/* ============================================================
   Salumni AI - 全局公共样式
   ============================================================ */

/* ========== CSS变量 ========== */
:root {
    --color-primary: #005C45;
    --color-primary-hover: #007A5E;
    --color-primary-light: #E8F5F0;
    --color-secondary: #F8E5B3;
    --color-secondary-hover: #F0D68A;
    --color-text: #333333;
    --color-text-secondary: #666666;
    --color-text-light: #999999;
    --color-bg: #F5F6FA;
    --color-bg-white: #FFFFFF;
    --color-border: #E4E7ED;
    --color-success: #67C23A;
    --color-warning: #E6A23C;
    --color-danger: #F56C6C;
    --color-info: #909399;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

/* ========== 全局重置 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    font-family: var(--font-family);
    font-size: 14px;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--color-primary-hover);
}

/* ========== 通用工具类 ========== */
.text-primary { color: var(--color-primary) !important; }
.text-secondary { color: var(--color-text-secondary) !important; }
.text-light { color: var(--color-text-light) !important; }
.text-success { color: var(--color-success) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-bold { font-weight: 600; }

.bg-primary { background-color: var(--color-primary) !important; }
.bg-white { background-color: var(--color-bg-white) !important; }

.mt-10 { margin-top: 10px; }
.mt-15 { margin-top: 15px; }
.mt-20 { margin-top: 20px; }
.mb-10 { margin-bottom: 10px; }
.mb-15 { margin-bottom: 15px; }
.mb-20 { margin-bottom: 20px; }
.ml-10 { margin-left: 10px; }
.mr-10 { margin-right: 10px; }

.p-10 { padding: 10px; }
.p-15 { padding: 15px; }
.p-20 { padding: 20px; }

.clearfix::after {
    content: '';
    display: table;
    clear: both;
}

/* ========== 卡片组件 ========== */
.sa-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 20px;
    margin-bottom: 20px;
}

.sa-card-header {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    padding-bottom: 15px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 15px;
}

/* ========== 统计卡片 ========== */
.sa-stat-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 20px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.sa-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.sa-stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.sa-stat-card .stat-label {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-top: 8px;
}

.sa-stat-card .stat-icon {
    font-size: 36px;
    color: var(--color-primary);
    opacity: 0.2;
    position: absolute;
    right: 20px;
    top: 20px;
}

/* ========== 按钮覆盖 ========== */
.sa-btn-primary {
    background-color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
    color: #FFFFFF !important;
}

.sa-btn-primary:hover {
    background-color: var(--color-primary-hover) !important;
    border-color: var(--color-primary-hover) !important;
}

/* ========== 表格覆盖 ========== */
.sa-table .layui-table-header {
    background-color: var(--color-primary-light);
}

/* ========== 登录/注册页面 ========== */
.sa-auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, #003D2E 100%);
    padding: 20px;
}

.sa-auth-card {
    width: 420px;
    max-width: 100%;
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 40px;
}

.sa-auth-logo {
    text-align: center;
    margin-bottom: 30px;
}

.sa-auth-logo h1 {
    font-size: 28px;
    color: var(--color-primary);
    font-weight: 700;
    margin-top: 10px;
}

.sa-auth-logo p {
    color: var(--color-text-secondary);
    font-size: 14px;
    margin-top: 5px;
}

.sa-auth-form .layui-form-item {
    margin-bottom: 20px;
}

.sa-auth-form .layui-input {
    height: 44px;
    border-radius: var(--radius-sm);
}

.sa-auth-form .sa-btn-primary {
    width: 100%;
    height: 44px;
    font-size: 16px;
    border-radius: var(--radius-sm);
}

.sa-auth-footer {
    text-align: center;
    margin-top: 20px;
    color: var(--color-text-secondary);
    font-size: 13px;
}

.sa-auth-footer a {
    margin: 0 5px;
}

/* ========== 验证码行 ========== */
.sa-captcha-row {
    display: flex;
    gap: 10px;
}

.sa-captcha-row .layui-input {
    flex: 1;
}

.sa-captcha-row img {
    height: 44px;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.sa-sms-row {
    display: flex;
    gap: 10px;
}

.sa-sms-row .layui-input {
    flex: 1;
}

.sa-sms-row .layui-btn {
    white-space: nowrap;
    min-width: 120px;
}

/* ========== 后台布局 ========== */
.sa-layout {
    display: flex;
    min-height: 100vh;
}

.sa-sidebar {
    width: 220px;
    background-color: #1A1A2E;
    color: #FFFFFF;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 99;
    transition: width 0.3s;
}

.sa-sidebar-logo {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sa-sidebar-logo h2 {
    color: #FFFFFF;
    font-size: 18px;
    font-weight: 700;
}

.sa-sidebar-menu {
    padding: 10px 0;
}

.sa-sidebar-menu .menu-item {
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.sa-sidebar-menu .menu-item:hover {
    color: #FFFFFF;
    background-color: rgba(255, 255, 255, 0.08);
}

.sa-sidebar-menu .menu-item.active {
    color: #FFFFFF;
    background-color: var(--color-primary);
}

.sa-sidebar-menu .menu-item .layui-icon {
    font-size: 18px;
}

.sa-sidebar-menu .menu-group-title {
    padding: 10px 20px 5px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 12px;
    text-transform: uppercase;
}

.sa-sidebar-menu .menu-sub {
    display: none;
}

.sa-sidebar-menu .menu-sub.open {
    display: block;
}

.sa-sidebar-menu .menu-sub .menu-item {
    padding-left: 50px;
    font-size: 13px;
}

.sa-main {
    flex: 1;
    margin-left: 220px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.sa-header {
    height: 60px;
    background: var(--color-bg-white);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 98;
}

.sa-header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.sa-breadcrumb {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.sa-breadcrumb a {
    color: var(--color-text-secondary);
}

.sa-breadcrumb a:hover {
    color: var(--color-primary);
}

.sa-breadcrumb span {
    margin: 0 5px;
    color: var(--color-text-light);
}

.sa-header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.sa-content {
    flex: 1;
    padding: 20px;
}

/* ========== 状态标签 ========== */
.sa-tag {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 12px;
    line-height: 20px;
}

.sa-tag-success {
    background-color: #E8F5E9;
    color: #2E7D32;
}

.sa-tag-warning {
    background-color: #FFF3E0;
    color: #E65100;
}

.sa-tag-danger {
    background-color: #FFEBEE;
    color: #C62828;
}

.sa-tag-info {
    background-color: #E3F2FD;
    color: #1565C0;
}

.sa-tag-primary {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

/* ========== 分页 ========== */
.sa-pagination {
    text-align: center;
    margin-top: 20px;
}

/* ========== 响应式 ========== */
@media screen and (max-width: 768px) {
    .sa-auth-card {
        padding: 30px 20px;
    }

    .sa-sidebar {
        width: 0;
        overflow: hidden;
    }

    .sa-sidebar.open {
        width: 220px;
    }

    .sa-main {
        margin-left: 0;
    }
}