* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 2rem 0;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

header h1 {
    color: #2c3e50;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

header p {
    color: #5a6c7d;
    font-size: 1.1rem;
}

/* Selector de Sorteos - Como sección principal */
.selector-section {
    background: white;
    margin: 2rem 0;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-left: 5px solid #667eea;
}

.selector-header {
    text-align: center;
    margin-bottom: 2rem;
}

.selector-header h2 {
    color: #2c3e50;
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 0.5rem;
}

.selector-header p {
    color: #495057;
    font-size: 1.1rem;
}

.selector-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.selector-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.selector-group label {
    font-weight: 600;
    color: #2c3e50;
    white-space: nowrap;
    font-size: 1.1rem;
}

.draw-selector {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1.1rem;
    background: white;
    transition: all 0.3s ease;
    cursor: pointer;
}

.draw-selector:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.draw-selector:hover {
    border-color: #667eea;
}

.current-draw-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
}

.draw-badge {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 25px;
    font-weight: bold;
    font-size: 1.3rem;
    box-shadow: 0 6px 12px rgba(102, 126, 234, 0.3);
}

.draw-date-large {
    color: #2c3e50;
    font-weight: 600;
    font-size: 1.2rem;
    background: #f8f9fa;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    border: 2px solid #e9ecef;
}

/* Sections */
section {
    background: white;
    margin: 2rem 0;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-header h2 {
    color: #2c3e50;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.6rem;
}

/* Results Sections */
.results-section {
    border-left: 5px solid #667eea;
}

.draw-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 2rem;
    margin: 1.5rem 0;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.draw-card:hover {
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
}

.draw-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.draw-header h3 {
    color: #2c3e50;
    font-size: 1.4rem;
}

.draw-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.draw-type {
    background: #667eea;
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.draw-type.rekino {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
}

/* Numbers Container */
.numbers-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
    margin: 1rem 0;
}

.number {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.3rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.number::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: rotate(45deg);
    transition: all 0.5s;
}

.number:hover::before {
    transform: rotate(45deg) translate(50%, 50%);
}

.number:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 6px 15px rgba(102, 126, 234, 0.4);
}

.number.rekino {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.number.rekino:hover {
    box-shadow: 0 6px 15px rgba(231, 76, 60, 0.4);
}

/* Info Section Mejorada */
.info-section {
    margin: 2rem 0;
    border-left: 5px solid #f39c12;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.info-card {
    background: linear-gradient(135deg, #f8f9fa, #ffffff);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
    border-color: #667eea;
}

.info-card h3 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.3rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e9ecef;
}

.info-card h3 i {
    color: #667eea;
    font-size: 1.5rem;
}

.info-content {
    color: #3d3d3d;
    line-height: 1.7;
}

.info-content p {
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.info-content strong {
    color: #2c3e50;
    font-weight: 600;
}

.info-feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: rgba(102, 126, 234, 0.05);
    border-radius: 8px;
    border-left: 3px solid #667eea;
}

.info-feature i {
    color: #667eea;
    font-size: 1.2rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.info-feature div {
    flex: 1;
}

.info-feature h4 {
    color: #2c3e50;
    margin-bottom: 0.3rem;
    font-size: 1.1rem;
}

.info-feature p {
    margin-bottom: 0;
    color: #666;
    font-size: 0.95rem;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

footer p {
    opacity: 0.8;
    font-size: 0.95rem;
}

/* Estados de carga y error */
.loading {
    text-align: center;
    padding: 3rem;
    color: #495057;
    font-size: 1.1rem;
}

.loading::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { color: rgba(0,0,0,0); text-shadow: .25em 0 0 rgba(0,0,0,0), .5em 0 0 rgba(0,0,0,0); }
    40% { color: #6c757d; text-shadow: .25em 0 0 rgba(0,0,0,0), .5em 0 0 rgba(0,0,0,0); }
    60% { text-shadow: .25em 0 0 #6c757d, .5em 0 0 rgba(0,0,0,0); }
    80%, 100% { text-shadow: .25em 0 0 #6c757d, .5em 0 0 #6c757d; }
}

.error {
    background: #e74c3c;
    color: white;
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    margin: 1rem 0;
    border-left: 5px solid #c0392b;
}

.error::before {
    content: '⚠️ ';
    margin-right: 0.5rem;
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.selector-section, .draw-card, .info-card {
    animation: fadeIn 0.6s ease-out;
}

.number {
    animation: fadeIn 0.8s ease-out;
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd8, #6a4190);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    header h1 {
        font-size: 2rem;
        flex-direction: column;
        gap: 0.5rem;
    }

    .selector-section {
        padding: 1.5rem;
    }

    .selector-content {
        flex-direction: column;
        gap: 1.5rem;
    }

    .selector-group {
        flex-direction: column;
        align-items: stretch;
        gap: 0.8rem;
    }

    .draw-selector {
        min-width: auto;
    }

    .current-draw-info {
        flex-direction: row;
        justify-content: center;
        gap: 1rem;
    }

    .section-header {
        flex-direction: column;
        align-items: stretch;
    }

    .draw-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .info-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .numbers-container {
        gap: 0.6rem;
    }

    .number {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    section {
        padding: 1.5rem;
        margin: 1rem 0;
    }

    .info-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 1.5rem 0;
    }

    header h1 {
        font-size: 1.8rem;
    }

    .selector-header h2 {
        font-size: 1.5rem;
    }

    .draw-badge {
        font-size: 1.1rem;
        padding: 0.6rem 1.5rem;
    }

    .draw-date-large {
        font-size: 1rem;
        padding: 0.4rem 1.2rem;
    }

    .number {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }

    .info-feature {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
}

/* Modo oscuro opcional */
@media (prefers-color-scheme: dark) {
    body {
        background: linear-gradient(135deg, #2c3e50, #34495e);
        color: #ecf0f1;
    }

    .selector-section,
    .draw-card,
    .info-card {
        background: #34495e;
        color: #ecf0f1;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    }

    .draw-date-large {
        background: #2c3e50;
        border-color: #4a6278;
        color: #ecf0f1;
    }

    .info-content {
        color: #bdc3c7;
    }

    .info-card h3 {
        color: #ecf0f1;
        border-bottom-color: #4a6278;
    }

    .info-feature {
        background: rgba(102, 126, 234, 0.1);
        border-left-color: #667eea;
    }
}

/* Utilidades */
.text-center {
    text-align: center;
}

.hidden {
    display: none;
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

/* Mensaje cuando no hay datos */
.no-data {
    text-align: center;
    padding: 3rem;
    color: #6c757d;
    font-style: italic;
}

.no-data i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* FAQ Section (oculta pero presente para SEO) */
.faq-section {
    display: none !important; /* Oculto visualmente pero presente en HTML */
}

.faq-grid {
    display: grid;
    gap: 1.5rem;
}

.faq-item {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid #667eea;
}

.faq-item h3 {
    color: #2c3e50;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

.faq-item p {
    color: #555;
    line-height: 1.6;
}

/* Footer mejorado */
.footer-links {
    margin: 0 1rem;
}

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ecf0f1;
}

.footer-disclaimer {
    margin-top: 1rem;
    font-size: 0.9rem;
    opacity: 0.7;
}

.footer-disclaimer a {
    color: #bdc3c7;
    text-decoration: underline;
}

/* Mejoras de accesibilidad */
[role="banner"],
[role="main"],
[role="contentinfo"] {
    outline: none;
}

/* Focus styles para accesibilidad */
a:focus,
button:focus,
select:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Mejoras de rendimiento */
.numbers-container {
    content-visibility: auto;
}

/* Print styles */
@media print {
    .selector-section,
    .info-section {
        break-inside: avoid;
    }

    .number {
        background: #000 !important;
        color: #fff !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}

/* Mejoras de semantic HTML */
main {
    display: block; /* Para IE */
}

/* Optimizaciones de contenido above-the-fold */
.selector-section {
    contain: layout style paint;
}