/* ===== Modern Slide Menu Styles ===== */
:root {
  --bg-primary: #1a1a1a;
  --bg-secondary: rgba(36, 36, 36, 0.55);
  --bg-card: rgba(42, 42, 42, 0.50);
  --bg-hover: rgba(51, 51, 51, 0.60);
  --text-primary: #ffffff;
  --text-secondary: #aaaaaa;
  --text-tertiary: #666666;
  --accent-blue: #2196F3;
  --accent-green: #4CAF50;
  --accent-red: #f44336;
  --border-color: rgba(58, 58, 58, 0.8);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-heavy: 0 4px 20px rgba(0, 0, 0, 0.5);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
}

/* ===== Canvas Container ===== */
#canvas-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

/* 矩形選択オーバーレイ */
#crop-selection-overlay {
  pointer-events: none;
}

#crop-selection-overlay::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1;
}

#crop-selection-rect {
  position: relative;
  z-index: 2;
  border: 3px solid #2196F3 !important;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5),
              0 0 10px rgba(33, 150, 243, 0.8),
              inset 0 0 0 1px rgba(255, 255, 255, 0.8) !important;
}

/* ===== Toggle Button ===== */
.ui-toggle-btn {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1001;
  background: var(--accent-blue);
  border: 2px solid white;
  color: white;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  font-size: 22px;
  cursor: pointer;
  box-shadow: var(--shadow-heavy);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: none;
  align-items: center;
  justify-content: center;
}

.ui-toggle-btn:hover {
  background: #1976D2;
  transform: scale(1.1);
}

body:not(.menu-open) .ui-toggle-btn {
  display: flex !important;
}

/* 全画面モード時はトグルボタンを非表示 */
body.fullscreen-mode .ui-toggle-btn,
body.fullscreen-mode .status-toggle-btn {
  display: none !important;
}

body.fullscreen-mode #ui-container,
body.fullscreen-mode #status-panel {
  display: none !important;
}

/* ===== 右上ステータスパネルのトグルボタン ===== */
.status-toggle-btn {
  position: fixed;
  top: 10px;
  right: 10px;
  z-index: 1001;
  background: var(--accent-blue);
  border: 2px solid white;
  color: white;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  font-size: 18px;
  cursor: pointer;
  box-shadow: var(--shadow-heavy);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: none;
  align-items: center;
  justify-content: center;
}

.status-toggle-btn:hover {
  background: #1976D2;
  transform: scale(1.1);
}

body:not(.status-open) .status-toggle-btn {
  display: flex !important;
}

body.fullscreen-mode .status-toggle-btn {
  display: none !important;
}

/* ===== 右上の状況表示パネル ===== */
#status-panel {
  position: fixed;
  top: 10px;
  right: 10px;
  z-index: 1000;
  background: var(--bg-secondary);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  min-width: 180px;
  max-width: 280px;
  box-shadow: var(--shadow-heavy);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s;
}

#status-panel.status-hidden {
  transform: translateX(120%);
  opacity: 0;
  pointer-events: none;
}

body.status-open #status-panel {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

/* ヒストグラムパネル */
#histogram-panel {
  position: fixed;
  top: 200px; /* JavaScriptで動的に調整 */
  right: 10px;
  z-index: 1000;
  background: var(--bg-secondary);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  min-width: 180px;
  max-width: 280px;
  box-shadow: var(--shadow-heavy);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s;
}

#histogram-panel canvas {
  width: 100%;
  display: block;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: #0a0a0a;
}

.status-close-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 16px;
  cursor: pointer;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s;
}

.status-close-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.status-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
}

.status-row.small {
  font-size: 11px;
}

.status-row.highlight .status-value {
  color: var(--accent-blue);
}

.status-label {
  font-size: 14px;
  flex-shrink: 0;
  width: 18px;
  text-align: center;
}

.status-name {
  font-size: 11px;
  color: var(--text-secondary);
  flex-shrink: 0;
  min-width: 45px;
}

.status-row.small .status-name {
  font-size: 10px;
}

.status-value {
  font-size: 12px;
  color: var(--text-primary);
  word-break: break-all;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  text-align: right;
}

.status-row.small .status-value {
  font-size: 11px;
  color: var(--text-secondary);
}

/* ===== UI Container ===== */
#ui-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 100vh;
  background: var(--bg-secondary);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 4px 0 20px rgba(0, 0, 0, 0.5);
  z-index: 1000;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#ui-container.ui-hidden {
  transform: translateX(-100%);
}

body.menu-open #ui-container {
  transform: translateX(0);
}

/* ===== Menu Panels (Slide System) ===== */
.menu-panels {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.menu-panel {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}

.menu-panel.active {
  transform: translateX(0);
}

.menu-panel.slide-out {
  transform: translateX(-30%);
  opacity: 0.5;
}

/* ===== Menu Header ===== */
.menu-header {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.menu-header h1 {
  font-size: 16px;
  font-weight: 600;
  flex: 1;
  letter-spacing: -0.5px;
}

.menu-header h2 {
  font-size: 14px;
  font-weight: 600;
  flex: 1;
  letter-spacing: -0.5px;
}

.close-btn, .back-btn {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 22px;
  cursor: pointer;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.2s;
  flex-shrink: 0;
}

.back-btn {
  margin-right: 6px;
  font-size: 20px;
}

.close-btn:hover, .back-btn:hover {
  background: var(--bg-hover);
}

/* ===== Menu Content ===== */
.menu-content {
  padding: 10px;
  flex: 1;
  overflow-y: auto;
}

/* ===== 視差調整コントロール（メインメニュー内、1列表示） ===== */
.parallax-controls {
  display: block !important;
  padding: 10px;
  margin-bottom: 10px;
  width: 100%;
}

.parallax-controls .control-group {
  display: block !important;
  width: 100%;
  margin-bottom: 10px;
}

/* スライダーとボタンを横並びにするコンテナ */
.slider-with-button {
  display: flex;
  align-items: center;
  gap: 8px;
}

.slider-with-button .modern-slider {
  flex: 1;
}

/* ZERO ボタンと FIT ボタンのスタイル */
.zero-btn,
.fit-btn {
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
  min-width: 45px;
}

.zero-btn:hover,
.fit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
}

.zero-btn:active,
.fit-btn:active {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(102, 126, 234, 0.3);
}


.parallax-controls .control-grid {
  display: grid !important;
  grid-template-columns: 1fr !important;
  gap: 6px;
}

.parallax-controls .modern-btn {
  width: 100%;
  margin-bottom: 8px;
}

.parallax-controls .checkbox-group {
  display: block !important;
  width: 100%;
  margin-bottom: 10px;
}

.parallax-controls input[type="range"] {
  width: 100% !important;
}

.parallax-controls .modern-checkbox {
  width: 100% !important;
}

/* ===== アライメントセクション ===== */
.alignment-section {
  padding: 10px;
  margin: 0 10px 10px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

.alignment-section .section-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-color);
}

.alignment-section .control-group {
  margin-bottom: 8px;
}

.alignment-section .control-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  margin-bottom: 8px;
}

.alignment-section .modern-btn {
  margin-bottom: 0;
}

/* 2カラムグリッド（アライメントセクション用） */
.control-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  align-items: end;
}

.control-group.compact {
  margin-bottom: 0;
}

.control-group.align-bottom {
  display: flex;
  align-items: flex-end;
}

.modern-btn.compact-btn {
  margin-bottom: 0;
  height: 32px;
  font-size: 11px;
}

/* 2つ目のファイル名（左右画像読み込み時） */
.file-name-secondary {
  margin-top: -2px;
  padding-top: 0 !important;
}

/* ===== 開くオプションカード ===== */
.open-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.open-option-card {
  display: flex;
  align-items: center;
  padding: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  color: var(--text-primary);
  text-align: left;
}

.open-option-card:hover {
  background: var(--bg-hover);
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

.open-option-card .option-icon {
  font-size: 28px;
  margin-right: 14px;
  flex-shrink: 0;
}

.open-option-card .option-content {
  flex: 1;
}

.open-option-card .option-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.open-option-card .option-desc {
  font-size: 11px;
  color: var(--text-secondary);
}

/* コントロールヒント */
.control-hint {
  font-size: 10px;
  color: var(--text-tertiary);
  margin-top: 2px;
  margin-bottom: 8px;
}

/* ===== Action Section ===== */
.action-section {
  padding: 10px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.action-card {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  color: var(--text-primary);
}

.action-card:hover {
  background: var(--bg-hover);
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

.action-card .icon {
  font-size: 18px;
  margin-right: 6px;
}

.action-card .label {
  font-size: 12px;
  font-weight: 500;
}

/* ===== Info Card (旧・左メニュー内、現在は未使用だが互換性のため残す) ===== */
.info-card {
  margin: 10px;
  padding: 8px;
  background: var(--bg-card);
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.info-card.compact {
  margin: 0 0 10px 0;
  padding: 8px 10px;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 3px 0;
}

.info-row.small {
  font-size: 10px;
  color: var(--text-secondary);
}

.info-row.highlight {
  color: var(--accent-blue);
}

.info-label {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 500;
}

.info-value {
  font-size: 11px;
  color: var(--text-primary);
  word-break: break-all;
  text-align: right;
  max-width: 60%;
}

.info-value.highlight {
  color: var(--accent-blue);
  font-weight: 600;
}

/* ===== Quick Controls ===== */
.quick-controls {
  padding: 10px;
}

/* ===== Menu Cards ===== */
.menu-cards {
  padding: 10px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.menu-cards.single-row {
  grid-template-columns: 1fr;
  padding-bottom: 5px;
}

.menu-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
  width: 100%;
  min-height: 70px;
}

.menu-card.wide {
  flex-direction: row;
  justify-content: flex-start;
  padding: 10px 14px;
  min-height: auto;
}

.menu-card.wide .card-icon {
  margin-bottom: 0;
  margin-right: 10px;
  font-size: 20px;
}

.menu-card.wide .card-content {
  flex: 1;
  text-align: left;
}

.menu-card.wide .card-arrow {
  display: block;
  font-size: 16px;
  color: var(--text-tertiary);
}

.menu-card:hover {
  background: var(--bg-hover);
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

.menu-card .card-icon {
  font-size: 24px;
  margin-bottom: 6px;
}

.menu-card .card-content {
  flex: 1;
}

.menu-card .card-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
}

.menu-card .card-desc {
  display: none;
}

.menu-card .card-arrow {
  display: none;
}

/* ===== Control Groups ===== */
.control-group {
  margin-bottom: 10px;
}

.control-label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.control-label.small {
  font-size: 10px;
}

.value-display {
  color: var(--accent-blue);
  font-weight: 600;
}

.unit {
  font-size: 9px;
  color: var(--text-tertiary);
  margin-left: 2px;
}

/* ===== Modern Inputs ===== */
.modern-input {
  width: 100%;
  padding: 6px 8px;
  background: rgba(26, 26, 26, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 11px;
  transition: all 0.2s;
}

.modern-input:focus {
  outline: none;
  border-color: var(--accent-blue);
  background: rgba(36, 36, 36, 0.9);
}

.modern-input.small {
  padding: 5px 7px;
  font-size: 10px;
}

/* Number inputsの高さを増やしてステップ矢印を見やすく */
input[type="number"].modern-input.small {
  padding: 8px 7px;
  height: 32px;
  line-height: 16px;
}

.modern-select {
  width: 100%;
  padding: 6px 8px;
  background: rgba(26, 26, 26, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.2s;
}

.modern-select:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.modern-slider {
  width: 100%;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: rgba(26, 26, 26, 0.8);
  border-radius: 2px;
  outline: none;
}

.modern-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--accent-blue);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s;
}

.modern-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 0 5px rgba(33, 150, 243, 0.2);
}

.modern-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--accent-blue);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s;
}

.modern-slider::-moz-range-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 0 5px rgba(33, 150, 243, 0.2);
}

/* ===== Modern Buttons ===== */
.modern-btn {
  width: 100%;
  padding: 8px 10px;
  border: none;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 6px;
}

.modern-btn.primary {
  background: var(--accent-blue);
  color: white;
  opacity: 0.75;
}

.modern-btn.primary:hover {
  background: #1976D2;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(33, 150, 243, 0.4);
  opacity: 1.0;
}

.modern-btn.primary:disabled {
  background: var(--bg-hover);
  color: var(--text-tertiary);
  cursor: not-allowed;
  transform: none;
}

.modern-btn.secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  opacity: 0.75;
}

.modern-btn.secondary:hover {
  background: var(--bg-hover);
  border-color: var(--text-secondary);
  opacity: 1.0;
}

.modern-btn.secondary.active {
  background: var(--accent-blue);
  color: white;
  border-color: var(--accent-blue);
  opacity: 1.0;
}

/* ===== Control Grid ===== */
.control-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  margin-bottom: 10px;
}

/* ===== Checkbox ===== */
.checkbox-group {
  margin-bottom: 10px;
}

.modern-checkbox {
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: 6px;
  border-radius: 4px;
  transition: background 0.2s;
}

.modern-checkbox:hover {
  background: var(--bg-hover);
}

.modern-checkbox input[type="checkbox"] {
  display: none;
}

.modern-checkbox .checkmark {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-color);
  border-radius: 3px;
  margin-right: 8px;
  position: relative;
  transition: all 0.2s;
  flex-shrink: 0;
}

.modern-checkbox input[type="checkbox"]:checked + .checkmark {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
}

.modern-checkbox input[type="checkbox"]:checked + .checkmark::after {
  content: '✔';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 11px;
  font-weight: bold;
}

.modern-checkbox .label-text {
  font-size: 11px;
  color: var(--text-primary);
}

/* ===== Help Section ===== */
.help-section {
  padding: 6px 0;
}

.help-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 10px;
  background: var(--bg-card);
  border-radius: 4px;
  margin-bottom: 5px;
}

.help-key {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-blue);
}

.help-desc {
  font-size: 11px;
  color: var(--text-secondary);
}

.help-note {
  font-size: 10px;
  color: var(--text-tertiary);
  padding: 6px 10px;
  font-style: italic;
}

/* ===== Modal Styles ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
}

.modal-dialog {
  background: var(--bg-secondary);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 8px;
  box-shadow: var(--shadow-heavy);
  max-width: 380px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
  margin: 0;
  font-size: 14px;
  color: var(--text-primary);
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s;
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 12px;
}

.dual-file-section {
  margin-bottom: 12px;
}

.dual-file-label {
  display: inline-block;
  padding: 7px 14px;
  background: var(--accent-green);
  color: white;
  border-radius: 5px;
  cursor: pointer;
  font-size: 11px;
  transition: all 0.2s;
  font-weight: 500;
}

.dual-file-label:hover {
  background: #45a049;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(76, 175, 80, 0.4);
}

.file-name-display {
  font-size: 10px;
  color: var(--text-secondary);
  margin-top: 5px;
  min-height: 16px;
  padding: 5px;
  word-break: break-all;
}

.modal-buttons {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
  margin-top: 16px;
}

.btn {
  padding: 7px 14px;
  border: none;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-hover);
}

.btn-primary {
  background: var(--accent-blue);
  color: white;
}

.btn-primary:hover {
  background: #1976D2;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(33, 150, 243, 0.4);
}

.btn-primary:disabled {
  background: var(--bg-hover);
  color: var(--text-tertiary);
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
}

/* ===== Responsive ===== */
@media (max-width: 480px) {
  #ui-container {
    width: 100%;
  }

  #status-panel {
    top: auto;
    bottom: 10px;
    right: 10px;
    min-width: 150px;
  }

  .control-grid {
    grid-template-columns: 1fr;
  }

  .menu-cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .action-section {
    grid-template-columns: 1fr;
  }
}

/* ===== Scrollbar Styling ===== */
.menu-panel::-webkit-scrollbar,
.menu-content::-webkit-scrollbar {
  width: 5px;
}

.menu-panel::-webkit-scrollbar-track,
.menu-content::-webkit-scrollbar-track {
  background: transparent;
}

.menu-panel::-webkit-scrollbar-thumb,
.menu-content::-webkit-scrollbar-thumb {
  background: var(--bg-hover);
  border-radius: 2.5px;
}

.menu-panel::-webkit-scrollbar-thumb:hover,
.menu-content::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* ===== VR Button Styles ===== */
.vr-button {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1002;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: 2px solid white;
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-heavy);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.vr-button:hover {
  transform: translateX(-50%) scale(1.05);
  box-shadow: 0 6px 24px rgba(102, 126, 234, 0.5);
}

.vr-button:active {
  transform: translateX(-50%) scale(0.98);
}

/* VRモード時のボタンスタイル */
.vr-button.vr-active {
  background: linear-gradient(135deg, #f44336 0%, #e91e63 100%);
}

/* 全画面モード時もVRボタンは表示 */
body.fullscreen-mode .vr-button {
  display: flex !important;
}

/* 調整セクション */
.adjustment-section {
  margin-bottom: 20px;
  padding: 15px;
  background-color: rgba(255, 255, 255, 0.02);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.adjustment-section .section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-blue);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

/* 全幅ボタン */
.modern-btn.full-width {
  width: 100%;
}

/* 色選択ボタン */
.color-selector {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.color-option {
  width: 32px;
  height: 32px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
  padding: 0;
}

.color-option:hover {
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.color-option.active {
  border-color: var(--accent-blue);
  border-width: 3px;
  box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.3);
}