*{margin:0;padding:0;box-sizing:border-box}:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#e3f2fd,#f8f9fa);padding:20px}.auth-card{background:#fff;border-radius:20px;box-shadow:0 20px 60px #0000004d;padding:40px;width:100%;max-width:450px;animation:slideUp .5s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.auth-header{text-align:center;margin-bottom:30px}.auth-header h1{font-size:2.5rem;font-weight:700;color:#529fd9;margin-bottom:10px}.auth-header 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.anuncio-header{background:#e0e0e0}.anuncio-content{width:100%;height:250px;overflow:hidden;background:#000;display:flex;align-items:center;justify-content:center}.anuncio-media{width:100%;height:100%;object-fit:contain}.anuncio-footer{display:flex;justify-content:space-between;align-items:center;padding:12px 15px;background:#f8f9fa;border-top:1px solid #e0e0e0;gap:10px;flex-wrap:wrap}.anuncio-tamaño{background:#28a745;color:#fff;padding:4px 12px;border-radius:12px;font-size:.75rem;font-weight:600}.anuncio-segundos{background:#ff9800;color:#fff;padding:4px 12px;border-radius:12px;font-size:.75rem;font-weight:600}.anuncio-tipo{background:#529fd9;color:#fff;padding:4px 12px;border-radius:12px;font-size:.75rem;font-weight:600}.anuncio-fecha{color:#666;font-size:.85rem}.anuncio-author{display:flex;align-items:center;gap:8px;padding:10px 15px;background:#f0f0f0;border-top:1px solid #e0e0e0;font-size:.85rem}.author-label{color:#666;font-weight:500}.author-name{color:#529fd9;font-weight:600}.empty-state{text-align:center;padding:60px 20px;color:#999}.empty-state p{font-size:1.1rem;margin:10px 0}.empty-hint{font-size:.9rem!important;color:#bbb!important}@media(max-width:768px){.welcome-section{flex-direction:column;align-items:stretch;gap:15px;padding:15px}.welcome-section h2{width:100%;font-size:1.5rem;max-width:100%;flex:none}.manage-users-button{width:100%;text-align:center;align-self:stretch}.dashboard-header{flex-direction:column;gap:15px;padding:20px}.dashboard-content{padding:30px 20px}.tabs{flex-direction:column;gap:5px}.tab-button{width:100%;text-align:left;padding:12px 20px}.tab-header-actions{flex-direction:column;align-items:flex-start;gap:15px}.tab-header-actions h2{font-size:1.5rem}.upload-button{width:100%}.anuncios-grid{grid-template-columns:1fr}.anuncio-content-grande{height:300px!important}.radio-group{flex-direction:column;gap:10px}.filter-tabs{flex-direction:column;gap:5px}.filter-tab{width:100%;text-align:left;padding:10px 15px}.tab-wrapper{flex:1;min-width:0}.tab-button{width:100%;padding:12px 15px}.add-tab-button{width:100%;height:auto;padding:12px;border-radius:8px;margin-top:10px}.add-tab-form{margin-top:10px}}