/* Fondo general y tipografía */
body {
    background: radial-gradient(circle at top left, #eef2ff 0, #f4f5fb 40%, #f5f7fa 100%);
    color: #1f2933; /* texto normal, no negro puro */
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* Contenedor amplio para pantallas grandes */
.container-xxl,
.container-xl {
    max-width: 1400px;
}

/* NAVBAR / MENÚ SUPERIOR */
.navbar-main {
    background: linear-gradient(90deg, #4f46e5, #6366f1);
    color: #f9fafb;
}

.navbar-main .navbar-brand {
    color: #f9fafb !important;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.navbar-main .navbar-nav .nav-link {
    color: #e5e7eb;
    font-weight: 500;
    padding-left: 1rem;
    padding-right: 1rem;
    border-radius: 999px;
    transition: background-color .2s, color .2s, transform .1s;
}

.navbar-main .navbar-nav .nav-link:hover {
    background-color: rgba(255,255,255,0.12);
    color: #ffffff;
    transform: translateY(-1px);
}

.navbar-main .navbar-nav .nav-link.active {
    background-color: #ffffff;
    color: #3730a3 !important;
}

/* Logo redondo */
.logo-circle {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    background: rgba(255,255,255,0.2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
}

/* Tarjetas (cards) más modernas */
.card {
    border: none;
    border-radius: 18px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
    background-color: #ffffff;
}

.card-title {
    font-weight: 600;
    color: #111827;
}

/* Títulos de página */
h2, h3 {
    color: #111827;
    font-weight: 700;
}

/* BOTONES: evitar negros, mejorar contraste */
.btn-primary {
    background-color: #2563eb;
    border-color: #2563eb;
}

.btn-primary:hover {
    background-color: #1d4ed8;
    border-color: #1d4ed8;
}

.btn-success {
    background-color: #16a34a;
    border-color: #16a34a;
}

.btn-success:hover {
    background-color: #15803d;
    border-color: #15803d;
}

.btn-secondary {
    background-color: #6b7280;
    border-color: #6b7280;
}

.btn-secondary:hover {
    background-color: #4b5563;
    border-color: #4b5563;
}

/* Botones outline para DataTables export */
.btn-outline-primary {
    color: #2563eb;
    border-color: #2563eb;
}

.btn-outline-primary:hover {
    background-color: #2563eb;
    color: #f9fafb;
}

.btn-outline-success {
    color: #16a34a;
    border-color: #16a34a;
}

.btn-outline-success:hover {
    background-color: #16a34a;
    color: #f9fafb;
}

/* TABLAS */
.table {
    background-color: #ffffff;
}

.table thead.table-dark {
    background: linear-gradient(90deg, #4f46e5, #6366f1);
    border: none;
}

.table thead.table-dark th {
    border: none;
}

/* Estados en tablas (ya los estás usando desde PHP con estas clases) */
.text-danger {
    color: #dc2626 !important; /* rojo */
}

.text-success {
    color: #16a34a !important; /* verde */
}

/* Pequeños detalles */
.badge-soft {
    padding: .35em .65em;
    border-radius: 999px;
    font-size: .75rem;
    font-weight: 500;
    background-color: #eef2ff;
    color: #3730a3;
}