/* mamaope_legal AI - Modern Design System v1.1 */
/* Professional Clinical Decision Support Interface */
/* 
 * DESIGN PHILOSOPHY:
 * - Medical-grade professionalism with approachable warmth
 * - Trust-building through consistent, calm color palette  
 * - Accessibility-first with WCAG AAA compliance
 * - Performance-optimized with minimal re-renders
 * 
 * COLOR SCHEME:
 * - Light Mode: Pure white (#ffffff) backgrounds
 * - Dark Mode: Warm charcoal (#1a1816) backgrounds
 * - Primary: Medical Blue (#1A4275)
 */

/* ===== DESIGN TOKENS ===== */
:root {
    /* Brand Colors - Professional Medical Blue Theme */
    /* Primary: Medical Blue - Trust, professionalism, reliability */
    --primary-50: #f0f5ff;
    --primary-100: #e0ebff;
    --primary-200: #c2d7ff;
    --primary-300: #94b8ff;
    --primary-400: #5c8fff;
    --primary-500: #2e66ff;  /* Primary Brand - Medical Blue */
    --primary-600: #1A4275;  /* Brand Blue */
    --primary-700: #14356b;
    --primary-800: #0f2a5a;
    --primary-900: #0a1f4a;
    
    --primary: var(--primary-600);
    --primary-hover: var(--primary-700);
    --primary-light: var(--primary-400);
    --primary-dark: var(--primary-800);
    
    /* Secondary Medical Colors */
    /* Success: Soft Green - Healing, wellness, positive outcomes */
    --secondary-50: #f0fdf4;
    --secondary-100: #dcfce7;
    --secondary-200: #bbf7d0;
    --secondary-300: #86efac;
    --secondary-400: #4ade80;
    --secondary-500: #22c55e;
    --secondary-600: #16a34a;
    --secondary-700: #15803d;
    
    /* Accent: Warm Coral - Attention, important actions */
    --accent-50: #fff7ed;
    --accent-100: #ffedd5;
    --accent-200: #fed7aa;
    --accent-300: #fdba74;
    --accent-400: #fb923c;
    --accent-500: #f97316;
    --accent-600: #ea580c;
    --accent-700: #c2410c;
    
    /* Error: Muted Red - Alerts without alarm */
    --error-50: #fef2f2;
    --error-100: #fee2e2;
    --error-200: #fecaca;
    --error-300: #fca5a5;
    --error-400: #f87171;
    --error-500: #ef4444;
    --error-600: #dc2626;
    --error-700: #b91c1c;
    
    /* Warning: Soft Amber - Caution, review needed */
    --warning-50: #fefce8;
    --warning-100: #fef9c3;
    --warning-200: #fef08a;
    --warning-300: #fde047;
    --warning-400: #facc15;
    --warning-500: #eab308;
    --warning-600: #ca8a04;
    --warning-700: #a16207;
    
    /* Neutral Colors - Warm Gray Palette */
    --neutral-0: #ffffff;
    --neutral-50: #fafaf9;
    --neutral-100: #f5f5f4;
    --neutral-200: #e7e5e4;
    --neutral-300: #d6d3d1;
    --neutral-400: #a8a29e;
    --neutral-500: #78716c;
    --neutral-600: #57534e;
    --neutral-700: #44403c;
    --neutral-800: #292524;
    --neutral-900: #1c1917;
    
    /* Light Theme Colors (Default) */
    --bg-primary: var(--neutral-0);
    --bg-secondary: var(--neutral-50);
    --bg-tertiary: var(--neutral-100);
    --bg-accent: var(--primary-50);
    
    --text-primary: var(--neutral-900);
    --text-secondary: var(--neutral-600);
    --text-tertiary: var(--neutral-500);
    --text-muted: var(--neutral-400);
    --text-inverse: var(--neutral-0);
    --border-light: var(--neutral-200);
    --border-medium: var(--neutral-300);
    
    /* Message backgrounds */
    --message-user-bg: var(--primary-50);
    --message-ai-bg: var(--neutral-50);
    --message-error-bg: var(--accent-50);
    --bg-accent: var(--primary-50);
    
    /* Modal backdrop */
    --modal-backdrop: rgba(0, 0, 0, 0.3);
}

/* ===== DARK THEME ===== */
[data-theme="dark"] {
    /* Dark Theme Colors - Warm, comfortable darkness */
    --bg-primary: #1a1816;
    --bg-secondary: #252220;
    --bg-tertiary: #322f2c;
    --bg-accent: rgba(20, 184, 166, 0.12);
    
    --text-primary: #fafaf9;
    --text-secondary: #d6d3d1;
    --text-tertiary: #a8a29e;
    --text-muted: #78716c;
    --text-inverse: var(--neutral-900);
    --border-light: #44403c;
    --border-medium: #57534e;
    
    /* Message backgrounds for dark theme */
    --message-user-bg: rgba(20, 184, 166, 0.18);
    --message-ai-bg: #252220;
    --message-error-bg: rgba(239, 68, 68, 0.15);
    
    /* Modal backdrop for dark theme */
    --modal-backdrop: rgba(0, 0, 0, 0.7);
    
    /* Adjusted shadows for dark theme - softer, more subtle */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.5), 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
    
    /* Enhance primary color visibility in dark mode */
    --primary: var(--primary-400);
    --primary-hover: var(--primary-300);
    
    /* Adjust message backgrounds for blue theme */
    --message-user-bg: rgba(26, 66, 117, 0.18);
    --bg-accent: rgba(26, 66, 117, 0.12);
}

/* Dark theme user message styling */
[data-theme="dark"] .user-message .message-content {
    background: #1A4275 !important;  /* Strong blue background */
    color: #ffffff !important;       /* White text */
    border: 1px solid rgba(26, 66, 117, 0.3) !important;
    box-shadow: var(--shadow-sm) !important;
    padding: var(--spacing-md) var(--spacing-lg) !important;
    border-radius: var(--radius-2xl) var(--radius-2xl) var(--radius-sm) var(--radius-2xl) !important;
}

/* Dark theme send button styling */
[data-theme="dark"] #landingSendButton,
[data-theme="dark"] #dashboardSendButton,
[data-theme="dark"] #sendButton {
    background: var(--primary) !important;
    color: #ffffff !important;
    border: none !important;
    box-shadow: var(--shadow-sm) !important;
}

[data-theme="dark"] #landingSendButton:hover:not(:disabled),
[data-theme="dark"] #dashboardSendButton:hover:not(:disabled),
[data-theme="dark"] #sendButton:hover:not(:disabled) {
    background: var(--primary-hover) !important;
    transform: scale(1.05) !important;
    box-shadow: var(--shadow-md) !important;
}

[data-theme="dark"] #landingSendButton:disabled,
[data-theme="dark"] #dashboardSendButton:disabled,
[data-theme="dark"] #sendButton:disabled {
    background: var(--text-muted) !important;
    opacity: 0.4 !important;
    cursor: not-allowed !important;
    transform: none !important;
}

/* Spacing Scale - shared by both themes */
:root {
    /* Spacing Scale */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */
    --font-size-4xl: 2.25rem;   /* 36px */
    --font-size-5xl: 3rem;      /* 48px */
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;
    
    /* Border Radius */
    --radius-xs: 0.125rem;   /* 2px */
    --radius-sm: 0.25rem;    /* 4px */
    --radius-md: 0.375rem;   /* 6px */
    --radius-lg: 0.5rem;     /* 8px */
    --radius-xl: 0.75rem;    /* 12px */
    --radius-2xl: 1rem;      /* 16px */
    --radius-3xl: 1.5rem;    /* 24px */
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    --shadow-ring: 0 0 0 3px rgba(59, 130, 246, 0.5);
    
    /* Transitions */
    --transition-none: none;
    --transition-all: all 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-default: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-colors: color 150ms cubic-bezier(0.4, 0, 0.2, 1), background-color 150ms cubic-bezier(0.4, 0, 0.2, 1), border-color 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-opacity: opacity 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-transform: transform 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-shadow: box-shadow 150ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Motion */
    --duration-75: 75ms;
    --duration-100: 100ms;
    --duration-150: 150ms;
    --duration-200: 200ms;
    --duration-300: 300ms;
    --duration-500: 500ms;
    --duration-700: 700ms;
    --duration-1000: 1000ms;
    
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* Legacy support for existing variable names */
    --spacing-xs: var(--space-1);
    --spacing-sm: var(--space-2);
    --spacing-md: var(--space-4);
    --spacing-lg: var(--space-6);
    --spacing-xl: var(--space-8);
    --spacing-2xl: var(--space-12);
    --radius-sm: var(--radius-md);
    --radius-md: var(--radius-lg);
    --radius-lg: var(--radius-xl);
    --radius-xl: var(--radius-2xl);
    --radius-2xl: var(--radius-3xl);
    --font-family: var(--font-sans);
    --shadow-sm: var(--shadow-sm);
    --shadow-md: var(--shadow-md);
    --shadow-lg: var(--shadow-lg);
    --shadow-xl: var(--shadow-xl);
    --transition-fast: var(--duration-150);
    --transition-normal: var(--duration-300);
    --transition-slow: var(--duration-500);
}

/* Dark theme support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: var(--neutral-900);
        --bg-secondary: var(--neutral-800);
        --bg-tertiary: var(--neutral-700);
        --text-primary: var(--neutral-100);
        --text-secondary: var(--neutral-300);
        --text-tertiary: var(--neutral-400);
        --text-muted: var(--neutral-500);
        --border-light: var(--neutral-700);
        --border-medium: var(--neutral-600);
    }
}

/* ===== RESET & BASE STYLES ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: var(--bg-primary);
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

/* Ensure theme colors apply to all elements */
html,
body,
#appContainer {
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Force light theme colors (will be overridden by [data-theme="dark"]) */
:root:not([data-theme="dark"]) body,
:root:not([data-theme="dark"]) .app-container,
:root:not([data-theme="dark"]) .landing-page,
:root:not([data-theme="dark"]) .main-content,
:root:not([data-theme="dark"]) .chat-container,
:root:not([data-theme="dark"]) .input-area,
:root:not([data-theme="dark"]) .sample-questions,
:root:not([data-theme="dark"]) .disclaimer-section,
:root:not([data-theme="dark"]) .header {
    background-color: #ffffff !important;
}

:root:not([data-theme="dark"]) .chat-messages {
    background-color: transparent;
}

/* Force light backgrounds for input and sample components */
:root:not([data-theme="dark"]) .input-container {
    background-color: #fafaf9 !important;
}

:root:not([data-theme="dark"]) .sample-question {
    background-color: #fafaf9 !important;
}

:root:not([data-theme="dark"]) .sample-question:hover {
    background-color: #f5f5f4 !important;
}

/* Force dark text colors in light theme */
:root:not([data-theme="dark"]) body,
:root:not([data-theme="dark"]) h1,
:root:not([data-theme="dark"]) h2,
:root:not([data-theme="dark"]) h3,
:root:not([data-theme="dark"]) h4,
:root:not([data-theme="dark"]) h5,
:root:not([data-theme="dark"]) h6,
:root:not([data-theme="dark"]) p,
:root:not([data-theme="dark"]) .welcome-message,
:root:not([data-theme="dark"]) .welcome-content h3,
:root:not([data-theme="dark"]) .welcome-content p,
:root:not([data-theme="dark"]) .sample-questions h3,
:root:not([data-theme="dark"]) .sample-question span,
:root:not([data-theme="dark"]) textarea,
:root:not([data-theme="dark"]) input {
    color: #1c1917 !important;
}

/* Force placeholder text to be visible */
:root:not([data-theme="dark"]) textarea::placeholder,
:root:not([data-theme="dark"]) input::placeholder {
    color: #78716c !important;
}

/* Force char counter and input footer text */
:root:not([data-theme="dark"]) .char-counter,
:root:not([data-theme="dark"]) .input-footer {
    color: #78716c !important;
}

/* Force send button visibility in light theme */
:root:not([data-theme="dark"]) #landingSendButton,
:root:not([data-theme="dark"]) #dashboardSendButton,
:root:not([data-theme="dark"]) #sendButton {
    background: var(--primary) !important;
    color: #ffffff !important;
}

/* Force all buttons to have proper colors in light theme */
:root:not([data-theme="dark"]) .btn-primary {
    background: var(--primary) !important;
    color: #ffffff !important;
    border-color: var(--primary) !important;
}

:root:not([data-theme="dark"]) .btn-primary:hover {
    background: var(--primary-hover) !important;
    color: #ffffff !important;
    border-color: var(--primary-hover) !important;
}

:root:not([data-theme="dark"]) .btn-primary:active {
    background: var(--primary-hover) !important;
    color: #ffffff !important;
    border-color: var(--primary-hover) !important;
}

:root:not([data-theme="dark"]) .btn-primary:focus {
    background: var(--primary) !important;
    color: #ffffff !important;
    border-color: var(--primary) !important;
}

:root:not([data-theme="dark"]) .btn-outline {
    background: #ffffff !important;
    color: #1c1917 !important;
    border-color: var(--border-medium) !important;
}

:root:not([data-theme="dark"]) .btn-outline:hover {
    background: var(--bg-accent) !important;
    color: var(--primary) !important;
    border-color: var(--primary) !important;
}

:root:not([data-theme="dark"]) .btn-outline:active {
    background: var(--bg-accent) !important;
    color: var(--primary) !important;
    border-color: var(--primary) !important;
}

:root:not([data-theme="dark"]) .btn-outline:focus {
    background: #ffffff !important;
    color: #1c1917 !important;
    border-color: var(--primary) !important;
}

/* Ensure outline button text and children are dark */
:root:not([data-theme="dark"]) .btn-outline *,
:root:not([data-theme="dark"]) .btn-outline span,
:root:not([data-theme="dark"]) .btn-outline i {
    color: inherit !important;
}

/* Force theme toggle to use outline style in light theme */
:root:not([data-theme="dark"]) .theme-toggle {
    background: #ffffff !important;
    border: 2px solid var(--border-medium) !important;
    color: var(--text-primary) !important;
    box-shadow: var(--shadow-sm) !important;
}

:root:not([data-theme="dark"]) .theme-toggle:hover {
    background: var(--bg-accent) !important;
    border-color: var(--primary) !important;
    box-shadow: var(--shadow-md) !important;
}

:root:not([data-theme="dark"]) .theme-toggle:focus {
    background: #ffffff !important;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(26, 66, 117, 0.1) !important;
}

:root:not([data-theme="dark"]) .theme-toggle-icon {
    color: var(--text-primary) !important;
}

/* Force modal to be light */
:root:not([data-theme="dark"]) .modal-content {
    background: #ffffff !important;
}

:root:not([data-theme="dark"]) .modal-header,
:root:not([data-theme="dark"]) .modal-footer {
    background: #ffffff !important;
    border-color: var(--border-light) !important;
}

:root:not([data-theme="dark"]) .form-group label,
:root:not([data-theme="dark"]) label {
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .form-group input,
:root:not([data-theme="dark"]) .modal input {
    background: #ffffff !important;
    color: #1c1917 !important;
    border-color: #e5e5e5 !important;
}

:root:not([data-theme="dark"]) .form-group input::placeholder,
:root:not([data-theme="dark"]) .modal input::placeholder {
    color: #78716c !important;
}

:root:not([data-theme="dark"]) .modal-header h2 {
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .modal-footer p {
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .modal-footer a {
    color: var(--primary) !important;
}

/* Footer should be light in light theme */
:root:not([data-theme="dark"]) .footer {
    background: #f5f5f4 !important;
    border-top-color: #e5e5e5 !important;
}

:root:not([data-theme="dark"]) .footer,
:root:not([data-theme="dark"]) .footer p,
:root:not([data-theme="dark"]) .footer span,
:root:not([data-theme="dark"]) .footer a {
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .footer a:hover {
    color: var(--primary) !important;
}

/* Force header user profile to be light */
:root:not([data-theme="dark"]) .header-user-profile {
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .header-user-button {
    background: transparent !important;
    border-color: var(--border-light) !important;
}

:root:not([data-theme="dark"]) .header-user-button:hover {
    background: #fafaf9 !important;
    border-color: var(--primary) !important;
}

:root:not([data-theme="dark"]) .header-user-name,
:root:not([data-theme="dark"]) .user-dropdown-name {
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .header-user-role,
:root:not([data-theme="dark"]) .header-dropdown-icon,
:root:not([data-theme="dark"]) .user-dropdown-email {
    color: #78716c !important;
}

:root:not([data-theme="dark"]) .user-dropdown-menu {
    background: #ffffff !important;
    border-color: var(--border-light) !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1) !important;
}

:root:not([data-theme="dark"]) .user-dropdown-item {
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .user-dropdown-item:hover {
    background: #fafaf9 !important;
}

:root:not([data-theme="dark"]) .user-dropdown-item i {
    color: #78716c !important;
}

:root:not([data-theme="dark"]) .user-dropdown-item-danger {
    color: var(--error-500) !important;
}

:root:not([data-theme="dark"]) .user-dropdown-item-danger i {
    color: var(--error-500) !important;
}

/* Force sidebar to be light */
:root:not([data-theme="dark"]) .sidebar {
    background: #ffffff !important;
    border-right: 1px solid var(--border-light) !important;
}

:root:not([data-theme="dark"]) .sidebar-header,
:root:not([data-theme="dark"]) .sidebar-content,
:root:not([data-theme="dark"]) .sidebar-footer {
    background: transparent !important;
}

/* Sidebar logo text */
:root:not([data-theme="dark"]) .sidebar-logo .logo-health {
    color: #1A4275 !important;
}

:root:not([data-theme="dark"]) .sidebar-logo .logo-navy {
    color: #FF3D68 !important;
}

:root:not([data-theme="dark"]) .session-item {
    background: #fafaf9 !important;
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .session-item:hover {
    background: #f5f5f4 !important;
}

:root:not([data-theme="dark"]) .session-item.active {
    background: var(--primary-50) !important;
    color: var(--primary) !important;
}

:root:not([data-theme="dark"]) .user-profile {
    background: #fafaf9 !important;
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .user-name {
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .user-email {
    color: #78716c !important;
}

/* Force AI message content to be light */
:root:not([data-theme="dark"]) .ai-message .message-content {
    background: #fafaf9 !important;
    color: #1c1917 !important;
    border: 1px solid var(--border-light) !important;
}

:root:not([data-theme="dark"]) .ai-message .message-content h2,
:root:not([data-theme="dark"]) .ai-message .message-content h3,
:root:not([data-theme="dark"]) .ai-message .message-content h4,
:root:not([data-theme="dark"]) .ai-message .message-content p,
:root:not([data-theme="dark"]) .ai-message .message-content li,
:root:not([data-theme="dark"]) .ai-message .message-content span,
:root:not([data-theme="dark"]) .ai-message .message-content strong {
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .ai-message .message-content h4 {
    color: var(--primary) !important;
}

:root:not([data-theme="dark"]) .ai-message .message-content em {
    background: #f5f5f4 !important;
    color: #57534e !important;
}

:root:not([data-theme="dark"]) .ai-message .message-content blockquote {
    background: #f5f5f4 !important;
    border-left-color: var(--primary) !important;
}

:root:not([data-theme="dark"]) .ai-message .message-content .numbered-item,
:root:not([data-theme="dark"]) .ai-message .message-content .bullet-item {
    background: transparent !important;
}

:root:not([data-theme="dark"]) .ai-message .message-content pre,
:root:not([data-theme="dark"]) .ai-message .message-content code {
    background: #f5f5f4 !important;
    color: #1c1917 !important;
    border-color: var(--border-light) !important;
}

/* Force diagnosis cards to be light */
:root:not([data-theme="dark"]) .diagnosis-card,
:root:not([data-theme="dark"]) .diagnosis-card-item {
    background: #ffffff !important;
    border-color: var(--border-light) !important;
}

:root:not([data-theme="dark"]) .diagnosis-card h3,
:root:not([data-theme="dark"]) .diagnosis-card h4 {
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .diagnosis-card h3 {
    color: var(--primary) !important;
}

/* Force critical alerts to be visible in light theme */
:root:not([data-theme="dark"]) .critical-alert {
    background: var(--error-50) !important;
    color: #1c1917 !important;
    border-color: var(--error-500) !important;
}

:root:not([data-theme="dark"]) .critical-alert h4 {
    color: var(--error-500) !important;
}

/* Force tags/badges to be styled properly */
:root:not([data-theme="dark"]) .badge,
:root:not([data-theme="dark"]) .tag,
:root:not([data-theme="dark"]) .chip {
    background: #f5f5f4 !important;
    color: #1c1917 !important;
    border-color: var(--border-light) !important;
}

/* Buttons in light theme */
:root:not([data-theme="dark"]) .btn-new-chat {
    background: var(--primary) !important;
    color: #ffffff !important;
}

:root:not([data-theme="dark"]) .btn-new-chat:hover {
    background: var(--primary-hover) !important;
}

:root:not([data-theme="dark"]) .btn-logout {
    background: transparent !important;
    color: var(--error-500) !important;
}

:root:not([data-theme="dark"]) .btn-logout:hover {
    background: var(--error-50) !important;
}

:root:not([data-theme="dark"]) .btn-logout-full {
    background: transparent !important;
    color: var(--error-500) !important;
    border-color: var(--error-500) !important;
}

:root:not([data-theme="dark"]) .btn-logout-full:hover {
    background: var(--error-50) !important;
    color: var(--error-600) !important;
    border-color: var(--error-600) !important;
}


/* ===== LAYOUT COMPONENTS ===== */
.app-container {
    display: flex;
    min-height: 100vh;
    flex-direction: row; /* Changed to row to accommodate sidebar */
    background-color: var(--bg-primary);
    position: relative;
}

/* ===== SIDEBAR (Authenticated Users) ===== */
.sidebar {
    width: 280px;
    min-width: 280px;
    background: var(--bg-primary);
    border-right: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: sticky;
    top: 0;
    overflow: hidden;
    transition: transform var(--transition-normal);
    z-index: 100;
}

.sidebar-header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-light);
}

.sidebar-logo {
    margin-bottom: var(--space-4);
}

.sidebar-logo .welcome-logo {
    font-size: var(--font-size-xl);
    margin: 0;
    justify-content: flex-start;
}

.btn-new-chat {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--primary);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    transition: all var(--transition-fast);
}

.btn-new-chat:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
}

.sessions-header {
    margin-bottom: var(--space-3);
}

.sessions-header h3 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0;
}

.sessions-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.session-item {
    padding: var(--space-3);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
    width: 100%;
}

.session-item:hover {
    background: var(--bg-secondary);
    border-color: var(--border-light);
}

.session-item.active {
    background: var(--bg-accent);
    border-color: var(--primary-200);
}

.session-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.session-date {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.sidebar-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--border-light);
}

.btn-logout-full {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    background: transparent;
    color: var(--error-500);
    border: 1px solid var(--error-500);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-medium);
}

.btn-logout-full:hover {
    background: var(--error-50);
    border-color: var(--error-600);
    color: var(--error-600);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-logout-full:active {
    transform: translateY(0);
}

.btn-logout-full i {
    font-size: var(--font-size-base);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-100);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

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

.user-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-logout {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.btn-logout:hover {
    background: var(--accent-50);
    color: var(--accent-500);
}

/* Landing Page - Enhanced Design */
.landing-page {
    flex: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

/* Removed gradients for flat UI */

/* ===== HEADER COMPONENT ===== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) var(--space-4); /* Reduced padding for better fit */
    background: var(--bg-primary);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    position: relative;
    z-index: var(--z-sticky);
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

/* Header User Profile */
.header-user-profile {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.header-user-menu {
    position: relative;
}

.header-user-button {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-medium);
}

.header-user-button:hover {
    background: var(--bg-secondary);
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.header-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    flex-shrink: 0;
}

.header-user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.header-user-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    line-height: 1.2;
}

.header-user-role {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    line-height: 1.2;
}

.header-dropdown-icon {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    transition: transform var(--transition-medium);
    margin-left: var(--space-1);
}

.header-user-button[aria-expanded="true"] .header-dropdown-icon {
    transform: rotate(180deg);
}

/* User Dropdown Menu */
.user-dropdown-menu {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    min-width: 280px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-2);
    z-index: var(--z-dropdown);
    animation: slideDown 0.2s ease-out;
}

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

.user-dropdown-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
}

.user-dropdown-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    flex-shrink: 0;
}

.user-dropdown-info {
    flex: 1;
    min-width: 0;
}

.user-dropdown-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-dropdown-email {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: var(--space-1);
}

.user-dropdown-divider {
    height: 1px;
    background: var(--border-light);
    margin: var(--space-2) 0;
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-3);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.user-dropdown-item:hover {
    background: var(--bg-secondary);
}

.user-dropdown-item i {
    width: 20px;
    text-align: center;
    font-size: var(--font-size-base);
    color: var(--text-secondary);
}

.user-dropdown-item span {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.user-dropdown-item-danger {
    color: var(--error-500);
}

.user-dropdown-item-danger:hover {
    background: var(--error-50);
}

.user-dropdown-item-danger i {
    color: var(--error-500);
}

@media (max-width: 768px) {
    .header {
        padding: var(--space-4) var(--space-6);
        flex-wrap: wrap;
        gap: var(--space-4);
    }
    
    /* Tablet landing page input container */
    .landing-page .input-container {
        width: 80vw;
        min-width: 600px;
    }
}

@media (max-width: 480px) {
    .header {
    flex-direction: column;
        align-items: center;
        padding: var(--space-4) var(--space-4);
        text-align: center;
    }
}

/* ===== LOGO COMPONENT ===== */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    transition: var(--transition-all);
}

.logo:hover {
    transform: translateY(-1px);
}

.logo-img {
    height: 48px;
    width: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.logo-icon {
    font-size: var(--font-size-3xl);
    color: var(--primary);
    filter: drop-shadow(0 2px 4px rgba(14, 165, 233, 0.2));
}

.logo h1 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin: 0;
    font-family: var(--font-sans);
    letter-spacing: -0.025em;
}

/* Custom HealthNavy Logo Styling */
.custom-logo {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-right: var(--space-2);
}

.logo-health {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: #1A4275;
    font-family: var(--font-sans);
    letter-spacing: -0.025em;
    text-shadow: 0 1px 2px rgba(26, 66, 117, 0.1);
}

.logo-navy {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: #FF3D68;
    font-family: var(--font-sans);
    letter-spacing: -0.025em;
    text-shadow: 0 1px 2px rgba(255, 61, 104, 0.1);
}

.ai-suffix {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--primary);
    background: var(--primary-50);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-1);
    text-align: center;
    width: fit-content;
}

.subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    font-family: var(--font-sans);
    opacity: 0.9;
}

.header-actions {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

@media (max-width: 768px) {
    .header-actions {
        gap: var(--space-2);
    }
}

/* ===== BUTTON COMPONENTS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-xl);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: var(--transition-all);
    border: 1.5px solid transparent;
    cursor: pointer;
    font-family: var(--font-sans);
    line-height: var(--line-height-tight);
    white-space: nowrap;
    user-select: none;
    position: relative;
    overflow: hidden;
}

.btn:focus {
    outline: none;
    box-shadow: var(--shadow-ring);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--text-inverse);
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-color: var(--border-medium);
    box-shadow: var(--shadow-xs);
}

.btn-outline:hover:not(:disabled) {
    background: var(--bg-accent);
    color: var(--primary);
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline:active {
    transform: translateY(0);
    background: var(--primary-50);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-light);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-primary);
    border-color: var(--border-medium);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-lg);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-base);
    border-radius: var(--radius-2xl);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    padding: var(--space-1) var(--space-4); /* Further reduced vertical padding */
    position: relative;
    z-index: 5;
    overflow: visible; /* Changed from hidden to allow content to be fully visible */
}

/* Landing page gets extra width for better input experience */
.landing-page .main-content {
    max-width: 1600px;
    padding: var(--space-1) var(--space-4); /* Further reduced vertical padding */
}

/* Chat Container */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: 0;
    min-height: 0;
    position: relative;
    padding-bottom: 0;
}

.chat-container.centered {
    justify-content: flex-start;
    align-items: center;
}

.chat-container.centered .chat-messages {
    justify-content: flex-start;
    align-items: center;
    flex: 0 0 auto; /* Don't grow OR shrink, auto height */
    overflow-y: visible; /* Prevent scroll for centered welcome content */
    max-height: none; /* Remove height limit */
    padding: var(--space-3) var(--space-4) 0; /* Removed bottom padding */
    min-height: 0;
}


/* Chat Header */
.chat-header {
    padding: var(--space-4) var(--space-5) var(--space-3);
    text-align: center;
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-primary);
}

.chat-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.chat-header p {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
}

/* Chat Messages */
.chat-messages {
    padding: var(--space-3) var(--space-4) 0;
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 0;
    max-height: calc(100vh - 250px); /* Increased height for better visibility */
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

/* Custom scrollbar for webkit browsers */
.chat-messages::-webkit-scrollbar {
    width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

.welcome-message {
    text-align: center;
    color: var(--text-secondary);
    margin: 0;
    padding: 0;
}

.welcome-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-bottom: var(--space-2);
}

/* Header/navbar logo - keep small */
.header .welcome-logo {
    font-size: var(--font-size-xl); /* 20px - small for header */
    line-height: 1;
    margin: 0;
}

/* Welcome message logo - large and prominent */
.welcome-content .welcome-logo,
.chat-messages .welcome-logo {
    font-size: 3.5rem; /* 56px - reduced for more compact layout */
    line-height: 1;
    margin-bottom: var(--space-2); /* Further reduced spacing */
}

/* Ensure h2.welcome-logo in welcome content inherits the large size */
.welcome-content h2.welcome-logo,
.chat-messages h2.welcome-logo {
    font-size: 3.5rem; /* 56px - reduced for more compact layout */
    margin: 0 0 var(--space-2) 0; /* Bottom margin only - reduced */
    padding: 0;
}

/* Ensure h2.welcome-logo in header stays small */
.header h2.welcome-logo {
    font-size: var(--font-size-xl); /* 20px - small for header */
    margin: 0;
    padding: 0;
}

.welcome-logo .logo-health {
    font-size: inherit;
    font-weight: var(--font-weight-bold);
    color: #1A4275;
    font-family: var(--font-sans);
    letter-spacing: -0.025em;
    text-shadow: 0 2px 4px rgba(26, 66, 117, 0.15);
}

.welcome-logo .logo-navy {
    font-size: inherit;
    font-weight: var(--font-weight-bold);
    color: #FF3D68;
    font-family: var(--font-sans);
    letter-spacing: -0.025em;
    text-shadow: 0 2px 4px rgba(255, 61, 104, 0.15);
}

.welcome-logo .logo-ai {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--primary);
    background: var(--primary-50);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-lg);
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-sm);
}

.welcome-content h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-1); /* Reduced from var(--spacing-sm) to half (4px) */
}

.welcome-content p {
    font-size: var(--font-size-xs);
    margin-bottom: 0;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Input Area */
.input-area {
    padding: 0 var(--space-4) 0;
    background: var(--bg-primary);
    flex-shrink: 0;
    position: relative;
    z-index: 10;
}

.input-container {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-sm) var(--spacing-md);
    transition: all var(--transition-normal);
    max-width: 1000px;
    margin: 0 auto;
    width: 95%;
}

/* Landing page input container gets extra width */
.landing-page .input-container {
    max-width: none;
    width: 60vw;
    min-width: 800px;
}

.input-container:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--bg-accent);
    background: var(--bg-primary);
}

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

.icon-link, .icon-deep-reasoning {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.icon-link:hover, .icon-deep-reasoning:hover {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* Input styling for both landing and dashboard */
#landingMessageInput, #dashboardMessageInput {
    flex: 1;
    border: none;
    outline: none;
    font-size: var(--font-size-base);
    font-family: inherit;
    resize: none;
    padding: var(--spacing-sm) 0;
    line-height: 1.5;
    max-height: 120px;
    min-height: 40px;
    background: transparent;
    color: var(--text-primary);
}

#landingMessageInput::placeholder, #dashboardMessageInput::placeholder {
    color: var(--text-muted);
}

#landingSendButton, #dashboardSendButton {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--primary-color);
    color: var(--text-inverse);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
    margin-left: var(--spacing-xs);
}

#sendButton:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

#sendButton:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    background: var(--text-muted);
}

/* Input Area */
.input-area {
    padding: var(--space-3) var(--space-4);
    background: var(--bg-primary);
}

.input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-md);
    padding: 0 var(--space-2);
}

.input-footer small {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}

.char-counter {
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
}

.char-counter.warning {
    color: var(--warning-500);
}

.char-counter.error {
    color: var(--accent-500);
}

/* Sample Questions */
.sample-questions {
    padding: var(--space-2) var(--space-4);
    background: var(--bg-primary);
    flex-shrink: 0;
    margin-top: 0;
}

/* Stack questions within a category with spacing between them */
.sample-category {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.sample-questions h3 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.sample-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-sm);
    max-width: 1000px;
    margin: 0 auto;
}

.sample-question {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    margin-bottom: 0; /* spacing is controlled by .sample-category gap */
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: left;
    box-shadow: var(--shadow-sm);
}

.sample-question:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.sample-question i {
    font-size: var(--font-size-sm);
    color: var(--primary-color);
    width: 20px;
    text-align: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.sample-question span {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    font-weight: 400;
    line-height: 1.4;
}

/* Disclaimer Section */
.disclaimer-section {
    padding: 0 var(--space-4);
    background: var(--bg-primary);
    margin-top: 0;
    margin-bottom: 0;
    position: relative;
    z-index: 5;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: fit-content;
}

.disclaimer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    color: var(--warning-700);
    font-size: var(--font-size-xs);
    text-align: center;
    padding: var(--space-2) var(--space-3);
    background: var(--warning-50);
    border: 1px solid var(--warning-200);
    border-radius: var(--radius-md);
    max-width: 800px;
    margin: 0 auto;
}

.disclaimer i {
    color: var(--warning-600);
    flex-shrink: 0;
    font-size: var(--font-size-sm);
}

/* Footer */
.footer {
    padding: var(--space-2) var(--space-4); /* Further reduced padding */
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-light);
    flex-shrink: 0;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-4);
    align-items: center;
}

.footer-brand {
    text-align: left;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 2px;
}

.footer-logo .logo-health {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    color: #1A4275;
    font-family: var(--font-sans);
}

.footer-logo .logo-navy {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    color: #FF3D68;
    font-family: var(--font-sans);
}

.footer-copyright {
    text-align: center;
}

.footer-copyright span {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

.footer-links {
    display: flex;
    gap: var(--space-4);
    justify-content: flex-end;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: var(--transition-colors);
    white-space: nowrap;
}

.footer-links a:hover {
    color: var(--primary);
}

/* Dashboard Page */
.dashboard-page {
    display: flex;
    min-height: 100vh;
    background: var(--bg-secondary);
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--bg-primary);
    border-right: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    position: relative;
}

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

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

.sidebar-header .logo i {
    font-size: var(--font-size-xl);
    color: var(--primary-color);
}

.sidebar-header .logo span {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

/* Duplicate .sidebar-content removed - already defined at line 285 */

.sidebar-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.sidebar-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.sidebar-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-inverse);
}

.sidebar-btn i {
    font-size: var(--font-size-base);
}

.sessions-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    /* Removed overflow-y and max-height - parent .sidebar-content handles scrolling */
}

.session-item {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.session-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-medium);
}

.session-item.active {
    background: var(--primary-color);
    color: var(--text-inverse);
    border-color: var(--primary-color);
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
    background: var(--bg-secondary);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    font-size: var(--font-size-sm);
}

.user-details {
    flex: 1;
}

.user-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.user-email {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.logout-btn {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.logout-btn:hover {
    background: #ef4444;
    border-color: #ef4444;
    color: var(--text-inverse);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--modal-backdrop);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-light);
}

.modal-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-group input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: all var(--transition-fast);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--bg-accent);
}

.modal-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.modal-footer p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
}

.modal-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.modal-footer a:hover {
    text-decoration: underline;
}

/* Message Styles */
.message {
    margin-bottom: var(--spacing-lg);
    animation: fadeIn 0.3s ease-in;
}

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

.user-message {
    display: flex;
    justify-content: flex-end;
    margin-bottom: var(--spacing-md);
}

.user-message .message-content {
    background: var(--primary-color);
    color: var(--text-inverse);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-2xl) var(--radius-2xl) var(--radius-sm) var(--radius-2xl);
    max-width: 70%;
    line-height: 1.5;
    font-size: var(--font-size-sm);
}

.ai-message {
    display: flex;
    justify-content: flex-start;
    margin-bottom: var(--spacing-md);
}

.ai-message .message-content {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-2xl) var(--radius-2xl) var(--radius-2xl) var(--radius-sm);
    max-width: 90%;
    line-height: 1.6;
    box-shadow: var(--shadow-sm);
}

/* Professional AI Response Styling */
.diagnosis-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin: var(--spacing-md) 0;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.diagnosis-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-color);
}

.diagnosis-card h3 {
    color: var(--primary-color);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    border-bottom: 2px solid var(--border-light);
    padding-bottom: var(--spacing-md);
}

.diagnosis-card h4 {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: var(--spacing-lg) 0 var(--spacing-md) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.diagnosis-card h4::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 2px;
}

.case-discussion {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-md) 0;
    border-left: 4px solid var(--primary-color);
}

/* Enhanced Differential Diagnoses Styling */
.differential-diagnoses-section {
    margin: var(--spacing-xl) 0;
}

.diagnoses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

/* Responsive design for differential diagnoses */
@media (max-width: 768px) {
    .diagnoses-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .diagnosis-card-item {
        padding: var(--spacing-md);
    }
    
    .diagnosis-content {
        padding-right: 40px;
    }
    
    .diagnosis-rank {
        width: 28px;
        height: 28px;
        font-size: var(--font-size-xs);
    }
    
    .diagnosis-title {
        font-size: var(--font-size-base);
    }
    
    .probability-container {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
}

.diagnosis-card-item {
    background: var(--bg-primary);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    position: relative;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.diagnosis-card-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.diagnosis-card-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-color);
}

.diagnosis-rank {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--primary-color);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow-sm);
}

.diagnosis-content {
    padding-right: 50px; /* Make room for rank number */
}

.diagnosis-header {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.diagnosis-title {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: 0;
    line-height: 1.4;
}

.probability-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.probability-badge {
    color: var(--text-primary);
    padding: 0;
    font-size: var(--font-size-sm);
    font-weight: 700;
    background: transparent;
}

.probability-label {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.diagnosis-evidence {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    border-left: 3px solid var(--primary-color);
    line-height: 1.6;
    color: var(--text-primary);
}

.diagnosis-evidence strong {
    color: var(--primary-color);
    font-weight: 600;
}

.diagnosis-citations {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    margin: var(--spacing-md) 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    border-left: 3px solid var(--text-muted);
}

.diagnosis-citations strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Legacy diagnosis list styling for backward compatibility */
.diagnosis-list {
    margin: var(--spacing-lg) 0;
}

.diagnosis-list ul {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0;
}

.diagnosis-list li {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin: var(--spacing-sm) 0;
    position: relative;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.diagnosis-list li:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.diagnosis-list li::before {
    content: '🔍';
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--font-size-lg);
}

.diagnosis-list li {
    padding-left: calc(var(--spacing-md) + 30px);
}

.sources {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    border-left: 4px solid var(--text-muted);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.disclaimer {
    background: var(--warning-50);
    border: 1px solid var(--warning-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--warning-700);
    text-align: center;
    font-style: italic;
}

/* Enhanced text formatting */
.ai-message .message-content h4 {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: var(--spacing-lg) 0 var(--spacing-md) 0;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-light);
}

.ai-message .message-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.ai-message .message-content em {
    color: var(--text-secondary);
    font-style: italic;
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}

.ai-message .message-content ul {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.ai-message .message-content li {
    margin: var(--spacing-sm) 0;
    line-height: 1.6;
}

.ai-message .message-content p {
    margin: var(--spacing-md) 0;
    line-height: 1.7;
}

/* Alert styling */
.ai-message .message-content h4[style*="color: #dc3545"] {
    background: var(--error-50);
    color: var(--error-600);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--error-200);
    margin: var(--spacing-lg) 0;
}

/* JSON Response Styling */
.critical-alert {
    background: var(--error-50);
    border: 2px solid var(--error-500);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    text-align: center;
}

.critical-alert h4 {
    color: var(--error-500);
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.diagnosis-item {
    padding: var(--spacing-md);
}

.diagnosis-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.probability-badge {
    color: var(--text-primary);
    padding: 0;
    font-size: var(--font-size-sm);
    font-weight: 600;
    background: transparent;
}

.diagnosis-evidence {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

.diagnosis-citations {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    font-style: italic;
}

.workup-section, .management-section, .red-flags-section, .additional-info {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    border-left: 4px solid var(--primary-color);
}

.red-flags-section {
    border-left-color: var(--error-500);
    background: var(--error-50);
}

.workup-section ul, .management-section ul, .red-flags-section ul {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0;
}

.workup-section li, .management-section li, .red-flags-section li {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin: var(--spacing-sm) 0;
    position: relative;
    transition: all var(--transition-fast);
}

.workup-section li::before {
    content: '🔬';
    margin-right: var(--spacing-sm);
}

.management-section li::before {
    content: '💊';
    margin-right: var(--spacing-sm);
}

.red-flags-section li::before {
    content: '🚩';
    margin-right: var(--spacing-sm);
}

.error-message {
    background: var(--error-50);
    border: 1px solid var(--error-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--error-600);
    text-align: center;
    margin: var(--spacing-md) 0;
}

/* Enhanced list styling for better readability */
.ai-message .message-content .numbered-item, 
.ai-message .message-content .bullet-item {
    background: transparent;
    padding: var(--spacing-sm) 0;
    margin: var(--spacing-sm) 0;
    border-left: none;
    line-height: 1.7;
    transition: all var(--transition-fast);
    position: relative;
    display: block;
    clear: both;
}

.ai-message .message-content .numbered-item:hover, 
.ai-message .message-content .bullet-item:hover {
    transform: none;
    box-shadow: none;
}

.ai-message .message-content .numbered-item .number {
    font-weight: 700;
    color: var(--primary-color);
    margin-right: var(--spacing-md);
    font-size: var(--font-size-lg);
    display: inline-block;
}

.ai-message .message-content .bullet-item::before {
    content: '•';
    color: var(--primary-color);
    font-weight: 700;
    font-size: var(--font-size-lg);
    margin-right: var(--spacing-md);
    background: var(--bg-accent);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    display: inline-block;
    min-width: 24px;
    text-align: center;
}

/* Ensure lists are properly separated from other content */
.ai-message .message-content .numbered-item + .numbered-item,
.ai-message .message-content .bullet-item + .bullet-item {
    margin-top: var(--spacing-sm);
}

.ai-message .message-content .numbered-item + p,
.ai-message .message-content .bullet-item + p,
.ai-message .message-content p + .numbered-item,
.ai-message .message-content p + .bullet-item {
    margin-top: var(--spacing-md);
}

/* Enhanced Markdown formatting for better readability */
.ai-message .message-content h2 {
    color: var(--primary-color);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin: var(--spacing-md) 0 var(--spacing-lg) 0;
    padding: var(--spacing-md) 0;
    border-bottom: 3px solid var(--primary-color);
    position: relative;
    letter-spacing: -0.02em;
}

.ai-message .message-content h2::before {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

.ai-message .message-content h3 {
    color: var(--text-primary);
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin: var(--spacing-md) 0 var(--spacing-md) 0;
    padding: var(--spacing-sm) 0 var(--spacing-sm) 0;
    border-left: 4px solid var(--primary-color);
    padding-left: var(--spacing-md);
    letter-spacing: -0.01em;
}

.ai-message .message-content h4 {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: var(--spacing-lg) 0 var(--spacing-sm) 0;
    padding: var(--spacing-sm) 0;
    position: relative;
    letter-spacing: -0.01em;
}

.ai-message .message-content h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 1px;
}

.ai-message .message-content p {
    margin: var(--spacing-lg) 0;
    line-height: 1.8;
    color: var(--text-primary);
    font-size: var(--font-size-base);
    text-align: justify;
    text-justify: inter-word;
    hyphens: auto;
}

.ai-message .message-content p:first-child {
    margin-top: 0;
}

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

.ai-message .message-content blockquote {
    background: var(--bg-secondary);
    border-left: 4px solid var(--primary-color);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin: var(--spacing-xl) 0;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    font-style: italic;
    color: var(--text-secondary);
    position: relative;
    box-shadow: var(--shadow-sm);
    line-height: 1.7;
}

.ai-message .message-content blockquote::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: var(--spacing-md);
    font-size: 3rem;
    color: var(--primary-color);
    opacity: 0.3;
    font-family: serif;
}

.ai-message .message-content hr {
    border: none;
    height: 1px;
    background: var(--border-light);
    margin: var(--spacing-2xl) 0;
    opacity: 0.6;
}

.ai-message .message-content pre {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.ai-message .message-content code {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 2px 6px;
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.ai-message .message-content .inline-code {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 2px 6px;
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.ai-message .message-content a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-fast);
}

.ai-message .message-content a:hover {
    border-bottom-color: var(--primary-color);
    text-decoration: none;
}

.ai-message .message-content .probability-badge {
    background: transparent;
    color: var(--text-primary);
    padding: 0;
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin: 0;
}

/* Medical content specific styling */
.ai-message .message-content h4[style*="color: #dc3545"] {
    background: var(--error-50);
    color: var(--error-600);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--error-200);
    margin: var(--spacing-lg) 0;
}

/* Enhanced overall message content styling */
.ai-message .message-content {
    word-wrap: break-word;
    overflow-wrap: break-word;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    letter-spacing: 0.01em;
    line-height: 1.6;
}

.ai-message .message-content * {
    max-width: 100%;
}

/* Improved spacing between elements */
.ai-message .message-content > * {
    margin-bottom: var(--spacing-md);
}

.ai-message .message-content > *:last-child {
    margin-bottom: 0;
}

/* ===== COMPREHENSIVE SPACING & HIERARCHY ===== */

/* Headings hierarchy with proper spacing */
.ai-message .message-content h1,
.ai-message .message-content h2,
.ai-message .message-content h3,
.ai-message .message-content h4,
.ai-message .message-content h5,
.ai-message .message-content h6 {
    margin-top: 0.75em;
    margin-bottom: 0.75em;
    line-height: 1.3;
    font-weight: 600;
}

/* First heading should not have top margin */
.ai-message .message-content > h1:first-child,
.ai-message .message-content > h2:first-child,
.ai-message .message-content > h3:first-child,
.ai-message .message-content > h4:first-child {
    margin-top: 0;
}

/* H2 - Main sections */
.ai-message .message-content h2 {
    font-size: 1.75em;
    color: var(--primary) !important;
    margin-top: 0.75em;
    margin-bottom: 1em;
    padding-bottom: 0.5em;
    border-bottom: 2px solid var(--border-light);
}

/* H3 - Subsections */
.ai-message .message-content h3 {
    font-size: 1.5em;
    color: var(--text-primary) !important;
    margin-top: 1.75em;
    margin-bottom: 0.75em;
}

/* H4 - Sub-subsections with icons */
.ai-message .message-content h4 {
    font-size: 1.25em;
    color: var(--primary) !important;
    margin-top: 1.5em;
    margin-bottom: 0.75em;
}

/* H5 and H6 - Smaller headings */
.ai-message .message-content h5 {
    font-size: 1.1em;
    color: var(--text-primary) !important;
    margin-top: 1.25em;
    margin-bottom: 0.5em;
}

.ai-message .message-content h6 {
    font-size: 1em;
    color: var(--text-secondary) !important;
    margin-top: 1em;
    margin-bottom: 0.5em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Paragraphs - proper spacing */
.ai-message .message-content p {
    margin-top: 0.75em;
    margin-bottom: 0.75em;
    line-height: 1.8;
    color: var(--text-primary) !important;
}

.ai-message .message-content p:first-child {
    margin-top: 0;
}

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

/* Lists - proper spacing and styling */
.ai-message .message-content ul,
.ai-message .message-content ol {
    margin-top: 1em;
    margin-bottom: 1em;
    padding-left: 2em;
    line-height: 1.8;
}

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

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

.ai-message .message-content li {
    margin-top: 0.5em;
    margin-bottom: 0.5em;
    color: var(--text-primary) !important;
}

.ai-message .message-content li:first-child {
    margin-top: 0;
}

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

/* Nested lists */
.ai-message .message-content ul ul,
.ai-message .message-content ol ol,
.ai-message .message-content ul ol,
.ai-message .message-content ol ul {
    margin-top: 0.5em;
    margin-bottom: 0.5em;
}

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

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

/* Spacing after headings to content */
.ai-message .message-content h2 + p,
.ai-message .message-content h3 + p,
.ai-message .message-content h4 + p,
.ai-message .message-content h5 + p,
.ai-message .message-content h6 + p {
    margin-top: 0.5em;
}

/* Spacing after headings to lists */
.ai-message .message-content h2 + ul,
.ai-message .message-content h2 + ol,
.ai-message .message-content h3 + ul,
.ai-message .message-content h3 + ol,
.ai-message .message-content h4 + ul,
.ai-message .message-content h4 + ol {
    margin-top: 0.75em;
}

/* Spacing after lists to headings */
.ai-message .message-content ul + h2,
.ai-message .message-content ol + h2,
.ai-message .message-content ul + h3,
.ai-message .message-content ol + h3,
.ai-message .message-content ul + h4,
.ai-message .message-content ol + h4 {
    margin-top: 1em;
}

/* Blockquotes */
.ai-message .message-content blockquote {
    margin-top: 1.5em;
    margin-bottom: 1.5em;
    padding: 1em 1.5em;
    border-left: 4px solid var(--primary);
    background: var(--bg-secondary);
    color: var(--text-primary) !important;
}

.ai-message .message-content blockquote p {
    margin: 0.5em 0;
}

.ai-message .message-content blockquote p:first-child {
    margin-top: 0;
}

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

/* Horizontal rules */
.ai-message .message-content hr {
    margin-top: 2em;
    margin-bottom: 2em;
    border: none;
    border-top: 2px solid var(--border-light);
}

/* Code blocks */
.ai-message .message-content pre {
    margin-top: 1.5em;
    margin-bottom: 1.5em;
    padding: 1em;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow-x: auto;
}

.ai-message .message-content pre code {
    color: var(--text-primary) !important;
    background: transparent;
    padding: 0;
    font-size: 0.9em;
    line-height: 1.6;
}

/* Inline code */
.ai-message .message-content code {
    padding: 0.2em 0.4em;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.9em;
    color: var(--text-primary) !important;
    font-family: 'Courier New', monospace;
}

/* Tables */
.ai-message .message-content table {
    margin-top: 1.5em;
    margin-bottom: 1.5em;
    width: 100%;
    border-collapse: collapse;
}

.ai-message .message-content table th {
    padding: 0.75em 1em;
    text-align: left;
    font-weight: 600;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    color: var(--text-primary) !important;
}

.ai-message .message-content table td {
    padding: 0.75em 1em;
    border: 1px solid var(--border-light);
    color: var(--text-primary) !important;
}

.ai-message .message-content table tbody tr:hover {
    background: var(--bg-accent);
}

/* Strong and emphasis */
.ai-message .message-content strong {
    font-weight: 600;
    color: var(--text-primary) !important;
}

.ai-message .message-content em {
    font-style: italic;
    color: var(--text-primary) !important;
}

/* Links */
.ai-message .message-content a {
    color: var(--primary) !important;
    text-decoration: underline;
    transition: color var(--transition-fast);
}

.ai-message .message-content a:hover {
    color: var(--primary-700) !important;
}

/* Custom classes for numbered/bullet items */
.ai-message .message-content .numbered-item,
.ai-message .message-content .bullet-item {
    margin: 0.5em 0;
    padding-left: 1.5em;
    color: var(--text-primary) !important;
}

.ai-message .message-content .medical-value {
    display: inline;
    padding: 0;
    background: transparent;
    color: var(--text-primary) !important;
    font-weight: 600;
    font-size: 0.95em;
}

/* Enhanced markdown classes spacing within AI messages */
.ai-message .message-content .ordered-list,
.ai-message .message-content .unordered-list {
    margin: 1em 0;
    padding-left: 2em;
    line-height: 1.8;
}

.ai-message .message-content .ordered-list li,
.ai-message .message-content .unordered-list li {
    margin: 0.5em 0;
    color: var(--text-primary) !important;
}

.ai-message .message-content .emphasized-item {
    font-weight: 600;
    color: var(--primary) !important;
}

.ai-message .message-content .code-block-wrapper {
    margin: 1.5em 0;
}

.ai-message .message-content .blockquote {
    margin: 1.5em 0;
}

.ai-message .message-content .alert-heading {
    margin: 1.5em 0;
}

.ai-message .message-content .table-wrapper {
    margin: 1.5em 0;
}

/* Spacing after headings to markdown classes */
.ai-message .message-content h2 + .ordered-list,
.ai-message .message-content h2 + .unordered-list,
.ai-message .message-content h3 + .ordered-list,
.ai-message .message-content h3 + .unordered-list,
.ai-message .message-content h4 + .ordered-list,
.ai-message .message-content h4 + .unordered-list {
    margin-top: 0.75em;
}

.ai-message .message-content h2 + .code-block-wrapper,
.ai-message .message-content h3 + .code-block-wrapper,
.ai-message .message-content h4 + .code-block-wrapper {
    margin-top: 0.75em;
}

.ai-message .message-content h2 + .table-wrapper,
.ai-message .message-content h3 + .table-wrapper,
.ai-message .message-content h4 + .table-wrapper {
    margin-top: 0.75em;
}

/* Better text selection */
.ai-message .message-content ::selection {
    background: var(--bg-accent);
    color: var(--text-primary);
}

/* Improved focus states for accessibility */
.ai-message .message-content a:focus,
.ai-message .message-content button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Enhanced readability for long content */
.ai-message .message-content {
    max-width: 100%;
    hyphens: auto;
    -webkit-hyphens: auto;
    -ms-hyphens: auto;
}

/* Better contrast for medical content */
.ai-message .message-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.ai-message .message-content em {
    color: var(--text-secondary);
    font-style: italic;
    background: var(--bg-tertiary);
    padding: 1px 3px;
    border-radius: var(--radius-sm);
}

.ai-message h4 {
    color: var(--text-primary);
    margin: var(--spacing-md) 0 var(--spacing-sm) 0;
    font-size: var(--font-size-base);
    font-weight: 600;
}

.ai-message h4:first-child {
    margin-top: 0;
}

.ai-message strong {
    color: var(--text-primary);
    font-weight: 600;
}

.ai-message ul {
    margin: var(--spacing-sm) 0 var(--spacing-sm) var(--spacing-lg);
}

.ai-message li {
    margin-bottom: var(--spacing-xs);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .logo h1 {
        font-size: var(--font-size-xl);
    }
    
    .header-actions {
        gap: var(--spacing-sm);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-xs);
    }
    
    .main-content {
        padding: var(--space-2) var(--space-3);
    }
    
    .chat-header h2 {
        font-size: var(--font-size-2xl);
    }
    
    .chat-header p {
        font-size: var(--font-size-base);
    }
    
    .capabilities {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .sample-grid {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        width: 100%;
        position: fixed;
        top: 0;
        left: -100%;
        height: 100vh;
        z-index: 100;
        transition: left var(--transition-normal);
    }
    
    .sidebar.open {
        left: 0;
    }
    
    .dashboard-page {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .header {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .header-actions {
        width: 100%;
        justify-content: center;
    }
    
    .main-content {
        padding: var(--spacing-md);
    }
    
    .chat-container {
        margin-bottom: var(--spacing-lg);
    }
    
    .chat-header {
        padding: var(--space-2) var(--space-3);
    }
    
    .chat-messages {
        padding: var(--space-2) var(--space-3);
        min-height: 300px;
        max-height: 400px;
    }
    
    .input-area {
        padding: var(--space-2) var(--space-3);
    }
    
    .input-container {
        padding: var(--spacing-sm);
        width: 95%;
        max-width: none;
        min-width: unset;
    }
    
    /* Mobile landing page input container */
    .landing-page .input-container {
        width: 95%;
        min-width: unset;
    }
    
    /* Mobile logo adjustments */
    .custom-logo {
    flex-direction: column;
        gap: 0;
        margin-right: var(--space-2);
    }
    
    .logo-health, .logo-navy {
        font-size: var(--font-size-xl);
    }
    
    .welcome-logo .logo-health,
    .welcome-logo .logo-navy {
        font-size: var(--font-size-2xl);
    }
    
    .welcome-logo .logo-ai {
        font-size: var(--font-size-base);
    }
    
    .sample-question {
        padding: var(--spacing-md);
    }
    
    .modal-content {
        width: 95%;
        margin: var(--spacing-md);
    }
    
    /* Mobile Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    text-align: center;
}

    .footer-brand,
    .footer-copyright,
    .footer-links {
        text-align: center;
        justify-content: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        gap: var(--space-3);
    }
    
    .footer-brand {
        order: 1;
    }
    
    .footer-copyright {
        order: 2;
    }
    
    .footer-links {
        order: 3;
    }
    
    .disclaimer-section {
        padding: var(--space-3) var(--space-4);
    }
    
    .disclaimer {
        font-size: var(--font-size-xs);
        padding: var(--space-2) var(--space-3);
    }
}

/* ===== AUTHENTICATED USER STYLES ===== */
/* Hide sample questions for authenticated users */
.app-container.authenticated .sample-questions {
    display: none;
}

/* Hide header login buttons for authenticated users */
.app-container.authenticated .header-actions {
    display: none;
}

/* Adjust layout when sidebar is visible */
.app-container.authenticated .landing-page {
    margin-left: 0; /* Sidebar handles spacing */
}

/* ===== EMPTY STATES ===== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-4);
    text-align: center;
    color: var(--text-tertiary);
}

.empty-state i {
    font-size: 3rem;
    color: var(--neutral-300);
    margin-bottom: var(--space-3);
    opacity: 0.5;
}

.empty-state p {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.empty-state small {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

/* Hide empty state when sessions exist */
.sessions-list:has(.session-item) .empty-state {
    display: none;
}

/* ===== LOADING STATES ===== */
.loading-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--primary-50);
    border-radius: var(--radius-lg);
    margin-top: var(--space-2);
}

.loading-dots {
    display: flex;
    gap: var(--space-1);
}

.loading-dots span {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.loading-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes bounce {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.loading-text {
    font-size: var(--font-size-sm);
    color: var(--primary);
    font-weight: var(--font-weight-medium);
}

/* Skeleton loading for sessions */
.skeleton-session {
    padding: var(--space-3);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2);
    animation: pulse 1.5s ease-in-out infinite;
}

.skeleton-session .skeleton-line {
    height: 12px;
    background: var(--neutral-200);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-2);
}

.skeleton-session .skeleton-line:last-child {
    width: 60%;
    margin-bottom: 0;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* ===== ENHANCED INTERACTIONS ===== */
/* Smooth focus states */
textarea:focus,
input:focus,
button:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Better button hover states */
.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Session item enhanced interactions */
.session-item {
    position: relative;
    overflow: hidden;
}

.session-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary);
    transform: scaleY(0);
    transition: transform var(--transition-fast);
}

.session-item.active::before {
    transform: scaleY(1);
}

.session-item:hover {
    transform: translateX(2px);
}

/* Tooltip styles */
[title] {
    position: relative;
    cursor: help;
}

/* Enhanced sample questions */
.sample-question {
    position: relative;
    overflow: hidden;
}

/* Removed gradient for flat UI */

.sample-question i,
.sample-question span {
    position: relative;
    z-index: 1;
}

/* ===== IMPROVED TYPOGRAPHY ===== */
/* Better readability for chat messages */
.message-content {
    line-height: var(--line-height-relaxed);
    letter-spacing: 0.01em;
}

.message-content p {
    margin-bottom: var(--space-3);
}

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

/* Enhanced code blocks in messages */
.message-content code {
    background: var(--neutral-100);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.9em;
}

.message-content pre {
    background: var(--neutral-100);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--space-3) 0;
}

/* ===== ACCESSIBILITY IMPROVEMENTS ===== */
/* Skip to main content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: var(--text-inverse);
    padding: var(--space-2) var(--space-4);
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn-outline {
        border-width: 2px;
    }
    
    .session-item {
        border-width: 2px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== THEME TOGGLE ===== */
.theme-toggle {
    position: relative;
    width: 60px;
    height: 30px;
    background: var(--neutral-200);
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-colors);
    padding: 0;
    overflow: hidden;
}

[data-theme="dark"] .theme-toggle {
    background: var(--neutral-700);
}

.theme-toggle-slider {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 24px;
    height: 24px;
    background: var(--bg-primary);
    border-radius: 50%;
    transition: transform var(--transition-transform);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .theme-toggle-slider {
    transform: translateX(30px);
}

.theme-toggle-icon {
    font-size: 12px;
    color: var(--primary);
}

.theme-toggle:hover {
    background: var(--neutral-300);
}

[data-theme="dark"] .theme-toggle:hover {
    background: var(--neutral-600);
}

.theme-toggle:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Theme toggle in header */
.header-theme-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Theme toggle in sidebar footer */
.sidebar-footer .theme-toggle {
    margin-top: var(--space-3);
}

/* Smooth theme transition */
body {
    transition: background-color var(--transition-colors), color var(--transition-colors);
}

/* ===== ENHANCED MARKDOWN STYLES ===== */

/* Alert Headings */
.alert-heading {
    color: var(--error-500) !important;
    background: var(--error-50);
    padding: var(--space-3) var(--space-4);
    border-left: 4px solid var(--error-500);
    border-radius: var(--radius-md);
    margin: var(--space-4) 0;
}

/* Ordered and Unordered Lists */
.ordered-list,
.unordered-list {
    margin: var(--space-4) 0;
    padding-left: var(--space-6);
    line-height: 1.8;
}

.ordered-list li,
.unordered-list li {
    margin: var(--space-2) 0;
    color: var(--text-primary);
}

.emphasized-item {
    font-weight: 600;
    color: var(--primary);
}

/* Code Block Wrapper with Header */
.code-block-wrapper {
    margin: var(--space-4) 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.code-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
}

.code-language {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

.copy-code-btn {
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: var(--space-1) var(--space-2);
    cursor: pointer;
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    transition: all var(--transition-medium);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.copy-code-btn:hover {
    background: var(--bg-accent);
    color: var(--primary);
    border-color: var(--primary);
}

.copy-code-btn.copied {
    background: var(--secondary-50);
    color: var(--secondary-600);
    border-color: var(--secondary-600);
}

.code-block-wrapper .code-block {
    margin: 0;
    padding: var(--space-4);
    background: var(--bg-tertiary);
    overflow-x: auto;
}

.code-block-wrapper code {
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--text-primary);
}

/* Enhanced Blockquotes */
.blockquote {
    position: relative;
    margin: var(--space-4) 0;
    padding: var(--space-4);
    padding-left: var(--space-8);
    background: var(--bg-secondary);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.blockquote-icon {
    position: absolute;
    left: var(--space-4);
    top: var(--space-4);
    font-size: var(--font-size-xl);
    line-height: 1;
}

.blockquote-content {
    flex: 1;
}

.blockquote-content p:first-child {
    margin-top: 0;
}

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

/* Blockquote Variants */
.blockquote.note {
    background: var(--primary-50);
    border-left-color: var(--primary);
}

.blockquote.warning {
    background: var(--warning-50);
    border-left-color: var(--warning-500);
}

.blockquote.tip {
    background: var(--secondary-50);
    border-left-color: var(--secondary-500);
}

.blockquote.important {
    background: var(--error-50);
    border-left-color: var(--error-500);
}

/* Enhanced Tables */
.table-wrapper {
    margin: var(--space-4) 0;
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.medical-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
}

.medical-table thead {
    background: var(--bg-secondary);
}

.medical-table th {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-medium);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.medical-table td {
    padding: var(--space-3) var(--space-4);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
}

.medical-table tbody tr:hover {
    background: var(--bg-accent);
}

.medical-table tbody tr:last-child td {
    border-bottom: none;
}

/* Medical Value Highlighting */
.medical-value {
    display: inline-block;
    padding: 2px 8px;
    background: var(--secondary-50);
    color: var(--secondary-700);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-family: 'Courier New', monospace;
    font-size: 0.95em;
}

/* External Link Icon */
a .fa-external-link-alt {
    font-size: 0.8em;
    margin-left: 4px;
    opacity: 0.6;
}

/* Light Theme Overrides for Markdown Components */
:root:not([data-theme="dark"]) .code-block-wrapper {
    background: #f5f5f4 !important;
    border-color: var(--border-light) !important;
}

:root:not([data-theme="dark"]) .code-block-header {
    background: #fafaf9 !important;
    border-bottom-color: var(--border-light) !important;
}

:root:not([data-theme="dark"]) .code-block-wrapper .code-block {
    background: #f5f5f4 !important;
}

:root:not([data-theme="dark"]) .code-block-wrapper code {
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .code-language {
    color: #57534e !important;
}

:root:not([data-theme="dark"]) .copy-code-btn {
    color: #57534e !important;
    border-color: var(--border-light) !important;
}

:root:not([data-theme="dark"]) .blockquote {
    background: #f5f5f4 !important;
}

:root:not([data-theme="dark"]) .blockquote-content {
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .medical-table {
    background: #ffffff !important;
}

:root:not([data-theme="dark"]) .medical-table thead {
    background: #fafaf9 !important;
}

:root:not([data-theme="dark"]) .medical-table th,
:root:not([data-theme="dark"]) .medical-table td {
    color: #1c1917 !important;
    border-color: var(--border-light) !important;
}

:root:not([data-theme="dark"]) .medical-table tbody tr:hover {
    background: #f5f5f4 !important;
}

/* Force all text elements to be visible in light theme */
:root:not([data-theme="dark"]) .ordered-list li,
:root:not([data-theme="dark"]) .unordered-list li,
:root:not([data-theme="dark"]) .emphasized-item,
:root:not([data-theme="dark"]) .blockquote-content p,
:root:not([data-theme="dark"]) .blockquote-content {
    color: #1c1917 !important;
}

/* Ensure all markdown elements in AI messages have proper spacing and colors in light theme */
:root:not([data-theme="dark"]) .ai-message .message-content .ordered-list,
:root:not([data-theme="dark"]) .ai-message .message-content .unordered-list {
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .ai-message .message-content .ordered-list li,
:root:not([data-theme="dark"]) .ai-message .message-content .unordered-list li {
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .ai-message .message-content .emphasized-item {
    color: var(--primary) !important;
}

:root:not([data-theme="dark"]) .ai-message .message-content .blockquote {
    background: #f5f5f4 !important;
    border-left-color: var(--primary) !important;
}

:root:not([data-theme="dark"]) .ai-message .message-content .blockquote-content,
:root:not([data-theme="dark"]) .ai-message .message-content .blockquote-content p {
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .ai-message .message-content .code-block-wrapper {
    background: #f5f5f4 !important;
    border-color: var(--border-light) !important;
}

:root:not([data-theme="dark"]) .ai-message .message-content .code-block-wrapper .code-block {
    background: #f5f5f4 !important;
}

:root:not([data-theme="dark"]) .ai-message .message-content .code-block-wrapper code {
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .ai-message .message-content .alert-heading {
    color: var(--error-600) !important;
    background: var(--error-50) !important;
}

:root:not([data-theme="dark"]) .ai-message .message-content .medical-table th {
    background: #f5f5f4 !important;
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .ai-message .message-content .medical-table td {
    color: #1c1917 !important;
}

/* Probability badges - no background */
:root:not([data-theme="dark"]) .probability-badge {
    color: var(--text-primary) !important;
    background: transparent !important;
}

/* User messages should have white text (on primary color background) */
:root:not([data-theme="dark"]) .user-message .message-content {
    color: #ffffff !important;
    background: var(--primary) !important;
}

/* Buttons with primary background should have white text */
:root:not([data-theme="dark"]) .btn-primary,
:root:not([data-theme="dark"]) .btn-primary:hover,
:root:not([data-theme="dark"]) .btn-primary:active,
:root:not([data-theme="dark"]) .btn-primary:focus,
:root:not([data-theme="dark"]) .btn-primary:visited {
    color: #ffffff !important;
    background: var(--primary) !important;
    border-color: var(--primary) !important;
}

/* Ensure button text is always white in light theme */
:root:not([data-theme="dark"]) .btn-primary *,
:root:not([data-theme="dark"]) .btn-primary span,
:root:not([data-theme="dark"]) .btn-primary i {
    color: #ffffff !important;
}

/* Alert heading text should be visible */
:root:not([data-theme="dark"]) .alert-heading {
    color: var(--error-600) !important;
}

/* Ensure all paragraph and list text is dark */
:root:not([data-theme="dark"]) .ai-message p,
:root:not([data-theme="dark"]) .ai-message li,
:root:not([data-theme="dark"]) .ai-message ul,
:root:not([data-theme="dark"]) .ai-message ol,
:root:not([data-theme="dark"]) .ai-message span:not(.probability-badge):not(.medical-value) {
    color: #1c1917 !important;
}

/* Code text should be dark */
:root:not([data-theme="dark"]) code,
:root:not([data-theme="dark"]) pre {
    color: #1c1917 !important;
}

/* Link text should be visible */
:root:not([data-theme="dark"]) a {
    color: var(--primary) !important;
}

/* Table text should be dark */
:root:not([data-theme="dark"]) .medical-table,
:root:not([data-theme="dark"]) .medical-table th,
:root:not([data-theme="dark"]) .medical-table td,
:root:not([data-theme="dark"]) .medical-table p {
    color: #1c1917 !important;
}

/* Ensure headings in AI messages are visible */
:root:not([data-theme="dark"]) .ai-message h1,
:root:not([data-theme="dark"]) .ai-message h2,
:root:not([data-theme="dark"]) .ai-message h3,
:root:not([data-theme="dark"]) .ai-message h4,
:root:not([data-theme="dark"]) .ai-message h5,
:root:not([data-theme="dark"]) .ai-message h6 {
    color: #1c1917 !important;
}

/* Primary headings (h2, h3) should use primary color */
:root:not([data-theme="dark"]) .ai-message h2,
:root:not([data-theme="dark"]) .ai-message h3 {
    color: var(--primary) !important;
}

/* Sidebar header text */
:root:not([data-theme="dark"]) .sessions-header,
:root:not([data-theme="dark"]) .sessions-header h3 {
    color: #57534e !important;
}

/* Session items text */
:root:not([data-theme="dark"]) .session-item,
:root:not([data-theme="dark"]) .session-item .session-title,
:root:not([data-theme="dark"]) .session-item .session-name,
:root:not([data-theme="dark"]) .session-item .session-date {
    color: #1c1917 !important;
}

:root:not([data-theme="dark"]) .session-item .session-date {
    color: #78716c !important;
}

/* Ensure session name is always visible */
:root:not([data-theme="dark"]) .session-name {
    color: #1c1917 !important;
}

/* Ensure all text children in session items are visible */
:root:not([data-theme="dark"]) .session-item div,
:root:not([data-theme="dark"]) .session-item span {
    color: #1c1917 !important;
}

/* Active session should have primary text on light background */
:root:not([data-theme="dark"]) .session-item.active {
    color: var(--primary) !important;
    background: var(--primary-50) !important;
}

:root:not([data-theme="dark"]) .session-item.active .session-title,
:root:not([data-theme="dark"]) .session-item.active .session-name {
    color: var(--primary) !important;
}

:root:not([data-theme="dark"]) .session-item.active .session-date {
    color: var(--primary-700) !important;
}

/* Empty state text */
:root:not([data-theme="dark"]) .empty-state,
:root:not([data-theme="dark"]) .empty-state p,
:root:not([data-theme="dark"]) .empty-state small {
    color: #78716c !important;
}

/* Diagnosis card text */
:root:not([data-theme="dark"]) .diagnosis-card,
:root:not([data-theme="dark"]) .diagnosis-card p,
:root:not([data-theme="dark"]) .diagnosis-card li,
:root:not([data-theme="dark"]) .diagnosis-card span,
:root:not([data-theme="dark"]) .diagnosis-card-item,
:root:not([data-theme="dark"]) .diagnosis-card-item p {
    color: #1c1917 !important;
}

/* Critical alerts */
:root:not([data-theme="dark"]) .critical-alert,
:root:not([data-theme="dark"]) .critical-alert p {
    color: #1c1917 !important;
}

/* Red flags section */
:root:not([data-theme="dark"]) .red-flags-section,
:root:not([data-theme="dark"]) .red-flags-section p,
:root:not([data-theme="dark"]) .red-flags-section li {
    color: #1c1917 !important;
}

/* Error messages */
:root:not([data-theme="dark"]) .error-message,
:root:not([data-theme="dark"]) .error-message p {
    color: #1c1917 !important;
}

/* ===== RESPONSIVE SIDEBAR ===== */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0;
        transform: translateX(-100%);
        z-index: 1000;
        box-shadow: var(--shadow-xl);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .landing-page {
        width: 100%;
    }
    
    /* Larger touch targets for mobile */
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .session-item {
        padding: var(--space-4);
    }
    
    .sample-question {
        padding: var(--space-4);
    }
}