/* SPC Embudo - vista Chats. Todas las clases usan el prefijo spc-chats-.
   Colores: solo var(--mud-palette-*) o variables --spc-chat-* derivadas de la paleta. */

:root {
    --spc-chat-list-width: 360px;
    --spc-chat-side-width: 360px;
    --spc-chat-bar-height: 56px;
    --spc-chat-item-height: 72px;
    --spc-chat-touch: 44px;
    --spc-chat-radius: var(--mud-default-borderradius, 12px);

    --spc-chat-bubble-customer-bg: var(--mud-palette-surface);
    --spc-chat-bubble-customer-border: var(--mud-palette-lines-default);
    --spc-chat-bubble-ai-bg: color-mix(in srgb, var(--mud-palette-primary) 12%, var(--mud-palette-surface));
    --spc-chat-bubble-human-bg: color-mix(in srgb, var(--mud-palette-success) 14%, var(--mud-palette-surface));
    --spc-chat-thread-bg: color-mix(in srgb, var(--mud-palette-text-primary) 4%, var(--mud-palette-background));
    --spc-chat-selected-bg: color-mix(in srgb, var(--mud-palette-primary) 10%, var(--mud-palette-surface));
    --spc-chat-hover-bg: color-mix(in srgb, var(--mud-palette-text-primary) 4%, var(--mud-palette-surface));
    --spc-chat-pill-bg: color-mix(in srgb, var(--mud-palette-text-primary) 8%, var(--mud-palette-surface));
    --spc-chat-warn-bg: color-mix(in srgb, var(--mud-palette-warning) 18%, var(--mud-palette-surface));
    --spc-chat-sender-ai: var(--mud-palette-primary-darken);
    --spc-chat-sender-human: var(--mud-palette-success-darken);
}

/* ---------- Contenedor y layout ---------- */
.spc-chats {
    display: flex;
    flex-direction: column;
    height: calc(100dvh - var(--mud-appbar-height, 64px));
    min-height: 0;
    overflow: hidden;
    background: var(--mud-palette-background);
    color: var(--mud-palette-text-primary);
}

.spc-chats-topbar {
    flex: 0 0 var(--spc-chat-bar-height);
    height: var(--spc-chat-bar-height);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 16px;
    background: var(--mud-palette-surface);
    border-bottom: 1px solid var(--mud-palette-lines-default);
    min-width: 0;
}
.spc-chats-topbar-spacer { flex: 1 1 auto; }

.spc-chats-body {
    flex: 1 1 auto;
    min-height: 0;
    display: grid;
    grid-template-columns: var(--spc-chat-list-width) minmax(0, 1fr) var(--spc-chat-side-width);
    grid-template-rows: minmax(0, 1fr);
}
.spc-chats-body.spc-chats--panel-closed,
.spc-chats--panel-closed .spc-chats-body {
    grid-template-columns: var(--spc-chat-list-width) minmax(0, 1fr);
}

.spc-chats-list,
.spc-chats-main,
.spc-chats-side {
    min-width: 0;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.spc-chats-list { background: var(--mud-palette-surface); border-right: 1px solid var(--mud-palette-lines-default); }
.spc-chats-main { background: var(--spc-chat-thread-bg); position: relative; }
.spc-chats-side {
    background: var(--mud-palette-surface);
    border-left: 1px solid var(--mud-palette-lines-default);
    overflow-y: auto;
}
.spc-chats--panel-closed .spc-chats-side { display: none; }

/* 960-1279: lista 320 + chat; el panel pasa a drawer */
@media (max-width: 1279.98px) {
    :root { --spc-chat-list-width: 320px; }
    .spc-chats-body,
    .spc-chats-body.spc-chats--panel-closed,
    .spc-chats--panel-closed .spc-chats-body {
        grid-template-columns: var(--spc-chat-list-width) minmax(0, 1fr);
    }
    .spc-chats-side { display: none; }
}

/* <960: una columna, maestro-detalle */
@media (max-width: 959.98px) {
    .spc-chats-body,
    .spc-chats-body.spc-chats--panel-closed,
    .spc-chats--panel-closed .spc-chats-body {
        grid-template-columns: minmax(0, 1fr);
    }
    .spc-chats-list { border-right: 0; }
    .spc-chats-main { display: none; }
    .spc-chats--has-selection .spc-chats-list { display: none; } /* oculta, sin desmontar */
    .spc-chats--has-selection .spc-chats-main { display: flex; }
    .spc-chats--has-selection .spc-chats-topbar { display: none; }
    .spc-chats-topbar { padding: 0 8px; gap: 8px; }
}

/* ---------- Cabecera de lista ---------- */
.spc-chats-list-header {
    flex: 0 0 auto;
    padding: 12px 16px 8px;
    border-bottom: 1px solid var(--mud-palette-lines-default);
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}
.spc-chats-list-title {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin: 0;
    font-size: 1.125rem;
    font-weight: 700;
    line-height: 1.3;
}
.spc-chats-list-count { font-size: 0.75rem; font-weight: 500; color: var(--mud-palette-text-secondary); }

.spc-chats-filters {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
    padding-bottom: 2px;
    -webkit-overflow-scrolling: touch;
}
.spc-chats-filters::-webkit-scrollbar { display: none; }

.spc-chats-chip {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    min-height: 32px;
    padding: 0 12px;
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: 999px;
    background: var(--mud-palette-surface);
    color: var(--mud-palette-text-primary);
    font: inherit;
    font-size: 0.8125rem;
    font-weight: 500;
    white-space: nowrap;
    cursor: pointer;
    transition: background-color 150ms ease-out, border-color 150ms ease-out;
}
.spc-chats-chip:hover { background: var(--spc-chat-hover-bg); }
.spc-chats-chip--active {
    background: var(--spc-chat-selected-bg);
    border-color: var(--mud-palette-primary);
    color: var(--mud-palette-primary-darken);
    font-weight: 600;
}
.spc-chats-chip:focus-visible { outline: 2px solid var(--mud-palette-primary); outline-offset: 2px; }
@media (max-width: 959.98px), (pointer: coarse) {
    .spc-chats-chip { min-height: var(--spc-chat-touch); }
}

/* ---------- Lista ---------- */
.spc-chats-list-scroll {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.spc-chats-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    box-sizing: border-box;
    height: var(--spc-chat-item-height);
    padding: 0 16px;
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid color-mix(in srgb, var(--mud-palette-lines-default) 60%, transparent);
    cursor: pointer;
    transition: background-color 150ms ease-out;
}
.spc-chats-item:hover { background: var(--spc-chat-hover-bg); }
.spc-chats-item:focus-visible { outline: 2px solid var(--mud-palette-primary); outline-offset: -2px; }
.spc-chats-item--selected,
.spc-chats-item[aria-current="true"] { background: var(--spc-chat-selected-bg); }
.spc-chats-item--selected:hover { background: var(--spc-chat-selected-bg); }

.spc-chats-avatar {
    position: relative;
    flex: 0 0 40px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--spc-chat-pill-bg);
    color: var(--mud-palette-text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    user-select: none;
}
.spc-chats-avatar-channel {
    position: absolute;
    right: -3px;
    bottom: -3px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--mud-palette-surface);
    border: 1px solid var(--mud-palette-lines-default);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.spc-chats-avatar-channel > * { width: 12px; height: 12px; font-size: 12px; }

.spc-chats-item-body {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.spc-chats-item-row {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}
.spc-chats-item-name {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.3;
}
.spc-chats-item-name-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.spc-chats-item-time {
    flex: 0 0 auto;
    font-size: 0.75rem;
    color: var(--mud-palette-text-secondary);
    white-space: nowrap;
}
.spc-chats-item-preview {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.8125rem;
    line-height: 1.35;
    color: var(--mud-palette-text-secondary);
}
.spc-chats-item-prefix { font-weight: 500; }
.spc-chats-item-chips { display: flex; gap: 4px; min-width: 0; overflow: hidden; }
.spc-chats-item-chip {
    flex: 0 1 auto;
    min-width: 0;
    max-width: 50%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 0 8px;
    border-radius: 999px;
    font-size: 0.6875rem;
    line-height: 18px;
    font-weight: 500;
    background: var(--spc-chat-pill-bg);
    color: var(--mud-palette-text-primary);
}
@media (max-width: 959.98px) {
    .spc-chats-item-chips { display: none; }
}

/* Sin responder: punto + negrita; urgencia en error */
.spc-chats-unanswered-dot {
    flex: 0 0 10px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--mud-palette-primary);
}
.spc-chats-item--unanswered .spc-chats-item-name-text,
.spc-chats-item--unanswered .spc-chats-item-preview {
    font-weight: 700;
    color: var(--mud-palette-text-primary);
}
.spc-chats-item--unanswered .spc-chats-item-time { color: var(--mud-palette-primary-darken); font-weight: 600; }
.spc-chats-urgent {
    flex: 0 0 auto;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--mud-palette-error);
    white-space: nowrap;
}
.spc-chats-item--urgent .spc-chats-item-time { color: var(--mud-palette-text-secondary); font-weight: 400; }

.spc-chats-list-more { padding: 12px 16px; display: flex; justify-content: center; }

/* ---------- Header del chat ---------- */
.spc-chats-header {
    flex: 0 0 var(--spc-chat-bar-height);
    height: var(--spc-chat-bar-height);
    box-sizing: border-box;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 12px;
    background: var(--mud-palette-surface);
    border-bottom: 1px solid var(--mud-palette-lines-default);
    min-width: 0;
}
.spc-chats-header-info { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; }
.spc-chats-header-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.25;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.spc-chats-header-sub {
    font-size: 0.75rem;
    line-height: 1.25;
    color: var(--mud-palette-text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.spc-chats-header-actions { flex: 0 0 auto; display: flex; align-items: center; gap: 4px; }
.spc-chats-back { display: none; }
@media (max-width: 959.98px) {
    .spc-chats-back { display: inline-flex; }
}
.spc-chats-touch {
    min-width: var(--spc-chat-touch);
    min-height: var(--spc-chat-touch);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ---------- Banner de reconexion ---------- */
.spc-chats-reconnect {
    flex: 0 0 auto;
    padding: 4px 12px;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--spc-chat-warn-bg);
    color: var(--mud-palette-text-primary);
    border-bottom: 1px solid var(--mud-palette-lines-default);
}

/* ---------- Hilo ---------- */
.spc-chats-thread-wrap { position: relative; flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; }
.spc-chats-thread {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.spc-chats-load-older { align-self: center; flex: 0 0 auto; }

.spc-chats-msg {
    display: flex;
    flex-direction: column;
    max-width: 65%;
    min-width: 0;
}
@media (max-width: 959.98px) {
    .spc-chats-msg { max-width: 75%; }
    .spc-chats-thread { padding: 8px 12px; }
}
.spc-chats-msg--customer { align-self: flex-start; align-items: flex-start; }
.spc-chats-msg--ai,
.spc-chats-msg--human { align-self: flex-end; align-items: flex-end; }
.spc-chats-msg--grouped { margin-top: -6px; } /* 8px de gap - 6px = 2px */

.spc-chats-sender {
    margin: 4px 8px 2px;
    font-size: 0.6875rem;
    line-height: 1.3;
    font-weight: 600;
    color: var(--mud-palette-text-secondary);
}
.spc-chats-msg--ai .spc-chats-sender { color: var(--spc-chat-sender-ai); }
.spc-chats-msg--human .spc-chats-sender { color: var(--spc-chat-sender-human); }

.spc-chats-bubble {
    position: relative;
    box-sizing: border-box;
    max-width: 100%;
    min-width: 0;
    padding: 8px 12px 6px;
    border-radius: var(--spc-chat-radius);
    font-size: 0.9375rem;
    line-height: 1.45;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    word-break: break-word;
    color: var(--mud-palette-text-primary);
}
.spc-chats-bubble a { color: var(--mud-palette-primary-darken); text-decoration: underline; }
.spc-chats-msg--customer .spc-chats-bubble {
    background: var(--spc-chat-bubble-customer-bg);
    border: 1px solid var(--spc-chat-bubble-customer-border);
    border-top-left-radius: 4px;
}
.spc-chats-msg--ai .spc-chats-bubble { background: var(--spc-chat-bubble-ai-bg); border-top-right-radius: 4px; }
.spc-chats-msg--human .spc-chats-bubble { background: var(--spc-chat-bubble-human-bg); border-top-right-radius: 4px; }
.spc-chats-msg--grouped .spc-chats-bubble { border-top-left-radius: var(--spc-chat-radius); border-top-right-radius: var(--spc-chat-radius); }

.spc-chats-bubble-time {
    display: block;
    margin-top: 2px;
    text-align: right;
    font-size: 0.6875rem;
    line-height: 1.2;
    color: var(--mud-palette-text-secondary);
    white-space: nowrap;
    user-select: none;
}
.spc-chats-bubble-attachment { display: block; max-width: 240px; margin: 0 0 4px; border-radius: 8px; overflow: hidden; }
.spc-chats-bubble-attachment img { display: block; max-width: 100%; max-height: 240px; object-fit: cover; }

/* Menu de acciones de la burbuja (aparece en hover/foco; visible en tactil) */
.spc-chats-bubble-menu {
    position: absolute;
    top: 2px;
    right: 2px;
    opacity: 0;
    transition: opacity 150ms ease-out;
}
.spc-chats-bubble:hover .spc-chats-bubble-menu,
.spc-chats-bubble:focus-within .spc-chats-bubble-menu { opacity: 1; }
@media (hover: none) {
    .spc-chats-bubble-menu { opacity: 1; width: 32px; height: 32px; }
}

/* Separador de dia y eventos */
.spc-chats-day {
    align-self: center;
    flex: 0 0 auto;
    margin: 8px 0 4px;
    padding: 2px 12px;
    border-radius: 999px;
    background: var(--spc-chat-pill-bg);
    color: var(--mud-palette-text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
}
.spc-chats-event {
    align-self: center;
    max-width: 90%;
    text-align: center;
    font-size: 0.75rem;
    line-height: 1.4;
    color: var(--mud-palette-text-secondary);
    overflow-wrap: anywhere;
}
.spc-chats-event-toggle {
    border: 0;
    background: none;
    padding: 4px 8px;
    min-height: 32px;
    font: inherit;
    color: inherit;
    cursor: pointer;
    text-decoration: underline;
}
.spc-chats-event-toggle:focus-visible { outline: 2px solid var(--mud-palette-primary); outline-offset: 2px; }

/* Pildora flotante */
.spc-chats-new-pill {
    position: absolute;
    left: 50%;
    bottom: 12px;
    transform: translateX(-50%);
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    min-height: 36px;
    padding: 0 16px;
    border: 0;
    border-radius: 999px;
    background: var(--mud-palette-primary);
    color: var(--mud-palette-primary-text);
    font: inherit;
    font-size: 0.8125rem;
    font-weight: 600;
    box-shadow: 0 2px 8px color-mix(in srgb, var(--mud-palette-text-primary) 25%, transparent);
    cursor: pointer;
    animation: spc-chats-pill-in 200ms ease-out;
}
.spc-chats-new-pill:focus-visible { outline: 2px solid var(--mud-palette-text-primary); outline-offset: 2px; }
@keyframes spc-chats-pill-in {
    from { opacity: 0; transform: translate(-50%, 8px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}

/* ---------- Composer ---------- */
.spc-chats-composer {
    flex: 0 0 auto;
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 8px 12px;
    background: var(--mud-palette-surface);
    border-top: 1px solid var(--mud-palette-lines-default);
    padding-bottom: max(8px, env(safe-area-inset-bottom));
}
.spc-chats-composer-field { flex: 1 1 auto; min-width: 0; }
.spc-chats-composer-btn {
    flex: 0 0 var(--spc-chat-touch);
    width: var(--spc-chat-touch);
    height: var(--spc-chat-touch);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.spc-chats-composer-error {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 6px 12px;
    font-size: 0.8125rem;
    background: color-mix(in srgb, var(--mud-palette-error) 12%, var(--mud-palette-surface));
    color: var(--mud-palette-text-primary);
    border-top: 1px solid var(--mud-palette-lines-default);
}
.spc-chats-takeover-bar {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 12px;
    background: var(--mud-palette-surface);
    border-top: 1px solid var(--mud-palette-lines-default);
    font-size: 0.875rem;
    color: var(--mud-palette-text-secondary);
}

/* ---------- Estados vacio / skeleton ---------- */
.spc-chats-empty {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 32px 24px;
    text-align: center;
    color: var(--mud-palette-text-secondary);
}
.spc-chats-empty-icon { width: 72px; height: 72px; color: var(--mud-palette-text-disabled); }
.spc-chats-empty-title { margin: 0; font-size: 1rem; font-weight: 600; color: var(--mud-palette-text-primary); }
.spc-chats-empty-text { margin: 0; font-size: 0.875rem; max-width: 32ch; }

.spc-chats-skeleton-item {
    display: flex;
    align-items: center;
    gap: 12px;
    height: var(--spc-chat-item-height);
    padding: 0 16px;
}
.spc-chats-skeleton-lines { flex: 1 1 auto; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.spc-chats-skeleton-bar,
.spc-chats-skeleton-circle,
.spc-chats-skeleton-bubble {
    background: var(--mud-palette-skeleton);
    animation: spc-chats-pulse 1.4s ease-in-out infinite;
}
.spc-chats-skeleton-circle { flex: 0 0 40px; width: 40px; height: 40px; border-radius: 50%; }
.spc-chats-skeleton-bar { height: 12px; border-radius: 6px; }
.spc-chats-skeleton-bar--short { width: 40%; }
.spc-chats-skeleton-bar--long { width: 85%; }
.spc-chats-skeleton-bubble { height: 44px; width: 55%; border-radius: var(--spc-chat-radius); }
.spc-chats-skeleton-bubble--right { align-self: flex-end; width: 45%; }
@keyframes spc-chats-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* ---------- Panel Cliente y venta (hoja inferior <960) ---------- */
.spc-chats-sheet { max-height: 85dvh; overflow-y: auto; }

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
    .spc-chats *,
    .spc-chats *::before,
    .spc-chats *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

/* ---------- Vista a todo el alto ----------
   SpcLayout (estático, no se re-renderiza al cambiar de vista) envuelve @Body en un MudContainer con gutters
   y agrega el footer legal. En vez de tocar el layout o poner una clase en <body> con JS (parpadeo en el
   prerender), se apunta por CSS al contenedor que contiene la vista Chats: solo existe mientras ?vista=chats. */
.mud-main-content .mud-container:has(.spc-chats) {
    max-width: none;
    padding: 0 !important; /* PfStyle.css fuerza padding-top: 1.5rem !important en todo .mud-container */
}
.mud-main-content .mud-container:has(.spc-chats) > footer { display: none; }

/* Drawer temporal de detalle (derecha): cerrado queda fuera de pantalla pero seguía en el orden de tabulación,
   y enfocarlo desplazaba horizontalmente toda la vista. Cerrado se oculta tras terminar la animación de salida. */
.spc-chats-drawer.mud-drawer--closed {
    visibility: hidden;
    transition: transform 225ms cubic-bezier(0, 0, 0.2, 1) 0ms, visibility 0s linear 225ms;
}

/* ---------- Tarea 5: chips del ítem de lista ----------
   --spc-chat-stage lo fija SpcChatListItem inline con el BranchColor de BD (dato, no token). */
.spc-chats-item-chip--stage {
    --spc-chat-stage: var(--mud-palette-text-secondary);
    background: color-mix(in srgb, var(--spc-chat-stage) 16%, var(--mud-palette-surface));
    border: 1px solid color-mix(in srgb, var(--spc-chat-stage) 45%, transparent);
    line-height: 16px;
}
.spc-chats-item-chip--quote {
    background: var(--spc-chat-bubble-human-bg);
    border: 1px solid color-mix(in srgb, var(--mud-palette-success) 45%, transparent);
    color: var(--mud-palette-success-darken);
    line-height: 16px;
}

/* =====================================================================
   Tarea 7: header del chat, chip de etapa, CTA de control y composer
   ===================================================================== */
.spc-chats-back {
    min-width: var(--spc-chat-touch);
    min-height: var(--spc-chat-touch);
    align-items: center;
    justify-content: center;
}
.spc-chats-header-title:focus { outline: none; }
.spc-chats-header-title:focus-visible { outline: 2px solid var(--mud-palette-primary); outline-offset: -2px; }

/* Chip de etapa: --spc-stage-color la fija el componente (dato de BD, validado); sin ella, gris de la paleta. */
.spc-chats-stage { flex: 0 0 auto; min-width: 0; display: inline-flex; }
/* PfStyle.css pinta TODO .mud-menu (el contenedor del activador) con borde y sombra de menu desplegado; en el
   header eso dibujaba una caja alrededor del chip de etapa y del boton "mas acciones". */
.spc-chats .mud-menu,
.spc-chats-drawer .mud-menu { border: 0 !important; box-shadow: none !important; } /* el drawer/hoja viven fuera de .spc-chats */
.spc-chats-stage .mud-menu { display: inline-flex; }
.spc-chats-stage-chip {
    --spc-stage-color: var(--mud-palette-text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    max-width: 200px;
    min-height: 36px;
    padding: 0 4px 0 10px;
    font: inherit;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--mud-palette-text-primary);
    background: color-mix(in srgb, var(--spc-stage-color) 14%, var(--mud-palette-surface));
    border: 1px solid color-mix(in srgb, var(--spc-stage-color) 45%, var(--mud-palette-surface));
    border-radius: 999px;
    cursor: pointer;
}
.spc-chats-stage-chip:hover:not(:disabled) { background: color-mix(in srgb, var(--spc-stage-color) 22%, var(--mud-palette-surface)); }
.spc-chats-stage-chip:focus-visible { outline: 2px solid var(--mud-palette-primary); outline-offset: 2px; }
.spc-chats-stage-chip:disabled { opacity: 0.6; cursor: default; }
.spc-chats-stage-dot {
    flex: 0 0 10px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--spc-stage-color, var(--mud-palette-text-secondary));
}
.spc-chats-stage-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.spc-chats-stage-item { display: inline-flex; align-items: center; gap: 8px; min-width: 160px; }
.spc-chats-stage-item-name { flex: 1 1 auto; }
@media (max-width: 599.98px) {
    .spc-chats-header .spc-chats-header-stage { display: none; }
}

/* CTA de control y chips de estado de control */
.spc-chats-control-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    min-height: 28px;
    padding: 0 10px;
    max-width: 180px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--mud-palette-text-primary);
    background: var(--spc-chat-pill-bg);
    border-radius: 999px;
    white-space: nowrap;
}
.spc-chats-control-chip .spc-chats-cta-label { overflow: hidden; text-overflow: ellipsis; }
.spc-chats-control-chip--mine { background: var(--spc-chat-bubble-human-bg); }
.spc-chats-control-chip--mine .mud-icon-root { color: var(--spc-chat-sender-human); }
@media (max-width: 599.98px) {
    /* Solo icono: la etiqueta sigue disponible para lectores de pantalla (clip, no display:none). */
    .spc-chats-header .spc-chats-cta-label {
        position: absolute;
        width: 1px;
        height: 1px;
        margin: -1px;
        padding: 0;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }
    .spc-chats-cta.mud-button-root {
        min-width: var(--spc-chat-touch);
        min-height: var(--spc-chat-touch);
        padding: 0;
    }
    .spc-chats-cta .mud-button-icon-start { margin: 0; }
    .spc-chats-control-chip { padding: 0; width: 28px; justify-content: center; }
}

/* El header se adapta al ANCHO DE LA COLUMNA del chat, no al del viewport: a 1024px la columna mide ~460px
   (menu lateral 240 + lista 320) y chip de etapa + "Tu atiendes" + "Devolver a IA" + (i) dejaban el nombre en 0px
   y recortaban el boton (i). Debajo de 720px los CTA quedan solo con icono (etiqueta para lectores de pantalla);
   debajo de 440px el chip de etapa tambien se oculta (mobile: pasa al panel "Cliente y venta"). */
.spc-chats-main { container: spc-main / inline-size; }
@container spc-main (max-width: 719.98px) {
    .spc-chats-header .spc-chats-cta-label {
        position: absolute;
        width: 1px;
        height: 1px;
        margin: -1px;
        padding: 0;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }
    .spc-chats-cta.mud-button-root {
        min-width: var(--spc-chat-touch);
        min-height: var(--spc-chat-touch);
        padding: 0;
    }
    .spc-chats-cta .mud-button-icon-start { margin: 0; }
    .spc-chats-control-chip { padding: 0; width: 28px; justify-content: center; }
}
@container spc-main (max-width: 439.98px) {
    .spc-chats-header .spc-chats-header-stage { display: none; }
}

/* Composer */
.spc-chats-composer-field { margin-bottom: 2px; }
.spc-chats-composer-error .mud-button-root { min-height: var(--spc-chat-touch); }
.spc-chats-takeover-bar > span { min-width: 0; }
/* El boton no se encoge: en 390px el texto de la barra es largo y partia "Tomar control" en dos lineas. */
.spc-chats-takeover-bar > .mud-button-root { flex: 0 0 auto; white-space: nowrap; }

/* ---------- Tarea 6: burbujas e hilo (SpcChatBubble / SpcChatThread) ----------
   El texto de la burbuja lleva su propio pre-wrap: así el whitespace del markup entre hijos no genera líneas vacías. */
.spc-chats-bubble { white-space: normal; }
.spc-chats-bubble-text { display: block; white-space: pre-wrap; overflow-wrap: anywhere; }
.spc-chats-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
button.spc-chats-bubble-attachment {
    padding: 0;
    border: 0;
    background: none;
    font: inherit;
    cursor: zoom-in;
}
button.spc-chats-bubble-attachment:focus-visible { outline: 2px solid var(--mud-palette-primary); outline-offset: 2px; }
.spc-chats-attachment-loading {
    width: 240px;
    max-width: 100%;
    height: 160px;
    background: var(--mud-palette-skeleton);
    animation: spc-chats-pulse 1.4s ease-in-out infinite;
}
.spc-chats-attachment-card {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    margin: 0 0 4px;
    padding: 6px 8px;
    border-radius: 8px;
    background: var(--spc-chat-pill-bg);
    color: var(--mud-palette-text-primary);
}
.spc-chats-attachment-name { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.875rem; }
.spc-chats-attachment-actions { display: block; margin: 0 0 2px; }
.spc-chats-image-full { display: block; max-width: 100%; max-height: 75dvh; margin: 0 auto; object-fit: contain; }
.spc-chats-event > div { margin-top: 2px; }

/* =====================================================================
   Tarea 8: panel "Cliente y venta" (columna >= 1280px, drawer 960-1279px, hoja inferior < 960px)
   ===================================================================== */
.spc-chats-sales {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    background: var(--mud-palette-surface);
    color: var(--mud-palette-text-primary);
}
.spc-chats-sales-head {
    flex: 0 0 var(--spc-chat-bar-height);
    height: var(--spc-chat-bar-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 0 4px 0 16px;
    border-bottom: 1px solid var(--mud-palette-lines-default);
}
.spc-chats-sales-title { margin: 0; font-size: 1rem; font-weight: 700; line-height: 1.3; }
.spc-chats-sales-title:focus { outline: none; }
.spc-chats-sales-title:focus-visible { outline: 2px solid var(--mud-palette-primary); outline-offset: 2px; }
.spc-chats-sales-body { flex: 1 1 auto; min-height: 0; overflow-y: auto; overscroll-behavior: contain; }

.spc-chats-sales-summary { border-bottom: 1px solid var(--mud-palette-lines-default); }
.spc-chats-sales-dl { margin: 0; padding: 12px 16px; display: flex; flex-direction: column; gap: 6px; }
.spc-chats-sales-dl > div { display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 8px; font-size: 0.875rem; }
.spc-chats-sales-dl dt { color: var(--mud-palette-text-secondary); }
.spc-chats-sales-dl dd { margin: 0; overflow-wrap: anywhere; font-weight: 500; }

.spc-chats-sales-panels.mud-expansion-panels { background: transparent; }
.spc-chats-sales-section { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; min-width: 0; }
.spc-chats-sales-section > * { max-width: 100%; }
.spc-chats-sales-hint { margin: 0; font-size: 0.8125rem; color: var(--mud-palette-text-secondary); }
.spc-chats-sales-summary-text { margin: 0; font-size: 0.875rem; line-height: 1.5; white-space: pre-wrap; overflow-wrap: anywhere; }
.spc-chats-sales-quotes { list-style: none; margin: 0; padding: 0; width: 100%; display: flex; flex-direction: column; gap: 10px; }
.spc-chats-sales-quote-line { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 8px; }
.spc-chats-sales-quote-meta { display: block; font-size: 0.75rem; color: var(--mud-palette-text-secondary); }

/* Drawer (960-1279) y hoja inferior (< 960): el panel llena el drawer y solo scrollea su cuerpo. */
.spc-chats-drawer .mud-drawer-content,
.spc-chats-sheet .mud-drawer-content { height: 100%; overflow: hidden; }
.spc-chats-sheet { overflow: hidden; border-top-left-radius: var(--spc-chat-radius); border-top-right-radius: var(--spc-chat-radius); }
/* La hoja cerrada queda fuera de pantalla pero MudBlazor la deja position:absolute bajo el viewport: agregaba ~720px
   de scroll a la página. Cerrada se fija al viewport (position:fixed no suma al área desplazable). */
.spc-chats-sheet.mud-drawer--closed { position: fixed; }