/* ============================================================
   확장프로그램 랜딩 페이지 — 공용 스타일
   README를 렌더링 + 다운로드/GitHub 링크 노출
   ============================================================ */

:root {
  --bg: #ffffff;
  --bg-soft: #f6f7f9;
  --text: #1f2328;
  --text-muted: #57606a;
  --border: #d0d7de;
  --border-soft: #eaeef2;
  --accent: #0969da;
  --accent-soft: #dbeafe;
  --code-bg: #f3f4f6;
  --quote-bg: #f6f8fa;
  --shadow: 0 1px 3px rgba(0,0,0,.06);
  --font-sans: 'Pretendard', -apple-system, 'Segoe UI', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  --font-mono: ui-monospace, 'SF Mono', Consolas, monospace;
}

[data-theme="dark"] {
  --bg: #0d1117;
  --bg-soft: #161b22;
  --text: #e6edf3;
  --text-muted: #8d96a0;
  --border: #30363d;
  --border-soft: #21262d;
  --accent: #58a6ff;
  --accent-soft: #1f3a5f;
  --code-bg: #161b22;
  --quote-bg: #161b22;
  --shadow: 0 1px 3px rgba(0,0,0,.4);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

/* 홈 링크 */
#home-link {
  position: fixed;
  top: 12px;
  right: 16px;
  z-index: 60;
  padding: 7px 12px;
  background: var(--bg);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12.5px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: background .12s, color .12s;
}
#home-link:hover {
  background: var(--bg-soft);
  color: var(--accent);
}

/* 다크모드 버튼 */
#theme-toggle {
  position: fixed;
  bottom: 16px;
  right: 16px;
  z-index: 40;
  padding: 8px 12px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow);
}
[data-theme="dark"] #theme-toggle {
  background: var(--bg-soft);
  border-color: var(--accent);
}

/* 컨테이너 */
.page {
  max-width: 820px;
  margin: 0 auto;
  padding: 56px 32px 80px;
}

.ext-header {
  margin-bottom: 24px;
}
.ext-tags {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.ext-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  background: var(--accent-soft);
  color: var(--accent);
}
.ext-title {
  margin: 0 0 6px;
  font-size: 28px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.3px;
}
.ext-sub {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
}

/* 액션 버튼 */
.ext-actions {
  display: flex;
  gap: 10px;
  margin: 24px 0;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 6px;
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid var(--border);
  transition: background .12s, transform .12s;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  filter: brightness(0.95);
}
.btn-secondary {
  background: var(--bg);
  color: var(--text);
}
.btn-secondary:hover {
  background: var(--bg-soft);
}

hr.divider {
  margin: 24px 0 32px;
  border: 0;
  border-top: 1px solid var(--border-soft);
}

/* 렌더링된 README */
.readme {
  font-size: 15.5px;
}
.readme h1 {
  font-size: 26px;
  font-weight: 800;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
  line-height: 1.3;
}
.readme h2 {
  font-size: 20px;
  font-weight: 700;
  margin: 32px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-soft);
}
.readme h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 24px 0 8px;
}
.readme p {
  margin: 0 0 12px;
}
.readme a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.readme a:hover {
  border-bottom-color: var(--accent);
}
.readme strong {
  font-weight: 700;
}
.readme ul, .readme ol {
  margin: 0 0 12px;
  padding-left: 24px;
}
.readme li {
  margin: 3px 0;
}
.readme code {
  padding: 2px 6px;
  background: var(--code-bg);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.88em;
}
.readme pre {
  margin: 16px 0;
  padding: 14px 18px;
  background: var(--code-bg);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  overflow-x: auto;
  font-size: 13px;
}
.readme pre code {
  padding: 0;
  background: transparent;
}
.readme blockquote {
  margin: 16px 0;
  padding: 10px 16px;
  background: var(--quote-bg);
  border-left: 4px solid var(--border);
  border-radius: 0 6px 6px 0;
  color: var(--text);
}
.readme table {
  width: 100%;
  margin: 16px 0;
  border-collapse: collapse;
  font-size: 14px;
}
.readme th, .readme td {
  padding: 8px 12px;
  border: 1px solid var(--border);
  text-align: left;
}
.readme th {
  background: var(--bg-soft);
  font-weight: 700;
}

.loading, .error {
  padding: 24px;
  background: var(--bg-soft);
  border-radius: 8px;
  color: var(--text-muted);
}
.error {
  color: #b91c1c;
  background: #fef2f2;
}
[data-theme="dark"] .error {
  color: #fca5a5;
  background: #2a0e0e;
}

@media (max-width: 720px) {
  .page { padding: 56px 18px 80px; }
  .ext-title { font-size: 22px; }
}