@font-face {
  font-family: 'DejaVuSerif';
  src: url('../../DejaVuSerif.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: 'OpenSans';
  src: url('../../Open-Sans-2.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: 'Riwaya';
  src: url('../../29lt-riwaya-regular.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

:root {
  --color-bg: #ffffff;
  --color-card-bg: #f8f9fa;
  --color-card-elevated-bg: #ffffff;
  --color-border-subtle: rgba(0, 0, 0, 0.08);
  --color-border-strong: rgba(0, 0, 0, 0.16);
  --color-border-active: #4A90E2;
  --color-brand: #4A90E2;
  --color-text-main: #1a1a1a;
  --color-text-muted: rgba(0, 0, 0, 0.64);
  --color-text-soft: rgba(0, 0, 0, 0.4);
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.1);
  --radius-card: 24px;
  --radius-icon: 16px;
  --transition-fast: 0.25s cubic-bezier(0.22, 0.61, 0.36, 1);
  --transition-normal: 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

body {
  font-family: 'Arial', sans-serif;
  background: #ffffff;
  color: var(--color-text-main);
  min-height: 100vh;
  display: flex;
  -webkit-font-smoothing: antialiased;
}

/* 左侧选择面板 */
.sidebar {
  width: 300px;
  background: var(--color-card-bg);
  backdrop-filter: blur(18px);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  padding: 20px;
  border-right: 1px solid var(--color-border-subtle);
  overflow-y: auto;
  max-height: 100vh;
  position: relative;
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal), background-color var(--transition-normal);
}

/* 侧边栏自定义滚动条：细长、暗色轨道 + 红色霓虹滑块 */
.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
  background: linear-gradient(to bottom, rgba(74, 144, 226, 0.6), rgba(74, 144, 226, 0.15));
  border-radius: 999px;
  box-shadow: 0 0 10px rgba(74, 144, 226, 0.5);
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(to bottom, rgba(74, 144, 226, 0.9), rgba(74, 144, 226, 0.3));
  box-shadow: 0 0 16px rgba(74, 144, 226, 0.8);
}

.sidebar::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at top, rgba(74, 144, 226, 0.6), rgba(59, 130, 246, 0.3), transparent 60%);
  opacity: 0;
  filter: blur(32px);
  transform: translate3d(0, 10px, 0);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  z-index: -1;
}

.sidebar:hover {
  transform: translateY(-4px);
  border-right-color: var(--color-border-active);
  box-shadow: var(--shadow-soft);
}

.sidebar:hover::before {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.sidebar h2 {
  color: var(--color-text-main);
  margin-bottom: 20px;
  text-align: center;
  font-size: 18px;
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

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

.country-title {
  font-size: 16px;
  font-weight: bold;
  color: var(--color-text-main);
  margin-bottom: 10px;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.02);
  border-radius: 999px;
  border: 1px solid var(--color-border-subtle);
  text-align: center;
  cursor: pointer;
  user-select: none;
  transition: border-color var(--transition-normal), background-color var(--transition-normal), color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.country-title:hover {
  background: rgba(74, 144, 226, 0.04);
  border-color: var(--color-border-active);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.expand-icon {
  font-size: 12px;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-subtle);
  background: rgba(0, 0, 0, 0.02);
  color: var(--color-text-soft);
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  transition:
    transform var(--transition-normal),
    border-color var(--transition-normal),
    background-color var(--transition-normal),
    color var(--transition-normal),
    box-shadow var(--transition-normal);
}

.country-title.collapsed .expand-icon {
  transform: rotate(-90deg);
}

.country-title:hover .expand-icon {
  border-color: var(--color-border-active);
  background: rgba(74, 144, 226, 0.18);
  color: var(--color-border-active);
  box-shadow: 0 0 20px rgba(74, 144, 226, 0.65);
}

.vip-grid {
  display: grid;
  /* 默认一行显示 4 个按钮 */
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  opacity: 0;
  margin-bottom: 0;
  padding: 0;
}

.vip-grid.expanded {
  /* 调大高度，配合更紧凑的按钮，保证 VIP1-10 都能完全显示 */
  max-height: 220px;
  opacity: 1;
  margin-bottom: 10px;
  padding: 5px 0;
}

/* 批次内容容器 */
.batch-content {
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  opacity: 0;
  margin-bottom: 0;
  padding: 0;
}

.batch-content.expanded {
  max-height: 2000px;
  opacity: 1;
  margin-bottom: 10px;
  padding: 5px 0;
}

/* 嵌套的country-section */
.nested-section {
  margin-left: 20px;
  margin-top: 5px;
  margin-bottom: 5px;
}

.nested-section .country-title {
  font-size: 0.9em;
  padding: 8px 12px;
}

.vip-btn {
  /* 缩小按钮整体尺寸，让文字显示更加完整 */
  padding: 6px 6px;
  border: 1px solid var(--color-border-subtle);
  border-radius: 999px;
  background: #2d2d2d;
  cursor: pointer;
  transition: border-color var(--transition-normal), background-color var(--transition-normal), color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  color: #ffffff;
}

.vip-btn:hover {
  border-color: var(--color-border-active);
  background: #3d3d3d;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.vip-btn.active {
  background: radial-gradient(circle at top left, rgba(74, 144, 226, 0.6), rgba(59, 130, 246, 0.4), #2d2d2d);
  color: #ffffff;
  border-color: var(--color-border-active);
  box-shadow: 0 10px 28px rgba(74, 144, 226, 0.3);
}

/* 主内容区域 */
.main-content {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.content-wrapper {
  display: flex;
  width: 100%;
  max-width: 1400px;
  gap: 20px;
  align-items: flex-start;
}

/* 中间控制面板 */
.controls-panel {
  width: 300px;
  flex-shrink: 0;
}

.controls {
  background: var(--color-card-elevated-bg);
  padding: 20px;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border-subtle);
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  backdrop-filter: blur(18px);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal), background-color var(--transition-normal);
}

.controls::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at top, rgba(74, 144, 226, 0.55), rgba(59, 130, 246, 0.3), transparent 60%);
  opacity: 0;
  filter: blur(32px);
  transform: translate3d(0, 10px, 0);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  z-index: -1;
}

.controls:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-active);
  box-shadow: var(--shadow-soft);
}

.controls:hover::before {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.controls h3 {
  color: var(--color-text-main);
  margin-bottom: 20px;
  text-align: center;
  font-size: 18px;
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: 10px;
}

.control-section {
  margin-bottom: 20px;
  padding: 15px;
  background: rgba(0, 0, 0, 0.02);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border-subtle);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal), background-color var(--transition-normal);
}

.control-section h4 {
  color: var(--color-text-main);
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 600;
}

.control-section:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-active);
  background: rgba(74, 144, 226, 0.02);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.7);
}

/* UID 设置布局 */
.uid-row {
  display: block;
}

.uid-arrows {
  display: grid;
  grid-template-columns: repeat(3, 26px);
  grid-template-rows: repeat(3, 26px);
  gap: 4px;
  align-items: center;
  justify-items: center;
}

.uid-arrow {
  padding: 0;
  width: 26px;
  height: 26px;
  font-size: 0; /* 隐藏文字，使用图标样式 */
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.uid-arrow-up {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
}

.uid-arrow-left {
  grid-column: 1 / 2;
  grid-row: 2 / 3;
}

.uid-arrow-right {
  grid-column: 3 / 4;
  grid-row: 2 / 3;
}

.uid-arrow-down {
  grid-column: 2 / 3;
  grid-row: 3 / 4;
}

/* 使用 CSS 画箭头图标，统一颜色风格 */
.uid-arrow::before {
  content: "";
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
}

.uid-arrow-up::before {
  border-width: 0 8px 12px 8px;
  border-color: transparent transparent #ffffff transparent;
}

.uid-arrow-down::before {
  border-width: 12px 8px 0 8px;
  border-color: #ffffff transparent transparent transparent;
}

.uid-arrow-left::before {
  border-width: 8px 12px 8px 0;
  border-color: transparent #ffffff transparent transparent;
}

.uid-arrow-right::before {
  border-width: 8px 0 8px 12px;
  border-color: transparent transparent transparent #ffffff;
}

.button-group {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

/* 放大UID / 缩小UID 垂直排列在左侧 */
.uid-size-buttons {
  flex-direction: column;
  align-items: flex-start;
}

/* 放大/缩小 在左边，十字键在右边 */
.uid-controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 6px;
}

/* 头像控制布局 */
.avatar-controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 6px;
}

.avatar-size-buttons {
  flex-direction: column;
  align-items: flex-start;
}

.avatar-arrows {
  display: grid;
  grid-template-columns: repeat(3, 26px);
  grid-template-rows: repeat(3, 26px);
  gap: 4px;
  align-items: center;
  justify-items: center;
}

.avatar-arrow {
  padding: 0;
  width: 26px;
  height: 26px;
  font-size: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.avatar-arrow-up {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
}

.avatar-arrow-left {
  grid-column: 1 / 2;
  grid-row: 2 / 3;
}

.avatar-arrow-right {
  grid-column: 3 / 4;
  grid-row: 2 / 3;
}

.avatar-arrow-down {
  grid-column: 2 / 3;
  grid-row: 3 / 4;
}

.avatar-arrow::before {
  content: "";
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
}

.avatar-arrow-up::before {
  border-width: 0 8px 12px 8px;
  border-color: transparent transparent #ffffff transparent;
}

.avatar-arrow-down::before {
  border-width: 12px 8px 0 8px;
  border-color: #ffffff transparent transparent transparent;
}

.avatar-arrow-left::before {
  border-width: 8px 12px 8px 0;
  border-color: transparent #ffffff transparent transparent;
}

.avatar-arrow-right::before {
  border-width: 8px 0 8px 12px;
  border-color: transparent transparent transparent #ffffff;
}

/* 姓名控制布局 */
.name-row {
  display: block;
}

.name-controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 6px;
}

.name-size-buttons {
  flex-direction: column;
  align-items: flex-start;
}

.name-arrows {
  display: grid;
  grid-template-columns: repeat(3, 26px);
  grid-template-rows: repeat(3, 26px);
  gap: 4px;
  align-items: center;
  justify-items: center;
}

.name-arrow {
  padding: 0;
  width: 26px;
  height: 26px;
  font-size: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.name-arrow-up {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
}

.name-arrow-left {
  grid-column: 1 / 2;
  grid-row: 2 / 3;
}

.name-arrow-right {
  grid-column: 3 / 4;
  grid-row: 2 / 3;
}

.name-arrow-down {
  grid-column: 2 / 3;
  grid-row: 3 / 4;
}

.name-arrow::before {
  content: "";
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
}

.name-arrow-up::before {
  border-width: 0 8px 12px 8px;
  border-color: transparent transparent #ffffff transparent;
}

.name-arrow-down::before {
  border-width: 12px 8px 0 8px;
  border-color: #ffffff transparent transparent transparent;
}

.name-arrow-left::before {
  border-width: 8px 12px 8px 0;
  border-color: transparent #ffffff transparent transparent;
}

.name-arrow-right::before {
  border-width: 8px 0 8px 12px;
  border-color: transparent transparent transparent #ffffff;
}

.upload-tip {
  color: var(--color-text-soft);
  font-size: 12px;
  font-style: italic;
  margin-top: 4px;
  display: block;
}

/* 右侧预览面板 */
.preview-panel {
  flex: 1;
  min-width: 0;
}

.preview-container {
  background: var(--color-card-elevated-bg);
  padding: 20px;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border-subtle);
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  backdrop-filter: blur(18px);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal), background-color var(--transition-normal);
}

.preview-container::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at top, rgba(74, 144, 226, 0.55), rgba(59, 130, 246, 0.3), transparent 60%);
  opacity: 0;
  filter: blur(32px);
  transform: translate3d(0, 10px, 0);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  z-index: -1;
}

.preview-container:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-active);
  box-shadow: var(--shadow-soft);
}

.preview-container:hover::before {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: 10px;
  gap: 16px;
}

.preview-meta {
  flex: 1;
  min-width: 0;
}

.preview-container h3 {
  color: var(--color-text-main);
  margin: 0;
  font-size: 18px;
}

.cache-status-panel {
  margin-top: 18px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--color-border-subtle);
  background: rgba(0, 0, 0, 0.02);
}

.cache-status-panel.is-complete {
  border-color: rgba(46, 160, 67, 0.28);
  background: rgba(46, 160, 67, 0.08);
}

.cache-status-panel.has-failures:not(.is-complete) {
  border-color: rgba(217, 119, 6, 0.25);
  background: rgba(217, 119, 6, 0.08);
}

.cache-status-top,
.cache-status-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.cache-status-title,
.cache-count,
.cache-percent {
  color: var(--color-text-main);
  font-size: 13px;
  font-weight: 600;
}

.cache-progress-track {
  width: 100%;
  height: 8px;
  margin: 10px 0 8px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.cache-progress-bar {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #4a90e2 0%, #2ea043 100%);
  transition: width 0.3s ease;
}

.cache-stage-text {
  margin: 8px 0 0;
  color: var(--color-text-muted);
  font-size: 12px;
  line-height: 1.4;
}

.fast-mode-float {
  position: fixed;
  right: 20px;
  bottom: 62px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 148px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(46, 160, 67, 0.2);
  background: rgba(255, 255, 255, 0.9);
  color: #1f7a34;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(12px);
  z-index: 999;
  pointer-events: none;
}

.fast-mode-float[hidden] {
  display: none;
}

.preview-buttons {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
}

.copy-btn {
  background: #2d2d2d;
  border: 1px solid rgba(74, 144, 226, 0.3);
  color: #ffffff;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.copy-btn:hover {
  background: #3d3d3d;
  border-color: rgba(74, 144, 226, 0.5);
  box-shadow: 0 4px 12px rgba(74, 144, 226, 0.4);
  transform: translateY(-2px);
}

.copy-btn:active {
  transform: translateY(0);
}

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

.preview-header .download-btn {
  background: #2d2d2d;
  border: 1px solid rgba(74, 144, 226, 0.3);
  color: #ffffff;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
  white-space: nowrap;
  margin: 0;
}

.preview-header .download-btn:hover {
  background: #3d3d3d;
  border-color: rgba(74, 144, 226, 0.5);
  box-shadow: 0 4px 12px rgba(74, 144, 226, 0.4);
  transform: translateY(-2px);
}

.preview-header .download-btn:active {
  transform: translateY(0);
}

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

.title {
  color: var(--color-text-main);
  font-size: 28px;
  margin-bottom: 20px;
  text-shadow: 0 0 24px rgba(0, 0, 0, 0.1);
}

#canvasContainer {
  position: relative;
  display: flex;
  justify-content: center;
  background: #ffffff;
  border-radius: 18px;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  max-width: 100%;
}

canvas {
  border-radius: 8px;
  display: block;
  max-width: 350px;
  width: 100%;
  height: auto;
}

/* 切分显示容器 */
.canvas-split-container {
  display: flex;
  gap: 10px;
  width: 100%;
  justify-content: center;
  align-items: flex-start;
  padding: 10px;
}

.canvas-split-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  max-width: 500px;
}

.canvas-split-item canvas {
  border-radius: 8px;
  display: block;
  max-width: 100%;
  width: 100%;
  height: auto;
  cursor: move;
}

.canvas-label {
  margin-top: 8px;
  font-size: 12px;
  color: var(--color-text-soft);
  text-align: center;
}

.input-row {
  margin-bottom: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label {
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: 14px;
}

input[type="text"], input[type="file"] {
  padding: 8px 12px;
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  font-size: 14px;
  background: #ffffff;
  color: var(--color-text-main);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-normal), transform var(--transition-normal);
}

/* 自定义“选择文件”按钮，符合整体霓虹卡片风格 */
input[type="file"]::-webkit-file-upload-button,
input[type="file"]::file-selector-button {
  padding: 6px 14px;
  margin-right: 10px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.2);
  background: #2d2d2d;
  color: #ffffff;
  font-weight: 600;
  font-size: 12px;
  cursor: pointer;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal), background-color var(--transition-normal), color var(--transition-normal);
}

input[type="file"]::-webkit-file-upload-button:hover,
input[type="file"]::file-selector-button:hover {
  transform: translateY(-2px) scale(1.03);
  border-color: var(--color-border-active);
  background: #3d3d3d;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2), 0 0 28px rgba(74, 144, 226, 0.4);
}

input[type="text"]:focus, input[type="file"]:focus {
  outline: none;
  border-color: var(--color-border-active);
  box-shadow: 0 0 0 1px rgba(74, 144, 226, 0.6), 0 0 24px rgba(74, 144, 226, 0.4);
  transform: translateY(-1px);
}

button {
  padding: 8px 16px;
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
  color: #ffffff;
  background: #2d2d2d;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), background-position var(--transition-normal), transform var(--transition-normal), background-color var(--transition-normal), color var(--transition-normal);
  font-size: 14px;
}

button:hover {
  transform: translateY(-2px);
  border-color: var(--color-border-active);
  background: #3d3d3d;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2), 0 0 32px rgba(74, 144, 226, 0.4);
}

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

.coords {
  margin-top: 15px;
  font-size: 14px;
  color: var(--color-text-soft);
  background: rgba(0, 0, 0, 0.02);
  padding: 10px;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border-subtle);
}

.download-btn {
  background: #2d2d2d;
  color: #ffffff;
  padding: 12px 24px;
  font-size: 16px;
  margin-top: 10px;
}

.download-btn:hover {
  background: #3d3d3d;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2), 0 0 40px rgba(74, 144, 226, 0.5);
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .content-wrapper {
    flex-direction: column;
  }
  
  .controls-panel {
    width: 100%;
    margin-bottom: 20px;
  }
  
  .preview-panel {
    width: 100%;
  }
}

@media (max-width: 768px) {
  body {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
    border-radius: 0;
    max-height: 40vh;
  }
  
  /* 窄屏时一行显示 3 个按钮，保证可点区域足够大 */
  .vip-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .content-wrapper {
    padding: 10px;
  }
  
  canvas {
    max-width: 100%;
    height: auto;
  }
}

/* 免责声明样式 */
.disclaimer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-text-soft);
  padding: 10px 20px;
  font-size: 11px;
  line-height: 1.4;
  text-align: center;
  z-index: 1000;
  backdrop-filter: blur(5px);
}

.disclaimer p {
  margin: 2px 0;
}

.disclaimer strong {
  color: var(--color-text-main);
  font-size: 12px;
}

/* 版本号显示 */
.version-info {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: rgba(45, 45, 45, 0.9);
  color: #ffffff;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(10px);
  user-select: none;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.version-info:hover {
  opacity: 0.8;
}

/* 加载动画样式 */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
  border-radius: 12px;
}

.loading-spinner {
  text-align: center;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-top: 4px solid var(--color-brand);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 15px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.loading-text {
  color: var(--color-text-muted);
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}

.loading-overlay.hidden {
  display: none;
}

@media (max-width: 960px) {
  .preview-header {
    flex-direction: column;
    align-items: stretch;
  }

  .preview-buttons {
    width: 100%;
    justify-content: flex-end;
    flex-wrap: wrap;
  }
}

/* 错误提示样式 */
.error-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
  border-radius: 12px;
}

.error-content {
  text-align: center;
  padding: 30px;
  background: #ffffff;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border-subtle);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.1);
  max-width: 300px;
}

.error-icon {
  font-size: 48px;
  margin-bottom: 15px;
}

.error-title {
  color: var(--color-brand);
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 10px 0;
}

.error-message {
  color: var(--color-text-muted);
  font-size: 14px;
  margin: 0 0 20px 0;
  line-height: 1.5;
}

.retry-btn {
  background: #2d2d2d;
  color: #ffffff;
  border: 1px solid rgba(74, 144, 226, 0.3);
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.retry-btn:hover {
  background: #3d3d3d;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(74, 144, 226, 0.5);
}

.error-overlay.hidden {
  display: none;
}