* { box-sizing: border-box; }
body {
  margin: 0;
  background: #eef1ea;
  color: #131313;
  font-family: "Yu Gothic", "Hiragino Sans", sans-serif;
}

.login-wrap {
  max-width: 360px;
  margin: 80px auto;
  background: #fff;
  border: 1px solid #d4e2cb;
  border-top: 3px solid #367714;
  border-radius: 3px;
  padding: 30px;
}
.login-wrap h1 {
  font-size: 1.2rem;
  color: #367714;
  text-align: center;
  margin: 0 0 24px;
}
.login-wrap label { display: block; margin-bottom: 6px; font-size: .9rem; }
.login-wrap input[type="text"],
.login-wrap input[type="password"] {
  width: 100%;
  padding: 8px 10px;
  margin-bottom: 16px;
  border: 1px solid #d4e2cb;
  border-radius: 3px;
  box-sizing: border-box;
}
.login-wrap button {
  width: 100%;
  padding: 10px;
  background: #367714;
  color: #fff;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  font-size: 1rem;
}
.login-wrap button:hover { background: #264f0e; }

.error-msg {
  color: #c0392b;
  font-size: .85rem;
  text-align: center;
  max-width: 800px;
  margin: 16px auto;
}

.admin-wrap { max-width: 900px; margin: 0 auto; padding: 24px 20px 60px; }
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.admin-header h1 { font-size: 1.4rem; color: #367714; margin: 0; }
.logout-link { color: #367714; font-size: .9rem; }

.drop-zone {
  border: 2px dashed #6fae3c;
  border-radius: 8px;
  background: #fff;
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  color: #555;
  margin-bottom: 32px;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.drop-zone.dragover {
  background: #eef5ea;
  border-color: #264f0e;
}

.page-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.page-card {
  background: #fff;
  border: 1px solid #d4e2cb;
  border-radius: 6px;
  overflow: hidden;
  transition: box-shadow 0.15s ease;
}
.page-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.page-card a { color: inherit; text-decoration: none; display: block; }
.preview-frame-wrap {
  width: 100%;
  height: 140px;
  overflow: hidden;
  position: relative;
  background: #f5f5f5;
}
.preview-frame {
  width: 400%;
  height: 400%;
  transform: scale(0.25);
  transform-origin: 0 0;
  border: none;
  pointer-events: none;
}
.page-name {
  font-size: .85rem;
  padding: 8px 10px;
  margin: 0;
  border-top: 1px solid #d4e2cb;
  word-break: break-all;
}
.empty-note { color: #888; }