@import"https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&family=Montserrat:wght@400;500;600;700&display=swap";@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";.auth-container{display:flex;min-height:100vh;background:#fff;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica Neue,sans-serif}.auth-left{flex:1;background:linear-gradient(135deg,#3e4af9,#151951);display:flex;align-items:center;justify-content:center;padding:40px 20px;position:relative;overflow:hidden}.auth-left:before{content:"";position:absolute;top:-50%;right:-10%;width:400px;height:400px;background:#ffffff08;border-radius:50%;pointer-events:none}.auth-left-content{position:relative;z-index:2;text-align:center;max-width:400px}.auth-left-content h1{font-size:48px;font-weight:700;color:#fff;line-height:1.2;margin-bottom:40px;margin-top:0;letter-spacing:-.5px}.auth-graphic{width:280px;height:280px;margin:0 auto 40px;display:block;filter:drop-shadow(0 20px 40px rgba(0,0,0,.15))}.auth-logo{font-size:56px;font-weight:600;color:#fffffff2;margin-top:40px;letter-spacing:-1px}.auth-right{flex:1;background:#fff;display:flex;align-items:center;justify-content:center;padding:40px 20px;overflow-y:auto}.auth-right-content{width:100%;max-width:420px}.auth-tabs{display:flex;gap:30px;margin-bottom:40px;border-bottom:1px solid #e5e5e5;padding-bottom:15px}.auth-tab{font-size:18px;font-weight:500;color:#595959;text-decoration:none;cursor:pointer;background:none;border:none;padding:0;position:relative;transition:color .3s ease}.auth-tab:hover{color:#1a1a2e}.auth-tab.active{color:#1a1a2e;font-weight:600}.auth-tab.active:after{content:"";position:absolute;bottom:-16px;left:0;right:0;height:3px;background:linear-gradient(135deg,#3e4af9,#5e64cb);border-radius:3px}.auth-social{display:flex;flex-direction:column;gap:12px;margin-bottom:28px}.social-button{display:flex;align-items:center;justify-content:center;gap:10px;padding:12px 16px;border:1px solid #e5e5e5;border-radius:8px;font-size:15px;font-weight:500;color:#1a1a2e;text-decoration:none;background:#fff;transition:all .3s ease;cursor:pointer}.social-button:hover{border-color:#d0d0d0;background:#f9f9f9}.social-button.google{border-color:#e5e5e5}.social-button.google:hover{background:#f0f4ff;border-color:#4285f4}.social-button.facebook{border-color:#e5e5e5}.social-button.facebook:hover{background:#f0f7ff;border-color:#1877f2}.social-button.apple{border-color:#e5e5e5}.social-button.apple:hover{background:#f9f9f9;border-color:#000}.social-button svg{width:20px;height:20px}.auth-divider{display:flex;align-items:center;margin-bottom:28px;gap:15px}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:#e5e5e5}.auth-divider span{font-size:13px;color:#999;font-weight:500;white-space:nowrap}.auth-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:13px;font-weight:600;color:#595959;text-transform:capitalize;letter-spacing:.3px}.form-label-row{display:flex;justify-content:space-between;align-items:center}.forgot-password{font-size:13px;color:#1e6bff;text-decoration:none;font-weight:500;transition:color .3s ease}.forgot-password:hover{color:#1558d4;text-decoration:underline}.form-input{padding:12px 14px;border:1px solid #e5e5e5;border-radius:6px;font-size:14px;background:#f9f9f9;color:#1a1a2e;transition:all .3s ease;font-family:inherit}.form-input::-moz-placeholder{color:#bfbfbf}.form-input::placeholder{color:#bfbfbf}.form-input:focus{outline:none;background:#fff;border-color:#b47dd9;box-shadow:0 0 0 3px #b47dd91a}.password-input-wrapper{position:relative;display:flex;align-items:center}.password-toggle{position:absolute;right:12px;background:none;border:none;cursor:pointer;color:#bfbfbf;padding:4px;display:flex;align-items:center;justify-content:center;transition:color .3s ease}.password-toggle:hover{color:#1a1a2e}.auth-error{padding:12px;background:#fef3f3;border:1px solid #ffccc7;border-radius:6px;font-size:13px;color:#d4380d;font-weight:500}.auth-terms{font-size:12px;color:#999;text-align:center;line-height:1.5;margin:0}.auth-terms a{color:#1e6bff;text-decoration:none;font-weight:500;transition:color .3s ease}.auth-terms a:hover{color:#1558d4;text-decoration:underline}.auth-submit{padding:14px 16px;background:linear-gradient(135deg,#3e4af9,#5e64cb);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #b47dd94d}.auth-submit:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 16px #b47dd966}.auth-submit:active:not(:disabled){transform:translateY(0)}.auth-submit:disabled{opacity:.7;cursor:not-allowed}.auth-signup-prompt{font-size:13px;color:#595959;text-align:center;margin:0}.auth-signup-prompt a{color:#1e6bff;text-decoration:none;font-weight:600;transition:color .3s ease}.auth-signup-prompt a:hover{color:#1558d4;text-decoration:underline}@media(max-width:1024px){.auth-left-content h1{font-size:36px}.auth-graphic{width:220px;height:220px}}@media(max-width:768px){.auth-container{flex-direction:column}.auth-left{min-height:300px;padding:30px 20px}.auth-left-content h1{font-size:28px;margin-bottom:20px}.auth-graphic{width:180px;height:180px;margin-bottom:20px}.auth-logo{font-size:36px;margin-top:20px}.auth-right{min-height:100vh;padding:40px 20px}.auth-right-content{max-width:100%}.auth-tabs{gap:20px}.auth-tab{font-size:16px}.social-button{font-size:14px;padding:11px 14px}.form-input{font-size:13px;padding:11px 12px}.auth-submit{padding:13px 14px;font-size:15px}}@media(max-width:480px){.auth-left-content h1{font-size:24px;margin-bottom:15px}.auth-graphic{width:150px;height:150px;margin-bottom:15px}.auth-logo{font-size:28px}.auth-tabs{gap:15px;padding-bottom:12px}.auth-tab{font-size:14px}.auth-right-content{max-width:100%}.social-button{font-size:13px;padding:10px 12px;gap:8px}.social-button svg{width:18px;height:18px}.auth-divider{margin-bottom:20px;gap:10px}.auth-form{gap:16px}.form-input{font-size:13px;padding:10px 12px}.auth-submit{padding:12px;font-size:14px}.auth-signup-prompt{font-size:12px}}.header{background:#fff;border-bottom:1px solid var(--border-gray);padding:16px 0;position:sticky;top:0;z-index:100}.logo-icon{width:32px;height:32px;border-radius:8px}.header-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between}.logo-section{display:flex;align-items:center;gap:12px;cursor:pointer}.logo-text{font-size:20px;font-weight:700;color:var(--primary-blue);letter-spacing:-.5px}.nav-menu{display:flex;gap:40px;flex:1;margin-left:80px}.nav-menu a{color:var(--text-gray);text-decoration:none;font-size:14px;transition:color .3s}.nav-menu a:hover{color:var(--dark-text)}.header-right{display:flex;align-items:center;gap:24px}.language-selector{display:flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--border-gray);border-radius:8px;cursor:pointer;font-size:14px;font-weight:500;transition:border-color .3s}.language-selector:hover{border-color:var(--primary-blue)}.flag-icon{width:20px;height:15px;border-radius:3px}.login-btn{background:var(--dark-text);color:#fff;border:none;padding:10px 24px;border-radius:20px;font-size:14px;font-weight:600;cursor:pointer;transition:background .3s}.login-btn:hover{background:#2a2a2a}@media(max-width:768px){.nav-menu{display:none}.header-container{flex-wrap:wrap}.logo-section{flex:1}}.hero{padding:80px 20px;text-align:center;background:linear-gradient(to bottom,#fff,#fafafa)}.hero-content{max-width:900px;margin:0 auto}.hero-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}.hero-left{position:relative;text-align:left;top:-10%}.hero-description{margin-left:0;margin-right:0}.hero-right{position:relative}.hero-right{animation:slideRight 1s ease forwards}@keyframes slideRight{0%{opacity:0;transform:translate(80px)}to{opacity:1;transform:translate(0)}}.hero-badge{display:inline-block;background:var(--light-green-bg);color:var(--green-text);padding:8px 16px;border-radius:20px;font-size:12px;font-weight:600;letter-spacing:.5px;margin-bottom:32px}.hero-title{font-size:56px;font-weight:500;line-height:1.2;margin-bottom:24px;color:var(--dark-text)}.underline-text{position:relative;display:inline-block;padding-bottom:14px}.underline-svg{position:absolute;left:0;bottom:0;width:100%;height:28px;pointer-events:none}.hero-description{font-size:16px;color:var(--text-gray);line-height:1.6;margin-bottom:48px;max-width:700px;margin-left:auto;margin-right:auto}.cta-buttons{display:flex;gap:16px;justify-content:left;flex-wrap:wrap}.btn-primary{background:var(--primary-blue);color:#fff;border:none;padding:14px 32px;border-radius:28px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s;box-shadow:0 4px 16px #0052ff33}.btn-primary:hover{background:#0047e6;box-shadow:0 6px 20px #0052ff4d;transform:translateY(-2px)}.btn-secondary{background:#fff;color:var(--dark-text);border:2px solid var(--dark-text);padding:12px 30px;border-radius:28px;font-size:16px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .3s}.btn-secondary:hover{background:var(--light-gray);border-color:var(--primary-blue);color:var(--primary-blue)}@media(max-width:768px){.hero{padding:60px 20px}.hero-title{font-size:36px}.hero-description{font-size:14px}.cta-buttons{flex-direction:column;align-items:center}.btn-primary,.btn-secondary{width:100%;max-width:300px}}.gallery-container{position:relative;height:750px;overflow:hidden}.gallery-scroll{height:100%;overflow:hidden}.gallery{display:grid;grid-template-columns:repeat(2,1fr);-moz-column-gap:20px;column-gap:20px;animation:scrollUp 28s linear infinite}.gallery-container:hover .gallery{animation-play-state:paused}.gallery-item{height:440px;margin-bottom:20px;position:relative;border-radius:18px;overflow:hidden;cursor:pointer}.gallery-item:nth-child(2n){transform:translateY(110px)}.gallery-item img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;transition:.4s ease}.gallery-item:hover img{transform:scale(1.08)}.gallery-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.9),transparent 60%);display:flex;align-items:flex-end;padding:20px;opacity:0;transition:.3s}.gallery-item:hover .gallery-overlay{opacity:1}.gallery-overlay-name{color:#fff;font-size:1.2rem;font-weight:700}.play-button{position:absolute;right:20px;bottom:20px;width:52px;height:52px;border-radius:50%;background:#0009;border:2px solid white;color:#fff;font-size:22px;display:flex;align-items:center;justify-content:center;opacity:0;transition:.3s}.gallery-item:hover .play-button{opacity:1;background:#0052ff;border-color:#0052ff}.fade-top,.fade-bottom{position:absolute;left:0;right:0;height:120px;z-index:10;pointer-events:none}.fade-top{top:0;background:linear-gradient(to bottom,#000,transparent)}.fade-bottom{bottom:0;background:linear-gradient(to top,#000,transparent)}@keyframes scrollUp{0%{transform:translateY(0)}to{transform:translateY(-50%)}}:root{--primary-blue: #1E6BFF;--dark-text: #1a1a1a;--text-gray: #666666;--light-gray: #f5f5f5;--border-gray: #e5e5e5;--light-green-bg: #d4f3e9;--green-text: #0d9966;--dark-bg: #1a1a1a;--card-dark-bg: #2a2a2a;--white: #ffffff}.feature-section{width:100%}.feature-container{max-width:1200px;margin:0 auto;padding:0 20px}.feature-top{padding:80px 0;background:linear-gradient(to bottom,#fff,#fafafa);text-align:center}.feature-badge{display:inline-block;background:var(--light-green-bg);color:var(--green-text);padding:8px 16px;border-radius:20px;font-size:12px;font-weight:600;letter-spacing:.5px;margin-bottom:32px;text-transform:uppercase}.feature-title{font-size:56px;font-weight:500;line-height:1.2;color:var(--dark-text);margin-bottom:60px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.feature-title-highlight{position:relative;display:inline-block;padding-bottom:14px}.feature-underline{position:absolute;left:0;bottom:0;width:100%;height:28px;pointer-events:none}.feature-cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-bottom:20px}.feature-card{padding:40px;border-radius:12px;border-top:4px solid var(--primary-blue);transition:all .3s ease;text-align:left}.feature-card-light{background:var(--white);border:1px solid var(--border-gray)}.feature-card-light:hover{box-shadow:0 12px 32px #00000014;transform:translateY(-4px)}.feature-card-dark{background:var(--dark-bg);color:var(--white);border:none;border-top:4px solid var(--primary-blue)}.feature-card-dark:hover{background:#252525}.feature-card-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;margin-bottom:24px;color:#d4a574}.feature-icon{width:48px;height:48px;stroke:currentColor;fill:none;stroke-width:1.5}.feature-card-title{font-size:18px;font-weight:600;margin-bottom:16px;line-height:1.3;color:inherit}.feature-card-description{font-size:14px;line-height:1.6;margin-bottom:20px;color:inherit;opacity:.9}.feature-card-dark .feature-card-description{color:#aaa}.feature-card-link{display:inline-flex;align-items:center;gap:8px;color:var(--primary-blue);text-decoration:none;font-size:14px;font-weight:600;transition:all .3s ease}.feature-card-link:hover{gap:12px;color:#0052ff}.feature-card-dark .feature-card-link{color:var(--primary-blue)}.feature-bottom{background:linear-gradient(180deg,#1a1a1a,#0f0f0f);color:var(--white);padding:100px 0;position:relative;overflow:hidden}.feature-bottom:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 50%,rgba(30,107,255,.05) 0%,transparent 50%);pointer-events:none}.feature-badge-dark{display:inline-block;background:#ffffff1a;color:var(--white);padding:8px 16px;border-radius:20px;font-size:12px;font-weight:600;letter-spacing:.5px;margin-bottom:32px;text-transform:uppercase;border:1px solid rgba(255,255,255,.2)}.feature-title-dark{font-size:56px;font-weight:500;line-height:1.2;color:var(--white);margin-bottom:24px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.feature-subtitle-dark{font-size:16px;line-height:1.6;color:#888;max-width:700px;margin:0 0 60px}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;z-index:1}.stats-card{background:#ffffff0d!important;display:grid!important;border:1px solid rgba(255,255,255,.1)!important;padding:40px!important;border-radius:12px!important;transition:all .3s ease!important;-webkit-backdrop-filter:blur(10px)!important;backdrop-filter:blur(10px)!important}.stats-card:hover{background:#ffffff14;border-color:#fff3;transform:translateY(-4px)}.stats-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:var(--white)}.stats-card-title{font-size:18px;font-weight:600;margin-bottom:16px;color:var(--white);line-height:1.3}.stats-card-description{font-size:14px;line-height:1.6;color:#888}@media(max-width:1024px){.feature-title,.feature-title-dark{font-size:42px}.feature-cards-grid,.stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}}@media(max-width:768px){.feature-top,.feature-bottom{padding:60px 0}.feature-title,.feature-title-dark{font-size:32px;margin-bottom:40px}.feature-cards-grid,.stats-grid{grid-template-columns:1fr;gap:20px}.feature-card,.stats-card{padding:32px}.feature-subtitle-dark{font-size:14px;margin-bottom:40px}.feature-card-icon,.stats-icon,.feature-icon{width:40px;height:40px}}@media(max-width:480px){.feature-top,.feature-bottom{padding:40px 0}.feature-title,.feature-title-dark{font-size:24px}.feature-card,.stats-card{padding:24px}.feature-badge,.feature-badge-dark{font-size:10px;padding:6px 12px}}:root{--primary-blue: #3E4AF9;--secondary-periwinkle: #B6B8E1;--light-lavender: #F3EFF7;--deeper-lavender: #DEE1EF;--text-primary: #171779;--text-secondary: #6b6fb3;--text-muted: #8b8fc7;--text-light: #F3EFF7;--accent-success: #27AE60;--accent-warning: #F39C12;--accent-danger: #E74C3C;--accent-info: #3498DB;--shadow-light: 0 4px 12px rgba(62, 74, 249, .08);--shadow-medium: 0 8px 24px rgba(62, 74, 249, .12);--shadow-heavy: 0 12px 32px rgba(62, 74, 249, .15);--font-primary: "Poppins", sans-serif;--font-secondary: "Montserrat", sans-serif;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px}html,body{font-family:var(--font-secondary);background-color:var(--light-lavender);color:var(--text-secondary);line-height:1.6}h1,h2,h3,h4,h5,h6{font-family:var(--font-primary);color:var(--text-primary);font-weight:700}p{color:var(--text-secondary);font-weight:400}.dashboard-container{min-height:100vh;background-color:var(--light-lavender);padding:0}.dashboard-header{background:linear-gradient(135deg,var(--primary-blue) 0%,#2E3AA8 100%);color:#fff;padding:var(--spacing-2xl) var(--spacing-xl);box-shadow:var(--shadow-medium)}.header-content{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--spacing-lg)}.student-info h1{color:#fff;font-size:2.5rem;font-weight:800;margin-bottom:var(--spacing-sm)}.student-subtitle{color:#ffffffd9;font-size:1rem;font-weight:500}.status-badge{background-color:var(--accent-warning);color:#fff;padding:var(--spacing-md) var(--spacing-lg);border-radius:var(--radius-md);font-weight:600;font-size:.95rem;box-shadow:var(--shadow-light)}.dashboard-main{max-width:1400px;margin:0 auto;padding:var(--spacing-2xl) var(--spacing-xl);gap:var(--spacing-2xl)}section{margin-bottom:var(--spacing-2xl)}section h2{font-size:1.75rem;margin-bottom:var(--spacing-lg);color:var(--text-primary);border-bottom:3px solid var(--primary-blue);padding-bottom:var(--spacing-md);display:inline-block}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--spacing-lg);margin-top:var(--spacing-lg)}.stats-card{background:#fff;border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-light);display:flex;gap:var(--spacing-md);border-left:4px solid var(--primary-blue);transition:all .3s ease}.stats-card:hover{box-shadow:var(--shadow-medium);transform:translateY(-2px)}.stats-icon{font-size:2.5rem;flex-shrink:0}.stats-content h4{font-size:.9rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:var(--spacing-sm)}.stats-value{font-size:1.75rem;font-weight:800;color:var(--primary-blue);margin:0;font-family:var(--font-primary)}.stats-subtext{font-size:.85rem;color:var(--text-muted);margin:var(--spacing-sm) 0 0 0;font-weight:500}.subjects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:var(--spacing-lg);margin-top:var(--spacing-lg)}.subject-card{background:#fff;border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-light);border-top:4px solid var(--primary-blue);transition:all .3s ease}.subject-card:hover{box-shadow:var(--shadow-medium);transform:translateY(-4px)}.subject-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--deeper-lavender)}.subject-header h3{font-size:1.3rem;color:var(--text-primary)}.subject-badge{display:inline-block;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-sm);font-size:.8rem;font-weight:700;text-transform:uppercase}.subject-badge.physics{background:#3e4af926;color:var(--primary-blue)}.subject-badge.chemistry{background:#f4603626;color:#f46036}.subject-badge.mathematics{background:#27ae6026;color:var(--accent-success)}.subject-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-md);margin-bottom:var(--spacing-lg);padding:var(--spacing-md);background-color:var(--light-lavender);border-radius:var(--radius-md)}.metric-item{text-align:center}.metric-label{display:block;font-size:.8rem;color:var(--text-muted);font-weight:600;text-transform:uppercase;margin-bottom:var(--spacing-sm)}.metric-value{display:block;font-size:1.5rem;font-weight:800;color:var(--primary-blue);font-family:var(--font-primary)}.metric-value.correct{color:var(--accent-success)}.metric-value.wrong{color:var(--accent-danger)}.metric-value.unattempted{color:var(--text-muted)}.subject-details{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-md);margin-bottom:var(--spacing-lg);padding:var(--spacing-md) 0}.detail-row{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-sm) 0;border-bottom:1px solid var(--deeper-lavender)}.detail-label{font-size:.85rem;color:var(--text-muted);font-weight:600}.detail-value{font-size:.95rem;color:var(--text-primary);font-weight:700;font-family:var(--font-primary)}.topics-section{margin-top:var(--spacing-lg);padding-top:var(--spacing-lg);border-top:1px solid var(--deeper-lavender)}.topic-group{margin-bottom:var(--spacing-md)}.topic-group h4{font-size:.9rem;color:var(--text-primary);font-weight:700;margin-bottom:var(--spacing-sm);text-transform:uppercase}.topic-tags{display:flex;flex-wrap:wrap;gap:var(--spacing-sm)}.topic-tag{display:inline-block;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-sm);font-size:.8rem;font-weight:600;transition:all .2s ease}.topic-tag.strongest{background:#27ae6026;color:var(--accent-success);border:1px solid var(--accent-success)}.topic-tag.weak{background:#e74c3c26;color:var(--accent-danger);border:1px solid var(--accent-danger)}.topic-tag:hover{transform:scale(1.05)}.error-analytics-card{background:#fff;border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-light);margin-top:var(--spacing-lg)}.error-analytics-card h3{font-size:1.3rem;margin-bottom:var(--spacing-lg);color:var(--text-primary)}.error-chart-container{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-2xl);align-items:center}.error-pie{display:flex;justify-content:center}.line-chart{width:100%;height:100%}.error-legend{display:flex;flex-direction:column;gap:var(--spacing-md)}.error-item{display:flex;align-items:flex-start;gap:var(--spacing-md);padding:var(--spacing-md);background-color:var(--light-lavender);border-radius:var(--radius-md);transition:all .3s ease}.error-item:hover{background-color:var(--deeper-lavender)}.error-color{width:20px;height:20px;border-radius:50%;flex-shrink:0;margin-top:2px}.error-info{flex:1}.error-name{font-weight:700;color:var(--text-primary);margin-bottom:var(--spacing-xs);font-size:.9rem}.error-stats{font-size:.85rem;color:var(--text-muted);margin:0;font-weight:600}.time-cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--spacing-lg);margin-top:var(--spacing-lg)}.time-card{background:#fff;border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-light);border-left:4px solid var(--primary-blue);transition:all .3s ease}.time-card:hover{box-shadow:var(--shadow-medium);transform:translateY(-2px)}.time-card h3{font-size:1.1rem;margin-bottom:var(--spacing-lg);color:var(--text-primary)}.time-metric{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md) 0;border-bottom:1px solid var(--deeper-lavender)}.time-metric:last-child{border-bottom:none}.time-label{font-size:.9rem;color:var(--text-muted);font-weight:600}.time-value{font-size:1.2rem;font-weight:800;color:var(--primary-blue);font-family:var(--font-primary)}.time-value.ideal{color:var(--accent-success)}.time-value.warning{color:var(--accent-warning)}.weekly-goals-card{background:#fff;border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-light);margin-top:var(--spacing-lg)}.weekly-goals-card h3{font-size:1.3rem;margin-bottom:var(--spacing-lg);color:var(--text-primary)}.goals-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:var(--spacing-lg)}.goal-item{padding:var(--spacing-lg);background-color:var(--light-lavender);border-radius:var(--radius-md);border-left:3px solid var(--primary-blue);transition:all .3s ease}.goal-item:hover{background-color:var(--deeper-lavender)}.goal-item h4{font-size:.95rem;color:var(--text-primary);margin-bottom:var(--spacing-md);font-weight:700}.progress-bar{width:100%;height:10px;background-color:var(--deeper-lavender);border-radius:var(--radius-sm);overflow:hidden;margin-bottom:var(--spacing-md)}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary-blue) 0%,var(--secondary-periwinkle) 100%);border-radius:var(--radius-sm);transition:width .4s ease}.goal-stat{font-size:.85rem;color:var(--text-muted);font-weight:600;text-align:center;margin:0}.goal-stat .current{color:var(--primary-blue);font-weight:800;font-family:var(--font-primary)}.goal-stat .target{color:var(--text-muted)}.goal-stat .slash{margin:0 2px}.goal-stat .unit{font-size:.75rem;color:var(--text-muted)}.recommendations-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-lg);margin-top:var(--spacing-lg)}.recommendation-card{background:#fff;border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-light);border-top:4px solid var(--secondary-periwinkle);transition:all .3s ease}.recommendation-card:hover{box-shadow:var(--shadow-medium);transform:translateY(-4px)}.recommendation-card h3{font-size:1.1rem;margin-bottom:var(--spacing-md);color:var(--text-primary)}.recommendation-list{list-style:none;padding:0}.recommendation-list li{padding:var(--spacing-md) 0 var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--deeper-lavender);position:relative;color:var(--text-secondary);font-weight:500;font-size:.95rem}.recommendation-list li:last-child{border-bottom:none}.recommendation-list li:before{content:"→";position:absolute;left:0;color:var(--primary-blue);font-weight:800}@media(max-width:1024px){.header-content{flex-direction:column;align-items:flex-start}.student-info h1{font-size:2rem}.dashboard-main{padding:var(--spacing-lg) var(--spacing-md)}.stats-grid,.subjects-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:var(--spacing-md)}.error-chart-container{grid-template-columns:1fr}section h2{font-size:1.5rem}}@media(max-width:640px){:root{--spacing-lg: 16px;--spacing-xl: 20px;--spacing-2xl: 24px}.dashboard-header{padding:var(--spacing-lg) var(--spacing-md)}.student-info h1{font-size:1.5rem}.student-subtitle{font-size:.85rem}.status-badge{padding:var(--spacing-sm) var(--spacing-md);font-size:.8rem}.dashboard-main{padding:var(--spacing-lg) var(--spacing-md)}section h2{font-size:1.3rem}.stats-grid,.subjects-grid,.time-cards-grid,.recommendations-container,.subject-metrics,.subject-details,.error-chart-container{grid-template-columns:1fr}.stats-card,.subject-card,.time-card,.recommendation-card{padding:var(--spacing-md)}.student-info h1{font-size:1.3rem}.stats-value{font-size:1.4rem}.goals-grid{grid-template-columns:1fr}.subject-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-md)}}@media(max-width:480px){.header-content{gap:var(--spacing-md)}.student-info h1{font-size:1.2rem}.stats-card{flex-direction:column;gap:var(--spacing-sm)}.stats-icon{font-size:2rem}.metric-item{text-align:left}.detail-row{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}.error-legend{gap:var(--spacing-sm)}.error-item{padding:var(--spacing-sm)}section h2{font-size:1.1rem}}@keyframes slideInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.dashboard-container{animation:slideInUp .6s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}section{animation:fadeIn .4s ease-out}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-muted{color:var(--text-muted)}.bg-light{background-color:var(--light-lavender)}.bg-white{background-color:#fff}.rounded{border-radius:var(--radius-md)}.shadow{box-shadow:var(--shadow-light)}.shadow-hover:hover{box-shadow:var(--shadow-medium)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--light-lavender)}::-webkit-scrollbar-thumb{background:var(--secondary-periwinkle);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb:hover{background:var(--primary-blue)}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-blue: #0052ff;--dark-text: #1a1a1a;--light-gray: #f5f5f5;--border-gray: #e0e0e0;--text-gray: #666666;--success-green: #1db854;--light-green-bg: #e8f5f0;--green-text: #1db854}body{font-family:Inter,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--dark-text)}html{scroll-behavior:smooth}