/* Base styles and variables for the Data Agent Platform */

/* ======================
   Base Styles
   ====================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Fira+Code:wght@400;500&display=swap');

:root {
    /* Color Palette */
    --primary-50: #f0f4ff;
    --primary-100: #e0e9ff;
    --primary-200: #c7d7fe;
    --primary-300: #a5b4fc;
    --primary-400: #818cf8;
    --primary-500: #6366f1;
    --primary-600: #4f46e5;
    --primary-700: #4338ca;
    --primary-800: #3730a3;
    --primary-900: #312e81;
    --primary-950: #1e1b4b;
    
    /* Neutral Colors */
    --neutral-50: #f9fafb;
    --neutral-100: #f3f4f6;
    --neutral-200: #e5e7eb;
    --neutral-300: #d1d5db;
    --neutral-400: #9ca3af;
    --neutral-500: #6b7280;
    --neutral-600: #4b5563;
    --neutral-700: #374151;
    --neutral-800: #1f2937;
    --neutral-900: #111827;
    --neutral-950: #030712;
    
    /* Success Colors */
    --success-50: #f0fdf4;
    --success-100: #dcfce7;
    --success-200: #bbf7d0;
    --success-300: #86efac;
    --success-400: #4ade80;
    --success-500: #22c55e;
    --success-600: #16a34a;
    --success-700: #15803d;
    --success-800: #166534;
    --success-900: #14532d;
    
    /* Warning Colors */
    --warning-50: #fffbeb;
    --warning-100: #fef3c7;
    --warning-200: #fde68a;
    --warning-300: #fcd34d;
    --warning-400: #fbbf24;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    --warning-700: #b45309;
    --warning-800: #92400e;
    --warning-900: #78350f;
    
    /* Danger Colors */
    --danger-50: #fef2f2;
    --danger-100: #fee2e2;
    --danger-200: #fecaca;
    --danger-300: #fca5a5;
    --danger-400: #f87171;
    --danger-500: #ef4444;
    --danger-600: #dc2626;
    --danger-700: #b91c1c;
    --danger-800: #991b1b;
    --danger-900: #7f1d1d;
    
    /* Info Colors */
    --info-50: #eff6ff;
    --info-100: #dbeafe;
    --info-200: #bfdbfe;
    --info-300: #93c5fd;
    --info-400: #60a5fa;
    --info-500: #3b82f6;
    --info-600: #2563eb;
    --info-700: #1d4ed8;
    --info-800: #1e40af;
    --info-900: #1e3a8a;
    
    /* Light Theme (default) */
    --color-primary: var(--primary-600);
    --color-primary-hover: var(--primary-700);
    --color-primary-light: var(--primary-100);
    --color-text: var(--neutral-900);
    --color-text-muted: var(--neutral-600);
    --color-bg: var(--neutral-50);
    --color-bg-elevated: #ffffff;
    --color-border: var(--neutral-200);
    --color-border-hover: var(--neutral-300);
    --color-card: #ffffff;
    --color-card-hover: var(--neutral-50);
    --color-input-bg: #ffffff;
    --color-input-border: var(--neutral-300);
    --color-input-focus: var(--primary-500);
    --color-success: var(--success-600);
    --color-warning: var(--warning-600);
    --color-danger: var(--danger-600);
    --color-info: var(--info-600);
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Fira Code', 'Roboto Mono', 'SFMono-Regular', Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
    
    /* Font Sizes */
    --text-xs: 0.75rem;    /* 12px */
    --text-sm: 0.875rem;   /* 14px */
    --text-base: 1rem;     /* 16px */
    --text-lg: 1.125rem;   /* 18px */
    --text-xl: 1.25rem;    /* 20px */
    --text-2xl: 1.5rem;    /* 24px */
    --text-3xl: 1.875rem;  /* 30px */
    --text-4xl: 2.25rem;   /* 36px */
    --text-5xl: 3rem;      /* 48px */
    --text-6xl: 3.75rem;   /* 60px */
    
    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    --font-black: 900;
    
    /* Line Heights */
    --leading-none: 1;
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;
    
    /* Letter Spacing */
    --tracking-tighter: -0.05em;
    --tracking-tight: -0.025em;
    --tracking-normal: 0em;
    --tracking-wide: 0.025em;
    --tracking-wider: 0.05em;
    --tracking-widest: 0.1em;
    
    /* Border Radius */
    --radius-sm: 0.25rem;  /* 4px */
    --radius-md: 0.5rem;   /* 8px */
    --radius-lg: 1rem;     /* 16px */
    --radius-xl: 2rem;     /* 32px */
    --radius-2xl: 4rem;    /* 64px */
    --radius-full: 9999px; /* Full circle */
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 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-outline: 0 0 0 3px rgba(99, 102, 241, 0.5);
    --shadow-none: 0 0 #0000;
    
    /* Transitions */
    --transition-base: all 0.2s ease-in-out;
    --transition-slow: all 0.4s ease-in-out;
    --transition-fast: all 0.1s ease-in-out;
    
    /* Z-index */
    --z-0: 0;
    --z-10: 10;
    --z-20: 20;
    --z-30: 30;
    --z-40: 40;
    --z-50: 50;
    --z-auto: auto;
}

/* Dark Theme */
.dark-theme {
    --color-primary: var(--primary-500);
    --color-primary-hover: var(--primary-400);
    --color-primary-light: var(--primary-900);
    --color-text: var(--neutral-100);
    --color-text-muted: var(--neutral-400);
    --color-bg: var(--neutral-900);
    --color-bg-elevated: var(--neutral-800);
    --color-border: var(--neutral-700);
    --color-border-hover: var(--neutral-600);
    --color-card: var(--neutral-800);
    --color-card-hover: var(--neutral-700);
    --color-input-bg: var(--neutral-800);
    --color-input-border: var(--neutral-700);
    --color-input-focus: var(--primary-500);
    --color-success: var(--success-500);
    --color-warning: var(--warning-500);
    --color-danger: var(--danger-500);
    --color-info: var(--info-500);
}

/* Global Styles */
html {
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

*, *::before, *::after {
    box-sizing: inherit;
}

body {
    font-family: var(--font-sans);
    margin: 0;
    padding: 0;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-bg);
    transition: background-color var(--transition-base), 
                color var(--transition-base);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: 0.5em;
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
    margin-top: 0;
    margin-bottom: 1rem;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

/* Layout */
.container {
    width: 100%;
    padding-right: 1rem;
    padding-left: 1rem;
    margin-right: auto;
    margin-left: auto;
}

@media (min-width: 640px) {
    .container {
        max-width: 640px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 768px;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1024px;
    }
}

@media (min-width: 1280px) {
    .container {
        max-width: 1280px;
    }
}

/* Cards */
.card {
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base),
                transform var(--transition-base);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: var(--spacing-4) var(--spacing-6);
    border-bottom: 1px solid var(--color-border);
    background-color: rgba(255, 255, 255, 0.5);
    font-weight: 600;
}

.card-body {
    padding: var(--spacing-6);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.btn-primary {
    color: white;
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

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

.btn-outline-secondary {
    color: var(--color-text-muted);
    background-color: transparent;
    border-color: var(--color-border);
}

.btn-outline-secondary:hover {
    background-color: var(--color-bg-elevated);
    border-color: var(--color-border-hover);
}

/* Forms */
.form-control {
    display: block;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: var(--text-base);
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-input-bg);
    background-clip: padding-box;
    border: 1px solid var(--color-input-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    border-color: var(--primary-color);
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(67, 97, 238, 0.25);
}

/* Utility Classes */
.text-muted {
    color: #6b7280 !important;
}

.rounded {
    border-radius: var(--radius-md) !important;
}

.shadow {
    box-shadow: var(--shadow-sm) !important;
}

.shadow-sm {
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05) !important;
}

/* Dark mode overrides */
.dark-mode {
    --dark-bg: #111827;
    --card-bg: #1f2937;
    --light-text: #f3f4f6;
    --dark-text: #f9fafb;
    --border-color: #374151;
    --hover-color: #374151;
    --shadow-color: rgba(0, 0, 0, 0.3);
}

/* Keyframes for message animation */
@keyframes fadeInSlideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Add pulsing animation to the spinner */
@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Scrollbar Styling */
.visualization-container::-webkit-scrollbar,
.chat-container::-webkit-scrollbar { /* Apply to chat container too */
    width: 8px; /* Slightly wider */
}
.visualization-container::-webkit-scrollbar-thumb,
.chat-container::-webkit-scrollbar-thumb {
    border-radius: 4px;
    transition: background-color var(--transition-speed);
}
.visualization-container::-webkit-scrollbar-track,
.chat-container::-webkit-scrollbar-track {
    border-radius: 4px;
    transition: background-color var(--transition-speed);
}
/* Theme-specific scrollbars */
.app-container.dark-mode ::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.2);
}
.app-container.dark-mode ::-webkit-scrollbar-track {
    background-color: rgba(255, 255, 255, 0.05);
}
.app-container.light-mode ::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.2);
}
.app-container.light-mode ::-webkit-scrollbar-track {
    background-color: rgba(0, 0, 0, 0.05);
}