/* ============================================
   QRコード生成ツール
   ============================================ */

/* --- Tabs --- */
.qrGen__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.qrGen__tab {
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #374151;
  background-color: #f3f4f6;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.qrGen__tab:hover {
  background-color: #ecfdf5;
  border-color: #a7f3d0;
  color: #059669;
}

.qrGen__tab_state_active {
  background-color: #ecfdf5;
  border-color: #059669;
  color: #059669;
}

/* --- Input Panels --- */
.qrGen__inputPanel {
  display: none;
}

.qrGen__inputPanel_state_active {
  display: block;
}

.qrGen__textarea {
  resize: vertical;
  min-height: 100px;
}

.qrGen__select {
  width: auto !important;
  max-width: 240px;
}

/* --- Options --- */
.qrGen__options {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.qrGen__optionItem {
  flex: 1;
}

/* --- Generate Button --- */
.qrGen__generateBtn {
  width: 100%;
  padding: 14px 24px;
  font-size: 1.0625rem;
  margin-top: 4px;
}

/* --- Error --- */
.qrGen__error {
  color: #dc2626;
  font-size: 0.875rem;
  font-weight: 600;
  margin-top: 12px;
}

/* --- Result Area --- */
.qrGen__result {
  margin-top: 24px;
}

.qrGen__canvasWrap {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px;
  background-color: #ffffff;
  border: 2px solid #a7f3d0;
  border-radius: 12px;
  margin-bottom: 16px;
}

.qrGen__canvas {
  display: block;
  image-rendering: pixelated;
}

/* --- Actions --- */
.qrGen__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.qrGen__downloadBtn {
  flex: 1;
  white-space: nowrap;
}

.qrGen__copyUrlBtn {
  flex: 1;
  white-space: nowrap;
}

/* --- Note --- */
.qrGen__note {
  margin-top: 12px;
  font-size: 0.8125rem;
  color: #6b7280;
  text-align: center;
}

/* --- Responsive (Tablet) --- */
@media (min-width: 640px) {
  .qrGen__tabs {
    gap: 10px;
  }

  .qrGen__tab {
    padding: 10px 20px;
    font-size: 0.9375rem;
  }

  .qrGen__options {
    flex-direction: row;
    gap: 16px;
  }

  .qrGen__generateBtn {
    width: auto;
  }

  .qrGen__actions {
    flex-direction: row;
    gap: 12px;
  }
}

/* --- Responsive (Desktop) --- */
@media (min-width: 960px) {
  .qrGen__canvasWrap {
    padding: 32px;
  }
}