/* Chat Page Layout Control */
body.chat-page .page {
    display: block !important;
    grid-template-columns: none !important;
    grid-template-rows: none !important;
    height: 100vh !important;
    overflow: hidden !important;
}

body.chat-page .main-nav,
body.chat-page .sidebar {
    display: none !important;
}

body.chat-page main {
    position: static !important;
    flex: none !important;
    overflow: visible !important;
    width: 100% !important;
    height: 100% !important;
    grid-column: auto !important;
    grid-row: auto !important;
}

/* Tema escuro */
.dark-theme {
    --background: #181a1b;
    --sidebar-bg: #23272a;
    --sidebar-border: #23272a;
    --header-bg: #23272a;
    --header-text: #f1f1f1;
    --contact-bg: #23272a;
    --contact-hover: #2c2f33;
    --contact-active: #36393f;
    --contact-name: #f1f1f1;
    --contact-phone: #b9bbbe;
    --contact-last-message: #b9bbbe;
    --chat-bg: #181a1b;
    --message-bg: #23272a;
    --message-sent-bg: #2e7d32;
    --message-received-bg: #23272a;
    --message-text: #f1f1f1;
    --input-bg: #23272a;
    --input-text: #f1f1f1;
    --input-border: #36393f;
    --button-bg: #23272a;
    --button-hover: #36393f;
    --scrollbar-thumb: #444;
    --scrollbar-track: #23272a;
}

body.dark-theme, .dark-theme .chat-container {
    background: var(--background) !important;
}
.dark-theme .contacts-sidebar {
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
}
.dark-theme .contacts-header {
    background: var(--header-bg);
    color: var(--header-text);
}
.dark-theme .contacts-list {
    background: var(--sidebar-bg);
    color: var(--header-text);
}
.dark-theme .contact-item {
    background: var(--contact-bg);
    color: var(--contact-name);
}
.dark-theme .contact-item:hover {
    background: var(--contact-hover);
}
.dark-theme .contact-item.active {
    background: var(--contact-active);
}
.dark-theme .contact-name {
    color: var(--contact-name);
}
.dark-theme .contact-phone, .dark-theme .contact-last-message {
    color: var(--contact-phone);
}
.dark-theme .chat-area {
    background: var(--chat-bg);
}
.dark-theme .chat-header {
    background: var(--header-bg);
    color: var(--header-text);
}
.dark-theme .messages-container {
    background: var(--chat-bg);
}
.dark-theme .message-content {
    background: var(--message-bg);
    color: var(--message-text);
}
.dark-theme .message-sent .message-content {
    background: var(--message-sent-bg);
    color: #fff;
}
.dark-theme .message-received .message-content {
    background: var(--message-received-bg);
    color: var(--message-text);
}
.dark-theme .message-time, .dark-theme .message-caption {
    color: #b9bbbe;
}
.dark-theme .message-input-area {
    background: var(--input-bg);
}
.dark-theme .message-input {
    background: var(--input-bg);
    color: var(--input-text);
    border: 1px solid var(--input-border);
}
.dark-theme .message-input:focus {
    border-color: #25d366;
}
.dark-theme .media-button, .dark-theme .send-button {
    background: var(--button-bg);
    color: var(--header-text);
    border: 1px solid var(--input-border);
}
.dark-theme .media-button:hover {
    background: var(--button-hover);
    color: #25d366;
}
.dark-theme .send-button {
    background: #25d366;
    color: #fff;
}
.dark-theme .send-button:hover:not(:disabled) {
    background: #1da851;
}
.dark-theme .contacts-list::-webkit-scrollbar-thumb,
.dark-theme .messages-container::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
}
.dark-theme .contacts-list::-webkit-scrollbar-track,
.dark-theme .messages-container::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}
.theme-toggle {
    background: none;
    border: none;
    color: #25d366;
    cursor: pointer;
    margin-left: 10px;
    transition: color 0.2s;
}
.theme-toggle:hover {
    color: #1da851;
}

/* Chat Interface Styles - Embedded Version */
.chat-container-embedded {
    display: flex;
    height: calc(100vh - 120px); /* Adjust for navigation and header */
    min-height: 600px;
    background: #f0f2f5;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    overflow: hidden;
    
    /* Cross-browser compatibility fixes */
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    
    /* Ensure consistent flexbox behavior */
    -webkit-flex-direction: row;
    -ms-flex-direction: row;
    flex-direction: row;
    
    /* Force hardware acceleration for smoother performance */
    -webkit-transform: translateZ(0);
    -moz-transform: translateZ(0);
    -ms-transform: translateZ(0);
    transform: translateZ(0);
}

/* Full-screen chat container (kept for backward compatibility) */
.chat-container {
    display: flex;
    height: 100vh;
    background: #f0f2f5;
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    z-index: 1000;
    
    /* Cross-browser compatibility fixes */
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    
    /* Ensure consistent flexbox behavior */
    -webkit-flex-direction: row;
    -ms-flex-direction: row;
    flex-direction: row;
    
    /* Force hardware acceleration for smoother performance */
    -webkit-transform: translateZ(0);
    -moz-transform: translateZ(0);
    -ms-transform: translateZ(0);
    transform: translateZ(0);
    
    /* Edge-specific height fixes */
    min-height: 100vh;
    max-height: 100vh;
}

.contacts-sidebar {
    width: 350px;
    min-width: 300px;
    background: white;
    border-right: 1px solid #e9ecef;
    display: flex;
    flex-direction: column;
}

/* Estado colapsado */
.contacts-sidebar.collapsed {
    width: 72px;
    min-width: 72px;
    transition: width .25s ease;
    overflow: hidden;
}

.contacts-sidebar.collapsed .contacts-header h4,
.contacts-sidebar.collapsed .contacts-header .search-box,
.contacts-sidebar.collapsed .contact-info,
.contacts-sidebar.collapsed .contact-meta {
    display: none !important;
}

.contacts-sidebar.collapsed .contact-item {
    padding: 10px 8px;
    justify-content: center;
}

.contacts-sidebar.collapsed .contact-avatar img {
    width: 44px;
    height: 44px;
}

.contacts-sidebar .sidebar-toggle {
    width: 32px;
    height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.contacts-sidebar.collapsed .sidebar-toggle i {
    transform: translateX(0);
}

.contacts-sidebar.collapsed:hover {
    width: 260px; /* hover peek */
}

.contacts-sidebar.collapsed:hover .contacts-header h4,
.contacts-sidebar.collapsed:hover .contact-info,
.contacts-sidebar.collapsed:hover .contact-meta {
    display: block !important;
}

.contacts-header {
    padding: 15px;
    border-bottom: 1px solid #e9ecef;
    background: #f8f9fa;
    flex-shrink: 0;
}

.contacts-header h4 {
    margin: 0 0 10px 0;
    color: #25d366;
}

.search-box {
    position: relative;
}

.search-box input {
    padding-right: 30px;
}

.search-box i {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #888;
}

.contacts-list {
    flex: 1;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #ccc #f8f9fa;
}

.contacts-list::-webkit-scrollbar {
    width: 6px;
}

.contacts-list::-webkit-scrollbar-track {
    background: #f8f9fa;
}

.contacts-list::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

.contact-item {
    display: flex;
    padding: 12px 15px;
    cursor: pointer;
    border-bottom: 1px solid #f1f1f1;
    transition: background-color 0.2s;
}

.contact-item:hover {
    background-color: #f5f5f5;
}

.contact-item.active {
    background-color: #e3f2fd;
}

.contact-avatar img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.contact-info {
    flex: 1;
    margin-left: 12px;
    overflow: hidden;
    min-width: 0;
}

.contact-name {
    font-weight: 600;
    margin-bottom: 2px;
    color: #1f2937;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.contact-phone {
    font-size: 0.8em;
    color: #6b7280;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.contact-last-message {
    font-size: 0.85em;
    color: #6b7280;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.contact-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    margin-left: 8px;
    flex-shrink: 0;
}

.contact-time {
    font-size: 0.75em;
    color: #6b7280;
    margin-bottom: 4px;
}

.unread-indicator {
    width: 12px;
    height: 12px;
    background: #25d366;
    border-radius: 50%;
}

.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: white;
    min-width: 0;
}

.chat-empty {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.empty-state {
    text-align: center;
    color: #6b7280;
}

.chat-header {
    padding: 15px 20px;
    border-bottom: 1px solid #e9ecef;
    background: #f8f9fa;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.chat-contact-info {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
}

.chat-avatar img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.chat-contact-details {
    margin-left: 12px;
    min-width: 0;
    flex: 1;
}

.chat-contact-name {
    font-weight: 600;
    color: #1f2937;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-contact-phone {
    font-size: 0.85em;
    color: #6b7280;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.chat-actions .btn {
    min-width: 36px;
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s;
    border: 1px solid #ddd;
}

.chat-actions .btn:hover {
    background-color: #f1f1f1;
}

.messages-container {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background: #e5ddd5;
    background-image: url("data:image/svg+xml,%3csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3e%3cg fill='%23c8d6e5' fill-opacity='0.1'%3e%3cpath d='M20 20c0-11.046-8.954-20-20-20v20z'/%3e%3c/g%3e%3c/svg%3e");
    scrollbar-width: thin;
    scrollbar-color: #ccc #e5ddd5;
}

.messages-container::-webkit-scrollbar {
    width: 6px;
}

.messages-container::-webkit-scrollbar-track {
    background: #e5ddd5;
}

.messages-container::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

.message-date-seperator {
    text-align: center;
    margin: 15px 0;
}

.message-date-seperator span {
    background: rgba(0,0,0,0.05);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8em;
    color: #6b7280;
}

.message {
    margin-bottom: 8px;
    display: flex;
    flex-direction: column;
    max-width: 75%;
    word-wrap: break-word;
}

.message-sent {
    align-self: flex-end;
    align-items: flex-end;
}

.message-received {
    align-self: flex-start;
    align-items: flex-start;
}

.message-content {
    background: white;
    padding: 8px 12px;
    border-radius: 8px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
    word-wrap: break-word;
    word-break: break-word;
    white-space: pre-wrap;
    max-width: 100%;
    overflow-wrap: break-word;
}

.message-sent .message-content {
    background: #dcf8c6;
}

/* Estilos para mensagens de média */
.message-media {
    max-width: 300px;
    border-radius: 8px;
    overflow: hidden;
}

.message-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.message-image:hover {
    opacity: 0.9;
}

.message-document {
    display: flex;
    align-items: center;
    padding: 10px;
    background: rgba(0,0,0,0.05);
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.message-document:hover {
    background: rgba(0,0,0,0.1);
}

.message-document-icon {
    width: 40px;
    height: 40px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 10px;
    font-size: 18px;
}

.message-document-info {
    flex: 1;
    min-width: 0;
}

.message-document-name {
    font-weight: 600;
    color: #1f2937;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.message-document-size {
    font-size: 0.8em;
    color: #6b7280;
}

.message-audio {
    display: flex;
    align-items: center;
    padding: 10px;
    background: rgba(0,0,0,0.05);
    border-radius: 8px;
    min-width: 200px;
}

.message-audio-button {
    width: 40px;
    height: 40px;
    background: #25d366;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    margin-right: 10px;
    transition: background-color 0.2s;
}

.message-audio-button:hover {
    background: #1da851;
}

.message-audio-info {
    flex: 1;
    min-width: 0;
}

.message-audio-duration {
    font-size: 0.9em;
    color: #1f2937;
    margin-bottom: 2px;
}

.message-audio-waveform {
    height: 20px;
    background: linear-gradient(90deg, #25d366 0%, #25d366 30%, #ccc 30%, #ccc 100%);
    border-radius: 10px;
}

.message-video {
    position: relative;
    max-width: 300px;
    border-radius: 8px;
    overflow: hidden;
}

.message-video video {
    width: 100%;
    height: auto;
    display: block;
}

.message-video-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(0,0,0,0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.message-video-overlay:hover {
    background: rgba(0,0,0,0.9);
}

.message-caption {
    margin-top: 6px;
    font-size: 0.9em;
    color: #1f2937;
    word-wrap: break-word;
}

.message-time {
    font-size: 0.7em;
    color: #6b7280;
    margin-top: 2px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.message-status.sent {
    color: #6b7280;
}

.message-status.delivered {
    color: #25d366;
}

.message-status.read {
    color: #4fc3f7;
}

.message-status.error {
    color: #dc3545;
}

.message-input-area {
    padding: 15px 20px;
    border-top: 1px solid #e9ecef;
    background: white;
    flex-shrink: 0;
}

.input-container {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.message-input {
    flex: 1;
    border-radius: 25px;
    padding: 10px 16px;
    border: 1px solid #ddd;
    outline: none;
    transition: border-color 0.2s;
    resize: none;
    min-height: 44px;
    max-height: 120px;
}

.message-input:focus {
    border-color: #25d366;
    box-shadow: 0 0 0 2px rgba(37, 211, 102, 0.1);
}

.media-input-container {
    display: flex;
    gap: 8px;
    align-items: center;
}

.media-button {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #f8f9fa;
    border: 1px solid #ddd;
    color: #6b7280;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
}

.media-button:hover {
    background: #e9ecef;
    color: #25d366;
    transform: scale(1.05);
}

.media-button:active {
    transform: scale(0.95);
}

.send-button {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #25d366;
    border: none;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s;
}

.send-button:hover:not(:disabled) {
    background: #1da851;
}

.send-button:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.media-preview {
    display: flex;
    gap: 10px;
    padding: 10px 0;
    flex-wrap: wrap;
}

.media-preview-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: #f8f9fa;
    border: 1px solid #ddd;
}

.media-preview-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
}

.media-preview-file {
    width: 200px;
    padding: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.media-preview-file-icon {
    width: 30px;
    height: 30px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
}

.media-preview-file-info {
    flex: 1;
    min-width: 0;
}

.media-preview-file-name {
    font-size: 0.8em;
    font-weight: 600;
    color: #1f2937;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.media-preview-file-size {
    font-size: 0.7em;
    color: #6b7280;
}

.media-preview-remove {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 20px;
    height: 20px;
    background: rgba(0,0,0,0.7);
    border-radius: 50%;
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.loading, .loading-messages, .no-contacts, .no-messages {
    text-align: center;
    padding: 20px;
    color: #6b7280;
}

/* Responsividade */
@media (max-width: 768px) {
    .chat-container {
        flex-direction: column;
    }
    
    .contacts-sidebar {
        width: 100%;
        height: 40%;
    }
    
    .chat-area {
        height: 60%;
    }
    
    .message {
        max-width: 85%;
    }

    .message-media,
    .message-video {
        max-width: 250px;
    }
}

/* Responsividade para chat embebido */
@media (max-width: 768px) {
    .chat-container-embedded {
        flex-direction: column;
        height: calc(100vh - 80px); /* Ajustar para navegação móvel */
    }
    
    .chat-container-embedded .contacts-sidebar {
        width: 100%;
        height: 40%;
        min-width: unset;
    }
    
    .chat-container-embedded .chat-area {
        height: 60%;
    }
    
    .message {
        max-width: 85%;
    }

    .message-media,
    .message-video {
        max-width: 250px;
    }
}

@media (max-width: 480px) {
    .chat-container-embedded {
        height: calc(100vh - 60px); /* Ajuste menor para telas muito pequenas */
    }
    
    .chat-container-embedded .contacts-sidebar {
        width: 100%;
    }
    
    .contact-name, .contact-phone, .contact-last-message {
        font-size: 0.9em;
    }
    
    .message {
        max-width: 90%;
    }
    
    .message-content {
        padding: 6px 10px;
    }
    
    .chat-header {
        padding: 10px 15px;
    }
    
    .messages-container {
        padding: 15px;
    }
    
    .message-input-area {
        padding: 10px 15px;
    }

    .message-media,
    .message-video {
        max-width: 200px;
    }

    .media-preview-file {
        width: 150px;
    }

    .message-document-name {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 200px; /* Ajustar conforme necessário */
    }
}

/* Ensure page navigation remains visible */
body.chat-page {
    /* Remove any styles that might hide navigation */
}

/* Make sure the chat container doesn't interfere with page layout */
.chat-container-embedded {
    position: relative; /* Not fixed */
    z-index: 1; /* Lower z-index than navigation */
}

/* Theme styles for embedded chat */
.dark-theme .chat-container-embedded {
    background: var(--background);
    border-color: var(--sidebar-border);
}

/* Additional styles for the embedded chat to work with the page layout */
.chat-container-embedded {
    margin: 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Ensure proper spacing in the main layout */
.content {
    padding: 0; /* Remove default padding when displaying chat */
}

/* For pages with chat component, adjust the content area */
.page:has(.chat-container-embedded) .content {
    padding: 0;
    margin: 0;
}