.dashboard{max-width:1400px;margin:0 auto}.dashboard-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:32px}.dashboard-header h1{font-size:2rem;font-weight:700;color:#f8fafc;margin:0}.carbon-score{background:linear-gradient(135deg,#22c55e,#16a34a);padding:16px 24px;border-radius:16px;text-align:center}.score-label{display:block;font-size:.875rem;color:#ffffffe6}.score-value{display:block;font-size:2.5rem;font-weight:800;color:#fff}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-bottom:32px}.stat-card{background:#1e293b;border-radius:16px;padding:24px;display:flex;align-items:center;gap:20px;border:1px solid #334155}.stat-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center}.stat-icon.transport{background:#ef444433;color:#ef4444}.stat-icon.energy{background:#f59e0b33;color:#f59e0b}.stat-icon.food{background:#22c55e33;color:#22c55e}.stat-info{display:flex;flex-direction:column}.stat-label{font-size:.875rem;color:#64748b}.stat-value{font-size:1.5rem;font-weight:700;color:#f8fafc}.stat-change{font-size:.875rem;font-weight:500}.stat-change.positive{color:#22c55e}.stat-change.negative{color:#ef4444}.charts-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:24px;margin-bottom:32px}.chart-card{background:#1e293b;border-radius:16px;padding:24px;border:1px solid #334155}.chart-card h3{margin:0 0 20px;font-size:1.125rem;color:#f8fafc}.legend{display:flex;justify-content:center;gap:20px;margin-top:16px}.legend-item{display:flex;align-items:center;gap:8px;font-size:.875rem;color:#94a3b8}.legend-dot{width:12px;height:12px;border-radius:50%}.ai-insights{background:linear-gradient(135deg,#1e3a5f,#0f172a);border-radius:16px;padding:24px;border:1px solid #1e40af}.insights-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.insights-header h3{margin:0;color:#f8fafc}.ai-badge{background:#3b82f6;color:#fff;padding:4px 12px;border-radius:20px;font-size:.75rem;font-weight:500}.loading{display:flex;align-items:center;gap:12px;color:#94a3b8}.spinner{width:24px;height:24px;border:3px solid #1e40af;border-top-color:#3b82f6;border-radius:50%;animation:spin 1s linear infinite}@keyframes 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10px;border-radius:20px;font-size:.75rem;font-weight:600}.status-badge.approved{background:#22c55e20;color:#22c55e}.status-badge.pending{background:#f59e0b20;color:#f59e0b}.project-description{color:#94a3b8;line-height:1.6;margin:0 0 20px}.project-footer{display:flex;justify-content:space-between;align-items:center;padding-top:16px;border-top:1px solid #334155}.savings{display:flex;flex-direction:column}.savings-value{font-size:1.25rem;font-weight:700;color:#22c55e}.savings-label{font-size:.75rem;color:#64748b}.evidence{display:flex;align-items:center;gap:8px;font-size:.875rem;color:#64748b}.challenges{max-width:1400px;margin:0 auto}.challenges-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:32px}.challenges-header h1{font-size:2rem;font-weight:700;color:#f8fafc;margin:0}.stats-bar{display:flex;gap:24px;background:#1e293b;border-radius:16px;padding:20px 24px;margin-bottom:32px;border:1px solid #334155}.stat-item{display:flex;align-items:center;gap:10px;color:#94a3b8;font-weight:500}.stat-item svg{color:#22c55e}.challenges-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:24px}.challenge-card{background:#1e293b;border-radius:20px;padding:24px;border:1px solid #334155;display:flex;flex-direction:column;gap:20px}.challenge-top{flex:1}.challenge-meta{display:flex;gap:16px;margin-bottom:12px}.days-left,.participants{display:flex;align-items:center;gap:6px;font-size:.875rem;color:#64748b}.participants{color:#3b82f6}.challenge-card h3{margin:0 0 8px;color:#f8fafc;font-size:1.25rem}.challenge-description{color:#94a3b8;line-height:1.6;margin:0}.challenge-progress{background:#0f172a;border-radius:12px;padding:16px}.progress-header{display:flex;justify-content:space-between;margin-bottom:8px}.progress-label{font-size:.875rem;color:#94a3b8}.progress-value{font-size:.875rem;color:#22c55e;font-weight:500}.progress-bar{height:8px;background:#334155;border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#22c55e,#16a34a);border-radius:4px;transition:width .3s 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h1{font-size:2rem;font-weight:700;color:#f8fafc;margin:0}.subtitle{color:#64748b;margin-top:4px}.cart-summary{display:flex;align-items:center;gap:12px;background:#1e293b;padding:12px 20px;border-radius:12px;border:1px solid #334155;color:#94a3b8}.cart-total{font-weight:700;color:#22c55e}.filters{display:flex;gap:12px;margin-bottom:32px}.filter-btn{padding:10px 20px;border-radius:10px;border:1px solid #334155;background:#1e293b;color:#94a3b8;font-weight:500;cursor:pointer;transition:all .2s ease}.filter-btn:hover{border-color:#22c55e;color:#f8fafc}.filter-btn.active{background:#22c55e;border-color:#22c55e;color:#fff}.credits-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px;margin-bottom:100px}.credit-card{background:#1e293b;border-radius:20px;overflow:hidden;border:1px solid #334155;transition:all .2s 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ease}.demo-btn:hover{border-color:#22c55e;color:#f8fafc}.auth-switch{text-align:center;color:#64748b;margin-top:24px}.auth-switch button{background:none;border:none;color:#22c55e;font-weight:600;cursor:pointer}.auth-bg{flex:1;background:linear-gradient(135deg,#0f172a,#1e3a5f);display:flex;align-items:center;justify-content:center;padding:48px}.bg-content{max-width:480px;text-align:center}.bg-content h2{font-size:2.5rem;font-weight:700;color:#f8fafc;margin:0 0 16px}.bg-content p{color:#94a3b8;font-size:1.125rem;margin:0 0 32px;line-height:1.7}.features{display:flex;flex-direction:column;gap:16px}.feature{display:flex;align-items:center;gap:12px;background:#ffffff0d;padding:16px 24px;border-radius:12px;color:#f8fafc;font-weight:500}.feature-icon{font-size:1.25rem}@media(max-width:768px){.auth-bg{display:none}}.layout{display:flex;min-height:100vh;background:#0f172a}.sidebar{width:260px;background:linear-gradient(180deg,#1e293b,#0f172a);border-right:1px solid #1e293b;padding:24px 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