/* ===================================
   GLOBAL LOADING OVERLAY SYSTEM
   =================================== */

/* Page Loader Overlay */
.page-loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.98);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.page-loader-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Hide navbar during loading to prevent flash */
.page-loader-overlay:not(.hidden)~nav,
.page-loader-overlay:not(.hidden)~.top-navbar,
.page-loader-overlay:not(.hidden)~.mobile-top-nav,
.page-loader-overlay:not(.hidden)~.mobile-bottom-nav {
    opacity: 0;
    pointer-events: none;
}

/* Spinner Container */
.loader-spinner {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0;
}

/* Outer Ring */
.spinner-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 4px solid #ffe0b2;
    border-top-color: #ff5722;
    border-radius: 50%;
    animation: spinRotate 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

.spinner-ring:nth-child(2) {
    border-top-color: #ffab40;
    animation-delay: -0.3s;
}

.spinner-ring:nth-child(3) {
    border-top-color: #d84315;
    animation-delay: -0.6s;
}

/* Temple Icon in Center */
.loader-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 36px;
    color: #ff5722;
    animation: iconPulse 1.5s ease-in-out infinite;
    z-index: 10;
    /* Ensure icon font properties */
    font-family: 'Material Icons', sans-serif;
    font-weight: normal;
    font-style: normal;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    white-space: nowrap;
    word-wrap: normal;
    direction: ltr;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    font-feature-settings: 'liga';
}

img.loader-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

/* Loading Text */
.loader-text {
    margin-top: 24px;
    font-family: "Forum", serif;
    font-size: 16px;
    color: #3e2723;
    font-weight: 600;
    letter-spacing: 1px;
    text-align: center;
    animation: textFade 1.5s ease-in-out infinite;
}

/* Animations */
@keyframes spinRotate {
    0% {
        transform: rotate(0deg);
    }

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

@keyframes iconPulse {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }

    50% {
        transform: translate(-50%, -50%) scale(0.9);
        opacity: 0.7;
    }
}

@keyframes textFade {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }
}

/* ===================================
   CONTENT FADE-IN SYSTEM
   =================================== */

/* Hide content initially */
.main-content {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

/* Show content smoothly */
.main-content.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Prevent flash of unstyled content */
.main-content:not(.loaded) {
    visibility: hidden !important;
    opacity: 0 !important;
    animation: none !important;
}

.main-content:not(.loaded) * {
    visibility: hidden !important;
    opacity: 0 !important;
    animation: none !important;
}

.main-content.loaded {
    visibility: visible;
}

/* ===================================
   SKELETON LOADING (OPTIONAL)
   =================================== */

.skeleton {
    background: linear-gradient(90deg,
            #f0f0f0 25%,
            #e0e0e0 50%,
            #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeletonLoad 1.5s ease-in-out infinite;
    border-radius: 8px;
}

@keyframes skeletonLoad {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* ===================================
   MOBILE RESPONSIVE
   =================================== */

@media (max-width: 768px) {
    .loader-spinner {
        width: 60px;
        height: 60px;
    }

    .loader-icon {
        font-size: 24px;
    }

    .loader-text {
        font-size: 14px;
        margin-top: 16px;
    }
}