* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #131314;
  color: #e3e3e3;
  font-family: -apple-system, BlinkMacSystemFont, "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  line-height: 1.75;
}

a {
  color: #8ab4f8;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

.site-nav {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 24px;
  background: #1e1f22;
  border-bottom: 1px solid #3c4043;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  font-size: 20px;
  font-weight: 900;
  color: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 14px;
  font-weight: 700;
}

.app-link {
  background: #8ab4f8;
  color: #131314;
  padding: 8px 14px;
  border-radius: 8px;
}

.page {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

.hero {
  padding: 38px 0 26px;
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin: 36px 0 12px;
  font-size: 24px;
}

h3 {
  margin: 24px 0 8px;
  font-size: 18px;
}

p, li {
  color: #b8b8b8;
}

.lead {
  max-width: 760px;
  color: #cfcfcf;
  font-size: 18px;
}

.panel {
  background: #1e1f22;
  border: 1px solid #3c4043;
  border-radius: 8px;
  padding: 22px;
  margin: 18px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.muted {
  color: #a0a0a0;
  font-size: 14px;
}

.ad-note {
  border-top: 1px solid #3c4043;
  border-bottom: 1px solid #3c4043;
  padding: 14px 0;
  margin: 28px 0;
  color: #a0a0a0;
  font-size: 13px;
}

.blog-admin-head,
.blog-editor-actions,
.admin-post-row,
.admin-row-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.blog-admin-head {
  margin-bottom: 16px;
}

.blog-admin-head h2 {
  margin-top: 0;
}

.blog-admin-actions,
.admin-row-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.blog-editor {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.blog-editor[hidden],
.admin-posts[hidden] {
  display: none;
}

.blog-editor label {
  display: grid;
  gap: 7px;
  color: #e3e3e3;
  font-size: 13px;
  font-weight: 800;
}

.blog-editor input,
.blog-editor textarea,
.blog-editor select {
  width: 100%;
  border: 1px solid #3c4043;
  border-radius: 8px;
  background: #131314;
  color: #e3e3e3;
  padding: 11px 12px;
  font: inherit;
  outline: none;
}

.blog-editor textarea {
  resize: vertical;
  min-height: 220px;
}

.blog-editor input:focus,
.blog-editor textarea:focus,
.blog-editor select:focus {
  border-color: #8ab4f8;
}

.ghost-btn {
  border: 1px solid #3c4043;
  background: #282a2d;
  color: #e3e3e3;
  border-radius: 8px;
  padding: 9px 13px;
  font-weight: 800;
  cursor: pointer;
}

.ghost-btn:hover {
  background: #3a3b40;
}

.danger-btn {
  color: #f87171;
}

.blog-list {
  display: grid;
  gap: 18px;
}

.blog-post h2 {
  margin-top: 0;
}

.blog-meta {
  color: #a0a0a0;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 8px;
}

.blog-summary {
  font-size: 16px;
  margin-bottom: 14px;
}

.blog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 12px 0 18px;
}

.blog-tag {
  border: 1px solid rgba(138, 180, 248, .35);
  border-radius: 999px;
  color: #8ab4f8;
  padding: 4px 9px;
  font-size: 12px;
  font-weight: 800;
}

.blog-body p {
  margin: 0 0 12px;
}

.admin-posts {
  display: grid;
  gap: 10px;
  border-top: 1px solid #3c4043;
  margin-top: 18px;
  padding-top: 18px;
}

.admin-post-row {
  border: 1px solid #3c4043;
  border-radius: 8px;
  padding: 12px;
  background: #131314;
}

footer {
  margin-top: auto;
  padding: 28px 24px;
  border-top: 1px solid #3c4043;
  background: #1e1f22;
  color: #a0a0a0;
  font-size: 13px;
  text-align: center;
}

@media (max-width: 720px) {
  .site-nav {
    height: auto;
    min-height: 64px;
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 16px;
  }

  .nav-links {
    gap: 10px;
  }

  .blog-admin-head,
  .blog-editor-actions,
  .admin-post-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .blog-admin-actions,
  .admin-row-actions {
    width: 100%;
    justify-content: flex-start;
  }
}