/* ============================================================
   section_chats.css — Seção de Chats (AstionLiterário,
   AstionAutores, AstionAnalista)
   ============================================================ */

/* ── Container da seção ──────────────────────────────────── */
#section-chats {
    padding: 0;
    height: calc(100vh - 70px);
    flex-direction: column;
    overflow: hidden;
}

#section-chats.active {
    display: flex;
}

.chats-main-container {
    background: var(--bg-card, #fff);
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    flex: 1;
    min-height: 0;
    display: flex;
    margin: 16px;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.chats-sidebar {
    width: 340px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border, #e0e0e0);
    background: var(--bg-sidebar, #f8f9fa);
}

.chats-sidebar-header {
    padding: 18px 20px;
    border-bottom: 1px solid var(--border, #e0e0e0);
    background: var(--bg-card, #fff);
}

.chats-sidebar-header h2 {
    margin: 0;
    font-size: 17px;
    font-weight: 600;
    color: var(--text, #333);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ── Filtros ─────────────────────────────────────────────── */
.chats-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border, #e0e0e0);
    background: var(--bg-card, #fff);
}

.chats-filter-btn {
    padding: 6px 12px;
    border: 1px solid var(--border, #ddd);
    background: var(--bg-hover, rgba(0,0,0,0.06));
    border-radius: 20px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--text-muted, #555);
}

.chats-filter-btn:hover {
    background: var(--bg-hover, rgba(99, 147, 166, 0.1));
    border-color: var(--primary, #6393A6);
}

.chats-filter-btn.active {
    background: var(--primary, #6393A6);
    /* bg-body é escuro nos temas escuros (e.g. carbon #0a0a0f) e claro nos claros (#f8f9fc),
       criando sempre alto contraste contra --primary que é o inverso */
    color: var(--bg-body, #fff);
    border-color: var(--primary, #6393A6);
    font-weight: 600;
}

/* ── Lista de chats ──────────────────────────────────────── */
.chats-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.chats-list-empty,
.chats-list-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 50px 20px;
    color: var(--text-dim, #999);
    gap: 10px;
    text-align: center;
    font-size: 13px;
}

.chats-list-loading i,
.chats-list-empty i {
    font-size: 36px;
    opacity: 0.5;
}

.chats-list-loading i {
    animation: chats-spin 1s linear infinite;
}

@keyframes chats-spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* ── Item de chat ────────────────────────────────────────── */
.chats-item {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 11px 10px;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.15s;
    margin-bottom: 2px;
}

.chats-item:hover  { background: var(--bg-hover, rgba(99, 147, 166, 0.1)); }
.chats-item.active { background: color-mix(in srgb, var(--primary, #6393A6) 18%, transparent); }
.chats-item.unread { background: color-mix(in srgb, var(--primary, #6393A6) 6%, transparent); }

.chats-item-avatar {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.chats-item-info {
    flex: 1;
    min-width: 0;
}

.chats-item-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--text, #333);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 3px;
}

.chats-item-last {
    font-size: 12px;
    color: var(--text-muted, #666);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chats-item-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    flex-shrink: 0;
}

.chats-item-time {
    font-size: 11px;
    color: var(--text-dim, #999);
}

.chats-item-badge {
    background: var(--primary, #6393A6);
    color: #fff;
    font-size: 11px;
    padding: 2px 7px;
    border-radius: 10px;
    font-weight: 600;
}

.chats-item-type {
    font-size: 10px;
    padding: 2px 5px;
    border-radius: 4px;
    background: var(--bg-hover, rgba(99, 147, 166, 0.12));
    color: var(--primary, #6393A6);
}

/* Badge de contagem de conversas agrupadas */
.chats-item-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    margin-left: 4px;
    font-size: 10px;
    font-weight: 700;
    border-radius: 8px;
    background: var(--primary, #6393A6);
    color: #fff;
    vertical-align: middle;
    line-height: 1;
}

/* ── Área de conversa ────────────────────────────────────── */
.chats-conversation {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-card, #fff);
    min-width: 0;
}

.chats-conversation-empty {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-dim, #999);
    padding: 40px;
    text-align: center;
    gap: 12px;
}

.chats-conversation-empty i  { font-size: 56px; opacity: 0.3; }
.chats-conversation-empty p  { font-size: 15px; margin: 0; }
.chats-conversation-empty small { font-size: 12px; opacity: 0.7; }

/* ── Header da conversa ──────────────────────────────────── */
.chats-conv-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border, #e0e0e0);
    background: var(--bg-card, #fff);
    flex-shrink: 0;
}

.chats-conv-back {
    display: none;
    background: transparent;
    border: none;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-muted, #666);
    font-size: 18px;
    transition: background 0.2s;
}

.chats-conv-back:hover { background: rgba(0,0,0,0.05); }

.chats-conv-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    object-fit: cover;
}

.chats-conv-info h3 {
    margin: 0 0 3px 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--text, #333);
}

.chats-conv-info p {
    margin: 0;
    font-size: 12px;
    color: var(--text-muted, #666);
}

/* ── Área de mensagens ───────────────────────────────────── */
.chats-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
    background: var(--bg-body, #f8f9fa);
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.chats-msg {
    max-width: 70%;
    margin-bottom: 10px;
    display: flex;
    flex-direction: column;
}

.chats-msg.sent     { align-self: flex-end; }
.chats-msg.received { align-self: flex-start; }

.chats-msg-bubble {
    padding: 10px 15px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.45;
    word-wrap: break-word;
}

.chats-msg.sent .chats-msg-bubble {
    background: var(--gradient, linear-gradient(135deg, #6393A6, #4a7a8c));
    color: #fff;
    border-bottom-right-radius: 4px;
}

.chats-msg.received .chats-msg-bubble {
    background: var(--bg-card, #fff);
    color: var(--text, #333);
    border-bottom-left-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.chats-msg-time {
    font-size: 11px;
    color: var(--text-dim, #999);
    margin-top: 3px;
    padding: 0 3px;
}

.chats-msg.sent .chats-msg-time { text-align: right; }

/* ── Mensagem de sistema ─────────────────────────────────── */
.chats-msg.system {
    align-self: center;
    max-width: 95%;
    width: 100%;
    padding: 6px 0;
}

.chats-system-blockquote {
    margin: 0;
    padding: 14px 18px;
    border-left: 4px solid #f59e0b;
    background: linear-gradient(135deg, rgba(245,158,11,0.10), rgba(251,191,36,0.05));
    border-radius: 0 12px 12px 0;
    font-style: normal;
}

/* Compatibilidade com mensagens antigas que usam <blockquote> diretamente */
.chats-msg.system blockquote {
    margin: 0;
    padding: 14px 18px;
    border-left: 4px solid #f59e0b;
    background: linear-gradient(135deg, rgba(245,158,11,0.10), rgba(251,191,36,0.05));
    border-radius: 0 12px 12px 0;
    font-style: normal;
}

.chats-msg.system .system-header {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 8px;
    padding-bottom: 7px;
    border-bottom: 1px solid rgba(245,158,11,0.25);
    font-size: 11px;
    color: #f59e0b;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.system-html-content {
    line-height: 1.7;
    color: var(--text, #222);
}

.chats-msg.system .system-actions {
    display: flex;
    gap: 10px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid rgba(245,158,11,0.15);
    flex-wrap: wrap;
}

.system-btn {
    padding: 9px 18px;
    border: none;
    border-radius: 7px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.system-btn.accept { background: linear-gradient(135deg, #10b981, #059669); color: #fff; }
.system-btn.reject { background: linear-gradient(135deg, #ef4444, #dc2626); color: #fff; }
.system-btn:hover:not(:disabled) { filter: brightness(1.1); transform: translateY(-1px); }
.system-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.system-status {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 8px 14px;
    background: var(--bg-hover, rgba(255,255,255,0.6));
    border-radius: 7px;
    font-size: 13px;
    color: var(--text-muted, #64748b);
}

.system-status.accepted { background: rgba(16,185,129,0.1); color: #059669; }
.system-status.rejected { background: rgba(239,68,68,0.1); color: #dc2626; }

/* ── Input de mensagem ───────────────────────────────────── */
.chats-input-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 18px;
    border-top: 1px solid var(--border, #e0e0e0);
    background: var(--bg-card, #fff);
    flex-shrink: 0;
}

.chats-input {
    flex: 1;
    padding: 11px 15px;
    border: 1px solid var(--border, #e0e0e0);
    border-radius: 22px;
    font-size: 14px;
    outline: none;
    background: var(--bg-card, #fff);
    color: var(--text, #333);
    transition: border-color 0.2s;
}

.chats-input:focus { border-color: var(--primary, #6393A6); }

.chats-send-btn {
    width: 42px;
    height: 42px;
    border: none;
    border-radius: 50%;
    background: var(--gradient, linear-gradient(135deg, #6393A6, #4a7a8c));
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    transition: transform 0.2s, opacity 0.2s;
    flex-shrink: 0;
}

.chats-send-btn:hover:not(:disabled) { transform: scale(1.07); }
.chats-send-btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* ── Responsivo mobile ───────────────────────────────────── */
@media (max-width: 768px) {
    #section-chats { height: calc(100vh - 110px); }

    .chats-main-container {
        margin: 8px;
        position: relative;
    }

    .chats-sidebar {
        width: 100%;
        position: absolute;
        inset: 0;
        z-index: 1;
    }

    .chats-sidebar.hidden { display: none; }

    .chats-conversation {
        position: absolute;
        inset: 0;
        z-index: 2;
        display: none;
    }

    .chats-conversation.active { display: flex; }

    .chats-conv-back { display: flex; }

    .chats-msg { max-width: 88%; }
}