/* Shared CoursePilot loading spinner */
#loadingOverlay {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    background:
        radial-gradient(circle at center, rgba(var(--cp-spinner-rgb, var(--cp-brand-rgb, 236, 105, 63)), 0.16), transparent 34%),
        rgba(17,24,39,0.55) !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    visibility: hidden;
    z-index: 999999 !important;
    margin: 0 !important;
    padding: 0 !important;
    backdrop-filter: blur(2px);
}

#loadingOverlay.show {
    visibility: visible !important;
}

#loadingOverlay.show::after {
    content: attr(data-loading-text);
    position: absolute;
    top: calc(50% + 52px);
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-shadow: 0 2px 8px rgba(0,0,0,0.35);
    animation: cpSpinnerTextPulse 1.4s ease-in-out infinite;
}

.pulse-loader,
#loadingOverlay .spinner {
    --color-1: rgba(var(--cp-spinner-rgb, var(--cp-brand-rgb, 236, 105, 63)), 0.58);
    --color-2: var(--cp-spinner, var(--cp-brand, #ec693f));
    --size: 3.2px;
    animation: cpSpinnerRotate 1s infinite !important;
    background: transparent !important;
    border: none !important;
    height: calc(50 * var(--size)) !important;
    width: calc(50 * var(--size)) !important;
    position: relative !important;
    box-shadow: none !important;
    flex: 0 0 auto;
}

.pulse-loader::before,
#loadingOverlay .spinner::before {
    border-radius: 50%;
    content: '' !important;
    display: block;
    height: calc(20 * var(--size));
    width: calc(20 * var(--size));
    animation: cpSpinnerBall1 1s infinite;
    background-color: var(--color-1);
    box-shadow: calc(30 * var(--size)) 0 0 var(--color-2);
    margin-bottom: calc(10 * var(--size));
}

.pulse-loader::after,
#loadingOverlay .spinner::after {
    border-radius: 50%;
    content: '' !important;
    display: block;
    height: calc(20 * var(--size));
    width: calc(20 * var(--size));
    animation: cpSpinnerBall2 1s infinite;
    background-color: var(--color-2);
    box-shadow: calc(30 * var(--size)) 0 0 var(--color-1);
}

@keyframes cpSpinnerRotate {
    0% { transform: rotate(0deg) scale(0.8); }
    50% { transform: rotate(360deg) scale(1.2); }
    100% { transform: rotate(720deg) scale(0.8); }
}

@keyframes cpSpinnerBall1 {
    0% { box-shadow: calc(30 * var(--size)) 0 0 var(--color-2); }
    50% {
        box-shadow: 0 0 0 var(--color-2);
        margin-bottom: 0;
        transform: translate(calc(15 * var(--size)), calc(15 * var(--size)));
    }
    100% {
        box-shadow: calc(30 * var(--size)) 0 0 var(--color-2);
        margin-bottom: calc(10 * var(--size));
    }
}

@keyframes cpSpinnerBall2 {
    0% { box-shadow: calc(30 * var(--size)) 0 0 var(--color-1); }
    50% {
        box-shadow: 0 0 0 var(--color-1);
        margin-top: calc(-20 * var(--size));
        transform: translate(calc(15 * var(--size)), calc(15 * var(--size)));
    }
    100% {
        box-shadow: calc(30 * var(--size)) 0 0 var(--color-1);
        margin-top: 0;
    }
}

@keyframes cpSpinnerTextPulse {
    0%, 100% { opacity: 0.55; }
    50% { opacity: 1; }
}