/* ==================== GLOBAL STYLES ==================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color palette - modern and clean */
    --primary-bg: #ffffff;
    --secondary-bg: #f8f9fa;
    --chat-bg: #ffffff;
    --sidebar-bg: #fafbfc;

    --user-msg-bg: #0084ff;
    --user-msg-text: #ffffff;
    --bot-msg-bg: #e9ecef;
    --bot-msg-text: #1a1d21;

    --button-bg: #0084ff;
    --button-hover: #0073e6;
    --button-text: #ffffff;

    --input-bg: #f0f2f5;
    --input-border: #e4e6eb;
    --input-focus: #0084ff;

    --text-primary: #1a1d21;
    --text-secondary: #65676b;
    --border-color: #e4e6eb;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--secondary-bg);
    color: var(--text-primary);
    line-height: 1.5;
    overflow: hidden;
}

/* ==================== LAYOUT ==================== */

.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
}

.sidebar {
    flex-shrink: 0;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
}

.left-sidebar {
    width: 280px;
    display: flex;
    flex-direction: column;
}

.right-sidebar {
    width: 280px;
    border-right: none;
    border-left: 1px solid var(--border-color);
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.sidebar-content {
    padding: var(--spacing-md);
    flex: 1;
}

/* ==================== INSTRUCTIONS TAB ==================== */

#instructions-tab.open {
    background: #222;
}

#instructions-content {
    display: none;
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 1000px;
    font-size: 12px;
    background: rgba(50, 50, 50, 0.9);
    color: #fff;
    border-radius: 0 0 10px 10px;
    padding: 20px;
    z-index: 1000;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    max-height: 90vh; /* limit height to 60% of viewport */
    overflow-y: auto; /* vertical scroll when needed */
}

    #instructions-content.open {
        display: block !important;
        animation: fadeIn 1.3s;
    }

    #instructions-content.closing {
        display: block !important;
        animation: fadeOut 3.3s;
    }


@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}


/* ==================== CHAT CONTAINER ==================== */

.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--chat-bg);
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--primary-bg);
}

.chat-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.chat-title h1 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #42b72a;
}

.status-indicator.online {
    background-color: #42b72a;
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.icon-btn {
    width: 36px;
    height: 36px;
    border: none;
    background-color: transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.icon-btn:hover {
    background-color: var(--input-bg);
    color: var(--text-primary);
}

/* ==================== MESSAGES ==================== */

.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.message {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 70%;
    animation: messageSlideIn 0.3s ease;
}

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

.message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message.bot {
    align-self: flex-start;
}

.message-bubble {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    word-wrap: break-word;
    box-shadow: var(--shadow-sm);
}

.message.user .message-bubble {
    background-color: var(--user-msg-bg);
    color: var(--user-msg-text);
    border-bottom-right-radius: var(--spacing-xs);
}

.message.bot .message-bubble {
    background-color: var(--bot-msg-bg);
    color: var(--bot-msg-text);
    border-bottom-left-radius: var(--spacing-xs);
}

.message-text {
    white-space: pre-wrap;
    line-height: 1.4;
}

.message-time {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
    opacity: 0.7;
}

/* ==================== BUTTONS ==================== */

.button-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    align-self: flex-start;
    max-width: 70%;
}

.button-row {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.chat-button {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--primary-bg);
    color: var(--button-bg);
    border: 2px solid var(--button-bg);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.chat-button:hover {
    background-color: var(--button-bg);
    color: var(--button-text);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.chat-button:active {
    transform: translateY(0);
}

/* Button selection state */
.chat-button.button-selected {
    background-color: var(--button-bg);
    color: var(--button-text);
    border-color: var(--button-bg);
    font-weight: 600;
}

/* Disabled input state */
.input-disabled {
    cursor: not-allowed !important;
    background-color: #f0f0f0 !important;
    opacity: 0.6;
}


/* Reply buttons - green theme */
/*.button-group[data-button-type="reply"] .chat-button {
    border-color: #28a745;
    color: #28a745;
}

.button-group[data-button-type="reply"] .chat-button:hover:not(:disabled) {
    background-color: #28a745;
    color: white;
}*/


/* ==================== TYPING INDICATOR ==================== */

.typing-indicator {
    display: flex;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background-color: var(--bot-msg-bg);
    border-radius: var(--radius-lg);
    width: fit-content;
    align-self: flex-start;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background-color: var(--text-secondary);
    border-radius: 50%;
    animation: typingAnimation 1.4s infinite;
}

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

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

@keyframes typingAnimation {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-10px);
    }
}

/* ==================== INPUT AREA ==================== */

.input-area {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background-color: var(--primary-bg);
}

.input-wrapper {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-end;
    background-color: var(--input-bg);
    border-radius: var(--radius-xl);
    padding: var(--spacing-sm);
    border: 2px solid transparent;
    transition: border-color 0.2s ease;
}

.input-wrapper:focus-within {
    border-color: var(--input-focus);
}

#message-input {
    flex: 1;
    border: none;
    background-color: transparent;
    resize: none;
    outline: none;
    font-size: 15px;
    font-family: inherit;
    color: var(--text-primary);
    padding: var(--spacing-sm);
    max-height: 150px;
    line-height: 1.4;
}

#message-input::placeholder {
    color: var(--text-secondary);
}

.send-btn {
    width: 36px;
    height: 36px;
    border: none;
    background-color: var(--button-bg);
    color: var(--button-text);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.send-btn:hover {
    background-color: var(--button-hover);
    transform: scale(1.05);
}

.send-btn:active {
    transform: scale(0.95);
}

.send-btn:disabled {
    background-color: var(--input-border);
    cursor: not-allowed;
}

/* ==================== FILE MESSAGES ==================== */

.file-message {
    padding: var(--spacing-md);
    background-color: var(--input-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.file-message:hover {
    background-color: var(--border-color);
}

.file-icon {
    width: 40px;
    height: 40px;
    background-color: var(--button-bg);
    color: var(--button-text);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.file-info {
    flex: 1;
}

.file-name {
    font-weight: 500;
    color: var(--text-primary);
}

.file-size {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Media messages */
.media-message {
    max-width: 100%;
    padding: 8px;
}

.chat-image {
    max-width: 100%;
    max-height: 400px;
    border-radius: var(--radius-md);
    display: block;
    margin: 0 auto;
    cursor: pointer;
}

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

.chat-video {
    max-width: 100%;
    max-height: 400px;
    border-radius: var(--radius-md);
    display: block;
    margin: 0 auto;
    background-color: #000;
}

.media-caption {
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 8px;
}

/* Audio message styling */
.audio-message {
    max-width: 100%;
    padding: 12px;
}

.audio-player {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--primary-bg);
    border-radius: var(--radius-lg);
    padding: 8px 12px;
    margin-bottom: 8px;
}

.play-button, .pause-button {
    background: var(--button-bg);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
}

.play-button:hover, .pause-button:hover {
    opacity: 0.8;
}

.audio-control {
    flex: 1;
    height: 30px;
}

.audio-info {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.audio-duration {
    font-size: 12px;
    color: var(--text-secondary);
    font-family: monospace;
}

.audio-text {
    font-size: 14px;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 4px;
}


/* Optional: Lightbox effect for images */
.chat-image {
    transition: transform 0.2s ease;
}

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



/* ==================== ERROR MESSAGES ==================== */

.error-message {
    background-color: #fee;
    border: 1px solid #fcc;
    color: #c33;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    align-self: flex-start;
    max-width: 70%;
}

/* ==================== SCROLLBAR ==================== */

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

.messages-container::-webkit-scrollbar-track,
.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.messages-container::-webkit-scrollbar-thumb,
.sidebar::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.messages-container::-webkit-scrollbar-thumb:hover,
.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}


/* ==================== LEFT SIDEBAR ==================== */

/* Notification box layout for left sidebar dashboard attributes */
.attr-box {
    display: flex;
    flex-direction: column;
    width: 100%;
    min-width: 180px;
    border-radius: 14px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
    margin-bottom: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color, #e4e6eb);
    /* border: 2px solid var(--button-bg);*/
    background: var(--sidebar-bg, #fafbfc);
}

/* Key (attribute name) 30–35% of box height */
    .attr-label {
    flex: 0 0 35%;
    padding: 10px;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary, #65676b);
    background: var(--input-bg, #f0f2f5);
    border-bottom: 1px solid var(--border-color, #e4e6eb);
}

/* Value (attribute value) 65–70% of box height */
.attr-value {
    flex: 1 1 65%;
    padding: 18px 10px;
    text-align: left;
    font-size: 12px;
    font-weight: 700;
    color: var(--user-msg-text, #fff);
    border-bottom-left-radius: 14px;
    border-bottom-right-radius: 14px;
    word-break: break-word;
    white-space: normal;
}

.placeholder {
    padding: 16px 8px;
    text-align: center;
    color: var(--text-secondary, #65676b);
    font-size: 14px;
    font-style: italic;
    opacity: 0.7;
}

/* ==================== RIGHT SIDEBAR ==================== */

.right-button {
    border: 2px solid var(--button-bg);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
    font-weight: 600;
    white-space: normal;
    height: auto;
    text-align: left;
    padding: var(--spacing-sm) var(--spacing-md);
    width: 130%;
}



/* ==================== BOTH LEFT AND RIGHT SIDEBAR ==================== */

/* Color Definitions: applies in BOTH lef and right sidebar */
.agent-col-receptionist {
    background-color: #90D5FF;
    color: white;
}

.agent-col-microanalysis {
    background-color: #DAB1DA;
    color: white;
}

.agent-col-barriers {
    background-color: #E73121;
    color: white;
}

.agent-col-planning {
    background-color: #A49A87;
    color: white;
}

.agent-col-MI {
    background-color: #FFFFC5;
    color: white;
}

.agent-col-cbt {
    background-color: #00CEC8;
    color: white;
}

.agent-col-vd {
    background-color: #89F336;
    color: white;
}

.agent-col-align {
    background-color: #FFA800;
    color: white;
}

.agent-col-er {
    background-color: #C11C84;
    color: white;
}



/* ==================== RESPONSIVE ==================== */

@media (max-width: 1024px) {
    .right-sidebar {
        display: none;
    }
}

@media (max-width: 768px) {
    .left-sidebar {
        display: none;
    }

    .message {
        max-width: 85%;
    }

    .chat-container {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .chat-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .messages-container {
        padding: var(--spacing-md);
    }

    .input-area {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .message {
        max-width: 90%;
    }
}

/* PLUS: ==================== ENHANCED MOBILE FIXES ==================== */
/* Fix viewport height issues on mobile */
@supports (-webkit-touch-callout: none) {
    /* iOS-specific fix for viewport height */
    .app-container

{
    height: -webkit-fill-available;
}

}

/* Base mobile improvements */
@media (max-width: 768px) {
    body {
        overflow: auto; /* Allow scrolling on mobile if needed */
    }

    .app-container {
        min-height: 100vh;
        min-height: -webkit-fill-available;
        height: auto; /* Override fixed height */
        display: flex;
        flex-direction: column;
    }

    .chat-container {
        flex: 1;
        display: flex;
        flex-direction: column;
        min-height: 0; /* Critical for flex children */
        height: 100vh;
        height: -webkit-fill-available;
    }

    .messages-container {
        flex: 1;
        min-height: 0; /* Prevent flex overflow */
        overflow-y: auto;
        -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
    }

    .input-area {
        flex-shrink: 0; /* Prevent input from being squeezed */
        position: relative;
        bottom: 0;
        width: 100%;
        background-color: var(--primary-bg);
        /* Add safe area for notched devices */
        padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
    }

    /* Ensure input wrapper is touch-friendly */
    .input-wrapper {
        min-height: 44px; /* iOS recommended minimum touch target */
    }

    #message-input {
        font-size: 16px; /* Prevent iOS zoom on focus */
        min-height: 44px;
    }

    .send-btn {
        width: 44px; /* Larger touch target */
        height: 44px;
        flex-shrink: 0;
    }
}

/* Extra small devices */
@media (max-width: 480px) {
    .chat-header {
        padding: var(--spacing-sm) var(--spacing-md);
        flex-shrink: 0;
    }

    .messages-container {
        padding: var(--spacing-sm);
    }

    .input-area {
        padding: var(--spacing-sm);
        padding-bottom: calc(var(--spacing-sm) + env(safe-area-inset-bottom));
    }

    .message {
        max-width: 90%;
    }

    /* Ensure buttons are touch-friendly */
    .chat-button {
        min-height: 44px;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    /* Optimize header for small screens */
    .chat-title h1 {
        font-size: 16px;
    }

    .icon-btn {
        width: 40px;
        height: 40px;
    }
}

/* Landscape mobile mode */
@media (max-width: 768px) and (orientation: landscape) {
    .app-container {
        height: 100vh;
    }

    .chat-container {
        height: 100vh;
    }

    .messages-container {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .input-area {
        padding: var(--spacing-xs) var(--spacing-md);
    }
}

/* Prevent zoom on input focus for small text */
@media (max-width: 768px) {
    input, textarea, select {
        font-size: 16px !important; /* Prevents iOS zoom */
    }
}

/* Fix for mobile keyboard appearing */
@media (max-width: 768px) {
    .chat-container.keyboard-visible {
        height: 100vh;
        height: -webkit-fill-available;
    }
}

/* Mobile responsive adjustments for instructions tab */
@media (max-width: 768px) {
    #instructions-tab {
        padding: 6px 16px;
        font-size: 10px;
        border-radius: 0 0 8px 8px;
    }

    #instructions-content {
        padding: var(--spacing-md);
    }

        #instructions-content p {
            padding: var(--spacing-lg);
            max-width: 90%;
        }
}

@media (max-width: 480px) {
    #instructions-tab {
        padding: 6px 12px;
        font-size: 9px;
    }
}



/* ==================== UTILITIES ==================== */

.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}