.composer {
    grid-template-columns: auto minmax(0, 1fr) auto;
}

.composer .attachment-action {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.055);
    color: #e8ebf3;
    font-size: 1.1rem;
}

.composer .attachment-action:hover {
    border-color: rgba(32, 217, 232, 0.55);
    background: rgba(32, 217, 232, 0.1);
}

.composer .send-action {
    background: var(--cyan);
    color: #071216;
}

.guest-media-preview {
    grid-column: 1 / -1;
    display: flex;
    gap: 9px;
    overflow-x: auto;
    padding: 2px 1px 4px;
}

.guest-media-preview-item {
    position: relative;
    flex: 0 0 72px;
    width: 72px;
    height: 72px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
}

.guest-media-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.guest-media-preview-item button {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    border: 0;
    border-radius: 50%;
    background: rgba(8, 8, 18, 0.85);
    color: #fff;
    line-height: 1;
}

.message.media {
    width: min(78%, 420px);
    padding: 5px;
    overflow: hidden;
}

.message.media img {
    display: block;
    width: 100%;
    max-height: 380px;
    border-radius: 11px;
    object-fit: contain;
    cursor: zoom-in;
}

.guest-media-open {
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    border-radius: 11px;
    background: transparent;
    color: inherit;
    cursor: zoom-in;
}

.guest-media-open:focus-visible {
    outline: 3px solid rgba(32, 217, 232, 0.85);
    outline-offset: 3px;
}

body.guest-lightbox-open {
    overflow: hidden;
    touch-action: none;
}

.guest-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    padding: max(18px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left));
    background: rgba(2, 4, 12, 0.74);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    overscroll-behavior: contain;
    touch-action: none;
}

.guest-lightbox-image {
    display: block;
    width: auto;
    height: auto;
    max-width: calc(100vw - 36px);
    max-height: calc(100vh - 36px);
    max-height: calc(100dvh - 36px);
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.72);
    user-select: none;
}

.guest-lightbox-close {
    position: fixed;
    top: max(14px, env(safe-area-inset-top));
    right: max(14px, env(safe-area-inset-right));
    z-index: 1;
    width: 48px;
    height: 48px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 50%;
    background: rgba(8, 8, 18, 0.82);
    color: #fff;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.guest-lightbox-close:hover,
.guest-lightbox-close:focus-visible {
    border-color: rgba(32, 217, 232, 0.8);
    background: rgba(20, 25, 42, 0.96);
    outline: none;
}

@media (max-width: 620px) {
    .composer {
        gap: 7px;
    }

    .message.media {
        width: min(88%, 360px);
    }
}