:root {
  --orange: #ff6a00;
  --navy: #0b1f3a;
  --navy-light: #16305a;
  --paper: #f7f5f0;
  --ink: #1a1a1a;
  --muted: #6b7280;
  --border: #e6e2d8;
}

* { box-sizing: border-box; }

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

a { color: var(--orange); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  background: var(--navy);
  color: #fff;
  padding: 28px 20px;
  border-bottom: 4px solid var(--orange);
}

.site-header .wrap {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.site-header h1 {
  margin: 0;
  font-size: 1.7rem;
  letter-spacing: -0.02em;
}

.site-header h1 a { color: #fff; }
.site-header h1 a:hover { text-decoration: none; opacity: 0.9; }

.site-header .tagline {
  color: #b8c4d9;
  font-size: 0.9rem;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.article-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px 24px;
  margin-bottom: 18px;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.article-card:hover {
  box-shadow: 0 6px 18px rgba(11, 31, 58, 0.08);
  transform: translateY(-1px);
}

.article-card h2 {
  margin: 0 0 6px;
  font-size: 1.3rem;
}

.article-card h2 a { color: var(--ink); }
.article-card h2 a:hover { color: var(--orange); text-decoration: none; }

.meta {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 10px;
}

.excerpt { color: #333; }

.read-more {
  display: inline-block;
  margin-top: 10px;
  font-weight: 600;
  font-size: 0.9rem;
}

.article-full h1 {
  font-size: 2rem;
  margin-bottom: 4px;
  color: var(--navy);
}

.article-full .meta { margin-bottom: 28px; }

.article-full h2 { color: var(--navy); margin-top: 32px; }
.article-full h3 { color: var(--navy-light); }

.article-full blockquote {
  border-left: 4px solid var(--orange);
  margin: 20px 0;
  padding: 4px 20px;
  color: #444;
  background: #fff6ef;
  border-radius: 0 6px 6px 0;
}

.article-full pre {
  background: var(--navy);
  color: #e8edf5;
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
}

.article-full code {
  background: #eee;
  padding: 2px 5px;
  border-radius: 4px;
  font-size: 0.9em;
}

.article-full pre code { background: none; padding: 0; }

.article-full hr {
  border: none;
  border-top: 2px solid var(--border);
  margin: 32px 0;
}

.back-link { display: inline-block; margin-bottom: 20px; font-weight: 600; }

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 60px 20px;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 20px;
}

/* ---------- Admin ---------- */

.admin-wrap {
  max-width: 720px;
  margin: 40px auto;
  padding: 0 20px 60px;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 10px;
}

.admin-header h1 { margin: 0; color: var(--navy); font-size: 1.5rem; }

.btn {
  display: inline-block;
  background: var(--orange);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.95rem;
}

.btn:hover { opacity: 0.92; text-decoration: none; }
.btn-secondary { background: var(--navy); }
.btn-danger { background: #b91c1c; }

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 20px;
}

.form-row { margin-bottom: 16px; }

label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.9rem;
  color: var(--navy);
}

input[type=text], input[type=password], input[type=date], textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: inherit;
}

textarea { resize: vertical; min-height: 260px; font-family: "SF Mono", Consolas, Menlo, monospace; font-size: 0.9rem; }

.admin-list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  gap: 10px;
  flex-wrap: wrap;
}

.admin-list-item:last-child { border-bottom: none; }

.admin-list-item .title { font-weight: 600; }
.admin-list-item .date { color: var(--muted); font-size: 0.85rem; }

.actions a, .actions button {
  font-size: 0.85rem;
  margin-left: 10px;
}

.flash {
  background: #ecfdf3;
  border: 1px solid #bbf7d0;
  color: #166534;
  padding: 10px 16px;
  border-radius: 6px;
  margin-bottom: 18px;
  font-size: 0.9rem;
}

.flash-error {
  background: #fef2f2;
  border-color: #fecaca;
  color: #991b1b;
}

.login-box {
  max-width: 360px;
  margin: 100px auto;
  padding: 0 20px;
}

.hint { color: var(--muted); font-size: 0.8rem; margin-top: 6px; }