/* Hugo iOS Dev Hub - Minimal blog styles */
:root {
  --bg: #f7f4ef;
  --surface: #ffffff;
  --border: rgba(15, 23, 42, 0.12);
  --text-primary: #0f172a;
  --text-secondary: rgba(15, 23, 42, 0.72);
  --text-tertiary: rgba(15, 23, 42, 0.52);
  --accent: #0ea5a0;
  --accent-strong: #0f766e;
  --shadow-sm: 0 12px 30px rgba(15, 23, 42, 0.08);
  --font-body: "DM Sans", "SF Pro Text", -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --font-display: "Space Grotesk", "SF Pro Display", -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.7;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(600px 400px at 10% -10%, rgba(14, 165, 160, 0.12), transparent 60%),
    radial-gradient(700px 420px at 90% 0%, rgba(251, 107, 74, 0.12), transparent 60%),
    linear-gradient(180deg, #fff8ef 0%, #f7f4ef 50%, #f2efe9 100%);
  z-index: -1;
  pointer-events: none;
}

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

a:hover {
  color: var(--accent-strong);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  line-height: 1.2;
}

.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-shell > main {
  flex: 1;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(140%) blur(18px);
  background: rgba(247, 244, 239, 0.9);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-primary);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-family: var(--font-display);
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  background: rgba(14, 165, 160, 0.12);
}

.nav-links {
  display: flex;
  gap: 0.8rem;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 600;
  padding: 0.4rem 0.6rem;
  border-radius: 999px;
}

.nav-link:hover {
  background: rgba(14, 165, 160, 0.12);
  color: var(--text-primary);
}

.nav-link.is-active {
  background: rgba(14, 165, 160, 0.18);
  color: var(--text-primary);
  font-weight: 700;
}

.section {
  padding: 3rem 0;
}

.page-title {
  margin-bottom: 2rem;
}

.page-title h1 {
  font-size: 2.6rem;
  margin-bottom: 0.6rem;
}

.page-title p {
  color: var(--text-secondary);
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(14, 165, 160, 0.15);
  color: var(--accent-strong);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.7rem;
  width: fit-content;
}

.list-header {
  margin-bottom: 1.5rem;
  display: grid;
  gap: 0.6rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.list-header h1 {
  font-size: 2.4rem;
  margin: 0;
}

.list-header p {
  color: var(--text-secondary);
  max-width: 680px;
}

.list-controls {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.search-bar input {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #ffffff;
  font-size: 1rem;
}

.tag-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tag-chip {
  border: 1px solid rgba(14, 165, 160, 0.25);
  background: rgba(14, 165, 160, 0.1);
  color: var(--accent-strong);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
}

.tag-chip.is-active {
  background: linear-gradient(135deg, rgba(14, 165, 160, 0.25), rgba(251, 107, 74, 0.25));
  border-color: rgba(14, 165, 160, 0.4);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  max-width: 900px;
  margin: 0 auto;
}

.tag-cloud-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text-primary);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.tag-count {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.post-list {
  display: grid;
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
}

.post-item {
  display: grid;
  gap: 0.6rem;
  padding: 1.1rem 1.2rem;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.post-main {
  display: grid;
  gap: 0.4rem;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-tertiary);
  font-size: 0.85rem;
  font-weight: 600;
}

.post-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(14, 165, 160, 0.12);
  color: var(--accent-strong);
  border: 1px solid rgba(14, 165, 160, 0.2);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.post-title {
  font-size: 1.3rem;
  margin: 0;
}

.post-desc {
  color: var(--text-secondary);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-action {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 700;
  white-space: nowrap;
}

.search-empty {
  color: var(--text-secondary);
  text-align: center;
  padding: 2rem 0;
}

.pagination {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-secondary);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-link {
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

.page-current {
  font-weight: 600;
  flex: 1;
  text-align: center;
  font-size: 0.85rem;
}

.article-header {
  margin-bottom: 2rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-tertiary);
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.breadcrumb a {
  color: var(--text-tertiary);
}

.breadcrumb a:hover {
  color: var(--text-primary);
}

.breadcrumb-current {
  color: var(--text-primary);
  font-weight: 600;
}

.article-title {
  font-size: 2.4rem;
  margin: 0.6rem 0;
}

.article-subtitle {
  color: var(--text-secondary);
  margin: 0;
}

.article-content {
  background: var(--surface);
  border-radius: 18px;
  border: 1px solid var(--border);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.article-content h2 {
  font-size: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 0.8rem;
}

.article-content h3 {
  font-size: 1.2rem;
  margin-top: 1.5rem;
  margin-bottom: 0.6rem;
}

.article-content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.article-content ul,
.article-content ol {
  padding-left: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.article-content code {
  font-family: "SF Mono", "Fira Code", Consolas, monospace;
}

.article-content pre {
  background: #f5f5f7;
  padding: 1.2rem;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  overflow-x: auto;
  margin: 1.5rem 0;
}

.article-content :not(pre) > code {
  background: rgba(14, 165, 160, 0.12);
  color: var(--accent-strong);
  padding: 0.15em 0.4em;
  border-radius: 6px;
}

.article-content blockquote {
  border-left: 4px solid var(--accent);
  padding-left: 1.2rem;
  margin: 1.2rem 0;
  color: var(--text-secondary);
  background: rgba(14, 165, 160, 0.08);
  border-radius: 0 10px 10px 0;
  padding: 0.8rem 1.2rem;
}

.site-footer {
  padding: 2rem 0;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(248, 244, 239, 0.9);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--text-tertiary);
  font-weight: 600;
}

@media (max-width: 768px) {
  .article-content {
    padding: 1.4rem;
  }

  .list-header h1 {
    font-size: 2.1rem;
  }
}