/* ===================================
   基础布局样式
   =================================== */

/* 全局盒模型修复 - 确保 padding 和 border 包含在 width 内 */
*, *::before, *::after {
  box-sizing: border-box;
}

/* 确保所有输入框使用 border-box */
input, textarea, select, button {
  box-sizing: border-box;
}

body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding-left: 20px;
  padding-right: 20px;
  background-color: #f4f7f9;
  color: #333;
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
  display: flex;
  max-width: 1400px;
  margin: 20px auto;
  padding-left: 0;
  padding-right: 0;
  margin-top: 10px;
}

aside {
  width: 200px;
  padding: 20px;
}

/* 禁用的输入框样式 */
input:disabled {
  background-color: #f5f5f5;
  color: #aaa;
  cursor: not-allowed;
  border: 1px solid #ddd;
}

input[type="text"]:disabled,
select:disabled,
textarea:disabled {
  background-color: #f2f2f2 !important;
  color: #999 !important;
  cursor: not-allowed !important;
}

/* 页脚样式 */
footer {
  text-align: center;
  padding: 1em 0;
  background-color: #eee;
  color: #777;
  border-top: 1px solid #ddd;
  margin-top: 20px;
  clear: both;
}

/* 加载动画 */
.loading-animation {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 20px auto;
}

.spinner {
  display: none;
}

/* 链接样式 */
#select-file-link {
  color: #3498db !important;
  cursor: pointer;
  text-decoration: underline;
  font-weight: bold;
  transition: color 0.3s;
}

#select-file-link:hover {
  color: #2572a4 !important;
}

/* 通用卡片样式 */
.card {
  background-color: white;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  padding: 25px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: 0 8px 16px rgba(0,0,0,0.12);
}

/* 图像容器基础样式 */
.image-container {
  position: relative;
  margin: 0 auto;
  max-width: 100%;
  text-align: center;
}

.image-container img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* 字幕列表样式 */
.subtitle-list {
  list-style-type: none;
  padding: 0;
}

.subtitle-list li {
  margin-bottom: 10px;
  padding: 10px;
  background-color: #f0f0f0;
  border-radius: 5px;
}

.subtitle-list li:hover {
  background-color: #e0e0e0;
}

.subtitle-list li.active {
  background-color: #d0d0d0;
  font-weight: bold;
}

/* 关键帧动画 */
@keyframes fadeIn {
  from {opacity: 0}
  to {opacity: 1}
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(53, 152, 219, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 5px rgba(53, 152, 219, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(53, 152, 219, 0); }
}

@keyframes move {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 30px 30px;
  }
}