:root {
    --kr-primary: #409eff;
    --kr-primary-soft: #ecf5ff;
    --kr-navy: #202a44;
    --kr-border: #ebeef5;
    --kr-text: #303133;
    --kr-muted: #909399;
    --kr-bg: #f5f7fa;
    --kr-sidebar: 210px;
    --kr-topbar: 58px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body.kr-admin {
    color: var(--kr-text);
    background: var(--kr-bg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    font-size: 14px;
}

.kr-topbar {
    position: fixed;
    z-index: 1035;
    inset: 0 0 auto 0;
    height: var(--kr-topbar);
    display: flex;
    align-items: center;
    color: #fff;
    background: var(--kr-navy);
    box-shadow: 0 1px 4px rgba(0,0,0,.12);
}
.kr-brand {
    width: var(--kr-sidebar);
    height: 100%;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff !important;
    text-decoration: none !important;
    font-size: 20px;
    white-space: nowrap;
}
.kr-brand strong { font-size: 17px; }
.kr-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    color: #fff;
    background: linear-gradient(135deg, #ffb14a, #e66b42);
    font-size: 14px;
    font-weight: 800;
}
.kr-logo img { display: block; max-width: 100%; max-height: 100%; object-fit: contain; }
.kr-menu-toggle, .kr-icon-button {
    border: 0;
    background: transparent;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
}
.kr-menu-toggle { display: none; margin-left: 4px; }
.kr-topbar-actions {
    margin-left: auto;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 18px;
    padding-right: 20px;
}
.kr-icon-button { opacity: .9; }
.kr-account {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}
.kr-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    color: #5f6572;
    background: #f1f2f5;
    font-weight: 600;
}
.kr-caret { opacity: .65; }
.kr-account-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 52px;
    width: 140px;
    overflow: hidden;
    border: 1px solid var(--kr-border);
    border-radius: 4px;
    background: #fff;
    box-shadow: 0 8px 24px rgba(31,45,61,.15);
}
.account-open .kr-account-menu { display: block; }
.kr-account-menu a {
    display: block;
    padding: 11px 16px;
    color: #606266;
}
.kr-account-menu a:hover { background: #f5f7fa; color: var(--kr-primary); }
.kr-account-menu a.danger { color: #f56c6c; }
.kr-flash {
    position: fixed;
    z-index: 1100;
    right: 20px;
    top: 72px;
    max-width: 420px;
    padding: 12px 16px;
    border-radius: 4px;
    box-shadow: 0 8px 24px rgba(31,45,61,.16);
}
.kr-flash.success { color: #529b2e; background: #f0f9eb; border: 1px solid #e1f3d8; }
.kr-flash.error { color: #c45656; background: #fef0f0; border: 1px solid #fde2e2; }

.kr-sidebar {
    position: fixed;
    z-index: 1030;
    left: 0;
    top: var(--kr-topbar);
    bottom: 0;
    width: var(--kr-sidebar);
    display: flex;
    flex-direction: column;
    background: #fff;
    border-right: 1px solid #e6e8ec;
    transition: transform .2s ease;
}
.kr-menu {
    flex: 1;
    overflow: auto;
    padding: 10px 0 20px;
}
.kr-menu a, .kr-menu summary {
    min-height: 46px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 23px;
    color: #303133;
    text-decoration: none;
    cursor: pointer;
    user-select: none;
}
.kr-menu a:hover, .kr-menu summary:hover { color: var(--kr-primary); background: #f7fbff; }
.kr-menu a.active {
    color: var(--kr-primary);
    background: var(--kr-primary-soft);
}
.kr-menu a.active::before {
    content: "";
    position: absolute;
    left: 0;
    height: 46px;
    width: 3px;
    background: var(--kr-primary);
}
.kr-menu details { margin: 0; }
.kr-menu details > summary { list-style: none; }
.kr-menu details > summary::-webkit-details-marker { display: none; }
.kr-menu details > summary::after {
    content: "⌄";
    margin-left: auto;
    color: #a7abb3;
    transition: transform .2s;
}
.kr-menu details[open] > summary::after { transform: rotate(180deg); }
.kr-menu details > a {
    min-height: 42px;
    padding-left: 57px;
    color: #606266;
}
.kr-menu .kr-submenu { margin-left: 0; }
.kr-menu .kr-submenu > summary { min-height: 42px; padding-left: 57px; color: #606266; }
.kr-menu .kr-submenu > summary::after { margin-left: auto; }
.kr-menu .kr-submenu > a { padding-left: 76px; min-height: 38px; }
.kr-admin .kr-thumb { width: 64px; height: 44px; object-fit: cover; border: 1px solid var(--kr-border); border-radius: 4px; background: #f5f7fa; }
.kr-admin .kr-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.kr-admin .kr-inline-form { display: flex; align-items: center; gap: 6px; min-width: 245px; }
.kr-admin .kr-inline-form .form-control { min-width: 95px; height: 34px; }
.kr-admin .kr-edit-card { margin-top: 15px; }
.kr-admin .kr-form-grid { display: grid; grid-template-columns: repeat(4, minmax(150px, 1fr)); gap: 14px 18px; }
.kr-admin .kr-form-grid .kr-wide { grid-column: span 2; }
.kr-admin .kr-form-grid label { display: block; margin-bottom: 6px; color: #606266; }
.kr-admin .kr-check { display: flex; align-items: center; gap: 8px; padding-top: 31px; }
@media (max-width: 900px) { .kr-admin .kr-form-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .kr-admin .kr-form-grid { grid-template-columns: 1fr; } .kr-admin .kr-form-grid .kr-wide { grid-column: auto; } }
.kr-menu-icon {
    width: 18px;
    text-align: center;
    color: #4c525c;
    font-size: 17px;
}
.kr-sidebar-collapse {
    height: 42px;
    border: 0;
    border-top: 1px solid var(--kr-border);
    color: #303133;
    background: #fff;
    cursor: pointer;
}

.kr-main {
    min-height: 100vh;
    padding-top: var(--kr-topbar);
    margin-left: var(--kr-sidebar);
    transition: margin .2s ease;
}
.kr-breadcrumb {
    height: 49px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 18px;
    border-bottom: 1px solid var(--kr-border);
    background: #fff;
    color: #8a8f99;
}
.kr-breadcrumb a { color: #606266; }
.kr-tabs {
    height: 43px;
    display: flex;
    align-items: end;
    gap: 0;
    overflow-x: auto;
    padding-left: 0;
    border-bottom: 1px solid var(--kr-border);
    background: #fff;
}
.kr-tabs a, .kr-tabs span {
    height: 42px;
    display: inline-flex;
    align-items: center;
    padding: 0 16px;
    color: #909399;
    border-right: 1px solid #f0f1f3;
    white-space: nowrap;
}
.kr-tabs .active {
    color: #fff;
    background: var(--kr-primary);
}
.kr-tabs b { margin-left: 12px; font-weight: 400; opacity: .75; }
.kr-content { padding: 15px; }

.kr-admin .content,
.kr-admin .app-content {
    margin: 0 !important;
    padding: 0 !important;
}
.kr-admin .content-wrapper,
.kr-admin .content-body { padding: 0 !important; }
.kr-admin section { margin: 0; }
.kr-admin .card {
    border: 1px solid var(--kr-border);
    border-radius: 4px;
    box-shadow: none;
    background: #fff;
}
.kr-admin .card-header {
    min-height: 58px;
    padding: 18px 20px 12px;
    border-bottom: 1px solid #f0f1f3;
    background: #fff;
}
.kr-admin .card-title { margin: 0; color: #303133; font-size: 16px; font-weight: 500; }
.kr-admin .card-body { padding: 18px 20px; }
.kr-admin .table-responsive { border: 1px solid var(--kr-border); border-radius: 3px; }
.kr-admin table { margin: 0 !important; font-size: 13px; }
.kr-admin .table thead th {
    padding: 12px 10px;
    color: #606266;
    background: #fafafa;
    border-color: var(--kr-border);
    font-weight: 500;
    white-space: nowrap;
}
.kr-admin .table td {
    padding: 11px 10px;
    vertical-align: middle;
    border-color: var(--kr-border);
}
.kr-admin .table-striped tbody tr:nth-of-type(odd) { background: #fff; }
.kr-admin .table-striped tbody tr:hover { background: #f5f7fa; }
.kr-admin .btn {
    min-height: 32px;
    padding: 6px 13px !important;
    border-radius: 3px;
    font-size: 13px !important;
    line-height: 18px;
}
.kr-admin .btn-primary, .kr-admin .btn-info { background: var(--kr-primary); border-color: var(--kr-primary); }
.kr-admin .btn-success { background: #67c23a; border-color: #67c23a; }
.kr-admin .btn-warning { color: #fff; background: #e6a23c; border-color: #e6a23c; }
.kr-admin .btn-danger { background: #f56c6c; border-color: #f56c6c; }
.kr-admin .badge { padding: 5px 8px; border-radius: 3px; font-size: 11px !important; }
.kr-admin .badge-success { background: #67c23a; }
.kr-admin .badge-warning { color: #fff; background: #e6a23c; }
.kr-admin .badge-danger { background: #f56c6c; }
.kr-admin input.form-control, .kr-admin select.form-control, .kr-admin textarea.form-control {
    min-height: 36px;
    border: 1px solid #dcdfe6;
    border-radius: 4px;
    box-shadow: none;
}
.kr-admin .form-control:focus { border-color: var(--kr-primary); box-shadow: 0 0 0 2px rgba(64,158,255,.12); }
.kr-admin label { color: #606266; font-weight: 400; }
.kr-admin .valid-feedback { color: #909399; }
.kr-admin .dataTables_filter input, .kr-admin .dataTables_length select {
    height: 34px;
    border: 1px solid #dcdfe6;
    border-radius: 3px;
}
.kr-admin .dataTables_info, .kr-admin .dataTables_paginate { padding-top: 14px !important; color: #909399; }
.kr-admin .page-item.active .page-link { background: var(--kr-primary); border-color: var(--kr-primary); }
.kr-admin .modal-content { border: 0; border-radius: 6px; box-shadow: 0 16px 48px rgba(0,0,0,.18); }
.kr-admin .modal-header, .kr-admin .modal-footer { border-color: var(--kr-border); }
.kr-admin .alert { border: 0; border-radius: 4px; }
.kr-native-file-hidden { display: none !important; }
.kr-file-control { min-height: 36px; display: flex; align-items: center; gap: 10px; color: #909399; font-size: 12px; }
.kr-file-button { height: 34px; padding: 0 15px; border: 1px solid #dcdfe6; border-radius: 3px; color: #606266; background: #fff; cursor: pointer; }
.kr-file-button:hover { color: var(--kr-primary); border-color: #c6e2ff; background: #ecf5ff; }
.kr-admin .footer, .kr-admin .main-menu, .kr-admin .header-navbar, .kr-admin .sidenav-overlay, .kr-admin .drag-target { display: none !important; }

.kr-stat-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0,1fr));
    gap: 14px;
    margin-bottom: 14px;
}
.kr-stat-card {
    min-height: 132px;
    padding: 22px;
    border: 1px solid var(--kr-border);
    border-radius: 4px;
    background: #fff;
}
.kr-stat-label { color: #606266; font-size: 15px; }
.kr-stat-value { margin: 8px 0 12px; font-size: 25px; font-weight: 600; color: #303133; }
.kr-stat-meta { display: flex; justify-content: space-between; color: #909399; font-size: 12px; }
.kr-stat-meta b { color: #606266; font-weight: 500; }
.kr-stat-period-card { min-height: 176px; }
.kr-stat-period-card .kr-stat-value { margin-bottom: 1px; }
.kr-stat-current-label { color: #909399; font-size: 11px; }
.kr-stat-periods { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 17px; padding-top: 13px; border-top: 1px solid #f0f1f3; }
.kr-stat-periods span { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.kr-stat-periods b { overflow: hidden; color: #606266; font-size: 14px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.kr-stat-periods small { color: #909399; font-size: 10px; white-space: nowrap; }
.kr-total-row { color: #303133; background: #fafafa; font-weight: 600; }
.kr-stat-grid + .card { margin-top: 0; }
.kr-admin .card + .card { margin-top: 14px; }
.kr-panel {
    margin-bottom: 14px;
    padding: 18px;
    border: 1px solid var(--kr-border);
    border-radius: 4px;
    background: #fff;
}
.kr-setting-card { min-height: 330px; }
.kr-setting-card > .card-header { border-bottom: 0; padding: 25px 26px 15px; }
.kr-setting-card > .card-header .card-title { font-size: 20px; font-weight: 600; }
.kr-setting-tabs { display: flex; gap: 30px; overflow-x: auto; padding: 0 26px; border-bottom: 1px solid var(--kr-border); background: #fff; }
.kr-setting-tab { position: relative; flex: 0 0 auto; height: 49px; padding: 0 2px; border: 0; color: #303133; background: transparent; font-size: 15px; font-weight: 600; cursor: pointer; }
.kr-setting-tab.active { color: var(--kr-primary); }
.kr-setting-tab.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--kr-primary); }
.kr-setting-panel { display: none; }
.kr-setting-panel.active { display: block; }
.kr-setting-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px 24px; }
.kr-setting-grid .kr-wide { grid-column: span 2; }
.kr-setting-grid .kr-full { grid-column: 1 / -1; }
.kr-setting-grid label { display: block; margin-bottom: 7px; color: #303133; }
.kr-setting-grid small { display: block; margin-top: 6px; color: #909399; }
.kr-image-box img, .kr-upload-field img { display: block; max-width: 180px; max-height: 90px; margin-bottom: 8px; object-fit: contain; border-radius: 4px; background: #f5f7fa; }
.kr-checkline { margin-top: 8px; color: #606266 !important; }
.kr-days { display: flex; flex-wrap: wrap; gap: 18px; min-height: 36px; align-items: center; }
.kr-days label { margin: 0; }
.kr-setting-actions { padding-top: 24px; text-align: center; }
.kr-setting-actions .btn { min-width: 74px; }
@media (max-width: 1000px) { .kr-setting-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } .kr-setting-tabs { gap: 20px; } }
@media (max-width: 640px) { .kr-setting-grid { grid-template-columns: 1fr; } .kr-setting-grid .kr-wide { grid-column: auto; } }
.kr-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 14px;
}
.kr-filter .form-control { width: 220px; }
.kr-empty { padding: 50px 20px; text-align: center; color: #a8abb2; }

body.menu-collapsed .kr-sidebar { transform: translateX(calc(-1 * var(--kr-sidebar))); }
body.menu-collapsed .kr-main { margin-left: 0; }

.kr-login-page {
    min-height: 100vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #303133;
    background: #f4f6fb;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}
.kr-login-page::before {
    content: "";
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at 20% 15%, rgba(64,158,255,.08), transparent 32%), radial-gradient(circle at 80% 85%, rgba(32,42,68,.08), transparent 32%);
}
.kr-login-shell { position: relative; z-index: 1; width: 380px; }
.kr-login-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    font-size: 24px;
}
.kr-login-card {
    padding: 34px 38px 38px;
    border: 1px solid #e5e8ee;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 15px 45px rgba(31,45,61,.09);
}
.kr-login-card h1 { margin: 0 0 28px; text-align: center; font-size: 20px; font-weight: 500; }
.kr-login-card label { display: block; margin: 16px 0 7px; color: #606266; font-size: 13px; }
.kr-login-field {
    height: 42px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 13px;
    border: 1px solid #dcdfe6;
    border-radius: 4px;
    background: #fff;
}
.kr-login-field:focus-within { border-color: var(--kr-primary); box-shadow: 0 0 0 2px rgba(64,158,255,.1); }
.kr-login-field span { color: #a8abb2; }
.kr-login-field input { flex: 1; min-width: 0; border: 0; outline: 0; font-size: 14px; }
.kr-login-card .kr-remember { display: flex; align-items: center; gap: 7px; margin: 15px 0; }
.kr-login-submit {
    width: 100%;
    height: 42px;
    border: 0;
    border-radius: 22px;
    color: #fff;
    background: var(--kr-primary);
    cursor: pointer;
    font-size: 15px;
}
.kr-login-submit:hover { background: #66b1ff; }
.kr-alert { margin-bottom: 14px; padding: 10px 12px; border-radius: 4px; font-size: 13px; }
.kr-alert.error { color: #f56c6c; background: #fef0f0; }
.kr-alert.success { color: #67c23a; background: #f0f9eb; }
.kr-login-round {
    position: fixed;
    z-index: 2;
    top: 20px;
    width: 34px;
    height: 34px;
    border: 0;
    border-radius: 50%;
    color: #606266;
    background: #fff;
    box-shadow: 0 3px 12px rgba(0,0,0,.08);
}
.kr-login-round.left { left: 22px; }
.kr-login-round.right { right: 22px; }
.kr-login-page footer { position: fixed; bottom: 18px; color: #909399; font-size: 12px; }

@media (max-width: 1100px) {
    .kr-stat-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 760px) {
    .kr-menu-toggle { display: block; }
    .kr-brand { width: auto; padding-left: 14px; }
    .kr-brand strong { display: none; }
    .kr-sidebar { transform: translateX(-100%); box-shadow: 4px 0 18px rgba(0,0,0,.12); }
    .menu-open .kr-sidebar { transform: translateX(0); }
    .kr-main { margin-left: 0; }
    .kr-topbar-actions { gap: 8px; padding-right: 10px; }
    .kr-account > span:nth-child(2), .kr-icon-button { display: none; }
    .kr-content { padding: 10px; }
    .kr-stat-grid { grid-template-columns: 1fr; gap: 10px; }
    .kr-login-shell { width: min(92vw,380px); }
    .kr-login-card { padding: 28px 24px 32px; }
}
.kr-record-editor{margin-top:8px;padding:14px;border:1px solid #e4e7ed;border-radius:6px;background:#fafafa}.kr-record-editor table{margin-bottom:12px}.kr-record-editor th{background:#f5f7fa;color:#606266;font-weight:500}.kr-record-editor td{vertical-align:middle}.kr-record-editor .form-control{min-width:130px}.kr-add-record{color:#409eff;border-color:#409eff;background:#fff}