/* Basecoat + UNA Theme for Digital Standards */

:root {
    /* UNA Theme - Light Mode */
    --background: radial-gradient(circle, #fdfbff 0%, #fefcff 100%);
    --foreground: oklch(0.2344 0.0748 303.3976);
    --card: oklch(1.0000 0 0);
    --card-foreground: oklch(0.2344 0.0748 303.3976);
    --popover: oklch(1.0000 0 0);
    --popover-foreground: oklch(0.2344 0.0748 303.3976);
    --primary: oklch(0.3986 0.1483 302.2669);
    --primary-foreground: oklch(1.0000 0 0);
    --secondary: oklch(0.8274 0.1628 78.5271);
    --secondary-foreground: oklch(0.2344 0.0748 303.3976);
    --muted: oklch(0.9138 0.0068 247.8997);
    --muted-foreground: oklch(0.4908 0.0342 306.9764);
    --accent: oklch(0.5959 0.2238 298.4618);
    --accent-foreground: oklch(1.0000 0 0);
    --destructive: oklch(0.6356 0.2082 25.3782);
    --destructive-foreground: oklch(1.0000 0 0);
    --border: #a2aaad;
    --input: oklch(0.8398 0.0124 256.7069);
    --ring: oklch(0.3986 0.1483 302.2669);
    
    /* Spacing Scale (8pt grid) */
    --spacing: 0.25rem;
    --space-1: calc(var(--spacing) * 1);
    --space-2: calc(var(--spacing) * 2);
    --space-3: calc(var(--spacing) * 3);
    --space-4: calc(var(--spacing) * 4);
    --space-5: calc(var(--spacing) * 5);
    --space-6: calc(var(--spacing) * 6);
    --space-8: calc(var(--spacing) * 8);
    --space-10: calc(var(--spacing) * 10);
    --space-12: calc(var(--spacing) * 12);
    --space-16: calc(var(--spacing) * 16);
    
    /* Border Radius */
    --radius: 0.5rem;
    --radius-sm: calc(var(--radius) - 4px);
    --radius-md: calc(var(--radius) - 2px);
    --radius-lg: var(--radius);
    --radius-xl: calc(var(--radius) + 4px);
    
    /* Typography */
    --font-sans: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-serif: Georgia, serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    --tracking-normal: 0.01em;
    
    /* Typography Scale */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    
    /* Shadows */
    --shadow-2xs: 0px 4px 10px 0px hsl(269.0526 52.4862% 35.4902% / 0.05);
    --shadow-xs: 0px 4px 10px 0px hsl(269.0526 52.4862% 35.4902% / 0.05);
    --shadow-sm: 0px 4px 10px 0px hsl(269.0526 52.4862% 35.4902% / 0.10), 0px 1px 2px -1px hsl(269.0526 52.4862% 35.4902% / 0.10);
    --shadow: 0px 4px 10px 0px hsl(269.0526 52.4862% 35.4902% / 0.10), 0px 1px 2px -1px hsl(269.0526 52.4862% 35.4902% / 0.10);
    --shadow-md: 0px 4px 10px 0px hsl(269.0526 52.4862% 35.4902% / 0.10), 0px 2px 4px -1px hsl(269.0526 52.4862% 35.4902% / 0.10);
    --shadow-lg: 0px 4px 10px 0px hsl(269.0526 52.4862% 35.4902% / 0.10), 0px 4px 6px -1px hsl(269.0526 52.4862% 35.4902% / 0.10);
    --shadow-xl: 0px 4px 10px 0px hsl(269.0526 52.4862% 35.4902% / 0.10), 0px 8px 10px -1px hsl(269.0526 52.4862% 35.4902% / 0.10);
    --shadow-2xl: 0px 4px 10px 0px hsl(269.0526 52.4862% 35.4902% / 0.25);
}

/* DARK MODE - Currently disabled. Uncomment to re-enable.
.dark, [data-theme="dark"] {
    --background: oklch(0.1896 0.0535 304.0687);
    --foreground: oklch(1.0000 0 0);
    --card: oklch(0.2078 0.0623 303.7607);
    --card-foreground: oklch(1.0000 0 0);
    --popover: oklch(0.2078 0.0623 303.7607);
    --popover-foreground: oklch(1.0000 0 0);
    --primary: oklch(0.8274 0.1628 78.5271);
    --primary-foreground: oklch(0.1896 0.0535 304.0687);
    --secondary: oklch(0.3190 0.1132 302.6611);
    --secondary-foreground: oklch(1.0000 0 0);
    --muted: oklch(0.2914 0.0572 305.3878);
    --muted-foreground: oklch(0.7516 0.0231 307.4308);
    --accent: oklch(0.5959 0.2238 298.4618);
    --accent-foreground: oklch(1.0000 0 0);
    --destructive: oklch(0.3901 0.1297 25.5736);
    --destructive-foreground: oklch(1.0000 0 0);
    --border: oklch(0.3351 0.0689 305.2587);
    --input: oklch(0.3351 0.0689 305.2587);
    --ring: oklch(0.8274 0.1628 78.5271);

    /* Dark Mode Shadows */
    --shadow-2xs: 0px 8px 20px 0px hsl(0 0% 0% / 0.25);
    --shadow-xs: 0px 8px 20px 0px hsl(0 0% 0% / 0.25);
    --shadow-sm: 0px 8px 20px 0px hsl(0 0% 0% / 0.50), 0px 1px 2px -1px hsl(0 0% 0% / 0.50);
    --shadow: 0px 8px 20px 0px hsl(0 0% 0% / 0.50), 0px 1px 2px -1px hsl(0 0% 0% / 0.50);
    --shadow-md: 0px 8px 20px 0px hsl(0 0% 0% / 0.50), 0px 2px 4px -1px hsl(0 0% 0% / 0.50);
    --shadow-lg: 0px 8px 20px 0px hsl(0 0% 0% / 0.50), 0px 4px 6px -1px hsl(0 0% 0% / 0.50);
    --shadow-xl: 0px 8px 20px 0px hsl(0 0% 0% / 0.50), 0px 8px 10px -1px hsl(0 0% 0% / 0.50);
    --shadow-2xl: 0px 8px 20px 0px hsl(0 0% 0% / 1.25);
}
*/

/* DARK MODE - Currently disabled. Uncomment to re-enable.
@media (prefers-color-scheme: dark) {
    :root {
        --background: oklch(0.1896 0.0535 304.0687);
        --foreground: oklch(1.0000 0 0);
        --card: oklch(0.2078 0.0623 303.7607);
        --card-foreground: oklch(1.0000 0 0);
        --popover: oklch(0.2078 0.0623 303.7607);
        --popover-foreground: oklch(1.0000 0 0);
        --primary: oklch(0.8274 0.1628 78.5271);
        --primary-foreground: oklch(0.1896 0.0535 304.0687);
        --secondary: oklch(0.3190 0.1132 302.6611);
        --secondary-foreground: oklch(1.0000 0 0);
        --muted: oklch(0.2914 0.0572 305.3878);
        --muted-foreground: oklch(0.7516 0.0231 307.4308);
        --accent: oklch(0.5959 0.2238 298.4618);
        --accent-foreground: oklch(1.0000 0 0);
        --destructive: oklch(0.3901 0.1297 25.5736);
        --destructive-foreground: oklch(1.0000 0 0);
        --border: oklch(0.3351 0.0689 305.2587);
        --input: oklch(0.3351 0.0689 305.2587);
        --ring: oklch(0.8274 0.1628 78.5271);

        /* Dark Mode Shadows */
        --shadow-2xs: 0px 8px 20px 0px hsl(0 0% 0% / 0.25);
        --shadow-xs: 0px 8px 20px 0px hsl(0 0% 0% / 0.25);
        --shadow-sm: 0px 8px 20px 0px hsl(0 0% 0% / 0.50), 0px 1px 2px -1px hsl(0 0% 0% / 0.50);
        --shadow: 0px 8px 20px 0px hsl(0 0% 0% / 0.50), 0px 1px 2px -1px hsl(0 0% 0% / 0.50);
        --shadow-md: 0px 8px 20px 0px hsl(0 0% 0% / 0.50), 0px 2px 4px -1px hsl(0 0% 0% / 0.50);
        --shadow-lg: 0px 8px 20px 0px hsl(0 0% 0% / 0.50), 0px 4px 6px -1px hsl(0 0% 0% / 0.50);
        --shadow-xl: 0px 8px 20px 0px hsl(0 0% 0% / 0.50), 0px 8px 10px -1px hsl(0 0% 0% / 0.50);
        --shadow-2xl: 0px 8px 20px 0px hsl(0 0% 0% / 1.25);
    }
}
*/

/* Base Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Typography */
html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    letter-spacing: var(--tracking-normal);
    color: var(--foreground);
    background: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

strong {
    font-weight: 700;
}

h2 {
    font-weight: 600;
    letter-spacing: -0.025em;
    font-size: 1.5rem;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* Header - UNA Purple with Gold accent */
header {
    background: var(--primary);
    color: var(--primary-foreground);
    padding: var(--space-12) 0;
    margin-bottom: var(--space-8);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.header-logo-link {
    display: inline-block;
    margin-bottom: var(--space-4);
    transition: opacity 0.2s ease;
}

.header-logo-link:hover {
    opacity: 0.8;
}

.header-logo {
    width: 244px;
    height: auto;
    display: block;
}

.header-title {
    font-size: var(--text-lg);
    color: var(--primary-foreground);
    margin: 0;
    font-weight: 500;
    opacity: 0.95;
}

/* Removed floating decoration from header */

/* Removed gold bar from header */

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
}

header h1 {
    font-size: clamp(var(--text-2xl), 5vw, var(--text-4xl));
    font-weight: 700;
    margin-bottom: var(--space-2);
    letter-spacing: -0.02em;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.subtitle {
    font-size: var(--text-lg);
    opacity: 0.95;
    font-weight: 400;
    position: relative;
    z-index: 1;
}

/* Intro Section */
.intro {
    background: var(--card);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-8);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.intro::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary);
}

/* Search Container */
.search-container {
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
    padding: var(--space-6) 0;
    margin-top: var(--space-8);
    margin-bottom: var(--space-8);
    transition: all 0.3s ease;
}

.search-container.scrolled {
    background: var(--primary);
    box-shadow: var(--shadow-xl);
    padding: var(--space-6) 0;
    margin-top: 0;
}

.search-container #searchInput {
    width: 100%;
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-lg);
    font-family: var(--font-sans);
    color: var(--foreground);
    background: var(--card);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    outline: none;
}

.search-container.scrolled #searchInput {
    box-shadow: var(--shadow-md);
}

.search-container #searchInput:focus {
    border-color: var(--primary);
    box-shadow: var(--shadow-xl), 0 0 0 3px oklch(0.3986 0.1483 302.2669 / 0.1);
}

.search-container.scrolled #searchInput:focus {
    border-color: #FFB92A;
    box-shadow: none;
}

.search-container #searchInput::placeholder {
    color: var(--muted-foreground);
    opacity: 0.7;
}

/* Category Sections */
.category {
    margin-bottom: var(--space-12);
}

.category h2 {
    color: var(--primary);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid #FFB92A;
}

/* Card Grid */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-6);
}

.card {
    background: var(--card);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--card-foreground);
    border: 1px solid var(--border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

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

.card:hover::before {
    transform: scaleX(1);
}

.card h3 {
    color: var(--primary);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-2);
    position: relative;
}

.card p {
    color: var(--muted-foreground);
    font-size: var(--text-sm);
    line-height: 1.5;
    position: relative;
}

/* Content Pages */
.content {
    background: var(--card);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-8);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
}

.content h2 {
    color: var(--primary);
    margin-top: var(--space-10);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid #FFB92A;
}

.content h2:first-child {
    margin-top: 0;
}

.content h3 {
    color: var(--primary);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-top: var(--space-8);
    margin-bottom: var(--space-3);
}

.content p {
    margin-bottom: var(--space-4);
    line-height: 1.7;
}

.content ul, .content ol {
    margin-left: var(--space-8);
    margin-bottom: var(--space-4);
}

.content li {
    margin-bottom: var(--space-2);
    line-height: 1.7;
}

.content li strong {
    color: var(--primary);
    font-weight: 700;
}

.content code {
    background: var(--muted);
    color: var(--accent);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.9em;
}

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
    color: var(--muted-foreground);
}

.breadcrumbs a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.breadcrumbs a:hover {
    color: var(--accent);
    text-decoration: underline;
}

.breadcrumbs .separator {
    color: var(--muted-foreground);
}

.breadcrumbs .current {
    color: var(--foreground);
    font-weight: 400;
}

/* Main h1 (content pages) */
main > h1 {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--primary);
    margin-top: var(--space-4);
    margin-bottom: var(--space-8);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

/* Callout Boxes */
.callout {
    background: #fff;
    border-left: 4px solid #FFB92A;
    border-radius: var(--radius-md);
    padding: var(--space-6);
    margin: var(--space-6) 0;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.callout strong {
    color: var(--primary);
    font-weight: 700;
}

/* Removed callout icon */

/* Footer */
footer {
    background: #7c878e;
    color: var(--primary-foreground);
    padding: var(--space-8) 0;
    margin-top: var(--space-16);
    text-align: center;
    border-top: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}

footer p {
    font-size: var(--text-sm);
    opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 768px) {
    .cards {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .content, .intro {
        padding: var(--space-6);
    }
    
    .content ul, .content ol {
        margin-left: var(--space-6);
    }
}

/* Focus States */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--ring);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Selection */
::selection {
    background-color: var(--accent);
    color: var(--accent-foreground);
}

/* DARK MODE ADJUSTMENTS - Currently disabled. Uncomment to re-enable.
@media (prefers-color-scheme: dark) {
    ::selection {
        background-color: var(--primary);
        color: var(--primary-foreground);
    }

    .callout {
        background: #fff;
        border-left-color: #FFB92A;
    }

    /* Removed dark mode callout icon */

    header::before {
        background: color-mix(in oklch, var(--primary) 15%, transparent);
    }
}
*/

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Print Styles */
@media print {
    header, footer, .back-link {
        display: none;
    }
    
    .content {
        box-shadow: none;
        border: none;
        padding: 0;
    }
}