/* Obsidian-Inspired Style Component
   Clean, minimal, typography-focused design with generous whitespace
   Inspired by Obsidian.md's sophisticated minimalism */

/* Design Tokens */
:root {
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    
    /* Font weights */
    --weight-light: 300;
    --weight-normal: 400;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;
    
    /* Typography scale */
    --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 */
    
    /* Line heights */
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;
    
    /* Colors - Neutral palette inspired by Obsidian */
    --color-white: #ffffff;
    --color-gray-50: #fafafa;
    --color-gray-100: #f4f4f5;
    --color-gray-200: #e4e4e7;
    --color-gray-300: #d4d4d8;
    --color-gray-400: #a1a1aa;
    --color-gray-500: #71717a;
    --color-gray-600: #52525b;
    --color-gray-700: #3f3f46;
    --color-gray-800: #27272a;
    --color-gray-900: #18181b;
    
    /* Primary colors - Turquoise theme */
    --color-primary-50: #f0fdfc;
    --color-primary-100: #ccfbf1;
    --color-primary-200: #99f6e4;
    --color-primary-300: #5eead4;
    --color-primary-400: #2dd4bf;
    --color-primary-500: #14b8a6;
    --color-primary-600: #30d5c8;
    --color-primary-700: #0f766e;
    --color-primary-800: #115e59;
    --color-primary-900: #134e4a;
    
    /* Accent colors */
    --color-blue-500: #0ea5e9;
    --color-blue-600: #0284c7;
    --color-indigo-500: #0369a1;
    --color-indigo-600: #075985;
    
    /* Semantic colors */
    --color-text-primary: var(--color-gray-900);
    --color-text-secondary: var(--color-gray-600);
    --color-text-muted: var(--color-gray-500);
    --color-background: var(--color-white);
    --color-background-subtle: var(--color-gray-50);
    --color-border: var(--color-gray-200);
    --color-border-muted: var(--color-gray-100);
    
    /* 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 */
    --space-24: 6rem;     /* 96px */
    --space-32: 8rem;     /* 128px */
    
    /* Border radius */
    --radius-none: 0;
    --radius-sm: 0.125rem;
    --radius-base: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-base: 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);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Reset and base styles */
.style-obsidian-inspired * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.style-obsidian-inspired {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-text-primary);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    letter-spacing: -0.01em;
}

/* Typography styles */
.style-obsidian-inspired h1,
.style-obsidian-inspired .text-5xl {
    font-size: var(--text-5xl);
    font-weight: var(--weight-bold);
    line-height: var(--leading-tight);
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-6);
}

.style-obsidian-inspired h2,
.style-obsidian-inspired .text-4xl {
    font-size: var(--text-4xl);
    font-weight: var(--weight-semibold);
    line-height: var(--leading-tight);
    color: var(--color-text-primary);
    letter-spacing: -0.015em;
    margin-bottom: var(--space-5);
}

.style-obsidian-inspired h3,
.style-obsidian-inspired .text-3xl {
    font-size: var(--text-3xl);
    font-weight: var(--weight-semibold);
    line-height: var(--leading-snug);
    color: var(--color-text-primary);
    letter-spacing: -0.01em;
    margin-bottom: var(--space-4);
}

.style-obsidian-inspired h4,
.style-obsidian-inspired .text-2xl {
    font-size: var(--text-2xl);
    font-weight: var(--weight-medium);
    line-height: var(--leading-snug);
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.style-obsidian-inspired h5,
.style-obsidian-inspired .text-xl {
    font-size: var(--text-xl);
    font-weight: var(--weight-medium);
    line-height: var(--leading-normal);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

.style-obsidian-inspired h6,
.style-obsidian-inspired .text-lg {
    font-size: var(--text-lg);
    font-weight: var(--weight-medium);
    line-height: var(--leading-normal);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

.style-obsidian-inspired p,
.style-obsidian-inspired .text-base {
    font-size: var(--text-base);
    font-weight: var(--weight-normal);
    line-height: var(--leading-relaxed);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

.style-obsidian-inspired .text-sm {
    font-size: var(--text-sm);
    font-weight: var(--weight-normal);
    line-height: var(--leading-normal);
    color: var(--color-text-muted);
}

.style-obsidian-inspired .text-xs {
    font-size: var(--text-xs);
    font-weight: var(--weight-normal);
    line-height: var(--leading-normal);
    color: var(--color-text-muted);
}

/* Button styles */
.style-obsidian-inspired .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    font-weight: var(--weight-medium);
    line-height: 1;
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-base);
    white-space: nowrap;
    user-select: none;
}

.style-obsidian-inspired .btn:focus {
    outline: none;
    box-shadow: var(--btn-focus-shadow, 0 0 0 3px rgba(48, 213, 200, 0.15));
}

.style-obsidian-inspired .btn-primary {
    background: var(--color-primary-600);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.style-obsidian-inspired .btn-primary:hover {
    background: var(--color-primary-700);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.style-obsidian-inspired .btn-secondary {
    background-color: var(--color-white);
    color: var(--color-text-primary);
    border-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.style-obsidian-inspired .btn-secondary:hover {
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-300);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.style-obsidian-inspired .btn-outline {
    background-color: transparent;
    color: var(--color-primary-600);
    border-color: var(--color-primary-600);
}

.style-obsidian-inspired .btn-outline:hover {
    background-color: var(--color-primary-600);
    color: var(--color-white);
    transform: translateY(-1px);
}

.style-obsidian-inspired .btn-ghost {
    background-color: transparent;
    color: var(--color-text-secondary);
    border-color: transparent;
}

.style-obsidian-inspired .btn-ghost:hover {
    background-color: var(--color-gray-100);
    color: var(--color-text-primary);
}

/* Card styles */
.style-obsidian-inspired .card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.style-obsidian-inspired .card:hover {
    border-color: var(--color-gray-300);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.style-obsidian-inspired .card-header {
    margin-bottom: var(--space-4);
}

.style-obsidian-inspired .card-title {
    font-size: var(--text-xl);
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.style-obsidian-inspired .card-description {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

.style-obsidian-inspired .card-content {
    margin-bottom: var(--space-4);
}

.style-obsidian-inspired .card-footer {
    border-top: 1px solid var(--color-border-muted);
    padding-top: var(--space-4);
}

/* Layout utilities */
.style-obsidian-inspired .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.style-obsidian-inspired .section {
    padding: var(--space-20) 0;
}

.style-obsidian-inspired .section-sm {
    padding: var(--space-12) 0;
}

.style-obsidian-inspired .section-lg {
    padding: var(--space-32) 0;
}

/* Grid system */
.style-obsidian-inspired .grid {
    display: grid;
    gap: var(--space-6);
}

.style-obsidian-inspired .grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.style-obsidian-inspired .grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.style-obsidian-inspired .grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.style-obsidian-inspired .grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Text alignment utilities */
.style-obsidian-inspired .text-center {
    text-align: center;
}

.style-obsidian-inspired .text-left {
    text-align: left;
}

.style-obsidian-inspired .text-right {
    text-align: right;
}

/* Flexbox utilities */
.style-obsidian-inspired .flex {
    display: flex;
}

.style-obsidian-inspired .flex-col {
    flex-direction: column;
}

.style-obsidian-inspired .items-center {
    align-items: center;
}

.style-obsidian-inspired .justify-center {
    justify-content: center;
}

.style-obsidian-inspired .justify-between {
    justify-content: space-between;
}

.style-obsidian-inspired .gap-4 {
    gap: var(--space-4);
}

.style-obsidian-inspired .gap-6 {
    gap: var(--space-6);
}

.style-obsidian-inspired .gap-8 {
    gap: var(--space-8);
}

/* Spacing utilities */
.style-obsidian-inspired .mb-4 { margin-bottom: var(--space-4); }
.style-obsidian-inspired .mb-6 { margin-bottom: var(--space-6); }
.style-obsidian-inspired .mb-8 { margin-bottom: var(--space-8); }
.style-obsidian-inspired .mb-12 { margin-bottom: var(--space-12); }

.style-obsidian-inspired .mt-4 { margin-top: var(--space-4); }
.style-obsidian-inspired .mt-6 { margin-top: var(--space-6); }
.style-obsidian-inspired .mt-8 { margin-top: var(--space-8); }
.style-obsidian-inspired .mt-12 { margin-top: var(--space-12); }

/* Header styles */
.style-obsidian-inspired .header {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-muted);
    position: sticky;
    top: 0;
    z-index: 50;
    transition: all var(--transition-base);
}

.style-obsidian-inspired .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
}

.style-obsidian-inspired .logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-xl);
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
    text-decoration: none;
}

.style-obsidian-inspired .nav-links {
    display: flex;
    gap: var(--space-8);
    list-style: none;
}

.style-obsidian-inspired .nav-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: var(--weight-medium);
    transition: color var(--transition-fast);
}

.style-obsidian-inspired .nav-links a:hover {
    color: var(--color-text-primary);
}

/* Hero section */
.style-obsidian-inspired .hero {
    background: linear-gradient(135deg, var(--color-background) 0%, var(--color-gray-50) 100%);
    padding: var(--space-24) 0;
}

.style-obsidian-inspired .hero-title {
    font-size: var(--text-5xl);
    font-weight: var(--weight-bold);
    line-height: var(--leading-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
}

.style-obsidian-inspired .hero-subtitle {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-8);
    max-width: 600px;
}

/* Form styles */
.style-obsidian-inspired .form-group {
    margin-bottom: var(--space-6);
}

.style-obsidian-inspired .form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.style-obsidian-inspired .form-input,
.style-obsidian-inspired .form-select,
.style-obsidian-inspired .form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    color: var(--color-text-primary);
    background-color: var(--color-white);
    transition: all var(--transition-fast);
}

.style-obsidian-inspired .form-input:focus,
.style-obsidian-inspired .form-select:focus,
.style-obsidian-inspired .form-textarea:focus {
    outline: none;
    border-color: var(--color-primary-600);
    box-shadow: var(--form-focus-shadow, 0 0 0 3px rgba(48, 213, 200, 0.1));
}

.style-obsidian-inspired .form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* Footer styles */
.style-obsidian-inspired .footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--space-16) 0 var(--space-8);
}

.style-obsidian-inspired .footer h3 {
    color: var(--color-white);
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    margin-bottom: var(--space-4);
}

.style-obsidian-inspired .footer a {
    color: var(--color-gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.style-obsidian-inspired .footer a:hover {
    color: var(--color-white);
}

.style-obsidian-inspired .footer-legal {
    border-top: 1px solid var(--color-gray-800);
    padding-top: var(--space-8);
    margin-top: var(--space-8);
    text-align: center;
    color: var(--color-gray-500);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

/* Icon styles */
.style-obsidian-inspired .icon {
    width: var(--space-6);
    height: var(--space-6);
    flex-shrink: 0;
}

.style-obsidian-inspired .icon-lg {
    width: var(--space-8);
    height: var(--space-8);
}

.style-obsidian-inspired .icon-xl {
    width: var(--space-12);
    height: var(--space-12);
}

/* Responsive design */
@media (max-width: 768px) {
    .style-obsidian-inspired .grid-cols-2 {
        grid-template-columns: 1fr;
    }
    
    .style-obsidian-inspired .grid-cols-3 {
        grid-template-columns: 1fr;
    }
    
    .style-obsidian-inspired .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .style-obsidian-inspired .hero-title {
        font-size: var(--text-4xl);
    }
    
    .style-obsidian-inspired .hero-subtitle {
        font-size: var(--text-lg);
    }
    
    .style-obsidian-inspired .nav {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .style-obsidian-inspired .nav-links {
        gap: var(--space-6);
    }
    
    .style-obsidian-inspired .section {
        padding: var(--space-16) 0;
    }
    
    .style-obsidian-inspired .container {
        padding: 0 var(--space-4);
    }
}

@media (max-width: 480px) {
    .style-obsidian-inspired .grid-cols-4 {
        grid-template-columns: 1fr;
    }
    
    .style-obsidian-inspired .hero-title {
        font-size: var(--text-3xl);
    }
    
    .style-obsidian-inspired .nav-links {
        flex-direction: column;
        text-align: center;
        gap: var(--space-4);
    }
    
    .style-obsidian-inspired .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Animation and interaction improvements */
.style-obsidian-inspired * {
    scroll-behavior: smooth;
}

.style-obsidian-inspired a {
    transition: all var(--transition-fast);
}

.style-obsidian-inspired .card,
.style-obsidian-inspired .btn {
    will-change: transform;
}

/* Selection styling */
.style-obsidian-inspired ::selection {
    background-color: var(--color-primary-100);
    color: var(--color-primary-900);
}

/* Focus styles for accessibility */
.style-obsidian-inspired *:focus-visible {
    outline: 2px solid var(--color-primary-600);
    outline-offset: 2px;
}

/* Theme picker styles */
.style-obsidian-inspired .theme-circle {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    padding: 0;
    outline: none;
}

.style-obsidian-inspired .theme-circle:hover {
    transform: scale(1.1);
    border-color: rgba(255, 255, 255, 0.8);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.2);
}

.style-obsidian-inspired .theme-circle:focus {
    outline: none;
    transform: scale(1.1);
    border-color: rgba(255, 255, 255, 0.8);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.2);
}

.style-obsidian-inspired .theme-circle.active {
    border-color: rgba(255, 255, 255, 1);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.style-obsidian-inspired .theme-circle.active::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 6px;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
}