html,body{margin:0;padding:0;height:100%}#root{height:100%}.header{background:var(--white);border-bottom:1px solid var(--border-gray);padding:0;box-shadow:0 2px 8px var(--shadow-sm);position:relative;z-index:1000}.header-content{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:15px 20px;flex-wrap:wrap;gap:12px}.logo-section{display:flex;align-items:center;gap:15px;flex-shrink:0;min-width:0}.header-logo{width:50px;height:50px;object-fit:contain;border-radius:8px}.logo-text{display:flex;flex-direction:column}.brand-name{font-size:24px;font-weight:700;color:var(--primary-blue);margin:0;line-height:1}.brand-subtitle{font-size:11px;color:var(--text-gray);margin:0;line-height:1.2;font-weight:400;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px}.header-nav{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.nav-link{text-decoration:none;font-weight:500;font-size:14px;color:var(--dark-gray);padding:8px 16px;border-radius:6px;transition:all .2s ease;position:relative}.nav-link:hover{color:var(--primary-blue);background-color:#f8f9fa}.nav-link:active{transform:translateY(1px)}.nav-link.active{color:var(--primary-blue);background-color:#1a2b5b1a;font-weight:600}.logo-link{display:flex;align-items:center;gap:15px;text-decoration:none;transition:opacity .3s ease;cursor:pointer}.logo-link:hover{opacity:.8}.logo-link:hover .brand-name{color:var(--primary-blue-light)}.auth-buttons{display:flex;gap:6px;align-items:center;margin-left:12px;padding-left:12px;border-left:1px solid var(--border-gray);flex-shrink:0}.auth-button{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:6px;font-weight:600;font-size:13px;text-decoration:none;border:none;cursor:pointer;transition:all .2s ease;white-space:nowrap}.login-button{color:var(--primary-blue);background-color:transparent;border:2px solid var(--primary-blue)}.login-button:hover{background-color:#1a2b5b1a;transform:translateY(-1px)}.register-button{color:#fff;background:linear-gradient(135deg,var(--primary-blue) 0%,var(--primary-blue-light) 100%);border:2px solid var(--primary-blue)}.register-button:hover{transform:translateY(-1px);box-shadow:0 2px 8px #1a2b5b33}.dashboard-button{color:#fff;background:linear-gradient(135deg,var(--primary-blue) 0%,var(--primary-blue-light) 100%)}.dashboard-button:hover{transform:translateY(-1px);box-shadow:0 2px 8px #1a2b5b33}.logout-button{color:var(--text-gray);background-color:var(--light-gray);border:2px solid var(--border-gray)}.logout-button:hover{background-color:var(--border-gray);transform:translateY(-1px)}@media (max-width: 768px){.header-content{flex-direction:column;gap:15px;padding:15px}.logo-section{flex-direction:column;text-align:center;gap:10px;width:100%}.brand-name{font-size:20px}.brand-subtitle{font-size:11px;max-width:100%;text-align:center}.header-nav{flex-wrap:wrap;justify-content:center;gap:4px;width:100%}.nav-link{font-size:13px;padding:6px 12px}.auth-buttons{margin-left:0;padding-left:0;border-left:none;border-top:1px solid var(--border-gray);padding-top:12px;margin-top:12px;width:100%;justify-content:center}.auth-button{flex:1;justify-content:center;max-width:150px;font-size:12px;padding:6px 10px}}@media (max-width: 480px){.header-nav{gap:2px}.nav-link{font-size:12px;padding:5px 8px}.auth-button{font-size:12px;padding:5px 10px;gap:4px}.auth-button svg{width:16px;height:16px}.brand-subtitle{max-width:150px;font-size:10px}}.navigation{background:linear-gradient(180deg,#1a2b5b,#2c3e50);color:var(--white);width:300px;padding:20px;min-height:calc(100vh - 120px);box-shadow:4px 0 20px #00000014;position:relative;transition:transform .3s ease}.nav-content{height:100%;overflow-y:auto;max-height:calc(100vh - 180px);padding-right:10px;scrollbar-width:thin;scrollbar-color:var(--accent-yellow) rgba(255,255,255,.1)}.nav-content::-webkit-scrollbar{width:6px}.nav-content::-webkit-scrollbar-track{background:#ffffff1a;border-radius:3px}.nav-content::-webkit-scrollbar-thumb{background-color:#fdcb2f;border-radius:3px}.nav-content::-webkit-scrollbar-thumb:hover{background:#e6b800}.nav-title{font-size:24px;font-weight:700;margin-bottom:20px;text-align:center}.subject-categories{display:flex;flex-direction:column;gap:15px}.subject-box{border:2px solid rgba(255,255,255,.2);border-radius:15px;padding:20px;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all .3s ease;margin-bottom:15px}.subject-box:hover{background:#fff3;transform:translate(5px);border-color:#fdcb2f}.subject-title{font-size:18px;font-weight:700;margin-bottom:10px;text-decoration:underline}.subject-list{list-style:none;padding-left:0}.subject-list li{padding:8px 12px;cursor:pointer;transition:all .3s ease;border-radius:8px;margin:2px 0}.subject-list li:hover{color:#fdcb2f;background:#fdcb2f1a;transform:translate(5px)}.subject-list li.active{color:#fdcb2f;background:#fdcb2f33;border-left:3px solid #FDCB2F;font-weight:700}@media (max-width: 768px){.nav-content{max-height:calc(100vh - 100px)}.navigation{width:85%;max-width:320px;min-height:100vh;position:fixed;top:0;left:0;transform:translate(-100%);z-index:1000;box-shadow:4px 0 20px #00000026;transition:transform .4s cubic-bezier(.4,0,.2,1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.navigation.open{transform:translate(0)}.mobile-menu-button{position:fixed;top:20px;left:20px;z-index:1001;background-color:#1a2b5b;color:#fff;border:none;border-radius:8px;padding:12px;cursor:pointer;display:flex;flex-direction:column;justify-content:space-around;width:44px;height:44px;box-shadow:0 4px 12px #1a2b5b33;transition:all .3s ease}.mobile-menu-button:hover{background-color:#2a4a8a;transform:scale(1.05);box-shadow:0 6px 16px #1a2b5b4d}.mobile-menu-button:active{transform:scale(.95)}.mobile-menu-button span{width:100%;height:3px;background-color:var(--white);border-radius:2px;transition:all .3s cubic-bezier(.4,0,.2,1);transform-origin:center}.mobile-menu-button.open span:nth-child(1){transform:rotate(45deg) translate(6px,6px)}.mobile-menu-button.open span:nth-child(2){opacity:0;transform:scaleX(0)}.mobile-menu-button.open span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}.overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0009;z-index:999;opacity:0;visibility:hidden;transition:all .3s ease;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.overlay.show{opacity:1;visibility:visible}}.courses-by-category{display:flex;flex-direction:column;gap:24px}.category-group{border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:16px}.category-group:last-child{border-bottom:none}.category-title{color:var(--accent-yellow);font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;margin:0 0 12px;padding:8px 12px;background:#fdcb2f1a;border-radius:6px;border-left:3px solid var(--accent-yellow)}.category-group .courses-list-simple{margin-top:8px}.course-section{scroll-margin-top:20px;padding:20px;margin-bottom:30px;border:1px solid #ddd;border-radius:5px;background-color:#fff}.courses-list-simple{list-style:none;padding:0;margin:0}.courses-list-simple li{padding:12px 16px;margin-bottom:8px;background:#ffffff1a;border-radius:8px;cursor:pointer;transition:all .3s ease;border:2px solid transparent}.courses-list-simple li:hover{background:#fff3;transform:translate(4px)}.courses-list-simple li.active{background:#fdcb2f;color:#1a2b5b;font-weight:600;border-color:#fdcb2f}.no-courses{text-align:center;padding:32px 16px;color:#ffffffb3}:root{--home-primary: #1A2B5B;--home-accent: #FDCB2F;--home-text: #333;--home-text-light: #666;--home-bg: #f8f9fa;--glass-bg: rgba(255, 255, 255, .1);--card-shadow: 0 10px 30px rgba(0, 0, 0, .05)}.home-page{font-family:Inter,sans-serif;color:var(--home-text);background:var(--home-bg);overflow-x:hidden}.highlight{color:var(--home-accent);position:relative;display:inline-block}.hero-section{position:relative;min-height:85vh;background:linear-gradient(135deg,#1a2b5b,#0d1730);color:#fff;display:flex;align-items:center;overflow:hidden}.hero-overlay{position:absolute;inset:0;background-image:radial-gradient(circle at 70% 30%,rgba(29,78,216,.15),transparent 50%)}.hero-container{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:50px;position:relative;z-index:2;width:100%}.hero-content{max-width:600px;padding:20px 0}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:var(--glass-bg);border:1px solid rgba(255,255,255,.2);border-radius:30px;font-size:.9rem;font-weight:600;color:var(--home-accent);margin-bottom:25px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.hero-title{font-size:clamp(3rem,5vw,4.5rem);font-weight:800;line-height:1.1;margin-bottom:25px}.hero-description{font-size:1.15rem;line-height:1.6;color:#ffffffd9;margin-bottom:40px;max-width:500px}.hero-buttons{display:flex;gap:15px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 28px;border-radius:50px;font-weight:700;font-size:1rem;text-decoration:none;transition:all .3s cubic-bezier(.25,1,.5,1);border:2px solid transparent}.btn-primary{background:var(--home-accent);color:var(--home-primary);box-shadow:0 4px 15px #fdcb2f4d}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 25px #fdcb2f80;background:#fff}.btn-secondary{background:#ffffff1a;color:#fff;border-color:#fff3;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.btn-secondary:hover{background:#fff;color:var(--home-primary);transform:translateY(-3px)}.hero-visual{display:flex;justify-content:center;align-items:center;perspective:1000px}.visual-card{position:relative;width:100%;max-width:450px;display:flex;justify-content:center}.floating-logo{width:100%;height:auto;filter:drop-shadow(0 20px 40px rgba(0,0,0,.3));animation:float 6s ease-in-out infinite}.visual-glow{position:absolute;width:300px;height:300px;background:var(--home-accent);opacity:.15;filter:blur(80px);z-index:-1;top:50%;left:50%;transform:translate(-50%,-50%)}@keyframes float{0%{transform:translateY(0) rotate(0)}50%{transform:translateY(-20px) rotate(1deg)}to{transform:translateY(0) rotate(0)}}.features-section{padding:100px 0;background:#fff}.section-header{text-align:center;margin-bottom:60px;display:flex;flex-direction:column;align-items:center}.section-title{font-size:2.5rem;color:var(--home-primary);font-weight:800;margin-bottom:15px}.section-line{width:80px;height:4px;background:var(--home-accent);border-radius:2px}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px}.feature-card{background:#fff;padding:35px 25px;border-radius:20px;box-shadow:var(--card-shadow);text-align:center;transition:all .3s ease;border:1px solid rgba(0,0,0,.03);position:relative;overflow:hidden}.feature-card:hover{transform:translateY(-10px);box-shadow:0 20px 40px #0000001a;border-color:#1a2b5b1a}.feature-icon-wrapper{width:70px;height:70px;border-radius:20px;display:flex;align-items:center;justify-content:center;margin:0 auto 25px;font-size:1.5rem}.feature-icon-wrapper.blue{background:#f0f4ff;color:var(--home-primary)}.feature-icon-wrapper.yellow{background:#fffbf0;color:#e6b800}.feature-card h3{font-size:1.3rem;color:var(--home-primary);margin-bottom:15px;font-weight:700}.feature-card p{color:var(--home-text-light);line-height:1.6;font-size:.95rem}.stats-section{background:linear-gradient(to right,#1a2b5b,#223a75);padding:60px 0;color:#fff}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:40px;text-align:center}.stat-item{padding:10px}.stat-number{font-size:3.5rem;font-weight:900;color:var(--home-accent);display:block;margin-bottom:5px}.stat-label{font-size:1rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;opacity:.8}.quick-links-section{padding:100px 0;background:#f8f9fa}.section-subtitle{color:var(--home-text-light);font-size:1.1rem}.quick-links-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:25px}.nav-card{background:#fff;border-radius:16px;padding:25px;display:flex;align-items:center;justify-content:space-between;text-decoration:none;box-shadow:var(--card-shadow);transition:all .3s ease;border:1px solid transparent}.nav-card:hover{transform:translateY(-5px) scale(1.02);box-shadow:0 15px 30px #00000014;border-color:var(--home-primary)}.nav-card-content{display:flex;flex-direction:column;gap:5px}.nav-icon{color:var(--home-primary);margin-bottom:10px}.nav-card h3{font-size:1.25rem;color:var(--home-primary);margin:0;font-weight:700}.nav-card p{font-size:.9rem;color:var(--home-text-light);margin:0}.nav-arrow{color:var(--home-accent);opacity:0;transform:translate(-10px);transition:all .3s ease}.nav-card:hover .nav-arrow{opacity:1;transform:translate(0)}.cta-section{padding:0 0 80px}.cta-box{background:var(--home-primary);border-radius:20px;padding:60px;text-align:center;color:#fff;position:relative;overflow:hidden;box-shadow:0 20px 40px #1a2b5b33}.cta-box:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.05) 0%,transparent 60%);animation:rotate 20s linear infinite}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.cta-box h2{font-size:2.5rem;font-weight:800;margin-bottom:15px;position:relative;z-index:2}.cta-box p{font-size:1.2rem;opacity:.8;margin-bottom:30px;position:relative;z-index:2}.btn-cta{background:var(--home-accent);color:var(--home-primary);padding:16px 40px;font-size:1.1rem;position:relative;z-index:2;box-shadow:0 5px 20px #0003}.btn-cta:hover{background:#fff;transform:scale(1.05)}.fade-in{animation:fadeIn 1s ease forwards}@media (max-width: 900px){.hero-container{grid-template-columns:1fr;text-align:center;gap:40px}.hero-content{margin:0 auto}.hero-buttons{justify-content:center}.stat-number{font-size:2.5rem}}@media (max-width: 600px){.hero-title{font-size:2.5rem}.hero-section{min-height:auto;padding:100px 0 60px}.cta-box{padding:40px 20px}.cta-box h2{font-size:2rem}}.material-menu-overlay{position:fixed;inset:0;background:#000c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;display:flex;align-items:center;justify-content:center;animation:fadeIn .3s ease-out}.material-menu{background:#fff;border-radius:20px;box-shadow:0 25px 50px -12px #00000040;max-width:95vw;max-height:90vh;width:1200px;overflow:hidden;display:flex;flex-direction:column;animation:slideUp .4s ease-out}.menu-header{display:flex;align-items:center;justify-content:space-between;padding:24px 32px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.menu-title{display:flex;align-items:center;gap:12px}.menu-title h2{margin:0;font-size:1.5rem;font-weight:600}.close-btn{background:#fff3;border:none;color:#fff;padding:8px;border-radius:8px;cursor:pointer;transition:all .2s ease}.close-btn:hover{background:#ffffff4d;transform:scale(1.05)}.menu-search{padding:24px 32px 16px;background:#f8fafc;border-bottom:1px solid #e2e8f0}.search-box{position:relative;max-width:400px}.search-box svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:#64748b}.search-box input{width:100%;padding:12px 16px 12px 44px;border:2px solid #e2e8f0;border-radius:12px;font-size:14px;transition:all .2s ease;background:#fff}.search-box input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.categories-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;padding:24px 32px;flex:1}.category-box{cursor:pointer;transition:all .3s ease}.category-box:hover{transform:translateY(-5px)}.category-card{height:200px;border-radius:20px;overflow:hidden;box-shadow:0 8px 25px -8px #0003;transition:all .3s ease;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#fff;padding:24px}.category-card:before{content:"";position:absolute;inset:0;background:linear-gradient(45deg,rgba(255,255,255,.1) 0%,transparent 100%);opacity:0;transition:opacity .3s ease}.category-box:hover .category-card:before{opacity:1}.category-box:hover .category-card{box-shadow:0 15px 35px -5px #0000004d}.category-icon{background:#fff3;padding:16px;border-radius:16px;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);margin-bottom:16px}.category-info{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center}.category-info h3{margin:0 0 8px;font-size:1.4rem;font-weight:600}.category-info p{margin:0 0 12px;opacity:.9;font-size:14px;line-height:1.4}.category-count{background:#fff3;padding:6px 16px;border-radius:20px;font-size:12px;font-weight:500;display:inline-block}.category-hover-effect{position:absolute;top:16px;right:16px;background:#fff3;padding:8px;border-radius:50%;opacity:0;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.category-box:hover .category-hover-effect{opacity:1;transform:translate(5px)}.materials-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1001;display:flex;align-items:center;justify-content:center;animation:fadeIn .3s ease-out}.materials-modal{background:#fff;border-radius:16px;box-shadow:0 25px 50px -12px #00000040;max-width:90vw;max-height:80vh;width:1000px;overflow:hidden;display:flex;flex-direction:column;animation:slideUp .4s ease-out}.materials-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.materials-header h3{margin:0;font-size:1.3rem;font-weight:600}.close-materials-btn{background:#fff3;border:none;color:#fff;padding:8px;border-radius:8px;cursor:pointer;transition:all .2s ease}.close-materials-btn:hover{background:#ffffff4d}.materials-content{flex:1;overflow-y:auto;padding:24px}.materials-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:20px}.material-item{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 4px #0000001a;transition:all .3s ease;border:1px solid #e2e8f0}.material-item:hover{transform:translateY(-2px);box-shadow:0 8px 25px -8px #00000026}.video-item .item-thumbnail{position:relative;width:100%;height:200px;overflow:hidden}.video-item .item-thumbnail img{width:100%;height:100%;object-fit:cover}.play-overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#000000b3;color:#fff;padding:12px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.video-item:hover .play-overlay{background:#667eeae6;transform:translate(-50%,-50%) scale(1.1)}.duration-badge{position:absolute;bottom:8px;right:8px;background:#000c;color:#fff;padding:4px 8px;border-radius:6px;font-size:12px;font-weight:500}.item-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 12px}.item-icon{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:8px;border-radius:8px;display:flex;align-items:center;justify-content:center}.difficulty-badge{padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600;text-transform:uppercase}.difficulty-badge.básico{background:#dcfce7;color:#166534}.difficulty-badge.intermedio{background:#fef3c7;color:#92400e}.difficulty-badge.avanzado{background:#fee2e2;color:#991b1b}.format-badge,.type-badge{background:#e0e7ff;color:#3730a3;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600}.item-content{padding:0 20px 20px}.item-content h4{margin:0 0 8px;font-size:1.1rem;font-weight:600;color:#1f2937}.item-content p{margin:0 0 12px;color:#6b7280;font-size:14px;line-height:1.5}.item-content .author{font-style:italic;color:#9ca3af;font-size:13px}.item-meta{display:flex;gap:16px;margin-bottom:16px;font-size:13px;color:#6b7280}.item-meta span{display:flex;align-items:center;gap:4px}.features-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.feature-tag{background:#f3f4f6;color:#374151;padding:4px 10px;border-radius:16px;font-size:12px;font-weight:500}.item-actions{display:flex;gap:8px}.action-btn{display:flex;align-items:center;gap:6px;padding:8px 16px;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease}.action-btn.primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.action-btn.primary:hover{transform:translateY(-1px);box-shadow:0 4px 12px #667eea4d}.action-btn.secondary{background:#f3f4f6;color:#6b7280;padding:8px}.action-btn.secondary:hover{background:#e5e7eb;color:#374151}.welcome-message{text-align:center;padding:60px 20px;color:#6b7280}.welcome-icon{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;width:80px;height:80px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 24px}.welcome-message h3{margin:0 0 12px;font-size:1.5rem;font-weight:600;color:#1f2937}.welcome-message p{margin:0;font-size:16px;line-height:1.6}@keyframes slideUp{0%{opacity:0;transform:translateY(50px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.material-menu{max-width:100vw;max-height:100vh;border-radius:0;width:100%;height:100%}.menu-header{padding:20px 16px}.menu-title h2{font-size:1.25rem}.menu-search{padding:16px}.categories-grid{grid-template-columns:1fr;padding:16px;gap:16px}.category-card{height:160px}.category-info h3{font-size:1.2rem}.materials-modal{max-width:100vw;max-height:100vh;width:100%;height:100%;border-radius:0}.materials-grid{grid-template-columns:1fr;gap:16px}.materials-content{padding:16px}.video-item .item-thumbnail{height:180px}.item-actions{flex-direction:column}.action-btn{justify-content:center}}@media (max-width: 480px){.menu-header{padding:16px 12px}.menu-search,.categories-grid,.materials-grid{padding:12px}.category-gradient{padding:12px 16px;gap:12px}.category-icon{padding:8px}.item-header{padding:12px 16px 8px}.item-content{padding:0 16px 16px}.welcome-message{padding:40px 16px}.welcome-icon{width:60px;height:60px}}.bg-gradient-to-r{background-image:linear-gradient(to right,var(--tw-gradient-stops))}.from-red-500{--tw-gradient-from: #ef4444;--tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(239, 68, 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h3{display:flex;align-items:center;gap:12px;color:var(--primary-blue);font-size:1.5rem;font-weight:600;margin:0 0 20px}.profile-section h3 svg{color:var(--primary-blue)}.subjects-grid{display:flex;flex-wrap:wrap;gap:12px}.subject-tag{background:linear-gradient(135deg,var(--primary-blue),#4f46e5);color:var(--white);padding:8px 16px;border-radius:20px;font-weight:500;font-size:.95rem;box-shadow:0 4px 15px #3b82f64d}.research-list{display:flex;flex-direction:column;gap:20px}.research-item{background:var(--light-gray);border-radius:12px;padding:20px;border-left:4px solid var(--primary-blue)}.research-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.research-header h4{color:var(--primary-blue);font-size:1.2rem;font-weight:600;margin:0}.status{padding:4px 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h2{font-size:1.4rem}}.join-research-page{background-color:var(--light-gray);min-height:100vh;padding:20px 0}.container{max-width:1200px;margin:0 auto;padding:0 20px}.page-header{display:flex;align-items:center;margin-bottom:40px;gap:20px}.back-button{display:flex;align-items:center;gap:8px;padding:10px 16px;background:var(--white);color:var(--primary-blue);text-decoration:none;border-radius:8px;border:2px solid var(--primary-blue);font-weight:500;transition:all .3s ease;cursor:pointer}.back-button:hover{background:var(--primary-blue);color:var(--white);transform:translateY(-2px);box-shadow:0 8px 20px #3b82f64d}.page-header h1{color:var(--primary-blue);font-size:2.5rem;font-weight:700;margin:0}.researcher-content{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-bottom:40px;align-items:start}.researcher-image{border-radius:16px;overflow:hidden;box-shadow:0 10px 30px #00000026;position:sticky;top:20px}.researcher-image img{width:100%;height:auto;display:block;object-fit:cover;transition:transform .3s ease}.researcher-image:hover img{transform:scale(1.02)}.researcher-info{display:flex;flex-direction:column;gap:30px}.info-block{background:var(--white);padding:25px;border-radius:16px;box-shadow:0 5px 15px #0000000d;border-left:5px solid var(--primary-blue)}.info-block h2{color:var(--primary-blue);font-size:1.5rem;margin-bottom:20px;display:flex;align-items:center;gap:10px}.info-block p{color:var(--dark-gray);line-height:1.6;margin-bottom:15px}.requirements-list{list-style:none;padding:0;margin:0}.requirements-list li{display:flex;align-items:flex-start;gap:12px;padding:12px 15px;background-color:#f8f9fa;border-radius:8px;margin-bottom:10px;transition:background-color .2s}.requirements-list li:hover{background-color:#f0f4f8}.requirements-list li svg{color:var(--primary-blue);flex-shrink:0;margin-top:3px}.procedure-card{background:linear-gradient(to right,#f8f9fa,#fff);border:1px solid #e9ecef;border-radius:12px;padding:20px}.procedure-card h3{color:var(--primary-blue);font-size:1.2rem;margin-bottom:10px}.contact-section{background:linear-gradient(135deg,var(--primary-blue),#2c3e50);color:var(--white);padding:40px;border-radius:16px;text-align:center;margin-top:20px}.contact-section h3{font-size:1.8rem;font-weight:600;margin-bottom:15px}.contact-section p{font-size:1.1rem;margin-bottom:30px;opacity:.9}.contact-info{display:flex;justify-content:center;gap:40px;flex-wrap:wrap}.contact-item{display:flex;flex-direction:column;align-items:center;gap:5px}.contact-label{font-size:.9rem;opacity:.8}.contact-value{font-size:1.2rem;font-weight:600;color:var(--accent-yellow)}@media (max-width: 900px){.researcher-content{grid-template-columns:1fr}.researcher-image{position:static;max-height:400px}.researcher-image img{height:100%;max-height:400px}}@media (max-width: 480px){.page-header{flex-direction:column;text-align:center}.page-header h1{font-size:1.8rem}.contact-section{padding:30px 20px}}:root{--about-primary: #1A2B5B;--about-secondary: #0ea5a3;--about-accent: #FDCB2F;--about-text-dark: #2c3e50;--about-text-light: #64748b;--about-bg: #f8f9fa;--card-shadow: 0 10px 30px rgba(0, 0, 0, .06);--card-hover-shadow: 0 20px 40px rgba(0, 0, 0, .12)}.about-page{font-family:Inter,system-ui,-apple-system,sans-serif;color:var(--about-text-dark);background-color:var(--about-bg);min-height:100vh;overflow-x:hidden}.about-hero{position:relative;min-height:60vh;background-image:url(https://images.unsplash.com/photo-1523240795612-9a054b0db644?q=80&w=1920&auto=format&fit=crop);background-size:cover;background-position:center;background-attachment:fixed;display:flex;align-items:center;justify-content:center;text-align:center;margin-bottom:60px}.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,#1a2b5be6,#1a2b5bb3);z-index:1}.hero-content{position:relative;z-index:2;color:#fff;padding:20px;max-width:800px}.hero-badge{display:inline-block;background:#ffffff1a;padding:8px 16px;border-radius:30px;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);border:1px solid rgba(255,255,255,.2);margin-bottom:20px;font-size:.9rem;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--about-accent)}.about-title{font-size:clamp(3rem,6vw,5rem);font-weight:900;margin-bottom:20px;line-height:1;text-shadow:0 4px 15px rgba(0,0,0,.2)}.hero-subtitle{font-size:clamp(1.1rem,2vw,1.5rem);opacity:.9;font-weight:300;line-height:1.6}.about-container{max-width:1200px;margin:0 auto;padding:0 20px 60px}.strategic-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:40px;margin-bottom:80px}.strategic-card{background:#fff;padding:40px;border-radius:20px;box-shadow:var(--card-shadow);transition:all .4s ease;border:1px solid rgba(0,0,0,.03);position:relative;overflow:hidden}.strategic-card:hover{transform:translateY(-10px);box-shadow:var(--card-hover-shadow)}.strategic-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px}.mission-card:before{background:var(--about-secondary)}.vision-card:before{background:var(--about-accent)}.card-icon-wrapper{width:60px;height:60px;background:#f0f4ff;border-radius:16px;display:flex;align-items:center;justify-content:center;color:var(--about-primary);margin-bottom:25px;font-size:1.5rem}.strategic-card h2{font-size:2rem;color:var(--about-primary);margin-bottom:15px;font-weight:800}.strategic-card p{color:var(--about-text-light);line-height:1.7;font-size:1.1rem}.impact-section{background:linear-gradient(135deg,#fff,#f1f5f9);padding:50px;border-radius:24px;margin-bottom:80px;border:1px solid rgba(0,0,0,.05)}.impact-header{display:flex;align-items:center;gap:12px;margin-bottom:40px;color:var(--about-primary)}.impact-header h2{font-weight:800;font-size:1.8rem;margin:0}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:30px}.stat-item{text-align:center;padding:20px}.stat-number{display:block;font-size:3rem;font-weight:900;color:var(--about-secondary);line-height:1;margin-bottom:10px}.stat-label{color:var(--about-text-light);font-weight:700;font-size:.9rem;text-transform:uppercase;letter-spacing:.5px}.section-header-center{text-align:center;margin-bottom:50px;display:flex;flex-direction:column;align-items:center}.section-icon-center{color:var(--about-accent);margin-bottom:15px}.section-header-center h2{font-size:2.5rem;color:var(--about-primary);font-weight:800;margin:0 0 10px}.section-subtitle{color:var(--about-text-light);font-size:1.2rem}.divider-center{width:60px;height:4px;background:var(--about-secondary);margin-top:15px;border-radius:2px}.values-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px;margin-bottom:80px}.value-item{background:#fff;padding:30px 20px;border-radius:16px;text-align:center;box-shadow:var(--card-shadow);transition:transform .3s ease;display:flex;flex-direction:column;align-items:center;gap:15px;border:1px solid transparent}.value-item:hover{transform:translateY(-5px);border-color:var(--about-secondary)}.value-icon-lucide{color:var(--about-primary);opacity:.8}.value-item span{font-weight:700;color:var(--about-text-dark)}.board-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:30px;margin-bottom:80px}.board-member-card{background:#fff;border-radius:20px;padding:30px 20px;text-align:center;box-shadow:var(--card-shadow);transition:all .3s ease}.board-member-card:hover{transform:translateY(-5px)}.member-avatar-placeholder{width:80px;height:80px;background:linear-gradient(135deg,#e0e7ff,#f0fdf4);border-radius:50%;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:800;color:var(--about-primary);box-shadow:0 5px 15px #0000000d}.member-name{font-size:1.15rem;font-weight:700;color:var(--about-text-dark);margin-bottom:5px}.member-role{color:var(--about-secondary);font-size:.9rem;font-weight:600;text-transform:uppercase}.timeline-section{position:relative;margin-bottom:80px}.timeline-container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;position:relative}.timeline-item{flex:1;min-width:250px;background:#fff;padding:25px;border-radius:16px;box-shadow:var(--card-shadow);border-left:4px solid var(--about-accent)}.timeline-date{font-weight:900;font-size:1.5rem;color:var(--about-primary);opacity:.2;margin-bottom:10px}.timeline-content h3{font-size:1.3rem;color:var(--about-text-dark);margin-bottom:10px}.carousel-container-modern{position:relative;max-width:900px;margin:0 auto 80px;border-radius:20px;overflow:hidden;box-shadow:0 20px 50px #0003}.carousel-wrapper{aspect-ratio:16/9;width:100%}.carousel-track{display:flex;width:1000%;height:100%;transition:transform .5s cubic-bezier(.25,1,.5,1)}.carousel-slide{width:10%;height:100%;position:relative}.carousel-slide img{width:100%;height:100%;object-fit:cover}.carousel-btn{position:absolute;top:50%;transform:translateY(-50%);background:#ffffffe6;border:none;width:44px;height:44px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 10px #0000001a;transition:all .2s;z-index:10}.carousel-btn:hover{background:#fff;transform:translateY(-50%) scale(1.1)}.prev-btn{left:20px}.next-btn{right:20px}.carousel-indicators{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;gap:8px}.indicator{width:8px;height:8px;border-radius:50%;background:#fff6;cursor:pointer;transition:all .3s}.indicator.active{background:#fff;width:24px;border-radius:4px}.contact-section-modern{background:var(--about-primary);border-radius:24px;padding:60px 20px;color:#fff;text-align:center}.contact-card h2{font-size:2.2rem;margin-bottom:10px;font-weight:800}.contact-card p{opacity:.8;margin-bottom:40px;font-size:1.1rem}.contact-methods{display:flex;justify-content:center;gap:40px;flex-wrap:wrap}.contact-method{display:flex;flex-direction:column;align-items:center;gap:10px}.contact-icon{color:var(--about-accent)}.fade-in{animation:fadeIn .8s ease forwards}.fade-in-up{animation:fadeInUp .8s ease forwards}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.about-title{font-size:2.5rem}.strategic-grid{grid-template-columns:1fr}.timeline-container{flex-direction:column}}.login-page{min-height:100vh;display:flex;justify-content:center;align-items:center;background:linear-gradient(135deg,var(--primary-blue) 0%,var(--primary-blue-dark) 100%);padding:20px}.login-container{background:#fff;border-radius:12px;box-shadow:0 8px 32px #0000001f;padding:40px;width:100%;max-width:450px;position:relative;border:1px solid var(--shadow-sm)}.login-header{text-align:center;margin-bottom:32px}.login-header h1{color:var(--primary-blue);font-size:2.5rem;margin-bottom:8px;font-weight:700}.login-header p{color:var(--text-gray);font-size:.95rem}.login-form{display:flex;flex-direction:column;gap:20px}.form-group input:disabled{background-color:var(--light-gray);cursor:not-allowed}.login-button{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;background:linear-gradient(135deg,var(--primary-blue) 0%,var(--primary-blue-light) 100%);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;margin-top:8px}.login-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #1a2b5b4d}.login-button:disabled{opacity:.6;cursor:not-allowed}.login-footer{text-align:center;margin-top:24px;padding-top:24px;border-top:1px solid var(--border-gray)}.login-footer p{color:var(--text-gray);margin-bottom:8px}.register-link{color:var(--primary-blue);font-weight:600;text-decoration:none;transition:color .3s ease}.register-link:hover{color:var(--primary-blue-light);text-decoration:underline}.register-page{min-height:100vh;display:flex;justify-content:center;align-items:center;background:linear-gradient(135deg,var(--primary-blue) 0%,var(--primary-blue-dark) 100%);padding:20px}.register-container{background:#fff;border-radius:12px;box-shadow:0 8px 32px #0000001f;padding:40px;width:100%;max-width:500px;position:relative;border:1px solid var(--shadow-sm)}.home-link-button{position:absolute;top:20px;right:20px;display:flex;align-items:center;gap:6px;padding:8px 16px;background:var(--light-gray);border:2px solid var(--border-gray);border-radius:8px;color:var(--text-gray);font-size:.9rem;font-weight:600;cursor:pointer;transition:all .3s ease;text-decoration:none}.home-link-button:hover{background:var(--primary-blue);color:#fff;border-color:var(--primary-blue);transform:translateY(-2px)}.register-header{text-align:center;margin-bottom:32px}.register-header h1{color:var(--primary-blue);font-size:2rem;margin-bottom:8px;font-weight:700}.register-header p{color:var(--text-gray);font-size:.95rem}.register-form{display:flex;flex-direction:column;gap:20px}.form-group label{display:flex;align-items:center;gap:8px;color:var(--primary-blue);font-weight:600;font-size:.9rem}.form-group input{padding:12px 16px;border:2px solid var(--border-gray);border-radius:8px;font-size:1rem;transition:all .3s ease}.form-group input:focus{outline:none;border-color:var(--primary-blue);box-shadow:0 0 0 3px #1a2b5b1a}.form-group input:disabled{background-color:var(--light-gray);cursor:not-allowed;opacity:.6}.form-group input.validated{border-color:#4caf50;background-color:#f1f8f4}.access-key-group{position:relative}.check-icon{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:#4caf50;pointer-events:none}.validation-message{font-size:.85rem;margin-top:4px}.validation-message.success{color:#4caf50}.register-button{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;background:linear-gradient(135deg,var(--primary-blue) 0%,var(--primary-blue-light) 100%);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;margin-top:8px}.register-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #1a2b5b4d}.register-button:disabled{opacity:.6;cursor:not-allowed}.register-footer{text-align:center;margin-top:24px;padding-top:24px;border-top:1px solid var(--border-gray)}.register-footer p{color:var(--text-gray);margin-bottom:8px}.login-link{color:var(--primary-blue);font-weight:600;text-decoration:none;transition:color .3s ease}.login-link:hover{color:var(--primary-blue-light);text-decoration:underline}.wall-page{min-height:100vh;background:#f5f7fa;display:flex;flex-direction:column}.wall-main{flex:1}.wall-hero{background:linear-gradient(135deg,#1a2b5b,#2a4a8a);color:#fff;padding:60px 20px;text-align:center}.wall-hero-content{max-width:800px;margin:0 auto}.wall-hero h1{font-size:3rem;margin-bottom:16px;font-weight:800;letter-spacing:-.5px}.wall-hero p{font-size:1.2rem;opacity:.9;line-height:1.6}.wall-container{max-width:700px;margin:-30px auto 40px;padding:0 20px;position:relative;z-index:2}.posts-feed{display:flex;flex-direction:column;gap:24px}.post-card{background:#fff;border-radius:16px;box-shadow:0 4px 12px #00000014;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease}.post-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #0000001f}.post-header{display:flex;align-items:center;gap:16px;padding:20px 24px;border-bottom:1px solid rgba(0,0,0,.05)}.post-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover;border:2px solid #e0e0e0}.post-author-info h3{margin:0 0 4px;color:#1a2b5b;font-size:1.1rem;font-weight:600}.post-author-info time{display:flex;align-items:center;gap:6px;color:#888;font-size:.85rem}.post-delete-btn{margin-left:auto;background:transparent;border:1px solid #e2e8f0;color:#ef4444;width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.post-delete-btn:hover{background:#fee2e2;border-color:#fca5a5}.post-delete-btn:disabled{opacity:.5;cursor:not-allowed}.post-content{padding:24px}.post-content p{color:#333;line-height:1.7;font-size:1.05rem;margin:0 0 20px;white-space:pre-line}.post-content p:last-child{margin-bottom:0}.post-link{display:flex;align-items:center;gap:16px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:16px;text-decoration:none;transition:all .3s ease}.post-link:hover{background:#f1f5f9;border-color:#cbd5e1}.post-link-icon{background:#1a2b5b1a;color:#1a2b5b;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:8px}.post-link-info{display:flex;flex-direction:column;overflow:hidden}.post-link-title{color:#1e293b;font-weight:600;font-size:.95rem;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.post-link-url{color:#64748b;font-size:.85rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.post-image-container{width:100%;max-height:400px;background:#f8fafc;border-top:1px solid rgba(0,0,0,.05);display:flex;justify-content:center;align-items:center;padding:16px;box-sizing:border-box}.post-image{max-width:100%;max-height:360px;object-fit:contain;border-radius:8px;box-shadow:0 2px 8px #0000001a}.wall-loading,.wall-empty{background:#fff;border-radius:16px;padding:60px 20px;text-align:center;box-shadow:0 4px 12px #00000014}.spinner{width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid #1A2B5B;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}.wall-empty h2{color:#1a2b5b;font-size:1.5rem;margin:16px 0 8px}.wall-empty p{color:#666;max-width:400px;margin:0 auto}.wall-empty svg{color:#cbd5e1}@media (max-width: 768px){.wall-hero h1{font-size:2.2rem}.post-header,.post-content{padding:16px}}.profile-editor-page{min-height:100vh;background:#f5f7fa;padding:20px}.profile-form{display:flex;flex-direction:column;gap:32px}.form-section{padding:24px;background:#f9fafb;border-radius:12px;border:2px solid #e0e0e0}.form-section h3{display:flex;align-items:center;gap:8px;color:#1a2b5b;font-size:1.3rem;margin-bottom:20px}.photo-section{text-align:center}.photo-upload-container{display:flex;flex-direction:column;align-items:center;gap:20px}.photo-preview{width:150px;height:150px;border-radius:50%;overflow:hidden;border:4px solid #1A2B5B;box-shadow:0 4px 12px #1a2b5b33}.photo-preview img{width:100%;height:100%;object-fit:cover}.photo-placeholder{width:100%;height:100%;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;color:#fff}.photo-upload-actions{display:flex;flex-direction:column;align-items:center;gap:12px;width:100%;max-width:300px}.upload-photo-button{display:flex;align-items:center;gap:8px;padding:12px 24px;background:#1a2b5b;color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;width:100%;justify-content:center}.upload-photo-button:hover:not(:disabled){background:#2a4a8a;transform:translateY(-2px)}.upload-photo-button:disabled{opacity:.6;cursor:not-allowed}.upload-progress-bar{width:100%;height:6px;background:#e0e0e0;border-radius:3px;overflow:hidden}.upload-progress-fill{height:100%;background:linear-gradient(90deg,#1a2b5b,#667eea);transition:width .3s ease}.photo-hint{font-size:.85rem;color:#666;margin:0}.form-group{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}.list-input-group{display:flex;gap:8px;margin-bottom:16px}.list-input-group input{flex:1;padding:10px 12px;border:2px solid #e0e0e0;border-radius:8px;font-size:.95rem}.add-button{display:flex;align-items:center;justify-content:center;padding:10px 16px;background:#1a2b5b;color:#fff;border:none;border-radius:8px;cursor:pointer;transition:all .3s ease}.add-button:hover:not(:disabled){background:#2a4a8a}.add-button:disabled{opacity:.5;cursor:not-allowed}.tags-list{display:flex;flex-wrap:wrap;gap:8px}.tag{display:flex;align-items:center;gap:6px;padding:6px 12px;background:#1a2b5b;color:#fff;border-radius:20px;font-size:.9rem}.tag-remove{background:#fff3;border:none;color:#fff;border-radius:50%;width:20px;height:20px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease}.tag-remove:hover:not(:disabled){background:#ffffff4d}.achievements-list{display:flex;flex-direction:column;gap:8px}.achievement-item{display:flex;justify-content:space-between;align-items:center;padding:12px;background:#fff;border:2px solid #e0e0e0;border-radius:8px}.achievement-item span{color:#333;flex:1}.remove-button{background:none;border:none;color:#c33;cursor:pointer;padding:4px;border-radius:4px;transition:all .3s ease}.remove-button:hover:not(:disabled){background:#cc33331a}.add-research-button{display:flex;align-items:center;gap:8px;padding:10px 16px;background:#1a2b5b;color:#fff;border:none;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s ease;margin-bottom:16px}.add-research-button:hover:not(:disabled){background:#2a4a8a;transform:translateY(-2px)}.research-form-card{background:#fff;border:2px solid #1A2B5B;border-radius:12px;padding:20px;margin-bottom:16px}.research-form-card 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640px){.tutors-page{padding:60px 16px 32px}.tutors-header h1{font-size:2rem}.tutors-header p{font-size:1rem}.tutors-grid{grid-template-columns:1fr;gap:16px}.tutor-card{padding:20px}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;background-color:#f8f9fa;line-height:1.6;color:#333}.app{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;background:#f8f9fa;overflow-x:hidden}:root{--primary-blue: #1A2B5B;--primary-blue-light: #2a4a8a;--primary-blue-dark: #0f1a3a;--accent-yellow: #FDCB2F;--accent-yellow-dark: #e6b800;--accent-orange: #FF6B35;--light-gray: #f8f9fa;--white: #ffffff;--dark-gray: #2c3e50;--text-gray: #666;--border-gray: #e0e0e0;--success-green: #28a745;--warning-orange: #fd7e14;--info-blue: #17a2b8;--danger-red: #dc3545;--shadow-sm: rgba(0, 0, 0, .05);--shadow-md: rgba(0, 0, 0, .08);--shadow-lg: rgba(0, 0, 0, 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