/* ==========================================================================
   Chat Interface Styles - Enterprise Design
   Compatible with web browsers and Microsoft Teams WebView
   ========================================================================== */

/* CSS Variables for consistent theming */
:root {
    --chat-primary-color: #0078d4;
    --chat-primary-hover: #106ebe;
    --chat-user-bubble-bg: #0078d4;
    --chat-user-bubble-text: #ffffff;
    --chat-bot-bubble-bg: #f0f0f0;
    --chat-bot-bubble-text: #333333;
    --chat-border-color: #e0e0e0;
    --chat-background: #ffffff;
    --chat-input-bg: #fafafa;
    --chat-error-color: #d32f2f;
    --chat-success-color: #388e3c;
    --chat-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --chat-border-radius: 8px;
    --chat-message-radius: 16px;
}

/* ==========================================================================
   Main Container
   ========================================================================== */

.chat-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--chat-background);
    box-shadow: var(--chat-shadow);
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ==========================================================================
   Header
   ========================================================================== */

.chat-header {
    padding: 16px 20px;
    background-color: var(--chat-primary-color);
    color: white;
    flex-shrink: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-header-icon {
    font-size: 24px;
}

.chat-header-logo {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.chat-header h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

/* Reset Chat Button */
.reset-chat-button {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background-color: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--chat-border-radius);
    cursor: pointer;
    font-size: 13px;
    font-family: inherit;
    font-weight: 500;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.reset-chat-button:hover {
    background-color: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
}

.reset-chat-button:active {
    transform: scale(0.98);
}

.reset-chat-button:focus {
    outline: 2px solid white;
    outline-offset: 2px;
}

.reset-icon {
    font-size: 14px;
}


/* ==========================================================================
   Messages Area
   ========================================================================== */

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background-color: #f9f9f9;
}

/* ==========================================================================
   Message Bubbles
   ========================================================================== */

.message {
    max-width: 75%;
    padding: 12px 16px;
    border-radius: var(--chat-message-radius);
    word-wrap: break-word;
    line-height: 1.5;
    font-size: 14px;
    position: relative;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* User message - right aligned */
.message-user {
    align-self: flex-end;
    background-color: var(--chat-user-bubble-bg);
    color: var(--chat-user-bubble-text);
    border-bottom-right-radius: 4px;
    margin-left: auto;
}

/* Bot message - left aligned */
.message-bot {
    align-self: flex-start;
    background-color: var(--chat-bot-bubble-bg);
    color: var(--chat-bot-bubble-text);
    border-bottom-left-radius: 4px;
    margin-right: auto;
}

/* System/Error message */
.message-system {
    align-self: center;
    background-color: #fff3cd;
    color: #856404;
    border-radius: var(--chat-border-radius);
    font-size: 13px;
    max-width: 90%;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.message-error {
    align-self: center;
    background-color: #f8d7da;
    color: var(--chat-error-color);
    border-radius: var(--chat-border-radius);
    font-size: 13px;
    max-width: 90%;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid #f5c6cb;
}

.message-warning {
    align-self: center;
    background-color: #fff3cd;
    color: #856404;
    border-radius: var(--chat-border-radius);
    font-size: 13px;
    max-width: 90%;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid #ffeeba;
}

/* System message icon */
.system-icon {
    font-size: 16px;
    flex-shrink: 0;
}

/* Message timestamp */
.message-time {
    font-size: 11px;
    opacity: 0.7;
    margin-top: 4px;
    display: block;
}

.message-user .message-time {
    text-align: right;
}

.message-bot .message-time {
    text-align: left;
}

/* Attachment indicator in message */
.message-attachment {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    padding: 8px 12px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    font-size: 13px;
}

.message-user .message-attachment {
    background-color: rgba(255, 255, 255, 0.2);
}

.message-bot .message-attachment {
    background-color: rgba(0, 0, 0, 0.05);
}

.attachment-icon {
    font-size: 16px;
}

/* Download link styling */
.download-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    margin-top: 8px;
    background-color: var(--chat-primary-color);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.download-link:hover {
    background-color: var(--chat-primary-hover);
    transform: translateY(-1px);
}

.download-link:active {
    transform: translateY(0);
}

.download-link:focus {
    outline: 2px solid var(--chat-primary-color);
    outline-offset: 2px;
}

.download-link .attachment-icon {
    font-size: 16px;
    flex-shrink: 0;
}

.download-link .download-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}


/* ==========================================================================
   Typing Indicator
   ========================================================================== */

.typing-indicator {
    align-self: flex-start;
    background-color: var(--chat-bot-bubble-bg);
    padding: 12px 16px;
    border-radius: var(--chat-message-radius);
    border-bottom-left-radius: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background-color: #999;
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) {
    animation-delay: 0s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingBounce {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-6px);
    }
}

.typing-text {
    margin-left: 8px;
    font-size: 13px;
    color: #666;
    font-style: italic;
}

/* ==========================================================================
   Input Area
   ========================================================================== */

.chat-input-area {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px 20px;
    border-top: 1px solid var(--chat-border-color);
    background-color: var(--chat-input-bg);
    flex-shrink: 0;
}

.file-input-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
}

#fileInput {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.file-input-label {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--chat-background);
    border: 1px solid var(--chat-border-color);
    border-radius: var(--chat-border-radius);
    cursor: pointer;
    transition: all 0.2s ease;
}

.file-input-label:hover {
    background-color: #f0f0f0;
    border-color: var(--chat-primary-color);
}

.file-icon {
    font-size: 18px;
}

.selected-file-name {
    font-size: 13px;
    color: #666;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.selected-file-name:not(:empty)::before {
    content: "📄 ";
}

.message-input-wrapper {
    display: flex;
    gap: 8px;
    align-items: stretch;
}

#messageInput {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--chat-border-color);
    border-radius: var(--chat-border-radius);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#messageInput:focus {
    border-color: var(--chat-primary-color);
    box-shadow: 0 0 0 2px rgba(0, 120, 212, 0.2);
}

#messageInput::placeholder {
    color: #999;
}

#sendButton {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 20px;
    background-color: var(--chat-primary-color);
    color: white;
    border: none;
    border-radius: var(--chat-border-radius);
    cursor: pointer;
    font-size: 14px;
    font-family: inherit;
    font-weight: 500;
    transition: background-color 0.2s ease;
    min-width: 80px;
}

#sendButton:hover {
    background-color: var(--chat-primary-hover);
}

#sendButton:active {
    transform: scale(0.98);
}

#sendButton:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

.send-icon {
    font-size: 14px;
}


/* ==========================================================================
   Toast Notifications
   ========================================================================== */

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    border-radius: var(--chat-border-radius);
    color: white;
    font-size: 14px;
    box-shadow: var(--chat-shadow);
    animation: slideIn 0.3s ease-out;
    max-width: 300px;
}

.toast-error {
    background-color: var(--chat-error-color);
}

.toast-success {
    background-color: var(--chat-success-color);
}

.toast-info {
    background-color: var(--chat-primary-color);
}

.toast-warning {
    background-color: #ff9800;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==========================================================================
   Responsive Design - Teams WebView Compatible
   ========================================================================== */

/* Small screens and Teams panel */
@media screen and (max-width: 600px) {
    .chat-container {
        max-width: 100%;
        height: 100vh;
        border-radius: 0;
        box-shadow: none;
    }

    .chat-header {
        padding: 12px 16px;
    }

    .chat-header h2 {
        font-size: 16px;
    }

    .reset-chat-button {
        padding: 6px 10px;
        font-size: 12px;
    }

    .reset-text {
        display: none;
    }

    .chat-messages {
        padding: 12px;
    }

    .message {
        max-width: 85%;
        padding: 10px 14px;
        font-size: 14px;
    }

    .chat-input-area {
        padding: 12px;
    }

    #messageInput {
        padding: 10px 12px;
        font-size: 14px;
    }

    #sendButton {
        padding: 10px 16px;
        min-width: 60px;
    }

    .send-text {
        display: none;
    }

    .file-input-label {
        width: 36px;
        height: 36px;
    }
}

/* Medium screens */
@media screen and (min-width: 601px) and (max-width: 900px) {
    .chat-container {
        max-width: 100%;
        margin: 0;
    }

    .message {
        max-width: 80%;
    }
}

/* Teams WebView specific adjustments */
@media screen and (max-height: 500px) {
    .chat-header {
        padding: 8px 12px;
    }

    /*.message-bot:first-child {
        display: none;
    }*/

    .chat-header h2 {
        font-size: 14px;
    }

    .chat-messages {
        padding: 8px;
        gap: 8px;
    }

    .message {
        padding: 8px 12px;
        font-size: 13px;
    }

    .chat-input-area {
        padding: 8px 12px;
        gap: 8px;
    }

    #messageInput {
        padding: 8px 10px;
    }

    #sendButton {
        padding: 8px 12px;
    }
}

/* High contrast mode support for accessibility */
@media (prefers-contrast: high) {
    .message-user {
        border: 2px solid white;
    }    

    .message-bot {
        border: 2px solid #333;
    }

    #messageInput:focus {
        outline: 3px solid var(--chat-primary-color);
    }

    #sendButton {
        border: 2px solid white;
    }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .message,
    .toast,
    .typing-indicator span {
        animation: none;
    }

    #sendButton:active {
        transform: none;
    }
}


/* ==========================================================================
   Option Buttons (MultipleQuestion)
   ========================================================================== */

.option-buttons-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.option-button {
    padding: 10px 16px;
    background-color: var(--chat-background);
    color: var(--chat-primary-color);
    border: 1px solid var(--chat-primary-color);
    border-radius: var(--chat-border-radius);
    cursor: pointer;
    font-size: 14px;
    font-family: inherit;
    font-weight: 500;
    transition: all 0.2s ease;
    text-align: center;
    min-width: 80px;
}

.option-button:hover {
    background-color: var(--chat-primary-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 120, 212, 0.3);
}

.option-button:active {
    transform: translateY(0);
    box-shadow: none;
}

.option-button:focus {
    outline: 2px solid var(--chat-primary-color);
    outline-offset: 2px;
}

.option-button.selected {
    background-color: var(--chat-primary-color);
    color: white;
    border-color: var(--chat-primary-color);
    cursor: default;
    pointer-events: none;
}

.option-button.selected::after {
    content: " ✓";
    margin-left: 4px;
}

/* Responsive adjustments for option buttons */
@media screen and (max-width: 600px) {
    .option-buttons-container {
        gap: 6px;
        margin-top: 10px;
        padding-top: 10px;
    }

    .option-button {
        padding: 8px 12px;
        font-size: 13px;
        min-width: 70px;
        flex: 1 1 calc(50% - 6px);
    }
}

/* High contrast mode for option buttons */
@media (prefers-contrast: high) {
    .option-button {
        border-width: 2px;
    }

    .option-button.selected {
        border: 2px solid white;
    }
}

/* Reduced motion for option buttons */
@media (prefers-reduced-motion: reduce) {
    .option-button:hover {
        transform: none;
    }

    .option-button:active {
        transform: none;
    }
}


/* ==========================================================================
   Attachment Input Disabled State
   ========================================================================== */

/* When file input is disabled, style the associated label */
#fileInput:disabled + .file-input-label,
.file-input-label.disabled {
    background-color: #f5f5f5;
    border-color: #ddd;
    cursor: not-allowed;
    opacity: 0.5;
    pointer-events: none;
}

#fileInput:disabled + .file-input-label:hover,
.file-input-label.disabled:hover {
    background-color: #f5f5f5;
    border-color: #ddd;
    transform: none;
}

#fileInput:disabled + .file-input-label .file-icon,
.file-input-label.disabled .file-icon {
    opacity: 0.5;
}

/* Visual indicator tooltip for disabled state */
.file-input-wrapper.attachment-disabled {
    position: relative;
}

.file-input-wrapper.attachment-disabled::after {
    content: "Adjuntos no disponibles";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 8px;
    background-color: #666;
    color: white;
    font-size: 11px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    pointer-events: none;
    margin-bottom: 4px;
}

.file-input-wrapper.attachment-disabled:hover::after {
    opacity: 1;
    visibility: visible;
}

/* High contrast mode for disabled attachment */
@media (prefers-contrast: high) {
    #fileInput:disabled + .file-input-label,
    .file-input-label.disabled {
        border: 2px dashed #999;
        opacity: 0.6;
    }
}

/* Reduced motion for disabled attachment tooltip */
@media (prefers-reduced-motion: reduce) {
    .file-input-wrapper.attachment-disabled::after {
        transition: none;
    }
}


/* ==========================================================================
   Calendar Buttons (CalendarOptions)
   ========================================================================== */

.calendar-buttons-container {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    margin-top: 12px !important;
    padding-top: 12px !important;
    border-top: 1px solid rgba(0, 0, 0, 0.1) !important;
}

.calendar-date-buttons {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
}

.calendar-date-button {
    padding: 12px 18px !important;
    background-color: #ffffff !important;
    color: #0078d4 !important;
    border: 2px solid #0078d4 !important;
    border-radius: 8px !important;
    cursor: pointer !important;
    font-size: 14px !important;
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif !important;
    font-weight: 600 !important;
    transition: all 0.2s ease !important;
    text-align: center !important;
    min-width: 150px !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15) !important;
}

.calendar-date-button:hover:not(:disabled) {
    background-color: #0078d4 !important;
    color: #ffffff !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 8px rgba(0, 120, 212, 0.4) !important;
}

.calendar-date-button:active:not(:disabled) {
    transform: translateY(0) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15) !important;
}

.calendar-date-button:focus {
    outline: 2px solid #0078d4 !important;
    outline-offset: 2px !important;
}

.calendar-date-button.selected {
    background-color: #0078d4 !important;
    color: #ffffff !important;
    border-color: #0078d4 !important;
    box-shadow: 0 3px 6px rgba(0, 120, 212, 0.5) !important;
}

.calendar-date-button:disabled {
    opacity: 0.5 !important;
    cursor: not-allowed !important;
    pointer-events: none !important;
    background-color: #f0f0f0 !important;
    color: #999999 !important;
    border-color: #cccccc !important;
}

.calendar-time-slots {
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    max-height: 300px !important;
    overflow-y: auto !important;
    padding: 12px !important;
    background-color: rgba(0, 0, 0, 0.03) !important;
    border-radius: 8px !important;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
}

.calendar-time-button {
    padding: 12px 16px !important;
    background-color: #ffffff !important;
    color: #333333 !important;
    border: 1px solid #dddddd !important;
    border-radius: 6px !important;
    cursor: pointer !important;
    font-size: 14px !important;
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif !important;
    transition: all 0.2s ease !important;
    text-align: left !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1) !important;
}

.calendar-time-button:hover:not(:disabled) {
    background-color: #f5f5f5 !important;
    border-color: #0078d4 !important;
    transform: translateX(4px) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15) !important;
}

.calendar-time-button:active:not(:disabled) {
    transform: translateX(2px) !important;
}

.calendar-time-button:focus {
    outline: 2px solid #0078d4 !important;
    outline-offset: 2px !important;
}

.calendar-time-button.selected {
    background-color: #388e3c !important;
    color: #ffffff !important;
    border-color: #388e3c !important;
    cursor: default !important;
    pointer-events: none !important;
    box-shadow: 0 2px 4px rgba(56, 142, 60, 0.4) !important;
}

.calendar-time-button.selected::after {
    content: " ✓" !important;
    margin-left: 8px !important;
    font-weight: bold !important;
}

.calendar-time-button:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    background-color: #f9f9f9 !important;
    color: #999999 !important;
}

/* Responsive adjustments for calendar buttons */
@media screen and (max-width: 600px) {
    .calendar-date-button {
        padding: 10px 14px !important;
        font-size: 13px !important;
        min-width: 120px !important;
        flex: 1 1 calc(50% - 8px) !important;
    }
    
    .calendar-time-button {
        padding: 10px 14px !important;
        font-size: 13px !important;
    }
    
    .calendar-time-slots {
        max-height: 250px !important;
        padding: 10px !important;
    }
}

/* High contrast mode for calendar buttons */
@media (prefers-contrast: high) {
    .calendar-date-button {
        border-width: 3px !important;
    }

    .calendar-date-button.selected {
        border: 3px solid white !important;
    }

    .calendar-time-button.selected {
        border: 2px solid white !important;
    }
}

/* Reduced motion for calendar buttons */
@media (prefers-reduced-motion: reduce) {
    .calendar-date-button:hover,
    .calendar-time-button:hover {
        transform: none !important;
    }
    
    .calendar-date-button:active,
    .calendar-time-button:active {
        transform: none !important;
    }
}