/**
 * QiuMo Tool - 图片切片工具样式
 * @version 1.0.0
 */

/* ========== CSS 变量定义 ========== */
:root {
  --slicer-border-color: #e0e0e0;
  --slicer-bg-light: #fafafa;
  --slicer-text-color: #333;
  --slicer-text-muted: #666;
  --slicer-button-primary: #2f55d4;
  --slicer-button-hover: #1e40af;
  --slicer-button-danger: #ef4444;
  --slicer-button-danger-hover: #dc2626;
  --slicer-guide-color: #3b82f6;
  --slicer-guide-active: #ef4444;
  --slicer-shadow: rgba(0, 0, 0, 0.1);
}

body.dark-theme {
  --slicer-border-color: #374151;
  --slicer-bg-light: #1f2937;
  --slicer-text-color: #e5e7eb;
  --slicer-text-muted: #9ca3af;
  --slicer-button-primary: #3b82f6;
  --slicer-button-hover: #2563eb;
  --slicer-button-danger: #f87171;
  --slicer-button-danger-hover: #ef4444;
  --slicer-guide-color: #60a5fa;
  --slicer-guide-active: #f87171;
  --slicer-shadow: rgba(0, 0, 0, 0.3);
}

/* ========== 布局样式 ========== */
.qiumo-slicer-container {
  display: flex;
  gap: 20px;
  margin-top: 20px;
  min-height: 600px;
}

/* 通用盒子样式 */
.qiumo-slicer-box {
  background: var(--body-bg-color, #fff);
  border: 1px solid var(--slicer-border-color);
  border-radius: 8px;
  padding: 20px;
}

.qiumo-slicer-toolbar {
  flex: 0 0 280px;
  height: fit-content;
  position: sticky;
  top: 80px;
}

.qiumo-slicer-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.qiumo-slicer-canvas-wrap {
  min-height: 500px;
  display: flex;
  flex-direction: column;
}

.qiumo-slicer-slices {
  display: none;
}

.qiumo-slicer-slices.active {
  display: block;
}

/* ========== 工具栏样式 ========== */
.qiumo-toolbar-section {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--slicer-border-color);
}

.qiumo-toolbar-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.qiumo-toolbar-title {
  font-size: 14px;
  font-weight: bold;
  color: var(--slicer-text-color);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.qiumo-toolbar-title i {
  color: var(--slicer-button-primary);
}

/* ========== 按钮样式 ========== */
.qiumo-btn {
  width: 100%;
  padding: 10px 16px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 8px;
}

.qiumo-btn:last-child {
  margin-bottom: 0;
}

.qiumo-btn-primary {
  background: var(--slicer-button-primary);
  color: white;
}

.qiumo-btn-primary:hover {
  background: var(--slicer-button-hover);
}

.qiumo-btn-secondary {
  background: var(--slicer-bg-light);
  color: var(--slicer-text-color);
  border: 1px solid var(--slicer-border-color);
}

.qiumo-btn-secondary:hover {
  background: var(--slicer-border-color);
}

.qiumo-btn-danger {
  background: var(--slicer-button-danger);
  color: white;
}

.qiumo-btn-danger:hover {
  background: var(--slicer-button-danger-hover);
}

.qiumo-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.qiumo-btn-group {
  display: flex;
  gap: 8px;
}

.qiumo-btn-group .qiumo-btn {
  flex: 1;
  margin-bottom: 0;
}

/* ========== 表单控件样式 ========== */
.qiumo-input-group {
  margin-bottom: 12px;
}

.qiumo-input-group label {
  display: block;
  font-size: 13px;
  color: var(--slicer-text-muted);
  margin-bottom: 6px;
}

.qiumo-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--slicer-border-color);
  border-radius: 4px;
  background: var(--body-bg-color, #fff);
  color: var(--slicer-text-color);
  font-size: 14px;
}

.qiumo-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--slicer-text-color);
  margin-bottom: 12px;
}

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

.qiumo-checkbox label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.qiumo-switch {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--slicer-border-color);
  border-radius: 12px;
  transition: background 0.3s;
  flex-shrink: 0;
}

.qiumo-switch::after {
  content: '';
  position: absolute;
  left: 2px;
  top: 2px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  transition: transform 0.3s;
}

.qiumo-checkbox input:checked+label .qiumo-switch {
  background: var(--slicer-button-primary);
}

.qiumo-checkbox input:checked+label .qiumo-switch::after {
  transform: translateX(20px);
}

/* ========== 画布样式 ========== */
.qiumo-canvas-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--slicer-border-color);
}

.qiumo-canvas-info {
  font-size: 13px;
  color: var(--slicer-text-muted);
}

.qiumo-canvas-zoom {
  display: flex;
  align-items: center;
  gap: 10px;
}

.qiumo-zoom-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--slicer-border-color);
  background: var(--body-bg-color, #fff);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slicer-text-color);
  transition: all 0.2s;
}

.qiumo-zoom-btn:hover {
  background: var(--slicer-bg-light);
}

.qiumo-zoom-value {
  min-width: 50px;
  text-align: center;
  font-size: 13px;
  color: var(--slicer-text-color);
}

.qiumo-canvas-area {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: var(--slicer-bg-light);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qiumo-canvas-empty {
  text-align: center;
  color: var(--slicer-text-muted);
  font-size: 14px;
}

.qiumo-canvas-empty i {
  font-size: 48px;
  margin-bottom: 15px;
  opacity: 0.3;
}

#qiumo-canvas-wrapper {
  position: relative;
  cursor: grab;
  transform-origin: center;
}

#qiumo-canvas-wrapper.dragging {
  cursor: grabbing;
}

#qiumo-canvas {
  display: block;
  border: 1px solid var(--slicer-border-color);
}

/* ========== 辅助线样式 ========== */
.qiumo-guide-line {
  position: absolute;
  background: var(--slicer-guide-color);
  z-index: 10;
  cursor: move;
  pointer-events: auto;
}

.qiumo-guide-line.horizontal {
  left: 0;
  right: 0;
  height: 2px;
  cursor: ns-resize;
}

.qiumo-guide-line.vertical {
  top: 0;
  bottom: 0;
  width: 2px;
  cursor: ew-resize;
}

.qiumo-guide-line.active {
  background: var(--slicer-guide-active);
  z-index: 101;
}

/* ========== 切片列表样式 ========== */
.qiumo-slices-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--slicer-border-color);
}

.qiumo-slices-title {
  font-size: 16px;
  font-weight: bold;
  color: var(--slicer-text-color);
}

.qiumo-slices-count {
  font-size: 13px;
  color: var(--slicer-text-muted);
}

.qiumo-slices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 15px;
}

.qiumo-slice-item {
  background: var(--slicer-bg-light);
  border: 1px solid var(--slicer-border-color);
  border-radius: 6px;
  padding: 10px;
  text-align: center;
}

.qiumo-slice-preview {
  width: 100%;
  aspect-ratio: 1;
  background: var(--body-bg-color, #fff);
  border: 1px solid var(--slicer-border-color);
  border-radius: 4px;
  margin-bottom: 10px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.qiumo-slice-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  cursor: pointer;
  transition: transform 0.2s, opacity 0.2s;
}

.qiumo-slice-preview img:hover {
  transform: scale(1.05);
  opacity: 0.9;
}

.qiumo-slice-name {
  font-size: 12px;
  color: var(--slicer-text-muted);
  margin-bottom: 8px;
  word-break: break-all;
}

.qiumo-slice-download {
  padding: 6px 12px;
  background: var(--slicer-button-primary);
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  width: 100%;
}

.qiumo-slice-download:hover {
  background: var(--slicer-button-hover);
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
  .qiumo-slicer-container {
    flex-direction: column;
  }

  .qiumo-slicer-toolbar {
    flex: none;
    position: static;
  }

  .qiumo-btn-group {
    flex-direction: column;
  }

  .qiumo-btn-group .qiumo-btn {
    width: 100%;
    margin-bottom: 8px;
  }

  .qiumo-canvas-controls {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }
}

/* ========== 辅助类 ========== */
#qiumo-image-upload {
  display: none;
}