.simp-modal {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: grid;
    place-items: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, visibility .25s ease;
}

.simp-modal.is-open {
    opacity: 1;
    visibility: visible;
}

.simp-modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, .76);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.simp-modal__dialog {
    position: relative;
    z-index: 1;
    width: min(100%, var(--simp-popup-width, 700px));
    max-height: calc(100vh - 48px);
    border-radius: 16px;
    background: transparent;
    box-shadow: 0 24px 70px rgba(0, 0, 0, .35);
    transform: translateY(18px) scale(.98);
    transition: transform .25s ease;
}

.simp-modal.is-open .simp-modal__dialog {
    transform: translateY(0) scale(1);
}

.simp-modal__dialog a {
    display: block;
    line-height: 0;
}

.simp-modal__image {
    display: block;
    width: 100%;
    height: var(--simp-popup-height, auto);
    max-height: calc(100vh - 48px);
    object-fit: contain;
    border-radius: 16px;
    background: #fff;
}

.simp-modal__close {
    position: absolute;
    top: -14px;
    right: -14px;
    z-index: 3;
    width: 42px;
    height: 42px;
    border: 2px solid #fff;
    border-radius: 999px;
    background: #111827;
    color: #fff;
    font: 700 28px/1 Arial, sans-serif;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0,0,0,.25);
    transition: transform .2s ease, background .2s ease;
}

.simp-modal__close:hover,
.simp-modal__close:focus-visible {
    background: #dc2626;
    transform: scale(1.06);
    outline: none;
}

body.simp-modal-open {
    overflow: hidden;
}

@media (max-width: 600px) {
    .simp-modal {
        padding: 18px;
    }

    .simp-modal__dialog {
        max-height: calc(100vh - 36px);
    }

    .simp-modal__image {
        max-height: calc(100vh - 36px);
        border-radius: 12px;
    }

    .simp-modal__close {
        top: -12px;
        right: -8px;
        width: 38px;
        height: 38px;
        font-size: 24px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .simp-modal,
    .simp-modal__dialog,
    .simp-modal__close {
        transition: none;
    }
}