:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.6;font-weight:400;color-scheme:light dark;--primary-color: #007bff;--primary-hover: #0056b3;--secondary-color: #6c757d;--success-color: #28a745;--danger-color: #dc3545;--warning-color: #ffc107;--info-color: #17a2b8;--text-color: #333;--text-secondary: #666;--text-muted: #999;--bg-color: #ffffff;--bg-secondary: #f8f9fa;--card-bg: #ffffff;--border-color: #dee2e6;--shadow: 0 2px 8px rgba(0, 0, 0, .1);--shadow-hover: 0 4px 16px rgba(0, 0, 0, .15);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-xxl: 3rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--mobile: 768px;--tablet: 1024px;--desktop: 1280px;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media(prefers-color-scheme:dark){:root{--text-color: rgba(255, 255, 255, .87);--text-secondary: rgba(255, 255, 255, .7);--text-muted: rgba(255, 255, 255, .5);--bg-color: #1a1a1a;--bg-secondary: #242424;--card-bg: #2a2a2a;--border-color: #404040;--shadow: 0 2px 8px rgba(0, 0, 0, .3);--shadow-hover: 0 4px 16px rgba(0, 0, 0, .4)}}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;color:var(--text-color);background-color:var(--bg-color)}#root{width:100%;min-height:100vh;display:flex;flex-direction:column}a{color:var(--primary-color);text-decoration:none;transition:color 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.2s}.play-button:hover{background:#0056b3}.play-button:active{transform:scale(.95)}.progress-bar{flex:1;height:6px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:#ddd;border-radius:3px;outline:none}.progress-bar::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:#007bff;cursor:pointer}.progress-bar::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:#007bff;cursor:pointer;border:none}.time-display{font-size:.875rem;color:#666;min-width:40px;text-align:center}@media(max-width:768px){.audio-controls{gap:.5rem}.time-display{font-size:.75rem;min-width:35px}.play-button{width:36px;height:36px}}.detail-page{max-width:900px;margin:0 auto;padding:2rem}.back-button{background:none;border:none;color:#007bff;cursor:pointer;font-size:1rem;margin-bottom:1.5rem;padding:.5rem 0;transition:color .2s}.back-button:hover{color:#0056b3;text-decoration:underline}.detail-page h1{font-size:2.5rem;margin-bottom:.5rem;color:#333}.detail-page .date{color:#666;font-size:1rem;margin-bottom:1rem}.detail-page .tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}.detail-page .tag{background:#e9ecef;padding:.375rem .75rem;border-radius:20px;font-size:.875rem;color:#495057;text-decoration:none;transition:background .2s}.detail-page .tag:hover{background:#dee2e6}.detail-page .description{font-size:1.125rem;line-height:1.6;margin-bottom:2rem;color:#555}.detail-page .full-description,.detail-page .abstract,.detail-page .full-content{margin:2rem 0}.detail-page h2{font-size:1.75rem;margin-bottom:1rem;color:#333}.detail-page h3{font-size:1.25rem;margin:1.5rem 0 .75rem;color:#333}.detail-page .technologies ul,.detail-page .instruments ul{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;padding:0}.detail-page .technologies li,.detail-page .instruments li{background:#f8f9fa;padding:.5rem 1rem;border-radius:6px;border:1px solid #dee2e6}.detail-page .links{margin:2rem 0}.detail-page .links a{display:inline-block;margin-right:1rem;margin-bottom:.5rem;padding:.5rem 1rem;background:#007bff;color:#fff;text-decoration:none;border-radius:6px;transition:background .2s}.detail-page .links a:hover{background:#0056b3}.publication-detail .authors{font-size:1.125rem;color:#555;margin-bottom:.5rem}.publication-detail .venue{font-style:italic;color:#666;margin-bottom:.5rem}.pdf-download{margin:2rem 0}.download-button{display:inline-block;padding:.75rem 1.5rem;background:#28a745;color:#fff;text-decoration:none;border-radius:6px;font-weight:600;transition:background .2s}.download-button:hover{background:#218838}.related-items{margin-top:3rem;padding-top:2rem;border-top:2px solid #e9ecef}.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem;margin-top:1rem}.related-card{display:block;padding:1rem;border:1px solid #dee2e6;border-radius:8px;text-decoration:none;color:inherit;transition:transform 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100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1}.not-found-subtitle{font-size:2rem;margin:var(--spacing-lg) 0 var(--spacing-md);color:var(--text-color)}.not-found-message{font-size:1.125rem;color:var(--text-secondary);margin-bottom:var(--spacing-xl);line-height:1.6}.not-found-actions{display:flex;gap:var(--spacing-md);justify-content:center;flex-wrap:wrap}.btn-primary,.btn-secondary{padding:.75rem 2rem;border-radius:var(--radius-md);text-decoration:none;font-weight:500;transition:all var(--transition-base);display:inline-block}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px #007bff4d}.btn-secondary{background:transparent;color:var(--primary-color);border:2px solid var(--primary-color)}.btn-secondary:hover{background:var(--primary-color);color:#fff;transform:translateY(-2px)}@media(max-width:768px){.not-found-title{font-size:5rem}.not-found-subtitle{font-size:1.5rem}.not-found-message{font-size:1rem}.not-found-actions{flex-direction:column}.btn-primary,.btn-secondary{width:100%}}.admin-login{display:flex;align-items:center;justify-content:center;min-height:70vh;padding:var(--spacing-xl)}.admin-login-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--spacing-xxl);max-width:450px;width:100%;box-shadow:var(--shadow)}.admin-login-card h1{margin:0 0 var(--spacing-sm) 0;text-align:center;color:var(--text-color)}.admin-login-subtitle{text-align:center;color:var(--text-secondary);margin-bottom:var(--spacing-xl)}.admin-login-form,.form-group{margin-bottom:var(--spacing-lg)}.form-group input{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:var(--radius-md);font-size:1rem;background:var(--bg-color);color:var(--text-color);transition:border-color var(--transition-base)}.form-group input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #007bff1a}.error-message{padding:var(--spacing-md);background:#dc35451a;border:1px solid var(--danger-color);border-radius:var(--radius-md);color:var(--danger-color);margin-bottom:var(--spacing-lg);text-align:center}.login-button{width:100%;padding:.875rem;background:var(--primary-color);color:#fff;border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:600;cursor:pointer;transition:all var(--transition-base)}.login-button:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px #007bff4d}.admin-login-note{text-align:center;font-size:.875rem;color:var(--text-muted);margin:0;padding:var(--spacing-md);background:var(--bg-secondary);border-radius:var(--radius-md)}@media(max-width:768px){.admin-login-card{padding:var(--spacing-xl)}}.admin-dashboard{min-height:70vh;padding:var(--spacing-lg)}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-lg);border-bottom:2px solid var(--border-color)}.admin-header h1{margin:0;color:var(--text-color)}.logout-button{padding:.5rem 1.5rem;background:var(--danger-color);color:#fff;border:none;border-radius:var(--radius-md);font-weight:500;cursor:pointer;transition:all var(--transition-base)}.logout-button:hover{background:#c82333;transform:translateY(-1px)}.admin-content{display:grid;grid-template-columns:250px 1fr;gap:var(--spacing-xl)}.admin-sidebar{background:var(--card-bg);border:1px solid 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h3{margin-bottom:1rem}.social-links a{display:inline-block;margin-right:1rem;padding:.5rem 1rem;background:var(--color-primary, #007bff);color:#fff;text-decoration:none;border-radius:4px;transition:background .2s}.social-links a:hover{background:var(--color-primary-dark, #0056b3)}.courses-section{margin-top:3rem}.courses-section h2{margin-bottom:2rem;padding-bottom:.5rem;border-bottom:2px solid var(--border-color, #e0e0e0)}.course-category{margin-bottom:2rem}.course-category h3{font-size:1.25rem;margin-bottom:1rem;color:var(--primary-color, #646cff)}.course-list{list-style:none;padding:0}.course-item{padding:1rem;margin-bottom:.75rem;background:var(--card-bg, #f9f9f9);border:1px solid var(--border-color, #e0e0e0);border-radius:6px;display:flex;flex-direction:column;gap:.5rem}.course-item strong{font-size:1.1rem;color:var(--text-color, #213547)}.course-item .semester{font-size:.875rem;color:var(--color-text-secondary, #666);font-style:italic}.course-item p{margin:0;color:var(--color-text-secondary, #666);line-height:1.5}@media(max-width:768px){.course-item{padding:.75rem}}.detail-page{max-width:900px}.back-button{padding:.5rem 1rem;margin-bottom:2rem;background:var(--color-surface, #f5f5f5);border:1px solid var(--color-border, #ddd);border-radius:4px;cursor:pointer;font-size:1rem;transition:background .2s}.back-button:hover{background:var(--color-border, #ddd)}.detail-page h1{margin-bottom:1rem}.detail-page .full-description,.detail-page .abstract,.detail-page .full-content{margin:2rem 0;line-height:1.6}.detail-page .technologies ul,.detail-page .instruments ul{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:.5rem}.detail-page .technologies li,.detail-page .instruments li{padding:.5rem 1rem;background:var(--color-surface, #f5f5f5);border-radius:4px}.detail-page .links{margin-top:2rem}.detail-page .links a{display:inline-block;margin-right:1rem;padding:.5rem 1rem;background:var(--color-primary, #007bff);color:#fff;text-decoration:none;border-radius:4px;transition:background .2s}.detail-page .links a:hover{background:var(--color-primary-dark, #0056b3)}.authors{font-style:italic;color:var(--color-text-secondary, #666);margin:.5rem 0}.venue{font-weight:500;margin:.5rem 0}.home{padding:2rem 0}.hero{text-align:center;padding:4rem 2rem;margin-bottom:4rem}.hero h1{font-size:3rem;margin-bottom:1rem;background:linear-gradient(135deg,var(--primary-color, #646cff) 0%,var(--secondary-color, #535bf2) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1.25rem;margin-bottom:2rem;color:var(--color-text-secondary, #666);max-width:600px;margin-left:auto;margin-right:auto}.hero-links{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.hero-link{padding:.75rem 2rem;background:var(--primary-color, #646cff);color:#fff;text-decoration:none;border-radius:8px;font-weight:500;transition:transform .2s,box-shadow .2s}.hero-link:hover{transform:translateY(-2px);box-shadow:0 4px 12px #646cff4d}.recent-section{margin-bottom:4rem}.recent-section h2{font-size:2rem;margin-bottom:1.5rem;padding-bottom:.5rem;border-bottom:2px solid var(--border-color, #e0e0e0)}.recent-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}.recent-card{display:block;padding:1.5rem;background:var(--card-bg, #f9f9f9);border:1px solid var(--border-color, #e0e0e0);border-radius:8px;text-decoration:none;color:inherit;transition:transform .2s,box-shadow .2s,border-color .2s}.recent-card:hover{transform:translateY(-4px);box-shadow:0 4px 12px #0000001a;border-color:var(--primary-color, #646cff)}.recent-card h3{margin-top:0;margin-bottom:.75rem;font-size:1.25rem;color:var(--text-color, #213547)}.recent-card p{margin:.5rem 0;color:var(--color-text-secondary, #666);line-height:1.5}.recent-card.publication .authors{font-style:italic;font-size:.9rem}.recent-card.publication .venue{font-weight:500;color:var(--text-color, #213547)}@media(max-width:768px){.hero h1{font-size:2rem}.hero-subtitle{font-size:1rem}.recent-grid{grid-template-columns:1fr}}.no-results{text-align:center;padding:3rem;color:var(--color-text-secondary, #666);font-size:1.125rem}