:root {
    --primary: #ff6b6b;
    --primary-dark: #ee5253;
    --secondary: #48dbfb;
    --dark: #222f3e;
    --light: #f1f2f6;
    --white: #ffffff;
    --gray: #888888;
    --gray-light: #f8f9fa;
    --border-color: #e2e8f0;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
body { background-color: #fafbfc; color: var(--dark); display: flex; flex-direction: column; min-height: 100vh; }
.container { width: 90%; max-width: 1200px; margin: 0 auto; }

/* Header & Navbar */
.site-header { background: var(--white); box-shadow: 0 2px 10px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 1000; }
.navbar { display: flex; justify-content: space-between; align-items: center; padding: 1rem 0; flex-wrap: wrap; gap: 1rem; }
.logo a { display: flex; align-items: center; text-decoration: none; font-size: 1.8rem; font-weight: bold; color: var(--primary); }
.logo img { height: 40px; margin-right: 10px; }
.nav-links { display: flex; gap: 1.2rem; align-items: center; flex-wrap: wrap; }
.nav-links a { text-decoration: none; color: var(--dark); font-weight: 600; font-size: 0.95rem; transition: color 0.3s; }
.nav-links a:hover { color: var(--primary); }
.btn-admin { background: var(--dark); color: var(--white) !important; padding: 0.5rem 1rem; border-radius: 4px; }

/* Botón Hamburguesa para Móviles */
.menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--dark); cursor: pointer; }

/* Main Content */
.main-content { flex: 1; padding: 2.5rem 0; }

/* Hero */
.hero { background: linear-gradient(rgba(0,0,0,0.45), rgba(0,0,0,0.45)), var(--dark); color: var(--white); text-align: center; padding: 5rem 1rem; border-radius: 8px; margin-bottom: 2.5rem; }
.hero h1 { font-size: 3rem; margin-bottom: 1rem; }
.hero p { font-size: 1.2rem; margin-bottom: 2rem; max-width: 700px; margin-left: auto; margin-right: auto; }

/* Botones */
.btn-primary { background: var(--primary); color: var(--white); padding: 0.75rem 1.5rem; border-radius: 5px; text-decoration: none; font-weight: bold; display: inline-block; transition: background 0.3s; border: none; cursor: pointer; text-align: center; }
.btn-primary:hover { background: var(--primary-dark); }

/* Cards Grid */
.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 2rem; }
.card { background: var(--white); border-radius: 8px; overflow: hidden; box-shadow: 0 4px 15px rgba(0,0,0,0.05); transition: transform 0.3s; border: 1px solid var(--border-color); display: flex; flex-direction: column; }
.card:hover { transform: translateY(-5px); }
.card img { width: 100%; height: 220px; object-fit: cover; }
.card-body { padding: 1.5rem; display: flex; flex-direction: column; flex-grow: 1; }
.card-body h3 { margin-bottom: 0.5rem; color: var(--dark); }

/* Badges */
.badge { display: inline-block; padding: 0.25rem 0.5rem; border-radius: 4px; font-size: 0.8rem; font-weight: bold; margin-bottom: 0.5rem; }
.badge-disponible, .badge-activado, .badge-activo { background: #e1f5fe; color: #0288d1; }
.badge-urgente { background: #ffebee; color: #c62828; }
.badge-adoptado, .badge-reservado { background: #e8f5e9; color: #2e7d32; }

/* Formularios y Tablas Admin */
.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; margin-bottom: 0.4rem; font-weight: 600; font-size: 0.9rem; }
.form-control { width: 100%; padding: 0.7rem; border: 1px solid #cbd5e1; border-radius: 4px; font-size: 1rem; }
.admin-card { background: var(--white); padding: 2rem; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); margin-bottom: 2rem; border: 1px solid var(--border-color); overflow-x: auto; }

/* Tablas Responsivas con Scroll Horizontal */
.table-responsive { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table { width: 100%; border-collapse: collapse; margin-top: 1rem; background: var(--white); min-width: 600px; }
.table th, .table td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--border-color); font-size: 0.95rem; }
.table th { background: var(--gray-light); font-weight: 600; }

/* Grillas de Formularios Adaptables */
.form-grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.form-grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }

/* Slider Afiliados */
.afiliados-slider-section { margin: 3rem 0; background: var(--white); padding: 2rem 0; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.afiliados-container { display: flex; gap: 2rem; overflow-x: auto; padding: 1rem 0; align-items: center; scroll-behavior: smooth; }
.afiliado-card { min-width: 220px; background: var(--gray-light); padding: 1rem; border-radius: 6px; text-align: center; border: 1px solid var(--border-color); }
.afiliado-card img { width: 80px; height: 80px; object-fit: contain; margin-bottom: 0.5rem; border-radius: 50%; background: #fff; padding: 5px; }

/* Footer */
.site-footer { background: var(--dark); color: var(--white); padding: 3rem 0 1rem 0; margin-top: auto; }
.footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; margin-bottom: 2rem; }
.footer-col h3 { margin-bottom: 1rem; color: var(--primary); }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul li a { color: #dcdde1; text-decoration: none; }
.footer-bottom { text-align: center; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1rem; color: #718093; font-size: 0.9rem; }

/* --- MEDIA QUERIES PARA RESPONSIVIDAD --- */
@media (max-width: 768px) {
    .hero { padding: 3rem 1rem; }
    .hero h1 { font-size: 2.2rem; }
    .hero p { font-size: 1rem; }
    
    /* Menú movil */
    .menu-toggle { display: block; }
    .nav-links { display: none; width: 100%; flex-direction: column; gap: 0.8rem; padding-top: 1rem; border-top: 1px solid var(--border-color); }
    .nav-links.active { display: flex; }
    
    /* Layouts en paneles de administración y detalle */
    .admin-card { padding: 1rem; }
    
    /* Forzar apilado en grillas de detalle de animal y formularios complejos */
    .detalle-grid, .admin-grid-2 { grid-template-columns: 1fr !important; }
}

@media (max-width: 480px) {
    .container { width: 95%; }
    .hero h1 { font-size: 1.8rem; }
}


/* --- Estilos para la vista de detalle de animal --- */
.detalle-grid {
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 2rem; 
    align-items: start;
}

.galeria-container {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.img-principal-detalle {
    width: 100%; 
    height: 350px; 
    object-fit: cover; 
    border-radius: 6px; 
    margin-bottom: 1rem; 
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.minaturas-scroll {
    display: flex; 
    gap: 8px; 
    overflow-x: auto; 
    padding-bottom: 8px; 
    max-width: 100%;
    scrollbar-width: thin;
}

.minaturas-scroll img {
    width: 65px; 
    height: 65px; 
    object-fit: cover; 
    border-radius: 4px; 
    border: 2px solid var(--border-color); 
    cursor: pointer; 
    transition: transform 0.2s, border-color 0.2s; 
    flex-shrink: 0;
}

.minaturas-scroll img:hover {
    transform: scale(1.05);
    border-color: var(--primary);
}

@media (max-width: 768px) {
    .container { 
        padding-left: 10px; 
        padding-right: 10px; 
    }
    .admin-card { 
        padding: 1rem !important; 
    }
    .detalle-grid {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }
    h1 { 
        font-size: 1.5rem; 
    }
    .minaturas-scroll img {
        width: 55px; 
        height: 55px; 
    }
}

/* --- Estilos para el menú responsive y botón hamburguesa --- */
@media (max-width: 768px) {
    .nav-toggle {
        display: block !important;
        background: none;
        border: none;
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--dark, #333);
    }
    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 10px;
        padding: 1rem 0;
    }
    .nav-links.active {
        display: flex !important;
    }
    .site-header .container.navbar {
        flex-wrap: wrap;
    }
}

@media (min-width: 769px) {
    .nav-toggle {
        display: none !important;
    }
}


/* Por defecto en PC / pantallas grandes: ocultamos el botón hamburguesa */
.nav-toggle {
    display: none;
}


/* Forzar la aparición del botón hamburguesa y el comportamiento móvil en pantallas pequeñas */
@media (max-width: 768px) {
    .nav-toggle {
        display: block !important;
    }
    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 10px;
        padding: 1rem 0;
    }
    .nav-links.active {
        display: flex !important;
    }
    .site-header .container.navbar {
        flex-wrap: wrap;
    }
}