@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--primary: #2563eb;--primary-hover: #1d4ed8;--secondary: #6366f1;--accent: #f59e0b;--background: #f8fafc;--foreground: #0f172a;--card: #ffffff;--card-foreground: #1e293b;--border: #e2e8f0;--ring: #3b82f6;--radius: .75rem;--font-inter: "Inter", sans-serif;--text-primary: #0f172a;--text-secondary: #64748b;--sidebar-bg: #ffffff;--content-bg: #f1f5f9;--hover-bg: #f1f5f9;--input-bg: #ffffff;--input-border: #e2e8f0;--input-text: #0f172a}[data-theme=dark]{--primary: #3b82f6;--primary-hover: #60a5fa;--secondary: #818cf8;--accent: #fbbf24;--background: #0a0f1e;--foreground: #f8fafc;--card: #1e293b;--card-foreground: #f1f5f9;--border: #475569;--ring: #60a5fa;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--sidebar-bg: #0f172a;--content-bg: #0a0f1e;--hover-bg: #334155;--input-bg: #334155;--input-border: #64748b;--input-text: #ffffff}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-inter);background-color:var(--background);color:var(--foreground);overflow-x:hidden;scroll-behavior:smooth}a{text-decoration:none;color:inherit;transition:all .2s ease}button{cursor:pointer;border:none;outline:none;font-family:inherit;transition:all .2s ease}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.glass{background:#ffffffb3;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.3)}[data-theme=dark] .glass{background:#0f172ab3;border-bottom:1px solid rgba(255,255,255,.05)}.card-glass{background:#fffc;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.5);box-shadow:0 8px 32px #1f268712}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .8s ease forwards}.app-footer{padding:40px 0;text-align:center;background-color:#f8fafc;color:#64748b;font-size:.9rem;transition:all .3s ease}[data-theme=dark] .app-footer{background-color:#0f172a;color:#94a3b8;border-top:1px solid #1e293b}[data-theme=dark] h1,[data-theme=dark] h2,[data-theme=dark] h3,[data-theme=dark] h4,[data-theme=dark] h5,[data-theme=dark] h6,[data-theme=dark] p,[data-theme=dark] span:not(.text-gradient),[data-theme=dark] label,[data-theme=dark] td,[data-theme=dark] th,[data-theme=dark] div{color:#fff!important}[data-theme=dark] .content-card,[data-theme=dark] .stat-card,[data-theme=dark] .subject-card,[data-theme=dark] .assessment-card,[data-theme=dark] .modal-content,[data-theme=dark] .activity-section,[data-theme=dark] .settings-card,[data-theme=dark] .analysis-card{background:#1e293b!important;color:#fff!important}input,textarea,select{background:#fff!important;color:#000!important;border:2px solid #cbd5e1!important}[data-theme=dark] input,[data-theme=dark] textarea,[data-theme=dark] 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.nav-item.active{background:#1e40af!important;color:#fff!important}[data-theme=dark] .subject-info h3{color:#fff!important}[data-theme=dark] .subject-info span{color:#cbd5e1!important}[data-theme=dark] .stat-value{color:#fff!important}[data-theme=dark] .stat-label{color:#cbd5e1!important}[data-theme=dark] .activity-item h4{color:#fff!important}[data-theme=dark] .activity-item p{color:#94a3b8!important}[data-theme=dark] .search-bar{background:#334155!important}[data-theme=dark] .search-bar input{background:transparent!important;color:#fff!important}[data-theme=dark] .view-details-btn{background:#0f172a!important;color:#60a5fa!important;border-color:#475569!important}[data-theme=dark] .role-badge,[data-theme=dark] .subject-code{background:#475569!important;color:#cbd5e1!important}[data-theme=dark] .top-student-item{background:#0f172a!important;border-color:#475569!important}[data-theme=dark] .student-name{color:#fff!important}[data-theme=dark] .student-score{color:#cbd5e1!important}[data-theme=dark] .progress-bar-container,[data-theme=dark] .pass-rate-indicator{background:#475569!important}[data-theme=dark] .form-group label{color:#f8fafc!important}[data-theme=dark] .modal-header h3,[data-theme=dark] .card-header h2,[data-theme=dark] .setting-option label{color:#fff!important}[data-theme=dark] .setting-option p{color:#94a3b8!important}[data-theme=dark] .header-info h1{color:#fff!important}[data-theme=dark] .header-info p{color:#cbd5e1!important}[data-theme=dark] .faculty-content,[data-theme=dark] .admin-content,[data-theme=dark] .student-content{background:#0a0f1e!important}[data-theme=dark] .empty-state{color:#94a3b8!important}[data-theme=dark] .csv-upload-section{background:#1e293b!important;border-color:#f87171!important}[data-theme=dark] .csv-label{background:#0f172a!important}[data-theme=dark] .analysis-item label{color:#cbd5e1!important}[data-theme=dark] .analysis-item span{color:#fff!important}[data-theme=dark] .login-card{background:#1e293b!important;border-color:#475569!important}[data-theme=dark] .login-title{color:#fff!important}[data-theme=dark] .login-subtitle{color:#cbd5e1!important}[data-theme=dark] .role-selector{background:#334155!important}[data-theme=dark] .role-btn{color:#cbd5e1!important}[data-theme=dark] .role-btn.active{background:#0f172a!important;color:#60a5fa!important}[data-theme=dark] .back-home{color:#cbd5e1!important}[data-theme=dark] .back-home:hover{color:#60a5fa!important}[data-theme=dark] .marks-table th,[data-theme=dark] .marks-entry-table th,[data-theme=dark] .user-table th{background:#0f172a!important;color:#cbd5e1!important}[data-theme=dark] .marks-table td,[data-theme=dark] .marks-entry-table td,[data-theme=dark] .user-table td{color:#fff!important;border-bottom-color:#475569!important}[data-theme=dark] .profile-info h2{color:#fff!important}[data-theme=dark] .profile-info p{color:#cbd5e1!important}[data-theme=dark] .content-card,[data-theme=dark] .stat-card,[data-theme=dark] .subject-card,[data-theme=dark] .modal-content{border-color:#475569!important}[data-theme=dark] .text-secondary,[data-theme=dark] .bulk-upload-tip{color:#cbd5e1!important}.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;height:70px;display:flex;align-items:center;transition:background-color .3s ease,border-color .3s ease}.nav-content{display:flex;justify-content:space-between;align-items:center;width:100%}.logo{display:flex;align-items:center;gap:.75rem}.logo-text{font-size:1.5rem;font-weight:800;color:#2563eb;letter-spacing:-.025em;transition:color .3s ease}.nav-links{display:flex;align-items:center;gap:2.5rem}.nav-link{font-weight:500;color:#475569;transition:color .3s ease}.nav-link:hover{color:#2563eb}[data-theme=dark] .logo-text{color:#60a5fa}[data-theme=dark] .nav-link{color:#cbd5e1}[data-theme=dark] .nav-link:hover{color:#60a5fa}.btn-signin{background-color:#2563eb;color:#fff;padding:.6rem 1.8rem;border-radius:9999px;font-weight:600;box-shadow:0 4px 6px -1px #2563eb33,0 2px 4px -2px #2563eb1a;transition:all .3s ease}.btn-signin:hover{background-color:#1d4ed8;transform:translateY(-1px);box-shadow:0 10px 15px -3px #2563eb4d}[data-theme=dark] .btn-signin{background-color:#3b82f6;box-shadow:0 4px 6px -1px #3b82f633,0 2px 4px -2px #3b82f61a}[data-theme=dark] .btn-signin:hover{background-color:#2563eb;box-shadow:0 10px 15px -3px #3b82f64d}@media(max-width:768px){.navbar{height:60px;padding:0 .75rem}.nav-content{padding:0;gap:.5rem}.logo{gap:.4rem;flex-shrink:0}.logo-icon{width:22px!important;height:22px!important}.logo-text{font-size:1.1rem}.nav-links{gap:.5rem;flex-shrink:0}.nav-link{font-size:.8rem;padding:.25rem .5rem}.btn-signin{padding:.45rem .9rem;font-size:.8rem;white-space:nowrap}}@media(max-width:480px){.navbar{height:56px;padding:0 .5rem}.logo{gap:.3rem}.logo-icon{width:20px!important;height:20px!important}.logo-text{font-size:1rem}.nav-links{gap:.4rem}.nav-link{font-size:.75rem;padding:.2rem .4rem}.btn-signin{padding:.4rem .75rem;font-size:.75rem}}@media(max-width:380px){.navbar{padding:0 .4rem}.logo-text{font-size:.9rem}.nav-link{display:none}.btn-signin{padding:.35rem .65rem;font-size:.7rem}}.hero{position:relative;height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;background-image:url(https://images.unsplash.com/photo-1516321318423-f06f85e504b3?q=80&w=2070&auto=format&fit=crop);background-size:cover;background-position:center;color:#fff;padding-top:70px}.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,#ffffffe6,#ffffffb3);z-index:1;transition:background .5s ease}[data-theme=dark] .hero-overlay{background:linear-gradient(135deg,#0f172af2,#0f172acc)}.hero-content{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;max-width:900px}.hero-title{font-size:4.5rem;font-weight:800;line-height:1.1;margin-bottom:1.5rem;letter-spacing:-.05em}.text-dark{color:#0f172a;transition:color .3s ease}[data-theme=dark] .text-dark{color:#f8fafc}.text-gradient{background:linear-gradient(to right,#2563eb,#7c3aed);-webkit-background-clip:text;background-clip:text;color:transparent}[data-theme=dark] .text-gradient{background:linear-gradient(to right,#60a5fa,#a78bfa);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-subtitle{font-size:1.25rem;color:#475569;line-height:1.6;margin-bottom:2.5rem;max-width:700px;transition:color .3s ease}[data-theme=dark] .hero-subtitle{color:#cbd5e1}.hero-btns{display:flex;gap:1.5rem}.btn-primary{background-color:#2563eb;color:#fff;padding:1rem 2.5rem;border-radius:9999px;font-size:1.125rem;font-weight:600;box-shadow:0 10px 15px -3px #2563eb4d;transition:all .3s ease}.btn-primary:hover{background-color:#1d4ed8;transform:translateY(-2px);box-shadow:0 20px 25px -5px #2563eb66}[data-theme=dark] .btn-primary{background-color:#3b82f6;box-shadow:0 10px 15px -3px #3b82f64d}[data-theme=dark] .btn-primary:hover{background-color:#2563eb;box-shadow:0 20px 25px -5px #3b82f666}.btn-secondary{background-color:#fff;color:#0f172a;padding:1rem 2.5rem;border-radius:9999px;font-size:1.125rem;font-weight:600;border:1px solid #e2e8f0;box-shadow:0 4px 6px -1px #0000000d;transition:all .3s ease}.btn-secondary:hover{background-color:#f8fafc;transform:translateY(-2px);box-shadow:0 10px 15px -3px #0000001a}[data-theme=dark] .btn-secondary{background-color:#1e293b99;color:#f8fafc;border-color:#475569;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}[data-theme=dark] .btn-secondary:hover{background-color:#1e293bcc;border-color:#64748b}@media(max-width:768px){.hero-title{font-size:3rem}.hero-btns{flex-direction:column;width:100%;gap:1rem}.btn-primary,.btn-secondary{width:100%;padding:.875rem 2rem}}.ecosystem{padding:100px 0;background-color:#fff;transition:background-color .3s ease}[data-theme=dark] .ecosystem{background-color:#0f172a}.ecosystem-header{text-align:center;margin-bottom:4rem}.ecosystem-title{font-size:3rem;font-weight:800;color:#0f172a;margin-bottom:1rem;transition:color .3s ease}[data-theme=dark] .ecosystem-title{color:#f8fafc}.ecosystem-subtitle{font-size:1.25rem;color:#64748b;transition:color .3s ease}[data-theme=dark] .ecosystem-subtitle{color:#cbd5e1}.ecosystem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}.ecosystem-card{padding:2.5rem;border-radius:1.5rem;display:flex;flex-direction:column;transition:all .3s ease;cursor:pointer;height:100%;text-decoration:none;background-color:#fffc;border:1px solid transparent}[data-theme=dark] .ecosystem-card{background-color:#1e293b;border-color:#334155}.ecosystem-card:hover{transform:translateY(-10px);box-shadow:0 30px 60px #00000014;border-color:#2563eb}[data-theme=dark] .ecosystem-card:hover{box-shadow:0 30px 60px #0000004d;border-color:#3b82f6;background-color:#334155}.card-icon-container{width:56px;height:56px;border-radius:1rem;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem}[data-theme=dark] .card-icon-container{background-color:#ffffff1a!important}.card-title{font-size:1.5rem;font-weight:700;color:#0f172a;margin-bottom:1rem;transition:color .3s ease}[data-theme=dark] .card-title{color:#f8fafc}.card-desc{font-size:1.05rem;color:#64748b;line-height:1.6;margin-bottom:2rem;flex-grow:1;transition:color .3s ease}[data-theme=dark] .card-desc{color:#cbd5e1}.card-link{display:flex;align-items:center;gap:.5rem;color:#2563eb;font-weight:600;font-size:1rem;transition:color .3s ease}[data-theme=dark] .card-link{color:#60a5fa}.ecosystem-card:hover .card-link{gap:.75rem}@media(max-width:1024px){.ecosystem-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.ecosystem-grid{grid-template-columns:1fr}.ecosystem-title{font-size:2.25rem}}.login-page{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;background-image:url(https://images.unsplash.com/photo-1516321318423-f06f85e504b3?q=80&w=2070&auto=format&fit=crop);background-size:cover;background-position:center;padding:2rem}.login-overlay{position:absolute;inset:0;background:linear-gradient(135deg,#ffffffe6,#ffffffb3);z-index:1;transition:background .5s ease}[data-theme=dark] .login-overlay{background:linear-gradient(135deg,#0f172af2,#0f172acc)}.login-container{position:relative;z-index:2;width:100%;max-width:480px}.login-card{background:var(--card);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-radius:2rem;padding:3rem;box-shadow:0 25px 50px -12px #00000040;border:1px solid var(--border);display:flex;flex-direction:column;gap:2rem;transition:all .3s ease}.login-header{text-align:center}.login-logo{display:flex;align-items:center;justify-content:center;gap:.75rem;margin-bottom:1.5rem}.login-title{font-size:2rem;font-weight:800;color:var(--text-primary);margin-bottom:.5rem}.login-subtitle{color:var(--text-secondary);font-size:1rem}.login-error-msg{background-color:#fef2f2;color:#dc2626;padding:.75rem 1rem;border-radius:.75rem;font-size:.9rem;font-weight:600;text-align:center;margin:1.5rem 0;border:1px solid #fecaca;animation:shake .4s ease-in-out}[data-theme=dark] .login-error-msg{background-color:#450a0a;color:#fecaca;border-color:#7f1d1d}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.role-selector{background:var(--hover-bg);padding:.4rem;border-radius:9999px;display:flex;gap:.25rem}.role-btn{flex:1;padding:.6rem 1rem;border-radius:9999px;font-weight:600;color:var(--text-secondary);background:transparent;transition:all .3s ease}.role-btn.active{background:var(--card);color:var(--primary);box-shadow:0 4px 6px -1px #0000001a}.login-form{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-size:.875rem;font-weight:600;color:var(--text-primary)}.form-group input{padding:.8rem 1rem;border-radius:.75rem;border:2px solid #64748b;background:#fff;color:#000;font-size:1rem;font-weight:500;transition:all .2s ease}[data-theme=dark] .form-group input{background:#475569;color:#fff;border:2px solid #94a3b8}.form-group input::placeholder{color:#94a3b8;opacity:.8}[data-theme=dark] .form-group input::placeholder{color:#cbd5e1;opacity:.7}.form-group input:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 4px #2563eb1a}.login-submit{background:#2563eb;color:#fff;padding:1rem;border-radius:.75rem;font-weight:700;font-size:1rem;margin-top:1rem;box-shadow:0 10px 15px -3px #2563eb4d}.login-submit:hover{background:#1d4ed8;transform:translateY(-2px);box-shadow:0 20px 25px -5px #2563eb66}.back-home{display:flex;align-items:center;justify-content:center;gap:.5rem;color:var(--text-secondary);font-weight:500;font-size:.9rem}.back-home:hover{color:var(--primary)}@media(max-width:480px){.login-card{padding:2rem}.login-title{font-size:1.5rem}}@media(max-width:480px){.login-container{padding:0 1rem}.login-card{padding:2rem 1.5rem;border-radius:1.5rem}.login-logo svg{width:40px;height:40px}}@media(max-width:480px){.login-page{padding:1rem}.login-container{padding:0}.login-card{padding:1.5rem;border-radius:1.5rem;gap:1.5rem}.login-logo{margin-bottom:1rem}.login-logo svg{width:32px;height:32px}.login-title{font-size:1.5rem}.login-subtitle{font-size:.9rem}.role-btn{padding:.5rem;font-size:.85rem}}.about-page{padding:80px 0;min-height:100vh;background-color:#f8fafc;transition:background-color .3s ease}[data-theme=dark] .about-page{background-color:#0f172a}.about-header{text-align:center;margin-bottom:5rem}.about-logo{display:flex;align-items:center;justify-content:center;gap:1rem;margin-bottom:1.5rem}.about-title{font-size:3.5rem;font-weight:800;color:#0f172a;margin-bottom:1rem;letter-spacing:-.05em;transition:color .3s ease}[data-theme=dark] .about-title{color:#f8fafc}.about-subtitle{font-size:1.25rem;color:#64748b;max-width:600px;margin:0 auto;transition:color .3s ease}[data-theme=dark] .about-subtitle{color:#cbd5e1}.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin-bottom:5rem}.about-step-card{padding:2.5rem;border-radius:1.5rem;text-align:left;background:#ffffffb3;transition:background-color .3s ease}[data-theme=dark] .about-step-card{background:#1e293b;border:1px solid #334155}.step-icon{width:56px;height:56px;border-radius:1rem;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem}[data-theme=dark] .step-icon{background-color:#ffffff1a!important}.about-step-card h3{font-size:1.5rem;color:#0f172a;margin-bottom:1rem;transition:color .3s ease}[data-theme=dark] .about-step-card h3{color:#f8fafc}.about-step-card p{color:#64748b;line-height:1.6;transition:color .3s ease}[data-theme=dark] .about-step-card p{color:#cbd5e1}.about-guide{padding:4rem;border-radius:2rem;margin-bottom:4rem;background:#fffc;transition:background .3s ease}[data-theme=dark] .about-guide{background:#1e293b;border:1px solid #334155}.about-guide h2{font-size:2.25rem;color:#0f172a;margin-bottom:3rem;text-align:center;transition:color .3s ease}[data-theme=dark] .about-guide h2{color:#f8fafc}.guide-steps{display:flex;flex-direction:column;gap:2.5rem;max-width:800px;margin:0 auto}.guide-item{display:flex;gap:2rem;align-items:flex-start}.step-num{width:48px;height:48px;flex-shrink:0;background:#2563eb;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.25rem;box-shadow:0 4px 6px -1px #2563eb66}.guide-item h4{font-size:1.25rem;color:#1e293b;margin-bottom:.5rem;transition:color .3s ease}[data-theme=dark] .guide-item h4{color:#f8fafc}.guide-item p{color:#64748b;line-height:1.6;transition:color .3s ease}[data-theme=dark] .guide-item p{color:#cbd5e1}.about-footer{text-align:center}.back-home-btn{display:inline-flex;align-items:center;gap:.5rem;background-color:#fff;color:#1e293b;padding:1rem 2rem;border-radius:9999px;font-weight:600;border:1px solid #e2e8f0;transition:all .3s ease;box-shadow:0 4px 6px -1px #0000000d}[data-theme=dark] .back-home-btn{background-color:#1e293b;color:#f8fafc;border-color:#334155}.back-home-btn:hover{background-color:#f8fafc;transform:translate(-5px);color:#2563eb;border-color:#2563eb33}[data-theme=dark] .back-home-btn:hover{background-color:#334155;color:#60a5fa}@media(max-width:768px){.about-title{font-size:2.5rem}.about-guide{padding:2rem}.guide-item{flex-direction:column;gap:1rem}}.admin-container{display:flex;min-height:100vh;background-color:#f1f5f9;width:100%;transition:background-color .3s ease}[data-theme=dark] .admin-container{background-color:#0a0f1e}.sidebar{width:260px;background-color:#0f172a;color:#fff;display:flex;flex-direction:column;padding:2rem 1.5rem;position:fixed;height:100vh;z-index:100;transition:background-color .3s ease;border-right:1px solid transparent}[data-theme=dark] .sidebar{background-color:#0f172a;border-right:1px solid #1e293b}.mobile-dashboard-header{display:none;position:fixed;top:0;left:0;right:0;height:60px;background:#0f172a;color:#fff;padding:0 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#fecaca}@media(max-width:768px){.profile-grid{grid-template-columns:1fr}}.stat-card.goal-planner{background:linear-gradient(135deg,var(--card) 0%,rgba(59,130,246,.05) 100%);grid-column:span 1}[data-theme=dark] .stat-card.goal-planner{background:linear-gradient(135deg,#1e293b,#3b82f61a)}.goal-controls{margin-top:.75rem;display:flex;flex-direction:column;gap:.75rem}.control-group{display:flex;flex-direction:column;gap:.25rem}.control-group label{font-size:.7rem;color:var(--text-secondary);font-weight:600;text-transform:uppercase;letter-spacing:.025em}.control-group select{padding:.4rem .5rem;border-radius:.5rem;border:1px solid var(--border);background:var(--card);color:var(--text-primary);font-size:.8125rem;cursor:pointer;outline:none;transition:all .2s;width:100%}[data-theme=dark] .control-group select{background:#0f172a;border-color:#334155;color:#f8fafc}.goal-controls label{font-size:.75rem;color:var(--text-secondary);font-weight:600}.goal-controls select{padding:.25rem .5rem;border-radius:.5rem;border:1px solid var(--border);background:var(--card);color:var(--text-primary);font-size:.8125rem;cursor:pointer;outline:none;transition:all .2s}[data-theme=dark] .goal-controls select{background:#0f172a;border-color:#334155;color:#f8fafc}.goal-result{margin-top:1rem;padding-top:.75rem;border-top:1px dashed var(--border);display:flex;flex-direction:column}.goal-result .label{font-size:.75rem;color:var(--text-secondary);margin-bottom:.25rem}.goal-result .value{font-size:1.125rem;font-weight:800;color:#2563eb}[data-theme=dark] .goal-result .value{color:#60a5fa}@media(max-width:1024px){.student-stats{grid-template-columns:repeat(2,1fr)}}.subject-groups{display:flex;flex-direction:column;gap:2.5rem}.subject-marks-section{position:relative}.subject-section-header{display:flex;align-items:center;gap:.75rem;margin-bottom:1.25rem;padding-bottom:.5rem;border-bottom:2px solid #3b82f6;width:fit-content;min-width:200px}.subject-section-header h3{font-size:1.125rem;font-weight:700;color:var(--text-primary);text-transform:capitalize}[data-theme=dark] .subject-section-header{border-bottom-color:#2563eb}.subject-section-header svg{color:#3b82f6}.mobile-dashboard-header{display:none;position:fixed;top:0;left:0;right:0;height:60px;background:#1e40af;color:#fff;padding:0 1.5rem;align-items:center;justify-content:space-between;z-index:1000}.mobile-logo{display:flex;align-items:center;gap:.5rem;font-weight:800}.menu-toggle{background:transparent;border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center}@media(max-width:768px){.mobile-dashboard-header{display:flex}.student-sidebar{left:-100%;width:280px;transition:left .3s ease;padding-top:5rem;position:fixed;z-index:1001}.student-sidebar.mobile-open{left:0}.student-content{margin-left:0;padding:5rem 1.5rem 1.5rem}.student-stats{grid-template-columns:1fr}.content-header{flex-direction:column;align-items:flex-start;gap:1rem}.classroom-grid,.profile-grid{grid-template-columns:1fr}}.sidebar-overlay{position:fixed;inset:0;background:#0000004d;z-index:999;animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media(max-width:768px){.mobile-dashboard-header{display:flex}.student-sidebar{left:-100%;width:280px;transition:left .3s ease;padding-top:5rem;position:fixed;z-index:1001}.student-sidebar.mobile-open{left:0}.student-content{margin-left:0;padding:5rem 1.5rem 1.5rem}.stats-grid,.performance-grid{grid-template-columns:1fr;gap:1rem}.content-card{padding:1rem}.card-header h2{font-size:1.25rem}.performance-card{padding:1.5rem}.performance-card h3{font-size:1.1rem}.modal-content{width:95%;max-width:95%;margin:1rem;max-height:90vh;overflow-y:auto}.marks-table-container{overflow-x:auto}.student-marks-table{min-width:600px}.calculator-form{grid-template-columns:1fr}}@media(max-width:480px){.student-content{padding:4.5rem 1rem 1rem}.content-header h1{font-size:1.5rem}.content-header p{font-size:.875rem}.performance-card{padding:1rem}.performance-card h3{font-size:1rem}.stat-value{font-size:1.5rem}.stat-label{font-size:.75rem}.btn-primary,.btn-secondary{padding:.6rem 1rem;font-size:.875rem}.modal-content{padding:1rem}.subject-card h3{font-size:1.1rem}.download-report-btn{padding:.6rem 1rem;font-size:.875rem}}.theme-toggle{position:fixed;bottom:2rem;right:2rem;width:56px;height:56px;border-radius:50%;background:var(--card);border:2px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 12px #0000001a;transition:all .3s ease;z-index:1000}.theme-toggle:hover{transform:scale(1.1);box-shadow:0 6px 20px #00000026}.theme-toggle svg{width:24px;height:24px;color:var(--foreground);transition:transform .3s ease}.theme-toggle:hover svg{transform:rotate(20deg)}[data-theme=dark] .theme-toggle{background:var(--card);border-color:var(--border)}