/* LV 后台：蓝 + 粉主色，与 Layui 布局叠加 */

:root {
    --lv-blue: #2563eb;
    --lv-blue-deep: #1d4ed8;
    --lv-pink: #ec4899;
    --lv-violet: #7c3aed;
    --lv-side: #0f172a;
    --lv-side2: #1e1b4b;
}

body.lv-body {
    font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
    background: #f4f6fb;
}

/* 顶栏 */
.lv-layout.layui-layout-admin .layui-header {
    background: linear-gradient(105deg, var(--lv-blue-deep) 0%, #4f46e5 42%, #a21caf 78%, var(--lv-pink) 100%) !important;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.25);
}
.lv-layout.layui-layout-admin .layui-header .layui-nav {
    background: transparent;
}
.lv-layout.layui-layout-admin .layui-header .layui-nav .layui-nav-item a {
    color: rgba(255, 255, 255, 0.92);
}
.lv-layout.layui-layout-admin .layui-header .layui-nav .layui-nav-item a:hover {
    color: #fff;
}
.lv-layout .layui-logo {
    color: #fff !important;
    font-weight: 600;
    letter-spacing: 0.04em;
    width: 220px !important;
    background: rgba(255, 255, 255, 0.12) !important;
    border-radius: 0 0 12px 0;
}

/* 侧栏 */
.lv-side.layui-bg-black {
    background: linear-gradient(180deg, var(--lv-side) 0%, var(--lv-side2) 100%) !important;
    box-shadow: inset -1px 0 0 rgba(255, 255, 255, 0.06);
}
.lv-side .layui-nav-tree a {
    color: rgba(255, 255, 255, 0.82);
}
.lv-side .layui-nav-tree .layui-nav-item a:hover {
    background: rgba(236, 72, 153, 0.18) !important;
    color: #fff;
}
.lv-side .layui-nav-tree .layui-this > a,
.lv-side .layui-nav-tree .layui-this > a:hover {
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.35), rgba(236, 72, 153, 0.35)) !important;
    color: #fff !important;
    border-left: 3px solid var(--lv-pink);
}

.lv-layout .layui-body {
    background: #f4f6fb;
    bottom: 48px;
}

.lv-footer.layui-footer {
    background: #fff;
    color: #64748b;
    border-top: 1px solid #e2e8f0;
    line-height: 44px;
}

/* 主按钮渐变 */
.lv-layout .layui-btn:not(.layui-btn-primary):not(.layui-btn-danger):not(.layui-btn-normal) {
    background: linear-gradient(90deg, var(--lv-blue), var(--lv-violet)) !important;
    border: none;
}
.lv-layout .layui-btn.layui-btn-primary {
    border-color: #cbd5e1;
}
.lv-layout .layui-btn.layui-btn-normal {
    background: linear-gradient(90deg, #0ea5e9, var(--lv-blue)) !important;
    border: none;
}

/* 登录页 */
.lv-login-page {
    min-height: 100vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(1200px 600px at 10% -10%, rgba(236, 72, 153, 0.35), transparent),
                radial-gradient(900px 500px at 100% 0%, rgba(59, 130, 246, 0.45), transparent),
                linear-gradient(160deg, #0f172a 0%, #312e81 40%, #831843 100%);
    font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}
.lv-login-card {
    width: 100%;
    max-width: 420px;
    padding: 36px 32px 32px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.22);
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.45);
}
.lv-login-card .lv-brand {
    text-align: center;
    margin-bottom: 24px;
}
.lv-login-card .lv-brand h1 {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.08em;
}
.lv-login-card .lv-brand p {
    margin: 8px 0 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
}
.lv-login-card .layui-form-label {
    color: rgba(255, 255, 255, 0.88);
    width: 72px;
}
.lv-login-card .layui-input-block {
    margin-left: 102px;
}
.lv-login-card .layui-input {
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.92);
}
.lv-login-card .lv-login-actions {
    margin-top: 8px;
    margin-bottom: 0;
}
.lv-login-card .lv-login-actions .layui-input-block {
    margin-left: 0 !important;
    text-align: center;
}
.lv-login-card .lv-login-submit {
    min-width: 112px;
    padding: 0 22px;
    height: 34px;
    line-height: 34px;
    font-size: 14px;
    border-radius: 999px;
    background: linear-gradient(90deg, #3b82f6, #d946ef) !important;
    border: none;
    box-shadow: 0 6px 18px rgba(59, 130, 246, 0.4);
}
.lv-login-card .lv-hint {
    margin-top: 16px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
}

/* 内页通用标题条 */
.lv-page-head {
    padding: 14px 0 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.lv-page-head h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
    padding-left: 12px;
    border-left: 4px solid var(--lv-blue);
}

.lv-box {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
}