/* ═══════════════════════════════════════════════════════════════════════════
   WebShareAPI.com — Main Stylesheet
   Golden Summer Fields palette
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Design Tokens ──────────────────────────────────────────────────────── */
:root {
  --color-gold:        #c9a84c;
  --color-gold-dark:   #a08c3a;
  --color-gold-light:  #e8d49a;
  --color-olive:       #8a7e5a;
  --color-olive-dark:  #5e5538;
  --color-olive-light: #b8ae8a;
  --color-bg:          #faf8f2;
  --color-surface:     #f2eddf;
  --color-surface-2:   #ede6d0;
  --color-border:      #ddd5b8;
  --color-text:        #3b3620;
  --color-text-muted:  #6b6245;
  --color-muted:       #7a7258;
  --color-code-bg:     #f5f0e0;
  --color-code-border: #ddd0a8;
  --color-link:        #7a5c1e;
  --color-link-hover:  #c9a84c;
  --color-white:       #fff;

  --radius:            6px;
  --radius-lg:         12px;
  --header-height:     64px;
  --max-width:         1280px;
  --content-width:     860px;

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Fira Code", "Cascadia Code", "JetBrains Mono", ui-monospace, "Courier New", monospace;

  --shadow-sm:  0 1px 3px rgba(60,50,20,0.10);
  --shadow-md:  0 4px 16px rgba(60,50,20,0.12);
  --shadow-lg:  0 8px 32px rgba(60,50,20,0.14);

  --transition: 200ms ease;
}

/* ── Reset ──────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--color-link); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--color-link-hover); }
ul, ol { padding-left: 1.5rem; }

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--color-gold);
  color: var(--color-text);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-weight: 600;
  z-index: 9999;
  text-decoration: none;
  transition: top var(--transition);
}
.skip-link:focus { top: 0.5rem; }

/* ── Layout Shell ───────────────────────────────────────────────────────── */
.page-wrapper {
  flex: 1;
  width: 100%;
}

/* ══════════════════════════════════════════════════════════════════════════
   HEADER
   ══════════════════════════════════════════════════════════════════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 2px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}
.site-logo:hover { color: var(--color-gold-dark); }
.site-logo svg { flex-shrink: 0; transition: transform var(--transition); }
.site-logo:hover svg { transform: rotate(10deg) scale(1.05); }
.logo-text {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}
.logo-tld { color: var(--color-link); }

/* Nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.nav-link:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}
.nav-link--active {
  background: var(--color-gold);
  color: #3b3000;
  font-weight: 600;
}
.nav-link--active:hover {
  background: #7a6820;
  color: var(--color-white);
}
.nav-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  margin-left: auto;
}
.hamburger-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ══════════════════════════════════════════════════════════════════════════
   BREADCRUMBS
   ══════════════════════════════════════════════════════════════════════════ */
.breadcrumbs {
  padding: 0.75rem 0 0;
}
.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.2rem;
  list-style: none;
  padding: 0;
  font-size: 0.82rem;
  color: var(--color-muted);
}
.breadcrumb-link {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition);
}
.breadcrumb-link:hover { color: var(--color-gold); text-decoration: underline; }
.breadcrumb-sep { color: var(--color-border); margin: 0 0.15rem; }
.breadcrumb-item--current span { color: var(--color-text-muted); font-weight: 500; }

/* ══════════════════════════════════════════════════════════════════════════
   HOMEPAGE
   ══════════════════════════════════════════════════════════════════════════ */
.home-page { width: 100%; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-2) 100%);
  border-bottom: 2px solid var(--color-border);
  padding: 4rem 1.5rem 3.5rem;
}
.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.hero-title {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-text);
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}
.hero-title::first-line { color: var(--color-gold-dark); }
.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--color-text-muted);
  max-width: 680px;
  margin-bottom: 2rem;
  line-height: 1.6;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.3rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  box-shadow: var(--shadow-sm);
}
.cta-btn svg { width: 18px; height: 18px; }
.cta-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.cta-btn--security  { background: var(--color-gold);  color: #3b3000; }
.cta-btn--native    { background: #6b5e3a;             color: #fff; }
.cta-btn--permission{ background: #7a6820;             color: #fff; }
.cta-btn--offline   { background: #4a7a4a;             color: #fff; }
.cta-btn--target    { background: #8a6d3b;             color: #fff; }
.cta-btn--security:hover  { background: #7a6820; color: #fff; }
.cta-btn--native:hover    { background: var(--color-olive-dark); }
.cta-btn--permission:hover{ background: var(--color-olive-dark); }
.cta-btn--offline:hover   { background: #3d6e3d; }
.cta-btn--target:hover    { background: var(--color-olive-dark); }

/* Home intro */
.home-intro {
  background: var(--color-bg);
  padding: 2.5rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}
.intro-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}
.intro-inner p + p { margin-top: 1rem; }

/* Pillar cards */
.pillar-section { padding: 3rem 1.5rem 4rem; }
.pillars-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
}
.pillar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.pillar-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.pillar-card-icon { display: flex; }
.pillar-card-icon svg { width: 48px; height: 48px; }
.pillar-card-title { font-size: 1.15rem; font-weight: 700; }
.pillar-card-title a { text-decoration: none; color: var(--color-text); }
.pillar-card-title a:hover { color: var(--color-gold-dark); }
.pillar-card p { color: var(--color-text-muted); font-size: 0.95rem; line-height: 1.6; }
.pillar-card-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.pillar-card-links a {
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-link);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color var(--transition), gap var(--transition);
}
.pillar-card-links a::before { content: "→"; color: var(--color-gold); font-size: 0.85em; }
.pillar-card-links a:hover { color: var(--color-gold-dark); gap: 0.5rem; }

/* ══════════════════════════════════════════════════════════════════════════
   CONTENT PAGES
   ══════════════════════════════════════════════════════════════════════════ */
.content-page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1.5rem 4rem;
  width: 100%;
}

/* Article body fills the full content-page width — no narrow column */
.article-body {
  width: 100%;
}

/* Headings */
.article-body h1 {
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.03em;
  margin: 1.5rem 0 1.25rem;
  line-height: 1.2;
  padding-bottom: 0.5rem;
  border-bottom: 3px solid var(--color-gold);
}
.article-body h2 {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 700;
  color: var(--color-text);
  margin: 2.5rem 0 1rem;
  padding-left: 0.75rem;
  border-left: 4px solid var(--color-gold);
  line-height: 1.3;
  scroll-margin-top: calc(var(--header-height) + 20px);
}
.article-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-olive-dark);
  margin: 1.75rem 0 0.6rem;
  scroll-margin-top: calc(var(--header-height) + 20px);
}
.article-body h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin: 1.25rem 0 0.5rem;
  scroll-margin-top: calc(var(--header-height) + 20px);
}

/* Anchor offset for all headings */
.article-body [id] { scroll-margin-top: calc(var(--header-height) + 20px); }

/* Paragraphs & lists */
.article-body p { margin-bottom: 1.1rem; }
.article-body ul,
.article-body ol  { margin: 0.75rem 0 1.1rem 0; padding-left: 0; list-style: none; }
.article-body ul li,
.article-body ol li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.55rem;
  line-height: 1.7;
}
/* Custom bullet — golden dash */
.article-body ul li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-weight: 700;
}
/* Ordered list counter */
.article-body ol { counter-reset: ol-counter; }
.article-body ol li::before {
  counter-increment: ol-counter;
  content: counter(ol-counter) ".";
  position: absolute;
  left: 0;
  color: var(--color-gold-dark);
  font-weight: 700;
  font-size: 0.9em;
}
/* Nested lists */
.article-body ul ul,
.article-body ol ol,
.article-body ul ol,
.article-body ol ul { margin: 0.4rem 0 0.4rem 1rem; }
/* Task items override — no golden dash */
.task-item::before { display: none !important; }

/* ── Inline code ──────────────────────────────────────────────────────── */
/* House style: inline code blends with prose — no background, no border,
   body-text colour, monospace font only. Block code in <pre> keeps its box. */
.article-body code:not(pre code) {
  font-family: var(--font-mono);
  font-size: 0.87em;
  background: none;
  border: none;
  padding: 0;
  color: var(--color-text);
  word-break: break-word;
}

/* ── Code blocks ──────────────────────────────────────────────────────── */
.code-block-wrapper {
  position: relative;
  margin: 1.25rem 0 1.5rem;
}
.article-body pre {
  background: var(--color-code-bg);
  border: 1px solid var(--color-code-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 1.25rem 1.25rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  tab-size: 2;
  color: var(--color-text);
}
.article-body pre code { background: none; border: none; padding: 0; font-size: inherit; color: inherit; }

/* Copy button */
.copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #5c5442;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  z-index: 2;
}
.copy-btn:hover { background: var(--color-gold); color: var(--color-text); border-color: var(--color-gold); }
.copy-btn.copied { background: #5a8a5a; color: #fff; border-color: #4a7a4a; }

/* ── Syntax highlighting — Prism.js token colours (Golden Summer Fields) ── */
/* Override Prism's default theme to match our palette */
code[class*="language-"],
pre[class*="language-"] {
  background: var(--color-code-bg);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  text-shadow: none;
  tab-size: 2;
}
pre[class*="language-"] {
  border: 1px solid var(--color-code-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  overflow-x: auto;
  margin: 0;
}
/* Token colours — all meet WCAG AA 4.5:1 on #f5f0e0 code background */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata          { color: #5e5538; font-style: italic; }
.token.punctuation    { color: #5c5442; }
.token.namespace      { opacity: 0.7; }
.token.property,
.token.tag,
.token.boolean,
.token.number,
.token.constant,
.token.symbol         { color: #8a4820; }
.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin        { color: #4a6a1a; }
.token.operator,
.token.entity,
.token.url,
.language-css .token.string,
.style .token.string  { color: #8a6030; }
.token.atrule,
.token.attr-value,
.token.keyword        { color: #7a5010; font-weight: 600; }
.token.function,
.token.class-name     { color: #6a4020; }
.token.regex,
.token.important,
.token.variable       { color: #a05020; }
.token.important,
.token.bold           { font-weight: bold; }
.token.italic         { font-style: italic; }
.token.inserted       { background: rgba(90, 122, 42, 0.15); }
.token.deleted        { background: rgba(160, 80, 32, 0.15); }

/* ── Tables ──────────────────────────────────────────────────────────── */
.table-scroll { overflow-x: auto; margin: 1.25rem 0; -webkit-overflow-scrolling: touch; }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--color-surface);
}
.article-body th {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  padding: 0.6rem 0.9rem;
  font-weight: 700;
  text-align: left;
  color: var(--color-text);
}
.article-body td {
  border: 1px solid var(--color-border);
  padding: 0.55rem 0.9rem;
  vertical-align: top;
}
.article-body tr:nth-child(even) td { background: var(--color-bg); }
.article-body td code { font-size: 0.82em; }

/* ── FAQ Accordions ──────────────────────────────────────────────────── */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 0.6rem;
  background: var(--color-surface);
  overflow: hidden;
}
.faq-question {
  display: block;
  position: relative;
  padding: 0.85rem 2.5rem 0.85rem 1.1rem; /* right padding leaves room for the + icon */
  font-weight: 600;
  font-size: 0.97rem;
  cursor: pointer;
  list-style: none;
  color: var(--color-text);
  transition: background var(--transition);
  line-height: 1.5;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
  content: "+";
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gold);
  font-size: 1.3em;
  font-weight: 700;
  line-height: 1;
}
.faq-item[open] .faq-question { background: var(--color-surface-2); }
.faq-item[open] .faq-question::after { content: "−"; }
.faq-question:hover { background: var(--color-surface-2); }
/* Inline code inside FAQ question — blends with prose, no box */
.faq-question code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-weight: 600;
  vertical-align: baseline;
}
.faq-answer {
  padding: 0.85rem 1.1rem 1rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}
.faq-answer p:last-child { margin-bottom: 0; }

/* ── Checkboxes ──────────────────────────────────────────────────────── */
.task-item {
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
}
.task-item input[type="checkbox"] {
  flex-shrink: 0;
  margin-top: 0.25rem;
  accent-color: var(--color-gold);
  width: 15px;
  height: 15px;
  cursor: pointer;
}
.task-item.checked-item > label,
.task-item input:checked + * {
  text-decoration: line-through;
  color: var(--color-muted);
}

/* ── Mermaid diagrams ────────────────────────────────────────────────── */
.mermaid {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin: 1.25rem 0;
  overflow-x: auto;
}

/* ── Links in articles ───────────────────────────────────────────────── */
.article-body a {
  color: var(--color-link);
  font-weight: 500;
  text-underline-offset: 3px;
  transition: color var(--transition);
}
.article-body a:hover { color: var(--color-gold-dark); }

/* ── Blockquotes ─────────────────────────────────────────────────────── */
.article-body blockquote {
  border-left: 4px solid var(--color-gold-light);
  background: var(--color-surface);
  margin: 1.25rem 0;
  padding: 0.9rem 1.25rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ══════════════════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════════════════ */
.site-footer {
  background: var(--color-surface-2);
  border-top: 2px solid var(--color-border);
  margin-top: auto;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 1.5rem;
}
.footer-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-heading {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.footer-icon { width: 16px; height: 16px; color: var(--color-gold); }
.footer-links {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.footer-links a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--color-gold-dark); text-decoration: underline; }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
  font-size: 0.8rem;
  color: #5c5442;
  text-align: center;
}

/* ══════════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .main-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 2px solid var(--color-gold);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem;
    box-shadow: var(--shadow-md);
    z-index: 199;
  }
  .main-nav.nav-open { display: flex; }
  .nav-link { padding: 0.75rem 1rem; font-size: 0.95rem; }

  .hero { padding: 2.5rem 1rem 2rem; }
  .hero-ctas { flex-direction: column; align-items: flex-start; }
  .cta-btn { width: 100%; justify-content: center; }
  .pillar-section { padding: 2rem 1rem 3rem; }
  .content-page { padding: 1rem 1rem 3rem; }
  .pillars-inner { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .footer-nav { grid-template-columns: 1fr; }
  .logo-text { display: none; }
}

/* ── Widescreen ─────────────────────────────────────────────────────────── */
@media (min-width: 1280px) {
  .hero { padding: 5rem 2rem 4.5rem; }
  .content-page { padding: 2rem 3rem 5rem; }
  .pillar-section { padding: 3.5rem 2rem 5rem; }
}


/* In-article diagram SVGs: fill text column, override inline max-width caps (UI icons unaffected — scoped to .article-body) */
.article-body svg[role="img"] { width:100% !important; max-width:100% !important; height:auto; }