/* OneDark color palette — matches the root site and app theme */
:root {
  --bg0: #1B1D23;
  --bg1: #21252B;
  --bg2: #282C34;
  --bg3: #2C313A;
  --bg4: #323842;
  --fg: #ABB2BF;
  --fg-dim: #7F848E;
  --fg-faint: #5C6370;
  --fg-bright: #D7DAE0;
  --accent: #4D78CC;
  --blue: #61AFEF;
  --green: #98C379;
  --red: #E06C75;
  --yellow: #E5C07B;
  --orange: #D19A66;
  --cyan: #56B6C2;
  --purple: #C678DD;
  --border: #181A1F;
  --border-light: #3E4452;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg2);
  color: var(--fg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Hero ───────────────────────────────────────────── */
.hero {
  background: linear-gradient(180deg, var(--bg0) 0%, var(--bg1) 100%);
  padding: 72px 0 64px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.logo {
  display: block;
  width: 96px;
  height: 96px;
  border-radius: 20px;
  margin: 0 auto 24px;
  background: var(--bg3);
  padding: 8px;
}

/* Unobtrusive placeholder for the hero title while the repo name
 * is being fetched — mimics the final line height without any text. */
.hero-title-skeleton {
  color: transparent;
  user-select: none;
}

.hero h1 {
  font-size: 56px;
  font-weight: 700;
  color: var(--fg-bright);
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.tagline {
  font-size: 22px;
  color: var(--fg);
  margin-bottom: 8px;
}

.subtitle {
  font-size: 16px;
  color: var(--fg-dim);
  margin-bottom: 32px;
}

.badges {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 36px;
}

.badge-row {
  display: flex;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
}

.badge-row a {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.badges img {
  height: 20px;
}

.cta {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: transform 0.1s, background 0.15s;
}

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

.btn-primary {
  background: var(--accent);
  color: #F8FAFD;
}

.btn-primary:hover {
  background: #5A85D8;
}

.btn-secondary {
  background: var(--bg3);
  color: var(--fg-bright);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background: var(--bg4);
}

.btn .icon {
  font-size: 18px;
  font-weight: 700;
}

.release-tag-row {
  flex-basis: 100%;
  display: flex;
  justify-content: center;
  margin-top: 4px;
}

.release-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--bg3);
  color: var(--green);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s;
}

.release-tag:hover {
  background: var(--bg4);
}

/* ── Screenshots ────────────────────────────────────── */
.screenshots {
  padding: 64px 0;
  background: var(--bg2);
}

.screenshot-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 768px) {
  .screenshot-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.screenshot-grid figure {
  background: var(--bg1);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform 0.2s, border-color 0.2s;
}

.screenshot-grid figure:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.screenshot-clickable {
  cursor: zoom-in;
}

/* ── Lightbox ───────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(27, 29, 35, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 32px;
  cursor: zoom-out;
  animation: lightbox-fade 0.15s ease-out;
}

.lightbox[hidden] {
  display: none;
}

@keyframes lightbox-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.lightbox-image {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--border-light);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
  display: block;
}

.lightbox-close {
  position: absolute;
  top: 16px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg2);
  color: var(--fg-bright);
  border: 1px solid var(--border-light);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, transform 0.1s;
}

.lightbox-close:hover {
  background: var(--bg3);
  transform: scale(1.05);
}

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

/* Hide the alt/caption text while the image is still loading
 * so the area stays empty instead of showing a broken-image
 * icon + caption. No visible placeholder block. */
.screenshot-grid img:not(.loaded),
.badges img:not(.loaded) {
  color: transparent;
  font-size: 0;
}

.screenshot-grid figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--fg-dim);
  text-align: center;
  border-top: 1px solid var(--border);
}

/* ── README content ─────────────────────────────────── */
.readme-content {
  padding: 64px 0;
  background: var(--bg1);
  border-top: 1px solid var(--border);
}

.markdown-body {
  max-width: 800px;
  margin: 0 auto;
}

.markdown-body .loading {
  text-align: center;
  color: var(--fg-dim);
  padding: 40px;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  color: var(--fg-bright);
  margin-top: 32px;
  margin-bottom: 16px;
  font-weight: 600;
}

.markdown-body h1 {
  font-size: 32px;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 8px;
}

.markdown-body h2 {
  font-size: 26px;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 6px;
}

.markdown-body h3 { font-size: 20px; }

.markdown-body p { margin-bottom: 16px; }

.markdown-body a {
  color: var(--blue);
  text-decoration: none;
}

.markdown-body a:hover { text-decoration: underline; }

.markdown-body ul,
.markdown-body ol {
  margin-bottom: 16px;
  padding-left: 28px;
}

.markdown-body li { margin-bottom: 4px; }

.markdown-body code {
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  font-size: 13.5px;
  background: var(--bg3);
  color: var(--orange);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.markdown-body pre {
  background: var(--bg0);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
  margin-bottom: 16px;
}

.markdown-body pre code {
  background: none;
  border: none;
  color: var(--fg);
  padding: 0;
  font-size: 13px;
}

.markdown-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 8px 16px;
  margin: 16px 0;
  background: var(--bg2);
  color: var(--fg-dim);
  border-radius: 4px;
}

.markdown-body table {
  border-collapse: collapse;
  margin-bottom: 16px;
  width: 100%;
  font-size: 14px;
}

.markdown-body th,
.markdown-body td {
  padding: 8px 12px;
  border: 1px solid var(--border-light);
  text-align: left;
}

.markdown-body th {
  background: var(--bg3);
  color: var(--fg-bright);
  font-weight: 600;
}

.markdown-body tr:nth-child(even) td { background: var(--bg2); }
.markdown-body img { max-width: 100%; border-radius: 6px; }

.markdown-body hr {
  border: none;
  border-top: 1px solid var(--border-light);
  margin: 32px 0;
}

/* ── Footer ─────────────────────────────────────────── */
footer {
  background: var(--bg0);
  border-top: 1px solid var(--border);
  padding: 32px 0;
  text-align: center;
  color: var(--fg-dim);
  font-size: 14px;
}

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

footer a:hover { text-decoration: underline; }

footer .sep {
  margin: 0 8px;
  color: var(--fg-faint);
}

footer .muted {
  margin-top: 8px;
  font-size: 12px;
  color: var(--fg-faint);
}

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 600px) {
  .hero h1 { font-size: 40px; }
  .tagline { font-size: 18px; }
  .hero { padding: 48px 0 40px; }
}