:root{--font-heading:"Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-body:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--bg-primary:#0e121a;--bg-secondary:#131924;--card-bg:#1e2430;--card-border:#2e3545;--card-glow:#2f8d460d;--text-primary:#f9fafb;--text-secondary:#9ca3af;--text-muted:#6b7280;--accent-green:#2f8d46;--accent-green-glow:#2f8d464d;--accent-blue:#3b82f6;--accent-purple:#8b5cf6;--state-error:#ef4444;--state-success:#2f8d46;--border-radius-sm:4px;--border-radius-md:6px;--border-radius-lg:10px;--transition-smooth:all .25s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-body);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.6;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);letter-spacing:-.02em;font-weight:700;line-height:1.2}.app-container{flex-direction:column;min-height:100vh;display:flex}.main-content{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:100px 24px 40px}.glass-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--border-radius-md);transition:var(--transition-smooth);padding:24px;box-shadow:0 4px 12px #00000026}.glass-card:hover{border-color:#2f8d4666;box-shadow:0 6px 20px #00000040}.form-group{width:100%;margin-bottom:20px}.form-label{color:var(--text-secondary);letter-spacing:.03em;margin-bottom:8px;font-size:.875rem;font-weight:600;display:block}.form-input{border-radius:var(--border-radius-sm);width:100%;color:var(--text-primary);font-family:var(--font-body);transition:var(--transition-smooth);background:#080c18bf;border:1px solid #ffffff14;padding:12px 16px;font-size:1rem;box-shadow:inset 0 2px 4px #00000080}.form-input:focus{border-color:var(--accent-green);background:#080c18f2;outline:none;box-shadow:0 0 16px #10b9812e,inset 0 2px 4px #0009}.btn{font-family:var(--font-heading);border-radius:var(--border-radius-sm);cursor:pointer;transition:var(--transition-smooth);border:none;justify-content:center;align-items:center;padding:12px 24px;font-size:1rem;font-weight:600;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.65;cursor:not-allowed;box-shadow:none!important;transform:none!important}.btn-primary{background:var(--accent-green);color:#fff;box-shadow:0 2px 6px #0003}.btn-primary:hover{background:#216c33;box-shadow:0 4px 10px #0000004d}.btn-primary:active{transform:translateY(0)}.btn-secondary{border:1px solid var(--card-border);color:var(--text-primary);background:#ffffff0d}.btn-secondary:hover{border-color:var(--text-secondary);background:#ffffff1a}.grid-2{grid-template-columns:repeat(2,1fr);gap:24px;display:grid}.grid-3{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.flex-between{justify-content:space-between;align-items:center;display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:.4s ease-out forwards fadeIn}@keyframes pulse-glow{0%,to{box-shadow:0 0 10px #10b98133}50%{box-shadow:0 0 20px 4px #10b98166}}.loading-glow{animation:2s ease-in-out infinite pulse-glow}@media (width<=768px){.grid-2,.grid-3{grid-template-columns:1fr}.main-content{padding:90px 16px 24px}}.navbar{background:var(--bg-secondary);border-bottom:2px solid var(--accent-green);z-index:1000;align-items:center;width:100%;height:70px;display:flex;position:fixed;top:0;left:0;box-shadow:0 4px 10px #0003}.navbar-container{justify-content:space-between;align-items:center;width:100%;max-width:1200px;margin:0 auto;padding:0 24px;display:flex}.navbar-brand{font-family:var(--font-heading);color:var(--text-primary);align-items:center;gap:8px;font-size:1.5rem;font-weight:800;text-decoration:none;display:flex}.navbar-menu{align-items:center;gap:24px;display:flex}.nav-link{color:var(--text-secondary);transition:var(--transition-smooth);font-size:.95rem;font-weight:500;text-decoration:none}.nav-link:hover{color:var(--accent-green)}.navbar-user-info{border-left:1px solid var(--card-border);align-items:center;gap:16px;padding-left:16px;display:flex}.points-badge{color:var(--accent-green);font-family:var(--font-heading);background:#10b9811a;border:1px solid #10b98140;border-radius:20px;padding:4px 10px;font-size:.85rem;font-weight:600}.username-display{color:var(--text-primary);font-size:.9rem;font-weight:600}.btn-logout{color:var(--state-error);border-radius:var(--border-radius-sm);cursor:pointer;transition:var(--transition-smooth);background:0 0;border:1px solid #ef44444d;padding:4px 12px;font-size:.85rem;font-weight:500}.btn-logout:hover{border-color:var(--state-error);background:#ef44441a}.auth-card{width:100%;max-width:440px}.auth-header{text-align:center;margin-bottom:28px}.auth-header h2{margin-bottom:6px;font-size:1.85rem}.auth-header p{color:var(--text-secondary);font-size:.95rem}.auth-footer{text-align:center;color:var(--text-secondary);margin-top:24px;font-size:.9rem}.auth-footer a{color:var(--accent-green);font-weight:600;text-decoration:none}.auth-footer a:hover{text-decoration:underline}.alert-error{color:#fca5a5;border-radius:var(--border-radius-sm);background:#ef44441a;border:1px solid #ef444440;margin-bottom:20px;padding:12px 16px;font-size:.9rem;font-weight:500}.w-100{width:100%}.mt-4{margin-top:16px}.dashboard-container h1{margin-bottom:4px;font-size:2.25rem}.subtitle{color:var(--text-secondary);margin-bottom:24px}.points-banner{background:linear-gradient(135deg, #10b98114 0%, #3b82f614 100%), var(--card-bg);border-color:#10b98133;margin-bottom:32px;position:relative;overflow:hidden}.points-banner:before{content:"";background:linear-gradient(90deg,#0000,#ffffff0a,#0000);width:100%;height:100%;animation:4.5s infinite bannerShimmer;position:absolute;top:0;left:0;transform:translate(-100%)}@keyframes bannerShimmer{to{transform:translate(100%)}}.points-text h3{color:var(--accent-green);margin-bottom:4px;font-size:1.25rem}.points-text p{color:var(--text-secondary);font-size:.95rem}.points-display{border-radius:var(--border-radius-sm);background:#10b98114;border:1px solid #10b98133;flex-direction:column;align-items:center;padding:12px 28px;display:flex}.points-number{font-family:var(--font-heading);color:var(--accent-green);font-size:2.5rem;font-weight:800;line-height:1}.points-label{text-transform:uppercase;color:var(--text-secondary);letter-spacing:.1em;margin-top:4px;font-size:.75rem;font-weight:700}.metric-card h4{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px;font-size:.95rem}.metric-value{font-family:var(--font-heading);margin-bottom:12px;font-size:2rem;font-weight:700;line-height:1}.metric-value span{color:var(--text-muted);font-size:.95rem;font-weight:500}.bar-track{background:#ffffff0d;border-radius:3px;width:100%;height:6px;overflow:hidden}.bar-fill{height:100%;transition:var(--transition-smooth);border-radius:3px}.border-energy{border-left:4px solid var(--accent-green)}.border-transport{border-left:4px solid var(--accent-blue)}.border-food{border-left:4px solid var(--accent-purple)}.fill-energy,.bg-energy{background-color:var(--accent-green)}.fill-transport,.bg-transport{background-color:var(--accent-blue)}.fill-food,.bg-food{background-color:var(--accent-purple)}.chart-and-logs-grid{margin-top:32px}.chart-card{justify-content:space-between;align-items:center;display:flex}.chart-info h3,.logs-card h3{margin-bottom:8px;font-size:1.25rem}.chart-info p{color:var(--text-secondary);margin-bottom:20px;font-size:.9rem}.chart-legend{flex-direction:column;gap:12px;display:flex}.legend-item{color:var(--text-secondary);align-items:center;gap:10px;font-size:.9rem;display:flex}.dot{border-radius:50%;width:10px;height:10px;display:inline-block}.chart-visual{justify-content:center;align-items:center;display:flex}.empty-chart{border:2px dashed var(--card-border);width:120px;height:120px;color:var(--text-muted);border-radius:50%;justify-content:center;align-items:center;font-size:.9rem;display:flex}.logs-card{flex-direction:column;display:flex}.logs-list{flex-direction:column;flex:1;gap:12px;margin-top:16px;display:flex}.log-row{border:1px solid var(--card-border);border-radius:var(--border-radius-sm);transition:var(--transition-smooth);background:#ffffff05;padding:12px 16px}.log-row:hover{background:#ffffff0a;border-color:#ffffff1a}.log-date{font-size:.95rem;font-weight:600}.log-sub-sectors{color:var(--text-muted);margin-top:2px;font-size:.75rem}.log-value-badge{font-family:var(--font-heading);color:var(--text-primary);border-radius:var(--border-radius-sm);background:#ffffff0d;padding:4px 10px;font-size:.9rem;font-weight:700}.empty-logs{text-align:center;color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:16px;height:100%;padding:40px 0;display:flex}.calculator-intro{margin-bottom:32px}.calculator-intro h1{margin-bottom:4px;font-size:2.25rem}.text-area-input{resize:vertical;min-height:140px;line-height:1.5}.results-placeholder{text-align:center;border:2px dashed var(--card-border);justify-content:center;align-items:center;min-height:330px;padding:40px;display:flex}.placeholder-icon{opacity:.5;margin-bottom:16px;font-size:3rem}.results-placeholder h4{margin-bottom:8px;font-size:1.15rem}.results-placeholder p{color:var(--text-secondary);max-width:280px;font-size:.9rem}.results-card h3{font-size:1.35rem}.points-award-badge{border:1px solid var(--accent-green);color:var(--accent-green);font-family:var(--font-heading);background:#10b98126;border-radius:20px;padding:4px 12px;font-size:.9rem;font-weight:700;box-shadow:0 0 10px #10b98126}.total-emission-banner{border-radius:var(--border-radius-sm);background:linear-gradient(135deg,#10b9811f 0%,#3b82f61f 100%),#0a0e1ecc;border:1px solid #10b98140;margin-top:20px;padding:20px;box-shadow:0 0 20px #10b98114}.banner-label{color:var(--text-muted);letter-spacing:.05em;margin-bottom:4px;font-size:.75rem;font-weight:700;display:block}.total-emission-banner h2{color:var(--accent-green);font-size:2.25rem}.eco-rating-badge{border:1px solid var(--card-border);background:#ffffff0d;border-radius:20px;padding:6px 12px;font-size:.85rem;font-weight:600}.emissions-sub-details{margin-top:24px}.emissions-sub-details h4,.recommendations-container h4{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--card-border);margin-bottom:12px;padding-bottom:8px;font-size:.95rem}.detail-row{border-bottom:1px dashed #ffffff0d;padding:10px 0}.detail-row span{color:var(--text-secondary);font-size:.95rem}.detail-row strong{color:var(--text-primary)}.recommendations-container{margin-top:24px}.tips-list{flex-direction:column;gap:12px;display:flex}.tip-item{border-radius:var(--border-radius-sm);border:1px solid var(--card-border);background:#ffffff05;align-items:flex-start;gap:12px;padding:12px;display:flex}.tip-number{background:var(--accent-green);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;font-size:.75rem;font-weight:700;display:flex}.tip-text{color:var(--text-secondary);font-size:.9rem;line-height:1.4}.loading-container{flex-direction:column;justify-content:center;align-items:center;padding:60px 0;display:flex}.spinner{border:3px solid #10b9811a;border-top-color:var(--accent-green);border-radius:50%;width:40px;height:40px;animation:1s linear infinite spin}.mini-spinner{border:2px solid #fff3;border-top-color:#fff;border-radius:50%;width:16px;height:16px;margin-right:8px;animation:1s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.flex-center{justify-content:center;align-items:center;display:flex}.flex-direction-column{flex-direction:column}.flex-wrap{flex-wrap:wrap}.logo-svg{filter:drop-shadow(0 0 6px #10b98159);transition:transform .5s cubic-bezier(.4,0,.2,1)}.navbar-brand:hover .logo-svg{filter:drop-shadow(0 0 12px #10b9818c)drop-shadow(0 0 12px #3b82f659);transform:rotate(15deg)scale(1.1)}.challenge-card{transition:var(--transition-smooth);flex-direction:column;justify-content:space-between;display:flex;position:relative;overflow:hidden;min-height:250px!important}.challenge-card:before{content:"";pointer-events:none;background:radial-gradient(circle at 100% 0,#ffffff04 0%,#0000 70%);width:100%;height:100%;position:absolute;top:0;left:0}.challenge-icon-wrapper{width:44px;height:44px;transition:var(--transition-smooth);background:#ffffff08;border:1px solid #ffffff0d;border-radius:12px;justify-content:center;align-items:center;margin-bottom:16px;display:flex}.challenge-icon{width:22px;height:22px}.text-transport{color:var(--accent-blue);filter:drop-shadow(0 0 8px #3b82f659)}.text-energy{color:var(--accent-green);filter:drop-shadow(0 0 8px #10b98159)}.text-food{color:var(--accent-purple);filter:drop-shadow(0 0 8px #8b5cf659)}.challenge-card:hover .challenge-icon-wrapper{background:#ffffff0f;transform:scale(1.1)rotate(5deg)}.challenge-info-main h4{color:var(--text-primary);font-size:1.1rem;font-family:var(--font-heading);margin-bottom:8px}.challenge-info-main p{color:var(--text-secondary);margin-bottom:16px;font-size:.9rem;line-height:1.45}.challenge-reward{font-family:var(--font-heading);color:var(--accent-green);font-size:.95rem;font-weight:700}.completed-badge{color:var(--accent-green);font-size:.85rem;font-weight:700;font-family:var(--font-heading);background:#2f8d4626;border:1px solid #2f8d464d;border-radius:4px;align-items:center;gap:6px;padding:6px 14px;animation:.4s cubic-bezier(.175,.885,.32,1.275) forwards completePop;display:inline-flex}@keyframes completePop{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.challenge-completed{border-color:var(--accent-green)!important;background:#2f8d460d!important}.challenge-alert{border-radius:var(--border-radius-sm);margin-bottom:12px;padding:8px 12px;font-size:.8rem;font-weight:500;animation:.3s ease-out fadeIn}.alert-success{color:var(--accent-green);background:#10b9811a;border:1px solid #10b98140}.btn-challenge-complete{border-radius:6px;padding:8px 16px;font-size:.85rem}.auth-page-container{justify-content:center;align-items:center;width:100%;min-height:calc(100vh - 160px);display:flex}