/* 朴素文本风格样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Courier New', monospace;
    background-color: #ffffff;
    color: #000000;
    line-height: 1.4;
    padding: 20px;
    font-size: 14px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

h1 {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 10px;
}

h2 {
    font-size: 14px;
    font-weight: bold;
    margin-top: 20px;
    margin-bottom: 10px;
}

h3 {
    font-size: 14px;
    font-weight: bold;
    margin-top: 15px;
    margin-bottom: 8px;
}

.section {
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 10px;
}

.form-group label {
    display: inline-block;
    width: 150px;
    font-weight: normal;
}

.form-group input {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    padding: 2px 4px;
    border: 1px solid #000000;
    background-color: #ffffff;
    color: #000000;
    width: 220px;
}

button {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    padding: 4px 8px;
    border: 1px solid #000000;
    background-color: #ffffff;
    color: #000000;
    cursor: pointer;
    margin-right: 8px;
}

button:hover {
    background-color: #f0f0f0;
}

.status {
    display: inline;
    font-weight: bold;
}

.status.disconnected:before { content: "[断开] "; }
.status.connecting:before { content: "[连接中] "; }
.status.connected:before { content: "[已连接] "; }

.file-drop-zone {
    border: 1px solid #000000;
    padding: 20px;
    text-align: center;
    margin: 10px 0;
    background-color: #ffffff;
}

.file-drop-zone:hover {
    background-color: #f8f8f8;
}

.transfer-item {
    border: 1px solid #000000;
    margin: 5px 0;
    padding: 10px;
    background-color: #ffffff;
}

.transfer-item h4 {
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 5px;
}

/* ASCII 进度条样式 */
.progress-bar {
    font-family: 'Courier New', monospace;
    margin: 5px 0;
}

.progress-text {
    font-family: 'Courier New', monospace;
}

.file-item {
    border: 1px solid #000000;
    margin: 5px 0;
    padding: 10px;
    background-color: #ffffff;
}

.file-item h4 {
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 5px;
}

.log-container {
    border: 1px solid #000000;
    padding: 10px;
    height: 200px;
    overflow-y: auto;
    background-color: #ffffff;
    font-family: 'Courier New', monospace;
    font-size: 12px;
}

.log-entry {
    margin-bottom: 2px;
}

.log-entry.error { font-weight: bold; }
.log-entry.success { font-style: italic; }
.log-entry.warning { text-decoration: underline; }

/* 移除所有花哨效果 */
.section {
    border: none;
    box-shadow: none;
    background: none;
}

header {
    border: none;
    box-shadow: none;
    background: none;
    text-align: left;
    padding: 0;
    margin-bottom: 20px;
}

/* 隐藏不需要的装饰元素 */
.drop-icon {
    display: none;
}