/* 基础样式 */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

header {
    background-color: #007bff;
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.auth-buttons button {
    margin-left: 10px;
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.container {
    display: flex;
    gap: 20px;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.left-panel {
    flex: 2;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.right-panel {
    flex: 1;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

input[type="text"], 
input[type="email"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

#editor {
    border: 1px solid #ddd;
    border-radius: 4px;
    min-height: 300px;
}

.send-btn {
    background-color: #28a745;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
}

.preview-section {
    margin-bottom: 20px;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #333;
    color: white;
}