/* -------------------------------------------------------
 * ボタン
 * ------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s, box-shadow 0.15s, transform 0.1s;
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--color-blue);
  color: #fff;
  padding: 12px 24px;
  font-size: 15px;
}
.btn-primary:hover {
  background: var(--color-blue-hover);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37,99,235,0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-strong);
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 500;
}
.btn-secondary:hover {
  background: var(--color-bg-section);
  color: var(--color-text-primary);
}

.btn-danger {
  background: var(--color-error);
  color: #fff;
  padding: 10px 20px;
  font-size: 14px;
}
.btn-danger:hover { background: #DC2626; color: #fff; }

/* サイズ修飾子 */
.btn-sm   { padding: 8px 16px; font-size: 13px; }
.btn-lg   { padding: 16px 32px; font-size: 17px; }
.btn-full { width: 100%; }

.btn-outline {
  background: transparent;
  color: var(--color-blue);
  border: 1.5px solid var(--color-blue);
  padding: 12px 24px;
  font-size: 15px;
}
.btn-outline:hover {
  background: var(--color-blue-light);
  color: var(--color-blue);
}

/* -------------------------------------------------------
 * カード
 * ------------------------------------------------------- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}
.card-hover {
  transition: box-shadow 0.2s, transform 0.2s;
}
.card-hover:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* -------------------------------------------------------
 * バッジ
 * ------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
}

.badge-published { background: var(--color-success-light); color: #065F46; }
.badge-preview   { background: var(--color-preview-light); color: #5B21B6; }
.badge-draft     { background: var(--color-bg-section);    color: var(--color-text-secondary); }
.badge-free      { background: var(--color-warning-light); color: #92400E; }
.badge-paid      { background: var(--color-blue-light);    color: #1E40AF; }
.badge-internal  { background: var(--color-cyan-light);    color: #0E7490; }
.badge-error     { background: var(--color-error-light);   color: #991B1B; }
.badge-press     { background: #F3F4F6; color: #374151; }
.badge-lp        { background: var(--color-blue-light);    color: #1E40AF; }
.badge-ad        { background: #F0FDF4; color: #166534; }

/* -------------------------------------------------------
 * フォーム
 * ------------------------------------------------------- */
.form-group { margin-bottom: var(--space-lg); }

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}
.form-label .required {
  color: var(--color-error);
  margin-left: 4px;
  font-size: 12px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  background: var(--color-bg-card);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
  box-sizing: border-box;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-muted); }
.form-textarea {
  min-height: 160px;
  resize: vertical;
  line-height: 1.7;
}
.form-hint  { font-size: 13px; color: var(--color-text-muted); margin-top: 4px; }
.form-error { font-size: 13px; color: var(--color-error);      margin-top: 4px; }

/* チェックボックス */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 14px;
  color: var(--color-text-primary);
  cursor: pointer;
}
.form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: var(--color-blue);
  flex-shrink: 0;
}

/* ラジオ */
.form-radio-group {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}
.form-radio {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 15px;
  cursor: pointer;
}
.form-radio input[type="radio"] {
  accent-color: var(--color-blue);
  width: 16px;
  height: 16px;
}

/* タグ入力（SEOキーワード） */
.tag-input-container {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  min-height: 46px;
  cursor: text;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.tag-input-container:focus-within {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}
.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--color-blue-light);
  color: var(--color-blue);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
}
.tag-item-remove {
  cursor: pointer;
  opacity: 0.6;
  font-size: 14px;
  line-height: 1;
}
.tag-item-remove:hover { opacity: 1; }
.tag-input-field {
  border: none;
  outline: none;
  font-size: 14px;
  font-family: var(--font-sans);
  flex: 1;
  min-width: 80px;
  background: transparent;
}

/* -------------------------------------------------------
 * テーブル
 * ------------------------------------------------------- */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
}

table.table,
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.table thead th,
.data-table thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--color-bg-section);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.table tbody tr,
.data-table tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: background 0.1s;
}
.table tbody tr:last-child,
.data-table tbody tr:last-child { border-bottom: none; }
.table tbody tr:hover,
.data-table tbody tr:hover { background: var(--color-bg-section); }
.table tbody td,
.data-table tbody td {
  padding: 14px 16px;
  color: var(--color-text-primary);
  vertical-align: middle;
}

/* -------------------------------------------------------
 * アラート
 * ------------------------------------------------------- */
.alert {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: var(--space-md);
}
.alert-success { background: var(--color-success-light); color: #065F46; border-left: 3px solid var(--color-success); }
.alert-warning { background: var(--color-warning-light); color: #92400E; border-left: 3px solid var(--color-warning); }
.alert-error   { background: var(--color-error-light);   color: #991B1B; border-left: 3px solid var(--color-error); }
.alert-info    { background: var(--color-blue-light);    color: #1E40AF; border-left: 3px solid var(--color-blue); }

/* -------------------------------------------------------
 * ステップインジケーター（有料登録フォーム）
 * ------------------------------------------------------- */
.step-indicator {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: var(--space-2xl);
}
.step-item {
  display: flex;
  align-items: center;
  flex: 1;
}
.step-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
  background: var(--color-border);
  color: var(--color-text-muted);
}
.step-circle.active   { background: var(--color-blue);    color: #fff; }
.step-circle.done     { background: var(--color-success);  color: #fff; }
.step-label {
  margin-left: var(--space-sm);
  font-size: 13px;
  color: var(--color-text-secondary);
  white-space: nowrap;
}
.step-label.active { color: var(--color-blue); font-weight: 600; }
.step-line {
  flex: 1;
  height: 1px;
  background: var(--color-border);
  margin: 0 var(--space-sm);
}

/* -------------------------------------------------------
 * ページネーション
 * ------------------------------------------------------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  margin-top: var(--space-2xl);
}
.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  transition: background 0.15s;
}
.pagination a:hover    { background: var(--color-bg-section); color: var(--color-text-primary); }
.pagination .current   { background: var(--color-blue); color: #fff; border-color: var(--color-blue); }
.pagination .dots      { border: none; cursor: default; }

/* -------------------------------------------------------
 * メトリックカード（マイページ・管理画面）
 * ------------------------------------------------------- */
.metric-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}
.metric-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}
.metric-value {
  font-family: var(--font-numeric);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1;
}
.metric-unit {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-secondary);
  margin-left: 4px;
}

/* -------------------------------------------------------
 * 画像アップロード
 * ------------------------------------------------------- */
.image-upload-area {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.image-upload-area:hover,
.image-upload-area.drag-over {
  border-color: var(--color-blue);
  background: var(--color-blue-light);
}
.image-upload-area p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
}
.image-preview-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-md);
}
.image-preview-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.image-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.image-preview-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  background: rgba(0,0,0,0.6);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}