/* custom.css */

/* 容器样式 */
.container {
    width: 100%;
    max-width: 600px;
    padding: 15px;
    box-sizing: border-box;
}

/* 卡片样式 */
.card {
    background-color: rgba(255, 255, 255, 0.9); /* 白色背景，带透明度 */
    border-radius: 0.25rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15); /* 阴影效果 */
}

/* 卡片标题样式 */
.card-header {
    background-color: #007bff; /* 蓝色背景 */
    color: #ffffff; /* 白色文本 */
    padding: 1rem;
    border-top-left-radius: 0.25rem;
    border-top-right-radius: 0.25rem;
    text-align: center;
}

/* 卡片主体样式 */
.card-body {
    padding: 1rem;
}

/* 表单组样式 */
.form-group {
    margin-bottom: 1rem;
}

/* 输入框样式 */
.form-control {
    width: 100%; /* 确保输入框宽度为100% */
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #ffffff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    box-sizing: border-box; /* 确保内边距和边框包含在宽度内 */
}

.form-control:focus {
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    font-weight: 400;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 0.25rem;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.btn-primary {
    color: #ffffff;
    background-color: #007bff;
    border-color: #007bff;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #004085;
}

/* 按钮块样式 */
.btn-block {
    display: block;
    width: 100%;
}