/**
 * Revidia Templates — Modern Preloader
 * Full-screen overlay with animated gradient spinner.
 * Locks page scroll until the first ad block renders.
 *
 * Accent color is driven by CSS custom properties injected inline on the
 * overlay (and on the admin preview): --revidia-pl-accent + derived shades
 * (--accent-2..4, --accent-track) and --revidia-pl-accent-rgb for rgba().
 * Every var() keeps the original purple as a fallback, so the default look
 * is unchanged if no color is configured.
 */

/* Scroll lock — class is added by inline JS in <head> for instant effect,
   so even content above the fold can't scroll before our JS runs. */
html.revidia-preloader-active,
html.revidia-preloader-active body {
    overflow: hidden !important;
    height: 100% !important;
}

.revidia-preloader-overlay {
    position: fixed;
    inset: 0;
    background: #fdfdff;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.35s ease;
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
}

.revidia-preloader-overlay.revidia-preloader-fading {
    opacity: 0;
    pointer-events: none;
}

.revidia-preloader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 24px;
}

/* ------ Spinner (outer ring + inner dot) ------ */
.revidia-preloader-ring {
    position: relative;
    width: 140px;
    height: 140px;
    margin-bottom: 28px;
}

.revidia-preloader-ring::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 5px solid var(--revidia-pl-accent-track, #ede8ff);
    border-radius: 50%;
}

.revidia-preloader-ring::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 5px solid transparent;
    border-top-color: var(--revidia-pl-accent, #6B4FE0);
    border-right-color: var(--revidia-pl-accent-2, #8B7AE8);
    border-radius: 50%;
    animation: revidia-preloader-spin 1.2s linear infinite;
}

.revidia-preloader-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--revidia-pl-accent-3, #a89bf0) 0%, var(--revidia-pl-accent-4, #c5bcf5) 100%);
    box-shadow: 0 6px 18px rgba(var(--revidia-pl-accent-rgb, 107, 79, 224), 0.22);
}

@keyframes revidia-preloader-spin {
    to { transform: rotate(360deg); }
}

/* ------ Loading text ------ */
.revidia-preloader-text {
    font-family: 'Outfit', 'Poppins', -apple-system, sans-serif;
    font-size: 17px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0;
    line-height: 1.4;
    max-width: 360px;
}

/* ------ Three animated dots ------ */
.revidia-preloader-dots {
    display: flex;
    justify-content: center;
    gap: 7px;
    margin-top: 14px;
}

.revidia-preloader-dots span {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: revidia-preloader-bounce 1.4s ease-in-out infinite;
}

.revidia-preloader-dots span:nth-child(1) {
    background: var(--revidia-pl-accent, #6B4FE0);
    animation-delay: 0s;
}
.revidia-preloader-dots span:nth-child(2) {
    background: var(--revidia-pl-accent-3, #a89bf0);
    animation-delay: 0.2s;
}
.revidia-preloader-dots span:nth-child(3) {
    background: var(--revidia-pl-accent-4, #c5bcf5);
    animation-delay: 0.4s;
}

@keyframes revidia-preloader-bounce {
    0%, 100% { opacity: 0.4; transform: scale(0.85); }
    50%      { opacity: 1;   transform: scale(1.2); }
}

/* ------ Reduced motion ------ */
@media (prefers-reduced-motion: reduce) {
    .revidia-preloader-ring::after,
    .revidia-preloader-dots span {
        animation: none;
    }
    .revidia-preloader-ring::after {
        border-top-color: var(--revidia-pl-accent, #6B4FE0);
        border-right-color: var(--revidia-pl-accent, #6B4FE0);
        border-bottom-color: var(--revidia-pl-accent, #6B4FE0);
        border-left-color: var(--revidia-pl-accent, #6B4FE0);
        opacity: 0.4;
    }
}

/* ------ Mobile ------ */
@media (max-width: 480px) {
    .revidia-preloader-ring {
        width: 110px;
        height: 110px;
        margin-bottom: 24px;
    }
    .revidia-preloader-dot {
        width: 44px;
        height: 44px;
    }
    .revidia-preloader-text {
        font-size: 15px;
    }
}

/* =====================================================================
 * Alternate styles — selectable in the admin (Preloader tab).
 * All share the same overlay/fade/scroll-lock machinery; only the
 * animated indicator differs. The overlay root carries a
 * `revidia-preloader--<style>` modifier class.
 * ===================================================================== */

/* ---- Style: spinner (classic thin rotating ring) ---- */
.revidia-pl-spinner {
    width: 64px;
    height: 64px;
    margin-bottom: 26px;
    border: 5px solid var(--revidia-pl-accent-track, #ede8ff);
    border-top-color: var(--revidia-pl-accent, #6B4FE0);
    border-radius: 50%;
    animation: revidia-pl-spin 0.9s linear infinite;
}
@keyframes revidia-pl-spin {
    to { transform: rotate(360deg); }
}

/* ---- Style: bars (equalizer) ---- */
.revidia-pl-bars {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 60px;
    margin-bottom: 26px;
}
.revidia-pl-bars span {
    display: block;
    width: 10px;
    height: 100%;
    border-radius: 6px;
    background: linear-gradient(180deg, var(--revidia-pl-accent-2, #8B7AE8) 0%, var(--revidia-pl-accent, #6B4FE0) 100%);
    transform-origin: bottom center;
    animation: revidia-pl-bar 1s ease-in-out infinite;
}
.revidia-pl-bars span:nth-child(1) { animation-delay: 0s; }
.revidia-pl-bars span:nth-child(2) { animation-delay: 0.15s; }
.revidia-pl-bars span:nth-child(3) { animation-delay: 0.3s; }
.revidia-pl-bars span:nth-child(4) { animation-delay: 0.45s; }
@keyframes revidia-pl-bar {
    0%, 100% { transform: scaleY(0.35); opacity: 0.6; }
    50%      { transform: scaleY(1);    opacity: 1; }
}

/* ---- Style: pulse (expanding rings) ---- */
.revidia-pl-pulse {
    position: relative;
    width: 90px;
    height: 90px;
    margin-bottom: 26px;
}
.revidia-pl-pulse span {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 4px solid var(--revidia-pl-accent, #6B4FE0);
    background: radial-gradient(circle, rgba(var(--revidia-pl-accent-rgb, 107, 79, 224), 0.25) 0%, rgba(var(--revidia-pl-accent-rgb, 107, 79, 224), 0.08) 60%, transparent 72%);
    opacity: 0;
    transform: scale(0.2);
    animation: revidia-pl-pulse 1.8s ease-out infinite;
}
.revidia-pl-pulse span:nth-child(2) { animation-delay: 0.9s; }
@keyframes revidia-pl-pulse {
    0%   { opacity: 0.85; transform: scale(0.2); }
    100% { opacity: 0;    transform: scale(1); }
}

/* ---- Reduced motion for alternate styles ---- */
@media (prefers-reduced-motion: reduce) {
    .revidia-pl-spinner,
    .revidia-pl-bars span,
    .revidia-pl-pulse span {
        animation: none;
    }
    .revidia-pl-spinner {
        border-color: var(--revidia-pl-accent, #6B4FE0);
        opacity: 0.5;
    }
    .revidia-pl-pulse span { opacity: 0.4; transform: scale(0.7); }
}

/* =====================================================================
 * Admin-only: live style preview box on the settings page.
 * Uses the same indicator markup but in a contained (non-fixed) card.
 * ===================================================================== */
.revidia-preloader-preview {
    position: relative;
    width: 100%;
    min-height: 240px;
    margin-top: 12px;
    border: 1px solid #e3e3ef;
    border-radius: 10px;
    background: #fdfdff;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.revidia-preloader-preview .revidia-preloader-text {
    font-size: 15px;
}
.revidia-preloader-preview .revidia-preloader-ring {
    width: 96px;
    height: 96px;
    margin-bottom: 20px;
}
