/* ======================================
   Preloader - طلباتك
   تحميل احترافي بين الصفحات
   ====================================== */

/* Preloader overlay */
#page-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    transition: opacity 0.35s ease, visibility 0.35s ease;
    opacity: 1;
    visibility: visible;
}

#page-preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Logo pulse */
.preloader-logo {
    width: 64px;
    height: 64px;
    margin-bottom: 20px;
    animation: preloaderPulse 1.2s ease-in-out infinite;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(255, 90, 0, 0.15);
}

@keyframes preloaderPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.08); opacity: 0.8; }
}

/* Spinner dots */
.preloader-spinner {
    display: flex;
    align-items: center;
    gap: 8px;
}

.preloader-spinner .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #FF5A00;
    animation: preloaderBounce 1.4s ease-in-out infinite;
}

.preloader-spinner .dot:nth-child(1) { animation-delay: 0s; }
.preloader-spinner .dot:nth-child(2) { animation-delay: 0.16s; }
.preloader-spinner .dot:nth-child(3) { animation-delay: 0.32s; }

@keyframes preloaderBounce {
    0%, 80%, 100% { 
        transform: scale(0.6);
        opacity: 0.4;
    }
    40% { 
        transform: scale(1);
        opacity: 1;
    }
}

/* Loading text */
.preloader-text {
    margin-top: 16px;
    font-family: 'Cairo', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: #888;
    letter-spacing: 0.5px;
}

/* Navigation preloader (top bar) - for link clicks */
#nav-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #FF5A00, #FF8C42, #FF5A00);
    background-size: 200% 100%;
    z-index: 100000;
    transition: none;
    animation: navBarShimmer 1.5s linear infinite;
    border-radius: 0 2px 2px 0;
    box-shadow: 0 0 8px rgba(255, 90, 0, 0.4);
}

#nav-preloader.loading {
    transition: width 8s cubic-bezier(0.1, 0.5, 0.3, 1);
    width: 85%;
}

#nav-preloader.done {
    transition: width 0.3s ease;
    width: 100%;
}

#nav-preloader.fade-out {
    transition: opacity 0.3s ease;
    opacity: 0;
}

@keyframes navBarShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    #page-preloader {
        background: rgba(26, 26, 26, 0.92);
    }
    .preloader-text {
        color: #aaa;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .preloader-logo { animation: none; }
    .preloader-spinner .dot { animation: none; opacity: 0.6; }
    #nav-preloader { animation: none; }
}