/* ========================================
   VARIABLES DE COLOR
======================================== */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6610f2;
    --success-color: #20c997;
    --dark-bg: #181d38;
    --light-bg: #ffffff;
    --text-color: #6c757d;

    /* Colores personalizados */
    --green-dark: #1B4332;
    --green-main: #2E8B57;
    --green-light: #3BAF72;
    --yellow-main: #FFD54F;
    --yellow-strong: #FFD700;
}

/* ========================================
   TOPBAR & HEADER
======================================== */
#topbar {
    background-color: var(--green-main);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
    padding: 6px 0;
    display: flex;
    align-items: center;
    transition: top 0.3s ease; /* animación al ocultar */
}

#mainHeader {
    position: fixed;
    top: 40px; /* debajo del topbar */
    left: 0;
    width: 100%;
    z-index: 9998;
    background-color: var(--green-dark);
    transition: top 0.3s ease;
}

/* Evitar que el contenido suba detrás del header fijo */
body {
    padding-top: 110px; /* topbar + header */
}

/* ========================================
   NAVBAR / DROPDOWNS
======================================== */
.navbar-nav .nav-link {
    transition: color 0.2s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--yellow-main) !important;
}

/* Dropdown base */
.navbar .dropdown-menu {
    background: linear-gradient(145deg, var(--green-main), var(--green-light));
    border-radius: 12px;
    border: none;
    padding: 8px 0;
    position: absolute !important;
    top: 100%;
    left: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.25s ease;
    z-index: 10000; /* para que siempre esté encima */
    box-shadow: 0 6px 12px rgba(0,0,0,0.25);
}

.navbar .dropdown-menu.show {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0);
}

/* Items */
.dropdown-item {
    color: #fff !important;
    padding: 10px 18px;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background-color: var(--yellow-main) !important;
    color: var(--green-dark) !important;
    transform: translateX(4px);
}

/* ========================================
   RESPONSIVE
======================================== */
/* Estilos para pantallas móviles (hasta 992px se considera tablet/móvil) */
@media (max-width: 992px) {

    /* Topbar */
    #topbar {
        padding: 4px 0;
        font-size: 0.85rem;
        background-color: var(--green-main); /* asegurar color */
        width: 100%;
        z-index: 9999;
    }

    /* Header */
    #mainHeader {
        top: 40px; /* debajo de la topbar */
        height: 65px;
        background-color: var(--green-dark); /* asegurar color */
        width: 100%;
        z-index: 9998;
    }

    /* Evitar que el contenido quede detrás */
    body {
        padding-top: 110px; /* topbar + header */
    }

    /* Branding */
    .navbar-brand img {
        height: 48px !important;
    }

    .navbar-brand span {
        font-size: 0.9rem !important;
    }

    /* Dropdown móvil */
    .navbar .dropdown-menu {
        position: static !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        border-radius: 0;
        box-shadow: none;
        background-color: var(--green-main); /* asegurar color */
        z-index: 10000; /* siempre por encima del contenido */
    }

    /* Collapse (menú desplegable) */
    .navbar-collapse {
        background-color: var(--green-dark) !important;
    }

    /* Links dentro del collapse */
    .navbar-collapse .nav-link {
        color: #fff !important;
        padding: 0.5rem 0;
    }

    .navbar-collapse .nav-link:hover {
        color: var(--yellow-main) !important;
    }

    /* Dropdown-items dentro del collapse */
    .navbar-collapse .dropdown-menu .dropdown-item {
        color: #fff !important;
    }

    .navbar-collapse .dropdown-menu .dropdown-item:hover {
        background-color: var(--yellow-main) !important;
        color: var(--green-dark) !important;
    }
}