/* Admin blog panel — responsive, mobile-first */
.admin-body {
  background: var(--bg-light-alt);
}
.admin-header {
  background: var(--primary-burgundy);
  color: var(--text-light);
  padding: 12px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.admin-header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
}
.admin-logo {
  font-weight: 900;
  font-size: 22px;
  color: var(--accent-gold);
}
.admin-title {
  flex: 1;
  font-weight: 700;
  font-size: 16px;
}
.admin-user {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}
.admin-avatar-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--accent-gold);
}
.btn-sm { padding: 6px 14px; font-size: 13px; }

.admin-main {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding-top: 24px;
  padding-bottom: 80px;
  min-height: 80vh;
  /* Grid child cần min-width:0 để co theo viewport (bảng rộng không tràn) */
  min-width: 0;
}

.admin-sidebar {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.admin-nav-btn {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius-sm);
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
  color: var(--text-dark);
  font-family: var(--font-sans);
}
.admin-nav-btn:hover {
  border-color: var(--primary-burgundy);
}
.admin-nav-btn.active {
  background: var(--primary-burgundy);
  color: #fff;
  border-color: var(--primary-burgundy);
}

.admin-view { display: none; }
.admin-view.active { display: block; min-width: 0; }

.admin-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius-md);
  padding: 32px;
  margin-bottom: 24px;
  /* Grid/flex child không tự co (min-width:auto) → bảng rộng làm tràn mobile.
     min-width:0 cho phép card co theo container, bảng cuộn trong wrap. */
  min-width: 0;
}
.admin-card h2 {
  font-size: 22px;
  color: var(--primary-burgundy);
  margin-bottom: 24px;
}
.admin-card h3 {
  font-size: 16px;
  color: var(--primary-burgundy);
  margin-bottom: 16px;
}

/* Form elements */
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.form-group label small {
  font-weight: 400;
  color: var(--text-muted-light);
  font-size: 12px;
}
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-sans);
  font-size: 15px;
  transition: var(--transition-fast);
  background: #fff;
  color: var(--text-dark);
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px rgba(212,175,55,0.15);
  outline: none;
}
.form-textarea {
  min-height: 300px;
  resize: vertical;
  font-family: 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.6;
}
.form-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.form-msg {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: var(--border-radius-sm);
  font-size: 14px;
}
.form-msg.success { background: #d4edda; color: #155724; }
.form-msg.error { background: #f8d7da; color: #721c24; }
.form-msg.hidden { display: none; }

/* Blog preview */
.blog-preview {
  max-width: 800px;
  font-size: 16px;
  line-height: 1.8;
}
.blog-preview h1 { font-size: 28px; color: var(--primary-burgundy); margin: 24px 0 12px; }
.blog-preview h2 { font-size: 22px; color: var(--primary-burgundy); margin: 20px 0 10px; }
.blog-preview h3 { font-size: 18px; color: var(--primary-burgundy); margin: 16px 0 8px; }
.blog-preview p { margin-bottom: 14px; }
.blog-preview ul, .blog-preview ol { margin: 10px 0 14px 24px; }
.blog-preview li { margin-bottom: 4px; }
.blog-preview blockquote {
  border-left: 4px solid var(--accent-gold);
  background: var(--bg-light-alt);
  padding: 12px 16px;
  margin: 16px 0;
  border-radius: 0 8px 8px 0;
}

/* Post list in admin */
.post-list-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
  gap: 8px;
}
.post-list-item:last-child { border-bottom: none; }
.post-list-info { flex: 1; min-width: 200px; }
.post-list-title {
  font-weight: 700;
  font-size: 15px;
  color: var(--text-dark);
  word-break: break-word;
}
.post-list-meta {
  font-size: 12px;
  color: var(--text-muted-light);
  margin-top: 2px;
}
.post-list-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}
.post-list-actions button {
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid var(--border-light);
  cursor: pointer;
  background: #fff;
  font-family: var(--font-sans);
  transition: var(--transition-fast);
  white-space: nowrap;
}
.post-list-actions .edit-btn { border-color: var(--primary-burgundy); color: var(--primary-burgundy); }
.post-list-actions .edit-btn:hover { background: var(--primary-burgundy); color: #fff; }
.post-list-actions .delete-btn { border-color: #c0392b; color: #c0392b; }
.post-list-actions .delete-btn:hover { background: #c0392b; color: #fff; }

/* Responsive */
@media (max-width: 768px) {
  .admin-main {
    grid-template-columns: 1fr;
  }
  .admin-sidebar {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 8px;
  }
  .admin-nav-btn {
    white-space: nowrap;
    flex-shrink: 0;
  }
  .admin-card {
    padding: 20px;
  }
  .form-textarea {
    min-height: 200px;
  }
}