/*
 * Frontend CSS for AI Chat By DigifySEO Widget
 * This file contains all the styling for the chat widget visible to users.
 * It's based on the original HTML's inline styles, adapted for a WordPress plugin.
 */

/* --- Chat Widget CSS Variables and Base Styles --- */
.ai-chat-by-digifyseo-widget {
    /* These CSS variables will be set by JavaScript based on AIDigifySEO_ChatWidgetConfig.style */
    /* The second value in var() is a fallback if JS doesn't set it */
    --chat-color-primary: #DE7F26; /* Default/Fallback to your brand orange */
    --chat-color-secondary: #C46D20; /* Default/Fallback to darker orange */
    --chat-color-light: #FDF4EC; /* Default/Fallback to light warm color */
    --chat-color-surface: #ffffff; /* White background for chat elements */
    --chat-color-text: #1f2937; /* Dark grey for general text */
    --chat-color-text-light: #6b7280; /* Lighter grey for placeholder/secondary text */
    --chat-color-border: #e5e7eb; /* Light border color */

    /* Shadows for depth - adjusted to use primary color for a subtle tint */
    --chat-shadow-sm: 0 1px 3px rgba(222, 127, 38, 0.1); /* Based on #DE7F26 */
    --chat-shadow-md: 0 4px 6px rgba(222, 127, 38, 0.15);
    --chat-shadow-lg: 0 10px 15px rgba(222, 127, 38, 0.2);

    /* Border Radii */
    --chat-radius-sm: 8px;
    --chat-radius-md: 12px;
    --chat-radius-lg: 20px;
    --chat-radius-full: 9999px;

    /* Transitions for smooth animations */
    --chat-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Font Family - Poppins is loaded via wp_enqueue_style */
    font-family: 'Poppins', sans-serif;
    box-sizing: border-box; /* Ensure padding and border are included in element's total width and height */
}

/* --- Chat Window Container --- */
.ai-chat-by-digifyseo-widget .chat-window {
    position: fixed;
    bottom: 90px; /* Distance from bottom of the viewport */
    z-index: 1000; /* Ensure it's above other content */
    width: 380px; /* Fixed width */
    height: 580px; /* Fixed height */
    background: var(--chat-color-surface);
    border-radius: var(--chat-radius-lg);
    box-shadow: var(--chat-shadow-lg);
    border: 1px solid var(--chat-color-light);
    overflow: hidden; /* Hide overflow content within the window */
    display: none; /* Hidden by default */
    flex-direction: column; /* Arrange children (header, body) vertically */
    transition: var(--chat-transition); /* Smooth transition for showing/hiding */
    opacity: 0;
    transform: translateY(20px) scale(0.95); /* Initial hidden state for animation */
}

.ai-chat-by-digifyseo-widget .chat-window.right-side { right: 20px; } /* Position on right */
.ai-chat-by-digifyseo-widget .chat-window.left-side { left: 20px; } /* Position on left */

@media (max-width: 480px) {
    .ai-chat-by-digifyseo-widget .chat-window {
        width: 90vw; /* Make it responsive on smaller screens */
        height: 80vh;
        bottom: 10px;
        left: 5vw; /* Center it horizontally */
        right: 5vw;
        margin: auto;
    }
    .ai-chat-by-digifyseo-widget .chat-launcher {
        bottom: 10px;
        right: 10px; /* Adjust launcher position for mobile */
        left: auto;
    }
}


.ai-chat-by-digifyseo-widget .chat-window.visible {
    display: flex; /* Show as flex column */
    opacity: 1;
    transform: translateY(0) scale(1); /* Visible state */
}

/* --- Chat Header --- */
.ai-chat-by-digifyseo-widget .chat-header {
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--chat-color-primary) 0%, var(--chat-color-secondary) 100%);
    color: white;
    position: relative;
    z-index: 10; /* Ensure header is above other chat elements */
    flex-shrink: 0; /* Prevent header from shrinking */
}

.ai-chat-by-digifyseo-widget .chat-header-logo {
    width: 32px;
    height: 32px;
    border-radius: var(--chat-radius-sm);
    object-fit: contain;
    background: white;
    padding: 4px;
}

.ai-chat-by-digifyseo-widget .chat-header-title {
    font-size: 16px;
    font-weight: 600;
    color: white;
    margin-bottom: 0; /* Adjusted for better alignment */
}

.ai-chat-by-digifyseo-widget .chat-close-btn {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--chat-transition);
    font-size: 18px;
    border-radius: var(--chat-radius-full);
    width: 28px;
    height: 28px;
}

.ai-chat-by-digifyseo-widget .chat-close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

/* --- Welcome Screen & User Registration Form --- */
.ai-chat-by-digifyseo-widget .chat-welcome,
.ai-chat-by-digifyseo-widget .user-registration {
    position: absolute; /* Absolute positioning to float over chat-body */
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 24px;
    text-align: center;
    box-sizing: border-box; /* Include padding in height/width */
    background: var(--chat-color-surface); /* Ensure background to hide content beneath */
    z-index: 5; /* Place them above chat messages but below header */
    display: none; /* Hidden by default */
}

.ai-chat-by-digifyseo-widget .chat-welcome.active,
.ai-chat-by-digifyseo-widget .user-registration.active {
    display: flex; /* Show when active */
}

.ai-chat-by-digifyseo-widget .chat-welcome-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--chat-color-text);
    margin-bottom: 24px;
    line-height: 1.3;
}

.ai-chat-by-digifyseo-widget .chat-start-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    max-width: 280px; /* Constrain button width */
    padding: 14px 20px;
    background: linear-gradient(135deg, var(--chat-color-primary) 0%, var(--chat-color-secondary) 100%);
    color: white;
    border: none;
    border-radius: var(--chat-radius-md);
    cursor: pointer;
    font-size: 15px;
    transition: var(--chat-transition);
    font-weight: 600;
    font-family: inherit;
    margin-bottom: 16px;
    box-shadow: var(--chat-shadow-md);
}

.ai-chat-by-digifyseo-widget .chat-start-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--chat-shadow-lg);
}

.ai-chat-by-digifyseo-widget .chat-response-time {
    font-size: 14px;
    color: var(--chat-color-text-light);
    margin: 0;
}

.ai-chat-by-digifyseo-widget .registration-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--chat-color-text);
    margin-top: 50px; /* Push down to clear header */
    margin-bottom: 16px;
    line-height: 1.3;
    position: sticky; /* Make title stick to top */
    top: 0;
    background: var(--chat-color-surface);
    padding-top: 10px; /* Add some padding above sticky title */
    z-index: 6; /* Ensure it's above form content */
}

.ai-chat-by-digifyseo-widget .registration-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
    width: 100%;
    max-width: 320px; /* Constrain form width */
    height: 100%; /* Allow form to take available height */
}

/* New style for scrollable form content */
.ai-chat-by-digifyseo-widget .registration-form-content {
    flex: 1; /* Allow content to take available space */
    overflow-y: auto; /* Make this area scrollable */
    padding-right: 10px; /* Add padding for scrollbar */
    padding-bottom: 20px; /* Space before submit button */
}

/* Scrollbar styling for WebKit browsers for form content */
.ai-chat-by-digifyseo-widget .registration-form-content::-webkit-scrollbar { width: 6px; }
.ai-chat-by-digifyseo-widget .registration-form-content::-webkit-scrollbar-track { background: transparent; }
.ai-chat-by-digifyseo-widget .registration-form-content::-webkit-scrollbar-thumb { background-color: rgba(222, 127, 38, 0.3); border-radius: var(--chat-radius-full); }

.ai-chat-by-digifyseo-widget .form-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-align: left;
}

.ai-chat-by-digifyseo-widget .form-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--chat-color-text);
}

.ai-chat-by-digifyseo-widget .form-input,
.ai-chat-by-digifyseo-widget .form-select,
.ai-chat-by-digifyseo-widget .form-textarea { /* Added form-textarea for consistency */
    padding: 12px 14px;
    border: 1px solid var(--chat-color-border);
    border-radius: var(--chat-radius-md);
    font-family: inherit;
    font-size: 14px;
    transition: var(--chat-transition);
    box-sizing: border-box; /* Include padding/border in element's total width */
    width: 100%;
}

.ai-chat-by-digifyseo-widget .form-input:focus,
.ai-chat-by-digifyseo-widget .form-select:focus,
.ai-chat-by-digifyseo-widget .form-textarea:focus { /* Added form-textarea */
    outline: none;
    border-color: var(--chat-color-primary);
    box-shadow: 0 0 0 3px rgba(222, 127, 38, 0.2); /* Adjusted to your primary color */
}

.ai-chat-by-digifyseo-widget .form-input.error,
.ai-chat-by-digifyseo-widget .form-select.error,
.ai-chat-by-digifyseo-widget .form-textarea.error { /* Added form-textarea */
    border-color: #ef4444; /* Red for error */
}

.ai-chat-by-digifyseo-widget .error-text {
    font-size: 12px;
    color: #ef4444;
    margin-top: 2px;
}

.ai-chat-by-digifyseo-widget .submit-registration {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 14px 20px;
    background: linear-gradient(135deg, var(--chat-color-primary) 0%, var(--chat-color-secondary) 100%);
    color: white;
    border: none;
    border-radius: var(--chat-radius-md);
    cursor: pointer;
    font-size: 15px;
    transition: var(--chat-transition);
    font-weight: 600;
    font-family: inherit;
    box-shadow: var(--chat-shadow-md);
    flex-shrink: 0; /* Prevent button from shrinking */
}

.ai-chat-by-digifyseo-widget .submit-registration:hover {
    transform: translateY(-2px);
    box-shadow: var(--chat-shadow-lg);
}

.ai-chat-by-digifyseo-widget .submit-registration:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* --- Chat Body (Main Chat Area) --- */
.ai-chat-by-digifyseo-widget .chat-body {
    display: none; /* Hidden until activated */
    flex-direction: column; /* Arrange messages, controls, footer vertically */
    flex: 1; /* Allow chat-body to take all available space within chat-window */
    min-height: 0; /* Allow flex item to shrink below content size if needed */
    position: relative; /* For absolute positioning of welcome/registration */
}

.ai-chat-by-digifyseo-widget .chat-body.active {
    display: flex; /* Show when active */
}

/* --- Chat Messages Area (Scrollable) --- */
.ai-chat-by-digifyseo-widget .chat-messages {
    flex: 1; /* This makes messages take all available space */
    overflow-y: auto; /* Crucial for scrolling messages */
    padding: 20px;
    background: #f9fafb; /* Light background for messages */
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Scrollbar styling for WebKit browsers */
.ai-chat-by-digifyseo-widget .chat-messages::-webkit-scrollbar { width: 6px; }
.ai-chat-by-digifyseo-widget .chat-messages::-webkit-scrollbar-track { background: transparent; }
.ai-chat-by-digifyseo-widget .chat-messages::-webkit-scrollbar-thumb { background-color: rgba(222, 127, 38, 0.3); border-radius: var(--chat-radius-full); } /* Adjusted to your primary color */

/* --- Chat Bubbles (Messages) --- */
.ai-chat-by-digifyseo-widget .chat-bubble {
    padding: 14px 18px;
    border-radius: var(--chat-radius-md);
    max-width: 85%;
    word-wrap: break-word; /* Wrap long words */
    font-size: 14px;
    line-height: 1.6;
    position: relative;
    white-space: pre-line; /* Preserve newlines from bot responses */
}

.ai-chat-by-digifyseo-widget .chat-bubble.user-bubble {
    background: linear-gradient(135deg, var(--chat-color-primary) 0%, var(--chat-color-secondary) 100%);
    color: white;
    align-self: flex-end; /* Align to the right */
    border-bottom-right-radius: 4px; /* Pointy bottom-right corner */
    box-shadow: var(--chat-shadow-sm);
}

.ai-chat-by-digifyseo-widget .chat-bubble.bot-bubble {
    background: white;
    color: var(--chat-color-text);
    align-self: flex-start; /* Align to the left */
    border-bottom-left-radius: 4px; /* Pointy bottom-left corner */
    box-shadow: var(--chat-shadow-sm);
    border: 1px solid var(--chat-color-light);
}

.ai-chat-by-digifyseo-widget .typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 14px 18px;
    background: white;
    border-radius: var(--chat-radius-md);
    border-bottom-left-radius: 4px;
    max-width: 80px;
    align-self: flex-start;
    box-shadow: var(--chat-shadow-sm);
    border: 1px solid var(--chat-color-light);
    visibility: hidden; /* Hidden by default */
    opacity: 0;
    transition: opacity 0.3s ease;
}

.ai-chat-by-digifyseo-widget .typing-indicator.active {
    visibility: visible;
    opacity: 1;
}

.ai-chat-by-digifyseo-widget .typing-dot {
    width: 8px;
    height: 8px;
    background: var(--chat-color-primary);
    border-radius: var(--chat-radius-full);
    opacity: 0.7;
    animation: typingAnimation 1.4s infinite ease-in-out;
}

.ai-chat-by-digifyseo-widget .typing-dot:nth-child(1) { animation-delay: 0s; }
.ai-chat-by-digifyseo-widget .typing-dot:nth-child(2) { animation-delay: 0.2s; }
.ai-chat-by-digifyseo-widget .typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingAnimation {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-4px); }
}

/* --- Chat Controls (Input Area) --- */
.ai-chat-by-digifyseo-widget .chat-controls {
    padding: 16px;
    background: var(--chat-color-surface);
    border-top: 1px solid var(--chat-color-light);
    display: flex;
    gap: 10px;
    flex-shrink: 0; /* Prevent controls from shrinking */
    align-items: flex-end; /* Align textarea to bottom of controls if it expands */
}

.ai-chat-by-digifyseo-widget .chat-textarea {
    flex: 1; /* Allow textarea to take available space */
    padding: 14px 16px;
    border: 1px solid var(--chat-color-light);
    border-radius: var(--chat-radius-md);
    background: var(--chat-color-surface);
    color: var(--chat-color-text);
    resize: none; /* Disable manual resize handle */
    font-family: inherit;
    font-size: 14px;
    line-height: 1.5;
    max-height: 120px; /* Max height for textarea before it scrolls internally */
    min-height: 48px; /* Initial height */
    transition: var(--chat-transition);
}

.ai-chat-by-digifyseo-widget .chat-textarea:focus {
    outline: none;
    border-color: var(--chat-color-primary);
    box-shadow: 0 0 0 3px rgba(222, 127, 38, 0.2); /* Adjusted to your primary color */
}

.ai-chat-by-digifyseo-widget .chat-textarea::placeholder {
    color: var(--chat-color-text-light);
}

.ai-chat-by-digifyseo-widget .chat-submit {
    background: linear-gradient(135deg, var(--chat-color-primary) 0%, var(--chat-color-secondary) 100%);
    color: white;
    border: none;
    border-radius: var(--chat-radius-md);
    width: 48px;
    height: 48px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0; /* Prevent submit button from shrinking */
    box-shadow: var(--chat-shadow-sm);
    transition: var(--chat-transition);
}

.ai-chat-by-digifyseo-widget .chat-submit:hover {
    transform: scale(1.05);
    box-shadow: var(--chat-shadow-md);
}

.ai-chat-by-digifyseo-widget .chat-submit svg {
    width: 22px;
    height: 22px;
}

/* --- Chat Launcher Button --- */
.ai-chat-by-digifyseo-widget .chat-launcher {
    position: fixed;
    bottom: 20px; /* Distance from bottom */
    height: 56px;
    border-radius: var(--chat-radius-full);
    background: linear-gradient(135deg, var(--chat-color-primary) 0%, var(--chat-color-secondary) 100%);
    color: white;
    border: none;
    cursor: pointer;
    box-shadow: var(--chat-shadow-md);
    z-index: 999; /* Below chat window, but above other page content */
    display: flex;
    align-items: center;
    padding: 0 20px 0 16px;
    gap: 8px;
    transition: var(--chat-transition);
}

.ai-chat-by-digifyseo-widget .chat-launcher.right-side { right: 20px; }
.ai-chat-by-digifyseo-widget .chat-launcher.left-side { left: 20px; }

.ai-chat-by-digifyseo-widget .chat-launcher:hover {
    transform: scale(1.05);
    box-shadow: var(--chat-shadow-lg);
}

.ai-chat-by-digifyseo-widget .chat-launcher svg {
    width: 24px;
    height: 24px;
}

.ai-chat-by-digifyseo-widget .chat-launcher-text {
    font-weight: 600;
    font-size: 15px;
    white-space: nowrap;
}

/* --- Chat Footer --- */
.ai-chat-by-digifyseo-widget .chat-footer {
    padding: 10px;
    text-align: center;
    background: var(--chat-color-surface);
    border-top: 1px solid var(--chat-color-light);
    flex-shrink: 0; /* Prevent footer from shrinking */
}

.ai-chat-by-digifyseo-widget .chat-footer-link {
    color: var(--chat-color-primary);
    text-decoration: none;
    font-size: 12px;
    opacity: 0.8;
    transition: var(--chat-transition);
}

.ai-chat-by-digifyseo-widget .chat-footer-link:hover {
    opacity: 1;
}

/* --- Suggested Questions --- */
.ai-chat-by-digifyseo-widget .suggested-questions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 12px 0;
    align-self: flex-start;
    max-width: 85%;
}

.ai-chat-by-digifyseo-widget .suggested-question-btn {
    background: #f3f4f6;
    border: 1px solid var(--chat-color-light);
    border-radius: var(--chat-radius-md);
    padding: 10px 14px;
    text-align: left;
    font-size: 13px;
    color: var(--chat-color-text);
    cursor: pointer;
    transition: var(--chat-transition);
    font-family: inherit;
    line-height: 1.4;
}

.ai-chat-by-digifyseo-widget .suggested-question-btn:hover {
    background: var(--chat-color-light);
    border-color: var(--chat-color-primary);
}

/* --- Links in Chat Bubbles --- */
.ai-chat-by-digifyseo-widget .chat-link {
    color: var(--chat-color-primary);
    text-decoration: underline;
    word-break: break-all;
    transition: var(--chat-transition);
}

.ai-chat-by-digifyseo-widget .chat-link:hover {
    color: var(--chat-color-secondary);
    text-decoration: underline;
}