.sspa-popup-overlay {
    position: fixed;
    inset: 0;
    z-index: 2147483000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(16px, 4vw, 40px);
    background: rgba(0, 0, 0, 0.72);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 180ms ease, visibility 180ms ease;
    box-sizing: border-box;
}

.sspa-popup-overlay.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.sspa-popup-dialog {
    position: relative;
    width: min(var(--sspa-max-width, 520px), 92vw, calc(100vh - 48px));
    aspect-ratio: 1 / 1;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
    overflow: visible;
    transform: translateY(14px) scale(0.97);
    transition: transform 220ms ease;
    box-sizing: border-box;
}

.sspa-popup-overlay.is-visible .sspa-popup-dialog { transform: translateY(0) scale(1); }

.sspa-popup-overlay.is-exit-flash .sspa-popup-dialog {
    animation: sspaExitFlash 850ms ease both;
}

@keyframes sspaExitFlash {
    0% { transform: scale(0.82); filter: brightness(1.8); }
    34% { transform: scale(1.055); filter: brightness(1.12); }
    62% { transform: scale(0.985); }
    100% { transform: scale(1); filter: brightness(1); }
}

.sspa-popup-link,
.sspa-popup-image-wrap {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 14px;
    overflow: hidden;
    line-height: 0;
}

.sspa-popup-link:focus-visible { outline: 3px solid #2271b1; outline-offset: 4px; }

.sspa-popup-link img,
.sspa-popup-image-wrap img {
    display: block;
    width: 100%;
    height: 100%;
    max-width: none;
    object-fit: cover;
    border: 0;
    margin: 0;
    padding: 0;
}

.sspa-popup-close {
    position: absolute;
    top: -14px;
    right: -14px;
    z-index: 2;
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 2px solid #fff;
    border-radius: 999px;
    background: #111;
    color: #fff;
    font: 700 30px/1 Arial, sans-serif;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
    appearance: none;
}

.sspa-popup-close span { display: block; transform: translateY(-1px); }
.sspa-popup-close:hover { background: #333; }
.sspa-popup-close:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }

html.sspa-popup-open,
body.sspa-popup-open { overflow: hidden !important; }

@media (max-width: 600px) {
    .sspa-popup-overlay { padding: 24px 18px; }
    .sspa-popup-dialog { width: min(88vw, calc(100vh - 64px)); border-radius: 10px; }
    .sspa-popup-link, .sspa-popup-image-wrap { border-radius: 10px; }
    .sspa-popup-close { top: -12px; right: -10px; width: 36px; height: 36px; font-size: 28px; }
}

@media (prefers-reduced-motion: reduce) {
    .sspa-popup-overlay, .sspa-popup-dialog { transition: none; }
    .sspa-popup-overlay.is-exit-flash .sspa-popup-dialog { animation: none; }
}