:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:rgb(9,43,95) dark;background-color:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.navbar{width:100%;background:#0f172a;color:#fff;position:sticky;top:0;z-index:1000}.navbar-inner{max-width:1200px;margin:auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:64px;position:relative}.navbar-logo{font-size:22px;font-weight:700;text-decoration:none;color:#fff;flex-shrink:0}.navbar-links{display:flex;align-items:center;gap:28px;height:100%}.nav-link{display:flex;align-items:center;height:100%;padding:0 6px;text-decoration:none;color:#cbd5f5;font-weight:500;transition:.2s;white-space:nowrap}.nav-link:hover{color:#fff}.nav-link.active{color:#38bdf8}.navbar-user{display:flex;align-items:center;gap:12px}.username{font-size:14px;color:#e2e8f0}.avatar{width:34px;height:34px;border-radius:50%;background:#38bdf8;display:flex;align-items:center;justify-content:center;font-weight:600;color:#0f172a;flex-shrink:0}.logout-btn{background:#ef4444;border:none;padding:6px 12px;border-radius:6px;color:#fff;cursor:pointer;font-size:13px;transition:.2s}.logout-btn:hover{background:#dc2626}.menu-toggle{display:none;background:none;border:none;font-size:26px;color:#fff;cursor:pointer}.mobile-user{display:none}@media(max-width:768px){.menu-toggle{display:block}.navbar-links{position:absolute;top:64px;left:0;right:0;height:auto;background:#0f172a;flex-direction:column;align-items:flex-start;gap:16px;padding:20px;visibility:hidden;opacity:0;transform:translateY(-10px);transition:all .3s ease;box-shadow:0 8px 20px #00000040}.navbar-links.open{visibility:visible;opacity:1;transform:translateY(0)}.nav-link{width:max-content;height:auto;padding:10px 0}.navbar-user{display:none}.mobile-user{display:flex;flex-direction:column;gap:14px;margin-top:10px;width:100%;border-top:1px solid rgba(255,255,255,.1);padding-top:14px}.mobile-user-info{display:flex;align-items:center;gap:10px}}.home-page{font-family:system-ui,-apple-system;color:#1f2937;background:#f9fafb}.home-navbar{background:#fff;border-bottom:1px solid #e5e7eb;z-index:100}.navbar-container{max-width:1200px;margin:auto;height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 24px}.logo{font-size:22px;font-weight:700;color:#2563eb}.nav-actions{display:flex;align-items:center;gap:18px}.nav-login{color:#374151;text-decoration:none;font-weight:500}.nav-login:hover{color:#2563eb}.nav-register{background:#2563eb;color:#fff;padding:8px 16px;border-radius:8px;text-decoration:none;font-weight:600;transition:.2s}.nav-register:hover{background:#1d4ed8}.hero{padding:120px 24px;background:#fff;text-align:center}.hero-content{max-width:800px;margin:auto}.hero-title{font-size:52px;font-weight:800;line-height:1.2;margin-bottom:24px}.hero-title span{color:#2563eb}.hero-subtitle{font-size:20px;color:#6b7280;margin-bottom:40px}.hero-actions{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.btn-primary{background:#2563eb;color:#fff;padding:14px 28px;border-radius:10px;font-weight:600;text-decoration:none;transition:.2s}.btn-primary:hover{background:#1d4ed8;transform:translateY(-2px)}.btn-secondary{border:1px solid #d1d5db;padding:14px 28px;border-radius:10px;text-decoration:none;font-weight:600;color:#2563eb}.btn-secondary:hover{background:#f3f4f6}.features{padding:100px 24px}.features-container{max-width:1200px;margin:auto}.section-title{text-align:center;font-size:34px;font-weight:700;margin-bottom:60px}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px}.feature-card{background:#fff;padding:30px;border-radius:16px;box-shadow:0 6px 18px #0000000d;transition:.2s}.feature-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px #00000014}.feature-icon{font-size:28px;margin-bottom:14px}.feature-card h3{font-size:20px;margin-bottom:10px}.feature-card p{color:#6b7280}.cta{background:#2563eb;color:#fff;padding:90px 24px;text-align:center}.cta-content{max-width:700px;margin:auto}.cta h2{font-size:36px;margin-bottom:20px}.cta p{opacity:.9;margin-bottom:30px}.cta-button{background:#fff;color:#2563eb;padding:14px 30px;border-radius:10px;font-weight:700;text-decoration:none}.cta-button:hover{background:#f3f4f6}.footer{background:#111827;color:#9ca3af;text-align:center;padding:30px;font-size:14px}.login-page{display:flex;min-height:100vh;font-family:system-ui,-apple-system;background:#f9fafb}.login-brand{flex:1;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#2563eb,#4f46e5);color:#fff;padding:60px}.brand-content{max-width:420px;text-align:center}.brand-title{font-size:48px;font-weight:800;margin-bottom:16px}.brand-subtitle{font-size:18px;opacity:.9;line-height:1.5}.login-panel{flex:1;display:flex;align-items:center;justify-content:center;padding:40px}.login-card{width:100%;max-width:420px;background:#fff;padding:40px;border-radius:16px;box-shadow:0 10px 30px #00000014}.login-title{font-size:28px;font-weight:700;text-align:center;margin-bottom:6px}.login-subtitle{text-align:center;color:#6b7280;margin-bottom:30px}.login-form{display:flex;flex-direction:column;gap:18px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:14px;font-weight:600;color:#374151}.form-group input{padding:12px 14px;border-radius:8px;border:1px solid #d1d5db;font-size:14px;transition:.2s}.form-group input:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 3px #2563eb26}.login-error{background:#fee2e2;color:#991b1b;padding:10px;border-radius:8px;font-size:14px;text-align:center}.btn-primary{margin-top:6px;padding:12px;border:none;border-radius:8px;background:#2563eb;color:#fff;font-weight:600;cursor:pointer;transition:.2s}.btn-primary:hover{background:#1d4ed8}.btn-guest{padding:12px;border:none;border-radius:8px;background:#10b981;color:#fff;font-weight:600;cursor:pointer;transition:.2s}.btn-guest:hover{background:#059669}.login-divider{display:flex;align-items:center;justify-content:center;margin:24px 0;color:#9ca3af;font-size:14px}.login-register{text-align:center;font-size:14px;color:#6b7280}.login-register a{margin-left:6px;color:#2563eb;font-weight:600;text-decoration:none}.login-register a:hover{text-decoration:underline}.login-wrapper{display:flex;flex-direction:column;min-height:100vh}.login-page{flex:1;display:flex}@media(max-width:900px){.login-brand{display:none}.login-panel{padding:20px}}.dashboard-page{max-width:1200px;margin:auto;padding:30px;font-family:system-ui;box-sizing:border-box}.dashboard-header{margin-bottom:30px}.dashboard-header h1{font-size:28px;margin-bottom:5px}.dashboard-header p{color:#666}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:40px;width:100%}.stats-grid>*{min-width:0}.stat-card{display:flex;flex-direction:row;align-items:center;gap:14px;background:#fff;border-radius:12px;padding:18px 20px;box-shadow:0 4px 12px #00000014;transition:.2s;box-sizing:border-box}.stat-icon{flex:1;display:flex;align-items:center;justify-content:center;font-size:26px}.stat-info{flex:2;display:flex;flex-direction:column;justify-content:center;gap:2px}.stat-label{font-size:14px;color:#777}.stat-value{font-size:22px;font-weight:600;color:#111827;font-variant-numeric:tabular-nums}.section-title{margin-bottom:20px;font-size:22px}.courses-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}.course-card{display:flex;flex-direction:column;align-items:center;justify-content:center;background:#fff;border-radius:12px;padding:2rem;text-decoration:none;color:inherit;box-shadow:0 6px 18px #00000014;transition:.2s}.course-card:hover{transform:translateY(-4px);box-shadow:0 10px 25px #0000001f}.course-card img{width:80px;height:80px;object-fit:contain}.course-card h3{margin:0;font-size:1.125rem;color:#374151;text-align:center}.loading-container{display:flex;justify-content:center;padding:40px}.empty-state{padding:40px;text-align:center;color:#777}@media(max-width:900px){.courses-grid{grid-template-columns:repeat(3,1fr)}.stats-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.dashboard-page{padding:20px}.courses-grid{grid-template-columns:repeat(2,1fr);gap:18px}.section-title{font-size:20px}.stats-grid{grid-template-columns:1fr 1fr}}@media(max-width:400px){.courses-grid{grid-template-columns:1fr}}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.modal-container{background:#fff;width:85%;max-width:520px;border-radius:16px;box-shadow:0 20px 40px #0003;animation:scaleIn .2s ease;overflow:hidden}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid #eee}.modal-title{font-size:20px;font-weight:700;color:#000}.modal-close{background:none;border:none;font-size:20px;cursor:pointer;color:#6b7280}.modal-body{padding:24px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}.frequency-badge-container{display:flex;justify-content:center;margin-bottom:20px}.frequency-badge{background:linear-gradient(135deg,#f59e0b,#f97316);color:#fff;padding:6px 14px;font-size:13px;font-weight:600;border-radius:20px;letter-spacing:.3px}.activity-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:16px;margin-top:10px}.activity-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:20px;border-radius:12px;text-decoration:none;background:#fff;border:1px solid #e5e7eb;color:#374151;font-weight:600;transition:all .2s ease;box-shadow:0 4px 12px #0000000d}.activity-card svg{width:32px;height:32px}.activity-card:hover{transform:translateY(-4px);box-shadow:0 8px 20px #00000014}.activity-card.reading{border-color:#3b82f6}.activity-card.reading:hover{background:#eff6ff;color:#2563eb}.activity-card.audio{border-color:#10b981}.activity-card.audio:hover{background:#ecfdf5;color:#059669}.activity-card.quiz{border-color:#f59e0b}.activity-card.quiz:hover{background:#fffbeb;color:#d97706}.activity-card.flashcard{border-color:#8b5cf6}.activity-card.flashcard:hover{background:#f5f3ff;color:#7c3aed}.empty-activities{text-align:center;padding:30px;color:#6b7280;font-size:15px}.subtopic-score{margin-top:1.5rem;padding-top:1rem;border-top:1px solid #e5e7eb;text-align:center;font-size:.95rem;color:#4b5563}.subtopic-score span{font-weight:700;color:#2563eb}@media(max-width:600px){.activity-grid{grid-template-columns:repeat(2,1fr)}}.course-page{max-width:1100px;margin:auto;padding:30px 20px}.course-title-main{font-size:32px;font-weight:700;text-align:center;margin-bottom:40px}.topics-carousel{display:flex;flex-direction:row;align-items:center;justify-content:center;gap:16px;margin-bottom:20px}.topic-arrow{width:42px;height:42px;border-radius:50%;border:1px solid #e5e7eb;background:#fff;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:.2s}.topic-arrow:hover{background:#f3f4f6}.topic-arrow:disabled{opacity:.35;cursor:not-allowed}.topic-display{display:flex;align-items:center;justify-content:center;min-width:260px;max-width:400px;text-align:center}.topic-node{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:none;border:none;cursor:pointer;padding:10px 20px}.topic-circle{width:54px;height:54px;border-radius:50%;background:#eef2ff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;color:#4f46e5;border:2px solid transparent;transition:all .2s}.topic-node:hover .topic-circle{transform:scale(1.05)}.topic-active .topic-circle{background:#6366f1;color:#fff;border:2px solid #4338ca}.topic-label{font-size:16px;font-weight:600;text-align:center;max-width:240px;color:#374151}.subtopics-section{margin-top:20px}.subtopic-title{font-size:20px;font-weight:700;margin-bottom:20px}.subtopics-grid{display:flex;flex-direction:column;gap:12px}.subtopic-card{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;border-radius:12px;border:1px solid #e5e7eb;background:#fff;transition:all .2s}.subtopic-card:hover{box-shadow:0 8px 18px #00000014;transform:translateY(-1px)}.subtopic-info{display:flex;gap:12px;align-items:center}.subtopic-number{font-weight:700;color:#6366f1}.subtopic-text{font-size:15px;color:#111827}.subtopic-start{background:#1a329e;color:#fff;border:none;border-radius:8px;padding:8px 12px;cursor:pointer;font-size:14px;transition:.2s}.subtopic-start:hover{background:#4f46e5}.subtopic-start:disabled{background:#9ca3af;cursor:not-allowed}.divider{margin:30px 0;border:none;border-top:1px solid #e5e7eb}.loading-container{display:flex;justify-content:center;align-items:center;height:200px}.empty{text-align:center;color:#6b7280}.topics-indicator{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:10px;margin-bottom:20px}.indicator-dot{width:12px;aspect-ratio:1 / 1;border-radius:50%;background:#3fc3e4;border:none;padding:0;cursor:pointer;display:block;flex:0 0 auto;transition:background .2s,transform .2s}.indicator-dot:hover{background:#1c396b}.indicator-dot.active{background:#2e269e;transform:scale(1.25)}@media(max-width:600px){.course-title-main{font-size:26px}.topic-display{min-width:200px}.topic-circle{width:46px;height:46px;font-size:16px}.topic-label{font-size:16px}.subtopic-card{padding:14px}}.content-header{display:flex;align-items:center;padding:.75rem 1rem;background-color:#fff;border-bottom:1px solid #e5e7eb;height:60px;box-sizing:border-box}.content-header .back-button{background:none;border:none;color:#374151;cursor:pointer;padding:.5rem;margin-right:.5rem}.content-header .back-button svg{width:24px;height:24px}.breadcrumbs{flex-grow:1;display:flex;align-items:center;gap:.5rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.breadcrumb-item,.breadcrumb-item-active{font-size:.875rem}.breadcrumb-item{color:#6b7280}.breadcrumb-item-active{color:#111827;font-weight:600;overflow:hidden;text-overflow:ellipsis}.breadcrumb-separator{color:#d1d5db}.header-spacer{width:40px}body{max-width:100%}.lectura-page{min-height:100vh;display:flex;flex-direction:column;background:#fff}.lectura-content{flex:1;position:relative;display:flex;justify-content:center}.lectura-body{padding:.5rem;width:100%;box-sizing:border-box;line-height:1.7;color:#333}.lectura-body h1,.lectura-body h2,.lectura-body h3{margin-top:1.5em;margin-bottom:.5em;color:#111}.lectura-body p{margin-bottom:1em}.state-container{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;font-size:16px;color:#555}.state-container.error{color:#dc2626;font-weight:600}.audio-page{display:flex;flex-direction:column;min-height:100vh;background-color:#063c5a;color:#fff}.audio-content{flex-grow:1;display:flex;justify-content:center;align-items:center;padding:1rem}.audio-content .state-container{display:flex;flex-direction:column;align-items:center;gap:1rem;font-size:1.1rem}.audio-content .state-container.error{color:#ff8a80;text-align:center;padding:1rem}.audio-player-card{display:flex;flex-direction:column;align-items:center;gap:1.5rem;background-color:#0d4d70;padding:2rem;border-radius:16px;width:100%;max-width:400px;box-shadow:0 10px 20px #0003}.album-art{font-size:8rem;line-height:1}.audio-course-title{font-size:1.5rem;font-weight:700;text-align:center;margin:0}.audio-subtopic-title{font-size:1rem;color:#b0bec5;text-align:center;margin:-1rem 0 0}.progress-container{width:100%}.progress-bar{-webkit-appearance:none;width:100%;height:8px;background:#1b5e74;border-radius:5px;outline:none;cursor:pointer}.progress-bar::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:16px;height:16px;background:#4dd0e1;border-radius:50%;cursor:pointer}.progress-bar::-moz-range-thumb{width:16px;height:16px;background:#4dd0e1;border-radius:50%;cursor:pointer;border:none}.time-display{display:flex;justify-content:space-between;font-size:.875rem;color:#b0bec5;margin-top:.5rem}.play-pause-button{background-color:#4dd0e1;border:none;border-radius:50%;width:80px;height:80px;display:flex;justify-content:center;align-items:center;cursor:pointer;color:#fff;box-shadow:0 4px 10px #4dd0e166;transition:transform .2s ease}.play-pause-button:hover{transform:scale(1.05)}.play-pause-button:disabled{background-color:#616161;cursor:not-allowed}.flashcard-page{display:flex;flex-direction:column;min-height:100vh;background-color:#f2f2f2}.flashcard-main{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem}.flashcard-container{width:100%;max-width:400px;height:300px;perspective:1000px;cursor:pointer;margin-bottom:2rem}.flashcard-inner{position:relative;width:100%;height:100%;text-align:center;transition:transform .6s;transform-style:preserve-3d}.flashcard-container.flipped .flashcard-inner{transform:rotateY(180deg)}.flashcard-front,.flashcard-back{position:absolute;width:100%;height:100%;-webkit-backface-visibility:hidden;backface-visibility:hidden;border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;box-shadow:0 4px 6px #0000001a}.flashcard-front{background-color:#00695c;color:#fff}.flashcard-back{background-color:#ad1457;color:#fff;transform:rotateY(180deg)}.flashcard-text{font-size:1.25rem;font-weight:700;margin-bottom:.5rem}.flashcard-subtext{font-size:.875rem;opacity:.9}.flashcard-counter{font-size:1.125rem;font-weight:700;margin-bottom:1.5rem}.btn-next{background-color:#063c5a;color:#fff;width:60%;height:50px;font-size:1.125rem;border-radius:12px}.quiz-page{display:flex;flex-direction:column;min-height:100vh;background-color:#fff}.quiz-content{flex:1;padding:1rem;display:flex;flex-direction:column;gap:1rem;max-width:750px;margin:0 auto;width:100%;box-sizing:border-box}.question-card{background-color:#e3f2fd;padding:1.5rem;border-radius:12px;box-shadow:0 4px 6px #0000001a;display:flex;justify-content:center;align-items:center;margin-bottom:1rem}.question-text{font-size:1.25rem;font-weight:700;color:#333;text-align:center;margin:0}.options-list{display:flex;flex-direction:column;gap:1rem}.option-card{background-color:#fff;border-radius:12px;box-shadow:0 2px 4px #0000001a;cursor:pointer;transition:background-color .3s ease;border:1px solid #eee;overflow:hidden}.option-card.disabled{cursor:default}.option-content{display:flex;align-items:center;padding:.75rem}.option-letter-box{width:50px;height:50px;background-color:#7a522d;border-radius:50%;display:flex;justify-content:center;align-items:center;color:#fff;font-size:1.125rem;font-weight:500;flex-shrink:0;margin-right:1rem;transition:background-color .3s ease}.option-text{font-size:1rem;color:#000;flex:1}.option-card.correct{background-color:#4caf50}.option-card.correct .option-letter-box{background-color:#2e7d32}.option-card.correct .option-text{color:#fff}.option-card.wrong{background-color:#f44336}.option-card.wrong .option-letter-box{background-color:#c62828}.option-card.wrong .option-text{color:#fff}.btn-next-question{margin-top:1rem;background-color:#063c5a;color:#fff;padding:1rem;border-radius:8px;font-size:1.125rem;font-weight:700;width:100%}.btn-next-question:disabled{background-color:#ccc;cursor:not-allowed}.final-score{display:flex;align-items:baseline;justify-content:center;color:#063c5a}.score-value{font-size:4rem;font-weight:700}.score-total{font-size:2rem;font-weight:500;color:#667085}.final-percentage{font-size:1.25rem;color:#475467;margin:-.5rem 0 0}.profile-page{max-width:900px;margin:auto;padding:40px 20px;font-family:system-ui,-apple-system}.profile-loading{display:flex;justify-content:center;align-items:center;height:60vh;font-size:18px;color:#6b7280}.profile-header{display:grid;grid-template-columns:80px 1fr 1fr;align-items:center;gap:30px;background:#fff;padding:30px;border-radius:16px;box-shadow:0 10px 30px #0000000f;margin-bottom:30px}.profile-avatar{width:70px;height:70px;border-radius:50%;background:#2563eb;color:#fff;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700}.profile-info{display:flex;flex-direction:column;gap:6px}.profile-name{font-size:24px;font-weight:700;color:#2563eb}.profile-email{color:#6b7280;font-size:14px}.profile-city,.profile-academic{font-size:14px;color:#374151}.profile-edit-btn{margin-top:8px;width:max-content;padding:6px 12px;background:#f3f4f6;border:1px solid #d1d5db;border-radius:6px;cursor:pointer;font-size:13px;transition:.2s}.profile-edit-btn:hover{background:#e5e7eb}.profile-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px;margin-bottom:30px}.profile-stats .stat-card{background:#fff;padding:24px;border-radius:14px;box-shadow:0 6px 20px #0000000d;display:flex;flex-direction:column;align-items:center;gap:6px;transition:.2s}.profile-stats .stat-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px #00000014}.profile-stats .stat-label{font-size:14px;color:#6b7280}.profile-stats .stat-value{font-size:32px;font-weight:700;color:#2563eb}.profile-section{margin-top:20px}.section-title{font-size:22px;font-weight:700;margin-bottom:14px}.history-card{background:#fff;padding:30px;border-radius:14px;box-shadow:0 6px 20px #0000000d}.history-placeholder{color:#6b7280;font-size:14px;text-align:center}.edit-label{font-size:.875rem;font-weight:600;color:#1f2937;margin-top:.5rem}.edit-input{padding:12px;border-radius:8px;border:1px solid #d1d5db;font-size:.95rem;background-color:#f9fafb;transition:border-color .2s,box-shadow .2s}.edit-input:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 3px #2563eb1a}.university-carousel{display:flex;overflow-x:auto;gap:12px;padding-bottom:8px;scroll-snap-type:x mandatory}.university-carousel::-webkit-scrollbar{height:6px}.university-carousel::-webkit-scrollbar-thumb{background-color:#d1d5db;border-radius:10px}.carousel-item{flex:0 0 auto;width:100px;display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px;border-radius:12px;border:2px solid transparent;background-color:#f3f4f6;cursor:pointer;scroll-snap-align:start;transition:all .2s}.carousel-item:hover{background-color:#e5e7eb}.carousel-item.active{border-color:#2563eb;background-color:#eff6ff}.uni-logo-placeholder{width:50px;height:50px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem;color:#4b5563;box-shadow:0 2px 4px #0000000d}.uni-name{font-size:.8rem;font-weight:600;color:#374151;text-align:center}@media(max-width:700px){.profile-header{grid-template-columns:1fr;text-align:center}.profile-avatar{margin:auto}.profile-info{align-items:center}}.ranking-page{max-width:900px;margin:auto;padding:2rem}.ranking-header{text-align:center;margin-bottom:2rem}.ranking-list{display:flex;flex-direction:column;gap:.7rem;margin-bottom:2rem}.ranking-item.pos-1{background:#fff7cc;box-shadow:none}.ranking-item.pos-2{background:#f0f0f0;box-shadow:none}.ranking-item.pos-3{background:#fbebe0;box-shadow:none}.ranking-item.current-user{border:2px solid #eb2525}.ranking-item{display:flex;align-items:center;background:#fff;padding:.7rem 1rem;border-radius:10px;justify-content:space-between;box-shadow:0 3px 10px #0000000d;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}.ranking-item:hover{transform:translateY(-2px);box-shadow:0 6px 15px #0000001a}.position{width:30px;flex-shrink:0;font-weight:700}.avatar{width:35px;height:35px;border-radius:50%;background:#2563eb;color:#fff;display:flex;align-items:center;justify-content:center;margin-right:10px;flex-shrink:0;overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover}.info{flex:1;margin-left:10px;min-width:0}.info h4{margin:0;font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.info p{margin:0;font-size:.75rem;color:gray;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.progress-container{width:100%;height:6px;background-color:#e5e7eb;border-radius:3px;margin-top:6px}.progress-fill{height:100%;background-color:#eb8525;border-radius:3px;transition:width .5s ease-out}.score{font-weight:700;flex-shrink:0;margin-left:10px}.user-progress-section{margin-top:2rem;text-align:center}.progress-divider{border:none;border-top:1px solid #e5e7eb;margin:1rem 0}.progress-title{font-size:1rem;color:#4b5563;margin-bottom:.5rem}.progress-total{font-size:1.1rem;font-weight:600}.empty-state{text-align:center;color:gray;padding:2rem;background-color:#f9fafb;border-radius:12px}.student-modal-content{display:flex;flex-direction:column;align-items:center;padding:1rem;text-align:center}.student-modal-avatar{width:80px;height:80px;border-radius:50%;background:#2563eb;color:#fff;display:flex;align-items:center;justify-content:center;font-size:2.5rem;font-weight:700;margin-bottom:1rem;overflow:hidden;box-shadow:0 4px 10px #0000001a}.student-modal-name{margin:0 0 1.5rem;font-size:1.5rem;color:#111827}.student-modal-details{display:flex;flex-direction:column;gap:1rem;width:100%;background:#f9fafb;padding:1.5rem;border-radius:12px;text-align:left}.student-modal-details p{margin:0;color:#374151;font-size:1rem}.schedule-page{max-width:800px;margin:0 auto;padding:2rem 1rem;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}.schedule-header{margin-bottom:2rem;text-align:center}.schedule-title{font-size:2rem;color:#1d4ed8;margin:0 0 .5rem}.month-navigator{display:flex;justify-content:center;align-items:center;gap:1rem;margin-top:1rem}.month-name{font-size:1.25rem;font-weight:600;color:#374151;text-transform:capitalize;width:180px;text-align:center}.month-arrow{background:#f3f4f6;border:1px solid #e5e7eb;width:40px;height:40px;border-radius:50%;font-size:1.5rem;cursor:pointer;color:#4b5563;transition:background-color .2s;display:flex;align-items:center;justify-content:center;flex-shrink:0;padding:0 0 2px}.month-arrow:hover{background:#e5e7eb}.events-list{display:flex;flex-direction:column;gap:2rem}.date-group{display:flex;flex-direction:column;gap:1rem}.date-header{font-weight:700;color:#4b5563;padding-bottom:.5rem;border-bottom:2px solid #e5e7eb;text-transform:capitalize}.event-card{background-color:#fff;border-radius:12px;padding:1rem 1.5rem;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;display:flex;align-items:center;justify-content:space-between;gap:1rem}.event-details{display:flex;align-items:center;gap:1rem}.event-time{font-weight:600;color:#1d4ed8;font-size:.9rem;width:80px}.event-main-info{display:flex;flex-direction:column}.event-title{font-size:1.1rem;font-weight:700;color:#111827;margin:0}.event-teacher{color:#4b5563;font-size:.9rem;margin:.25rem 0 0}.event-actions{display:flex;gap:.75rem}.btn-asistencia,.btn-grabacion{border:none;border-radius:8px;padding:.5rem 1rem;font-weight:600;cursor:pointer;transition:background-color .2s;font-size:.85rem;white-space:nowrap}.btn-asistencia{background-color:#ff8f00;color:#fff}.btn-asistencia:hover:not(:disabled){background-color:#e68100}.btn-asistencia.registered{background-color:#10b981;cursor:not-allowed}.btn-asistencia:disabled{opacity:.8}.btn-grabacion{background-color:#1a73e8;color:#fff;text-align:center;text-decoration:none}.btn-grabacion:hover{background-color:#1557b0}.asistencia-input{width:100%;padding:.75rem;border:1px solid #d1d5db;border-radius:8px;font-size:1rem;letter-spacing:2px;text-align:center;box-sizing:border-box}.btn-cancel{padding:.5rem 1rem;background:#f3f4f6;color:#374151;border:none;border-radius:6px;cursor:pointer}.btn-confirm{padding:.5rem 1rem;background:#1a73e8;color:#fff;border:none;border-radius:6px;cursor:pointer;font-weight:700}.btn-confirm:disabled{background:#9ca3af;cursor:not-allowed}.empty-events{text-align:center;color:#6b7280;padding:2rem;background-color:#f9fafb;border-radius:12px}@media(max-width:600px){.event-card{flex-direction:column;align-items:flex-start}.event-actions{width:100%}.btn-asistencia,.btn-grabacion{flex:1}}.voluntokers-wrapper{background:#f8fafc;min-height:100vh}.voluntokers-container{max-width:1100px;margin:auto;padding:40px 24px 60px;font-family:system-ui}.voluntokers-hero{text-align:center;margin-bottom:40px}.voluntokers-title{font-size:34px;font-weight:700;margin-bottom:12px;color:#111827}.voluntokers-subtitle{font-size:16px;color:#6b7280;max-width:650px;margin:auto auto 24px;line-height:1.6}.voluntokers-cta-row{display:flex;flex-direction:column;align-items:center;gap:10px}.btn-voluntoker-primary{background:#2563eb;color:#fff;padding:12px 26px;border-radius:10px;font-weight:600;text-decoration:none;transition:.2s;box-shadow:0 4px 10px #0000001a}.btn-voluntoker-primary:hover{background:#1d4ed8;transform:translateY(-2px)}.voluntokers-note{font-size:13px;color:#9ca3af}.voluntokers-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:50px}.stat{background:#fff;border-radius:12px;padding:18px;text-align:center;box-shadow:0 4px 10px #0000000f}.stat-number{font-size:24px;font-weight:700;color:#111827}.stat-label{font-size:13px;color:#6b7280}.section-title{font-size:22px;font-weight:600;margin-bottom:24px;color:#111827}.voluntokers-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.voluntoker-card{background:#fff;border-radius:14px;padding:22px;display:flex;gap:16px;align-items:flex-start;box-shadow:0 6px 16px #00000014;transition:.2s}.voluntoker-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px #0000001f}.voluntoker-avatar{width:48px;height:48px;border-radius:50%;background:#2563eb;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:18px;flex-shrink:0}.voluntoker-info{display:flex;flex-direction:column;gap:4px}.voluntoker-name{font-size:16px;font-weight:600;color:#111827;margin:0}.voluntoker-university{font-size:14px;color:#374151}.voluntoker-career{font-size:13px;color:#6b7280}.voluntoker-desc{font-size:13px;color:#6b7280;margin-top:6px;line-height:1.4}.voluntokers-state{display:flex;justify-content:center;padding:40px}.voluntokers-state.empty{color:#9ca3af;font-size:15px}@media(max-width:900px){.voluntokers-grid{grid-template-columns:repeat(2,1fr)}.voluntokers-stats{grid-template-columns:repeat(3,1fr)}}@media(max-width:600px){.voluntokers-title{font-size:28px}.voluntokers-subtitle{font-size:15px}.voluntokers-grid{grid-template-columns:1fr}.voluntokers-stats{grid-template-columns:1fr;gap:12px}}.teachers-wrapper{background:#f9fafb;min-height:100vh}.teachers-container{max-width:1100px;margin:auto;padding:40px 24px 60px;font-family:system-ui,-apple-system,sans-serif}.teachers-hero{text-align:center;margin-bottom:40px}.teachers-title{font-size:34px;font-weight:700;margin-bottom:12px;color:#111827}.teachers-subtitle{font-size:16px;color:#6b7280;max-width:650px;margin:auto;line-height:1.6}.search-bar-container{margin-top:2rem;display:flex;justify-content:center}.teachers-search-bar{width:100%;max-width:400px;padding:.75rem 1rem;font-size:1rem;border-radius:8px;border:1px solid #e5e7eb;box-shadow:0 1px 2px #0000000d;transition:border-color .2s,box-shadow .2s}.teachers-search-bar:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 3px #2563eb33}.teachers-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}.teacher-card{background:#fff;border-radius:14px;padding:24px;display:flex;flex-direction:column;box-shadow:0 6px 16px #00000012;transition:.2s}.teacher-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px #0000001a}.teacher-avatar{width:80px;height:80px;border-radius:50%;background:#2563eb;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:28px;flex-shrink:0;margin:0 auto 1rem;overflow:hidden}.teacher-avatar img{width:100%;height:100%;object-fit:cover}.teacher-info{text-align:center;flex-grow:1}.teacher-name{font-size:18px;font-weight:600;color:#111827;margin:0}.teacher-desc{font-size:14px;color:#6b7280;margin-top:8px;line-height:1.5}.teacher-stats{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.5rem;padding-top:1rem;border-top:1px solid #e5e7eb}.teacher-stat{text-align:center}.teacher-stat .stat-value{font-size:20px;font-weight:700;color:#1d4ed8}.teacher-stat .stat-label{font-size:13px;color:#6b7280;display:block}.teachers-state{display:flex;justify-content:center;padding:40px}.teachers-state.empty{color:#9ca3af;font-size:15px}