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

body {
  background-color: #202c3c;
  color: #e3e3e3;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  padding: 20px 0;
}

a {
  color: #e1c77e;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #f8d690;
}

/* 头部样式 */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 5%;
  margin-bottom: 30px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 15px;
}

.brand h1 {
  font-size: 28px;
  font-weight: 600;
}

.brand span {
  font-size: 0.6em;
  background-color: #f95959;
  color: white;
  padding: 2px 6px;
  border-radius: 4px;
}

.credits {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 5px;
  font-size: 14px;
}

/* 容器布局 */
.container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.card {
  background-color: #2c3e50;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  padding: 20px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

.editor-card {
  grid-column: 1 / 2;
  grid-row: 1 / 3;
}

.controls-card {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
}

.preview-card {
  grid-column: 2 / 3;
  grid-row: 2 / 3;
  display: flex;
  flex-direction: column;
}

/* 图片编辑器 */
.image-editor {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.upload-section {
  margin-bottom: 10px;
}

.upload-btn {
  display: inline-block;
  background-color: #4a6fa5;
  color: white;
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.upload-btn:hover {
  background-color: #5881bd;
}

.upload-btn i {
  margin-right: 5px;
}

input[type="file"].cropit-image-input {
  display: none;
}

.cropit-preview {
  background-color: #1a2634;
  background-size: cover;
  border: 2px solid #3c5273;
  border-radius: 8px;
  width: 350px;
  height: 350px;
  margin: 10px auto;
  position: relative;
  overflow: hidden;
}

.placeholder-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: #7f8c8d;
  font-size: 14px;
  line-height: 1.5;
}

.placeholder-content i {
  font-size: 48px;
  margin-bottom: 15px;
  color: #3c5273;
}

.placeholder-content p {
  margin: 5px 0;
}

.cropit-preview-image-container {
  cursor: move;
}

.cropit-preview-background {
  opacity: .2;
  cursor: auto;
}

.zoom-control {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 10px 0;
}

.zoom-label {
  color: #7f8c8d;
}

input[type="range"].cropit-image-zoom-input {
  width: 200px;
  height: 5px;
  background-color: #3c5273;
  border-radius: 5px;
  -webkit-appearance: none;
}

input[type="range"].cropit-image-zoom-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  height: 15px;
  width: 15px;
  border-radius: 50%;
  background: #f95959;
  cursor: pointer;
}

/* 表单样式 */
.editor-form {
  margin-top: 15px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-group label {
  font-size: 14px;
  color: #a9b7c7;
}

.form-control {
  padding: 8px 10px;
  border: 1px solid #3c5273;
  border-radius: 4px;
  background-color: #1a2634;
  color: white;
  font-size: 14px;
  width: 100%;
  transition: border-color 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: #f95959;
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23a9b7c7%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
  background-repeat: no-repeat;
  background-position: right 10px top 50%;
  background-size: 12px auto;
  padding-right: 30px;
}

.color-picker {
  height: 35px;
  padding: 2px;
}

/* 图像控制 */
.image-controls {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.guidelines-controls {
  display: flex;
  gap: 10px;
  margin: 10px 0;
}

.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 15px;
}

.filename-input {
  margin: 10px 0;
}

.filename-input label {
  margin-bottom: 5px;
  display: block;
  color: #a9b7c7;
  font-size: 14px;
}

/* 按钮样式 */
.btn {
  padding: 10px 15px;
  border: none;
  border-radius: 4px;
  background-color: #3c5273;
  color: white;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.btn:hover {
  background-color: #4a6fa5;
  transform: translateY(-2px);
}

.btn i {
  font-size: 14px;
}

.btn.primary {
  background-color: #f95959;
  font-weight: 600;
  padding: 12px 20px;
}

.btn.primary:hover {
  background-color: #fb7a7a;
}

.btn.secondary {
  background-color: #2c3e50;
  border: 1px solid #3c5273;
}

.btn.secondary:hover {
  background-color: #364c63;
}

.rotate-ccw-btn, .rotate-cw-btn {
  width: 100%;
}

/* 预览区域 */
.preview-header {
  margin-bottom: 15px;
  text-align: center;
}

.preview-header h3 {
  font-size: 18px;
  margin-bottom: 5px;
  font-weight: normal;
}

.preview-header p {
  font-size: 14px;
  color: #7f8c8d;
}

.highlight {
  color: #f95959;
  font-weight: 600;
}

.canvas-container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-grow: 1;
}

#canvas {
  border: 5px solid #e1c77e;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* 基准线 */
.first {
  border: none;
  border-top: 3px dotted #f95959;
  width: 100%;
  position: absolute;
  z-index: 1000;
  vertical-align: middle;
  top: 175px;
  background: transparent;
  opacity: 0.6;
}

.second {
  border: none;
  border-left: 3px dotted #f95959;
  height: 100%;
  position: absolute;
  z-index: 1200;
  top: -10px;
  left: 183px;
  background: transparent;
  opacity: 0.6;
}

/* 模态框 */
.modal {
  display: none;
  position: fixed;
  z-index: 10000;
  padding-top: 50px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.7);
}

.modal-content {
  background-color: #2c3e50;
  margin: auto;
  padding: 20px;
  border-radius: 8px;
  width: 80%;
  max-width: 1000px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  color: white;
}

.close {
  color: #7f8c8d;
  float: right;
  font-size: 28px;
  font-weight: bold;
  transition: color 0.3s ease;
}

.close:hover,
.close:focus {
  color: white;
  text-decoration: none;
  cursor: pointer;
}

/* 响应式布局 - 平板电脑适配 */
@media (max-width: 992px) {
  .container {
    grid-template-columns: 1fr;
  }
  
  .editor-card,
  .controls-card,
  .preview-card {
    grid-column: 1;
  }
  
  .editor-card {
    grid-row: 1;
  }
  
  .controls-card {
    grid-row: 2;
  }
  
  .preview-card {
    grid-row: 3;
  }
  
  .editor-form {
    grid-template-columns: 1fr;
  }
}

/* 移动端UI元素 */
.mobile-container {
  position: relative;
}

.mobile-tabs {
  display: none;
  background-color: #1a2634;
  border-radius: 8px 8px 0 0;
  overflow: hidden;
  margin: -20px -20px 15px -20px;
}

.mobile-tab {
  flex: 1;
  text-align: center;
  padding: 12px 5px;
  cursor: pointer;
  font-size: 14px;
  color: #a9b7c7;
  transition: all 0.3s ease;
  border-bottom: 2px solid transparent;
}

.mobile-tab.active {
  color: #ffffff;
  background-color: #2c3e50;
  border-bottom: 2px solid #f95959;
}

.upload-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.edit-controls {
  display: flex;
  gap: 8px;
}

.btn.small {
  padding: 6px 8px;
  font-size: 12px;
}

.mobile-section {
  display: block;
}

.mobile-footer {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: #1a2634;
  padding: 10px;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
  z-index: 100;
  display: none;
  justify-content: space-around;
}

.mobile-action {
  flex: 1;
  margin: 0 5px;
  padding: 12px 5px;
}

/* 移动端适配 */
@media (max-width: 768px) {
  body {
    padding: 10px 0 70px 0; /* 底部添加空间，为固定底栏留出位置 */
  }
  
  header {
    flex-direction: column;
    padding: 0 15px;
    margin-bottom: 15px;
    text-align: center;
  }
  
  .brand {
    margin-bottom: 10px;
  }
  
  .credits {
    align-items: center;
  }
  
  .container {
    padding: 0 10px;
    gap: 15px;
  }
  
  .card {
    padding: 15px;
  }
  
  .mobile-tabs {
    display: flex;
  }
  
  .mobile-section {
    display: none;
  }
  
  .mobile-section.active {
    display: block;
  }
  
  .mobile-footer {
    display: flex;
  }
  
  .controls-card {
    margin-bottom: 50px;
  }
  
  /* 隐藏桌面版操作按钮，使用移动版底部操作栏 */
  .controls-card .action-buttons .btn.primary,
  .controls-card .action-buttons .btn.secondary {
    display: none;
  }
  
  .cropit-preview {
    width: 300px;
    height: 300px;
  }
  
  .first {
    top: 150px;
  }
  
  .second {
    left: 150px;
  }
  
  input[type="range"].cropit-image-zoom-input {
    width: 150px;
  }
  
  .action-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  
  .btn {
    width: 100%;
    padding: 12px;
  }
  
  #canvas {
    max-width: 100%;
    height: auto;
  }
}

/* 小型手机适配 */
@media (max-width: 480px) {
  .cropit-preview {
    width: 250px;
    height: 250px;
  }
  
  .first {
    top: 125px;
  }
  
  .second {
    left: 125px;
  }
  
  .mobile-tab {
    font-size: 13px;
    padding: 10px 5px;
  }
  
  .btn {
    font-size: 13px;
    padding: 10px;
  }
  
  .editor-form {
    gap: 10px;
  }
  
  .placeholder-content {
    font-size: 12px;
  }
  
  .placeholder-content i {
    font-size: 36px;
  }
  
  .preview-header h3 {
    font-size: 16px;
  }
  
  .preview-header p {
    font-size: 12px;
  }
  
  .modal-content {
    width: 95%;
    padding: 15px;
  }
}

/* 触摸屏优化 */
@media (hover: none) {
  .card:hover {
    transform: none;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  }
  
  .btn:hover {
    transform: none;
    background-color: #3c5273;
  }
  
  .btn.primary:hover {
    background-color: #f95959;
  }
  
  .btn.secondary:hover {
    background-color: #2c3e50;
  }
  
  .upload-btn {
    padding: 12px 16px;
  }
  
  input[type="range"].cropit-image-zoom-input::-webkit-slider-thumb {
    height: 20px;
    width: 20px;
  }
  
  .form-control {
    padding: 10px 12px;
  }
  
  select.form-control {
    background-position: right 15px top 50%;
  }
}