/* ============================================================
   Design tokens — dark theme (One Dark Pro) default
   ============================================================ */
:root,
[data-theme='dark'] {
  --bg:        #282c34;
  --bg-alt:    #21252b;
  --bg-card:   #2c313c;
  --border:    #3e4451;
  --text:      #abb2bf;
  --text-dim:  #636d83;
  --text-head: #e06c75;
  --accent:    #61afef;
  --accent-h:  #528bff;
  --green:     #98c379;
  --yellow:    #e5c07b;
  --purple:    #c678dd;

  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;

  --radius:    6px;
  --max-w:     860px;
  --gap:       1.5rem;
}

/* ============================================================
   Design tokens — light theme (Atom One Light)
   ============================================================ */
[data-theme='light'] {
  --bg:        #fafafa;
  --bg-alt:    #f0f0f0;
  --bg-card:   #e8e8e8;
  --border:    #d3d3d3;
  --text:      #383a42;
  --text-dim:  #a0a1a7;
  --text-head: #e45649;
  --accent:    #4078f2;
  --accent-h:  #2963d8;
  --green:     #50a14f;
  --yellow:    #c18401;
  --purple:    #a626a4;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent);
  text-decoration: none;
}

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

h1, h2, h3, h4 {
  color: var(--text-head);
  line-height: 1.2;
}

h1 { font-size: 2rem;   margin-bottom: 0.5rem; }
h2 { font-size: 1.4rem; margin: 2rem 0 0.75rem; }
h3 { font-size: 1.1rem; margin: 1.5rem 0 0.5rem; }

p { margin-bottom: 1rem; }

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

code {
  font-family: var(--font-mono);
  background: var(--bg-alt);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  font-size: 0.88em;
}

pre {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  overflow-x: auto;
  margin-bottom: 1rem;
}

pre code {
  background: none;
  padding: 0;
  font-size: 0.875rem;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* ============================================================
   Layout
   ============================================================ */
.site-header {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gap);
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 3.25rem;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-head);
  text-decoration: none;
  white-space: nowrap;
}

.nav-logo:hover { color: var(--text-head); text-decoration: none; }

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  margin-left: auto;
  align-items: center;
}

.nav-links a {
  color: var(--text);
  font-size: 0.9rem;
  transition: color 0.15s;
}

.nav-links a:hover {
  color: var(--accent);
  text-decoration: none;
}

.nav-links svg {
  width: 18px;
  height: 18px;
  display: block;
}

.site-main {
  flex: 1;
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: 3rem var(--gap);
}

.site-footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 1.25rem var(--gap);
  color: var(--text-dim);
  font-size: 0.85rem;
}

.site-footer .bright-text {
  color: var(--text-head);
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  text-align: center;
}

.hero-title {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.hero-tagline {
  font-size: 1.15rem;
  color: var(--text-dim);
  margin-bottom: 2.5rem;
}

.version-note {
  margin-top: 1.25rem;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.hero-screenshot {
  overflow: hidden;
  line-height: 0;
  margin-bottom: 2.5rem;
}

.hero-screenshot img {
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================================
   Download buttons
   ============================================================ */
.download-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text);
  font-size: 0.9rem;
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}

.download-btn:hover {
  border-color: var(--accent);
  background: var(--bg-alt);
  text-decoration: none;
  color: var(--accent);
}

.download-btn--primary {
  border-color: var(--accent);
  color: var(--accent);
}

.download-btn--primary:hover {
  background: var(--accent);
  color: var(--bg);
}

.download-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.download-ext {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.download-btn:hover .download-ext {
  color: inherit;
}

/* ============================================================
   Features section
   ============================================================ */
.features {
  margin-top: 5rem;
  margin-bottom: 5rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feature img {
  width: 100%;
  height: auto;
  display: block;
}

.feature h3 {
  font-size: 1rem;
  color: var(--text-head);
  margin: 0;
}

.feature p {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin: 0;
  line-height: 1.6;
}

/* ============================================================
   Release card (home page)
   ============================================================ */
.latest-release {
  margin-top: 3rem;
}

.release-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.15s;
}

.release-card:hover {
  border-color: var(--accent);
  text-decoration: none;
  color: var(--text);
}

.release-card-version {
  font-family: var(--font-mono);
  color: var(--green);
  font-size: 0.95rem;
}

.release-card-date {
  color: var(--text-dim);
  font-size: 0.875rem;
  margin-left: auto;
}

.release-card svg {
  width: 16px;
  height: 16px;
  color: var(--text-dim);
}

/* ============================================================
   Blog / post list
   ============================================================ */
.post-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.post-list-item a {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.15s;
}

.post-list-item a:hover {
  border-color: var(--accent);
  text-decoration: none;
  color: var(--text);
}

.post-version {
  font-family: var(--font-mono);
  color: var(--green);
  font-size: 0.875rem;
  white-space: nowrap;
}

.post-title {
  flex: 1;
}

.post-list-item time {
  color: var(--text-dim);
  font-size: 0.8rem;
  white-space: nowrap;
  margin-left: auto;
}

/* ============================================================
   Release post
   ============================================================ */
.release-header {
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.5rem;
}

.release-date {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.download-buttons {
  margin-bottom: 3rem;
}

.download-buttons .download-grid {
  justify-content: flex-start;
}

.release-notes h2 {
  margin-top: 0;
}

/* ============================================================
   Page content (generic)
   ============================================================ */
.page-content h1 {
  margin-bottom: 1.5rem;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 600px) {
  .hero-title { font-size: 2rem; }
  .features-grid { grid-template-columns: 1fr; }
  .download-grid { flex-direction: column; }
  .download-btn { justify-content: center; }
  .nav-links { gap: 1rem; }
  .post-list-item time { display: none; }
  .release-card-date { display: none; }
}

/* ============================================================
   Theme toggle button
   ============================================================ */
.theme-toggle {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  transition: color 0.15s;
  margin-top: 0.5rem;
}

.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.theme-toggle svg {
  width: 15px;
  height: 15px;
  display: block;
}

/* Show sun in dark mode (click → switch to light) */
/* Show moon in light mode (click → switch to dark) */
[data-theme='dark']  .theme-icon--light { display: none; }
[data-theme='light'] .theme-icon--dark  { display: none; }

/* Hero image variants */
[data-theme='dark']  .hero-img--light { display: none; }
[data-theme='light'] .hero-img--dark  { display: none; }