/* Bloquear scroll general del body para simular App Nativa */
body {
    overflow: hidden;
    background-color: #0f172a;
    -webkit-tap-highlight-color: transparent;
}

/* Ocultar scrollbars pero permitir scroll en contenedores específicos */
.scrollable-content {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
}
.scrollable-content::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in { animation: fadeIn 0.4s ease-out forwards; }

.loading-spinner {
    border: 3px solid rgba(0, 0, 0, 0.1);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border-left-color: #4caf50;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.custom-checkbox:checked + div {
    background-color: #4caf50;
    border-color: #4caf50;
}
.custom-checkbox:checked + div i {
    display: block;
}

/* Nav estilos activos — tema oscuro */
.nav-btn.active {
    color: #4ade80; /* green-400 */
}
.nav-btn.active .icon-container {
    background-color: rgba(74, 222, 128, 0.12);
}
.nav-btn.active span {
    font-weight: 700;
    color: #4ade80;
}

/* Ajuste para notch/safe area en iOS */
.pb-safe {
    padding-bottom: env(safe-area-inset-bottom, 16px);
}

/* Ajuste para escritorio */
@media (min-width: 1024px) {
    #appContainer {
        max-width: 1200px;
        margin: 20px auto;
        border-radius: 24px;
        box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
        border: 1px solid rgba(74, 222, 128, 0.1);
        position: relative;
        overflow: hidden;
    }
    body {
        background: radial-gradient(circle at top right, #1e293b, #0f172a) !important;
        overflow: auto; /* Permitir scroll en el body si el contenedor es muy alto, aunque se intenta mantener app-like */
    }
}