/* ==========================================================================
   Droga Spokoju — Design System
   Two-tier tokens (primitive + semantic) with warm cream/brown palette
   ========================================================================== */

/* --------------------------------------------------------------------------
   3.2 — Design Tokens
   -------------------------------------------------------------------------- */

:root {
  /* Primitive tokens */
  --color-cream-50:  #FAF8F5;
  --color-cream-100: #F0EAE2;
  --color-cream-200: #E8E2DA;
  --color-brown-400: #8B6B4A;
  --color-brown-500: #6B4F33;
  --color-brown-800: #2C2825;
  --color-taupe-400: #7A7067;
  --color-white:     #FFFFFF;

  --font-serif: 'Lora', Georgia, 'Times New Roman', serif;
  --font-sans:  system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  --font-size-sm:   0.875rem;
  --font-size-base: 1.125rem;
  --font-size-lg:   1.25rem;
  --font-size-xl:   1.5rem;
  --font-size-2xl:  clamp(1.75rem, 4vw, 2.5rem);

  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  2rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;

  /* Semantic tokens */
  --page-bg:         var(--color-cream-50);
  --page-text:       var(--color-brown-800);
  --page-text-muted: var(--color-taupe-400);
  --page-border:     var(--color-cream-200);
  --page-surface:    var(--color-white);

  --accent:       var(--color-brown-400);
  --accent-hover: var(--color-brown-500);
  --accent-soft:  var(--color-cream-100);

  --body-font:           var(--font-serif);
  --ui-font:             var(--font-sans);
  --body-size:           var(--font-size-base);
  --body-line-height:    1.6;
  --heading-line-height: 1.2;

  --content-width: 65ch;
  --page-width:    860px;
  --page-padding:  var(--space-md);

  --radius:    12px;
  --radius-lg: 18px;

  --shadow: 0 18px 60px rgba(44, 40, 37, .08);
}

/* --------------------------------------------------------------------------
   3.3 — Base / Reset
   -------------------------------------------------------------------------- */

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

html {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100%;
  background: var(--page-bg);
  color: var(--page-text);
  font-family: var(--body-font);
  font-size: var(--body-size);
  line-height: var(--body-line-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Layout */

.wrap {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--page-padding) var(--space-2xl);
}

main {
  padding: var(--space-lg) 0;
}

/* Links */

a {
  color: var(--accent);
  text-decoration-thickness: .08em;
  text-underline-offset: .18em;
  transition: color .15s ease;
}

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

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Headings */

h1, h2, h3 {
  line-height: var(--heading-line-height);
  color: var(--page-text);
}

h1 {
  font-size: var(--font-size-2xl);
  margin: 0 0 var(--space-md);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-xl);
  margin: var(--space-lg) 0 var(--space-sm);
  font-weight: 700;
}

h3 {
  font-size: var(--font-size-lg);
  margin: var(--space-lg) 0 var(--space-sm);
  font-weight: 600;
}

hr {
  border: none;
  border-top: 1px solid var(--page-border);
  margin: var(--space-lg) 0;
}

/* --------------------------------------------------------------------------
   3.4 — Component Styles
   -------------------------------------------------------------------------- */

/* Card — glass-morphism (post-cards and form containers only) */

.card {
  background: rgba(255, 255, 255, .78);
  border: 1px solid var(--page-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* Button */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius);
  border: none;
  background: var(--accent);
  color: var(--color-white);
  font-family: var(--ui-font);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: .02em;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s ease, transform .06s ease;
}

.btn:hover {
  background: var(--accent-hover);
  color: var(--color-white);
  text-decoration: none;
}

.btn:active {
  transform: translateY(1px);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Form */

.form {
  display: grid;
  gap: var(--space-md);
}

label span {
  display: block;
  font-family: var(--ui-font);
  font-size: var(--font-size-sm);
  color: var(--page-text-muted);
  margin-bottom: var(--space-xs);
}

input, textarea {
  width: 100%;
  background: rgba(255, 255, 255, .85);
  color: var(--page-text);
  border: 1px solid var(--page-border);
  border-radius: var(--radius);
  padding: var(--space-sm) var(--space-md);
  font-family: var(--body-font);
  font-size: var(--font-size-base);
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}

input:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(139, 107, 74, .15);
}

input::placeholder, textarea::placeholder {
  color: var(--page-text-muted);
  opacity: .6;
}

/* Prose — constrained reading width */

.prose {
  max-width: var(--content-width);
}

.prose p {
  margin: 0 0 var(--space-md);
}

.prose h2 {
  margin-top: var(--space-xl);
}

.prose h3 {
  margin-top: var(--space-lg);
}

.prose blockquote {
  margin: var(--space-lg) 0;
  padding: var(--space-sm) var(--space-lg);
  border-left: 3px solid var(--accent);
  color: var(--page-text-muted);
  font-style: italic;
}

.prose ul, .prose ol {
  margin: 0 0 var(--space-md);
  padding-left: var(--space-lg);
}

.prose li {
  margin: var(--space-xs) 0;
}

.prose a {
  text-decoration: underline;
}

/* Lead text */

.lead {
  font-size: var(--font-size-lg);
  color: var(--page-text-muted);
  max-width: var(--content-width);
  margin: 0 0 var(--space-md);
}

/* Meta / date */

.meta {
  font-family: var(--ui-font);
  font-size: var(--font-size-sm);
  color: var(--page-text-muted);
}

/* Fineprint */

.fineprint {
  margin: 0;
  font-family: var(--ui-font);
  font-size: var(--font-size-sm);
  color: var(--page-text-muted);
}

/* Status message */

.status {
  margin: 0;
  font-family: var(--ui-font);
  font-size: var(--font-size-sm);
  color: var(--page-text);
  min-height: 1.2em;
}

/* Honeypot — hidden from view */

.hp {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Active nav indicator */

.active {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: .25em;
  text-decoration-thickness: 2px;
}

/* Post card */

.post-card h2, .post-card h3 {
  margin: 0 0 var(--space-xs);
}

.post-card h2 a, .post-card h3 a {
  color: var(--page-text);
  text-decoration: none;
}

.post-card h2 a:hover, .post-card h3 a:hover {
  color: var(--accent);
}

.post-card time {
  display: block;
  font-family: var(--ui-font);
  font-size: var(--font-size-sm);
  color: var(--page-text-muted);
  margin-bottom: var(--space-sm);
}

.post-card p {
  margin: 0;
  color: var(--page-text-muted);
}

/* Post list and sections */

.post-list {
  display: grid;
  gap: var(--space-md);
}

.latest-posts {
  margin-bottom: var(--space-xl);
}

.latest-posts .card {
  margin-bottom: var(--space-md);
}

.all-posts-link {
  display: inline-block;
  margin-top: var(--space-sm);
  font-family: var(--ui-font);
  font-weight: 600;
}

/* Newsletter CTA */

.newsletter-cta {
  margin-top: var(--space-xl);
}

.newsletter {
  margin-bottom: var(--space-lg);
}

/* Post layout */

.post-header {
  margin-bottom: var(--space-lg);
}

.post-header time {
  display: block;
  font-family: var(--ui-font);
  font-size: var(--font-size-sm);
  color: var(--page-text-muted);
  margin-top: var(--space-sm);
}

.post-newsletter {
  margin-top: var(--space-xl);
}

.post-nav {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--page-border);
  font-family: var(--ui-font);
}

/* --------------------------------------------------------------------------
   3.5 — Navigation
   -------------------------------------------------------------------------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  max-width: var(--page-width);
  margin: 0 auto;
  padding: var(--space-md) var(--page-padding);
}

.site-name {
  font-family: var(--body-font);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--page-text);
  text-decoration: none;
}

.site-name:hover {
  color: var(--accent);
}

/* Nav list */

.site-header nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--space-lg);
}

.site-header nav a {
  font-family: var(--ui-font);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--page-text-muted);
  text-decoration: none;
  transition: color .15s ease;
}

.site-header nav a:hover,
.site-header nav a.active {
  color: var(--accent);
}

.site-header nav a.active {
  text-decoration: underline;
  text-underline-offset: .25em;
  text-decoration-thickness: 2px;
}

/* Hamburger button — hidden on desktop */

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  position: relative;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--page-text);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: '';
  position: absolute;
}

.nav-toggle-icon::before {
  transform: translateY(-7px);
}

.nav-toggle-icon::after {
  transform: translateY(7px);
}

/* Hamburger open state */

.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  transform: rotate(-45deg);
}

/* Mobile nav — below 860px */

@media (max-width: 859px) {
  .nav-toggle {
    display: flex;
  }

  .site-header nav {
    display: none;
    width: 100%;
    order: 3;
    padding-top: var(--space-md);
  }

  .site-header nav.open {
    display: block;
  }

  .site-header nav ul {
    flex-direction: column;
    gap: 0;
  }

  .site-header nav li {
    border-top: 1px solid var(--page-border);
  }

  .site-header nav a {
    display: block;
    padding: var(--space-sm) 0;
    font-size: var(--font-size-base);
  }
}

/* --------------------------------------------------------------------------
   3.6 — Footer
   -------------------------------------------------------------------------- */

.site-footer {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--page-padding) var(--space-lg);
  color: var(--page-text-muted);
  font-family: var(--ui-font);
  font-size: var(--font-size-sm);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
}

.footer-links a {
  color: var(--page-text-muted);
  font-size: var(--font-size-sm);
}

.footer-links p {
  margin: 0;
  color: var(--page-text-muted);
}

/* --------------------------------------------------------------------------
   3.7 — Responsive: Desktop overrides (mobile-first base above)
   -------------------------------------------------------------------------- */

@media (min-width: 860px) {
  .wrap {
    padding: var(--space-2xl) var(--page-padding);
  }

  .hero {
    padding: 0 0 var(--space-2xl);
  }

  .post-list {
    gap: var(--space-lg);
  }
}

/* --------------------------------------------------------------------------
   3.8 — Print Stylesheet
   -------------------------------------------------------------------------- */

@media print {
  :root {
    color-scheme: light;
  }

  body {
    background: #fff !important;
    color: #000 !important;
    font-size: 11pt;
    line-height: 1.35;
  }

  /* Hide non-content elements */
  .site-header,
  .site-footer,
  .nav-toggle,
  .newsletter,
  .newsletter-cta,
  .post-newsletter,
  form,
  button,
  .btn,
  .status,
  .hp {
    display: none !important;
  }

  /* Remove card decoration */
  .wrap {
    max-width: none;
    padding: 0;
  }

  .card {
    box-shadow: none !important;
    border: none !important;
    background: transparent !important;
    backdrop-filter: none !important;
    padding: 0 !important;
    margin: 0 0 16pt 0 !important;
    break-inside: avoid;
  }

  /* Paper typography */
  h1 { font-size: 18pt; }
  h2 { font-size: 14pt; margin-top: 14pt; }
  h3 { font-size: 11pt; }
  p, li { font-size: 11pt; line-height: 1.35; }
  .lead { font-size: 11pt; }
  .prose { max-width: none; }

  /* Show URLs on paper */
  a {
    color: #000 !important;
    text-decoration: underline;
  }

  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 9pt;
  }
}