:root {
    --whatsapp-green: #25D366;
    --whatsapp-dark: #128C7E;
    --whatsapp-light: #DCF8C6;
}

body {
    background: #2b2b2b; /* fondo gris oscuro */
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.navbar {
    background: var(--whatsapp-green) !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: bold;
    color: white !important;
}

/* Texto del menú en navbar: usar tono oscuro para mejor legibilidad sobre el verde */
.navbar .nav-link {
    color: rgba(0,0,0,0.85) !important;
    font-weight: 600;
}
.navbar .nav-link:hover,
.navbar .nav-link:focus {
    color: #ffffff !important;
    background: var(--whatsapp-dark) !important;
    border-radius: 4px;
}
.navbar .dropdown-toggle {
    color: rgba(0,0,0,0.85) !important;
}
.navbar .dropdown-toggle:hover {
    color: #ffffff !important;
    background: var(--whatsapp-dark) !important;
}

.navbar .dropdown-menu .dropdown-item:hover {
    background: #0f5e4f !important; /* un poco más oscuro que --whatsapp-dark */
    color: #ffffff !important;
}

.btn-whatsapp {
    background: var(--whatsapp-green);
    color: white;
    border: none;
}

.btn-whatsapp:hover {
    background: var(--whatsapp-dark);
    color: white;
}

.card {
    border: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border-radius: 10px;
}

.card-header {
    background: var(--whatsapp-green);
    color: white;
    border-radius: 10px 10px 0 0 !important;
}

.status-badge {
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85em;
}

.status-connected {
    background: #28a745;
    color: white;
}

.status-disconnected {
    background: #dc3545;
    color: white;
}

.status-qr-pending {
    background: #ffc107;
    color: #000;
}

.qr-code-container {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 10px;
}

.qr-code-container img {
    max-width: 300px;
    border: 3px solid var(--whatsapp-green);
    border-radius: 10px;
}

/* Hover específico para el enlace del footer 'GIGA Net Soft' */
.giganet-link:hover {
    color: var(--whatsapp-green) !important;
    text-decoration: underline;
}