body {
    background-color: #000; /* fondo negro */
    color: #fff;
    font-family: 'Segoe UI', sans-serif;
    padding: 2rem;
}

.card {
    background-color: #1a1a1a;
    border: none;
    color: #fff;
    box-shadow: 0 0 12px rgba(230, 0, 0, 0.3);
}

.btn-primary {
    background-color: #e60000;
    border-color: #e60000;
}

.btn-primary:hover {
    background-color: #cc0000;
    border-color: #cc0000;
}

h1, h2, h3, h4 {
    color: #ffffff;
    font-weight: bold;
}

a {
    color: #e60000;
    text-decoration: none;
}

a:hover {
    color: #ff1a1a;
    text-decoration: underline;
}

.login-box {
    max-width: 400px;
    margin: auto;
    background-color: #1a1a1a;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
}

.login-box img {
    max-width: 150px;
    margin-bottom: 1rem;
}

.brand-link {
    color: inherit;
    text-decoration: none;
}

.brand-link:hover {
    color: inherit;
    text-decoration: none;
    opacity: 0.95;
}

.dashboard-hero {
    background: linear-gradient(135deg, #1a1a1a 0%, #2c0f0f 100%);
}

.dashboard-logo {
    width: 88px;
    height: 88px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 0 16px rgba(230, 0, 0, 0.25);
}

.dashboard-stat-value {
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1;
}

.list-group-item {
    border-color: rgba(255, 255, 255, 0.08);
}

/* Bootstrap deja .text-muted demasiado apagado para este tema oscuro */
.text-muted,
.text-body-secondary {
    color: #d0d0d0 !important;
}