@tailwind base;@tailwind components;@tailwind utilities;:root{--background-color: #0a192f;--sidebar-bg: #112240;--text-primary: #ccd6f6;--text-secondary: #8892b0;--accent-color: #64ffda;--accent-color-dark: #13bba4;--card-bg: #112240;--border-color: #233554;--input-bg: #0a192f;--correct-color: #28a745;--incorrect-color: #dc3545;--user-message-bg: #2a4c7c;--font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif}[data-theme=light]{--background-color: #f0f2f5;--sidebar-bg: #ffffff;--text-primary: #050505;--text-secondary: #55585f;--accent-color: #0062E3;--accent-color-dark: #0052D1;--card-bg: #ffffff;--border-color: #d8dde4;--input-bg: #e4e6eb;--user-message-bg: #0084ff}html{box-sizing:border-box;font-size:16px}html.font-size-small{font-size:14px}html.font-size-normal{font-size:16px}html.font-size-large{font-size:18px}*,*:before,*:after{box-sizing:inherit}html,body{height:100%;margin:0;padding:0;font-family:var(--font-sans);background-color:var(--background-color);color:var(--text-primary);overflow-x:hidden;transition:background-color .3s,color .3s}h1,h2,h3,h4,h5,h6{color:var(--text-primary)}a{color:var(--accent-color);text-decoration:none;transition:color .2s}a:hover{text-decoration:underline}.app-button{background-color:var(--accent-color);color:#0a192f;border:1px solid var(--accent-color);padding:.75rem 1.5rem;border-radius:6px;cursor:pointer;font-size:1rem;font-weight:600;transition:background-color .2s,color .2s,border-color .2s;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}.app-button:hover{background-color:var(--accent-color-dark);border-color:var(--accent-color-dark)}.app-button.secondary{background-color:transparent;color:var(--accent-color)}.app-button.secondary:hover{background-color:#64ffda1a}.app-button.small{padding:.5rem 1rem;font-size:.9rem}.app-button:disabled{background-color:var(--text-secondary);border-color:var(--text-secondary);color:var(--background-color);cursor:not-allowed;opacity:.6}[data-theme=light] .app-button{color:#fff}[data-theme=light] .app-button.secondary{color:var(--accent-color)}#app-container{display:flex;height:100vh;width:100%;position:relative}#sidebar{width:240px;flex-shrink:0;background-color:var(--sidebar-bg);border-right:1px solid var(--border-color);display:flex;flex-direction:column}.sidebar-header{padding:1.5rem;border-bottom:1px solid var(--border-color)}.sidebar-header h1{margin:0 0 .75rem;font-size:1.25rem;color:var(--text-primary);font-weight:600}.change-course-button{background-color:transparent;color:var(--accent-color);border:1px solid var(--accent-color);padding:.5rem 1rem;border-radius:6px;font-size:.8rem;cursor:pointer;width:100%;transition:background-color .2s,color .2s}.change-course-button:hover{background-color:var(--accent-color);color:var(--background-color)}.nav-list{list-style:none;padding:1rem 0;margin:0;flex-grow:1;overflow-y:auto}.nav-item{display:flex;align-items:center;padding:.8rem 1.5rem;cursor:pointer;color:var(--text-secondary);transition:background-color .2s,color .2s;border-left:3px solid transparent}.nav-item:hover{background-color:#64ffda1a;color:var(--accent-color)}.nav-item.active{color:var(--accent-color);border-left-color:var(--accent-color);background-color:#64ffda1a}.nav-item svg{width:24px;height:24px;margin-right:1rem;flex-shrink:0}.nav-item span{font-size:1rem;font-weight:500}.sidebar-footer{padding:1rem;border-top:1px solid var(--border-color)}#view-container{flex-grow:1;display:flex;flex-direction:column;overflow-y:auto}#app-header{padding:1rem 2rem;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center;background-color:var(--sidebar-bg)}#view-title{margin:0;font-size:1.25rem;color:var(--accent-color)}.header-controls{display:flex;align-items:center;gap:1.5rem}.direct-controls{display:flex;align-items:center;gap:.75rem;background:#ffffff0d;padding:.25rem;border-radius:8px;border:1px solid var(--border-color)}.header-btn{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:.4rem;border-radius:6px;transition:all .2s}.header-btn:hover{background:#64ffda1a;color:var(--accent-color)}.header-btn svg{width:20px;height:20px}.button-group{display:flex;gap:2px;background:var(--border-color);padding:2px;border-radius:6px;overflow:hidden}.button-group button{background:var(--sidebar-bg);border:none;color:var(--text-secondary);padding:.2rem .6rem;font-size:.75rem;font-weight:600;cursor:pointer;transition:all .2s}.button-group button:hover{color:var(--accent-color)}.button-group button.active{background:var(--accent-color);color:var(--background-color)}#stats-widget{display:flex;gap:1.5rem;color:var(--text-secondary);flex-shrink:0}#main-content{flex-grow:1;padding:2rem}#course-selection-modal{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000000b3;display:flex;justify-content:center;align-items:center;z-index:1000;color:var(--text-primary);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}#course-selection-modal.hidden{display:none}#course-selection-modal .modal-content{background-color:var(--sidebar-bg);padding:40px;border-radius:12px;text-align:center;max-width:500px;width:90%;box-shadow:0 5px 15px #0000004d;border:1px solid var(--border-color)}#course-selection-modal h2{margin-top:0;font-size:1.8em;color:var(--accent-color)}#course-selection-modal p{margin-bottom:30px;font-size:1.1em;color:var(--text-secondary)}#course-selection-modal .course-buttons{display:flex;flex-direction:column;gap:15px}#course-selection-modal button{background-color:transparent;color:var(--accent-color);border:1px solid var(--accent-color);padding:15px 20px;border-radius:8px;font-size:1.1em;font-weight:600;cursor:pointer;transition:background-color .3s ease,color .3s ease}#course-selection-modal button:hover{background-color:var(--accent-color);color:var(--background-color)}.accordion details{border:1px solid var(--border-color);border-radius:8px;background-color:var(--card-bg);overflow:hidden;margin-bottom:2rem}.accordion summary{padding:1rem 1.5rem;cursor:pointer;font-size:1.2rem;font-weight:600;color:var(--accent-color);list-style:none;display:flex;justify-content:space-between;align-items:center}.accordion summary::-webkit-details-marker{display:none}.accordion summary:after{content:"▼";font-size:1rem;transition:transform .2s}.accordion details[open] summary:after{transform:rotate(180deg)}.accordion .accordion-content{padding:0 1.5rem 1.5rem;border-top:1px solid var(--border-color);line-height:1.6}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;justify-content:center;align-items:center;z-index:2000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{background:var(--sidebar-bg);padding:2rem;border-radius:12px;max-width:600px;width:90%;max-height:90vh;overflow-y:auto;border:1px solid var(--border-color);position:relative}.podcast-player-container{margin-bottom:2rem;padding:1.5rem;background:#ffffff08;border:1px solid var(--border-color);border-radius:12px;display:flex;flex-direction:column;gap:1rem}.podcast-info{display:flex;flex-direction:column;gap:.25rem}.podcast-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--accent-color);font-weight:600}.podcast-title{margin:0;font-size:1.1rem;color:var(--text-primary)}.player-controls{display:flex;align-items:center;gap:1rem}.player-btn{background:transparent;border:none;color:var(--text-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:.5rem;border-radius:50%;transition:all .2s cubic-bezier(.4,0,.2,1)}.player-btn.primary{background:var(--accent-color);color:var(--background-color);padding:.8rem;box-shadow:0 4px 12px #64ffda4d}.player-btn.primary:hover{transform:scale(1.05);box-shadow:0 6px 16px #64ffda66}.player-btn.secondary{color:var(--text-secondary)}.player-btn.secondary:hover{color:var(--accent-color);background:#64ffda1a}.progress-container{flex:1;display:flex;align-items:center;gap:.75rem}.time-display{font-size:.8rem;font-family:monospace;color:var(--text-secondary);min-width:35px}.progress-slider,.volume-slider{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:4px;background:var(--border-color);border-radius:2px;outline:none;cursor:pointer}.progress-slider::-webkit-slider-thumb,.volume-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:12px;height:12px;background:var(--accent-color);border-radius:50%;cursor:pointer;transition:transform .1s}.progress-slider::-webkit-slider-thumb:hover,.volume-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.volume-container{display:flex;align-items:center;gap:.5rem;width:120px}.volume-slider{max-width:80px}@media (max-width: 600px){.player-controls{flex-wrap:wrap}.volume-container{width:100%;justify-content:flex-end}}#scroll-to-top{position:fixed;bottom:2rem;right:2rem;width:3.5rem;height:3.5rem;background:var(--accent-color);color:var(--background-color);border:none;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px #00c4cc66;opacity:0;transition:all .4s cubic-bezier(.4,0,.2,1);transform:translateY(1rem) scale(.9);pointer-events:none;z-index:200}#scroll-to-top.visible{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}#scroll-to-top:hover{transform:translateY(-.3rem) scale(1.05);filter:brightness(1.1);box-shadow:0 8px 24px #00c4cc80}#scroll-to-top svg{width:28px;height:28px;stroke-width:2.5px}@media (max-width: 768px){#scroll-to-top{bottom:1.5rem;right:1.5rem;width:3rem;height:3rem}}#login-container{display:flex;justify-content:center;align-items:center;width:100%;height:100vh;background-color:var(--background-color)}.login-box{background-color:var(--sidebar-bg);padding:3rem;border-radius:12px;border:1px solid var(--border-color);text-align:center;max-width:400px;width:90%;box-shadow:0 10px 30px -15px #020c1bb3}#login-form{display:flex;flex-direction:column;gap:1rem}#login-form input{background-color:var(--background-color);border:1px solid var(--border-color);border-radius:6px;padding:.75rem 1rem;color:var(--text-primary);font-size:1.1rem;text-align:center;width:100%}.password-wrapper{position:relative;width:100%}.password-toggle{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;padding:0;cursor:pointer;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;transition:color .2s}.password-toggle:hover,.password-toggle.visible{color:var(--accent-color)}.password-toggle svg{width:20px;height:20px}#temario-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem}.temario-card{position:relative;background:linear-gradient(135deg,var(--card-bg) 0%,var(--sidebar-bg) 100%);border:1px solid var(--border-color);border-radius:16px;padding:2rem 1.5rem;text-align:center;cursor:pointer;transition:all .4s cubic-bezier(.175,.885,.32,1.275);display:flex;flex-direction:column;align-items:center;box-shadow:0 4px 6px #0000001a,0 1px 3px #00000014;overflow:hidden}.temario-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--accent-color),var(--accent-color-dark));transform:scaleX(0);transition:transform .4s ease}.temario-card:hover:before{transform:scaleX(1)}.temario-card:hover{transform:translateY(-8px) scale(1.02);border-color:var(--accent-color);box-shadow:0 12px 24px #64ffda26,0 6px 12px #0003}.temario-card .icon{font-size:3rem;line-height:1;margin-bottom:1rem;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1));transition:transform .3s ease}.temario-card:hover .icon{transform:scale(1.1) rotate(5deg)}.temario-card h3{margin:1rem 0 0;color:var(--text-primary);font-size:1.1rem;font-weight:600;flex-grow:1;transition:color .3s ease}.temario-card:hover h3{color:var(--accent-color)}.temario-card.extra{border-style:dashed;background:linear-gradient(135deg,rgba(100,255,218,.05) 0%,var(--card-bg) 100%)}.temario-card-extra-info{font-size:.75rem;color:var(--text-secondary);border:1px solid var(--text-secondary);border-radius:10px;padding:2px 8px;margin-top:.75rem;display:inline-block}.prueba-card,.curiosidad-card{position:relative;background:linear-gradient(135deg,var(--card-bg) 0%,var(--sidebar-bg) 100%);border:1px solid var(--border-color);border-radius:16px;padding:2.5rem 2rem;text-align:center;cursor:pointer;transition:all .4s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 4px 6px #0000001a,0 1px 3px #00000014;overflow:hidden}.prueba-card:before,.curiosidad-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--accent-color),var(--accent-color-dark));transform:scaleX(0);transition:transform .4s ease}.prueba-card:hover:before,.curiosidad-card:hover:before{transform:scaleX(1)}.prueba-card:hover,.curiosidad-card:hover{transform:translateY(-8px) scale(1.02);border-color:var(--accent-color);box-shadow:0 12px 24px #64ffda26,0 6px 12px #0003}.prueba-card svg,.curiosidad-card svg{width:56px;height:56px;color:var(--accent-color);margin-bottom:1.5rem;filter:drop-shadow(0 2px 4px rgba(100,255,218,.3));transition:transform .3s ease}.prueba-card:hover svg,.curiosidad-card:hover svg{transform:scale(1.15) rotate(5deg)}.prueba-card h4,.curiosidad-card h4{margin:0 0 .75rem;font-size:1.4rem;font-weight:600;color:var(--text-primary);transition:color .3s ease}.prueba-card:hover h4,.curiosidad-card:hover h4{color:var(--accent-color)}.prueba-card p,.curiosidad-card p{color:var(--text-secondary);font-size:.95rem;line-height:1.6;margin:0}.quiz-container{max-width:800px;margin:0 auto;padding:1rem}.quiz-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:16px;padding:2.5rem;box-shadow:0 10px 25px -5px #0000004d}.quiz-question-topic{display:block;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--accent-color);margin-bottom:.5rem;font-weight:600}.quiz-question-text{font-size:1.5rem;line-height:1.4;color:var(--text-primary);margin-bottom:2rem;font-weight:500}.quiz-question-image{margin:0 auto 2rem;display:flex;justify-content:center;background:#ffffff05;padding:1.5rem;border-radius:12px;border:1px solid var(--border-color);max-width:100%}.quiz-question-image svg{max-width:100%;height:auto;display:block}.quiz-options{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}.quiz-options button{display:flex;align-items:center;padding:1.25rem 1.5rem;background:#ffffff08;border:1px solid var(--border-color);border-radius:12px;color:var(--text-primary);font-size:1.1rem;text-align:left;cursor:pointer;transition:all .2s ease;width:100%}.quiz-options button:hover:not(:disabled){background:#64ffda14;border-color:var(--accent-color);transform:translate(4px)}.quiz-options button.selected-strict{background:#64ffda33;border-color:var(--accent-color);color:var(--accent-color)}.quiz-options button.correct{background:#28a74533;border-color:var(--correct-color);color:#fff}.quiz-options button.incorrect{background:#dc354533;border-color:var(--incorrect-color);color:#fff}.quiz-feedback{padding:1.5rem;border-radius:12px;margin-bottom:2rem;display:none;animation:fadeIn .3s ease}.quiz-feedback.correct{background:#28a7451a;border-left:4px solid var(--correct-color);color:var(--correct-color)}.quiz-feedback.incorrect{background:#dc35451a;border-left:4px solid var(--incorrect-color);color:var(--incorrect-color)}.quiz-explanation{margin-top:.75rem;color:var(--text-secondary);font-size:.95rem;line-height:1.6}.quiz-controls{display:flex;justify-content:flex-end}.next-question-btn{opacity:0;pointer-events:none;transition:opacity .3s ease}.next-question-btn.show{opacity:1;pointer-events:auto}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}#topic-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364ffda' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19.5 8.25l-7.5 7.5-7.5-7.5' /%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center;background-size:1.5rem;padding-right:3rem;color:var(--text-primary)!important;background-color:var(--card-bg)!important;border:1px solid var(--border-color)!important}[data-theme=light] #topic-select{color:#050505!important;background-color:#fff!important;border-color:#d8dde4!important;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%230062E3' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19.5 8.25l-7.5 7.5-7.5-7.5' /%3E%3C/svg%3E")}.result-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1.5rem;margin:2rem 0}.result-item{background:#ffffff08;border:1px solid var(--border-color);padding:1.5rem;border-radius:12px;text-align:center;display:flex;flex-direction:column;gap:.5rem}.result-item span{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary)}.result-item strong{font-size:2rem;color:var(--text-primary)}.result-item strong.pass{color:var(--correct-color)}.result-item strong.fail{color:var(--incorrect-color)}.failed-question-item{background:#ffffff08;border:1px solid var(--border-color);padding:1.5rem;border-radius:12px;margin-bottom:1.5rem}.failed-question-item p{font-weight:600;margin-bottom:1rem;font-size:1.1rem}.failed-question-item .correct-answer{color:var(--correct-color);margin-bottom:.5rem}.failed-question-item .explanation{font-size:.9rem;color:var(--text-secondary)}.topic-content{max-width:800px;line-height:1.7}.topic-content h2,.topic-content h3,.topic-content h4{color:var(--accent-color);border-bottom:1px solid var(--border-color);padding-bottom:.5rem;margin-top:2.5rem}.diagram-container{margin:2rem 0;padding:1rem;background:#64ffda08;border:1px solid var(--border-color);border-radius:12px;text-align:center}.diagram-container.small{max-width:400px;margin-left:auto;margin-right:auto}.diagram-container img{max-width:100%;max-height:400px;height:auto;object-fit:contain;border-radius:8px;box-shadow:0 4px 12px #0003;transition:transform .3s ease}.diagram-container img:hover{transform:scale(1.02)}@media (max-width: 768px){.diagram-container img{max-height:none}}.diagram-container figcaption{margin-top:1rem;font-size:.9rem;color:var(--text-secondary);font-style:italic;line-height:1.4}.diagram-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;margin:2rem 0}.diagram-grid .diagram-container{margin:0}.info-box{background:#64ffda0d;border-left:4px solid var(--accent-color);padding:1.5rem;border-radius:0 8px 8px 0;margin:2rem 0}.info-box h4{margin-top:0;border:none;color:var(--accent-color)}.mnemonic-box{background:#64ffda14;border-left:4px solid var(--accent-color);padding:1rem 1.5rem;margin:1.5rem 0;border-radius:0 8px 8px 0;font-style:italic;display:flex;gap:1rem;align-items:center}.mnemonic-box:before{content:"🧠";font-size:1.5rem;flex-shrink:0}.topic-table{width:100%;border-collapse:separate;border-spacing:0;margin:2rem 0;font-size:.95rem;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px #0000001a;background-color:var(--card-bg)}.topic-table thead{background:linear-gradient(90deg,var(--sidebar-bg),rgba(100,255,218,.05));border-bottom:2px solid var(--accent-color)}.topic-table th{padding:1.2rem 1rem;text-align:left;font-weight:600;color:var(--accent-color);text-transform:uppercase;letter-spacing:.05em;font-size:.85rem}.topic-table th:not(:last-child){border-right:1px solid rgba(255,255,255,.05)}.topic-table td{padding:1rem;border-bottom:1px solid var(--border-color);color:var(--text-primary);transition:background-color .2s ease}.topic-table td:not(:last-child){border-right:1px solid rgba(255,255,255,.02)}.topic-table tbody tr:nth-of-type(2n){background-color:#ffffff05}.topic-table tbody tr:hover td{background-color:#64ffda0d}.topic-table tbody tr:last-of-type td{border-bottom:none}.light-rhythm{display:flex;gap:4px;justify-content:center;margin:8px 0}.dot{width:10px;height:10px;border-radius:50%;background-color:#555;box-shadow:0 0 2px #00000080}.dot.red{background-color:#ff4d4d;box-shadow:0 0 8px #ff4d4d}.dot.green{background-color:#2ecc71;box-shadow:0 0 8px #2ecc71}.dot.yellow{background-color:#f1c40f;box-shadow:0 0 8px #f1c40f}.dot.white{background-color:#fff;box-shadow:0 0 8px #fff}.dot.long{width:25px;border-radius:5px}.rhythm-label{font-family:monospace;font-weight:700;font-size:.85rem;margin-top:4px;display:block}@keyframes flash{0%,to{opacity:.2;box-shadow:none}50%{opacity:1;box-shadow:0 0 10px currentColor}}@keyframes flash-long{0%,to{opacity:.2;box-shadow:none}30%,70%{opacity:1;box-shadow:0 0 10px currentColor}}@keyframes pattern-lfl{0%,30%,80%,to{opacity:.2;box-shadow:none}40%,70%{opacity:1;box-shadow:0 0 10px currentColor}}@keyframes pattern-fl2{0%,15%,35%,50%,to{opacity:.2;box-shadow:none}5%,10%,25%,30%{opacity:1;box-shadow:0 0 10px currentColor}}@keyframes pattern-fl2-1{0%,15%,35%,50%,70%,85%,to{opacity:.2;box-shadow:none}5%,10%,25%,30%,60%,65%{opacity:1;box-shadow:0 0 10px currentColor}}@keyframes 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