/* === VARIABLES CSS - SOLO COLOR PRIMARY === */
:root {
    --color-primary: #282163;
    --color-primary-light: #3d2f7a;
    --color-primary-dark: #1e1a4a;
    --color-yellow: #feca14;
}

/* === NAVIGATION LOADER OVERLAY === */
.navigation-loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

    .navigation-loader-overlay.show {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

/* === FONDO CON DISTORSIÓN === */
.navigation-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px) saturate(1.2);
    -webkit-backdrop-filter: blur(8px) saturate(1.2);
}

    .navigation-backdrop::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: radial-gradient(circle at 20% 30%, rgba(40, 33, 99, 0.03) 0%, transparent 50%), radial-gradient(circle at 80% 70%, rgba(40, 33, 99, 0.03) 0%, transparent 50%), radial-gradient(circle at 50% 50%, rgba(40, 33, 99, 0.02) 0%, transparent 70%);
        animation: distortionWave 4s ease-in-out infinite;
    }

@keyframes distortionWave {
    0%, 100% {
        transform: scale(1) rotate(0deg);
        opacity: 0.5;
    }

    50% {
        transform: scale(1.05) rotate(1deg);
        opacity: 0.3;
    }
}

/* === CONTAINER DEL LOADER === */
.navigation-loader-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    animation: containerFadeIn 0.4s ease-out 0.1s both;
}

@keyframes containerFadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }

    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* === SPINNER CIRCULAR === */
.navigation-spinner {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
}

/* Anillo exterior */
.spinner-outer-ring {
    position: absolute;
    top: 0;
    left: 0;
    width: 80px;
    height: 80px;
    border: 3px solid transparent;
    border-top: 3px solid var(--color-primary);
    border-radius: 50%;
    animation: spinOuter 1.5s linear infinite;
}

/* Anillo interior */
.spinner-inner-ring {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 60px;
    height: 60px;
    border: 2px solid transparent;
    border-bottom: 2px solid var(--color-yellow);
    border-radius: 50%;
    animation: spinInner 1s linear infinite reverse;
}

/* Animaciones del spinner */
@keyframes spinOuter {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes spinInner {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* === TEXTO DE NAVEGACIÓN === */
.navigation-text {
    opacity: 0.8;
}

    .navigation-text p {
        margin: 0;
        font-size: 1rem;
        font-weight: 500;
        color: var(--color-primary);
        animation: textFade 2s ease-in-out infinite;
    }

@keyframes textFade {
    0%, 100% {
        opacity: 0.8;
    }

    50% {
        opacity: 0.4;
    }
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .navigation-spinner {
        width: 60px;
        height: 60px;
    }

    .spinner-outer-ring {
        width: 60px;
        height: 60px;
    }

    .spinner-inner-ring {
        top: 8px;
        left: 8px;
        width: 44px;
        height: 44px;
    }

    .navigation-text p {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .navigation-spinner {
        width: 50px;
        height: 50px;
    }

    .spinner-outer-ring {
        width: 50px;
        height: 50px;
    }

    .spinner-inner-ring {
        top: 6px;
        left: 6px;
        width: 38px;
        height: 38px;
    }

    .navigation-text p {
        font-size: 0.75rem;
    }
}