/* Chat sidebar — scrolling chat replay panel */

/* Container fills the right sidebar grid area */
.chat-sidebar {
    overflow-y: auto;
    height: 100%;
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--color-border);
}

/* Header: "Chat" title + hide toggle */
.chat-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--color-border);
    padding: 0.5rem 0.75rem;
    flex-shrink: 0;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
}

/* Chat title in header */
.chat-sidebar-title {
    font-weight: 600;
}

/* Approximate timing indicator */
.chat-timing-indicator {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-muted);
    margin-inline-start: 0.5rem;
    font-weight: 400;
}

/* Hide toggle button — × or chevron */
.chat-hide-toggle {
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-muted);
    font-size: 0.75rem;
    padding: 0.15rem 0.4rem;
    cursor: pointer;
    line-height: 1;
}

.chat-hide-toggle:hover {
    color: var(--color-text);
    background: transparent;
}

/* Show toggle — small tab on the right edge when sidebar is hidden */
.chat-show-toggle {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    border: 1px solid var(--color-border);
    border-right: none;
    background: var(--color-surface);
    color: var(--color-muted);
    font-size: 0.7rem;
    padding: 0.4rem 0.2rem;
    cursor: pointer;
    writing-mode: vertical-lr;
    text-orientation: mixed;
    letter-spacing: 0.05em;
    z-index: 10;
}

.chat-show-toggle:hover {
    color: var(--color-text);
    background: var(--color-overlay);
}

/* Message list scrolls inside the flex column */
.chat-message-list {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

/* Individual message */
.chat-message {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0 0.4em;
    padding: 0.1rem 0.5rem;
    margin-bottom: 0.3rem;
    cursor: pointer;
}

.chat-message:hover {
    background: var(--color-surface);
}

/* VOD-relative timestamp — left gutter column */
.chat-timestamp {
    grid-column: 1;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-muted);
    white-space: nowrap;
    padding-top: 0.1em;
}

/* Message content — right column, handle + text inline */
.chat-message-content {
    grid-column: 2;
    font-size: 0.8rem;
    line-height: 1.4;
    word-break: break-word;
}

/* Author display name — inline before text */
.chat-author {
    font-weight: 600;
    color: var(--color-text);
    margin-right: 0.3em;
    white-space: nowrap;
}

/* Message body text — inline with author */
.chat-text {
    color: var(--color-text);
}

/* "Now" divider — marks current playback position */
.chat-now-divider {
    border-top: 2px solid var(--color-primary);
    padding: 0.15rem 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-primary);
    flex-shrink: 0;
}

/* Reply indicator — shown above message text when reply_snippet is Some.
   Spans both grid columns so it doesn't displace the timestamp/content row. */
.chat-reply-indicator {
    grid-column: 1 / -1;
    font-size: 0.7rem;
    color: var(--color-subtle);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
    margin-bottom: 0.15rem;
    padding-left: 0.4em;
}

.chat-reply-indicator:hover {
    color: var(--color-text);
}

.chat-reply-indicator--orphan {
    cursor: default;
}

.chat-reply-indicator--orphan:hover {
    color: var(--color-subtle);
}

/* Error state */
.chat-error {
    text-align: center;
    padding: 1.5rem 1rem;
    color: var(--color-error);
    font-size: 0.8rem;
}

.chat-error p {
    margin-bottom: 0.75rem;
}

.chat-error button {
    padding: 0.35rem 0.75rem;
    background: transparent;
    color: var(--color-error);
    border: 1px solid var(--color-error);
    cursor: pointer;
    font-family: var(--font-ui);
    font-size: 0.75rem;
}

.chat-error button:hover {
    background: var(--color-error);
    color: var(--color-base);
}

/* Empty state */
.chat-empty {
    text-align: center;
    color: var(--color-muted);
    padding: 2rem;
    font-size: 0.85rem;
}

/* Loading state */
.chat-loading {
    padding: 1rem 0.75rem;
    font-size: 0.8rem;
    color: var(--color-muted);
    font-family: var(--font-mono);
}

/* "Jump to now" sticky button — shown when user has manually scrolled */
.chat-jump-to-now {
    position: sticky;
    bottom: 0;
    padding: 0.4rem;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.chat-jump-to-now:hover {
    background: var(--color-overlay);
}