.auth-buttons{display:flex;gap:1rem;align-items:center}.sign-out-button{background-color:#f56565;color:#fff;padding:.5rem 1rem;border:none;border-radius:.375rem;font-size:.95rem;font-weight:500;cursor:pointer;transition:background-color .2s}.sign-out-button:hover{background-color:#e53e3e}body{padding-top:4rem}.auth-wrapper{min-height:calc(100vh - 4rem);display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a365d,#2d3748);padding:20px}.auth-container{background:#fffffff2;padding:2.5rem;border-radius:1rem;box-shadow:0 8px 32px #0000001a;width:100%;max-width:420px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.auth-header{text-align:center;margin-bottom:2.5rem}.auth-header h1{color:#1a365d;font-size:2rem;font-weight:700;margin-bottom:.75rem}.auth-header p{color:#4a5568;font-size:1rem}.auth-form{display:flex;flex-direction:column;gap:1.25rem}.form-group input{padding:.875rem;border:2px solid #e2e8f0;border-radius:.5rem;font-size:1rem;transition:all .2s ease;background:#fff}.auth-button{background-color:#4299e1;color:#fff;padding:1rem;border:none;border-radius:.5rem;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;margin-top:.5rem}.auth-button:hover{background-color:#3182ce;transform:translateY(-1px)}.auth-button:disabled{background-color:#a0aec0;cursor:not-allowed;transform:none}.error-message{color:#e53e3e;font-size:.875rem;text-align:center;background:#fff5f5;padding:.75rem;border-radius:.5rem;border:1px solid #feb2b2}.auth-footer{text-align:center;margin-top:2rem;color:#4a5568;font-size:.95rem}.auth-footer a{color:#4299e1;text-decoration:none;font-weight:600;transition:color .2s ease}.auth-footer a:hover{color:#3182ce;text-decoration:underline}.dashboard{min-height:100vh;background-color:#f7fafc}.dashboard-nav{background-color:#fff;padding:1.25rem 2.5rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 4px #00000014}.dashboard-nav h1{color:#1a365d;font-size:1.75rem;font-weight:700}.sign-out-button{background-color:#f56565;color:#fff;padding:.75rem 1.5rem;border:none;border-radius:.5rem;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .2s ease}.sign-out-button:hover{background-color:#e53e3e;transform:translateY(-1px)}.dashboard-content{padding:6rem 2.5rem 2.5rem;max-width:1280px;margin:0 auto}.welcome-section{margin-bottom:3rem;background:#fff;padding:2rem;border-radius:1rem;box-shadow:0 2px 4px #0000000a}.welcome-section h2{color:#1a365d;font-size:2rem;margin-bottom:.75rem;font-weight:700}.welcome-section p{color:#4a5568;font-size:1.1rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}.stat-card{background-color:#fff;padding:2rem;border-radius:1rem;box-shadow:0 2px 4px #0000000a;transition:transform .2s ease}.stat-card:hover{transform:translateY(-4px)}.stat-card h3{color:#4a5568;font-size:1.1rem;margin-bottom:1rem;font-weight:600}.stat-card p{color:#1a365d;font-size:2rem;font-weight:700}.loading{min-height:100vh;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:#4a5568;background:#f7fafc}.footer{background-color:#1a365d;color:#fff;padding:4rem 2rem 2rem}.footer-content{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:3rem}.footer-section h3{font-size:1.5rem;margin-bottom:1rem}.footer-section h4{font-size:1.1rem;margin-bottom:1rem}.footer-section p{color:#cbd5e0;line-height:1.6}.footer-section a{color:#cbd5e0;text-decoration:none;display:block;margin-bottom:.5rem;transition:color .2s}.footer-section a:hover{color:#fff}.footer-bottom{max-width:1200px;margin:3rem auto 0;padding-top:2rem;border-top:1px solid #2d4a77;text-align:center;color:#cbd5e0}.home{min-height:100vh}.hero{background:linear-gradient(135deg,#1a365d,#2d3748);padding:6rem 2rem;color:#fff;text-align:center}.hero h1{font-size:3.5rem;font-weight:700;margin-bottom:1.5rem;line-height:1.2}.hero p{font-size:1.25rem;max-width:600px;margin:0 auto 2rem;opacity:.9}.hero-buttons{display:flex;gap:1rem;justify-content:center;margin-top:2rem}.hero-button{padding:1rem 2rem;border-radius:.5rem;font-weight:600;font-size:1.1rem;text-decoration:none;transition:transform .2s}.hero-button:hover{transform:translateY(-2px)}.primary-button{background-color:#4299e1;color:#fff}.secondary-button{background-color:#fff;color:#1a365d}.features{padding:5rem 2rem;max-width:1200px;margin:0 auto}.features h2{text-align:center;font-size:2.5rem;color:#1a365d;margin-bottom:3rem}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.feature-card{padding:2rem;border-radius:1rem;background:#fff;box-shadow:0 4px 6px #0000001a}.feature-card h3{color:#1a365d;font-size:1.5rem;margin-bottom:1rem}.feature-card p{color:#4a5568;line-height:1.6}.cta{background-color:#f7fafc;padding:5rem 2rem;text-align:center}.cta h2{font-size:2.5rem;color:#1a365d;margin-bottom:1.5rem}.cta p{color:#4a5568;max-width:600px;margin:0 auto 2rem;font-size:1.1rem}.nav{position:fixed;top:0;left:0;right:0;background:#ffffffe6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 4px #0000001a;z-index:100}.nav-logo{color:#1a365d;font-size:1.5rem;font-weight:700;text-decoration:none}.nav-links{display:flex;gap:2rem;align-items:center}.nav-link{color:#4a5568;text-decoration:none;font-weight:500;transition:color .2s}.nav-link:hover{color:#1a365d}.auth-buttons{display:flex;gap:1rem}.how-it-works{min-height:100vh}.how-header{background:linear-gradient(135deg,#1a365d,#2d3748);padding:6rem 2rem;text-align:center;color:#fff}.how-header h1{font-size:3rem;margin-bottom:1rem}.steps-container{max-width:1200px;margin:-3rem auto 4rem;padding:0 2rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;position:relative}.step-card{background:#fff;padding:2rem;border-radius:1rem;box-shadow:0 4px 6px #0000001a;text-align:center}.step-number{width:40px;height:40px;background:#4299e1;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:600;margin:0 auto 1rem}.step-card h3{color:#1a365d;margin-bottom:1rem}.step-link{display:inline-block;color:#4299e1;text-decoration:none;margin-top:1rem;font-weight:500}.faq-preview{background:#f7fafc;padding:4rem 2rem;text-align:center}.faq-preview h2{color:#1a365d;font-size:2rem;margin-bottom:3rem}.faq-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-bottom:2rem}.faq-item{background:#fff;padding:2rem;border-radius:1rem;box-shadow:0 2px 4px #0000000d;text-align:left}.faq-item h4{color:#1a365d;margin-bottom:.5rem}.more-faq{display:inline-block;color:#4299e1;text-decoration:none;font-weight:500}.marketplace{min-height:100vh;padding:6rem 2rem 2rem;background:#f7fafc}.marketplace-header{text-align:center;margin-bottom:3rem}.marketplace-header h1{color:#1a365d;font-size:2.5rem;margin-bottom:.5rem}.marketplace-header p{color:#4a5568;font-size:1.1rem}.listings-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem;padding:1rem}.listing-card{background:#fff;border-radius:1rem;overflow:hidden;box-shadow:0 4px 6px #0000001a;transition:transform .2s}.listing-card:hover{transform:translateY(-4px)}.listing-image{width:100%;height:200px;object-fit:cover}.listing-content{padding:1.5rem}.listing-content h3{color:#1a365d;font-size:1.25rem;margin-bottom:1rem}.listing-details{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1.5rem}.listing-details p{color:#4a5568;font-size:.95rem}.listing-details strong{color:#2d3748}.buy-button{width:100%;background-color:#4299e1;color:#fff;padding:.75rem;border:none;border-radius:.5rem;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .2s}.buy-button:hover{background-color:#3182ce}.loading{min-height:60vh;display:flex;align-items:center;justify-content:center;font-size:1.25rem;color:#4a5568}.error-message{max-width:600px;margin:2rem auto;padding:1rem;background:#fff5f5;color:#e53e3e;border-radius:.5rem;text-align:center}.list-energy{min-height:100vh;background:#f7fafc;padding:6rem 2rem 2rem}.form-container{max-width:800px;margin:0 auto;background:#fff;padding:2rem;border-radius:1rem;box-shadow:0 4px 6px #0000001a}.form-container h1{color:#1a365d;font-size:2rem;margin-bottom:.5rem}.form-container p{color:#4a5568;margin-bottom:2rem}.energy-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{color:#2d3748;font-size:.9rem;font-weight:600}.form-group input{padding:.875rem;border:2px solid #e2e8f0;border-radius:.5rem;font-size:1rem;transition:all .2s}.form-group input:focus{outline:none;border-color:#4299e1;box-shadow:0 0 0 3px #4299e126}.submit-button{background-color:#4299e1;color:#fff;padding:1rem;border:none;border-radius:.5rem;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;grid-column:1 / -1;margin-top:1rem}.submit-button:hover{background-color:#3182ce;transform:translateY(-1px)}.submit-button:disabled{background-color:#a0aec0;cursor:not-allowed;transform:none}.error-message{color:#e53e3e;background:#fff5f5;padding:.75rem;border-radius:.5rem;border:1px solid #feb2b2;grid-column:1 / -1}.about{min-height:100vh}.about-header{background:linear-gradient(135deg,#1a365d,#2d3748);padding:6rem 2rem;text-align:center;color:#fff}.about-header h1{font-size:3rem;margin-bottom:1rem}.about-content{max-width:1200px;margin:0 auto;padding:4rem 2rem}.mission-section{text-align:center;margin-bottom:4rem}.mission-section h2{color:#1a365d;font-size:2rem;margin-bottom:1rem}.vision-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin:3rem 0}.vision-card{background:#fff;padding:2rem;border-radius:1rem;box-shadow:0 4px 6px #0000001a}.vision-card h3{color:#1a365d;margin-bottom:1rem}.team-section{text-align:center;margin-top:4rem}.team-section h2{color:#1a365d;font-size:2rem;margin-bottom:1rem}