/**
 * Windows XP 00年代渐变浅蓝风格CSS
 */

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", "SimSun", Arial, sans-serif;
    font-size: 12px;
    background: linear-gradient(180deg, #B8D4F0 0%, #7BA7D9 100%);
    background-attachment: fixed;
    color: #000;
    min-height: 100vh;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 标题栏 */
.title-bar {
    background: linear-gradient(180deg, #E8F4FD 0%, #B8D4F0 100%);
    border: 2px outset #B8D4F0;
    padding: 10px 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.title-bar h1 {
    font-size: 18px;
    font-weight: bold;
    color: #1E3A8A;
    text-shadow: 1px 1px 1px rgba(255,255,255,0.5);
}

/* 按钮样式 - XP风格 */
.btn {
    display: inline-block;
    padding: 6px 16px;
    font-size: 12px;
    font-weight: bold;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    border: 2px outset #B8D4F0;
    background: linear-gradient(180deg, #E8F4FD 0%, #B8D4F0 50%, #7BA7D9 100%);
    color: #000;
    border-radius: 3px;
    box-shadow: 0 2px 3px rgba(0,0,0,0.2);
    transition: all 0.1s;
}

.btn:hover {
    background: linear-gradient(180deg, #F0F8FF 0%, #C8E0F8 50%, #8BB5E8 100%);
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.btn:active {
    border: 2px inset #B8D4F0;
    background: linear-gradient(180deg, #7BA7D9 0%, #B8D4F0 50%, #E8F4FD 100%);
    box-shadow: inset 0 2px 3px rgba(0,0,0,0.3);
}

.btn-primary {
    background: linear-gradient(180deg, #4A90E2 0%, #2E5C8A 100%);
    color: #fff;
    border-color: #2E5C8A;
}

.btn-primary:hover {
    background: linear-gradient(180deg, #5BA0F2 0%, #3E6C9A 100%);
}

.btn-danger {
    background: linear-gradient(180deg, #E84A4A 0%, #A82A2A 100%);
    color: #fff;
    border-color: #A82A2A;
}

.btn-danger:hover {
    background: linear-gradient(180deg, #F85A5A 0%, #B83A3A 100%);
}

.btn-success {
    background: linear-gradient(180deg, #4CAF50 0%, #2E7D32 100%);
    color: #fff;
    border-color: #2E7D32;
}

.btn-success:hover {
    background: linear-gradient(180deg, #5CBF60 0%, #3E8D42 100%);
}

/* 输入框样式 */
input[type="text"],
input[type="password"],
input[type="number"],
input[type="email"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 6px 8px;
    font-size: 12px;
    border: 2px inset #B8D4F0;
    background: #F8F8F8;
    border-radius: 3px;
    color: #000;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #4A90E2;
    background: #FFF;
    box-shadow: 0 0 5px rgba(74, 144, 226, 0.3);
}

/* 表单样式 */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #1E3A8A;
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row .form-group {
    flex: 1;
}

/* 卡片/面板样式 */
.card {
    background: linear-gradient(180deg, #F0F8FF 0%, #E8F4FD 100%);
    border: 2px outset #B8D4F0;
    border-radius: 4px;
    padding: 15px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card-header {
    font-size: 14px;
    font-weight: bold;
    color: #1E3A8A;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #B8D4F0;
}

/* 表格样式 */
.table {
    width: 100%;
    border-collapse: collapse;
    background: #FFF;
    border: 2px inset #B8D4F0;
    margin-bottom: 20px;
}

.table th {
    background: linear-gradient(180deg, #B8D4F0 0%, #7BA7D9 100%);
    padding: 8px;
    text-align: left;
    font-weight: bold;
    color: #000;
    border: 1px solid #5A8AB8;
}

.table td {
    padding: 8px;
    border: 1px solid #B8D4F0;
    background: #FFF;
}

.table tr:nth-child(even) td {
    background: #F0F8FF;
}

.table tr:hover td {
    background: #E8F4FD;
}

/* 导航栏 */
.navbar {
    background: linear-gradient(180deg, #E8F4FD 0%, #B8D4F0 100%);
    border: 2px outset #B8D4F0;
    padding: 10px;
    margin-bottom: 20px;
    border-radius: 4px;
}

.navbar ul {
    list-style: none;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.navbar li a {
    display: block;
    padding: 6px 12px;
    text-decoration: none;
    color: #000;
    background: linear-gradient(180deg, #F0F8FF 0%, #E8F4FD 100%);
    border: 2px outset #B8D4F0;
    border-radius: 3px;
    font-weight: bold;
}

.navbar li a:hover {
    background: linear-gradient(180deg, #FFF 0%, #F0F8FF 100%);
}

.navbar li a.active {
    background: linear-gradient(180deg, #7BA7D9 0%, #B8D4F0 100%);
    color: #000;
    border: 2px inset #B8D4F0;
}

/* 侧边栏 */
.sidebar {
    width: 200px;
    float: left;
    background: linear-gradient(180deg, #F0F8FF 0%, #E8F4FD 100%);
    border: 2px outset #B8D4F0;
    border-radius: 4px;
    padding: 15px;
    margin-right: 20px;
}

.sidebar ul {
    list-style: none;
}

.sidebar li {
    margin-bottom: 5px;
}

.sidebar li a {
    display: block;
    padding: 8px 12px;
    text-decoration: none;
    color: #000;
    background: linear-gradient(180deg, #FFF 0%, #F0F8FF 100%);
    border: 1px solid #B8D4F0;
    border-radius: 3px;
}

.sidebar li a:hover {
    background: linear-gradient(180deg, #E8F4FD 0%, #B8D4F0 100%);
}

.sidebar li a.active {
    background: linear-gradient(180deg, #7BA7D9 0%, #B8D4F0 100%);
    color: #000;
    font-weight: bold;
}

/* 主内容区 */
.main-content {
    margin-left: 220px;
}

/* 消息提示 */
.alert {
    padding: 10px 15px;
    margin-bottom: 20px;
    border: 2px outset #B8D4F0;
    border-radius: 4px;
}

.alert-success {
    background: linear-gradient(180deg, #D4EDDA 0%, #C3E6CB 100%);
    border-color: #4CAF50;
    color: #155724;
}

.alert-danger {
    background: linear-gradient(180deg, #F8D7DA 0%, #F5C6CB 100%);
    border-color: #E84A4A;
    color: #721C24;
}

.alert-info {
    background: linear-gradient(180deg, #D1ECF1 0%, #BEE5EB 100%);
    border-color: #4A90E2;
    color: #0C5460;
}

.alert-warning {
    background: linear-gradient(180deg, #FFF3CD 0%, #FFEAA7 100%);
    border-color: #FFC107;
    color: #856404;
}

/* 分页 */
.pagination {
    display: flex;
    gap: 5px;
    margin-top: 20px;
}

.pagination a,
.pagination span {
    display: block;
    padding: 6px 12px;
    text-decoration: none;
    color: #000;
    background: linear-gradient(180deg, #F0F8FF 0%, #E8F4FD 100%);
    border: 2px outset #B8D4F0;
    border-radius: 3px;
}

.pagination a:hover {
    background: linear-gradient(180deg, #FFF 0%, #F0F8FF 100%);
}

.pagination .active {
    background: linear-gradient(180deg, #7BA7D9 0%, #B8D4F0 100%);
    border: 2px inset #B8D4F0;
    font-weight: bold;
}

/* 清除浮动 */
.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

/* 响应式 */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        float: none;
        margin-right: 0;
        margin-bottom: 20px;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .form-row {
        flex-direction: column;
    }
}