/**
 * XWUIMessageBubble Component Styles
 * Structure + behavior. Colors come from theme CSS variables.
 *
 * Style Dependencies:
 * - Base: reset.css, typography.css, utilities.css
 * - Brand: brand/xwui/brand.css
 * - Style: style/modern/spacing.css
 * - Theme: theme/colors/{selected-theme}.css (MANDATORY - color variables)
 * - Theme: theme/accents/{selected-accent}.css (MANDATORY - accent variables)
 * - Roundness: theme/roundness/*.css
 * - Typography: theme/typography/*.css
 */

.xwui-messagebubble-row {
    display: flex;
    width: 100%; /* fill the transcript column so own messages can align end */
    gap: var(--spacing-sm, 0.5rem);
    margin-bottom: var(--spacing-xs, 0.25rem);
    align-items: flex-end;
    justify-content: flex-start;
}

/* Own messages pin to inline-end without row-reverse — row-reverse + RTL
 * double-flips and parks bubbles on the wrong side. */
.xwui-messagebubble-row-own {
    justify-content: flex-end;
    flex-direction: row;
}

.xwui-messagebubble-row-own .xwui-messagebubble-avatar {
    order: 1;
}

.xwui-messagebubble-avatar {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    flex-shrink: 0;
    object-fit: cover;
}

.xwui-messagebubble-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs, 0.25rem);
    max-width: min(70ch, 78%);
}

.xwui-messagebubble-row-own .xwui-messagebubble-container {
    align-items: flex-end;
}

/* Sender name — Telegram peer colour (set inline as --xwui-peer), accent fallback. */
.xwui-messagebubble-sender {
    font-size: var(--font-size-xs, 0.8125rem);
    font-weight: var(--font-weight-semibold, 600);
    color: var(--xwui-peer, var(--color-primary, var(--brand-primary)));
    padding: 0 var(--spacing-sm, 0.75rem);
}

.xwui-messagebubble {
    position: relative;
    padding: var(--spacing-xs, 0.4rem) var(--spacing-sm, 0.7rem);
    border-radius: var(--radius-messagebubble, var(--radius-lg, 14px));
    word-wrap: break-word;
    overflow-wrap: break-word;
    line-height: 1.4;
    background: var(--color-background-secondary, var(--bg-elevated, #1f2330));
    color: var(--color-text, var(--text-primary, #e6edf3));
    box-shadow: 0 1px 2px var(--color-light-shadow, rgba(0, 0, 0, 0.18));
}

.xwui-messagebubble-own {
    background: var(--color-background-own, var(--brand-primary, #5b6ef5));
    color: var(--color-accent-own, #fff);
}

/* Appendix tail — masked pseudo-element inherits the bubble colour. */
.xwui-messagebubble-tailed {
    --xwui-tail-left: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='9' height='20'%3E%3Cpath d='M3 17h6V0c-.193 2.84-.876 5.767-2.05 8.782-.904 2.325-2.446 4.485-4.625 6.48A1 1 0 003 17z' fill='black'/%3E%3C/svg%3E");
    --xwui-tail-right: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='9' height='20'%3E%3Cpath d='M6 17H0V0c.193 2.84.876 5.767 2.05 8.782.904 2.325 2.446 4.485 4.625 6.48A1 1 0 016 17z' fill='black'/%3E%3C/svg%3E");
}
.xwui-messagebubble-row:not(.xwui-messagebubble-row-own) .xwui-messagebubble-tailed {
    border-end-start-radius: 4px;
}
.xwui-messagebubble-row:not(.xwui-messagebubble-row-own) .xwui-messagebubble-tailed::after {
    content: '';
    position: absolute;
    bottom: 0;
    inset-inline-start: -7px;
    width: 9px;
    height: 20px;
    background-color: var(--color-background-secondary, var(--bg-elevated, #1f2330));
    -webkit-mask: var(--xwui-tail-left) no-repeat;
    mask: var(--xwui-tail-left) no-repeat;
}
html[dir="rtl"] .xwui-messagebubble-row:not(.xwui-messagebubble-row-own) .xwui-messagebubble-tailed::after {
    -webkit-mask: var(--xwui-tail-right) no-repeat;
    mask: var(--xwui-tail-right) no-repeat;
}
.xwui-messagebubble-own.xwui-messagebubble-tailed {
    border-end-end-radius: 4px;
}
.xwui-messagebubble-own.xwui-messagebubble-tailed::after {
    content: '';
    position: absolute;
    bottom: 0;
    inset-inline-end: -7px;
    width: 9px;
    height: 20px;
    background-color: var(--color-background-own, var(--brand-primary, #5b6ef5));
    -webkit-mask: var(--xwui-tail-right) no-repeat;
    mask: var(--xwui-tail-right) no-repeat;
}
html[dir="rtl"] .xwui-messagebubble-own.xwui-messagebubble-tailed::after {
    -webkit-mask: var(--xwui-tail-left) no-repeat;
    mask: var(--xwui-tail-left) no-repeat;
}

/* Reply quote — peer-coloured start bar + faint tint. */
.xwui-messagebubble-reply {
    display: flex;
    flex-direction: column;
    gap: 1px;
    margin-bottom: var(--spacing-xs, 0.3rem);
    padding: 3px 8px;
    border-inline-start: 3px solid var(--xwui-peer, var(--color-accent-own, var(--brand-primary)));
    border-radius: 4px;
    background: color-mix(in srgb, var(--xwui-peer, var(--brand-primary)) 14%, transparent);
    font-size: var(--font-size-xs, 0.8125rem);
}
.xwui-messagebubble-own .xwui-messagebubble-reply {
    border-inline-start-color: var(--color-accent-own, #fff);
    background: rgba(255, 255, 255, 0.16);
}
.xwui-messagebubble-reply-sender {
    font-weight: var(--font-weight-semibold, 600);
    color: var(--xwui-peer, var(--color-accent-own, var(--brand-primary)));
}
.xwui-messagebubble-own .xwui-messagebubble-reply-sender {
    color: var(--color-accent-own, #fff);
}
.xwui-messagebubble-reply-text {
    opacity: 0.75;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 32ch;
}

/* Inline media (image / video) + caption. */
.xwui-messagebubble-media {
    margin: -2px -3px 4px;
    border-radius: 10px;
    overflow: hidden;
    line-height: 0;
}
.xwui-messagebubble-media-el {
    display: block;
    /* Definite width so the bubble sizes to the media. A bare max-width:100%
     * collapses inside a shrink-to-fit bubble (circular % reference). */
    width: min(300px, 60vw);
    max-height: 380px;
    height: auto;
    object-fit: cover;
    cursor: pointer;
}
/* Media-only bubbles drop the chrome — the image IS the bubble. */
.xwui-messagebubble-media-only {
    padding: 3px;
    background: transparent !important;
    box-shadow: none;
}
.xwui-messagebubble-media-only .xwui-messagebubble-media {
    margin: 0;
}

.xwui-messagebubble-content {
    line-height: 1.4;
    white-space: pre-wrap;
}

.xwui-messagebubble-expand {
    display: block;
    margin-top: 2px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--xwui-peer, var(--color-links, var(--brand-primary)));
    cursor: pointer;
    font-size: var(--font-size-xs, 0.75rem);
    font-weight: var(--font-weight-semibold, 600);
}
.xwui-messagebubble-own .xwui-messagebubble-expand {
    color: var(--color-accent-own, #fff);
    text-decoration: underline;
}

/* Meta — time + status ticks float into the inline-end of the last line. */
.xwui-messagebubble-meta {
    float: right;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    margin: 6px 0 -1px 10px;
    font-size: var(--font-size-xs, 0.6875rem);
    line-height: 1;
    opacity: 0.6;
    user-select: none;
}
html[dir="rtl"] .xwui-messagebubble-meta {
    float: left;
    margin: 6px 10px -1px 0;
}
.xwui-messagebubble-own .xwui-messagebubble-meta {
    opacity: 0.85;
}
.xwui-messagebubble-status {
    flex-shrink: 0;
}
.xwui-messagebubble-status-read {
    color: var(--color-links, #4fc3f7);
}

/* Reactions strip. */
.xwui-messagebubble-reactions {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 0 2px;
}
.xwui-messagebubble-reaction {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 7px;
    border: none;
    border-radius: 999px;
    background: var(--color-message-reaction, color-mix(in srgb, var(--brand-primary) 16%, transparent));
    color: var(--color-text, var(--text-primary));
    cursor: pointer;
    font-size: var(--font-size-xs, 0.8125rem);
    line-height: 1.2;
    transition: background 0.12s ease;
}
.xwui-messagebubble-reaction:hover {
    background: var(--color-message-reaction-hover, color-mix(in srgb, var(--brand-primary) 26%, transparent));
}
.xwui-messagebubble-reaction-mine {
    background: var(--color-message-reaction-own, var(--brand-primary));
    color: var(--color-accent-own, #fff);
}
.xwui-messagebubble-reaction-count {
    font-weight: var(--font-weight-semibold, 600);
}