/* 全局样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'MiSans', 'Segoe UI', 'Microsoft YaHei', sans-serif;
  background-color: #0a0a0a;
  color: #eee;
  overflow: hidden;
  height: 100vh;
}

/* 应用容器 */
.app-container {
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* 预览区域 */
.preview-area {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #16213e;
  position: relative;
  overflow: hidden;
}

/* 拖拽区域 */
.drop-zone {
  width: 90%;
  height: 80%;
  border: 3px dashed #0f3460;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  cursor: pointer;
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: #68bbff;
  background-color: rgba(104, 187, 255, 0.1);
}

.drop-content {
  text-align: center;
  color: #888;
}

.icon-upload {
  font-size: 80px;
  margin-bottom: 20px;
}

.drop-content h2 {
  font-size: 28px;
  margin-bottom: 10px;
  color: #eee;
}

.drop-content p {
  font-size: 16px;
}

/* 预览容器 */
.preview-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

#previewCanvas {
  max-width: 90%;
  max-height: 80%;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* 色块容器 */
.color-blocks {
  position: absolute;
  display: flex;
  background: rgba(0, 0, 0, 0.8);
  padding: 10px;
  border-radius: 8px;
  z-index: 10;
}

.color-blocks.vertical {
  flex-direction: column;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
}

.color-blocks.horizontal {
  flex-direction: row;
}

.color-blocks.top {
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
}

.color-blocks.bottom {
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
}

.color-blocks.left {
  left: 5%;
  top: 50%;
  transform: translateY(-50%);
}

.color-blocks.right {
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
}

.color-block {
  display: flex;
  align-items: center;
  margin: 5px;
  border-radius: 4px;
  overflow: hidden;
  cursor: move;
  transition: transform 0.2s;
}

.color-block:hover {
  transform: scale(1.05);
}

.color-block-inner {
  width: 40px;
  height: 40px;
}

.color-label {
  padding: 0 8px;
  font-size: 12px;
  font-family: monospace;
  background: #333;
  color: #fff;
  height: 40px;
  display: flex;
  align-items: center;
}

/* 控制面板 */
.control-panel {
  width: 300px;
  background-color: #0a0a0a;
  padding: 20px;
  overflow-y: auto;
  border-left: 1px solid #333;
}

.app-title {
  font-size: 24px;
  color: #68bbff;
  margin-bottom: 30px;
  text-align: center;
}

.control-section {
  margin-bottom: 25px;
}

.control-section h3 {
  font-size: 14px;
  color: #888;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* 单选按钮组 */
.radio-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.radio-option {
  display: flex;
  align-items: center;
  padding: 10px 15px;
  background: #16213e;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
}

.radio-option:hover {
  background: #0f3460;
}

.radio-option input {
  margin-right: 10px;
}

.radio-option span {
  font-size: 14px;
}

/* 边缘位置按钮 */
.edge-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.edge-btn {
  padding: 10px;
  background: #16213e;
  border: 2px solid transparent;
  border-radius: 8px;
  color: #eee;
  cursor: pointer;
  transition: all 0.2s;
}

.edge-btn:hover {
  background: #0f3460;
}

.edge-btn.active {
  border-color: #68bbff;
  background: rgba(104, 187, 255, 0.2);
}

/* 滑块 */
input[type="range"] {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: #16213e;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #68bbff;
  cursor: pointer;
  transition: transform 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

#blockSizeValue {
  display: inline-block;
  margin-top: 8px;
  font-size: 14px;
  color: #68bbff;
}

/* 开关 */
.toggle {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 26px;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #16213e;
  transition: 0.3s;
  border-radius: 26px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: #888;
  transition: 0.3s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: #68bbff;
}

input:checked + .slider:before {
  transform: translateX(24px);
  background-color: white;
}

/* 颜色列表 */
.color-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.color-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: #16213e;
  border-radius: 6px;
  cursor: grab;
}

.color-item:active {
  cursor: grabbing;
}

.color-swatch {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  border: 2px solid #333;
}

.color-hex {
  font-family: monospace;
  font-size: 12px;
  color: #aaa;
}

/* 操作按钮 */
.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 30px;
}

.btn {
  padding: 14px 20px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-primary {
  background: #0f3460;
  color: #eee;
}

.btn-primary:hover {
  background: #1a4a7a;
}

.btn-success {
  background: #68bbff;
  color: #0a0a0a;
}

.btn-success:hover:not(:disabled) {
  background: #8fcfff;
  transform: translateY(-2px);
}

.btn-success:disabled {
  background: #555;
  cursor: not-allowed;
}

/* 滚动条样式 */
.control-panel::-webkit-scrollbar {
  width: 6px;
}

.control-panel::-webkit-scrollbar-track {
  background: #0a0a0a;
}

.control-panel::-webkit-scrollbar-thumb {
  background: #3e3e3e;
  border-radius: 3px;
}

.control-panel::-webkit-scrollbar-thumb:hover {
  background: #535353;
}

/* 排序下拉框 */
.sort-select {
  width: 100%;
  padding: 8px 12px;
  background: #2c2c2c;
  border: 1px solid #3e3e3e;
  border-radius: 6px;
  color: #eee;
  font-size: 14px;
  cursor: pointer;
}

.sort-select:focus {
  outline: none;
  border-color: #68bbff;
}

/* 颜色数量值显示 */
#colorCountValue {
  display: inline-block;
  margin-top: 8px;
  font-size: 14px;
  color: #68bbff;
}

/* 关于弹窗 */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
}

.modal-content {
  background-color: #1a1a1a;
  margin: 10% auto;
  padding: 30px;
  border: 1px solid #3e3e3e;
  border-radius: 12px;
  width: 90%;
  max-width: 450px;
  color: #eee;
  position: relative;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-content > h2 {
  color: #68bbff;
  margin-bottom: 20px;
  font-size: 22px;
  text-align: center;
}

.about-section {
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid #333;
}

.about-section:last-of-type {
  border-bottom: none;
}

.about-section h3 {
  color: #68bbff;
  font-size: 14px;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-section .subtitle {
  color: #aaa;
  font-size: 16px;
  margin-bottom: 8px;
}

.about-section .description {
  color: #ccc;
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 0;
}

.about-section p {
  margin-bottom: 6px;
  font-size: 14px;
}

.about-section p:last-child {
  margin-bottom: 0;
}

.modal-content a {
  color: #68bbff;
  text-decoration: none;
  transition: color 0.2s;
}

.modal-content a:hover {
  color: #8fcfff;
  text-decoration: underline;
}

.modal-content .version {
  color: #666;
  font-size: 12px;
  text-align: center;
  margin-top: 20px;
  margin-bottom: 0;
}

.close {
  position: absolute;
  right: 15px;
  top: 10px;
  color: #888;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.2s;
}

.close:hover {
  color: #68bbff;
}

/* 关闭按钮样式 */
.btn-close {
  width: 100%;
  padding: 10px;
  background: #333;
  color: #fff;
  border: 1px solid #444;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}
.btn-close:hover {
  background: #444;
  border-color: #555;
}

/* 底部队列面板 */
.queue-panel {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: rgba(22, 33, 62, 0.95);
  border-top: 1px solid #333;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  overflow-x: auto;
  z-index: 20;
}

.queue-list {
  display: flex;
  gap: 8px;
}

.queue-item {
  width: 50px;
  height: 50px;
  border: 2px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  overflow: hidden;
  flex-shrink: 0;
  transition: border-color 0.2s, transform 0.2s;
}

.queue-item:hover {
  border-color: #666;
  transform: scale(1.05);
}

.queue-item.active {
  border-color: #68bbff;
}

.queue-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 横向显示开关布局 */
.display-toggles {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 15px 10px;
}

.toggle-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.toggle-item .toggle {
  margin-bottom: 0;
}

.toggle-label {
  font-size: 12px;
  color: #888;
}

/* ===== 移动端响应式布局 ===== */
@media (max-width: 768px) {
  .app-container {
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
  }

  .preview-area {
    flex: 1;
    min-height: 0;
  }

  .control-panel {
    width: 100%;
    max-height: 45vh;
    border-left: none;
    border-top: 1px solid #333;
    padding: 15px;
  }

  .app-title {
    font-size: 18px;
    margin-bottom: 15px;
  }

  .control-section {
    margin-bottom: 15px;
  }

  .control-section h3 {
    font-size: 12px;
    margin-bottom: 8px;
  }

  .radio-option {
    padding: 8px 12px;
  }

  .radio-option span {
    font-size: 13px;
  }

  .btn {
    padding: 12px 16px;
    font-size: 14px;
  }

  .action-buttons {
    gap: 8px;
    margin-top: 15px;
  }

  .icon-upload {
    font-size: 50px;
    margin-bottom: 10px;
  }

  .drop-content h2 {
    font-size: 20px;
  }

  .drop-content p {
    font-size: 14px;
  }

  #previewCanvas {
    max-width: 95%;
    max-height: 70%;
  }

  .queue-panel {
    height: 60px;
    padding: 6px 12px;
  }

  .queue-item {
    width: 42px;
    height: 42px;
  }

  .modal-content {
    margin: 5% auto;
    width: 95%;
    padding: 20px;
  }
}

/* 小屏手机 */
@media (max-width: 480px) {
  .control-panel {
    max-height: 50vh;
    padding: 12px;
  }

  .edge-buttons {
    grid-template-columns: repeat(2, 1fr);
  }

  .display-toggles {
    flex-wrap: wrap;
    gap: 8px;
  }

  .toggle-item {
    flex: 1;
    min-width: 80px;
  }
}