:root {
  --black: #111111;
  --white: #ffffff;
  --gray: #6b6b6b;
  --light-gray: #e5e5e5;
  --bg: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  color: var(--black);
  background: var(--bg);
  line-height: 1.6;
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Header / Nav ---- */
.site-header {
  border-bottom: 1px solid var(--black);
  padding: 22px 0;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--black);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.main-nav a {
  color: var(--black);
  text-decoration: none;
  margin-left: 24px;
  font-size: 15px;
  border-bottom: 1px solid transparent;
}

.main-nav a:first-child { margin-left: 0; }

.main-nav a:hover {
  border-bottom: 1px solid var(--black);
}

/* ---- Content ---- */
.content {
  padding: 56px 24px 72px;
  min-height: 50vh;
}

.content h1 {
  font-size: 34px;
  margin: 0 0 24px;
  letter-spacing: -0.01em;
}

.content h2 { font-size: 24px; margin-top: 40px; }

.content p { margin: 0 0 16px; color: #222; }

.content ul, .content ol { margin: 0 0 16px; padding-left: 22px; }

.content a { color: var(--black); }

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--light-gray);
  padding: 24px 0;
  color: var(--gray);
  font-size: 13px;
}

/* ---- Admin ---- */
.admin-body {
  background: #f7f7f7;
}

.login-box {
  max-width: 360px;
  margin: 90px auto;
  background: var(--white);
  border: 1px solid var(--light-gray);
  padding: 36px;
}

.login-box h1 { font-size: 20px; margin-top: 0; }

.admin-wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.admin-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 12px;
}

.admin-topbar h1 { font-size: 22px; margin: 0; }

label {
  display: block;
  font-size: 13px;
  color: var(--gray);
  margin: 18px 0 6px;
}

input[type="text"],
input[type="number"],
input[type="password"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #c9c9c9;
  font-size: 15px;
  font-family: inherit;
}

.checkboxes {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--black);
  margin: 0;
}

#editor {
  background: var(--white);
  min-height: 260px;
}

.btn {
  display: inline-block;
  background: var(--black);
  color: var(--white);
  border: 1px solid var(--black);
  padding: 10px 18px;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
  margin-top: 20px;
}

.btn-outline {
  background: var(--white);
  color: var(--black);
}

.link-btn {
  background: none;
  border: none;
  color: var(--black);
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
  font-size: 14px;
}

.back-link { margin-top: 16px; font-size: 14px; }
.back-link a { color: var(--gray); }

.error {
  background: #fdeaea;
  border: 1px solid #d33;
  color: #a30000;
  padding: 10px 14px;
  font-size: 14px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  background: var(--white);
}

.admin-table th, .admin-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--light-gray);
  font-size: 14px;
}

.admin-table th {
  color: var(--gray);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.row-actions a {
  color: var(--black);
  margin-right: 14px;
  font-size: 13px;
}

@media (max-width: 600px) {
  .main-nav a { margin-left: 14px; font-size: 14px; }
  .content { padding: 36px 16px 56px; }
  .content h1 { font-size: 26px; }
}