/* ===========================================
   Form Styles - ReamMeister Drawing App
   =========================================== */

/* ===========================================
   Fieldset
   =========================================== */

.fieldset {
  padding: var(--spacing-4);
  margin-bottom: var(--spacing-4);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.fieldset__legend {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-800);
  padding: 0 var(--spacing-2);
}

.fieldset__optional-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-normal);
  color: var(--color-gray-500);
}

.fieldset--optional {
  background-color: var(--color-gray-50);
  border-style: dashed;
}

/* ===========================================
   Tool Detail Section Grid Layout
   =========================================== */

#toolDetailSection {
  display: block;
}

#toolDetailSection > .form-group,
#toolDetailSection > div:not(.form-group) {
  margin-bottom: var(--spacing-4);
}

/* 工具詳細情報のグリッドコンテナ */
.tool-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-3) var(--spacing-4);
}

/* tool-detail-grid内のform-groupはmargin-bottom不要 */
.tool-detail-grid > .form-group {
  margin-bottom: 0;
}

/* 画像を含む項目は1列全体に */
.tool-detail-grid .form-group--full {
  grid-column: 1 / -1;
}

@media (max-width: 768px) {
  .tool-detail-grid {
    grid-template-columns: 1fr;
  }
  
  .tool-detail-grid .form-group--full {
    grid-column: 1;
  }
}

/* ===========================================
   Form Group
   =========================================== */

.form-group {
  margin-bottom: var(--spacing-4);
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-1);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
}

/* ===========================================
   Form Input
   =========================================== */

.form-input {
  width: 100%;
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-sm);
  color: var(--color-gray-900);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input:disabled {
  background-color: var(--color-gray-100);
  cursor: not-allowed;
}

.form-input[readonly] {
  background-color: var(--color-gray-100);
  cursor: not-allowed;
}

.form-input::placeholder {
  color: var(--color-gray-400);
}

.form-input--tolerance {
  width: 120px;
}

.form-input--custom {
  width: 80px;
  margin-left: var(--spacing-2);
}

/* ===========================================
   Form Input Group
   =========================================== */

.form-input-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.form-input-group .form-input {
  flex: 1;
}

.form-unit {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  white-space: nowrap;
}

/* ===========================================
   Form Select
   =========================================== */

.form-select {
  width: 100%;
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-sm);
  color: var(--color-gray-900);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-3) center;
  padding-right: var(--spacing-8);
}

.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-select--sign {
  width: 60px;
  flex-shrink: 0;
  padding-right: var(--spacing-6);
}

/* ===========================================
   Form Radio
   =========================================== */

.form-radio-group {
  display: flex;
  gap: var(--spacing-4);
}

.form-radio {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  cursor: pointer;
}

.form-radio input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-radio span {
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
}

/* ===========================================
   Form Radio (Inline variant)
   =========================================== */

.form-radio-group--inline {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2) var(--spacing-3);
}

.form-radio-group--wrap {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-1) var(--spacing-2);
}

.form-radio-group--wrap .form-radio span {
  font-size: var(--font-size-xs);
}

/* 無効化されたラジオボタン */
.form-radio.disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.form-radio.disabled input[type="radio"] {
  cursor: not-allowed;
}

.form-radio.disabled span {
  color: var(--color-gray-400);
}

/* ===========================================
   Edge visuals
   =========================================== */

.edge-visuals {
  display: flex;
  gap: var(--spacing-2);
  margin-top: var(--spacing-2);
  flex-wrap: wrap;
}

.edge-visual {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  align-items: flex-start;
}

.edge-visual__img {
  width: 100px;
  height: auto;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
}

.edge-visual__label {
  font-size: var(--font-size-xs);
  color: var(--color-gray-600);
}

/* ===========================================
   Flute visuals
   =========================================== */

.flute-visuals {
  display: flex;
  gap: var(--spacing-2);
  margin-top: var(--spacing-2);
  flex-wrap: wrap;
}

.flute-visual {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  align-items: flex-start;
}

.flute-visual__img {
  width: 70px;
  height: 70px;
  object-fit: contain;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  background-color: var(--color-white);
}

.flute-visual__label {
  font-size: var(--font-size-xs);
  color: var(--color-gray-600);
}

/* ===========================================
   Form Hint
   =========================================== */

.form-hint {
  display: block;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

/* ===========================================
   Form Error
   =========================================== */

.form-error {
  display: block;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-xs);
  color: var(--color-error);
  min-height: 1em;
}

.form-input.is-invalid,
.form-select.is-invalid {
  border-color: var(--color-error);
}

.form-input.is-invalid:focus,
.form-select.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

/* ===========================================
   Tolerance Group
   =========================================== */

.tolerance-group {
  display: flex;
  align-items: center;
}

.tolerance-group .form-select--sign {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: none;
}

.tolerance-group .form-input--tolerance {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

/* ===========================================
   Material Info Row
   =========================================== */

.material-info-row {
  display: flex;
  gap: var(--spacing-4);
  align-items: flex-start;
}

.material-code-group {
  flex: 0 0 200px;
}

.material-name-group {
  flex: 1;
  min-width: 0;
}

@media (max-width: 768px) {
  .material-info-row {
    flex-direction: column;
  }
  
  .material-code-group {
    flex: 1;
    width: 100%;
  }
}

/* ===========================================
   Hole Type Image
   =========================================== */

.hole-info-layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--spacing-4);
  align-items: start;
}

.hole-info-inputs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-3) var(--spacing-4);
  min-width: 0;
}

/* hole-info-inputs内のform-groupはmargin-bottom不要 */
.hole-info-inputs > .form-group {
  margin-bottom: 0;
}

/* 穴タイプは1列全体に */
.hole-info-inputs > .form-group:first-child {
  grid-column: 1 / -1;
}

/* 公差入力モードは1列全体に */
.hole-info-inputs > .form-group:nth-child(3) {
  grid-column: 1 / -1;
}

/* はめあい公差グループは1列全体に */
#fitToleranceGroup {
  grid-column: 1 / -1;
}

.hole-info-image {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
  max-width: 280px;
}

.hole-type-image {
  max-width: 100%;
  max-height: 250px;
  height: auto;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

/* モバイル対応：狭い画面では縦並び */
@media (max-width: 768px) {
  .hole-info-layout {
    grid-template-columns: 1fr;
  }
  
  .hole-info-inputs {
    grid-template-columns: 1fr;
  }
  
  .hole-info-inputs > .form-group:first-child,
  .hole-info-inputs > .form-group:nth-child(3),
  #fitToleranceGroup {
    grid-column: 1;
  }
  
  .hole-info-image {
    width: 100%;
    max-width: 100%;
    padding: 0;
    justify-content: flex-start;
  }
  
  .hole-type-image {
    max-width: 200px;
    max-height: 180px;
  }
}

/* ===========================================
   Tolerance Chart
   =========================================== */

.tolerance-chart-area {
  margin-top: var(--spacing-4);
  padding: var(--spacing-4);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
}

.tolerance-chart__header {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-3);
  padding-bottom: var(--spacing-2);
  border-bottom: 1px solid var(--color-gray-200);
}

.tolerance-chart__content {
  display: flex;
  gap: var(--spacing-4);
  align-items: flex-start;
}

#toleranceChartCanvas {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
}

.tolerance-chart__controls {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  min-width: 200px;
}

.tolerance-chart__slider-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.tolerance-chart__slider-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
}

.tolerance-chart__slider {
  width: 100%;
  height: 8px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--color-gray-200);
  border-radius: 4px;
  outline: none;
  cursor: pointer;
}

.tolerance-chart__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.2s;
}

.tolerance-chart__slider::-webkit-slider-thumb:hover {
  background: var(--color-primary-dark);
}

.tolerance-chart__slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

.tolerance-chart__values {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  padding: var(--spacing-3);
  background-color: var(--color-gray-50);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
}

.tolerance-chart__values span {
  color: var(--color-gray-700);
}

.tolerance-chart__actions {
  display: flex;
  gap: var(--spacing-2);
  justify-content: flex-end;
}

.tolerance-chart__message {
  margin-top: var(--spacing-2);
  padding: var(--spacing-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.tolerance-chart__message--error {
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
}

.tolerance-chart__message--warning {
  background-color: #fffbeb;
  border: 1px solid #fde68a;
  color: #d97706;
}

/* モバイル対応 */
@media (max-width: 768px) {
  .tolerance-chart__content {
    flex-direction: column;
  }
  
  #toleranceChartCanvas {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
  }
  
  .tolerance-chart__controls {
    width: 100%;
  }
}

/* ===========================================
   Responsive - Form Elements (480px以下)
   =========================================== */

@media (max-width: 480px) {
  .edge-visuals {
    flex-direction: column;
    align-items: center;
  }
  
  .edge-visual__img {
    width: 140px;
  }
  
  .flute-visuals {
    flex-direction: column;
    align-items: center;
  }
  
  .flute-visual__img {
    width: 100px;
    height: 100px;
  }
  
  .tolerance-chart-area {
    padding: var(--spacing-3);
  }
  
  .tolerance-chart__content {
    flex-direction: column;
  }
  
  #toleranceChartCanvas {
    width: 100%;
    max-width: 100%;
    height: auto;
  }
  
  .tolerance-chart__controls {
    width: 100%;
  }
  
  .tolerance-chart__actions {
    flex-direction: column;
  }
  
  .tolerance-chart__actions .btn {
    width: 100%;
  }
  
  .form-select--sign {
    width: 50px;
    padding-right: var(--spacing-4);
  }
}