/* Variables CSS - Tema Oscuro Íntimos Conference */
:root {
    /* Colores principales del evento */
    --primary-dark: #0a0a0a;
    --secondary-dark: #1a1a2e;
    --accent-red: #e94560;
    --accent-gold: #f4b942;
    --accent-purple: #9b59b6;
    
    /* Gradientes del evento */
    --gradient-primary: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    --gradient-accent: linear-gradient(135deg, #e94560 0%, #f4b942 100%);
    --gradient-card: linear-gradient(145deg, rgba(26, 26, 46, 0.9) 0%, rgba(22, 33, 62, 0.9) 100%);
    
    /* Colores de texto */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-muted: rgba(255, 255, 255, 0.6);
    
    /* Colores de estado */
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --error-color: #e74c3c;
    
    /* Efectos */
    --border-radius: 12px;
    --box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    --box-shadow-hover: 0 20px 60px rgba(233, 69, 96, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Tipografía */
    --font-primary: 'Inter', 'Segoe UI', system-ui, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
}

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

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    background: var(--primary-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Fondo animado con efectos visuales */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    z-index: -2;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(233, 69, 96, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(244, 185, 66, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(155, 89, 182, 0.1) 0%, transparent 50%);
    z-index: -1;
    animation: particleFloat 20s ease-in-out infinite;
}

@keyframes particleFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(10px) rotate(240deg); }
}

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

.main-container {
    max-width: 900px;
    margin: 20px auto;
    background: rgba(26, 26, 46, 0.95);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    position: relative;
}

.main-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    z-index: 1;
}

.event-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
    padding: 0;
}

.flyer-container {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow-light);
    transition: var(--transition);
}

.flyer-container:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.flyer-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.flyer-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    padding: 20px;
    text-align: center;
}

.flyer-overlay h3 {
    margin: 0 0 5px 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.flyer-overlay p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

.header {
    background: var(--gradient-card);
    color: var(--text-primary);
    padding: 60px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="0.8" fill="white" opacity="0.1"/><circle cx="80" cy="80" r="0.8" fill="white" opacity="0.1"/><circle cx="40" cy="60" r="0.8" fill="white" opacity="0.1"/><circle cx="70" cy="30" r="0.8" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.header h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: var(--font-weight-bold);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 2;
    text-shadow: 0 0 30px rgba(233, 69, 96, 0.3);
}

.header .event-details {
    font-size: 1.3rem;
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    position: relative;
    z-index: 2;
    opacity: 0.9;
}

.content {
    padding: 50px 40px;
    background: transparent;
    position: relative;
}

.purchase-section {
    background: var(--gradient-card);
    border-radius: var(--border-radius);
    padding: 50px;
    backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--box-shadow);
    position: relative;
    overflow: hidden;
}

.purchase-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.05) 0%, rgba(244, 185, 66, 0.05) 100%);
    z-index: 0;
    pointer-events: none;
}

.purchase-section > * {
    position: relative;
    z-index: 1;
}

/* Hero Visual Section - Imagen única */
.event-hero-single {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 50px;
    padding: 40px 0;
}

.hero-image-container {
    max-width: 600px;
    width: 100%;
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.hero-image-container:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-hover);
    border-color: rgba(233, 69, 96, 0.3);
}

.hero-main-image {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.hero-image-container:hover .hero-main-image {
    transform: scale(1.02);
}

/* Efecto de brillo en la imagen */
.hero-image-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition);
    z-index: 1;
}

.hero-image-container:hover::before {
    left: 100%;
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.form-group label::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--gradient-accent);
    border-radius: 1px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 18px 24px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    font-size: 16px;
    color: var(--text-primary);
    transition: var(--transition);
    backdrop-filter: blur(10px);
    font-family: var(--font-primary);
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--accent-red);
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    box-shadow: 0 0 30px rgba(233, 69, 96, 0.3);
    transform: translateY(-2px);
}

.form-group input::placeholder {
    color: var(--text-muted);
    font-style: italic;
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: 20px;
    justify-content: center;
    padding: 30px;
    background: var(--gradient-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    margin: 25px 0;
}

.quantity-btn {
    background: var(--gradient-accent);
    color: var(--text-primary);
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(233, 69, 96, 0.4);
    position: relative;
    overflow: hidden;
}

.quantity-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: var(--transition);
}

.quantity-btn:hover::before {
    left: 100%;
}

.quantity-btn:hover {
    transform: scale(1.15);
    box-shadow: 0 12px 35px rgba(233, 69, 96, 0.6);
}

.quantity-btn:disabled {
    background: rgba(255, 255, 255, 0.1);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    opacity: 0.5;
}

.quantity-display {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--accent-red);
    min-width: 80px;
    text-align: center;
    padding: 15px 25px;
    background: rgba(233, 69, 96, 0.1);
    border-radius: var(--border-radius);
    border: 2px solid rgba(233, 69, 96, 0.3);
    backdrop-filter: blur(10px);
}

.price-summary {
    background: var(--gradient-card);
    padding: 40px;
    border-radius: var(--border-radius);
    margin: 30px 0;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.price-summary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(244, 185, 66, 0.05) 0%, rgba(233, 69, 96, 0.05) 100%);
    z-index: 0;
}

.price-summary > * {
    position: relative;
    z-index: 1;
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 18px;
    font-weight: var(--font-weight-medium);
}

.price-row.total {
    font-weight: var(--font-weight-bold);
    font-size: 1.5rem;
    border-top: 2px solid var(--accent-red);
    padding-top: 20px;
    margin-top: 25px;
    color: var(--accent-gold);
    text-shadow: 0 0 10px rgba(244, 185, 66, 0.3);
}

.btn {
    display: inline-block;
    padding: 20px 40px;
    background: var(--gradient-accent);
    color: var(--text-primary);
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    font-size: 18px;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    width: 100%;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 10px 30px rgba(233, 69, 96, 0.4);
    font-family: var(--font-primary);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: var(--transition);
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-hover);
    background: linear-gradient(135deg, #f4b942 0%, #e94560 100%);
}

.btn:active {
    transform: translateY(-1px);
}

.btn:disabled {
    background: #bdc3c7;
    cursor: not-allowed;
    transform: none;
}

.btn-success {
    background: var(--success-color);
}

.btn-success:hover {
    background: #229954;
}

.btn-warning {
    background: var(--warning-color);
}

.btn-warning:hover {
    background: #e67e22;
}

.btn-danger {
    background: var(--error-color);
}

.btn-danger:hover {
    background: #c0392b;
}

.alert {
    padding: 30px 35px;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    border-left: 4px solid;
    backdrop-filter: blur(15px);
    font-weight: var(--font-weight-medium);
    font-size: 16px;
    position: relative;
    overflow: hidden;
}

.alert::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
    z-index: 0;
}

.alert > * {
    position: relative;
    z-index: 1;
}

.alert-success {
    background: rgba(46, 204, 113, 0.15);
    color: #2ecc71;
    border-color: #2ecc71;
}

.alert-success::before {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
}

.alert-error {
    background: rgba(231, 76, 60, 0.15);
    color: #e74c3c;
    border-color: #e74c3c;
}

.alert-error::before {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.alert-warning {
    background: rgba(244, 185, 66, 0.15);
    color: var(--accent-gold);
    border-color: var(--accent-gold);
}

.alert-warning::before {
    background: linear-gradient(135deg, #f4b942, #f39c12);
}

.alert-info {
    background: rgba(233, 69, 96, 0.15);
    color: var(--accent-red);
    border-color: var(--accent-red);
}

.alert-info::before {
    background: linear-gradient(135deg, #e94560, #c73650);
}

.warning-box {
    background: rgba(255, 215, 0, 0.1);
    border: 2px solid var(--gold-color);
    padding: 25px;
    border-radius: var(--border-radius);
    margin: 20px 0;
    backdrop-filter: blur(10px);
}

.warning-box strong {
    color: var(--gold-color);
}

.support-info {
    background: var(--light-color);
    padding: 20px;
    border-radius: var(--border-radius);
    text-align: center;
    margin-top: 30px;
}

.whatsapp-link {
    display: inline-block;
    background: #25d366;
    color: var(--white);
    padding: 15px 25px;
    text-decoration: none;
    border-radius: var(--border-radius);
    margin-top: 15px;
    transition: var(--transition);
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.whatsapp-link:hover {
    background: #128c7e;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.loading {
    display: none;
    text-align: center;
    padding: 30px;
}

.spinner {
    display: inline-block;
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.tickets-available {
    text-align: center;
    margin-bottom: 25px;
    font-size: 1.2rem;
    color: var(--text-color);
}

.tickets-available .number {
    font-weight: 700;
    color: var(--accent-color);
    font-size: 1.5rem;
}

.footer {
    background: var(--gradient-card);
    color: var(--text-primary);
    padding: 40px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="footerGrain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="30" cy="30" r="0.5" fill="white" opacity="0.05"/><circle cx="70" cy="70" r="0.5" fill="white" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23footerGrain)"/></svg>');
    opacity: 0.3;
}

.footer p {
    text-align: center;
    font-size: 14px;
    position: relative;
    z-index: 1;
    opacity: 0.8;
    margin: 0;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-container {
        margin: 10px;
        margin-top: 20px;
        max-width: 95%;
    }
    
    .content {
        padding: 30px 20px;
    }
    
    .purchase-section {
        padding: 30px 25px;
    }
    
    .header {
        padding: 40px 20px;
    }
    
    .header h1 {
        font-size: 2.2rem;
    }
    
    .header .event-details {
        font-size: 1.1rem;
    }
    
    /* Hero responsive */
    .event-hero-single {
        padding: 30px 0;
        margin-bottom: 40px;
    }
    
    .hero-image-container {
        max-width: 90%;
        margin: 0 auto;
    }
    
    .quantity-selector {
        padding: 20px 15px;
        gap: 15px;
    }
    
    .quantity-btn {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .btn {
        padding: 16px 28px;
        font-size: 16px;
    }
    
    .form-group input,
    .form-group select {
        padding: 16px 20px;
    }
}

@media (max-width: 480px) {
    .main-container {
        margin: 5px;
        margin-top: 15px;
        max-width: 98%;
    }
    
    .header {
        padding: 30px 15px;
    }
    
    .content {
        padding: 20px 15px;
    }
    
    .purchase-section {
        padding: 25px 20px;
    }
    
    .header h1 {
        font-size: 1.8rem;
    }
    
    .header .event-details {
        font-size: 1rem;
    }
    
    .hero-content h2 {
        font-size: 1.6rem;
    }
    
    .event-hero-single {
        padding: 20px 0;
        margin-bottom: 30px;
    }
    
    .hero-image-container {
        max-width: 95%;
    }
    
    .quantity-selector {
        padding: 15px 10px;
        gap: 10px;
    }
    
    .quantity-btn {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
    
    .btn {
        padding: 14px 20px;
        font-size: 15px;
    }
    
    .price-summary {
        padding: 25px 20px;
    }
    
    .form-group {
        margin-bottom: 25px;
    }
}

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

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

.slide-up {
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Estilos para el admin */
.admin-header {
    background: var(--dark-color);
    color: var(--white);
    padding: 15px 0;
}

.admin-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-nav .logo {
    font-size: 1.5rem;
    font-weight: bold;
}

.admin-nav .user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.admin-content {
    padding: 30px 0;
    min-height: calc(100vh - 200px);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--white);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.stat-card .number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.stat-card .label {
    color: #666;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.data-table {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.data-table table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.data-table th {
    background: var(--light-color);
    font-weight: 600;
    color: var(--dark-color);
}


.data-table tr:hover {
    background: #e9ecef;
}


.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    border: 1.5px solid #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    letter-spacing: 0.5px;
    transition: background 0.2s, color 0.2s;
}


.status-completed {
    background: var(--success-color, #2ecc71);
    color: #fff;
    border-color: #27ae60;
}


.status-pending {
    background: var(--warning-color, #f39c12);
    color: #fff;
    border-color: #e67e22;
}


.status-failed {
    background: var(--error-color, #e74c3c);
    color: #fff;
    border-color: #c0392b;
}

.status-cancelled {
    background: #b2bec3;
    color: #fff;
    border-color: #636e72;
}