/* ===== 配置面板 ===== */
.panels {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 18px;
  margin-top: 6px;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.panel {
  background: #0f141a;
  border-radius: 10px;
  border: 1px solid #2d3540;
  padding: 14px 16px 18px;
  transition: 0.15s;
}

.panel:hover {
  border-color: #3d4655;
}

.panel .panel-title {
  font-size: 15px;
  font-weight: 600;
  color: #f0f6fc;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.panel .panel-title .sub {
  font-size: 12px;
  font-weight: 400;
  color: #8b9bb5;
}

.panel .field {
  display: flex;
  align-items: center;
  gap: 8px 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.panel .field label {
  font-size: 13px;
  color: #b1c3d8;
  min-width: 60px;
  flex-shrink: 0;
}

.panel .field label.small {
  min-width: 30px;
}

.panel .field .hint {
  font-size: 11px;
  color: #6e7681;
}

.panel .field .actions {
  display: flex;
  gap: 6px;
  margin-left: auto;
  flex-wrap: wrap;
}

.panel .field .actions .btn {
  padding: 3px 12px;
  font-size: 12px;
}

.panel .divider {
  height: 1px;
  background: #2d3540;
  margin: 10px 0 12px;
}

.panel .gpio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px 10px;
  margin: 6px 0 10px 0;
}

.panel .gpio-grid .gpio-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}

.panel .gpio-grid .gpio-item label {
  min-width: 20px;
  color: #8b9bb5;
}

.panel .gpio-grid .gpio-item input {
  width: 50px;
  padding: 3px 6px;
}

.btn-group {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.btn-group .btn {
  padding: 3px 14px;
  font-size: 13px;
  min-width: 36px;
  text-align: center;
}

.btn-group .btn.op-plus {
  background: #1f6feb;
  color: #fff;
}

.btn-group .btn.op-plus:hover {
  background: #388bfd;
}

.btn-group .btn.op-minus {
  background: #8b5a2b;
  color: #fff;
}

.btn-group .btn.op-minus:hover {
  background: #a86e32;
}

.btn-group .btn.op-zero {
  background: #3d4655;
  color: #cdd6e0;
}

.btn-group .btn.op-zero:hover {
  background: #4d5668;
}

.toggle-wrap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
}

.toggle-wrap input {
  display: none;
}

.toggle-track {
  width: 38px;
  height: 22px;
  background: #2d3540;
  border-radius: 20px;
  position: relative;
  transition: 0.2s;
  flex-shrink: 0;
}

.toggle-track .thumb {
  width: 16px;
  height: 16px;
  background: #6e7681;
  border-radius: 50%;
  position: absolute;
  top: 3px;
  left: 3px;
  transition: 0.2s;
}

.toggle-wrap.active .toggle-track {
  background: #1f6feb;
}

.toggle-wrap.active .toggle-track .thumb {
  left: 19px;
  background: #fff;
}

/* ===== 灵敏度紧凑网格 ===== */
.sense-grid {
  display: grid;
  grid-template-columns: auto repeat(8, 1fr);
  gap: 2px 4px;
  margin: 8px 0 12px;
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
}

.sense-grid .sg-header {
  color: #6e7681;
  text-align: center;
  padding: 2px 4px;
  font-weight: 600;
}

.sense-grid .sg-row-label {
  color: #8b9bb5;
  font-weight: 700;
  text-align: right;
  padding: 2px 6px;
  cursor: default;
}

.sense-grid .sg-cell {
  text-align: center;
  padding: 3px 4px;
  border-radius: 4px;
  cursor: pointer;
  transition: 0.12s;
  background: #161b22;
  border: 1px solid transparent;
  min-width: 28px;
}

.sense-grid .sg-cell:hover {
  border-color: #58a6ff;
  background: #1c2333;
}

.sense-grid .sg-cell.selected {
  border-color: #58a6ff;
  background: #1f3a5f;
  color: #fff;
  font-weight: 700;
}

.sense-grid .sg-cell.val-0 {
  color: #6e7681;
}

.sense-grid .sg-cell.val-low {
  color: #7ee0b0;
}

.sense-grid .sg-cell.val-mid {
  color: #e3b341;
}

.sense-grid .sg-cell.val-high {
  color: #f0888e;
}

.sense-grid .sg-empty {
  visibility: hidden;
}

/* ===== 折叠区域 ===== */
.collapse-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  color: #58a6ff;
  font-size: 13px;
  font-weight: 500;
  user-select: none;
  padding: 4px 0;
  transition: 0.15s;
}

.collapse-toggle:hover {
  color: #79c0ff;
}

.collapse-toggle .arrow {
  transition: transform 0.2s;
  display: inline-block;
}

.collapse-toggle .arrow.open {
  transform: rotate(90deg);
}

.collapse-body {
  overflow: hidden;
  transition:
    max-height 0.3s ease,
    opacity 0.3s ease;
  max-height: 0;
  opacity: 0;
}

.collapse-body.open {
  max-height: 600px;
  opacity: 1;
}

/* 触摸传感器可视化 */
.touch-pad-container {
  position: relative;
  width: 100%;
  max-width: 320px;
  margin: 8px auto;
  padding-bottom: min(100%, 320px);
  user-select: none;
}

.touch-pad-container svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 5px rgba(0, 0, 0, 0.5));
}

.zone-path {
  stroke: #1a1b26;
  stroke-width: 2;
  cursor: pointer;
  transition:
    fill 0.2s,
    stroke 0.2s,
    stroke-width 0.2s;
}

.zone-path:hover {
  opacity: 0.85;
  stroke: #fff;
  stroke-width: 3;
}

.zone-path.selected {
  stroke: #58a6ff;
  stroke-width: 3;
}

.zone-text {
  font-size: 11px;
  fill: #fff;
  pointer-events: none;
  text-anchor: middle;
  dominant-baseline: middle;
  font-weight: bold;
  text-shadow:
    1px 1px 2px rgba(0, 0, 0, 0.8),
    0 0 4px rgba(0, 0, 0, 0.6);
}

/* 底部调节栏 */
.bottom-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.25);
  padding: 8px 12px;
  border-radius: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.bottom-controls .current-zone-display {
  background: #16161e;
  padding: 3px 10px;
  border-radius: 4px;
  min-width: 40px;
  text-align: center;
  border: 1px solid #58a6ff;
  font-weight: 600;
  color: #58a6ff;
}

.bottom-controls .btn-adjust {
  background: #2d3540;
  color: #cdd6e0;
  border: none;
  padding: 4px 16px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  transition: 0.15s;
}

.bottom-controls .btn-adjust:hover {
  background: #3d4655;
}

.bottom-controls .btn-adjust.plus {
  background: #1f6feb;
  color: #fff;
}

.bottom-controls .btn-adjust.plus:hover {
  background: #388bfd;
}

.bottom-controls .btn-adjust.minus {
  background: #8b5a2b;
  color: #fff;
}

.bottom-controls .btn-adjust.minus:hover {
  background: #a86e32;
}

.bottom-controls .btn-adjust.zero {
  background: #3d4655;
  color: #cdd6e0;
}

.bottom-controls .btn-adjust.zero:hover {
  background: #4d5668;
}

.bottom-controls .btn-send {
  background: #238636;
  color: #fff;
  border: none;
  padding: 4px 16px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  transition: 0.15s;
}

.bottom-controls .btn-send:hover {
  background: #2ea043;
}

.misc-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.misc-grid .btn {
  padding: 5px 16px;
}

.explain-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  color: #58a6ff;
  font-size: 16px;
  font-weight: 400;
  user-select: none;
}

.explain-toggle:hover {
  color: #79c0ff;
}

.explain-box {
  background: #0d1117;
  border: 1px solid #2d3540;
  border-radius: 6px;
  padding: 10px 14px;
  margin-top: 6px;
  font-size: 13px;
  color: #b1c3d8;
  line-height: 1.6;
}

.explain-box p {
  margin: 4px 0;
}

.explain-box .highlight {
  color: #f0e6d0;
}

.browser-warning {
  background: #1a1a2e;
  border: 1px solid #da3633;
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.browser-warning .icon {
  font-size: 22px;
}

.browser-warning .msg {
  color: #f0888e;
  font-size: 14px;
  flex: 1;
}

.browser-warning .msg strong {
  color: #f0a0a6;
}

.browser-warning .btn {
  background: #da3633;
  color: #fff;
}

.browser-warning .btn:hover {
  background: #e54444;
}