:root {
    --dark: #2B2D42;         
    --accent: #FF6B35;       /* Anaranjado vivo */
    --success: #8AC926;      /* Verde Limón */
    --warning: #FFD166;      /* Amarillo */
    --purple: #8338EC;       /* Morado */
    --bg: #E8F7FF;           /* Celeste suave */
}

/* Fondo de la página */
body {
    background-image: url('/petcad/assets/img/fondo-perros.jpg') !important;
    background-position: center center !important;
    background-repeat: no-repeat !important;
    background-size: cover !important;
    background-attachment: fixed !important;
    min-height: 100vh;
}

/* Encabezado / Navbar superior */
nav, .navbar, header, [class*="bg-dark"] {
    background: linear-gradient(135deg, var(--purple) 0%, #6C5CE7 100%) !important;
    box-shadow: 0 4px 12px rgba(131, 56, 236, 0.2) !important;
}

/* Enlaces del menú superior */
nav a.nav-link, .navbar-dark .navbar-nav .nav-link, nav a, .navbar a {
    color: #FFFFFF !important;
    font-weight: 600 !important;
    transition: all 0.3s ease-in-out !important;
    padding: 8px 12px !important;
    border-radius: 8px !important;
}

/* Cambio a Anaranjado Vivo al pasar el mouse */
nav a.nav-link:hover, .navbar-dark .navbar-nav .nav-link:hover {
    color: var(--accent) !important; /* Anaranjado vivo (#FF6B35) */
    background-color: rgba(255, 255, 255, 0.15) !important;
    transform: translateY(-2px) !important;
}

/* Tarjetas contenedoras con ligera transparencia sobre el fondo */
.card, .card-custom, .hero-card {
    border-radius: 20px !important;
    border: 3px solid var(--warning) !important;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1) !important;
    background-color: rgba(255, 255, 255, 0.92) !important;
    backdrop-filter: blur(4px);
}

/* RESALTE UNIVERSAL PARA TÍTULOS Y ENCABEZADOS SOBRE LA IMAGEN */
h1, h2, h3, h4, h5, h6, 
.hero-title, .titulo-seccion, [class*="display"], 
.section-title, main h2, div > h2, div > h4 {
    color: #FFFFFF !important;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.9), 0 0 10px rgba(0, 0, 0, 0.7) !important;
    font-weight: 800 !important;
    background: rgba(43, 45, 66, 0.65) !important; /* Recuadro oscuro para legibilidad */
    padding: 10px 20px !important;
    border-radius: 12px !important;
    display: inline-block !important;
    backdrop-filter: blur(6px) !important;
    border-left: 5px solid var(--accent) !important; /* Detalle anaranjado a la izquierda */
    margin-bottom: 20px !important;
}

/* Excepción: Títulos que están DENTRO de las tarjetas blancas se mantienen oscuros */
.card h1, .card h2, .card h3, .card h4, .card h5, .card h6,
.card-custom h1, .card-custom h2, .card-custom h3, .card-custom h4, .card-custom h5, .card-custom h6 {
    color: var(--dark) !important;
    text-shadow: none !important;
    background: transparent !important;
    border-left: none !important;
    padding: 0 !important;
    backdrop-filter: none !important;
}

/* Botón principal (Iniciar Sesión / Ingresar) */
.btn-primary, .btn-primary-custom, button[type="submit"], a.btn-primary {
    background-color: var(--accent) !important;
    border-color: var(--accent) !important;
    color: #FFFFFF !important;
    border-radius: 25px !important;
    font-weight: 700 !important;
    padding: 10px 24px !important;
    box-shadow: 0 4px 0px #D94E1B !important;
    transition: all 0.2s ease !important;
}

.btn-primary:hover, .btn-primary-custom:hover {
    background-color: #FF5414 !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 0px #D94E1B !important;
}

/* Botón secundario (Registrarme) */
.btn-outline-primary, .btn-secondary, a.btn-outline-primary {
    background-color: var(--success) !important;
    border-color: var(--success) !important;
    color: #FFFFFF !important;
    border-radius: 25px !important;
    font-weight: 700 !important;
    padding: 10px 24px !important;
    box-shadow: 0 4px 0px #6A9E1D !important;
}

.btn-outline-primary:hover, .btn-secondary:hover {
    background-color: #79B320 !important;
    color: #FFFFFF !important;
    transform: translateY(-2px) !important;
}

/* Badges / Etiquetas */
.badge-vacuna, .badge {
    background-color: var(--purple) !important;
    color: #FFFFFF !important;
    border-radius: 12px !important;
}




/* ESTRUCTURA DEL DASHBOARD CON SIDEBAR */
.admin-layout {
    display: flex;
    min-height: calc(100vh - 56px);
    margin-top: -1.5rem; /* Ajuste por el margen predeterminado */
}

/* Sidebar lateral fijo */
.admin-sidebar {
    width: 260px;
    background: rgba(43, 45, 66, 0.95) !important;
    backdrop-filter: blur(8px);
    min-height: 100vh;
    padding: 20px 0;
    box-shadow: 4px 0 10px rgba(0,0,0,0.2);
}

.admin-sidebar .nav-link {
    color: #FFFFFF !important;
    padding: 12px 20px !important;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    border-radius: 0 !important;
    transition: all 0.3s ease;
}

.admin-sidebar .nav-link:hover, 
.admin-sidebar .nav-link.active {
    background-color: var(--purple) !important;
    color: var(--warning) !important;
    border-left: 5px solid var(--accent) !important;
}

/* Área de contenido principal */
.admin-content {
    flex: 1;
    padding: 25px;
}