/**
 * ═══════════════════════════════════════════════════════════
 * Global Loader Component - Redesigned (Back-to-Top Style)
 * ═══════════════════════════════════════════════════════════
 */

#global-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--surface-0);
    z-index: 99999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity 0.8s ease-out, visibility 0.8s ease-out;
    opacity: 1;
    visibility: visible;
}

#global-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* ═══════════════════════════════════════════════════════════
   (1) The Loader Button (Container)
   ═══════════════════════════════════════════════════════════ */

.loader-btn {
    position: relative;
    z-index: 1000;
    cursor: default;
    margin-bottom: 2rem;
}

/* Enhanced Pulse Effect with Multiple Rings */
.loader-btn::before,
.loader-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    pointer-events: none;
    z-index: -1;
    box-sizing: border-box;
    /* Ensure proper sizing */
}

.loader-btn::before {
    width: 100%;
    height: 100%;
    transform: translate(-50%, -50%);
    animation: loaderPulseRing1 2.5s ease-out infinite;
}

.loader-btn::after {
    width: 100%;
    height: 100%;
    transform: translate(-50%, -50%);
    animation: loaderPulseRing2 2.5s ease-out infinite 0.8s;
}

@keyframes loaderPulseRing1 {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.8;
        border-width: 3px;
    }

    25% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.6;
        border-width: 2px;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.3);
        opacity: 0.4;
        border-width: 1px;
    }

    75% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0.2;
        border-width: 1px;
    }

    100% {
        transform: translate(-50%, -50%) scale(1.4);
        opacity: 0;
        border-width: 0px;
    }
}

@keyframes loaderPulseRing2 {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.6;
        border-width: 2px;
        border-color: var(--secondary-color);
    }

    30% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.5;
        border-width: 2px;
    }

    60% {
        transform: translate(-50%, -50%) scale(1.4);
        opacity: 0.3;
        border-width: 1px;
    }

    100% {
        transform: translate(-50%, -50%) scale(1.6);
        opacity: 0;
        border-width: 0px;
    }
}

/* ═══════════════════════════════════════════════════════════
   (2) The Content Box (Gradient Circle)
   ═══════════════════════════════════════════════════════════ */

.loader-content-box {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    width: 100px;
    height: 100px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 40px rgba(var(--primary-color-rgb), 0.4);
    border: 2px solid rgba(var(--white-rgb), 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    /* Simulate hover effect permanently */
    transform: translateY(-3px);
    box-shadow: 0 20px 60px rgba(var(--primary-color-rgb), 0.6);
    border-color: rgba(var(--white-rgb), 0.4);
}

/* Shine Effect */
.loader-content-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(var(--white-rgb), 0.3), transparent);
    animation: loaderShine 3s infinite ease-in-out;
}

@keyframes loaderShine {

    0%,
    100% {
        left: -100%;
    }

    50% {
        left: 100%;
    }
}

/* ═══════════════════════════════════════════════════════════
   (3) The Icon Wrapper & Progress Text
   ═══════════════════════════════════════════════════════════ */

.loader-icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(var(--white-rgb), 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transform: scale(1.05);
    background: rgba(var(--white-rgb), 0.3);
}

.loader-progress {
    font-size: 1.3rem;
    /* Larger */
    font-weight: 900;
    /* Extra Bold */
    color: var(--text-white);
    font-family: 'Tajawal', sans-serif;
    animation: loaderTextPulse 2.5s ease-in-out infinite;
    text-shadow: 0 2px 5px rgba(var(--black-rgb), 0.4);
    direction: ltr;
    display: inline-block;
}

@keyframes loaderTextPulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.15);
        /* Pulse in harmony with rings */
    }

    100% {
        transform: scale(1);
    }
}

/* ═══════════════════════════════════════════════════════════
   (4) Text & Spinner (Below Button)
   ═══════════════════════════════════════════════════════════ */

.loader-text-wrapper {
    text-align: center;
    margin-top: 1rem;
}

.loader-text {
    font-size: var(--font-size-2xl, 1.4rem);
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: var(--spacing-xs, 10px);
}

.loader-sub {
    font-size: var(--font-size-base, 1rem);
    color: var(--text-light);
    font-weight: 500;
    min-height: 24px;
}

.spinner-bar {
    width: 200px;
    height: 4px;
    background: var(--surface-1);
    border-radius: var(--radius-sm);
    margin: var(--spacing-lg) auto 0;
    overflow: hidden;
    position: relative;
}

.spinner-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 50%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-sm, 4px);
    animation: loadingBar 1.5s infinite ease-in-out;
}

@keyframes loadingBar {
    0% {
        left: -50%;
    }

    100% {
        left: 100%;
    }
}

/* ═══════════════════════════════════════════════════════════
   (5) Responsive
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
    .loader-content-box {
        width: 80px;
        height: 80px;
    }

    .loader-icon-wrapper {
        width: 50px;
        height: 50px;
    }

    .loader-progress {
        font-size: 1.1rem;
    }

    .loader-text {
        font-size: var(--font-size-xl, 1.2rem);
    }
}

/* ═══════════════════════════════════════════════════════════
   (6) Prevent Scroll
   ═══════════════════════════════════════════════════════════ */
body:has(#global-loader:not(.hidden)) {
    overflow: hidden;
    height: 100vh;
}

/* ═══════════════════════════════════════════════════════════
   (7) Dark Mode Support
   ═══════════════════════════════════════════════════════════ */
body.theme-night #global-loader .loader-text {
    color: var(--text-main);
}

body.theme-night #global-loader .loader-sub {
    color: var(--text-light);
}