/**
 * Fluent Starter - Base Styles
 *
 * Minimal reset and typography
 * Target: ~2KB
 *
 * @package Fluent_Starter
 */

/* ==========================================================================
   CSS Custom Properties - Theme Defaults
   ========================================================================== */

:root {
    /* Colors (overridden by fluent-compat.css when Fluent Community is active) */
    --fs-color-bg: #ffffff;
    --fs-color-bg-secondary: #f9fafb;
    --fs-color-text: #1f2937;
    --fs-color-text-secondary: #6b7280;
    --fs-color-link: #2563eb;
    --fs-color-link-hover: #1d4ed8;
    --fs-color-border: #e5e7eb;
    --fs-color-border-light: #f3f4f6;

    /* Typography */
    --fs-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji",
        "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    --fs-font-family-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo,
        Consolas, "Liberation Mono", monospace;
    --fs-font-size-base: 1rem;
    --fs-line-height-base: 1.625;
    --fs-font-weight-normal: 400;
    --fs-font-weight-medium: 500;
    --fs-font-weight-semibold: 600;
    --fs-font-weight-bold: 700;

    /* Spacing */
    --fs-spacing-xs: 0.25rem;
    --fs-spacing-sm: 0.5rem;
    --fs-spacing-md: 1rem;
    --fs-spacing-lg: 1.5rem;
    --fs-spacing-xl: 2rem;
    --fs-spacing-2xl: 3rem;

    /* Layout */
    --fs-content-max-width: 1200px;
    --fs-content-width: min(100% - 2rem, var(--fs-content-max-width));

    /* Transitions */
    --fs-transition-fast: 150ms ease;
    --fs-transition-base: 200ms ease;

    /* Border radius */
    --fs-radius-sm: 0.25rem;
    --fs-radius-md: 0.375rem;
    --fs-radius-lg: 0.5rem;
}

/* Dark mode defaults */
html.dark {
    --fs-color-bg: #1f2937;
    --fs-color-bg-secondary: #111827;
    --fs-color-text: #f9fafb;
    --fs-color-text-secondary: #9ca3af;
    --fs-color-link: #60a5fa;
    --fs-color-link-hover: #93c5fd;
    --fs-color-border: #374151;
    --fs-color-border-light: #1f2937;
}

/* ==========================================================================
   Reset
   ========================================================================== */

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

* {
    margin: 0;
    padding: 0;
}

html {
    font-size: 100%;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

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

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input,
button,
textarea,
select {
    font: inherit;
    color: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
    overflow-wrap: break-word;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: var(--fs-font-weight-semibold);
    line-height: 1.25;
    margin-bottom: var(--fs-spacing-md);
}

h1 {
    font-size: 2.25rem;
}

h2 {
    font-size: 1.875rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: var(--fs-spacing-md);
}

p:last-child {
    margin-bottom: 0;
}

a {
    color: var(--fs-color-link);
    text-decoration: none;
    transition: color var(--fs-transition-fast);
}

a:hover,
a:focus {
    color: var(--fs-color-link-hover);
    text-decoration: underline;
}

strong,
b {
    font-weight: var(--fs-font-weight-semibold);
}

small {
    font-size: 0.875rem;
}

code,
kbd,
samp,
pre {
    font-family: var(--fs-font-family-mono);
    font-size: 0.875em;
}

code {
    background-color: var(--fs-color-bg-secondary);
    padding: 0.125rem 0.375rem;
    border-radius: var(--fs-radius-sm);
}

pre {
    background-color: var(--fs-color-bg-secondary);
    padding: var(--fs-spacing-md);
    border-radius: var(--fs-radius-md);
    overflow-x: auto;
    margin-bottom: var(--fs-spacing-md);
}

pre code {
    background: none;
    padding: 0;
}

blockquote {
    border-left: 4px solid var(--fs-color-border);
    padding-left: var(--fs-spacing-md);
    margin: var(--fs-spacing-md) 0;
    font-style: italic;
    color: var(--fs-color-text-secondary);
}

hr {
    border: none;
    border-top: 1px solid var(--fs-color-border);
    margin: var(--fs-spacing-xl) 0;
}

/* ==========================================================================
   Lists
   ========================================================================== */

ul,
ol {
    padding-left: var(--fs-spacing-lg);
    margin-bottom: var(--fs-spacing-md);
}

li {
    margin-bottom: var(--fs-spacing-xs);
}

li:last-child {
    margin-bottom: 0;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.site {
    min-height: 100vh;
}

.fluent-starter-content {
    width: var(--fs-content-width);
    margin-left: auto;
    margin-right: auto;
    padding-top: var(--fs-spacing-xl);
    padding-bottom: var(--fs-spacing-xl);
}

/* Wide and full alignment support for Gutenberg */
.entry-content > .alignwide {
    max-width: calc(var(--fs-content-max-width) + 200px);
    margin-left: auto;
    margin-right: auto;
    width: calc(100% + 4rem);
    margin-left: -2rem;
}

.entry-content > .alignfull {
    max-width: none;
    width: 100vw;
    margin-left: calc(50% - 50vw);
}

@media (min-width: 1024px) {
    .entry-content > .alignwide {
        width: calc(100% + 200px);
        margin-left: -100px;
    }
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

/* Skip link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    z-index: 999;
    background: var(--fs-color-bg);
    color: var(--fs-color-text);
    padding: var(--fs-spacing-sm) var(--fs-spacing-md);
}

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

/* Focus visible */
:focus-visible {
    outline: 2px solid var(--fs-color-link);
    outline-offset: 2px;
}

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

/* Screen reader only */
.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}