:root {
  --bg: #0b0e1a;
  --panel: #12162a;
  --panel-2: #171c34;
  --border: #262c4a;
  --text: #eef0f8;
  --muted: #9aa0c0;
  --blue: #2b4bff;
  --violet: #8b5cf6;
  --danger: #ef4444;
  --ok: #22c55e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;
}

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

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

.sidebar {
  width: 220px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar .brand {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.sidebar a {
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
}
.sidebar a:hover { background: var(--panel-2); text-decoration: none; }
.sidebar a.active { background: var(--blue); color: white; }
.sidebar a.logout { margin-top: auto; color: var(--muted); }

.content { flex: 1; padding: 32px 40px; max-width: 900px; }

h1 { margin-top: 0; }

.meta { color: var(--muted); font-size: 0.9rem; }

.list { width: 100%; border-collapse: collapse; margin-top: 16px; }
.list th, .list td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.list th { color: var(--muted); font-weight: 500; font-size: 0.85rem; }
.empty { color: var(--muted); text-align: center; padding: 24px; }

.badge {
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  background: var(--panel-2);
}
.badge-draft { color: var(--muted); }
.badge-approved { color: var(--blue); }
.badge-published { color: var(--ok); }
.badge-rejected { color: var(--danger); }

.posts { display: flex; gap: 20px; margin: 20px 0; flex-wrap: wrap; }
.post-card {
  flex: 1;
  min-width: 260px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}
.post-card h2 { margin-top: 0; font-size: 1rem; color: var(--muted); }
.post-card pre {
  white-space: pre-wrap;
  font-family: inherit;
  line-height: 1.7;
  margin: 0;
}

.preview-image {
  max-width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  margin: 16px 0;
}

.actions { margin: 24px 0; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
button {
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 0.95rem;
  cursor: pointer;
}
button.primary { background: var(--blue); color: white; }
button.danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.done { color: var(--ok); }

.back { display: inline-block; margin-bottom: 16px; color: var(--muted); }

.error { background: rgba(239,68,68,0.12); border: 1px solid var(--danger); color: #fca5a5; padding: 12px 16px; border-radius: 8px; margin: 16px 0; }
.ok { background: rgba(34,197,94,0.12); border: 1px solid var(--ok); color: #86efac; padding: 12px 16px; border-radius: 8px; margin: 16px 0; }

textarea {
  width: 100%;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  font-family: ui-monospace, monospace;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.metrics { list-style: none; padding: 0; margin: 0; }
.metrics li { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--border); }

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.login-card h1 { margin: 0; font-size: 1.4rem; }
.login-card .sub { color: var(--muted); margin: 0 0 12px; font-size: 0.85rem; }
.login-card label { font-size: 0.8rem; color: var(--muted); }
.login-card input {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 8px;
}
.login-card button { margin-top: 8px; }