/* ==========================================
   BRANDING VARIABLES - Updated via config.js
   ========================================== */
:root {
    /* Primary Brand Colors - Will be overridden by config.js */
    --primary-color: #5ba040;
    --primary-hover: #1d4ed8;
    --secondary-color: #ffffff;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    
    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    /* Message Colors */
    --user-message-bg: #2563eb;
    --user-message-text: #ffffff;
    --assistant-message-bg: #f1f5f9;
    --assistant-message-text: #0f172a;
    
    /* Border Colors */
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    
    /* Accent Colors */
    --accent-color: #3b82f6;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    
    /* Shadow */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
}

/* ==========================================
   GLOBAL STYLES
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background: #fafafa;
    color: var(--text-primary);
    overflow-x: hidden;
}

/* ==========================================
   CHAT CONTAINER
   ========================================== */
.chat-container {
    display: flex;
    flex-direction: column;
    height: 100dvh;
    max-width: 1200px;
    margin: 0 auto;
    background-color: var(--bg-primary);
    box-shadow: 0 0 60px rgba(0, 0, 0, 0.08);
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
}

/* ==========================================
   HEADER
   ========================================== */
.chat-header {
    background: var(--bg-primary);
    border-bottom: 2px solid var(--primary-color);
    padding: var(--spacing-lg) var(--spacing-xl);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.bot-avatar { /*removed the extra colors - chris extra */
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.chat-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    font-weight: 400;
}

.new-chat-btn {
    display: none;   /* hiding the "new chat" button (maybe temporary) */
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    background: var(--primary-color);
    color: var(--secondary-color);
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.new-chat-btn:hover {
    background: var(--secondary-color);
    color: var(--primary-color);
}

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

/* ==========================================
   MESSAGES AREA
   ========================================== */
.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.messages-container::-webkit-scrollbar {
    width: 8px;
}

.messages-container::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.messages-container::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
}

.messages-container::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

/* Welcome Message */
.welcome-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl);
    margin-top: auto;
    margin-bottom: auto;
}

.welcome-icon { /*removed the extra colors - chris extra*/
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.welcome-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.welcome-text {
    font-size: var(--font-size-base);
    color: var(--text-muted);
    max-width: 400px;
}

/* Messages */
.message {
    display: flex;
    gap: var(--spacing-md);
    animation: messageSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transition: all 0.2s ease;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(15px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.user-message .message-avatar {
    background: var(--primary-color);
    color: var(--secondary-color);
    border: 2px solid var(--primary-color);
}

.assistant-message .message-avatar {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.message-content {
    max-width: 70%;
    padding: 1rem 1.25rem;
    border-radius: 16px;
    font-size: var(--font-size-base);
    line-height: 1.6;
    word-wrap: break-word;
    font-weight: 400;
    letter-spacing: 0.01em;
}

/* User message bubbles */
.user-message .message-content {
    background: var(--user-message-bg);
    color: var(--user-message-text);
    border: 2px solid var(--user-message-bg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Assistant message bubbles */
.assistant-message .message-content {
    background-color: var(--assistant-message-bg);
    color: var(--assistant-message-text);
    border: 2px solid var(--border-color);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

/* Formatted Content Styles */
.message-content p {
    margin: 0;
    margin-bottom: 0.75rem;
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-content h1,
.message-content h2,
.message-content h3 {
    font-weight: 700;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

.message-content h1:first-child,
.message-content h2:first-child,
.message-content h3:first-child {
    margin-top: 0;
}

.message-content h1 {
    font-size: 1.5rem;
}

.message-content h2 {
    font-size: 1.25rem;
}

.message-content h3 {
    font-size: 1.125rem;
}

.message-content strong {
    font-weight: 700;
}

.message-content em {
    font-style: italic;
}

.message-content code {
    background-color: rgba(0, 0, 0, 0.1);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
}

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

.message-content ul,
.message-content ol {
    margin: 0.75rem 0;
    padding-left: 1.5rem;
}

.message-content ul {
    list-style-type: disc;
}

.message-content ol {
    list-style-type: decimal;
}

.message-content li {
    margin-bottom: 0.375rem;
}

.message-content li:last-child {
    margin-bottom: 0;
}

.message-content br {
    display: block;
    content: "";
    margin-top: 0.25rem;
}

/* Message without avatar */
.message.no-avatar .message-content {
    margin-left: 0;
    margin-right: 0;
}

/* Streaming Cursor Animation */
.cursor-blink {
    animation: blink 1s infinite;
    color: var(--text-secondary);
    font-weight: normal;
    margin-left: 1px;
}

@keyframes blink {
    0%, 49% {
        opacity: 1;
    }
    50%, 100% {
        opacity: 0;
    }
}

/* Typing Indicator */
.typing-indicator {
    padding: 0 var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.typing-indicator.hidden {
    display: none;
}

.typing-indicator .message-content {
    background-color: var(--assistant-message-bg);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    min-width: 70px;
}

.typing-dots {
    display: flex;
    gap: 6px;
    align-items: center;
    justify-content: center;
}

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

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

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

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

@keyframes typingAnimation {
    0%, 60%, 100% {
        transform: translateY(0) scale(1);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-8px) scale(1.1);
        opacity: 1;
    }
}

/* ==========================================
   INPUT AREA
   ========================================== */
.input-container {
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg) var(--spacing-xl);
    background-color: var(--bg-primary);
}

.input-wrapper {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-end;
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-md);
    transition: all 0.2s ease;
}

.input-wrapper:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.message-input {
    flex: 1;
    border: none;
    outline: none;
    background-color: transparent;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    resize: none;
    max-height: 120px;
    line-height: 1.5;
}

.message-input::placeholder {
    color: var(--text-muted);
}

.voice-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.voice-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.voice-btn.recording {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.1);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.4);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(0, 0, 0, 0);
    }
}

.send-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary-color);
    background: var(--primary-color);
    color: var(--secondary-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.send-btn:hover:not(:disabled) {
    background: var(--secondary-color);
    color: var(--primary-color);
}

.send-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-muted);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 768px) {
    .chat-header {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .chat-title {
        font-size: var(--font-size-lg);
    }
    
    .new-chat-btn span {
        display: none;
    }
    
    .messages-container {
        padding: var(--spacing-lg);
    }
    
    .message-content {
        max-width: 85%;
    }
    
    .input-container {
        padding: var(--spacing-md) var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .bot-avatar {
        width: 36px;
        height: 36px;
    }
    
    .message-content {
        max-width: 90%;
        font-size: var(--font-size-sm);
    }
}