/* ─── Variables de la empresa ─────────────────────────────────── */
:root {
    --color-navy:   #00124e;
    --color-blue:   #1a3bff;
    --color-white:  #ffffff;
    --color-red:    #cf2e26;
    --color-navy-hover: #001a6e;
    --color-blue-hover: #0026cc;
}

/* ─── Reset general ───────────────────────────────────────────── */
body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: Arial, sans-serif;
    box-sizing: border-box;
    background-color: #f4f6f9;
}

/* ─── Navbar ──────────────────────────────────────────────────── */
#main-navbar {
    background-color: var(--color-navy) !important;
}

.btn-nav {
    color: var(--color-white) !important;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background-color: transparent;
    transition: background-color 0.2s ease;
}

.btn-nav:hover,
.btn-nav:focus,
.btn-nav.show {
    background-color: var(--color-blue) !important;
    border-color: var(--color-blue) !important;
    color: var(--color-white) !important;
}

.btn-danger-nav {
    color: var(--color-white) !important;
    border: 1px solid var(--color-red);
    background-color: transparent;
    transition: background-color 0.2s ease;
}

.btn-danger-nav:hover {
    background-color: var(--color-red) !important;
    color: var(--color-white) !important;
}

/* ─── Dropdown ────────────────────────────────────────────────── */
.dropdown-menu-dark {
    background-color: var(--color-navy) !important;
    border: 1px solid rgba(255,255,255,0.15);
}

.dropdown-menu-dark .dropdown-item {
    color: var(--color-white) !important;
}

.dropdown-menu-dark .dropdown-item:hover {
    background-color: var(--color-blue) !important;
}

/* ─── Botones globales ────────────────────────────────────────── */
.btn-primary {
    background-color: var(--color-blue) !important;
    border-color: var(--color-blue) !important;
    color: var(--color-white) !important;
}

.btn-primary:hover {
    background-color: var(--color-blue-hover) !important;
    border-color: var(--color-blue-hover) !important;
}

/* ─── Headers de sección (cards, paneles) ─────────────────────── */
.section-header {
    background-color: var(--color-navy);
    color: var(--color-white);
    padding: 0.75rem 1rem;
    border-radius: 4px 4px 0 0;
    font-weight: bold;
}

/* ─── Loading overlay ─────────────────────────────────────────── */
#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-spinner-size {
    width: 3.5rem;
    height: 3.5rem;
}