:root {
  color-scheme: light;
  --bg: #f7f8f5;
  --surface: #ffffff;
  --surface-muted: #eef2ed;
  --ink: #1f2528;
  --muted: #687274;
  --line: #dce2dd;
  --accent: #0f6f6a;
  --accent-dark: #094d4a;
  --warm: #c76542;
  --shadow: 0 18px 45px rgba(25, 36, 38, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

button {
  min-height: 42px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  padding: 0.65rem 0.95rem;
  font-weight: 700;
}

button:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

button:disabled {
  cursor: wait;
  opacity: 0.68;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 0.72rem 0.78rem;
}

textarea {
  resize: vertical;
}

label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--ink);
  font-weight: 700;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 68px;
  border-bottom: 1px solid rgba(220, 226, 221, 0.85);
  background: rgba(247, 248, 245, 0.92);
  padding: 0 6vw;
  backdrop-filter: blur(14px);
}

.brand {
  font-size: 1.05rem;
  font-weight: 850;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.nav a,
.ghost-button {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  padding: 0.52rem 0.74rem;
  font-weight: 700;
}

.nav a:hover,
.ghost-button:hover {
  border-color: var(--ink);
  background: var(--surface-muted);
}

.shell,
.admin-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.intro {
  display: grid;
  gap: 0.65rem;
  padding: 5rem 0 2.5rem;
}

.eyebrow {
  margin: 0;
  color: var(--warm);
  font-size: 0.77rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 0;
  font-size: clamp(2rem, 6vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  line-height: 1.15;
}

.status {
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  background: var(--surface);
  margin: 1rem 0;
  padding: 0.9rem 1rem;
  color: var(--muted);
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding: 1rem 0 5rem;
}

.post-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 10px 28px rgba(25, 36, 38, 0.06);
}

.post-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.post-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1rem;
}

.post-card h2 {
  margin: 0;
  font-size: 1.2rem;
}

.post-card p {
  color: var(--muted);
}

.meta {
  color: var(--muted);
  font-size: 0.88rem;
}

.read-link {
  margin-top: auto;
  color: var(--accent-dark);
  font-weight: 850;
}

.post-detail {
  max-width: 780px;
  margin: 0 auto;
  padding: 2rem 0 5rem;
}

.post-content {
  font-size: 1.06rem;
}

.post-content a {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.post-content p {
  white-space: normal;
}

.post-content blockquote {
  border-left: 4px solid var(--warm);
  margin: 1.4rem 0;
  padding: 0.1rem 0 0.1rem 1rem;
  color: var(--muted);
}

.back-link {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--accent-dark);
  font-weight: 850;
}

.admin-top {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  padding: 3rem 0 1.4rem;
}

.admin-top h1 {
  font-size: clamp(2rem, 5vw, 3rem);
}

.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 1rem;
  box-shadow: 0 10px 28px rgba(25, 36, 38, 0.05);
}

.inline-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.65rem;
  align-items: center;
}

.hint {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.editor-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 1rem;
  padding-bottom: 4rem;
}

.editor-form,
.post-manager {
  align-self: start;
}

.form-row {
  margin-bottom: 1rem;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.post-manager h2 {
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.manager-list {
  display: grid;
  gap: 0.7rem;
}

.manager-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem;
}

.manager-item strong {
  display: block;
}

.manager-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.65rem;
}

.manager-actions button {
  min-height: 36px;
  padding: 0.4rem 0.65rem;
}

@media (max-width: 900px) {
  .post-grid,
  .editor-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding: 0 16px;
  }

  .shell,
  .admin-shell {
    width: min(100% - 24px, 1120px);
  }

  .intro {
    padding-top: 3rem;
  }

  .inline-form {
    grid-template-columns: 1fr;
  }

  .admin-top {
    align-items: start;
    flex-direction: column;
  }
}