/* 通用样式 */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background: #f0f0f0;
}

/* 登录页 */
.login-box {
    max-width: 400px;
    margin: 100px auto;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    text-align: center;
}

.login-box input {
    width: 100%;
    padding: 12px;
    margin: 15px 0;
    border: 2px solid #4CAF50;
    border-radius: 25px;
    font-size: 16px;
}

.login-box button {
    padding: 12px 30px;
    background: #4CAF50;
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 16px;
}

/* 主页面 */
.container {
    max-width: 800px;
    margin: 0 auto;
}

.search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

#mediaPlayer {
    width: 100%;
    height: 60vh;
    border-radius: 15px;
    background: black;
}

.controls {
    margin-top: 20px;
    text-align: center;
}

button {
    padding: 10px 20px;
    margin: 0 5px;
    background: #2196F3;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

@media (max-width: 600px) {
    #mediaPlayer {
        height: 50vh;
    }
    
    button {
        padding: 15px;
        font-size: 16px;
    }
}

/* 公告栏样式 */
.announcement {
  background: #fff3d8;
  padding: 12px;
  border-radius: 8px;
  margin: 15px;
  display: flex;
  align-items: center;
  border: 2px solid #ffd700;
}

.icon {
  margin-right: 10px;
  font-size: 20px;
}

/* 视频备注样式 */
#noteContainer {
  margin: 20px;
  padding: 15px;
  background: #f8f9fa;
  border-radius: 10px;
  border: 1px solid #ddd;
}

.note-title {
  font-weight: bold;
  color: #666;
  margin-bottom: 10px;
}

#mediaNote {
  color: #444;
  line-height: 1.6;
}

.hidden {
  display: none !important;
}