/* ═══════════════════════════════════════════════════════════════════════════
   Chat UX v10 — Estilos para gestão de conversas
   Layout principal migrado para chat-grid.css (CSS Grid premium).
   Este arquivo mantém apenas estilos de componentes internos.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════════════════════════════
   Coluna 2 — Layout interno (estilo widget premium)
   ═══════════════════════════════════════════════════════════════════════════ */

/* Container flex da coluna 2 com padding consistente */
.chat-col2-inner {
    display: flex;
    flex-direction: column;
    padding: 0 !important;
    height: 100%;
    overflow: hidden;
    min-height: 0;
}

/* Header da conversa — usa cor do assistente (--assistant-brand) com fallback Bootstrap */
.chat-col2-inner .chat-header {
    padding: .75rem 1rem;
    margin: 0;
    border-bottom: none;
    /* Fallback para browsers sem color-mix */
    background: linear-gradient(135deg, var(--assistant-brand, var(--bs-primary, #7258da)) 0%, var(--bs-primary, #5a3fd4) 100%);
    color: #fff;
    border-radius: var(--cg-radius-xl, 20px) var(--cg-radius-xl, 20px) 0 0;
    flex-shrink: 0;
}
@supports (background: color-mix(in srgb, red, blue)) {
    .chat-col2-inner .chat-header {
        background: linear-gradient(135deg, var(--assistant-brand, var(--bs-primary, #7258da)) 0%,
                                            color-mix(in srgb, var(--assistant-brand, var(--bs-primary, #7258da)) 85%, #000) 100%);
    }
}

.chat-col2-inner .chat-header h6,
.chat-col2-inner .chat-header .chat-header-assistant-name {
    color: #fff;
}

.chat-col2-inner .chat-header .small.text-muted {
    color: rgba(255, 255, 255, .7) !important;
}

.chat-col2-inner .chat-header .badge {
    background: rgba(255, 255, 255, .2) !important;
    color: #fff !important;
    border: 1px solid rgba(255, 255, 255, .3);
}

.chat-col2-inner .chat-header .hub-status-icon {
    color: #a0ffb4 !important;
}

.chat-col2-inner .chat-header .hub-status-icon.text-secondary {
    color: rgba(255, 255, 255, .5) !important;
}

.chat-col2-inner .chat-header .hub-status-icon.text-warning {
    color: #ffd97a !important;
}

.chat-col2-inner .chat-header img {
    border: 2px solid rgba(255, 255, 255, .3);
}

.chat-col2-inner .chat-header .btn {
    color: #fff;
    border-color: rgba(255, 255, 255, .4);
}

.chat-col2-inner .chat-header .btn:hover {
    background: rgba(255, 255, 255, .15);
}

/* Mensagens — padding consistente como widget (1rem nos lados) */
.chat-col2-inner .message-list {
    padding: 1rem;
}

/* Input — separador visual + padding */
.chat-col2-inner .chat-input-container {
    padding: .5rem 1rem .75rem;
    border-top: 1px solid var(--bs-border-color);
    flex-shrink: 0;
}

/* Tags — alinhado com o padding do message-list */
.chat-col2-inner > .border-bottom {
    padding-left: 1rem;
    padding-right: 1rem;
}

/* ── Dark mode — coluna 2 ──────────────────────────────────────────────── */
[data-bs-theme=dark] .chat-col2-inner .chat-header {
    background: linear-gradient(135deg, #4a3d8f 0%, #352d6b 100%);
}
@supports (background: color-mix(in srgb, red, blue)) {
    [data-bs-theme=dark] .chat-col2-inner .chat-header {
        background: linear-gradient(135deg, color-mix(in srgb, var(--assistant-brand, #4a3d8f) 70%, #000) 0%,
                                            color-mix(in srgb, var(--assistant-brand, #352d6b) 50%, #000) 100%);
    }
}

[data-bs-theme=dark] .chat-col2-inner .chat-input-container {
    border-color: rgba(255, 255, 255, .08);
}

/* ── Container e scroll ──────────────────────────────────────────────────── */

/* #chat-page-container.layout-2 — migrado para chat-grid.css (height chain fix) */

.layout-2 .message-list {
    flex: 1 1 0;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
}

.layout-2 .ai-image-card {
    width: 75%;
}

@media (max-width: 767.98px) {
    .layout-2 .ai-image-card {
        width: 100%;
    }
}

/* ── Sidebar ─────────────────────────────────────────────────────────────── */

.chat-sidebar {
    scrollbar-width: thin;
    scrollbar-color: rgba(0,0,0,0.15) transparent;
    min-width: 0; /* flex shrink: sidebar resiliente a resize */
}

.chat-sidebar .input-group {
    min-width: 0; /* garante que search input encolha com a coluna */
}

.chat-sidebar::-webkit-scrollbar {
    width: 4px;
}

.chat-sidebar::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.15);
    border-radius: 4px;
}

/* ── Conversa Item — Card Premium ────────────────────────────────────────── */

.conversa-item {
    transition: background-color 0.15s ease, box-shadow 0.15s ease;
    border-radius: 0.5rem;
    min-width: 0;
}

.conversa-item .conversa-card {
    border: 1px solid var(--bs-border-color-translucent);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.conversa-item:hover .conversa-card {
    background: rgba(var(--bs-primary-rgb), 0.04);
    border-color: rgba(var(--bs-primary-rgb), 0.2);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.conversa-item .conversa-card.conversa-ativa {
    background: rgba(var(--bs-primary-rgb), 0.06);
    border-left: 3px solid var(--assistant-brand, var(--bs-primary));
    border-color: rgba(var(--bs-primary-rgb), 0.15);
}
@supports (background: color-mix(in srgb, red, blue)) {
    .conversa-item .conversa-card.conversa-ativa {
        background: color-mix(in srgb, var(--assistant-brand, var(--bs-primary)) 6%, transparent);
    }
}

/* Meta line (status, tempo, canal) */
.conversa-meta {
    font-size: 0.65rem;
    line-height: 1;
}

/* Status dot */
.conversa-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
    display: inline-block;
}
.conversa-status-dot.dot-success { background: var(--bs-success); }
.conversa-status-dot.dot-warning { background: var(--bs-warning); }
.conversa-status-dot.dot-info    { background: var(--bs-info); }
.conversa-status-dot.dot-danger    { background: var(--bs-danger); }
.conversa-status-dot.dot-secondary { background: var(--bs-secondary); opacity: 0.5; }
/* Fallback alarmante para status fora do range do enum (forward compat) */
.conversa-status-dot.dot-dark    { background: var(--bs-dark); }

/* Badge compact */
.conversa-badge {
    font-size: 0.55rem;
    padding: 1px 6px;
    font-weight: 600;
}

/* Snippet */
.conversa-snippet {
    font-size: 0.68rem;
    line-height: 1.3;
}

/* Actions button — separated, no overlap */
.conversa-item .conversa-actions {
    position: absolute;
    right: 4px;
    top: 8px;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.conversa-item:hover .conversa-actions {
    opacity: 1;
}

/* Dark mode */
[data-bs-theme=dark] .conversa-item .conversa-card {
    border-color: rgba(255, 255, 255, 0.06);
}
[data-bs-theme=dark] .conversa-item:hover .conversa-card {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.12);
}

/* ── Context Menu ────────────────────────────────────────────────────────── */

/* FIX-UX-3B: Context menu com position:fixed para evitar clipping pelo
   container overflow-y:auto da sidebar. O overlay fica atrás (1040)
   e o menu na frente (1050) com background sólido e sombra. */
.context-menu {
    animation: fadeIn 0.1s ease;
    position: fixed !important;
    z-index: 1050 !important;
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    min-width: 170px;
}

.context-menu .dropdown-item:hover {
    background: rgba(var(--bs-primary-rgb), 0.08);
}

.context-menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 1040;
    background: transparent;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Chat Header ─────────────────────────────────────────────────────────── */

.chat-header {
    border-bottom: 1px solid var(--bs-border-color);
    padding-bottom: 0.75rem;
}

.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
}

.min-width-0 {
    min-width: 0;
}

/* ── Mensagens — Estilo Widget Premium ───────────────────────────────────── */

/* Bolha do assistente (esquerda) — borda brand sutil */
.msg-left .message {
    border-radius: 1rem 1rem 1rem .25rem;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .06);
    border-left: 3px solid var(--assistant-brand, var(--bs-primary, #7258da));
}

/* Bolha do usuário (direita) — cor brand */
li.d-flex.flex-row-reverse .message {
    border-radius: 1rem 1rem .25rem 1rem;
    background: var(--assistant-brand, var(--bs-primary, #7258da));
    color: #fff;
}

/* Links dentro da bolha do usuário */
li.d-flex.flex-row-reverse .message a {
    color: #e0d4ff;
}

/* Bolha do sistema (centro) */
li .bg-light.rounded-pill {
    font-size: .78rem;
}

/* Agrupamento visual — mensagens consecutivas do mesmo autor com menos gap */
.message-list li + li.d-flex.flex-row-reverse:has(+ li.d-flex.flex-row-reverse),
.message-list li.msg-left + li.msg-left {
    margin-top: -4px;
}

/* Separador de data entre mensagens */
.message-date-separator {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 16px 0;
    color: var(--bs-secondary-color);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.message-date-separator::before,
.message-date-separator::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--bs-border-color-translucent);
}

/* Timestamps — sempre visíveis */
.message .time {
    opacity: .5 !important;
    font-size: .68rem;
    color: var(--bs-secondary-color);
    margin-top: 2px;
    position: static !important;
}

/* Timestamp dentro da bolha do usuário (cor clara) */
li.d-flex.flex-row-reverse .message .time {
    color: rgba(255, 255, 255, .6);
}

/* Dark mode — timestamps */
[data-bs-theme=dark] .message .time {
    color: #8a8f9a;
}

/* Dark mode — bolhas */
[data-bs-theme=dark] .msg-left .message {
    background: #2b2f36;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .2);
    border-left-color: var(--assistant-brand, #7258da);
}

[data-bs-theme=dark] li.d-flex.flex-row-reverse .message {
    background: var(--assistant-brand, var(--bs-primary, #7258da));
}

/* ── Message Actions ─────────────────────────────────────────────────────── */

.msg-actions {
    opacity: 0;
    transition: opacity 0.2s ease;
    backdrop-filter: blur(4px);
    border-radius: 8px;
    padding: 2px 4px;
}

.msg-left:hover .msg-actions {
    opacity: 1;
}

.msg-actions .btn-link {
    text-decoration: none;
    font-size: 0.8rem;
}

.msg-actions .btn-link:hover {
    color: var(--bs-primary) !important;
}

/* ── Fontes RAG Panel ────────────────────────────────────────────────────── */

.fontes-panel {
    animation: slideDown 0.2s ease;
    max-height: 300px;
    overflow-y: auto;
    scrollbar-width: thin;
}

.fonte-item {
    transition: background-color 0.15s ease;
}

.fonte-item:hover {
    background-color: rgba(var(--bs-primary-rgb), 0.06) !important;
}

@keyframes slideDown {
    from { opacity: 0; max-height: 0; }
    to { opacity: 1; max-height: 300px; }
}

/* ── Input Area ──────────────────────────────────────────────────────────── */

.btn-ghost {
    background: none;
    border: none;
}

.btn-ghost:hover:not(:disabled) {
    background: rgba(var(--bs-primary-rgb), 0.08);
    border-radius: 0.375rem;
}

.chat-input-wrapper {
    box-shadow: 0 2px 12px rgba(0, 0, 0, .08);
    border-radius: 1.25rem;
    border-color: rgba(0, 0, 0, .08);
    transition: box-shadow .2s ease, border-color .2s ease;
}

.chat-input-wrapper:focus-within {
    box-shadow: 0 2px 16px rgba(var(--bs-primary-rgb), .15);
    border-color: var(--bs-primary);
}

.chat-input-wrapper textarea {
    resize: none;
    max-height: 120px;
}

[data-bs-theme=dark] .chat-input-wrapper {
    box-shadow: 0 2px 12px rgba(0, 0, 0, .25);
    border-color: rgba(255, 255, 255, .1);
}

[data-bs-theme=dark] .chat-input-wrapper:focus-within {
    box-shadow: 0 2px 16px rgba(var(--bs-primary-rgb), .2);
}

/* ── Typing Indicator ────────────────────────────────────────────────────── */

.typing-indicator {
    display: inline-flex;
    gap: 4px;
    align-items: center;
    padding: 4px 0;
}

.typing-indicator span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--bs-primary);
    animation: typingBounce 1.4s infinite ease-in-out both;
}

.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typingBounce {
    0%, 80%, 100% { transform: scale(0.5); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}

/* ── Dark Mode ───────────────────────────────────────────────────────────── */

[data-bs-theme=dark] {
    .conversa-item:hover .conversa-card {
        background: rgba(255,255,255,0.05);
        border-color: rgba(255,255,255,0.12);
    }

    .conversa-item .conversa-card.conversa-ativa {
        background: rgba(255,255,255,0.08);
        border-left-color: var(--assistant-brand, #8b7fd4);
    }

    .chat-sidebar::-webkit-scrollbar-thumb {
        background: rgba(255,255,255,0.2);
    }
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 767.98px) {
    .conversa-item .conversa-actions {
        opacity: 1;
    }
}

/* ── Anexos Preview (v10 — Fase 3) ──────────────────────────────────────── */

.anexos-preview-container {
    max-height: 120px;
    overflow-y: auto;
    scrollbar-width: thin;
}

.anexo-preview-item {
    font-size: 0.82rem;
    transition: background-color 0.15s ease, box-shadow 0.15s ease;
    max-width: 240px;
}

.anexo-preview-item:hover {
    background-color: rgba(var(--bs-primary-rgb), 0.06) !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.anexo-remove-btn {
    opacity: 0.5;
    transition: opacity 0.15s ease;
    font-size: 0.9rem;
}

.anexo-remove-btn:hover {
    opacity: 1;
    color: var(--bs-danger) !important;
}

.cursor-pointer {
    cursor: pointer;
}

/* ── Attachment badges in messages ───────────────────────────────────────── */

.msg-attachment-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.6rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    background: rgba(var(--bs-primary-rgb), 0.08);
    color: var(--bs-primary);
    text-decoration: none;
    transition: background-color 0.15s ease;
    max-width: 200px;
}

.msg-attachment-badge:hover {
    background: rgba(var(--bs-primary-rgb), 0.15);
    text-decoration: none;
}

.msg-attachment-badge .badge-filename {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
}

/* ══════════════════════════════════════════════════════════════════════════
   v10 — RAG Transparency Panel
   ══════════════════════════════════════════════════════════════════════════ */

/* ── Fontes Panel Container ─────────────────────────────────────────────── */

.fontes-panel {
    max-width: 600px;
    animation: fontesPanelIn 0.2s ease-out;
    border-color: rgba(var(--bs-primary-rgb), 0.15) !important;
}

@keyframes fontesPanelIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Score-based Item Styling ───────────────────────────────────────────── */

.fonte-item {
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.rag-score-high {
    border-left: 3px solid #198754;
    background: rgba(25, 135, 84, 0.04);
}

.rag-score-medium {
    border-left: 3px solid #ffc107;
    background: rgba(255, 193, 7, 0.04);
}

.rag-score-low {
    border-left: 3px solid #6c757d;
    background: rgba(108, 117, 125, 0.04);
}

.rag-score-high-badge {
    background: rgba(25, 135, 84, 0.12);
    color: #198754;
}

.rag-score-medium-badge {
    background: rgba(255, 193, 7, 0.15);
    color: #997404;
}

.rag-score-low-badge {
    background: rgba(108, 117, 125, 0.12);
    color: #6c757d;
}

/* ── Score Bar ──────────────────────────────────────────────────────────── */

.rag-score-bar {
    width: 50px;
    height: 4px;
    background: rgba(0, 0, 0, 0.08);
    border-radius: 2px;
    overflow: hidden;
}

.rag-score-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.3s ease;
}

.rag-score-high .rag-score-fill {
    background: #198754;
}

.rag-score-medium .rag-score-fill {
    background: #ffc107;
}

.rag-score-low .rag-score-fill {
    background: #6c757d;
}

/* ── Chunk Content ──────────────────────────────────────────────────────── */

.fonte-chunk-content {
    max-height: 120px;
    overflow-y: auto;
    font-size: 0.78rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
    scrollbar-width: thin;
}

details summary {
    list-style: none;
    cursor: pointer;
}

details summary::-webkit-details-marker {
    display: none;
}

details summary::before {
    content: '▶ ';
    font-size: 0.65rem;
    transition: transform 0.2s ease;
    display: inline-block;
}

details[open] summary::before {
    content: '▼ ';
}

/* ── HasSources Badge on Message ────────────────────────────────────────── */

.msg-actions .btn-link {
    text-decoration: none;
    font-size: 0.8rem;
    transition: color 0.15s ease;
}

.msg-actions .btn-link:hover {
    color: var(--bs-primary) !important;
}

/* ── Cursor pointer utility ─────────────────────────────────────────────── */

.cursor-pointer {
    cursor: pointer;
}

/* ── Min-width utility ──────────────────────────────────────────────────── */

.min-width-0 {
    min-width: 0;
}

/* ═══════════════════════════════════════════════════════════════════════════
   Chat UX v10 — Fase 5: Feedback, Copy, Regenerar, Export Polish
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Ações da mensagem do assistente ────────────────────────────────────── */

.msg-actions {
    opacity: 0;
    transition: opacity 0.2s ease;
}

.msg-left:hover .msg-actions {
    opacity: 1;
}

/* Sempre visível quando há feedback ativo */
.msg-actions:has(.btn-success),
.msg-actions:has(.btn-danger) {
    opacity: 1;
}

.msg-actions .btn {
    font-size: 0.8rem;
    line-height: 1;
    border-radius: 0.375rem;
    transition: all 0.15s ease;
}

.msg-actions .btn:hover {
    background: rgba(var(--bs-primary-rgb), 0.08);
}

.msg-actions .btn-success {
    background: rgba(var(--bs-success-rgb), 0.15) !important;
    color: var(--bs-success) !important;
    border-color: transparent !important;
}

.msg-actions .btn-danger {
    background: rgba(var(--bs-danger-rgb), 0.15) !important;
    color: var(--bs-danger) !important;
    border-color: transparent !important;
}

/* ── Animação de rotação para regenerar ─────────────────────────────────── */

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

.spin-animation {
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

/* ── Feedback visual do botão copiar ────────────────────────────────────── */

.bi-check-lg.text-success {
    animation: fadeInScale 0.3s ease;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ── Header actions polish ──────────────────────────────────────────────── */

.chat-header .btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: all 0.15s ease;
}

.chat-header .btn-icon:hover {
    transform: scale(1.1);
}

/* ── Tooltip styles para ações ──────────────────────────────────────────── */

.msg-actions [title] {
    position: relative;
}

/* ── Mobile: sempre mostrar ações ───────────────────────────────────────── */

@media (max-width: 768px) {
    .msg-actions {
        opacity: 1;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   Chat UX v11 — Painel de Anexos, Busca Full-Text, Layout 3 Colunas
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Painel contextual direito (anexos) ─────────────────────────────────── */

/* workspace-col-right: sizing controlado pelo grid em chat-grid.css */
.workspace-col-right {
    scrollbar-width: thin;
    scrollbar-color: rgba(0,0,0,0.15) transparent;
    animation: slidePanelIn 0.2s ease-out;
    overflow-x: hidden;
}

.workspace-col-right::-webkit-scrollbar {
    width: 4px;
}

.workspace-col-right::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.15);
    border-radius: 4px;
}

@keyframes slidePanelIn {
    from { opacity: 0; transform: translateX(16px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* ── Anexo Card ─────────────────────────────────────────────────────────── */

.anexo-card {
    transition: background-color 0.15s ease, box-shadow 0.15s ease;
}

.anexo-card:hover {
    background: rgba(var(--bs-primary-rgb), 0.06);
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

/* ── Busca Full-Text Results ────────────────────────────────────────────── */

.fts-results {
    animation: fadeIn 0.15s ease;
}

.fts-result-item {
    transition: background-color 0.15s ease;
    font-size: 0.82rem;
}

.fts-result-item:hover {
    background: rgba(var(--bs-primary-rgb), 0.08);
}

/* ── Dark Mode v11 ──────────────────────────────────────────────────────── */

[data-bs-theme=dark] {
    .workspace-col-right {
        scrollbar-color: rgba(255,255,255,0.2) transparent;
    }

    .workspace-col-right::-webkit-scrollbar-thumb {
        background: rgba(255,255,255,0.2);
    }

    .anexo-card:hover {
        background: rgba(255,255,255,0.05);
    }

    .fts-result-item:hover {
        background: rgba(255,255,255,0.06);
    }
}
/* ── Filtros avançados v11 ────────────────────────────────────────────────── */

.filtros-v11 .btn-outline-secondary {
    border-color: var(--bs-border-color);
    font-size: 0.8rem;
}

.filtros-panel {
    animation: filtrosPanelIn 0.15s ease-out;
}

@keyframes filtrosPanelIn {
    from { opacity: 0; max-height: 0; overflow: hidden; }
    to   { opacity: 1; max-height: 200px; overflow: visible; }
}

.filtros-panel .form-control-sm {
    height: 28px;
    padding: 0.15rem 0.4rem;
}

[data-bs-theme=dark] .filtros-panel {
    border-color: rgba(255,255,255,0.1) !important;
}

/* ── Responsive v11 ───────────────────────────────────────────────────────── */
@media (max-width: 991.98px) {
    .workspace-col-right {
        position: fixed;
        right: 0;
        top: 0;
        bottom: 0;
        z-index: 1060;
        background: var(--bs-body-bg);
        box-shadow: -4px 0 16px rgba(0,0,0,0.15);
        border-radius: 0 !important;
        border-left: 1px solid var(--bs-border-color);
        height: 100vh;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   Chat UX v11 Sprint 2 — Infinite Scroll Sentinel & Responsive Polish
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Infinite scroll sentinel ──────────────────────────────────────────── */

#infinite-scroll-sentinel {
    min-height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.infinite-scroll-hint {
    opacity: 0.4;
    font-size: 0.7rem;
    letter-spacing: 2px;
}

/* ── Sidebar responsiva aprimorada ─────────────────────────────────────── */

@media (max-width: 575.98px) {
    .chat-sidebar {
        max-height: 45vh;
        border-radius: 0 !important;
        border-bottom: 1px solid var(--bs-border-color);
    }

    .chat-sidebar h6 {
        font-size: 0.85rem;
    }

    .filtros-v11 .btn {
        font-size: 0.7rem !important;
    }

    .filtros-panel .form-control-sm {
        font-size: 0.68rem !important;
    }

    .chat-header .btn-icon {
        width: 28px;
        height: 28px;
        font-size: 0.78rem;
    }

    .chat-header .d-flex.gap-1 {
        gap: 0.15rem !important;
    }
}

/* ── Tablet breakpoint ─────────────────────────────────────────────────── */

@media (min-width: 576px) and (max-width: 991.98px) {
    .chat-sidebar {
        min-width: 260px;
        max-width: 300px;
    }
}

/* ── Smooth transition para loading state ──────────────────────────────── */

#infinite-scroll-sentinel .spinner-border {
    transition: opacity 0.2s ease;
}

/* ═══════════════════════════════════════════════════════════════════════════
   FIX-UX-03: Scrollbar premium na message-list
   Visível apenas ao interagir (hover/scroll). Estilo fino e discreto.
   ═══════════════════════════════════════════════════════════════════════════ */

/* Firefox */
.message-list {
    scrollbar-width: thin;
    scrollbar-color: transparent transparent;
    transition: scrollbar-color 0.3s ease;
}

.message-list:hover,
.message-list:active {
    scrollbar-color: rgba(0,0,0,0.18) transparent;
}

/* Webkit (Chrome, Edge, Safari) */
.message-list::-webkit-scrollbar {
    width: 6px;
}

.message-list::-webkit-scrollbar-track {
    background: transparent;
}

.message-list::-webkit-scrollbar-thumb {
    background: transparent;
    border-radius: 3px;
    transition: background 0.3s ease;
}

.message-list:hover::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.18);
}

.message-list:hover::-webkit-scrollbar-thumb:hover {
    background: rgba(0,0,0,0.30);
}

/* Dark mode */
[data-bs-theme=dark] .message-list:hover {
    scrollbar-color: rgba(255,255,255,0.20) transparent;
}

[data-bs-theme=dark] .message-list:hover::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.20);
}

[data-bs-theme=dark] .message-list:hover::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.35);
}

/* ── BUG-FIX: Quebra de layout com texto longo sem espaços (v11) ─────────
   Garante que textos contínuos (ex: palavras sem espaço, URLs longas,
   conteúdo de documentos) sejam quebrados antes de transbordar o container.
   overflow-wrap: break-word é o padrão W3C; word-break: break-word é o
   fallback para compatibilidade com Safari/WebKit.
   ─────────────────────────────────────────────────────────────────────── */
.markdown-body {
    overflow-wrap: break-word;
    word-break: break-word;
    min-width: 0;
}

.markdown-body p,
.markdown-body li,
.markdown-body td,
.markdown-body th,
.markdown-body blockquote {
    overflow-wrap: break-word;
    word-break: break-word;
}

/* Código inline: quebra agressiva para evitar overflow */
.markdown-body code:not(pre code) {
    overflow-wrap: break-word;
    word-break: break-all;
}

/* Blocos de código: scroll horizontal, sem quebra forçada */
.markdown-body pre {
    overflow-x: auto;
    white-space: pre;
    word-break: normal;
    overflow-wrap: normal;
}

/* ═══════════════════════════════════════════════════════════════════════════
   Chat UX v12 — Correções de Scroll e Painel de Contexto Dinâmico
   ═══════════════════════════════════════════════════════════════════════════ */

/* FIX-SCROLL-v12: regras .inner-layout obsoletas removidas.
   O workspace.css governa via .workspace-page { overflow: hidden }.
   As regras .inner-layout > * { max-width: 100% } conflitavam com
   flex columns, forçando colunas a empilhar em vez de ficar lado a lado. */

/* FIX-SCROLL-v12: Sidebar não deve causar overflow horizontal */
.chat-sidebar {
    overflow-x: hidden;
}

/* FIX BUG-04: Regras body:has() e height chain migradas para chat-grid.css */

/* ── Agrupamento temporal do histórico (v12) ─────────────────────────────── */

.grupo-temporal-label {
    font-size: 0.68rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--bs-secondary-color);
    padding: 0.5rem 0.25rem 0.25rem;
    margin-top: 0.5rem;
    border-top: 1px solid var(--bs-border-color);
}

.grupo-temporal-label:first-child {
    margin-top: 0;
    border-top: none;
}

/* ── Título editável inline (v12) ────────────────────────────────────────── */

.titulo-editavel {
    background: transparent;
    border: 1px solid transparent;
    padding: 0 4px;
    border-radius: 4px;
    transition: border-color 0.15s ease, background-color 0.15s ease;
    min-width: 80px;
    font-size: 0.82rem;
}

.titulo-editavel:hover {
    border-color: var(--bs-border-color);
    background: rgba(var(--bs-primary-rgb), 0.03);
}

.titulo-editavel:focus {
    border-color: var(--bs-primary);
    background: var(--bs-body-bg);
    outline: none;
    box-shadow: 0 0 0 2px rgba(var(--bs-primary-rgb), 0.15);
}

/* ── Modal de encerramento com avaliação (v12) ───────────────────────────── */

.swal-star {
    font-size: 1.8rem;
    cursor: pointer;
    color: #ccc;
    transition: color 0.15s ease, transform 0.1s ease;
}

.swal-star:hover {
    transform: scale(1.15);
}

.swal-star.active {
    color: #ffc107;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   Chat UX v12 — Agrupamento temporal do histórico
   ═══════════════════════════════════════════════════════════════════════════════ */

.conversa-grupo-label {
    list-style: none;
    padding: 0.35rem 0.5rem 0.15rem;
    margin-top: 0.4rem;
}

.conversa-grupo-label span {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--bs-secondary-color, #6c757d);
    opacity: 0.75;
}

/* ── Snippet da última mensagem na sidebar ── */
.conversa-item .text-muted {
    line-height: 1.2;
    max-width: 100%;
}

/* ── v13: Edição inline de título na sidebar (double-click) ─────────────── */

.conversa-editando {
    background: var(--bs-primary-bg-subtle, rgba(111, 66, 193, 0.06)) !important;
    border-radius: 0.5rem;
}

.titulo-inline-input {
    font-size: 0.8rem;
    padding: 0.2rem 0.4rem;
    border-radius: 0.375rem;
    border: 1.5px solid var(--bs-primary, #6f42c1);
    background: var(--bs-body-bg, #fff);
    color: var(--bs-body-color, #212529);
    min-width: 0;
    flex: 1;
    box-shadow: 0 0 0 2px rgba(111, 66, 193, 0.15);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.titulo-inline-input:focus {
    outline: none;
    border-color: var(--bs-primary, #6f42c1);
    box-shadow: 0 0 0 3px rgba(111, 66, 193, 0.25);
}

.conversa-editando .btn-icon {
    width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.25rem;
    transition: background-color 0.15s ease;
}

.conversa-editando .btn-icon:hover {
    background-color: var(--bs-secondary-bg, #f8f9fa);
}

/* ── Chat UX v15: Indicador de status do hub SignalR ───────────────────────────
   Ícone de wifi minimalista abaixo do nome do assistente no header.
   Pulsa suavemente quando conectado para indicar atividade em tempo real.
   ──────────────────────────────────────────────────────────────────────────────── */
.hub-status-icon {
    transition: color 0.4s ease;
    opacity: 0.85;
    vertical-align: middle;
}

.hub-status-icon.text-success {
    animation: hub-pulse 3s ease-in-out infinite;
}

@keyframes hub-pulse {
    0%, 100% { opacity: 0.85; }
    50%       { opacity: 1;    }
}

/* ── v17: Badge de não-lidas na sidebar ─────────────────────────────────── */
.nao-lidas-badge {
    font-size: 0.6rem;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    padding: 0 5px;
    animation: badge-pop 0.25s ease-out;
}

@keyframes badge-pop {
    0%   { transform: scale(0.5); opacity: 0; }
    70%  { transform: scale(1.15); }
    100% { transform: scale(1);   opacity: 1; }
}

/* Conversa com não-lidas: destaque sutil na sidebar */
.conversa-item:has(.nao-lidas-badge) > button {
    background-color: rgba(var(--bs-primary-rgb), 0.06);
    border-left: 2px solid var(--bs-primary);
}

/* ── v18: Skeleton loading da sidebar ─────────────────────────────────────── */
@keyframes skeleton-shimmer {
    0%   { background-position: -400px 0; }
    100% { background-position: 400px 0; }
}

.skeleton-item {
    background: transparent;
}

.skeleton-avatar,
.skeleton-line {
    background: linear-gradient(90deg,
        rgba(var(--bs-secondary-rgb), 0.10) 25%,
        rgba(var(--bs-secondary-rgb), 0.20) 50%,
        rgba(var(--bs-secondary-rgb), 0.10) 75%);
    background-size: 800px 100%;
    animation: skeleton-shimmer 1.4s ease-in-out infinite;
    border-radius: 6px;
}

.skeleton-avatar {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.skeleton-title {
    height: 12px;
    width: 70%;
}

.skeleton-subtitle {
    height: 10px;
    width: 50%;
}

/* ── v18: Contador de tokens estimado ─────────────────────────────────────── */
.tokens-counter {
    font-size: 0.68rem;
    padding: 0 4px;
    white-space: nowrap;
    align-self: flex-end;
    margin-bottom: 4px;
    transition: color 0.2s ease;
    flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════════════════
   Sprint 4 — Drag-and-Drop File Upload Overlay
   ═══════════════════════════════════════════════════════════════════════════ */

/* Overlay exibido quando o usuário arrasta arquivos sobre a área de chat.
   Posicionado de forma absoluta dentro do .body-area (position:relative). */
.drag-overlay {
    position: absolute;
    inset: 0;
    z-index: 100;
    background: rgba(var(--bs-primary-rgb), 0.08);
    border: 2px dashed var(--bs-primary);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    animation: dragOverlayIn 0.15s ease-out;
}

.drag-overlay-content {
    text-align: center;
    color: var(--bs-primary);
    pointer-events: none;
}

@keyframes dragOverlayIn {
    from { opacity: 0; transform: scale(0.98); }
    to   { opacity: 1; transform: scale(1); }
}

/* Dark mode */
[data-bs-theme=dark] .drag-overlay {
    background: rgba(var(--bs-primary-rgb), 0.12);
}

/* Column Resizer styles moved to workspace.css (padrão reutilizável) */

/* ── Harmonia interna sob redimensionamento ────────────────────────────── */

/* Tabs do right panel: responsivos em larguras estreitas */
.workspace-col-right .nav-pills {
    flex-wrap: nowrap;
}

.workspace-col-right .nav-pills .nav-link {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
    padding: 0.25rem 0.5rem;
}

/* Attachment badges e previews: max-width relativo ao container */
.workspace-col-right .msg-attachment-badge {
    max-width: 100%;
}

.workspace-col-right .anexo-preview-item {
    max-width: 100%;
}

/* Stat cards internos: responsivos */
.workspace-col-right .border.rounded-3 {
    min-width: 0;
    overflow: hidden;
}

/* Branding da assistente — CSS variable injetada pelo Chat.razor */
.chat-assistant-brand {
    --assistant-brand: var(--bs-primary);
}

.chat-assistant-brand .chat-header-assistant-name {
    color: var(--assistant-brand);
}

.chat-assistant-brand .assistant-bubble-accent {
    border-left: 3px solid var(--assistant-brand);
}

/* conversa-ativa movido para .conversa-card.conversa-ativa (seção Conversa Item) */