:root {
    --font-family-base: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    --font-family-heading: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;

    --color-primary: #355CFF;
    --color-primary-hover: #264FFF;
    --color-primary-light: #E7ECFF;
    --color-secondary: #6C7DFF;
    --color-success: #2BBC96;
    --color-warning: #FFB547;
    --color-danger: #FF6B6B;

    --color-text-strong: #161A34;
    --color-text-regular: #2F3655;
    --color-text-secondary: #6C7293;
    --color-text-muted: #9DA3C2;

    --color-body-bg: #F5F7FB;
    --color-panel-bg: #FFFFFF;
    --color-panel-secondary-bg: #F1F4FF;
    --color-border: #E4E6F1;
    --color-divider: #EEF0F7;

    --shadow-sm: 0 6px 18px rgba(44, 56, 130, 0.08);
    --shadow-md: 0 16px 48px rgba(28, 52, 144, 0.12);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;

    --transition-base: all 0.25s ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    font-family: var(--font-family-base);
    color: var(--color-text-regular);
    background-color: var(--color-body-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-primary);
    transition: var(--transition-base);
}

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

/* 布局与框架 */
.layui-layout-admin {
    background: var(--color-body-bg);
}

.layui-layout-admin .layui-header {
    height: 62px;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(16px);
    box-shadow: 0 2px 10px rgba(46, 57, 117, 0.08);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-regular);
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 28px;
    gap: 24px;
}

.app-header__brand {
    display: flex;
    align-items: center;
    gap: 18px;
}

.app-header__logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 20px;
    color: var(--color-text-strong);
}

.app-header__logo-mark {
    width: 38px;
    height: 38px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(53, 92, 255, 0.95), rgba(108, 125, 255, 0.95));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    box-shadow: 0 10px 24px rgba(53, 92, 255, 0.25);
}

.app-header__meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.app-header__meta span:first-child {
    font-size: 12px;
    color: var(--color-text-secondary);
    letter-spacing: 0.3px;
}

.app-header__meta span:last-child {
    font-size: 14px;
    color: var(--color-text-muted);
}

.app-header__actions {
    display: flex;
    align-items: center;
    gap: 18px;
}

.app-header__state {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(248, 249, 255, 0.8);
    color: var(--color-text-secondary);
    font-size: 13px;
    box-shadow: inset 0 0 0 1px rgba(53, 92, 255, 0.12);
}

.app-header__state i {
    color: var(--color-primary);
    font-size: 16px;
}

.app-header__nav {
    display: flex;
    align-items: center;
    gap: 12px;
}

.app-header__nav .layui-nav-item > a {
    color: var(--color-text-regular) !important;
    font-weight: 500;
}

.app-header__nav .layui-nav-item > a:hover {
    color: var(--color-primary) !important;
}

.layui-layout-admin .layui-logo {
    color: var(--color-text-strong);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.layui-layout-admin .layui-header .layui-nav .layui-nav-item > a {
    color: var(--color-text-regular);
    font-weight: 500;
}

.layui-layout-admin .layui-side {
    width: 240px;
    background: linear-gradient(180deg, rgba(53, 92, 255, 0.12) 0%, rgba(53, 92, 255, 0.05) 100%);
    border-right: 1px solid rgba(53, 92, 255, 0.12);
}

.layui-layout-admin .layui-body {
    left: 240px;
}

.layui-side-scroll {
    padding: 16px 12px 24px;
}

.layui-nav-tree {
    background: transparent;
}

.layui-nav-tree .layui-nav-item > a {
    height: 46px;
    line-height: 46px;
    border-radius: var(--radius-md);
    margin: 4px 8px;
    padding: 0 18px;
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: var(--transition-base);
}

.layui-nav-tree .layui-nav-item > a:hover {
    background: rgba(53, 92, 255, 0.1);
    color: var(--color-primary);
}

.layui-nav-tree .layui-this > a,
.layui-nav-tree .layui-nav-itemed > a {
    background: linear-gradient(135deg, rgba(53, 92, 255, 0.85), rgba(108, 125, 255, 0.9));
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25);
    color: #fff !important;
}

.layui-body {
    background: transparent;
}

.layui-body > .layui-tab-content,
.layui-body > .page-wrapper {
    min-height: calc(100vh - 62px);
    padding: 24px 32px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.6));
}

.page-section {
    margin-bottom: 24px;
}

.page-section-title {
    font-weight: 600;
    font-size: 18px;
    color: var(--color-text-strong);
    margin-bottom: 16px;
}

/* 卡片与容器 */
.layui-card,
.card {
    background: var(--color-panel-bg);
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

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

.layui-card-header {
    font-weight: 600;
    font-size: 16px;
    color: var(--color-text-strong);
    border-bottom: 1px solid var(--color-divider);
    padding: 18px 24px;
}

.layui-card-body {
    padding: 24px;
}

/* 表格 */
.layui-table {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.layui-table thead tr {
    background: rgba(53, 92, 255, 0.08);
    color: var(--color-text-strong);
}

.layui-table-view .layui-table-header {
    background: rgba(53, 92, 255, 0.06);
}

.layui-table-view .layui-table-header th {
    color: var(--color-text-secondary);
}

.layui-table-view .layui-table-body tr:hover {
    background: rgba(53, 92, 255, 0.05);
}

/* 表单与输入 */
.layui-form-label {
    color: var(--color-text-secondary);
    font-weight: 500;
}

.layui-input,
.layui-select,
.layui-textarea {
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: #fff;
    box-shadow: none;
    transition: var(--transition-base);
}

.layui-input:focus,
.layui-select:focus,
.layui-textarea:focus,
.layui-input:hover,
.layui-textarea:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(53, 92, 255, 0.12);
}

.layui-form-radio > i,
.layui-form-checkbox[lay-skin=primary] > i {
    border-color: var(--color-border);
}

.layui-form-checked[lay-skin=primary] > i,
.layui-form-radioed > i {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
}

/* 按钮 */
.layui-btn {
    border-radius: var(--radius-md);
    font-weight: 600;
    letter-spacing: 0.2px;
    transition: var(--transition-base);
}

.layui-btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #fff;
    border: 0;
}

.layui-btn-primary:hover,
.layui-btn-primary:focus {
    background: linear-gradient(135deg, var(--color-primary-hover), var(--color-secondary));
    box-shadow: 0 6px 18px rgba(53, 92, 255, 0.35);
}

.layui-btn-normal {
    background: rgba(53, 92, 255, 0.12);
    color: var(--color-primary);
    border: 0;
}

.layui-btn-danger {
    background: var(--color-danger);
    border: 0;
}

.layui-badge {
    border-radius: 12px;
    font-weight: 500;
    padding: 0 10px;
}

.layui-badge-rim {
    border-color: var(--color-border);
    color: var(--color-text-secondary);
}

/* 标签页 */
.layui-tab-brief > .layui-tab-title .layui-this {
    color: var(--color-primary);
}

.layui-tab-brief > .layui-tab-title .layui-this::after,
.layui-tab-title .layui-this::after {
    border-color: var(--color-primary);
}

.layui-tab-card > .layui-tab-title {
    border-bottom-color: var(--color-border);
}

.layui-tab-card > .layui-tab-title .layui-this {
    background: rgba(53, 92, 255, 0.1);
    color: var(--color-primary);
}

/* 弹窗 */
.layui-layer {
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-md) !important;
}

.layui-layer-title {
    font-weight: 600;
    color: var(--color-text-strong);
    border-bottom: 1px solid var(--color-divider);
}

.layui-layer-btn .layui-layer-btn0 {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary)) !important;
    border: none !important;
}

/* 仪表盘常用样式 */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.summary-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 18px 18px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    min-height: 118px;
}

.summary-card::after {
    content: '';
    position: absolute;
    inset: auto -30px -30px auto;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle at center, rgba(53, 92, 255, 0.18), transparent 70%);
    transform: rotate(25deg);
}

.summary-card__label {
    color: var(--color-text-secondary);
    font-size: 14px;
    margin-bottom: 6px;
}

.summary-card__value {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text-strong);
}

.summary-card__meta {
    margin-top: 8px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(53, 92, 255, 0.1);
    color: var(--color-primary);
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
}

/* 登录页 */
.auth-body {
    min-height: 100vh;
    background: linear-gradient(135deg, #F7F9FF 0%, #EDF0FF 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
}

.auth-container {
    width: min(1100px, 100%);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 24px 60px rgba(53, 92, 255, 0.18);
    border-radius: 28px;
    padding: 48px 56px;
    position: relative;
    overflow: hidden;
}

.auth-container::before {
    content: '';
    position: absolute;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(53, 92, 255, 0.25), transparent 70%);
    top: -120px;
    right: -120px;
}

.auth-container::after {
    content: '';
    position: absolute;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(108, 125, 255, 0.22), transparent 70%);
    bottom: -150px;
    left: -150px;
}

.auth-hero {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 18px;
    color: var(--color-text-strong);
    padding-right: 12px;
}

.auth-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(53, 92, 255, 0.12);
    color: var(--color-primary);
    font-weight: 600;
    font-size: 14px;
}

.auth-hero__title {
    font-size: clamp(28px, 3.2vw, 40px);
    font-weight: 700;
    line-height: 1.25;
}

.auth-hero__subtitle {
    font-size: 16px;
    line-height: 1.75;
    color: var(--color-text-secondary);
}

.auth-hero__features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 16px;
    color: var(--color-text-secondary);
    font-size: 14px;
}

.auth-hero__features span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.auth-hero__illustration {
    margin-top: 12px;
    padding: 18px;
    border-radius: 20px;
    background: var(--color-panel-secondary-bg);
    box-shadow: inset 0 0 0 1px rgba(53, 92, 255, 0.06);
}

.auth-panel {
    position: relative;
    z-index: 1;
    background: rgba(255, 255, 255, 0.96);
    border-radius: 22px;
    padding: 42px 36px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(255, 255, 255, 0.48);
}

.auth-panel__title {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-text-strong);
    margin-bottom: 6px;
}

.auth-panel__subtitle {
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.auth-panel .layui-form-item {
    margin-bottom: 22px;
}

.auth-panel .layui-input {
    height: 46px;
    background: rgba(248, 249, 255, 0.9);
}

.auth-panel .layui-btn {
    height: 48px;
    font-size: 16px;
}

.auth-panel__links {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    margin-top: 14px;
    color: var(--color-text-secondary);
}

.auth-panel__footer {
    margin-top: 28px;
    text-align: center;
    font-size: 12px;
    color: var(--color-text-muted);
}

.auth-badge-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--color-primary);
    cursor: pointer;
}

.auth-badge-link i {
    font-size: 12px;
}

@media (max-width: 992px) {
    .auth-container {
        padding: 40px 36px;
    }
}

@media (max-width: 768px) {
    .auth-body {
        padding: 32px 18px;
    }

    .auth-container {
        padding: 32px;
    }

    .auth-panel {
        padding: 32px 26px;
    }

    .layui-layout-admin .layui-side {
        width: 210px;
    }
}

@media (max-width: 576px) {
    .auth-container {
        padding: 28px 22px;
    }

    .auth-panel {
        padding: 28px 20px;
    }

    .auth-panel__title {
        font-size: 22px;
    }
}