/* =========================================================================
   messenger.css — Full-page split-panel messenger
   ========================================================================= */

/* ── layout ──────────────────────────────────────────────────────────────── */
.messenger-full {
    display: flex;
    height: calc(100vh - var(--navbar-height, 60px));
    background: var(--bg-primary, #0f0f0f);
    overflow: hidden;
}

/* ── sidebar ─────────────────────────────────────────────────────────────── */
.messenger-sidebar {
    display: flex;
    flex-direction: column;
    width: 300px;
    min-width: 220px;
    border-right: 1px solid var(--border-color, rgba(168,85,247,0.15));
    background: var(--bg-secondary, #111);
    flex-shrink: 0;
}

.messenger-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1rem 0.5rem;
    border-bottom: 1px solid var(--border-color, rgba(168,85,247,0.12));
}

.messenger-sidebar-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #f0f0f0);
    margin: 0;
}

.messenger-new-btn {
    background: none;
    border: none;
    color: var(--accent, #a855f7);
    cursor: pointer;
    font-size: 1rem;
    padding: 4px 8px;
    border-radius: 6px;
    transition: background 150ms;
}
.messenger-new-btn:hover { background: var(--hover-bg, rgba(168,85,247,0.1)); }

.messenger-sidebar-search {
    padding: 0.5rem 0.75rem;
}
.messenger-search-input {
    width: 100%;
    background: var(--bg-tertiary, #1a1a1a);
    border: 1px solid var(--border-color, rgba(168,85,247,0.15));
    border-radius: 20px;
    color: var(--text-primary, #f0f0f0);
    font-size: 0.85rem;
    padding: 0.4rem 0.85rem;
    outline: none;
    transition: border-color 150ms;
    box-sizing: border-box;
}
.messenger-search-input:focus { border-color: var(--accent, #a855f7); }

.messenger-sidebar-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.25rem 0;
}
.messenger-sidebar-list::-webkit-scrollbar { width: 4px; }
.messenger-sidebar-list::-webkit-scrollbar-thumb { background: var(--border-color, rgba(168,85,247,0.2)); border-radius: 2px; }

/* ── conversation items ─────────────────────────────────────────────────── */
.messenger-conv-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.6rem 0.75rem;
    cursor: pointer;
    transition: background 150ms;
    border-radius: 0;
    position: relative;
}
.messenger-conv-item:hover { background: var(--hover-bg, rgba(168,85,247,0.07)); }
.messenger-conv-item.active { background: var(--accent-muted, rgba(168,85,247,0.12)); }
.messenger-conv-item.unread .messenger-conv-name { font-weight: 700; }
.messenger-conv-item.unread .messenger-conv-preview { color: var(--text-primary, #f0f0f0); font-weight: 500; }

.messenger-conv-avatar {
    position: relative;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
}
.messenger-conv-avatar-initial {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-muted, rgba(168,85,247,0.2));
    color: var(--accent, #a855f7);
    font-size: 1rem;
    font-weight: 700;
}
.online-dot {
    position: absolute;
    bottom: 1px;
    right: 1px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #22c55e;
    border: 2px solid var(--bg-secondary, #111);
}
.messenger-conv-group-icon {
    position: absolute;
    bottom: 0;
    right: 0;
    font-size: 0.6rem;
    color: var(--accent, #a855f7);
    background: var(--bg-secondary, #111);
    border-radius: 50%;
    padding: 1px 3px;
}

.messenger-conv-info {
    flex: 1;
    min-width: 0;
}
.messenger-conv-name-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.25rem;
}
.messenger-conv-name {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-primary, #f0f0f0);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.messenger-conv-username {
    font-size: 0.72rem;
    color: var(--text-secondary, #999);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.messenger-conv-time {
    font-size: 0.7rem;
    color: var(--text-secondary, #999);
    white-space: nowrap;
    flex-shrink: 0;
}
.messenger-conv-footer-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.25rem;
}
.messenger-conv-preview {
    font-size: 0.8rem;
    color: var(--text-secondary, #999);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.messenger-conv-badge {
    background: var(--accent, #a855f7);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    border-radius: 10px;
    padding: 1px 6px;
    min-width: 18px;
    text-align: center;
    flex-shrink: 0;
}

/* ── empty states ────────────────────────────────────────────────────────── */
.messenger-empty-convs,
.messenger-empty-msg,
.messenger-chat-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--text-secondary, #666);
    padding: 2rem 1rem;
    text-align: center;
}
.messenger-empty-convs i,
.messenger-empty-msg i,
.messenger-chat-empty i {
    font-size: 2rem;
    color: var(--border-color, rgba(168,85,247,0.3));
}
.messenger-empty-convs p,
.messenger-empty-msg p,
.messenger-chat-empty p {
    font-size: 0.9rem;
    margin: 0;
}

/* ── chat area ───────────────────────────────────────────────────────────── */
.messenger-chat {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--bg-primary, #0f0f0f);
}

.messenger-chat-header {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color, rgba(168,85,247,0.12));
    background: var(--bg-secondary, #111);
}
.messenger-chat-header-user {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}
.messenger-chat-avatar {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
}
.messenger-chat-avatar-initial {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--accent-muted, rgba(168,85,247,0.2));
    color: var(--accent, #a855f7);
    font-size: 1rem;
    font-weight: 700;
}
.messenger-chat-header-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary, #f0f0f0);
}
.messenger-chat-header-handle {
    font-size: 0.78rem;
    color: var(--text-secondary, #999);
}

.messenger-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0;
}
.messenger-chat-messages::-webkit-scrollbar { width: 4px; }
.messenger-chat-messages::-webkit-scrollbar-thumb { background: var(--border-color, rgba(168,85,247,0.2)); border-radius: 2px; }

/* ── message cards in chat ───────────────────────────────────────────────── */
.messenger-chat-messages .message {
    display: flex;
    align-items: flex-end;
    gap: 0.4rem;
    margin-bottom: -2px;
}
.messenger-chat-messages .message.msg-last,
.messenger-chat-messages .message.msg-solo {
    margin-bottom: 8px;
}
.messenger-chat-messages .message.own-message {
    flex-direction: row-reverse;
}
/* Indent received bubbles that belong to a run (no avatar rendered) so they
   align with the first bubble's left edge:  32px avatar + 0.4rem gap          */
.messenger-chat-messages .recv-message.no-avatar {
    padding-left: calc(32px + 0.4rem);
}
.messenger-chat-messages .message-bubble {
    max-width: 70%;
    background: var(--bg-secondary, #1a1a1a);
    border-radius: 16px 16px 16px 4px;
    padding: 0.5rem 0.75rem;
}
.messenger-chat-messages .own-message .message-bubble {
    background: var(--accent-muted, rgba(168,85,247,0.18));
    border-radius: 16px 16px 4px 16px;
}

/* ── Bubble position within a same-sender run ───────────────────────────── */
/* recv: pivot/tail is on the left (toward avatar)                           */
.messenger-chat-messages .recv-message.msg-solo  .message-bubble { border-radius: 16px 16px 16px 4px; }
.messenger-chat-messages .recv-message.msg-first .message-bubble { border-radius: 4px  16px 16px 16px; }
.messenger-chat-messages .recv-message.msg-mid   .message-bubble { border-radius: 4px  16px 16px 4px; }
.messenger-chat-messages .recv-message.msg-last  .message-bubble { border-radius: 4px  16px 16px 4px; }
/* own: pivot/tail is on the right (toward own avatar)                       */
.messenger-chat-messages .own-message.msg-solo   .message-bubble { border-radius: 16px 16px 4px 16px; }
.messenger-chat-messages .own-message.msg-first  .message-bubble { border-radius: 16px 4px  16px 16px; }
.messenger-chat-messages .own-message.msg-mid    .message-bubble { border-radius: 16px 4px  4px  16px; }
.messenger-chat-messages .own-message.msg-last   .message-bubble { border-radius: 16px 4px  4px  16px; }

.messenger-chat-messages .message-content {
    font-size: 0.9rem;
    color: var(--text-primary, #f0f0f0);
    word-break: break-word;
}
/* Meta row: time-ago left, status icon right */
.messenger-chat-messages .message-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.4rem;
    margin-top: 3px;
}
.messenger-chat-messages .message-time {
    font-size: 0.68rem;
    color: var(--text-secondary, #888);
    white-space: nowrap;
}
.messenger-chat-messages .message-header {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent, #a855f7);
    margin-bottom: 2px;
}

/* ── status icon colours ─────────────────────────────────────────────────── */
.message-status { font-size: 0.68rem; display: inline-flex; align-items: center; }
.msg-status--pending  { color: var(--text-secondary, #888); }
.msg-status--sent     { color: var(--text-secondary, #888); }
.msg-status--delivered{ color: var(--text-secondary, #aaa); }
.msg-status--read     { color: var(--accent, #a855f7); }

/* Sending spinner — replaces status icons while the optimistic message is in-flight */
@keyframes msg-spin { to { transform: rotate(360deg); } }
.msg-sending-spinner {
    display: inline-block;
    width:  0.7rem;
    height: 0.7rem;
    border: 1.5px solid var(--text-secondary, #888);
    border-top-color: transparent;
    border-radius: 50%;
    animation: msg-spin 600ms linear infinite;
    vertical-align: middle;
}

/* ── composer in chat ────────────────────────────────────────────────────── */
.messenger-chat-composer {
    border-top: 1px solid var(--border-color, rgba(168,85,247,0.12));
    padding: 0.5rem;
    background: var(--bg-secondary, #111);
}

/* ── typing indicator atom inside the full-page chat ─────────────────────── */
/* Overrides content-renderer.css defaults so it sits flush above the composer */
.messenger-typing-indicator {
    padding-left: 1rem;
    padding-right: 1rem;
    background: var(--bg-primary, #0f0f0f);
    /* remove the max-height transition so it doesn't push layout when hidden */
    overflow: hidden;
}

/* ── responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
    .messenger-sidebar {
        width: 100%;
        border-right: none;
    }
    .messenger-chat {
        display: none;
    }
    .messenger-full.chat-open .messenger-sidebar { display: none; }
    .messenger-full.chat-open .messenger-chat { display: flex; }
}