/**
 * WP Preloader v2.0 – Frontend & Admin Styles
 */

/* =============================================
   PRELOADER OVERLAY
   ============================================= */
#wpp-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Background color & opacity set via JS */
    background-color: #1a1a2e;
    transition: opacity var(--wpp-fade-duration, 600ms) ease,
                visibility var(--wpp-fade-duration, 600ms) ease;
}

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

#wpp-preloader-inner {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Custom image */
#wpp-custom-image {
    max-width: 100%;
    height: auto;
}

/* =============================================
   SPINNER BASE — uses CSS variable for color
   ============================================= */
.wpp-spinner {
    --wpp-spinner-color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* =============================================
   SPINNER 1: CIRCLE (Rotating Arc)
   ============================================= */
.wpp-spinner--circle {
    width: 56px;
    height: 56px;
}

.wpp-spinner--circle span {
    display: block;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.15);
    border-top-color: var(--wpp-spinner-color);
    animation: wpp-circle-spin 0.85s linear infinite;
}

@keyframes wpp-circle-spin {
    to { transform: rotate(360deg); }
}

/* =============================================
   SPINNER 2: RING (Pulsing dual ring)
   ============================================= */
.wpp-spinner--ring {
    width: 56px;
    height: 56px;
    position: relative;
}

.wpp-spinner--ring span {
    display: block;
    position: absolute;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 4px solid transparent;
    border-top-color: var(--wpp-spinner-color);
    border-bottom-color: var(--wpp-spinner-color);
    animation: wpp-ring-spin 1.1s ease-in-out infinite;
}

@keyframes wpp-ring-spin {
    0%   { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* =============================================
   SPINNER 3: DOTS (Bouncing dots)
   ============================================= */
.wpp-spinner--dots {
    gap: 10px;
}

.wpp-spinner--dots span {
    display: block;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--wpp-spinner-color);
    animation: wpp-dots-bounce 1.2s ease-in-out infinite;
}

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

@keyframes wpp-dots-bounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
    40%            { transform: scale(1.0); opacity: 1.0; }
}

/* =============================================
   SPINNER 4: BARS (Wave bars)
   ============================================= */
.wpp-spinner--bars {
    gap: 5px;
    height: 48px;
    align-items: flex-end;
}

.wpp-spinner--bars span {
    display: block;
    width: 8px;
    height: 32px;
    background-color: var(--wpp-spinner-color);
    border-radius: 4px;
    animation: wpp-bars-wave 1.1s ease-in-out infinite;
}

.wpp-spinner--bars span:nth-child(1) { animation-delay: -0.4s; }
.wpp-spinner--bars span:nth-child(2) { animation-delay: -0.2s; }
.wpp-spinner--bars span:nth-child(3) { animation-delay: 0s; }
.wpp-spinner--bars span:nth-child(4) { animation-delay: 0.2s; }

@keyframes wpp-bars-wave {
    0%, 40%, 100% { transform: scaleY(0.4); opacity: 0.5; }
    20%            { transform: scaleY(1.0); opacity: 1.0; }
}

/* =============================================
   SPINNER 5: PULSE (Ripple / sonar)
   ============================================= */
.wpp-spinner--pulse {
    position: relative;
    width: 56px;
    height: 56px;
}

.wpp-spinner--pulse span {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--wpp-spinner-color);
    opacity: 0.6;
    animation: wpp-pulse-ripple 1.6s ease-out infinite;
}

.wpp-spinner--pulse span:nth-child(2) {
    animation-delay: -0.8s;
}

@keyframes wpp-pulse-ripple {
    0%   { transform: scale(0);   opacity: 0.7; }
    100% { transform: scale(1.4); opacity: 0;   }
}

/* =============================================
   ADMIN PREVIEW (inside settings page)
   ============================================= */
#wpp-preview-spinner {
    /* inherits .wpp-spinner styles */
}