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var(--border);flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.5rem;display:flex}.empty-state{padding:var(--space-3xl);text-align:center;color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;display:flex}.empty-state-icon{margin-bottom:var(--space-md);opacity:.5;font-size:3rem}.empty-state h3{margin-bottom:var(--space-sm);color:var(--text)}.tag{border-radius:var(--radius-full);color:var(--primary);text-transform:lowercase;background:#2e7d321a;border:1px solid #2e7d3233;align-items:center;padding:.2rem .6rem;font-size:.7rem;font-weight:600;display:inline-flex}.tag:before{content:"#"}.section-heading{margin-bottom:var(--space-lg);justify-content:space-between;align-items:center;display:flex}.section-heading h2{color:var(--text);align-items:center;gap:var(--space-sm);font-size:1.25rem;display:flex}.divider{border:none;border-top:1px solid var(--border);margin:var(--space-lg) 0}.toast{background:var(--primary);color:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);align-items:center;gap:var(--space-sm);z-index:9999;max-width:320px;padding:.875rem 1.25rem;font-size:.9rem;font-weight:500;animation:.3s slideInRight,.3s 2.5s forwards fadeOut;display:flex;position:fixed;bottom:2rem;right:2rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeOut{0%{opacity:1}to{opacity:0;pointer-events:none}}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes slideInRight{0%{opacity:0;transform:translate(100px)}to{opacity:1;transform:translate(0)}}@keyframes shimmer{0%{opacity:.4}50%{opacity:0}to{opacity:.4}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes growLeaf{0%{opacity:0;transform:scale(0)rotate(-20deg)}60%{transform:scale(1.1)rotate(5deg)}to{opacity:1;transform:scale(1)rotate(0)}}@keyframes 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drawLine{0%{stroke-dashoffset:1000px}to{stroke-dashoffset:0}}.text-primary{color:var(--primary)}.text-muted{color:var(--text-muted)}.text-sm{font-size:.875rem}.text-xs{font-size:.75rem}.text-center{text-align:center}.fw-bold{font-weight:700}.fw-semi{font-weight:600}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.mb-sm{margin-bottom:var(--space-sm)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}.mt-md{margin-top:var(--space-md)}.w-full{width:100%}@media (width<=1024px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}}@media (width<=768px){.dashboard-main{margin-left:0}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.page-content{padding:var(--space-md)}.modal{padding:var(--space-lg)}}@media 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var(--accent));-webkit-text-fill-color:transparent;-webkit-background-clip:text;display:inline-block}.hero-subtitle{color:var(--text-muted);margin-bottom:var(--space-xl);max-width:540px;font-size:1.125rem;line-height:1.6}.hero-actions{gap:var(--space-md);display:flex}.hero-visual{justify-content:center;align-items:center;height:500px;display:flex;position:relative}.planet-container{justify-content:center;align-items:center;width:120px;height:120px;display:flex;position:relative}.planet{z-index:10;font-size:5rem;animation:4s ease-in-out infinite float}.orbit{border:1px dashed var(--border);border-radius:50%;animation:linear infinite 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counterSpin{to{transform:translate(-50%)rotate(-360deg)}}.features-section{padding:var(--space-3xl) var(--space-xl);border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:#fff}.section-header{margin-bottom:var(--space-3xl)}.section-header h2{margin-bottom:var(--space-sm);font-size:2.5rem}.features-grid{gap:var(--space-xl);max-width:var(--content-max-width);grid-template-columns:repeat(4,1fr);margin:0 auto;display:grid}.feature-card{padding:var(--space-xl);background:var(--bg);border-radius:var(--radius-lg);text-align:center;transition:var(--transition-normal);border:1px solid #0000}.feature-card:hover{box-shadow:var(--shadow-lg);border-color:var(--border);background:#fff;transform:translateY(-5px)}.feature-icon{border-radius:var(--radius-lg);width:64px;height:64px;margin:0 auto var(--space-md);justify-content:center;align-items:center;font-size:2rem;display:flex}.feature-icon.green{background:#2e7d321a}.feature-icon.blue{background:#4fc3f726}.feature-icon.orange{background:#ffb74d26}.feature-icon.purple{background:#ce93d826}.feature-card h3{margin-bottom:var(--space-sm);font-size:1.25rem}.feature-card p{color:var(--text-muted);font-size:.95rem}.cta-section{padding:var(--space-3xl) var(--space-xl);background:linear-gradient(135deg, var(--bg) 0%, #e8f5e9 100%);justify-content:center;display:flex}.cta-content{padding:var(--space-3xl);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);border:1px solid var(--border);background:#fff;width:100%;max-width:800px}.cta-content h2{margin-bottom:var(--space-sm);color:var(--primary-dark);font-size:2.5rem}.cta-content p{color:var(--text-muted);font-size:1.1rem}.footer{text-align:center;padding:var(--space-lg);border-top:1px solid var(--border);color:var(--text-muted);background:#fff;font-weight:500}@media (width<=1024px){.hero-section{text-align:center;padding-top:var(--space-3xl);grid-template-columns:1fr}.hero-content{align-items:center}.hero-actions{justify-content:center}.hero-visual{height:400px;margin-top:var(--space-xl)}.features-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=768px){.hero-title{font-size:2.5rem}.hero-actions{flex-direction:column;width:100%}.hero-actions .btn{justify-content:center;width:100%}.features-grid{grid-template-columns:1fr}.orbit-3,.orbit-4{display:none}}.auth-page{background:linear-gradient(135deg, var(--bg) 0%, #e8f5e9 100%);min-height:100vh;padding:var(--space-xl);justify-content:center;align-items:center;display:flex}.auth-container{flex-direction:column;align-items:center;width:100%;max-width:440px;display:flex}.auth-logo{font-family:var(--font-heading);color:var(--text);margin-bottom:var(--space-xl);align-items:center;gap:.5rem;font-size:1.8rem;font-weight:800;display:flex}.auth-logo .logo-icon{font-size:2rem;animation:3s ease-in-out infinite float}.auth-logo .logo-text span{color:var(--primary)}.auth-card{width:100%;padding:var(--space-2xl);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);background:#fff}.auth-card h2{margin-bottom:var(--space-xs);text-align:center;font-size:1.8rem}.auth-subtitle{color:var(--text-muted);text-align:center;margin-bottom:var(--space-xl)}.auth-form{flex-direction:column;display:flex}.auth-error{border-radius:var(--radius-md);margin-bottom:var(--space-md);background:#ef53501a;justify-content:center;padding:.75rem;font-weight:500}.auth-footer{margin-top:var(--space-xl);text-align:center;color:var(--text-muted);font-size:.9rem}.auth-footer a{color:var(--primary);transition:var(--transition-fast);margin-left:.25rem;font-weight:600}.auth-footer a:hover{text-decoration:underline}@media (width<=480px){.auth-card{padding:var(--space-xl)}}.progress-track-sm{height:5px}.progress-track-md{height:8px}.progress-track-lg{height:12px}.progress-fill-green{background:linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%)}.progress-fill-blue{background:linear-gradient(90deg, var(--accent-dark) 0%, var(--accent) 100%)}.progress-fill-orange{background:linear-gradient(90deg, #e65100 0%, var(--warning) 100%)}.progress-fill-purple{background:linear-gradient(90deg, #7b1fa2 0%, var(--purple) 100%)}.progress-percent{color:var(--primary);font-weight:600}.progress-percent.complete{color:var(--success)}.dashboard-grid{gap:var(--space-xl);grid-template-columns:2fr 1fr;display:grid}.mb-xl{margin-bottom:var(--space-xl)}.dash-goals-list{gap:var(--space-lg);flex-direction:column;display:flex}.dash-goal-item{padding:var(--space-md);border-radius:var(--radius-md);background:var(--bg);border:1px solid var(--border)}.dash-goal-header{margin-bottom:var(--space-sm);justify-content:space-between;align-items:center;display:flex}.dash-goal-title{font-size:.95rem;font-weight:600}.impact-visual{margin-top:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--border);justify-content:space-around;display:flex}.impact-item{align-items:center;gap:var(--space-sm);display:flex}.impact-icon{background:var(--bg);border-radius:var(--radius-full);justify-content:center;align-items:center;width:50px;height:50px;font-size:2rem;display:flex}.impact-info{flex-direction:column;display:flex}.impact-info strong{color:var(--primary-dark);font-size:1.1rem}.impact-info span{color:var(--text-muted);font-size:.8rem}.activity-feed{gap:var(--space-md);flex-direction:column;display:flex}.activity-item{gap:var(--space-md);padding-bottom:var(--space-md);border-bottom:1px solid var(--border);display:flex;position:relative}.activity-item:last-child{border-bottom:none;padding-bottom:0}.activity-icon{border-radius:var(--radius-full);background:var(--bg);flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.2rem;display:flex}.activity-content{flex:1}.activity-title{color:var(--text);margin-bottom:2px;font-size:.9rem;font-weight:600}.activity-desc{color:var(--text-muted);font-size:.8rem}.activity-time{color:var(--text-light);margin-top:4px;font-size:.75rem}.activity-points{color:var(--success);border-radius:var(--radius-full);background:#66bb6a1a;height:fit-content;padding:2px 8px;font-size:.85rem;font-weight:700}@media (width<=1024px){.dashboard-grid{grid-template-columns:1fr}}@media (width<=768px){.impact-visual{gap:var(--space-md);flex-direction:column}}.modal-sm{max-width:380px}.modal-md{max-width:520px}.modal-lg{max-width:720px}.modal-body{max-height:calc(90vh - 120px);overflow-y:auto}.goals-grid{gap:var(--space-xl);grid-template-columns:repeat(auto-fill,minmax(320px,1fr));display:grid}.goal-card{flex-direction:column;display:flex}.goal-card-header{margin-bottom:var(--space-sm);justify-content:space-between;align-items:flex-start;display:flex}.goal-icon{border-radius:var(--radius-lg);justify-content:center;align-items:center;width:48px;height:48px;font-size:1.5rem;display:flex}.goal-icon.waste{background:#2e7d321a}.goal-icon.water{background:#4fc3f726}.goal-icon.energy{background:#ffb74d26}.goal-icon.transport{background:#ce93d826}.goal-icon.food{background:#ef53501a}.goal-title{margin-bottom:var(--space-xs);font-size:1.125rem}.goal-desc{color:var(--text-muted);margin-bottom:var(--space-md);flex:1;font-size:.875rem}.goal-progress-section{margin-bottom:var(--space-md)}.goal-footer{padding-top:var(--space-md);border-top:1px solid var(--border);justify-content:space-between;align-items:center;margin-top:auto;display:flex}.goal-points{color:var(--text);font-size:.9rem;font-weight:600}.text-success{color:var(--success)}.leaderboard{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);overflow:hidden}.leaderboard-header{padding:var(--space-sm) var(--space-md);border-bottom:1px solid var(--border);text-transform:uppercase;color:var(--text-muted);letter-spacing:.05em;background:#2e7d320d;grid-template-columns:60px 1fr 100px 80px;font-size:.8rem;font-weight:700;display:grid}.leaderboard-header span:nth-child(3),.leaderboard-header span:nth-child(4){text-align:right}.leaderboard-list{flex-direction:column;display:flex}.leaderboard-item{padding:var(--space-sm) var(--space-md);border-bottom:1px solid var(--border);transition:var(--transition-fast);grid-template-columns:60px 1fr 100px 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var(--secondary);background:#ffffff26;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.3rem;display:flex}.sidebar-user-info{overflow:hidden}.sidebar-user-name{white-space:nowrap;text-overflow:ellipsis;font-size:.875rem;font-weight:600;overflow:hidden}.sidebar-user-level{color:var(--secondary);text-transform:uppercase;letter-spacing:.05em;font-size:.7rem;font-weight:500}.sidebar-points{margin:0 var(--space-md);border-radius:var(--radius-full);color:#ffd54f;background:#ffffff1a;align-items:center;gap:.375rem;width:fit-content;padding:.375rem .75rem;font-size:.8rem;font-weight:600;display:flex}.sidebar-divider{margin:var(--space-md) 0 var(--space-sm);border:none;border-top:1px solid #ffffff1a}.sidebar-nav{scrollbar-width:none;flex:1;padding:0 .5rem;overflow-y:auto}.sidebar-nav::-webkit-scrollbar{display:none}.sidebar-nav ul{flex-direction:column;gap:2px;list-style:none;display:flex}.sidebar-link{border-radius:var(--radius-md);color:#ffffffb3;transition:var(--transition-fast);white-space:nowrap;align-items:center;gap:.75rem;padding:.7rem .875rem;font-size:.9rem;font-weight:500;display:flex;overflow:hidden}.sidebar-link:hover{color:#fff;background:#ffffff1a;transform:translate(3px)}.sidebar-link.active{color:#fff;box-shadow:inset 3px 0 0 var(--secondary);background:#ffffff2e}.sidebar-link-icon{text-align:center;flex-shrink:0;width:24px;font-size:1.1rem}.sidebar-link-label{white-space:nowrap}.sidebar-bottom{padding:var(--space-md) .5rem;border-top:1px solid #ffffff1a;flex-direction:column;gap:4px;display:flex}.sidebar-collapse-btn,.sidebar-logout{border-radius:var(--radius-md);color:#fff9;cursor:pointer;width:100%;transition:var(--transition-fast);white-space:nowrap;background:0 0;border:none;align-items:center;gap:.75rem;padding:.6rem .875rem;font-size:.85rem;font-weight:500;display:flex}.sidebar-collapse-btn:hover{color:#fff;background:#ffffff1a}.sidebar-logout:hover{color:#ef9a9a;background:#ef535033}.sidebar-mobile-toggle{z-index:300;border-radius:var(--radius-md);background:var(--primary);color:#fff;cursor:pointer;width:44px;height:44px;box-shadow:var(--shadow-md);transition:var(--transition-fast);border:none;justify-content:center;align-items:center;font-size:1.1rem;display:none;position:fixed;top:1rem;left:1rem}.sidebar-mobile-toggle:hover{background:var(--primary-dark)}.sidebar-overlay{z-index:199;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#00000080;display:none;position:fixed;inset:0}@media (width<=768px){.sidebar{transform:translate(-100%);width:var(--sidebar-width)!important}.sidebar.mobile-open{transform:translate(0)}.sidebar-mobile-toggle{display:flex}.sidebar-overlay{display:block}}