:root{--primary-dark:#400106;--primary:#8c0410;--accent:#f21628;--light:#f2f2f2;--dark:#0d0d0d;--gray-100:#1a1a1a;--gray-200:#2a2a2a;--gray-300:#3a3a3a;--gray-400:#4a4a4a;--gray-500:#5a5a5a;--gray-600:#6a6a6a;--gray-700:#7a7a7a;--gray-800:#8a8a8a;--gray-900:#9a9a9a}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--dark);color:var(--light);line-height:1.6;overflow-x:hidden}.container{width:90%;max-width:1200px;margin:0 auto;padding:0 20px}@media (min-width:1400px){.container{max-width:1400px}}@media (min-width:1600px){.container{max-width:1600px}}@media (min-width:1920px){.container{max-width:1800px}}@media (min-width:2560px){.container{max-width:2200px}}@keyframes slideDown{0%{opacity:0;max-height:0;transform:translateY(-10px)}to{opacity:1;max-height:500px;transform:translateY(0)}}@keyframes pulse{0%{box-shadow:0 8px 25px rgba(140,4,16,.4)}50%{box-shadow:0 8px 30px rgba(242,22,40,.6)}to{box-shadow:0 8px 25px rgba(140,4,16,.4)}}@keyframes swing{0%{transform:rotate(0deg) translateY(0)}25%{transform:rotate(5deg) translateY(-5px)}50%{transform:rotate(0deg) translateY(0)}75%{transform:rotate(-5deg) translateY(-5px)}to{transform:rotate(0deg) translateY(0)}}@keyframes neonGlow{0%,to{opacity:.3}50%{opacity:.6}}@keyframes gridMove{0%{transform:translate(0)}to{transform:translate(10px,10px)}}@keyframes authPulse{0%{box-shadow:0 20px 40px rgba(0,0,0,.3);border-color:rgba(242,22,40,.2)}50%{box-shadow:0 20px 40px rgba(242,22,40,.2);border-color:rgba(242,22,40,.4)}to{box-shadow:0 20px 40px rgba(0,0,0,.3);border-color:rgba(242,22,40,.2)}}@keyframes spin{to{transform:rotate(1turn)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width:768px){.periodos-wrapper{margin:0 -10px}.periodos-container{padding:0 50px}.periodo-column{flex:0 0 280px;min-width:280px;max-width:280px;padding:1.25rem}.scroll-arrow{width:40px;height:40px;font-size:1rem}.scroll-arrow.left{left:20px}.scroll-arrow.right{right:20px}}@media (min-width:1200px){.periodo-column{flex:0 0 300px;min-width:300px;max-width:300px;padding:1.75rem}.periodos-grid{gap:2rem;padding:0 1rem}}@media (min-width:1600px){.periodo-column{flex:0 0 340px;min-width:340px;max-width:340px;padding:2rem}.periodos-grid{gap:2.5rem;padding:0 1.5rem}}.header{position:fixed;top:0;left:0;right:0;background:hsla(0,0%,5%,.95);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:2px solid var(--accent);z-index:1000;transition:all .3s ease}.nav-container{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;max-width:1200px;margin:0 auto}.logo,.logo-link{display:flex;align-items:center;gap:.5rem}.logo-link{text-decoration:none}.logo-img{width:50px;height:50px;object-fit:contain;border-radius:8px}.logo-text{font-size:1.5rem;font-weight:700;color:var(--accent);letter-spacing:-.5px}.nav-menu{display:flex;list-style:none;gap:2rem;align-items:center}.nav-link{color:var(--light);text-decoration:none;font-weight:500;transition:color .3s ease;position:relative}.nav-link:hover{color:var(--accent)}.nav-link:after{content:"";position:absolute;bottom:-5px;left:0;width:0;height:2px;background:var(--accent);transition:width .3s ease}.nav-link:hover:after{width:100%}.btn-login{background:linear-gradient(135deg,var(--accent),var(--primary));color:var(--light);border:none;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px rgba(242,22,40,.3)}.btn-login:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(242,22,40,.4)}.hamburger{display:none;flex-direction:column;cursor:pointer;gap:4px}.hamburger span{width:25px;height:3px;background:var(--light);transition:all .3s ease}.hamburger.active span:first-child{transform:rotate(45deg) translate(5px,5px)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.user-menu{display:flex;align-items:center;gap:1rem}.user-email{opacity:.8}.btn-logout,.user-email{color:var(--light);font-size:.9rem}.btn-logout{background-color:var(--gray-300);border:none;padding:.5rem 1rem;border-radius:.5rem;font-weight:500;cursor:pointer;transition:all .3s ease}.btn-logout:hover{background-color:var(--accent);transform:translateY(-2px)}@media (max-width:768px){.nav-menu{position:fixed;top:80px;left:-100%;flex-direction:column;background:var(--gray-100);width:100%;text-align:center;transition:.3s;box-shadow:0 10px 27px rgba(0,0,0,.05);padding:2rem 0;z-index:999}.nav-menu.active{left:0}.hamburger{display:flex}}@media (max-width:480px){.nav-container{padding:1rem}}.hero{min-height:100vh;display:flex;align-items:center;background:linear-gradient(135deg,var(--dark) 0,var(--primary-dark) 50%,var(--dark) 100%);position:relative;overflow:hidden;padding-top:80px}.hero:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23F21628" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');opacity:.3}.hero-content{display:grid;grid-template-columns:1fr 1fr;grid-gap:4rem;gap:4rem;align-items:center;max-width:1200px;margin:0 auto;padding:0 2rem;position:relative;z-index:2}.hero-text{max-width:600px}.hero-title{font-size:3.5rem;font-weight:800;line-height:1.1;margin-bottom:1.5rem;color:var(--light);text-shadow:0 2px 10px rgba(242,22,40,.5)}.hero-subtitle{font-size:1.25rem;color:var(--gray-800);margin-bottom:2rem;line-height:1.6}.hero-buttons{display:flex;gap:1rem;flex-wrap:wrap}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--primary));color:var(--light);border:none;padding:1rem 2rem;border-radius:12px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .3s ease;box-shadow:0 8px 25px rgba(242,22,40,.3);text-decoration:none}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 35px rgba(242,22,40,.4)}.btn-secondary{background:transparent;color:var(--light);border:2px solid var(--accent);padding:1rem 2rem;border-radius:12px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .3s ease;text-decoration:none}.btn-secondary:hover{background:var(--accent);transform:translateY(-3px)}@media (max-width:768px){.hero-content{grid-template-columns:1fr;gap:2rem;text-align:center}.hero-title{font-size:2.5rem}.hero-buttons{justify-content:center}.hero-stats{grid-template-columns:1fr}}@media (max-width:480px){.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}.btn-primary,.btn-secondary{padding:.75rem 1.5rem;font-size:.9rem}}section{padding:5rem 0}.section-title{font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:3rem;color:var(--light);text-shadow:0 2px 10px rgba(242,22,40,.5)}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:1.5rem;gap:1.5rem;max-width:1200px;margin:0 auto;padding:0 2rem}.stat-card{background:hsla(0,0%,100%,.05);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid hsla(0,0%,100%,.1);border-radius:16px;padding:2rem;text-align:center;transition:all .3s ease}.stat-card:hover{transform:translateY(-5px);background:hsla(0,0%,100%,.1);border-color:var(--accent)}.stat-card i{font-size:2.5rem;color:var(--accent);margin-bottom:1rem}.stat-card h3{font-size:2rem;font-weight:700;color:var(--light);margin-bottom:.5rem}.stat-card p{color:var(--gray-800);font-weight:500}.features-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.feature-card{background:hsla(0,0%,100%,.03)}.feature-card:hover{background:hsla(0,0%,100%,.05)}.feature-card p{color:var(--gray-600)}.cta{padding:80px 0}.btn-large{background:var(--accent);color:var(--light);border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease;text-decoration:none;display:inline-block}.btn-large:hover{background:var(--primary);transform:translateY(-2px)}@media (max-width:768px){.hero-stats{gap:1rem}.features-grid,.hero-stats{grid-template-columns:1fr}.cta-content h2,.section-title{font-size:2rem}.cta-content p{font-size:1rem}}.features{padding:80px 0;background:var(--gray-100)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));grid-gap:2rem;gap:2rem;max-width:1200px;margin:0 auto;padding:0 2rem}.feature-card{background:hsla(0,0%,100%,.05);border:1px solid hsla(0,0%,100%,.1);border-radius:16px;padding:2rem;text-align:center;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.feature-card:hover{transform:translateY(-5px);background:hsla(0,0%,100%,.1);border-color:var(--accent)}.feature-icon{width:80px;height:80px;background:linear-gradient(135deg,var(--accent),var(--primary));border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;transition:all .3s ease}.feature-icon i{font-size:2rem;color:var(--light)}.feature-card h3{font-size:1.5rem;font-weight:600;color:var(--light);margin-bottom:1rem}.feature-card p{color:var(--gray-400);line-height:1.6;margin:0}@media (max-width:768px){.features-grid{grid-template-columns:1fr}}.disciplinas{background:var(--dark);padding:80px 0}.search-bar{display:flex;max-width:500px;margin:0 auto 3rem;background:hsla(0,0%,100%,.05);border:1px solid hsla(0,0%,100%,.1);border-radius:12px;overflow:hidden}.search-input{flex:1 1;background:transparent;border:none;padding:1rem 1.5rem;color:var(--light);font-size:1rem}.search-input::placeholder{color:var(--gray-600)}.search-btn{background:var(--accent);border:none;padding:1rem 1.5rem;color:var(--light);cursor:pointer;transition:background .3s ease}.search-btn:hover{background:var(--primary)}.disciplinas-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));grid-gap:2rem;gap:2rem;max-width:1200px;margin:0 auto;padding:0 2rem}.disciplina-card{background:hsla(0,0%,100%,.03);border:1px solid hsla(0,0%,100%,.1);border-radius:16px;padding:2rem}.disciplina-card:hover{transform:translateY(-5px)}.disciplina-header{margin-bottom:1.5rem}.disciplina-header h3{font-size:1.5rem;font-weight:600;color:var(--light)}.disciplina-stats{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:1rem;gap:1rem;margin-bottom:1.5rem}.stat{text-align:center}.stat-label{display:block;font-size:.875rem;color:var(--gray-600);margin-bottom:.25rem}.stat-value{font-size:1.25rem;font-weight:600;color:var(--light)}.disciplina-actions{display:flex;gap:1rem}.btn-small{flex:1 1;padding:.75rem 1rem;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease;border:none;font-size:.875rem;text-decoration:none;display:inline-block;text-align:center}.btn-small:first-child{background:var(--accent);color:var(--light)}.btn-small:first-child:hover{background:var(--primary)}.btn-outline{background:transparent;color:var(--light);border:1px solid var(--accent)}.btn-outline:hover{background:var(--accent)}@media (max-width:768px){.disciplinas-grid{grid-template-columns:1fr}}.professores{background:var(--gray-100);padding:80px 0}.professores-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));grid-gap:2rem;gap:2rem;max-width:1200px;margin:0 auto;padding:0 2rem}.professor-card{background:hsla(0,0%,100%,.03);border:1px solid hsla(0,0%,100%,.1);border-radius:16px;padding:2rem;display:flex;align-items:center;gap:1.5rem;transition:all .3s ease}.professor-card:hover{transform:translateY(-5px);background:hsla(0,0%,100%,.05);border-color:var(--accent)}.professor-avatar{width:80px;height:80px;background:linear-gradient(135deg,var(--accent),var(--primary));border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.professor-avatar i{font-size:2rem;color:var(--light)}.professor-info h3{font-size:1.25rem;font-weight:600;color:var(--light);margin-bottom:.5rem}.professor-disciplina{color:var(--gray-600);margin-bottom:1rem}.professor-rating{gap:1rem;margin-bottom:1rem}.stars{display:flex;gap:.25rem}.stars i{color:gold;font-size:.875rem}.rating-text{font-weight:600;color:var(--light)}.professor-stats .stat{font-size:.875rem;color:var(--gray-600)}@media (max-width:768px){.professores-grid{grid-template-columns:1fr}.professor-card{flex-direction:column;text-align:center}.professor-avatar{margin-bottom:1rem}}.cta{background:linear-gradient(135deg,var(--primary-dark),var(--primary));text-align:center}.cta-content h2{font-size:2.5rem;font-weight:700;margin-bottom:1rem;color:var(--light)}.cta-content p{font-size:1.25rem;color:var(--gray-800);margin-bottom:2rem;max-width:600px;margin-left:auto;margin-right:auto}.btn-large{padding:1.25rem 2.5rem;font-size:1.125rem}.difficulty.easy{border:1px solid #22c55e}.grades-page{padding-top:80px}.grades-hero{background:linear-gradient(135deg,var(--dark) 0,var(--primary-dark) 50%,var(--dark) 100%);padding:4rem 0;position:relative;overflow:hidden}.grades-hero:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23F21628" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');opacity:.3}.grades-hero-content{text-align:center;position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:0 2rem}.grades-hero-title{font-size:3rem;font-weight:800;color:var(--light);margin-bottom:1rem;text-shadow:0 2px 10px rgba(242,22,40,.5)}.grades-hero-subtitle{font-size:1.25rem;color:var(--gray-800);margin-bottom:2rem;max-width:600px;margin-left:auto;margin-right:auto}.grades-hero-stats{display:flex;justify-content:center;gap:3rem;flex-wrap:wrap}.stat-item{display:flex;align-items:center;gap:.5rem;color:var(--gray-600);font-weight:500}.stat-item i{color:var(--accent);font-size:1.25rem}.filtros-section{background:var(--gray-100);padding:3rem 0;border-bottom:1px solid var(--gray-300)}.filtros-header{display:flex;justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto 2rem;padding:0 2rem}.filtros-header h2{font-size:1.75rem;font-weight:700;color:var(--light)}.toggle-filtros-btn{background:var(--accent);color:var(--light);border:none;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:.5rem}.toggle-filtros-btn:hover{background:var(--primary);transform:translateY(-2px)}.filtros-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:1.5rem;gap:1.5rem;max-width:1200px;margin:0 auto 2rem;padding:0 2rem}.filtro-group{display:flex;flex-direction:column;gap:.5rem}.filtro-group label{font-weight:600}.filtro-group label,.filtro-select{color:var(--light);font-size:.875rem}.filtro-select{background:hsla(0,0%,100%,.05);border:1px solid hsla(0,0%,100%,.1);border-radius:8px;padding:.75rem;transition:all .3s ease}.filtro-select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(242,22,40,.2)}.filtro-select:disabled{opacity:.5;cursor:not-allowed;background:hsla(0,0%,100%,.02)}.filtro-select option{background:var(--gray-100);color:var(--light)}.filtros-actions{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;max-width:1200px;margin:0 auto;padding:0 2rem}.btn-clear-filters{background:linear-gradient(135deg,var(--accent),var(--primary));color:#fff;border:none;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:.5rem;font-size:.875rem;box-shadow:0 4px 15px rgba(242,22,40,.3)}.btn-clear-filters:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(242,22,40,.4)}.btn-clear-filters i{font-size:.75rem}.filtros-info{color:var(--gray-600);font-weight:500}.breadcrumb{max-width:1200px;margin:0 auto 2rem;padding:0 2rem}.breadcrumb-link{display:inline-flex;align-items:center;gap:.5rem;color:var(--gray-600);text-decoration:none;font-weight:500;transition:color .3s ease}.breadcrumb-link:hover{color:var(--accent)}.grade-selector-section{background:var(--gray-100);padding:3rem 0;border-bottom:1px solid var(--gray-300)}.grade-selector h2{text-align:center;color:var(--light);font-size:1.5rem;max-width:1200px;margin:0 auto 2rem;padding:0 2rem}.grade-options{display:flex;justify-content:center;gap:2rem;flex-wrap:wrap;max-width:1200px;margin:0 auto;padding:0 2rem}.grade-option{background:hsla(0,0%,100%,.03);border:2px solid hsla(0,0%,100%,.1);border-radius:16px;padding:2rem;cursor:pointer;transition:all .3s ease;min-width:250px;text-align:left}.grade-option:hover{transform:translateY(-5px);border-color:var(--accent);background:hsla(0,0%,100%,.05)}.grade-option.active{border-color:var(--accent);background:rgba(242,22,40,.1);box-shadow:0 8px 25px rgba(242,22,40,.2)}.grade-option-content h3{color:var(--light);font-size:1.25rem;margin-bottom:.5rem}.grade-option-content p{color:var(--gray-600);margin-bottom:1rem}.grade-badge{display:inline-block;padding:.25rem .75rem;border-radius:20px;font-size:.75rem;font-weight:600;background:var(--accent);color:#fff}.grade-badge.legacy{background:var(--gray-600)}.grade-content-section{background:var(--dark);padding:4rem 0}.grade-header{text-align:center;max-width:1200px;margin:0 auto 3rem;padding:0 2rem}.grade-header h2{color:var(--light);font-size:2rem;margin-bottom:.5rem}.grade-description{color:var(--gray-600);max-width:600px;margin:0 auto}.periodos-wrapper{position:relative;width:100%;margin:0 -30px}.periodos-container{position:relative;width:100%;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;-ms-overflow-style:none;padding:0 50px}.periodos-container::-webkit-scrollbar{display:none}.periodos-grid{display:flex;gap:1.5rem;padding:0 .5rem;min-width:max-content;transition:transform .3s ease}.periodo-column{background:hsla(0,0%,100%,.03);border:1px solid hsla(0,0%,100%,.1);border-radius:16px;padding:1.5rem;flex:0 0 320px;min-width:320px;max-width:320px;height:-moz-fit-content;height:fit-content;transition:all .3s ease}.periodo-column:hover{background:hsla(0,0%,100%,.05);border-color:var(--accent)}.periodo-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid hsla(0,0%,100%,.1)}.periodo-header h3{color:var(--light);font-size:1.25rem;font-weight:600}.periodo-disciplinas-count{color:var(--accent);font-size:.875rem;font-weight:500}.disciplinas-list{display:flex;flex-direction:column;gap:1rem}.disciplina-card{background:hsla(0,0%,100%,.02);border:1px solid hsla(0,0%,100%,.05);border-radius:8px;padding:1rem;cursor:pointer;transition:all .3s ease}.disciplina-card:hover{background:hsla(0,0%,100%,.05);border-color:var(--accent)}.disciplina-card.expanded{background:hsla(0,0%,100%,.08);border-color:var(--accent)}.disciplina-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.disciplina-header h4{color:var(--light);font-size:1rem;font-weight:600;margin:0}.disciplina-details{font-size:.875rem;color:var(--gray-600)}.disciplina-details,.disciplina-info{display:flex;gap:1rem}.sigla{color:var(--accent);font-weight:600}.carga-horaria{color:var(--gray-600)}.disciplina-requirements,.disciplina-requirements span,.disciplina-requirements strong{color:var(--gray-600);font-size:.875rem}.disciplina-expanded{margin-top:1rem;padding-top:1rem;border-top:1px solid hsla(0,0%,100%,.1);animation:slideDown .3s ease-out}.disciplina-resumo{margin-bottom:1rem}.disciplina-resumo h5{color:var(--light);font-size:.875rem;font-weight:600;margin-bottom:.5rem}.disciplina-resumo p{color:var(--gray-600);font-size:.875rem;line-height:1.5;margin:0}.difficulty{padding:.5rem 1rem;border-radius:20px;font-size:.875rem;font-weight:600;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid}.difficulty.hard{background:rgba(242,22,40,.2);color:var(--accent);border-color:var(--accent)}.difficulty.medium{background:rgba(255,193,7,.2);color:#ffc107;border-color:#ffc107}.difficulty.easy{background:rgba(34,197,94,.2);color:#22c55e;border-color:#22c55e}.professores-section{margin-top:1rem}.professores-section h5{color:var(--light);font-size:.875rem;font-weight:600;margin-bottom:.5rem}.professores-list{display:flex;flex-direction:column;gap:.5rem}.professor-item{display:flex;justify-content:space-between;align-items:center;padding:.5rem;background:hsla(0,0%,100%,.02);border-radius:6px;transition:all .3s ease}.professor-item:hover{background:hsla(0,0%,100%,.05)}.professor-info{flex:1 1}.professor-info h6{color:var(--light);font-size:.875rem;font-weight:500;margin:0}.professor-rating{display:flex;align-items:center;gap:.5rem}.professor-rating .stars{display:flex;gap:.25rem}.professor-rating .stars i{color:gold;font-size:.75rem}.rating-text{color:var(--gray-600);font-size:.75rem}.professor-stats{display:flex;gap:1rem;margin-top:.5rem}.professor-stats span{color:var(--gray-600);font-size:.75rem}.btn-ver-feedback{background:var(--accent);color:var(--light);border:none;padding:.25rem .75rem;border-radius:4px;font-size:.75rem;font-weight:500;cursor:pointer;transition:all .3s ease;text-decoration:none;display:inline-block}.btn-ver-feedback:hover{background:var(--primary);transform:translateY(-1px)}.scroll-arrow{position:fixed;top:50vh;transform:translateY(-50%);width:48px;height:48px;background:linear-gradient(135deg,var(--accent),var(--primary));border:none;border-radius:50%;color:var(--light);font-size:1.25rem;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:all .3s ease;box-shadow:0 4px 15px rgba(242,22,40,.3);z-index:1000}.scroll-arrow:hover{opacity:1!important;transform:translateY(-50%) scale(1.1);box-shadow:0 6px 20px rgba(242,22,40,.4)}.scroll-arrow.left{left:40px}.scroll-arrow.right{right:40px}.scroll-arrow.visible{opacity:.8}.scroll-arrow i{transition:transform .2s ease}.scroll-arrow:hover i{transform:scale(1.2)}.scroll-gradient-left{left:0;background:linear-gradient(to right,var(--dark) 0,transparent 100%)}.scroll-gradient-left,.scroll-gradient-right{position:absolute;top:0;width:60px;height:100%;pointer-events:none;z-index:5;opacity:0;transition:opacity .3s ease}.scroll-gradient-right{right:0;background:linear-gradient(to left,var(--dark) 0,transparent 100%)}.scroll-gradient-left.visible,.scroll-gradient-right.visible{opacity:1}.grades-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));grid-gap:2rem;gap:2rem;max-width:1200px;margin:0 auto;padding:0 2rem}.grade-card{background:hsla(0,0%,100%,.03);border:1px solid hsla(0,0%,100%,.1);border-radius:16px;padding:2rem;transition:all .3s ease}.grade-card:hover{transform:translateY(-5px);background:hsla(0,0%,100%,.05);border-color:var(--accent)}.grade-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.5rem}.grade-info{flex:1 1}.grade-titulo{font-size:1.5rem;font-weight:700;color:var(--light);margin-bottom:.5rem}.grade-instituicao{color:var(--gray-600);margin-bottom:.5rem}.grade-version{background:rgba(242,22,40,.2);color:var(--accent);padding:.25rem .75rem;border-radius:12px;font-size:.75rem;font-weight:600;border:1px solid rgba(242,22,40,.3)}.grade-stats{display:flex;gap:1rem}.grade-stats .stat{text-align:center}.grade-stats .stat-number{display:block;font-size:1.5rem;font-weight:700;color:var(--accent)}.grade-stats .stat-label{font-size:.75rem;color:var(--gray-600)}.grade-actions{display:flex;gap:1rem}.grade-actions .btn-primary,.grade-actions .btn-secondary{flex:1 1;text-align:center;padding:.75rem 1rem;font-size:.875rem}.grades-cta{background:linear-gradient(135deg,var(--primary-dark),var(--primary));text-align:center;padding:4rem 0}.grades-cta .cta-content h2{font-size:2rem;font-weight:700;color:var(--light);margin-bottom:1rem}.grades-cta .cta-content p{font-size:1.125rem;color:var(--gray-800);margin-bottom:2rem;max-width:500px;margin-left:auto;margin-right:auto}.resultados-section{max-width:1200px;margin:0 auto;padding:3rem 2rem}.no-results{text-align:center;padding:3rem;color:var(--gray-600)}.no-results i{font-size:3rem;color:var(--gray-600);margin-bottom:1rem}.no-results h3{color:var(--light);font-size:1.5rem;margin-bottom:.5rem}.no-results p{color:var(--gray-600);margin:0}@media (max-width:768px){.grades-hero-title{font-size:2rem}.grades-hero-subtitle{font-size:1rem}.grades-hero-stats{gap:1.5rem}.filtros-header{flex-direction:column;gap:1rem;text-align:center}.filtros-grid{grid-template-columns:1fr;gap:1rem}.filtros-actions{flex-direction:column;text-align:center}.grades-grid{grid-template-columns:1fr}.grade-header{flex-direction:column;gap:1rem}.grade-stats{justify-content:center}.grade-actions,.grade-options{flex-direction:column}.grade-options{align-items:center}.grade-option{min-width:auto;width:100%;max-width:400px}.periodos-wrapper{margin:0 -10px}.periodos-container{padding:0 30px}.periodo-column{flex:0 0 280px;min-width:280px;max-width:280px}.scroll-arrow{width:40px;height:40px;font-size:1rem}.scroll-arrow.left{left:20px}.scroll-arrow.right{right:20px}.cta-buttons{flex-direction:column;gap:1rem}}@media (min-width:1200px){.periodo-column{flex:0 0 350px;min-width:350px;max-width:350px}.periodos-grid{gap:2rem}}@media (min-width:1600px){.periodo-column{flex:0 0 380px;min-width:380px;max-width:380px}.periodos-grid{gap:2.5rem}}.footer{background:var(--gray-100);border-top:2px solid var(--accent);padding:3rem 0 1rem}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));grid-gap:2rem;gap:2rem;max-width:1200px;margin:0 auto 2rem;padding:0 2rem}.footer-section h4{font-size:1.25rem;font-weight:600;color:var(--light);margin-bottom:1rem}.footer-section p{color:var(--gray-600);line-height:1.6}.footer-section ul{list-style:none}.footer-section ul li{margin-bottom:.5rem}.footer-section ul li a{color:var(--gray-600);text-decoration:none;transition:color .3s ease}.footer-section ul li a:hover{color:var(--accent)}.social-links{display:flex;gap:1rem}.social-links a{width:40px;height:40px;background:var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--light);text-decoration:none;transition:all .3s ease}.social-links a:hover{background:var(--primary);transform:translateY(-2px)}.footer-bottom{text-align:center;border-top:1px solid var(--gray-300);max-width:1200px;margin:0 auto;padding:2rem 2rem 0}.footer-bottom p{color:var(--gray-600)}@media (max-width:768px){.footer-content{grid-template-columns:1fr;text-align:center}.social-links{justify-content:center}}.construction-container{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:2rem;max-width:800px;margin:100px auto 0;min-height:calc(100vh - 200px)}.info-card{background:linear-gradient(135deg,var(--gray-200),var(--gray-300));border-radius:16px;padding:2.5rem;box-shadow:0 10px 30px rgba(0,0,0,.3);border:1px solid var(--gray-400);margin-bottom:2rem;width:100%;max-width:700px}.construction-title{font-size:2.5rem;margin-bottom:1.5rem;color:var(--light);text-shadow:0 2px 10px rgba(242,22,40,.5);position:relative;display:inline-block}.construction-title span{position:relative;z-index:1}.construction-title:before{content:"";position:absolute;bottom:-5px;left:0;width:100%;height:2px;background:var(--accent);box-shadow:0 0 10px 2px var(--accent)}.construction-message{font-size:1.2rem;line-height:1.6;margin-bottom:1.5rem;color:var(--light)}.worker-card{background:linear-gradient(135deg,var(--primary-dark),var(--primary));border-radius:12px;padding:1.5rem;width:250px;height:250px;display:flex;align-items:center;justify-content:center;margin:2rem auto;box-shadow:0 8px 25px rgba(140,4,16,.4);border:2px solid var(--accent);position:relative;overflow:hidden;animation:pulse 4s ease-in-out infinite}.worker-card:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23F21628" stroke-width="0.5" opacity="0.2"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');opacity:.3}.back-button{display:inline-block;background:var(--accent);color:var(--light);padding:.75rem 1.5rem;border-radius:8px;text-decoration:none;font-weight:600;transition:all .3s ease;margin-top:1rem}.back-button:hover{background:var(--primary);transform:translateY(-2px)}.construction-image{max-width:80%;height:auto;animation:swing 3s ease-in-out infinite;transform-origin:top center;filter:drop-shadow(0 5px 10px rgba(0,0,0,.5))}@media (max-width:480px){.construction-title{font-size:2rem}.construction-message{font-size:1rem}.worker-card{width:200px;height:200px}}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--dark) 0,var(--primary-dark) 50%,var(--dark) 100%);padding:2rem;position:relative;overflow:hidden}.auth-container:after{background:radial-gradient(circle at 20% 80%,rgba(242,22,40,.1) 0,transparent 50%),radial-gradient(circle at 80% 20%,rgba(242,22,40,.1) 0,transparent 50%),radial-gradient(circle at 40% 40%,rgba(242,22,40,.05) 0,transparent 50%);animation:neonGlow 8s ease-in-out infinite}.auth-container:after,.auth-container:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0}.auth-container:before{background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23F21628" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');opacity:.3;animation:gridMove 20s linear infinite}.auth-card{background:rgba(26,26,26,.95);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(242,22,40,.2);border-radius:1rem;padding:3rem;width:100%;max-width:450px;position:relative;z-index:2;box-shadow:0 20px 40px rgba(0,0,0,.3);animation:authPulse 4s ease-in-out infinite}.auth-header{text-align:center;margin-bottom:2rem}.auth-logo{display:flex;align-items:center;justify-content:center;gap:1rem;margin-bottom:2rem;text-decoration:none}.auth-logo-img{border-radius:50%}.auth-logo-text{font-size:1.5rem}.auth-logo-text,.auth-title{font-weight:700;color:var(--light)}.auth-title{font-size:2rem;margin-bottom:.5rem;text-shadow:0 2px 10px rgba(242,22,40,.5);position:relative;display:inline-block}.auth-title span{position:relative;z-index:1}.auth-title:before{content:"";position:absolute;bottom:-5px;left:0;width:100%;height:2px;background:var(--accent);box-shadow:0 0 10px 2px var(--accent)}.auth-subtitle{color:var(--gray-800);font-size:1rem}.auth-form{margin-bottom:2rem}.form-group{margin-bottom:1.5rem}.form-label{display:block;color:var(--light);font-weight:500;margin-bottom:.5rem;font-size:.9rem}.form-input{width:100%;padding:1rem;background:rgba(58,58,58,.5);border:1px solid rgba(242,22,40,.3);border-radius:.5rem;color:var(--light);font-size:1rem;transition:all .3s ease;position:relative}.form-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(242,22,40,.1),0 0 10px rgba(242,22,40,.3);background:rgba(58,58,58,.7)}.form-input:hover{border-color:rgba(242,22,40,.5);box-shadow:0 0 5px rgba(242,22,40,.2)}.form-input::placeholder{color:var(--gray-600)}.auth-button{width:100%;padding:1rem;background:linear-gradient(135deg,var(--primary) 0,var(--accent) 100%);color:var(--light);border:none;border-radius:.5rem;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden;border:1px solid rgba(242,22,40,.3)}.auth-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.2),transparent);transition:left .5s}.auth-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 25px rgba(242,22,40,.6);border-color:var(--accent)}.auth-button:hover:not(:disabled):before{left:100%}.auth-button-signup{background:linear-gradient(135deg,var(--accent) 0,#ff1a1a 100%);border-color:var(--accent);box-shadow:0 0 15px rgba(242,22,40,.4)}.auth-button-signup:hover:not(:disabled){box-shadow:0 8px 25px rgba(242,22,40,.8);transform:translateY(-3px)}.auth-button:disabled{opacity:.7;cursor:not-allowed}.loading-spinner{display:inline-block;width:20px;height:20px;border-radius:50%;border:2px solid hsla(0,0%,100%,.3);border-top:2px solid var(--light);animation:spin 1s ease-in-out infinite}.error-message{background:rgba(220,38,38,.1);border:1px solid rgba(220,38,38,.3);color:#fca5a5;border-radius:.5rem}.error-message,.success-message{padding:1rem;margin-bottom:1rem;font-size:.9rem}.success-message{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.3);color:#86efac;border-radius:.5rem}.auth-footer{text-align:center;margin-bottom:2rem}.auth-switch-text{color:var(--gray-800);margin-bottom:.5rem}.auth-switch-button{background:none;border:none;color:var(--accent);font-weight:600;cursor:pointer;transition:all .3s ease;position:relative;padding:.5rem 1rem;border-radius:.5rem}.auth-switch-button:hover{color:var(--light);background:rgba(242,22,40,.1);box-shadow:0 0 10px rgba(242,22,40,.3)}.auth-back{text-align:center}.back-link{color:var(--gray-800);text-decoration:none;display:inline-flex;align-items:center;gap:.5rem;transition:color .3s ease}.back-link:hover{color:var(--light)}.signup-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,var(--dark) 0,var(--gray-100) 100%);position:relative;overflow:hidden}.signup-card{max-width:500px;width:100%;background:rgba(26,26,26,.95);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(242,22,40,.2);border-radius:20px;padding:40px;box-shadow:0 0 30px rgba(242,22,40,.1),0 0 60px rgba(242,22,40,.05),inset 0 1px 0 hsla(0,0%,100%,.1);animation:authPulse 4s ease-in-out infinite}.signup-progress{justify-content:space-between;margin-bottom:2rem}.progress-step,.signup-progress{display:flex;align-items:center;position:relative}.progress-step{flex-direction:column;gap:.5rem;z-index:2;transition:all .3s ease}.progress-step.active{transform:scale(1.1)}.step-number{width:40px;height:40px;border-radius:50%;background:rgba(242,22,40,.2);border:2px solid rgba(242,22,40,.3);display:flex;align-items:center;justify-content:center;color:var(--gray-600);font-weight:600;font-size:.9rem;transition:all .3s ease;position:relative}.progress-step.active .step-number{background:var(--accent);border-color:var(--accent);color:var(--light);box-shadow:0 0 15px rgba(242,22,40,.5)}.progress-step span{font-size:.8rem;color:var(--gray-600);text-align:center;font-weight:500;transition:all .3s ease}.progress-step.active span{color:var(--light);font-weight:600}.progress-line{position:absolute;top:20px;left:20px;right:20px;height:2px;background:rgba(242,22,40,.2);z-index:1}.progress-line:before{content:"";position:absolute;top:0;left:0;height:100%;width:0;background:var(--accent);transition:width .5s ease;box-shadow:0 0 10px var(--accent)}.progress-step.active+.progress-line:before{width:100%}.form-step{animation:fadeIn .5s ease-in-out}.signup-actions{display:flex;gap:1rem;margin-top:2rem;justify-content:space-between}.auth-button-next{background:linear-gradient(135deg,var(--accent) 0,#ff1a1a 100%);color:var(--light);border:none;padding:1rem 2rem;border-radius:.5rem;font-weight:600;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden;border:1px solid rgba(242,22,40,.3);box-shadow:0 0 15px rgba(242,22,40,.4)}.auth-button-next:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.2),transparent);transition:left .5s}.auth-button-next:hover:before{left:100%}.auth-button-back{background:transparent;color:var(--gray-600);border:1px solid rgba(242,22,40,.3);padding:1rem 2rem;border-radius:.5rem;font-weight:600;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden}.auth-button-back:hover{color:var(--light);border-color:var(--accent);background:rgba(242,22,40,.1);box-shadow:0 0 10px rgba(242,22,40,.3)}.auth-button-back:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(242,22,40,.1),transparent);transition:left .5s}.signup-form .form-input{background:rgba(58,58,58,.5);border:1px solid rgba(242,22,40,.3);color:var(--light)}.signup-form .form-input:focus{border-color:var(--accent);box-shadow:0 0 10px rgba(242,22,40,.3)}.signup-form .form-input:hover{border-color:rgba(242,22,40,.5);box-shadow:0 0 5px rgba(242,22,40,.2)}@media (max-width:768px){.auth-container{padding:1rem}.auth-card{padding:2rem}.auth-title{font-size:1.75rem}.signup-card{padding:2rem}.signup-progress{flex-direction:column;gap:1rem}.progress-step span{font-size:.7rem}.signup-actions{flex-direction:column}.auth-button-back,.auth-button-next{width:100%}}