:root{--bg-primary: #08090d;--bg-secondary: #0f111a;--bg-tertiary: #161926;--glass-bg: rgba(16, 18, 27, .55);--glass-border: rgba(255, 255, 255, .06);--glass-glow: rgba(139, 92, 246, .15);--color-primary: #8b5cf6;--color-primary-glow: rgba(139, 92, 246, .4);--color-secondary: #06b6d4;--color-secondary-glow: rgba(6, 182, 212, .4);--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--text-primary: #f3f4f6;--text-secondary: #9ca3af;--text-muted: #6b7280;--font-headings: "Space Grotesk", system-ui, sans-serif;--font-body: "Inter", system-ui, sans-serif;--font-code: "Fira Code", monospace;--border-radius-sm: 8px;--border-radius-md: 12px;--border-radius-lg: 20px;--shadow-sm: 0 2px 8px rgba(0,0,0,.5);--shadow-md: 0 8px 24px rgba(0,0,0,.6);--shadow-lg: 0 16px 40px rgba(0,0,0,.8);--glow-shadow: 0 0 25px var(--color-primary-glow);--transition-fast: .2s ease;--transition-normal: .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: .5s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0;scrollbar-width:thin;scrollbar-color:var(--bg-tertiary) transparent}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--color-primary-glow)}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-body);-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden;position:relative}body:before{content:"";position:fixed;top:-10%;left:-10%;width:50%;height:50%;background:radial-gradient(circle,rgba(139,92,246,.08) 0%,transparent 70%);z-index:-1;pointer-events:none;filter:blur(80px)}body:after{content:"";position:fixed;bottom:-10%;right:-10%;width:60%;height:60%;background:radial-gradient(circle,rgba(6,182,212,.06) 0%,transparent 70%);z-index:-1;pointer-events:none;filter:blur(100px)}h1,h2,h3,h4,h5,h6{font-family:var(--font-headings);font-weight:600;line-height:1.2}a{color:var(--color-secondary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary)}#app{min-height:100vh;display:flex;flex-direction:column}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}.flex{display:flex}.flex-col{flex-direction:column}.align-center{align-items:center}.justify-between{justify-content:space-between}.grid{display:grid}.btn{font-family:var(--font-headings);font-size:1rem;font-weight:500;padding:12px 24px;border-radius:var(--border-radius-sm);border:1px solid transparent;cursor:pointer;transition:all var(--transition-normal);display:inline-flex;align-items:center;justify-content:center;gap:8px;outline:none;text-decoration:none}.btn-primary{background:linear-gradient(135deg,var(--color-primary),#7c3aed);color:#fff;box-shadow:0 4px 15px #8b5cf64d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #8b5cf680,0 0 10px #8b5cf633}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-tertiary);border:1px solid var(--glass-border);color:var(--text-primary)}.btn-secondary:hover{background:#ffffff0d;border-color:var(--text-secondary);color:#fff;transform:translateY(-2px)}.btn-accent{background:linear-gradient(135deg,var(--color-secondary),#0891b2);color:#fff;box-shadow:0 4px 15px #06b6d44d}.btn-accent:hover{transform:translateY(-2px);box-shadow:0 6px 20px #06b6d480}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none!important}.input-group{margin-bottom:20px;display:flex;flex-direction:column;gap:8px}.input-group label{font-family:var(--font-headings);font-size:.9rem;font-weight:500;color:var(--text-secondary)}.input-control{background:var(--bg-tertiary);border:1px solid var(--glass-border);border-radius:var(--border-radius-sm);padding:12px 16px;color:var(--text-primary);font-family:var(--font-body);font-size:1rem;transition:all var(--transition-fast);outline:none}.input-control:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #8b5cf626}.glass-card{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--border-radius-md);box-shadow:var(--shadow-md);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:24px;position:relative;overflow:hidden;transition:border-color var(--transition-normal),box-shadow var(--transition-normal)}.glass-card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.05),transparent)}.glass-card:hover{border-color:#ffffff1a}.landing-navbar{padding:20px 0;border-bottom:1px solid var(--glass-border);background:#08090dcc;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:sticky;top:0;z-index:100}.logo{font-family:var(--font-headings);font-size:1.5rem;font-weight:700;color:#fff;display:flex;align-items:center;gap:8px}.logo-icon{background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;box-shadow:0 0 10px var(--color-primary-glow)}.hero-section{padding:100px 0 60px;text-align:center;position:relative}.hero-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:400px;height:400px;background:radial-gradient(circle,rgba(139,92,246,.15) 0%,transparent 60%);z-index:-1;pointer-events:none}.hero-section h1{font-size:4rem;margin-bottom:24px;background:linear-gradient(135deg,#fff 40%,var(--text-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.03em}.hero-section h1 span{background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-sub{font-size:1.25rem;color:var(--text-secondary);max-width:700px;margin:0 auto 40px;line-height:1.6}.hero-cta{display:flex;gap:16px;justify-content:center}.flowchart-container{margin:60px auto;max-width:900px;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--border-radius-lg);padding:40px;box-shadow:var(--shadow-lg)}.flowchart-title{text-align:center;font-family:var(--font-headings);font-size:1.5rem;margin-bottom:30px}.flowchart{display:flex;justify-content:space-between;align-items:center;position:relative;flex-wrap:wrap;gap:20px}.flow-step{background:var(--bg-tertiary);border:1px solid var(--glass-border);border-radius:var(--border-radius-md);padding:20px;width:calc(20% - 16px);min-width:140px;text-align:center;position:relative;z-index:2;box-shadow:var(--shadow-sm);transition:all var(--transition-normal)}.flow-step:hover{transform:translateY(-5px);border-color:var(--color-secondary);box-shadow:0 8px 20px #06b6d433}.flow-step-icon{width:40px;height:40px;border-radius:50%;background:#06b6d41a;color:var(--color-secondary);display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-size:1.2rem}.flow-step:nth-child(2n) .flow-step-icon{background:#8b5cf61a;color:var(--color-primary)}.flow-step h4{font-size:1rem;margin-bottom:6px}.flow-step p{font-size:.8rem;color:var(--text-secondary)}.flow-connector{position:absolute;top:50%;left:0;width:100%;height:2px;background:linear-gradient(90deg,var(--color-secondary),var(--color-primary));opacity:.3;z-index:1}.landing-section{padding:80px 0}.landing-section h2{font-size:2.2rem;text-align:center;margin-bottom:50px}.three-steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}.step-card{padding:30px}.step-num{font-family:var(--font-headings);font-size:3rem;font-weight:700;background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:12px}.step-card h3{font-size:1.4rem;margin-bottom:12px}.step-card p{color:var(--text-secondary);line-height:1.6}.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}.why-card{padding:24px;display:flex;flex-direction:column;gap:12px}.why-card-icon{font-size:1.8rem;color:var(--color-primary)}.why-card h3{font-size:1.1rem}.why-card p{font-size:.9rem;color:var(--text-secondary);line-height:1.5}.auth-container{display:flex;align-items:center;justify-content:center;padding:60px 24px;flex:1}.auth-card{width:100%;max-width:480px;padding:40px}.auth-header{text-align:center;margin-bottom:30px}.auth-header h2{font-size:2rem;margin-bottom:8px}.auth-header p{color:var(--text-secondary)}.auth-switch{margin-top:20px;text-align:center;font-size:.9rem;color:var(--text-secondary)}.onboard-container{max-width:600px;margin:60px auto;padding:40px}.progress-bar-container{background:var(--bg-tertiary);border-radius:10px;height:8px;width:100%;margin-bottom:40px;overflow:hidden}.onboard-progress{height:100%;background:linear-gradient(90deg,var(--color-primary),var(--color-secondary));width:33.3%;transition:width var(--transition-normal)}.onboard-step h2{font-size:1.8rem;margin-bottom:12px}.onboard-step>p{color:var(--text-secondary);margin-bottom:30px}.card-selector-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:16px;margin-bottom:30px}.selector-card{background:var(--bg-tertiary);border:1px solid var(--glass-border);border-radius:var(--border-radius-md);padding:20px;text-align:center;cursor:pointer;transition:all var(--transition-fast)}.selector-card:hover{border-color:var(--color-primary-glow);background:#8b5cf60d}.selector-card.selected{border-color:var(--color-primary);background:#8b5cf61f;box-shadow:0 0 15px #8b5cf626}.selector-card-icon{font-size:2rem;margin-bottom:12px;display:block}.selector-card span{font-weight:500;font-size:.95rem}.onboard-nav{display:flex;justify-content:space-between;margin-top:30px}.assess-container{max-width:800px;margin:60px auto}.assess-header{margin-bottom:30px;display:flex;justify-content:space-between;align-items:center}.timer-container{display:flex;align-items:center;gap:8px;background:#ffffff0a;padding:8px 14px;border-radius:20px;border:1px solid var(--glass-border);font-family:var(--font-code);font-size:.9rem}.timer-icon{color:var(--color-warning)}.question-container{margin-bottom:30px}.question-category{text-transform:uppercase;font-size:.8rem;font-weight:700;letter-spacing:.1em;color:var(--color-secondary);margin-bottom:8px;display:block}.question-text{font-size:1.4rem;line-height:1.5;margin-bottom:24px}.options-list{display:flex;flex-direction:column;gap:12px;margin-bottom:30px}.option-btn{background:var(--bg-tertiary);border:1px solid var(--glass-border);border-radius:var(--border-radius-sm);padding:16px 20px;text-align:left;color:var(--text-primary);font-size:1rem;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center}.option-btn:hover{background:#ffffff08;border-color:#ffffff26}.option-btn.selected{background:#06b6d41a;border-color:var(--color-secondary)}.option-num{width:24px;height:24px;border-radius:50%;background:#ffffff0f;display:flex;align-items:center;justify-content:center;margin-right:16px;font-size:.85rem;font-weight:600}.option-btn.selected .option-num{background:var(--color-secondary);color:#000}.confidence-section{background:#ffffff05;border-radius:var(--border-radius-sm);padding:20px;border:1px dashed var(--glass-border);margin-bottom:30px}.confidence-title{font-family:var(--font-headings);font-size:1rem;margin-bottom:12px;text-align:center}.confidence-options{display:flex;justify-content:center;gap:16px}.confidence-btn{background:var(--bg-tertiary);border:1px solid var(--glass-border);border-radius:20px;padding:10px 20px;font-size:.9rem;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}.confidence-btn:hover{color:var(--text-primary);border-color:var(--color-primary-glow)}.confidence-btn.selected{background:#8b5cf626;border-color:var(--color-primary);color:#fff}.dashboard-layout{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--bg-secondary);border-right:1px solid var(--glass-border);padding:30px 20px;display:flex;flex-direction:column;justify-content:space-between;position:sticky;top:0;height:100vh}.sidebar-top{display:flex;flex-direction:column;gap:40px}.sidebar-logo{font-size:1.3rem}.sidebar-menu{display:flex;flex-direction:column;gap:8px;list-style:none}.menu-item button{background:transparent;border:none;width:100%;text-align:left;color:var(--text-secondary);padding:12px 16px;border-radius:var(--border-radius-sm);font-family:var(--font-headings);font-size:.95rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;gap:12px}.menu-item button:hover{background:#ffffff08;color:var(--text-primary)}.menu-item.active button{background:#8b5cf61a;color:#fff;border-left:3px solid var(--color-primary);border-radius:0 var(--border-radius-sm) var(--border-radius-sm) 0}.menu-item-icon{font-size:1.1rem;width:20px;text-align:center}.sidebar-user{background:var(--bg-tertiary);border:1px solid var(--glass-border);border-radius:var(--border-radius-sm);padding:12px 14px;display:flex;align-items:center;gap:10px;cursor:pointer}.user-avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.9rem}.user-info{display:flex;flex-direction:column;overflow:hidden}.user-name{font-size:.85rem;font-weight:600;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.user-role{font-size:.7rem;color:var(--text-muted)}.dashboard-content{padding:40px;overflow-y:auto;max-width:1200px;width:100%;margin:0 auto}.dashboard-header{margin-bottom:30px}.dashboard-header h1{font-size:2.2rem;margin-bottom:6px}.dashboard-header p{color:var(--text-secondary)}.dashboard-grid{display:grid;grid-template-columns:2fr 1fr;gap:30px;margin-bottom:30px}@media (max-width: 1024px){.dashboard-grid{grid-template-columns:1fr}}.learning-twin-card{display:flex;gap:30px;align-items:center;background:radial-gradient(circle at top right,rgba(139,92,246,.08) 0%,var(--glass-bg) 70%)}.twin-avatar-container{position:relative;width:160px;height:160px;flex-shrink:0}.twin-gauge{width:100%;height:100%;transform:rotate(-90deg)}.twin-gauge-bg{fill:none;stroke:#ffffff08;stroke-width:8}.twin-gauge-fill{fill:none;stroke:url(#twin-grad);stroke-width:8;stroke-linecap:round;stroke-dasharray:440;stroke-dashoffset:440;transition:stroke-dashoffset var(--transition-slow)}.twin-avatar-center{position:absolute;top:10px;left:10px;width:140px;height:140px;border-radius:50%;background:var(--bg-secondary);display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px solid var(--glass-border)}.twin-percentage{font-family:var(--font-headings);font-size:2rem;font-weight:700;color:#fff}.twin-label{font-size:.75rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-top:2px}.twin-details{flex:1}.twin-name{font-size:1.5rem;margin-bottom:6px}.twin-status{font-size:.9rem;color:var(--text-secondary);margin-bottom:16px}.twin-topics-summary{display:flex;gap:12px;flex-wrap:wrap}.topic-tag{font-size:.75rem;padding:6px 12px;border-radius:20px;display:inline-flex;align-items:center;gap:6px;font-weight:500}.topic-tag-strong{background:#10b9811a;color:var(--color-success);border:1px solid rgba(16,185,129,.2)}.topic-tag-developing{background:#f59e0b1a;color:var(--color-warning);border:1px solid rgba(245,158,11,.2)}.topic-tag-weak{background:#ef44441a;color:var(--color-error);border:1px solid rgba(239,68,68,.2)}.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:30px}@media (max-width: 768px){.stats-row{grid-template-columns:repeat(2,1fr)}}.stat-card{padding:20px;text-align:center}.stat-val{font-family:var(--font-headings);font-size:1.8rem;font-weight:700;color:#fff;margin-bottom:4px}.stat-label{font-size:.8rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.path-timeline{display:flex;flex-direction:column;gap:16px;position:relative;padding-left:20px;margin-top:16px}.path-timeline:before{content:"";position:absolute;top:10px;bottom:10px;left:4px;width:2px;background:var(--glass-border)}.path-item{position:relative;display:flex;flex-direction:column;gap:4px}.path-item-dot{position:absolute;left:-20px;top:6px;width:10px;height:10px;border-radius:50%;background:var(--text-muted);border:2px solid var(--bg-primary);z-index:2;transition:all var(--transition-fast)}.path-item.completed .path-item-dot{background:var(--color-success);box-shadow:0 0 8px var(--color-success)}.path-item.current .path-item-dot{background:var(--color-secondary);box-shadow:0 0 8px var(--color-secondary);transform:scale(1.2)}.path-item.locked .path-item-dot{background:var(--text-muted)}.path-item h4{font-size:.95rem;font-weight:600;display:flex;align-items:center;gap:8px}.path-item h4 span{font-size:.75rem;padding:2px 6px;border-radius:4px;font-weight:500}.path-item p{font-size:.85rem;color:var(--text-secondary)}.map-canvas-container{width:100%;background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--border-radius-md);padding:30px;position:relative;overflow:hidden}.knowledge-svg{width:100%;height:auto;min-height:400px;display:block}.map-node{cursor:pointer}.map-node circle{fill:var(--bg-tertiary);stroke:var(--glass-border);stroke-width:2px;transition:all var(--transition-normal)}.map-node:hover circle{stroke-width:4px;filter:drop-shadow(0 0 8px var(--color-primary-glow))}.map-node.unlocked.mastered circle{stroke:var(--color-success);fill:#10b9811a}.map-node.unlocked.developing circle{stroke:var(--color-warning);fill:#f59e0b1a}.map-node.unlocked.weak circle{stroke:var(--color-error);fill:#ef44441a}.map-node.current-target circle{stroke:var(--color-secondary);fill:#06b6d41a;stroke-width:3px;animation:pulse-node 2s infinite}.map-node.locked circle{stroke:var(--text-muted);fill:#0a0b10;stroke-dasharray:4,4}.map-node text{font-family:var(--font-headings);font-size:11px;font-weight:500;fill:var(--text-secondary);text-anchor:middle;transition:fill var(--transition-fast)}.map-node.unlocked text{fill:var(--text-primary);font-weight:600}.map-link{fill:none;stroke:var(--glass-border);stroke-width:2px;transition:stroke var(--transition-normal)}.map-link.unlocked{stroke:#06b6d466}.map-link.highlighted{stroke:var(--color-primary);stroke-width:3px}@keyframes pulse-node{0%{filter:drop-shadow(0 0 2px var(--color-secondary-glow))}50%{filter:drop-shadow(0 0 10px var(--color-secondary-glow))}to{filter:drop-shadow(0 0 2px var(--color-secondary-glow))}}.map-detail-panel{margin-top:20px;background:var(--bg-tertiary);border:1px solid var(--glass-border);border-radius:var(--border-radius-sm);padding:16px;display:none}.map-detail-panel.active{display:block;animation:fadeIn var(--transition-normal)}.tutor-layout{display:grid;grid-template-rows:1fr auto;height:calc(100vh - 200px);min-height:500px}.chat-history{overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:20px;border:1px solid var(--glass-border);border-radius:var(--border-radius-md) var(--border-radius-md) 0 0;background:#0a0b1066}.chat-bubble{max-width:80%;padding:16px 20px;border-radius:var(--border-radius-md);line-height:1.5;font-size:.95rem;position:relative;animation:floatIn .3s ease-out}.chat-bubble-tutor{background:var(--bg-tertiary);border:1px solid var(--glass-border);color:var(--text-primary);align-self:flex-start;border-bottom-left-radius:2px}.chat-bubble-user{background:linear-gradient(135deg,var(--color-primary),#7c3aed);color:#fff;align-self:flex-end;border-bottom-right-radius:2px;box-shadow:0 4px 12px #8b5cf626}.chat-sender-label{font-family:var(--font-headings);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px;color:var(--color-secondary)}.chat-bubble-user .chat-sender-label{color:#ffffffb3}.tutor-suggestions{display:flex;gap:10px;overflow-x:auto;padding:12px;background:var(--bg-secondary);border-left:1px solid var(--glass-border);border-right:1px solid var(--glass-border)}.suggestion-chip{background:var(--bg-tertiary);border:1px solid var(--glass-border);border-radius:20px;padding:8px 16px;font-size:.85rem;color:var(--text-secondary);cursor:pointer;white-space:nowrap;transition:all var(--transition-fast)}.suggestion-chip:hover{border-color:var(--color-secondary);color:#fff;background:#06b6d40d}.chat-input-area{display:flex;gap:12px;padding:20px;background:var(--bg-tertiary);border:1px solid var(--glass-border);border-top:none;border-radius:0 0 var(--border-radius-md) var(--border-radius-md)}.chat-textarea{flex:1;background:var(--bg-primary);border:1px solid var(--glass-border);border-radius:var(--border-radius-sm);padding:12px 16px;color:var(--text-primary);font-family:var(--font-body);font-size:.95rem;resize:none;height:48px;outline:none;transition:border-color var(--transition-fast)}.chat-textarea:focus{border-color:var(--color-primary)}.practice-layout{display:grid;grid-template-columns:1fr 1fr;gap:30px;min-height:500px}@media (max-width: 768px){.practice-layout{grid-template-columns:1fr}}.practice-question-panel{display:flex;flex-direction:column;justify-content:space-between}.practice-feedback-card{margin-top:20px;padding:20px;background:#ffffff05;border-radius:var(--border-radius-sm);border-left:4px solid var(--color-secondary);display:none}.practice-feedback-card.active{display:block;animation:fadeIn var(--transition-normal)}.feedback-success{border-left-color:var(--color-success)}.feedback-error{border-left-color:var(--color-error)}.code-editor-panel{display:flex;flex-direction:column;background:#06070a;border:1px solid var(--glass-border);border-radius:var(--border-radius-md);overflow:hidden}.editor-header{background:var(--bg-tertiary);padding:12px 20px;border-bottom:1px solid var(--glass-border);font-family:var(--font-headings);font-size:.85rem;color:var(--text-secondary);display:flex;justify-content:space-between;align-items:center}.editor-lang{font-family:var(--font-code);font-size:.75rem;background:#ffffff0d;padding:2px 8px;border-radius:4px}.editor-textarea{flex:1;background:transparent;border:none;outline:none;color:#a9b1d6;font-family:var(--font-code);font-size:.95rem;padding:20px;resize:none;min-height:300px;line-height:1.5}.editor-footer{padding:16px 20px;background:var(--bg-tertiary);border-top:1px solid var(--glass-border);display:flex;justify-content:flex-end}pre{background:#0b0c15;border:1px solid var(--glass-border);border-radius:var(--border-radius-sm);padding:14px;overflow-x:auto;margin:12px 0}code{font-family:var(--font-code);font-size:.9rem;color:#38bdf8}.analytics-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}@media (max-width: 768px){.analytics-grid{grid-template-columns:1fr}}.bar-chart-container{display:flex;flex-direction:column;gap:16px;margin-top:20px}.bar-chart-row{display:flex;flex-direction:column;gap:6px}.chart-label-row{display:flex;justify-content:space-between;font-size:.85rem}.chart-bar-bg{height:10px;background:var(--bg-tertiary);border-radius:5px;overflow:hidden}.chart-bar-fill{height:100%;background:linear-gradient(90deg,var(--color-primary),var(--color-secondary));border-radius:5px;width:0%;transition:width var(--transition-slow)}.calibration-chart{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}.calibration-box{background:var(--bg-tertiary);border:1px solid var(--glass-border);border-radius:var(--border-radius-sm);padding:16px;text-align:center}.calibration-num{font-family:var(--font-headings);font-size:2rem;font-weight:700;margin-bottom:4px}.calibration-text{font-size:.75rem;color:var(--text-secondary)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;opacity:1;transition:opacity var(--transition-normal)}.modal-overlay.hidden{opacity:0;pointer-events:none}.modal-card{background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--border-radius-md);width:90%;max-width:480px;box-shadow:var(--shadow-lg);overflow:hidden;animation:scaleUp .3s cubic-bezier(.34,1.56,.64,1)}.modal-header{padding:20px 24px;border-bottom:1px solid var(--glass-border);display:flex;justify-content:space-between;align-items:center}.modal-close-btn{font-size:1.5rem;background:transparent;border:none;color:var(--text-secondary);cursor:pointer}.modal-body{padding:24px;line-height:1.5;color:var(--text-secondary)}.modal-footer{padding:16px 24px;border-top:1px solid var(--glass-border);display:flex;justify-content:flex-end}.hidden{display:none!important}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleUp{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}@keyframes floatIn{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}.animate-fade{animation:fadeIn var(--transition-normal)}