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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    overflow-x: hidden;
}

/* 东软蓝配色方案 - 浅色版 */
:root {
    --neusoft-blue: #0088cc;
    --neusoft-blue-light: #00a3e6;
    --neusoft-blue-dark: #006699;
    --neusoft-blue-lightest: #e6f3fa;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --border-color: #ddd;
    --white: #ffffff;
    --shadow: 0 4px 12px rgba(0, 136, 204, 0.15);
}

/* 页面容器 */
.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* 背景设计 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--neusoft-blue-lightest) 0%, var(--white) 100%);
    z-index: -1;
}

/* 装饰元素 */
.decoration {
    position: fixed;
    z-index: -1;
    opacity: 0.1;
}

.decoration-1 {
    top: 10%;
    left: 5%;
    width: 200px;
    height: 200px;
    background: var(--neusoft-blue);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.decoration-2 {
    top: 50%;
    right: 5%;
    width: 150px;
    height: 150px;
    background: var(--neusoft-blue-light);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
}

.decoration-3 {
    bottom: 10%;
    left: 15%;
    width: 180px;
    height: 180px;
    background: var(--neusoft-blue-dark);
    border-radius: 50%;
    animation: float 7s ease-in-out infinite 1s;
}

/* 浮动动画 */
@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

/* 登录页面样式 */
.login-container {
    max-width: 420px;
    margin: 100px auto;
    padding: 48px;
    background-color: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transform: translateY(0);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 102, 204, 0.2);
}

.login-container h2 {
    color: var(--text-color);
    font-size: 16px;
    margin-bottom: 12px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.login-container h1 {
    color: var(--neusoft-blue);
    font-size: 28px;
    margin-bottom: 36px;
    font-weight: 600;
    letter-spacing: -0.5px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 24px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 0.5px;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background-color: var(--white);
}

.form-group input:focus {
    outline: none;
    border-color: var(--neusoft-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
    background-color: var(--neusoft-blue-lightest);
}

/* 按钮样式 */
.login-btn {
    width: 100%;
    padding: 14px;
    background-color: var(--neusoft-blue);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
    margin-top: 8px;
}

.login-btn:hover {
    background-color: var(--neusoft-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.login-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(0, 102, 204, 0.2);
}

.permission-tip {
    margin-top: 24px;
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}

.permission-tip a {
    color: var(--neusoft-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.permission-tip a:hover {
    color: var(--neusoft-blue-dark);
    text-decoration: underline;
}

/* 主页面样式 */
.header {
    background-color: var(--neusoft-blue);
    color: var(--white);
    padding: 20px 40px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
}

.header h2 {
    font-size: 16px;
    margin-bottom: 8px;
    font-weight: 400;
    letter-spacing: 1px;
    opacity: 0.9;
}

.header h1 {
    font-size: 32px;
    margin-bottom: 8px;
    font-weight: 700;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.main-content {
    flex: 1;
    padding: 60px 40px;
    text-align: center;
    position: relative;
}

.dashboard-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-bottom: 40px;
    max-width: 200px;
    margin-left: auto;
    margin-right: auto;
}

.dashboard-btn {
    padding: 18px 32px;
    background-color: var(--neusoft-blue);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow);
    width: 100%;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.dashboard-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.dashboard-btn:hover::before {
    left: 100%;
}

.dashboard-btn:hover {
    background-color: var(--neusoft-blue-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 102, 204, 0.3);
}

.dashboard-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.2);
}

.dashboard-btn.home-btn {
    background-color: var(--neusoft-blue);
}

.dashboard-btn.sales-btn {
    background-color: #0088cc;
}

.dashboard-btn.marketing-btn {
    background-color: #0077b3;
}

.dashboard-btn.user-btn {
    background-color: #006699;
}

.dashboard-btn.report-btn {
    background-color: var(--neusoft-blue-dark);
}

.report-btn:hover {
    background-color: var(--neusoft-blue-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 102, 204, 0.3);
}

.report-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.2);
}

/* Power BI 容器样式 */
#powerbi-container {
    margin-top: 0;
    width: 100%;
    height: 1800px;
    overflow: auto;
    position: relative;
}

/* 报表头部样式 */
.report-header {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 15px 20px;
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--neusoft-blue-lightest);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    height: 70px;
}

.back-arrow {
    position: absolute;
    left: 20px;
    top: 15px;
    transform: none;
    width: 40px;
    height: 40px;
    background-color: var(--neusoft-blue);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 24px;
    font-weight: 900;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 12px rgba(0, 136, 204, 0.25);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.back-arrow:hover {
    background-color: var(--neusoft-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 136, 204, 0.35);
}

.report-title {
    color: var(--neusoft-blue);
    font-size: 24px;
    font-weight: 600;
    margin: 0;
    text-align: center;
    letter-spacing: -0.5px;
}

#powerbi-iframe {
    width: 100%;
    height: calc(100% - 100px);
    border: none;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

#powerbi-iframe:hover {
    box-shadow: 0 8px 24px rgba(0, 102, 204, 0.2);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .login-container {
        margin: 60px auto;
        padding: 36px;
        max-width: 90%;
    }

    .login-container h1 {
        font-size: 24px;
    }

    .login-container h2 {
        font-size: 14px;
    }

    .header {
        padding: 20px 24px;
    }

    .header h1 {
        font-size: 24px;
    }

    .header h2 {
        font-size: 14px;
    }

    .main-content {
        padding: 40px 24px;
    }

    .dashboard-buttons {
        gap: 12px;
    }

    .dashboard-btn {
        padding: 14px 24px;
        font-size: 14px;
        min-width: 120px;
    }

    .report-btn {
        padding: 16px 32px;
        font-size: 16px;
    }

    #powerbi-container {
        height: calc(100vh - 50px);
    }

    #powerbi-iframe {
        height: calc(100% - 70px);
    }

    .back-btn {
        padding: 10px 20px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .login-container {
        margin: 40px auto;
        padding: 28px;
    }

    .login-container h1 {
        font-size: 22px;
    }

    .login-container h2 {
        font-size: 13px;
    }

    .header {
        padding: 16px 20px;
    }

    .header h1 {
        font-size: 22px;
    }

    .header h2 {
        font-size: 13px;
    }

    .main-content {
        padding: 30px 20px;
    }

    .report-btn {
        padding: 14px 28px;
        font-size: 16px;
    }

    #powerbi-container {
        height: calc(100vh - 40px);
    }

    #powerbi-iframe {
        height: calc(100% - 60px);
    }

    .back-btn {
        padding: 8px 16px;
        font-size: 14px;
    }

    /* 调整装饰元素大小 */
    .decoration-1 {
        width: 120px;
        height: 120px;
    }

    .decoration-2 {
        width: 100px;
        height: 100px;
    }

    .decoration-3 {
        width: 110px;
        height: 110px;
    }
}