/**
 * Chat MITA - Estilo WhatsApp Web exacto
 * Dark theme
 */

:root {
    --wa-bg-app: #111b21;
    --wa-bg-panel: #0b141a;
    --wa-bg-chat: #0b141a;
    --wa-bg-input: #1e2a30;
    --wa-bg-sent: #005c4b;
    --wa-bg-received: #1f2c33;
    --wa-border: #2a373f;
    --wa-text-primary: #e9edef;
    --wa-text-secondary: #8696a0;
    --wa-accent: #00a884;
    --wa-header: #1f2c33;

    /* ==========================================================
       COLORES DEL CHAT — AJUSTABLES (revisión con el Sr. Shipper)
       Cambia SOLO estos 4 valores para re-tematizar el chat.
       Cada uno alimenta la regla real vía var() más abajo.
       ========================================================== */
    --chat-bubble-sent: var(--wa-bg-sent);       /* burbujas enviadas (cliente)   */
    --chat-bubble-received: var(--wa-bg-received); /* burbujas recibidas (técnico) */
    --chat-input-bg: var(--wa-bg-input);         /* fondo del campo de texto      */
    --chat-header-bg: var(--wa-header);          /* fondo del header del chat     */
}

/* Patrón de fondo tipo WhatsApp */
.chat-bg-pattern {
    background-color: var(--wa-bg-chat);
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23182229' fill-opacity='0.4'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* Container principal 2 columnas */
.whatsapp-container {
    display: flex;
    height: 100vh;
    background: var(--wa-bg-app);
}

/* Panel izquierdo - Lista de chats */
.chat-list-panel {
    width: 30%;
    min-width: 300px;
    max-width: 420px;
    background: var(--wa-bg-panel);
    border-right: 1px solid var(--wa-border);
    display: flex;
    flex-direction: column;
}

.chat-list-header {
    height: 60px;
    background: var(--wa-header);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
}

.chat-list-header .user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--wa-text-secondary);
}

.chat-list-header .header-actions {
    display: flex;
    gap: 8px;
}

.chat-list-header .header-actions button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--wa-text-secondary);
    cursor: pointer;
}

.chat-list-header .header-actions button:hover {
    background: rgba(255,255,255,0.1);
}

/* Buscador */
.chat-search {
    padding: 8px 12px;
    background: var(--wa-bg-panel);
}

.chat-search input {
    width: 100%;
    padding: 8px 32px 8px 40px;
    border-radius: 8px;
    border: none;
    background: var(--wa-bg-input);
    color: var(--wa-text-primary);
    font-size: 14px;
}

.chat-search input::placeholder {
    color: var(--wa-text-secondary);
}

/* Lista de conversaciones */
.chat-list {
    flex: 1;
    overflow-y: auto;
}

.chat-list-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--wa-border);
    transition: background 0.15s;
}

.chat-list-item:hover {
    background: rgba(255,255,255,0.05);
}

.chat-list-item.active {
    background: var(--wa-bg-input);
}

.chat-list-item .avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--wa-text-secondary);
    margin-right: 12px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--wa-bg-panel);
}

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

.chat-list-item .chat-info-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
}

.chat-list-item .chat-name {
    font-size: 16px;
    color: var(--wa-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-list-item .chat-time {
    font-size: 12px;
    color: var(--wa-text-secondary);
    flex-shrink: 0;
    margin-left: 8px;
}

.chat-list-item .chat-preview {
    font-size: 14px;
    color: var(--wa-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: 4px;
}

.chat-list-item .unread-badge {
    background: var(--wa-accent);
    color: var(--wa-bg-panel);
    font-size: 11px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    margin-left: auto;
}

/* Panel derecho - Conversación */
.chat-conversation-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--wa-bg-chat);
}

/* Header conversación */
.conversation-header {
    height: 60px;
    background: var(--chat-header-bg);
    display: flex;
    align-items: center;
    padding: 0 16px;
    border-bottom: 1px solid var(--wa-border);
}

.conversation-header .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--wa-text-secondary);
    margin-right: 12px;
}

.conversation-header .contact-info {
    flex: 1;
}

.conversation-header .contact-name {
    font-size: 16px;
    color: var(--wa-text-primary);
}

.conversation-header .contact-status {
    font-size: 13px;
    color: var(--wa-text-secondary);
}

.conversation-header .header-actions {
    display: flex;
    gap: 4px;
}

.conversation-header .header-actions button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--wa-text-secondary);
    cursor: pointer;
}

/* Área de mensajes */
.conversation-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px 60px;
}

/* Mensaje individual */
.wa-message {
    max-width: 65%;
    margin-bottom: 2px;
    display: flex;
    flex-direction: column;
}

.wa-message.sent {
    margin-left: auto;
}

.wa-message.received {
    margin-right: auto;
}

.wa-message .bubble {
    padding: 6px 8px 8px 9px;
    border-radius: 8px;
    position: relative;
    box-shadow: 0 1px 0.5px rgba(0,0,0,0.13);
}

.wa-message.sent .bubble {
    background: var(--chat-bubble-sent);
    border-top-right-radius: 0;
}

.wa-message.received .bubble {
    background: var(--chat-bubble-received);
    border-top-left-radius: 0;
}

.wa-message .sender-name {
    font-size: 12.5px;
    font-weight: 500;
    color: var(--wa-accent);
    margin-bottom: 2px;
}

.wa-message .text {
    font-size: 14.2px;
    line-height: 19px;
    color: var(--wa-text-primary);
    white-space: pre-wrap;
    word-wrap: break-word;
}

.wa-message .meta {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
    margin-top: 2px;
}

.wa-message .time {
    font-size: 11px;
    color: rgba(255,255,255,0.6);
}

.wa-message .status {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
}

.wa-message .status.read {
    color: #53bdeb;
}

/* Mensaje de sistema */
.wa-message.system {
    max-width: none;
    margin: 8px auto;
}

.wa-message.system .bubble {
    background: rgba(255,255,255,0.1);
    padding: 5px 12px;
    border-radius: 8px;
    font-size: 12.5px;
    color: var(--wa-text-secondary);
    text-align: center;
}

/* Input área */
.conversation-input {
    padding: 10px 16px;
    background: var(--wa-header);
    display: flex;
    align-items: flex-end;
    gap: 8px;
}

.conversation-input button.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--wa-text-secondary);
    cursor: pointer;
    flex-shrink: 0;
}

.conversation-input button.icon-btn:hover {
    color: var(--wa-text-primary);
}

.conversation-input .input-wrapper {
    flex: 1;
    background: var(--chat-input-bg);
    border-radius: 8px;
    padding: 9px 12px;
    display: flex;
    align-items: center;
}

.conversation-input textarea {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--wa-text-primary);
    font-size: 15px;
    resize: none;
    max-height: 100px;
    line-height: 1.4;
}

.conversation-input textarea::placeholder {
    color: var(--wa-text-secondary);
}

.conversation-input button.send-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--wa-accent);
    color: var(--wa-bg-panel);
    cursor: pointer;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.conversation-input button.send-btn:hover {
    background: #06cf9c;
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
}

.typing-indicator .dots {
    display: flex;
    gap: 3px;
}

.typing-indicator .dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--wa-text-secondary);
    animation: typing 1.4s infinite ease-in-out;
}

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

@keyframes typing {
    0%, 80%, 100% { opacity: 0.3; }
    40% { opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
    .chat-list-panel {
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 100%;
        max-width: none;
        z-index: 10;
        transform: translateX(-100%);
        transition: transform 0.3s;
    }

    .chat-list-panel.visible {
        transform: translateX(0);
    }

    .conversation-messages {
        padding: 16px;
    }

    .wa-message {
        max-width: 85%;
    }
}

/* ============================================
   zMita-7 - WATERMARK MITA - FONDO DEL CHAT
   ============================================ */
.chat-bg-pattern, .conversation-messages, #chat-messages, #messagesContainer {
    background-color: #0b141a;
    position: relative;
}
.chat-bg-pattern::before, .conversation-messages::before, #chat-messages::before, #messagesContainer::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none; opacity: 0.03;
    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200' viewBox='0 0 200 200'%3E%3Ctext x='100' y='100' font-family='Arial, sans-serif' font-size='48' font-weight='bold' fill='%23FFFFFF' text-anchor='middle' dominant-baseline='middle' transform='rotate(-30 100 100)'%3EMITA%3C/text%3E%3C/svg%3E"),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200' viewBox='0 0 200 200'%3E%3Ctext x='100' y='100' font-family='Arial, sans-serif' font-size='48' font-weight='bold' fill='%23FFFFFF' text-anchor='middle' dominant-baseline='middle' transform='rotate(30 100 100)'%3EMITA%3C/text%3E%3C/svg%3E");
    background-size: 300px 300px, 300px 300px;
    background-position: 0 0, 150px 150px;
    z-index: 0;
}
.wa-message { position: relative; z-index: 1; }

/* ============================================
   zMita-11 - FIX ICONOS INPUT + LISTA CLICKEABLE
   ============================================ */
.conversation-input .icon-btn i, .conversation-input button.icon-btn i { font-size: 20px; line-height: 1; }
.icon-btn .fa, .icon-btn .fas, .icon-btn .far, .icon-btn .fab {
    display: inline-block; font-style: normal; text-rendering: auto; -webkit-font-smoothing: antialiased;
}
.icon-btn.recording { color: #ef4444 !important; animation: pulse-recording 1s infinite; }
@keyframes pulse-recording { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* Búsqueda con ícono */
.chat-search { display: flex; align-items: center; gap: 12px; }
.chat-search i { color: var(--wa-text-secondary, #8696a0); }
.chat-search input { flex: 1; padding: 8px 12px; }

/* Lista de chats clickeable */
.chat-list-item .avatar { font-size: 20px; }
.chat-list-item.active { background: rgba(255, 205, 17, 0.1); }
.chat-list-item.en-curso { border-left: 3px solid #22c55e; }
.chat-list-item .chat-badge {
    background: #22c55e; color: #000; font-size: 11px; font-weight: 600;
    padding: 2px 6px; border-radius: 10px; min-width: 20px; text-align: center; margin-left: auto;
}
.chat-list-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px 20px; color: var(--wa-text-secondary, #8696a0); }
.chat-list-empty i { font-size: 48px; margin-bottom: 12px; opacity: 0.5; }

/* ============================================
   zMita-12 - FIX ICONOS VISIBLES + NAV + MENSAJES
   ============================================ */
/* Header del chat: botones visibles */
.conversation-header .header-actions button,
.chat-list-header .header-actions button,
.header-actions .icon-btn {
    background: transparent; border: none; cursor: pointer;
    color: #aebac1 !important; width: 40px; height: 40px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; transition: all .2s;
}
.conversation-header .header-actions button:hover,
.chat-list-header .header-actions button:hover {
    background: rgba(255,255,255,0.1); color: #e9edef !important;
}
.conversation-header .header-actions button i,
.chat-list-header .header-actions button i { font-size: 18px; color: inherit !important; }

/* Input: iconos visibles */
.conversation-input .icon-btn { color: #8696a0 !important; }
.conversation-input .icon-btn:hover { color: #e9edef !important; background: rgba(255,255,255,0.1); }
.conversation-input .icon-btn i { color: inherit !important; font-size: 20px; }
.conversation-input .send-btn { background: #FFCD11 !important; color: #000 !important; }
.conversation-input .send-btn i { color: #000 !important; font-size: 18px; }

/* Header de navegación MITA */
.mita-nav-header {
    display: flex; align-items: center; justify-content: space-between;
    height: 52px; padding: 0 12px; background: #1a1a2e; border-bottom: 1px solid #2a3942;
    position: sticky; top: 0; z-index: 200;
}
.mita-nav-header .nav-back-btn, .mita-nav-header .nav-home-btn {
    width: 40px; height: 40px; border-radius: 50%; border: none; background: transparent;
    color: #FFCD11; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.mita-nav-header .nav-back-btn:hover, .mita-nav-header .nav-home-btn:hover { background: rgba(255,205,17,0.1); }
.mita-nav-header .nav-title { flex: 1; text-align: center; color: #e9edef; font-size: 16px; font-weight: 500; }

/* Cuando hay nav header, el contenedor ocupa el resto */
.whatsapp-container.with-nav { height: calc(100vh - 52px); }

/* Mensajes estilo simple por conversación (sidebar demo) */
.message { display: flex; margin-bottom: 8px; padding: 0 16px; }
.message.sent { justify-content: flex-end; }
.message.received { justify-content: flex-start; }
.message .message-content { max-width: 65%; padding: 8px 12px; border-radius: 8px; }
.message.sent .message-content { background: #005c4b; border-bottom-right-radius: 0; }
.message.received .message-content { background: #202c33; border-bottom-left-radius: 0; }
.message .message-content p { margin: 0; color: #e9edef; font-size: 14px; line-height: 1.4; }
.message .message-time { font-size: 11px; color: #8696a0; float: right; margin-left: 8px; margin-top: 4px; }