#f3f4f6}.nav-link.active{color:#2563eb;background:#eff6ff}.auth-buttons{flex-shrink:0}.user-menu{display:flex;align-items:center;gap:1rem}.user-menu .btn-secondary{height:38px;padding:.5rem 1rem;display:inline-flex;align-items:center;justify-content:center;font-size:14px;line-height:1;white-space:nowrap}.user-email{color:#6b7280;font-size:.875rem}.guest-menu{display:flex;align-items:center;gap:.75rem}.guest-menu .btn-primary,.guest-menu .btn-secondary{height:38px;padding:.5rem 1rem;display:inline-flex;align-items:center;justify-content:center;font-size:14px;line-height:1;white-space:nowrap}.guest-badge{color:#6b7280;font-size:.875rem;padding:.375rem .75rem;background:#f3f4f6;border-radius:6px;font-weight:500}.tagline{margin:.75rem 0 0;color:#6b7280;font-size:.875rem}.mobile-menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:.5rem;z-index:1001}.hamburger{display:flex;flex-direction:column;gap:5px;width:28px;height:24px}.hamburger span{display:block;height:3px;width:100%;background:#1f2937;border-radius:2px;transition:all .3s ease}.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(8px,8px)}.hamburger.open span:nth-child(2){opacity:0}.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(7px,-7px)}.mobile-menu-overlay{display:none;position:fixed;inset:0;background:#00000080;z-index:998}@media(max-width:768px){.mobile-menu-toggle,.mobile-menu-overlay{display:block}.nav{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:#fff;flex-direction:column;margin-left:0;padding:5rem 1.5rem 2rem;gap:0;box-shadow:-2px 0 10px #0000001a;transition:right .3s ease;z-index:999;overflow-y:auto}.nav.mobile-open{right:0}.nav-link{padding:1rem;border-radius:0;border-bottom:1px solid #e5e7eb;text-align:left}.nav-link:last-child{border-bottom:none}.user-email{display:none}.auth-buttons{margin-left:auto;flex-shrink:1;min-width:0}.guest-menu{gap:.5rem}.guest-menu .btn-primary,.guest-menu .btn-secondary{padding:.4rem .75rem;font-size:13px;height:34px}.guest-badge{font-size:.75rem;padding:.25rem .5rem}.user-menu .btn-secondary{padding:.4rem .75rem;font-size:13px;height:34px}}@media(max-width:480px){.header-content{gap:.5rem}.logo h1{font-size:1.25rem}.guest-menu{gap:.4rem}.guest-menu .btn-primary,.guest-menu .btn-secondary{padding:.35rem .6rem;font-size:12px;height:32px}.guest-badge{display:none}}.app{min-height:100vh;display:flex;flex-direction:column;width:100%;background:#f9fafb}.main{flex:1;width:100%;padding:2rem 0}.footer{background:#fff;border-top:1px solid #e5e7eb;padding:2rem 0;margin-top:4rem;width:100%}.footer-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.footer p{margin:0;color:#6b7280;font-size:.875rem}.footer-links{display:flex;gap:1.5rem;flex-wrap:wrap}.footer-links a{color:#6b7280;text-decoration:none;font-size:.875rem;transition:color .2s}.footer-links a:hover{color:#4a90e2}@media(max-width:768px){.main{padding:1.5rem 0}.footer{margin-top:2rem;padding:1.5rem 0}.footer-content{flex-direction:column;text-align:center}.footer-links{justify-content:center}}.app{min-height:100vh;display:flex;flex-direction:column;width:100%}.container{width:100%;max-width:1400px;margin:0 auto;padding:0 1.5rem}.container-wide{width:100%;max-width:1600px;margin:0 auto;padding:0 2rem}.header{background-color:#fff;border-bottom:1px solid #eee;padding:1.5rem 0}.header h1{margin:0 0 .25rem;font-size:28px;color:#1a1a1a}.tagline{margin:0;color:#666;font-size:14px}.auth-buttons{margin-top:1rem}.user-menu,.guest-menu{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.user-email{font-size:14px;color:#666}.main{flex:1;padding:2rem 0}.hero-section{text-align:center;max-width:800px;margin:0 auto}.hero-section h2{font-size:32px;margin-bottom:1rem;color:#1a1a1a}.hero-description{font-size:18px;color:#666;margin-bottom:3rem}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin:3rem 0;text-align:left}.feature-card{padding:1.5rem;border:1px solid #eee;border-radius:8px;transition:box-shadow .2s}.feature-card:hover{box-shadow:0 4px 12px #0000001a}.feature-icon{font-size:36px;margin-bottom:1rem}.feature-card h3{margin:0 0 .5rem;font-size:18px;color:#1a1a1a}.feature-card p{margin:0;font-size:14px;color:#666}.cta-section{margin-top:3rem}.cta-note{margin-top:.5rem;font-size:14px;color:#999}.welcome-section h2{font-size:28px;margin-bottom:.5rem}.welcome-section>p{color:#666;margin-bottom:2rem}.zones-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem}.zone-card{padding:1.5rem;border:1px solid #eee;border-radius:8px;text-align:center;transition:box-shadow .2s,transform .2s;cursor:pointer}.zone-card:hover{box-shadow:0 4px 12px #0000001a;transform:translateY(-2px)}.zone-icon{font-size:32px;display:block;margin-bottom:.75rem}.zone-card h3{margin:0 0 .5rem;font-size:16px;color:#1a1a1a}.zone-card p{margin:0;font-size:13px;color:#666}.info-box{background-color:#f8f9fa;border:1px solid #e9ecef;border-radius:8px;padding:1.5rem;margin-top:2rem}.info-box h3{margin-top:0;color:#1a1a1a}.info-box ul{margin:1rem 0 0;padding-left:1.5rem}.info-box li{margin-bottom:.5rem;color:#666}.footer{background-color:#f8f9fa;border-top:1px solid #eee;padding:2rem 0;margin-top:auto}.footer p{margin:0;text-align:center;color:#666;font-size:14px}.btn-primary,.btn-secondary{padding:.625rem 1.25rem;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;line-height:1.2;white-space:nowrap}.btn-primary{background-color:#4a90e2;color:#fff;border-color:#4a90e2}.btn-primary:hover{background-color:#357abd;border-color:#357abd}.btn-secondary{background-color:#fff;color:#333;border-color:#ddd}.btn-secondary:hover{background-color:#f5f5f5;border-color:#ccc}.btn-large{padding:.875rem 2rem;font-size:16px}.calculator-section{max-width:1200px;margin:0 auto}.zones-section{margin:2rem 0}.zones-section h2{font-size:24px;margin-bottom:.5rem;color:#1a1a1a}.section-subtitle{color:#666;font-size:14px;margin-bottom:2rem}.project-summary-placeholder{background:#fff;border-radius:12px;padding:2rem;margin-top:2rem;box-shadow:0 2px 8px #0000001a;text-align:center}.project-summary-placeholder h3{margin:0 0 .5rem;color:#1a1a1a}.project-summary-placeholder p{margin:0;color:#666}@media(max-width:1024px){.container{padding:0 1.25rem}.container-wide{padding:0 1.5rem}}@media(max-width:768px){.container,.container-wide{padding:0 1rem}.header{padding:1rem 0}.header h1{font-size:22px}.tagline{font-size:13px}.main{padding:1.5rem 0}.feature-grid{grid-template-columns:1fr;gap:1.5rem;margin:2rem 0}.zones-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:1rem}.zone-card{padding:1rem}.zone-icon{font-size:28px}.zone-card h3{font-size:15px}.zone-card p{font-size:12px}.hero-section h2{font-size:24px}.hero-description{font-size:16px;margin-bottom:2rem}.zones-section h2{font-size:20px}.btn-large{padding:.75rem 1.5rem;font-size:15px}}@media(max-width:480px){.container{padding:0 .75rem}.header h1{font-size:20px}.zones-grid{grid-template-columns:1fr}.feature-grid{gap:1rem}.feature-card{padding:1.25rem}.user-menu,.guest-menu{gap:.5rem}}.toast-container{position:fixed;top:1rem;right:1rem;z-index:9999;display:flex;flex-direction:column;gap:.75rem;pointer-events:none}.toast{display:flex;align-items:center;gap:.75rem;padding:1rem 1.25rem;border-radius:8px;background:#fff;box-shadow:0 4px 12px #00000026;min-width:300px;max-width:400px;pointer-events:all;opacity:0;transform:translate(400px);transition:all .3s ease-out}.toast-visible{opacity:1;transform:translate(0)}.toast-icon{flex-shrink:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-weight:700;font-size:14px}.toast-message{flex:1;margin:0;color:#1f2937;font-size:.875rem;line-height:1.4}.toast-close{flex-shrink:0;background:none;border:none;font-size:1.5rem;line-height:1;color:#6b7280;cursor:pointer;padding:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;transition:color .2s}.toast-close:hover{color:#1f2937}.toast-success{border-left:4px solid #10b981}.toast-success .toast-icon{background:#d1fae5;color:#10b981}.toast-error{border-left:4px solid #ef4444}.toast-error .toast-icon{background:#fee2e2;color:#ef4444}.toast-info{border-left:4px solid #3b82f6}.toast-info .toast-icon{background:#dbeafe;color:#3b82f6}@media(max-width:768px){.toast-container{left:1rem;right:1rem}.toast{min-width:0;max-width:100%}}
