/**
 * Navbar - Sistema de Enlaces
 * Versión: 1.0
 * Estilos para el navbar principal con dropdowns overlay
 */

/* ============================================
   NAVBAR PRINCIPAL - COLOR SÓLIDO
   ============================================ */
.app-header {
    background: var(--navbar-bg); /* Color sólido definido en themes.css */
    color: var(--navbar-text);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1040;
    height: 70px;
}

.app-header .container-fluid {
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0 1rem;
}

/* ============================================
   BOTÓN TOGGLE SIDEBAR
   ============================================ */
.sidebar-toggle {
    background: none;
    border: none;
    color: var(--navbar-text);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
}

.sidebar-toggle:hover {
    background-color: var(--navbar-hover-bg);
    transform: scale(1.05);
}

/* ============================================
   LOGO DEL SISTEMA
   ============================================ */
.navbar-brand {
    color: var(--navbar-text) !important;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.navbar-brand:hover {
    color: var(--icon-highlight) !important;
    transform: scale(1.02);
}

.navbar-brand i {
    font-size: 1.5rem;
    color: var(--icon-highlight);
}

/* ============================================
   CONTROLES DEL NAVBAR
   ============================================ */
.navbar-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
}

.navbar-controls .nav-item {
    position: relative;
}

.navbar-controls .nav-link {
    color: var(--navbar-text) !important;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.navbar-controls .nav-link:hover {
    background-color: var(--navbar-hover-bg);
    color: var(--icon-highlight) !important;
}

/* ============================================
   DROPDOWNS OVERLAY
   ============================================ */
.navbar-controls .dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    left: auto;
    min-width: 200px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    padding: 0;
    margin-top: 0.5rem;
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    overflow: hidden;
}

/* Mostrar dropdown cuando está activo */
.navbar-controls .dropdown.show .dropdown-menu,
.navbar-controls .dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Items del dropdown */
.dropdown-item {
    padding: 0.875rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.2s ease;
    border: none;
    background: var(--dropdown-bg);
    width: 100%;
    text-align: left;
    margin: 0;
    border-radius: 0;
}

.dropdown-item:hover {
    background-color: var(--dropdown-hover-bg);
    color: var(--text-primary);
}

.dropdown-item:focus {
    background-color: var(--dropdown-hover-bg);
    color: var(--text-primary);
    outline: none;
    box-shadow: none;
}

.dropdown-item.active {
    background-color: var(--color-action-primary);
    color: white;
    border-radius: 0;
}

.dropdown-item i {
    width: 1.5rem;
    text-align: center;
    font-size: 1.2rem;
}

.dropdown-item.text-danger {
    color: var(--color-danger) !important;
}

.dropdown-divider {
    margin: 0.5rem 0;
    border: none;
    border-top: 1px solid var(--border-color);
    background: var(--border-color);
    height: 1px;
    opacity: 0.3;
}

/* ============================================
   SELECTOR DE IDIOMA
   ============================================ */
.navbar-controls .dropdown-toggle::after {
    margin-left: 0.5rem;
    border-top: 0.3em solid;
    border-right: 0.3em solid transparent;
    border-bottom: 0;
    border-left: 0.3em solid transparent;
    transition: transform 0.3s ease;
}

.navbar-controls .dropdown.show .dropdown-toggle::after {
    transform: rotate(180deg);
}

/* Banderas en el navbar - solo para el selector de idioma */
.navbar-controls .nav-item:first-child .dropdown-toggle {
    font-size: 1.8rem;
    line-height: 1;
    padding: 0.5rem 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* El icono de flecha debe mantener su tamaño normal */
.navbar-controls .nav-item:first-child .dropdown-toggle::after {
    font-size: 0.6em; /* Tamaño fijo para la flecha */
    margin-left: 0.5rem;
}

/* Banderas en el dropdown */
.dropdown-item .flag-icon {
    font-size: 1.5rem;
    margin-right: 0.75rem;
    display: inline-block;
}

/* ============================================
   ICONO DE USUARIO
   ============================================ */
.navbar-controls .user-icon {
    margin-right: 0.625rem;
    font-size: 1.4rem;
    transition: transform 0.3s ease;
}

.navbar-controls .nav-link:hover .user-icon {
    transform: scale(1.1);
}

/* ============================================
   TOGGLE DE TEMA
   ============================================ */
.theme-toggle {
    cursor: pointer;
    user-select: none;
}

.theme-toggle:hover i {
    transform: rotate(180deg);
    transition: transform 0.3s ease;
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Desktop pequeño (992px - 1286px) */
@media (max-width: 1286px) and (min-width: 992px) {
    /* Hacer el navbar más compacto */
    .app-header .container-fluid {
        padding: 0 0.85rem;
    }
    
    /* Logo más pequeño */
    .navbar-brand {
        font-size: 1.1rem;
    }
    
    .navbar-brand i {
        font-size: 1.3rem;
    }
    
    /* Controles más compactos */
    .navbar-controls .nav-link {
        padding: 0.4rem 0.65rem;
        font-size: 0.9rem;
    }
    
    /* Dropdown más pequeño */
    .navbar-controls .dropdown-menu {
        min-width: 180px;
    }
    
    .dropdown-item {
        padding: 0.75rem 0.85rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 991px) {
    .navbar-brand span {
        display: none !important;
    }
    
    .navbar-controls .nav-link span {
        display: none !important;
    }
    
    .navbar-controls .dropdown-menu {
        min-width: 180px;
    }
    
    /* Ajustar tamaño de banderas en móvil - solo selector de idioma */
    .navbar-controls .nav-item:first-child .dropdown-toggle {
        font-size: 1.3rem;
        padding: 0.4rem 0.5rem;
    }
    
    /* Ajustar icono de usuario en tablet */
    .navbar-controls .user-icon {
        font-size: 1.2rem;
        margin-right: 0.5rem;
    }
}

@media (max-width: 576px) {
    .app-header .container-fluid {
        padding: 0 0.5rem;
    }
    
    .navbar-controls {
        gap: 0.25rem;
    }
    
    .navbar-controls .nav-link {
        padding: 0.4rem 0.5rem;
    }
    
    .dropdown-menu {
        min-width: 160px;
    }
    
    /* Banderas más pequeñas en móviles pequeños - solo selector de idioma */
    .navbar-controls .nav-item:first-child .dropdown-toggle {
        font-size: 1.2rem;
        padding: 0.3rem 0.4rem;
    }
    
    .dropdown-item .flag-icon {
        font-size: 1.3rem;
        margin-right: 0.5rem;
    }
    
    /* Ajustar icono de usuario en móvil pequeño */
    .navbar-controls .user-icon {
        font-size: 1.1rem;
        margin-right: 0.4rem;
    }
}

/* ============================================
   ANIMACIONES
   ============================================ */
@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.dropdown-menu.show {
    animation: dropdownFadeIn 0.3s ease-out;
}

/* ============================================
   ESTADOS ESPECIALES
   ============================================ */
.navbar-controls .nav-link:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb), 0.3);
}

.dropdown-item:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
}