:root {
  --bg: #f3efe6;
  --panel: #fffaf2;
  --panel-strong: #17313e;
  --text: #1d2329;
  --muted: #55616b;
  --accent: #d26a2e;
  --accent-dark: #9d4717;
  --border: #d5c9b7;
  --success: #e1f4d8;
  --success-text: #205b18;
  --shadow: 0 18px 40px rgba(23, 49, 62, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(210, 106, 46, 0.18), transparent 28%),
    linear-gradient(180deg, #f8f4ec 0%, var(--bg) 100%);
}

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

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 28px 6vw;
  border-bottom: 1px solid rgba(23, 49, 62, 0.08);
}

.eyebrow,
.sidebar-label,
.content-tag {
  display: inline-block;
  margin: 0 0 10px;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-dark);
}

.topbar-title {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.topbar-nav {
  display: flex;
  gap: 18px;
  font-family: Arial, sans-serif;
  font-size: 0.95rem;
}

.topbar-nav a {
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}

.topbar-nav a:hover {
  border-color: var(--accent);
}

.page-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 28px;
  padding: 40px 6vw;
  align-items: start;
}

.sidebar,
.content-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.sidebar {
  padding: 28px;
  position: sticky;
  top: 24px;
}

.sidebar h2,
.content-card h2 {
  margin-top: 0;
}

.sidebar p,
.content-card p,
.admin-form label,
.admin-form input,
.admin-form textarea {
  font-family: Arial, sans-serif;
}

.content-card {
  padding: 34px;
}

.content-card p {
  color: var(--muted);
  line-height: 1.7;
}

.form-card {
  max-width: 900px;
}

.admin-form {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.admin-form input,
.admin-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  color: var(--text);
  font-size: 1rem;
}

.admin-form textarea {
  resize: vertical;
}

.action-row {
  display: flex;
  gap: 14px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: none;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-family: Arial, sans-serif;
  font-size: 0.95rem;
  cursor: pointer;
}

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

.button-secondary {
  background: var(--panel-strong);
}

.notice {
  margin-top: 18px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--success);
  color: var(--success-text);
}

.footer {
  padding: 24px 6vw 36px;
  color: var(--muted);
  font-family: Arial, sans-serif;
}

@media (max-width: 860px) {
  .topbar,
  .page-shell {
    padding-left: 20px;
    padding-right: 20px;
  }

  .topbar,
  .page-shell {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }

  .sidebar {
    position: static;
  }
}