:root {
  --primary: #FF6B35;
  --primary-dark: #E85D2C;
  --bg: #FFF8F0;
  --card: #FFFFFF;
  --text: #2D2D2D;
  --text-secondary: #888;
  --border: #F0E0D0;
  --success: #22C55E;
  --accent: #FFD166;
  --hot: #EF476F;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --transition: 0.2s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

.navbar {
  background: var(--card);
  border-bottom: 2px solid var(--accent);
  padding: 0 20px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(255,107,53,0.08);
}

.navbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  height: 60px;
  gap: 4px;
  overflow-x: auto;
  white-space: nowrap;
}

.nav-logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  margin-right: 20px;
  text-decoration: none;
}

.nav-link {
  padding: 6px 14px;
  border-radius: 20px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition);
}

.nav-link:hover { background: #FFF0E8; color: var(--primary); }

.nav-link.active {
  background: var(--primary);
  color: #fff;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.tool-card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px;
  margin-bottom: 24px;
}

.tool-title {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}

.tool-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  border: none;
  border-radius: 25px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(255,107,53,0.3); }

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover { background: #FFF0E8; }

.btn-sm { padding: 6px 16px; font-size: 13px; }

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

/* 上传区 */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: #FFFAF5;
}

.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--primary);
  background: #FFF0E8;
}

.upload-icon { font-size: 48px; margin-bottom: 12px; display: block; }

.upload-text { font-size: 16px; font-weight: 600; margin-bottom: 6px; }

.upload-hint { font-size: 13px; color: var(--text-secondary); }

/* 表情包编辑器 */
.meme-preview {
  position: relative;
  display: inline-block;
  margin: 0 auto;
}

.meme-preview img {
  max-width: 100%;
  max-height: 450px;
  border-radius: 8px;
  display: block;
}

.meme-text-overlay {
  position: absolute;
  cursor: move;
  user-select: none;
  font-weight: 900;
  -webkit-text-stroke: 2px #000;
  paint-order: stroke fill;
  line-height: 1.2;
  text-align: center;
  white-space: pre-wrap;
}

.controls-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
  margin: 16px 0;
  padding: 16px;
  background: #FFFAF5;
  border-radius: 12px;
}

.controls-row label { font-size: 13px; font-weight: 600; color: var(--text-secondary); }

.controls-row input[type="text"] {
  padding: 8px 14px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  outline: none;
  flex: 1;
  min-width: 150px;
}

.controls-row input[type="text"]:focus { border-color: var(--primary); }

.controls-row input[type="range"] {
  -webkit-appearance: none;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  outline: none;
}

.controls-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.controls-row input[type="color"] {
  width: 36px; height: 36px;
  border: 2px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  padding: 2px;
}

/* 模板卡片 */
.template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.template-card {
  border: 2px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  background: #FAFAFA;
}

.template-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255,107,53,0.12);
}

.template-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.template-card .name {
  padding: 10px 14px;
  font-weight: 700;
  font-size: 14px;
}

/* 毒鸡汤卡片 */
.dujitang-card {
  text-align: center;
  padding: 60px 40px;
  background: linear-gradient(135deg, #FF6B35 0%, #EF476F 100%);
  border-radius: var(--radius);
  color: #fff;
  margin: 24px 0;
}

.dujitang-text {
  font-size: 24px;
  font-weight: 800;
  line-height: 1.6;
  margin-bottom: 24px;
  text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.dujitang-author {
  font-size: 14px;
  opacity: 0.8;
}

/* 图片列表 */
.image-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  margin: 24px 0;
}

.image-item {
  background: #FAFAFA;
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.image-item:hover { border-color: var(--primary); }

.image-item.active { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(255,107,53,0.15); }

.image-item img {
  width: 100%; height: 100px;
  object-fit: cover; border-radius: 6px;
}

.image-item .name {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.image-item .remove-btn {
  position: absolute; top: -6px; right: -6px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--hot);
  color: #fff; border: none;
  font-size: 12px; cursor: pointer;
  display: none;
  align-items: center; justify-content: center;
}

.image-item:hover .remove-btn { display: flex; }

/* 格式按钮 */
.format-options { display: flex; gap: 8px; flex-wrap: wrap; }

.format-btn {
  padding: 8px 20px;
  border: 2px solid var(--border);
  border-radius: 25px;
  background: #fff;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
}

.format-btn:hover { border-color: var(--primary); color: var(--primary); }

.format-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 对比区 */
.compare-area { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 24px; }

.compare-box {
  background: #FAFAFA;
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  border: 1px solid var(--border);
}

.compare-label { font-size: 13px; font-weight: 700; color: var(--text-secondary); margin-bottom: 12px; }

.compare-image { max-width: 100%; max-height: 300px; border-radius: 6px; }

.compare-info { font-size: 13px; color: var(--text-secondary); margin-top: 10px; }

.compare-info .size { font-weight: 700; color: var(--text); }

/* 水印相关 */
.watermark-preview {
  max-width: 100%; max-height: 400px;
  border-radius: 8px; border: 1px solid var(--border);
  background: repeating-conic-gradient(#f0f0f0 0% 25%, transparent 0% 50%) 50% / 20px 20px;
}

.position-grid { display: grid; grid-template-columns: repeat(3, 48px); grid-template-rows: repeat(3, 48px); gap: 4px; }

.position-cell {
  border: 2px solid var(--border); border-radius: 4px;
  cursor: pointer; transition: var(--transition);
  background: #fff;
}

.position-cell:hover { border-color: var(--primary); }

.position-cell.active { background: var(--primary); border-color: var(--primary); }

/* 动作栏 */
.action-bar { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

/* 滑块 */
.slider-group { display: flex; align-items: center; gap: 16px; margin: 20px 0; }

.slider-label { font-size: 14px; font-weight: 700; white-space: nowrap; }

.slider-value { min-width: 36px; text-align: center; font-weight: 700; color: var(--primary); }

input[type="range"] {
  flex: 1; min-width: 150px;
  -webkit-appearance: none;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

/* Toast */
.toast {
  position: fixed; top: 20px; left: 50%;
  transform: translateX(-50%);
  background: #2D2D2D; color: #fff;
  padding: 12px 24px;
  border-radius: 25px;
  font-size: 14px; font-weight: 600;
  z-index: 999;
  animation: fadeInOut 2s ease forwards;
}

@keyframes fadeInOut {
  0% { opacity: 0; transform: translateX(-50%) translateY(-10px); }
  10% { opacity: 1; transform: translateX(-50%) translateY(0); }
  80% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(-10px); }
}

.footer { text-align: center; padding: 24px; color: var(--text-secondary); font-size: 13px; }

.navbar-inner::-webkit-scrollbar { height: 0; }

@media (max-width: 768px) {
  .nav-logo { font-size: 16px; margin-right: 8px; }
  .nav-link { padding: 5px 10px; font-size: 12px; }
  .tool-card { padding: 24px; }
  .container { padding: 16px 12px 48px; }
  .compare-area { grid-template-columns: 1fr; }
  .template-grid { grid-template-columns: repeat(2, 1fr); }
  .dujitang-text { font-size: 18px; }
}