/* ===== RESET Y VARIABLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primario: #00a1ab;
    --color-primario-oscuro: #00838f;
    --color-secundario: #ff6b35;
    --color-exito: #28a745;
    --color-error: #dc3545;
    --color-info: #17a2b8;
    --color-fondo: #f5f7fa;
    --color-texto: #333;
    --color-texto-claro: #666;
    --color-borde: #ddd;
    --sombra: 0 2px 5px rgba(0,0,0,0.1);
    --borde-radio: 8px;
    --fuente-principal: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

body {
    font-family: var(--fuente-principal);
    background: var(--color-fondo);
    color: var(--color-texto);
    line-height: 1.6;
}

/* ===== LAYOUT ===== */
.contenedor {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* ===== HEADER ===== */
header {
    background: white;
    box-shadow: var(--sombra);
    padding: 15px 0;
    margin-bottom: 30px;
}

.header-contenido {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 24px;
    font-weight: bold;
    color: var(--color-primario);
    text-decoration: none;
}

.nav-menu a {
    margin-left: 20px;
    color: var(--color-texto);
    text-decoration: none;
    padding: 5px 10px;
    border-radius: 5px;
    transition: background 0.3s;
}

.nav-menu a:hover {
    background: var(--color-fondo);
    color: var(--color-primario);
}

/* ===== BOTONES ===== */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    text-decoration: none;
    transition: background 0.3s, transform 0.1s;
}

.btn:active {
    transform: scale(0.98);
}

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

.btn-primario:hover {
    background: var(--color-primario-oscuro);
}

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

.btn-secundario:hover {
    background: #e55a2b;
}

.btn-block {
    display: block;
    width: 100%;
}

/* ===== FORMULARIOS ===== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--color-borde);
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primario);
    box-shadow: 0 0 0 2px rgba(0, 161, 171, 0.1);
}

/* ===== TARJETAS DE EVENTOS ===== */
.eventos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.evento-card {
    background: white;
    border-radius: var(--borde-radio);
    overflow: hidden;
    box-shadow: var(--sombra);
    transition: transform 0.3s, box-shadow 0.3s;
}

.evento-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.evento-imagen {
    height: 180px;
    overflow: hidden;
}

.evento-imagen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.evento-card:hover .evento-imagen img {
    transform: scale(1.05);
}

.evento-info {
    padding: 15px;
}

.evento-titulo {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--color-texto);
}

.evento-detalle {
    color: var(--color-texto-claro);
    font-size: 14px;
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.evento-precio {
    font-size: 20px;
    font-weight: bold;
    color: var(--color-primario);
    margin: 10px 0;
}

/* ===== SLIDER ===== */
.slider {
    position: relative;
    height: 400px;
    overflow: hidden;
    border-radius: var(--borde-radio);
    margin-bottom: 40px;
}

.slider-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.slider-slide.activo {
    opacity: 1;
}

.slider-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slider-contenido {
    position: absolute;
    bottom: 50px;
    left: 50px;
    color: white;
    background: rgba(0,0,0,0.5);
    padding: 20px;
    border-radius: var(--borde-radio);
    max-width: 500px;
}

/* ===== ALERTAS ===== */
.alerta {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
    color: white;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.alerta-exito {
    background: var(--color-exito);
}

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

.alerta-info {
    background: var(--color-info);
}

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

.dashboard-card {
    background: white;
    padding: 20px;
    border-radius: var(--borde-radio);
    box-shadow: var(--sombra);
    border-left: 4px solid var(--color-primario);
}

.dashboard-card h3 {
    margin-bottom: 10px;
    color: var(--color-texto-claro);
    font-size: 14px;
    text-transform: uppercase;
}

.dashboard-card .numero {
    font-size: 28px;
    font-weight: bold;
    color: var(--color-primario);
}

/* ===== BUSCADOR ===== */
.buscador {
    background: white;
    padding: 30px;
    border-radius: var(--borde-radio);
    box-shadow: var(--sombra);
    margin-bottom: 30px;
}

.buscador-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .header-contenido {
        flex-direction: column;
        text-align: center;
    }
    
    .nav-menu {
        margin-top: 15px;
    }
    
    .nav-menu a {
        margin: 0 10px;
    }
    
    .slider {
        height: 300px;
    }
    
    .slider-contenido {
        left: 20px;
        right: 20px;
        bottom: 20px;
        max-width: none;
    }
    
    .eventos-grid {
        grid-template-columns: 1fr;
    }
}