/* 简单的全局样式和移动端适配 */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  background-color: #f4f4f4;
  color: #333;
  margin: 0;
  padding: 0;
}

header {
  background-color: #333;
  color: #fff;
  padding: 1rem 0;
  text-align: center;
}

main {
  max-width: 800px;
  margin: 1rem auto;
  padding: 1rem;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

#app-info-container {
  padding: 1rem;
}

.download-button {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  font-size: 1.1rem;
  font-weight: bold;
  text-decoration: none;
  border-radius: 5px;
  color: #fff;
  text-align: center;
  transition: background-color 0.3s;
}

.download-button.android {
  background-color: #4CAF50; /* 绿色 */
}
.download-button.android:hover {
  background-color: #45a049;
}

.download-button.ios {
  background-color: #007AFF; /* 蓝色 */
}
.download-button.ios:hover {
  background-color: #0056b3;
}

.release-notes {
  margin-top: 2rem;
  background-color: #fafafa;
  border: 1px solid #eee;
  padding: 0.5rem 1rem;
  border-radius: 5px;
}

/* <pre> 标签保留换行符 */
.release-notes pre {
  white-space: pre-wrap; /* 自动换行 */
  word-wrap: break-word;
  font-family: inherit; /* 使用页面默认字体 */
}

.history-link {
  margin-top: 1.5rem;
  text-align: center;
}

.error-message, .notice {
  color: #d9534f;
  font-weight: bold;
}

footer {
  text-align: center;
  margin-top: 2rem;
  color: #777;
}


/* --- Admin 页面样式 --- */
.admin-form {
  max-width: 500px;
  margin-top: 1rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group textarea {
  width: 100%;
  padding: 8px;
  box-sizing: border-box; /* 确保 padding 不会撑大宽度 */
  border: 1px solid #ccc;
  border-radius: 4px;
}

.admin-button {
  background-color: #007AFF;
  color: white;
  padding: 10px 15px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
}

.admin-button:hover {
  background-color: #0056b3;
}

.logout-button {
  background-color: #d9534f;
  float: right;
}
.logout-button:hover {
  background-color: #c9302c;
}

/* 之前定义过的 error-message 样式也会在这里生效 */

/* 清除浮动 */
#admin-panel-section h2 {
  display: inline-block;
}
#admin-panel-section hr {
  clear: both;
  margin-top: 1.5rem;
}

/* --- Admin 表单提示信息 --- */
.message-area {
  margin-top: 10px;
  font-weight: bold;
}
/* 之前定义的 .error-message 会自动生效 */
.success-message {
  color: #4CAF50; /* 绿色 */
}

/* --- History 页面样式 --- */
.header-link {
  color: #fff;
  text-decoration: none;
}
.header-link:hover {
  text-decoration: underline;
}

.version-item {
  border-bottom: 1px solid #eee;
  margin-bottom: 1rem;
}

.version-item summary {
  font-size: 1.2rem;
  padding: 0.5rem 0;
  cursor: pointer;
  user-select: none; /* 防止双击选中文本 */
}

.version-item summary .release-date {
  font-size: 0.9rem;
  color: #777;
  font-weight: normal;
}

.release-notes-history {
  padding: 0.5rem 1rem 1rem 1.5rem; /* 左侧留出缩进 */
  border-left: 3px solid #f0f0f0;
  margin-left: 5px;
}

.release-notes-history h4 {
  margin-top: 0;
}

.release-notes-history pre {
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: inherit;
  font-size: 0.95rem;
  color: #555;
}

/* --- 新的主页样式 (方案B) --- */

.hero-section {
  text-align: center;
  margin-bottom: 2rem;
}

.last-updated {
  color: #666;
  font-size: 0.9rem;
  margin-top: -10px;
  margin-bottom: 20px;
}

.divider {
  border: 0;
  border-top: 1px solid #eee;
  margin: 2rem 0;
}

/* 时间轴/日志列表样式 */
.timeline {
  margin-top: 1rem;
}

.timeline-item {
  margin-bottom: 2rem; /* 每个版本之间的间距 */
  border-left: 3px solid #e0e0e0; /* 左侧的竖线 */
  padding-left: 15px;
  margin-left: 5px;
}

/* 最新版本高亮左侧竖线 */
.timeline-item:first-child {
  border-left-color: #4CAF50; 
}

.timeline-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.version-tag {
  font-weight: bold;
  font-size: 1.1rem;
  color: #333;
}

.timeline-header .release-date {
  font-size: 0.85rem;
  color: #888;
}

.latest-badge {
  background-color: #4CAF50;
  color: white;
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
}

.timeline-body pre {
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
  color: #555;
  line-height: 1.5;
  font-family: inherit;
}

/* --- Admin 版本管理列表 --- */
.admin-list {
  list-style: none;
  padding: 0;
}

.admin-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  border-bottom: 1px solid #eee;
  background-color: #fff;
}

.delete-btn {
  background-color: #ff3b30; /* 红色 */
  color: white;
  border: none;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
}

.delete-btn:hover {
  background-color: #d32f2f;
}