/* ============================================
   MINIMAL GLASSMORPHISM PRELOADER
   Luxury eCommerce Gift Store
   ============================================ */

#preloader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
    pointer-events: none;
}

#preloader-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

/* ─── Glass Container ─── */
.preloader-glass-container {
    position: relative;
    width: 380px;
    max-width: 85vw;
    min-height: 180px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 24px;
    padding: 36px 32px 28px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 0 60px rgba(255, 215, 0, 0.04);
    pointer-events: auto;
    animation: glassFadeIn 0.5s ease forwards;
}

@keyframes glassFadeIn {
    0% {
        opacity: 0;
        transform: scale(0.95);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Subtle border shimmer */
.preloader-glass-container::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    border: 1px solid transparent;
    background: conic-gradient(
        from 0deg at 50% 50%,
        rgba(255, 215, 0, 0.08),
        rgba(255, 255, 255, 0.03),
        rgba(255, 215, 0, 0.08),
        rgba(255, 255, 255, 0.03),
        rgba(255, 215, 0, 0.08)
    ) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: glowRotate 3s linear infinite;
    pointer-events: none;
}

@keyframes glowRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ─── Brand Logo ─── */
.preloader-logo {
    margin-bottom: 12px;
    opacity: 0;
    transform: scale(0.6);
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.preloader-logo.visible {
    opacity: 1;
    transform: scale(1);
}

.preloader-logo img {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 2px 16px rgba(255, 215, 0, 0.15);
    display: block;
}

/* ─── Tagline ─── */
.preloader-tagline {
    text-align: center;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.preloader-tagline.visible {
    opacity: 1;
    transform: translateY(0);
}

.preloader-tagline-main {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 1.5px;
    background: linear-gradient(135deg, #fff 0%, #e8e0c8 40%, #d4af37 70%, #fff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.preloader-tagline-sub {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 10px;
    font-weight: 400;
    letter-spacing: 3px;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 4px;
    text-transform: uppercase;
}

/* ─── Progress bar ─── */
.preloader-bar {
    width: 120px;
    height: 2px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.06);
    margin-top: 16px;
    overflow: hidden;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.preloader-bar.active {
    opacity: 1;
}

.preloader-bar-fill {
    height: 100%;
    width: 0%;
    border-radius: 2px;
    background: linear-gradient(90deg, rgba(255, 215, 0, 0.3), rgba(255, 215, 0, 0.6));
    transition: width 0.3s ease;
}

/* ─── Responsive ─── */
@media (max-width: 500px) {
    .preloader-glass-container {
        width: 280px;
        min-height: 150px;
        padding: 28px 20px 24px;
        border-radius: 20px;
    }
    .preloader-tagline-main {
        font-size: 14px;
        letter-spacing: 1px;
    }
    .preloader-logo img {
        width: 44px;
        height: 44px;
    }
}