:root {
    --kl-primary: #2563eb;
    --kl-primary-hover: #1d4ed8;
    --kl-primary-soft: #eff6ff;
    --kl-page-bg: #f5f7fa;
    --kl-panel-bg: #ffffff;
    --kl-sider-bg: #172033;
    --kl-border: #e5e7eb;
    --kl-text: #172033;
    --kl-text-secondary: #667085;
    --kl-text-muted: #98a2b3;
    --kl-white: #ffffff;
    --kl-success: #16a34a;
    --kl-success-soft: #ecfdf3;
    --kl-danger: #dc2626;
    --kl-danger-soft: #fef2f2;
    --kl-warning: #d97706;
    --kl-warning-soft: #fffbeb;
    --kl-disabled: #6b7280;
    --kl-disabled-soft: #f3f4f6;
}

html,
body {
    margin: 0;
    min-height: 100%;
    color: var(--kl-text);
    background: var(--kl-page-bg);
    font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
    letter-spacing: 0;
}

button,
input,
select,
textarea {
    font: inherit;
}

a {
    color: inherit;
    text-decoration: none;
}

.primary-button,
.ghost-button,
.link-button,
.action-item,
.icon-button {
    border-radius: 8px;
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
}

.primary-button,
.ghost-button {
    min-height: 36px;
    padding: 0 14px;
}

.primary-button {
    background: var(--kl-primary);
    color: var(--kl-white);
}

.primary-button:hover {
    background: var(--kl-primary-hover);
}

.ghost-button {
    background: var(--kl-panel-bg);
    color: var(--kl-text);
    border-color: var(--kl-border);
}

.ghost-button:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.compact {
    min-height: 30px;
    padding: 0 10px;
    font-size: 12px;
}

.full-button {
    width: 100%;
}

.link-button {
    padding: 0;
    background: transparent;
    color: var(--kl-primary);
}

.link-button.danger,
.danger-text {
    color: var(--kl-danger);
}

.success-text {
    color: var(--kl-success);
}

.warning-text {
    color: var(--kl-warning);
}

.icon-button {
    width: 32px;
    height: 32px;
    background: #f8fafc;
    border-color: var(--kl-border);
}

.work-page {
    display: grid;
    gap: 20px;
}

.narrow-page {
    max-width: 980px;
}

.page-heading {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: flex-start;
}

.page-heading h1 {
    margin: 0;
    font-size: 28px;
    line-height: 1.25;
}

.eyebrow,
.page-subtitle {
    margin: 0;
    color: var(--kl-text-secondary);
}

.eyebrow {
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 700;
}

.page-subtitle {
    margin-top: 8px;
}

.heading-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.panel,
.action-panel {
    background: var(--kl-panel-bg);
    border: 1px solid var(--kl-border);
    border-radius: 8px;
}

.panel {
    padding: 18px;
}

.panel-header,
.action-panel-header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 16px;
}

.panel-header h2,
.action-panel-header h2 {
    margin: 0;
    font-size: 18px;
}

.panel-header p,
.action-panel-header p {
    margin: 6px 0 0;
    color: var(--kl-text-secondary);
    font-size: 13px;
}

.action-panel {
    position: sticky;
    top: 96px;
    align-self: start;
    padding: 18px;
}

.action-panel-body {
    display: grid;
    gap: 16px;
}

.hub-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 20px;
    align-items: start;
}

.hub-main {
    min-width: 0;
    display: grid;
    gap: 20px;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.compact-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-card {
    min-height: 108px;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid var(--kl-border);
    background: var(--kl-panel-bg);
}

.metric-title,
.metric-note {
    color: var(--kl-text-secondary);
    font-size: 13px;
}

.metric-value {
    margin: 8px 0;
    font-size: 26px;
    font-weight: 800;
}

.metric-primary .metric-value { color: var(--kl-primary); }
.metric-danger .metric-value { color: var(--kl-danger); }
.metric-warning .metric-value { color: var(--kl-warning); }
.metric-success .metric-value { color: var(--kl-success); }
.metric-muted .metric-value { color: var(--kl-disabled); }

.filter-panel {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: end;
    padding: 14px;
    border: 1px solid var(--kl-border);
    border-radius: 8px;
    background: var(--kl-panel-bg);
}

.filter-panel label,
.form-field {
    display: grid;
    gap: 6px;
}

.filter-panel span,
.form-field span {
    color: var(--kl-text-secondary);
    font-size: 12px;
    font-weight: 700;
}

.search-box {
    min-width: 280px;
    flex: 1;
}

input,
select,
textarea {
    width: 100%;
    min-height: 36px;
    border: 1px solid var(--kl-border);
    border-radius: 8px;
    padding: 7px 10px;
    background: #fff;
    color: var(--kl-text);
    box-sizing: border-box;
}

textarea {
    min-height: 84px;
    resize: vertical;
}

.table-wrap {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table th,
.data-table td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--kl-border);
    text-align: left;
    vertical-align: middle;
}

.data-table th {
    color: var(--kl-text-secondary);
    font-size: 12px;
    font-weight: 800;
    background: #f8fafc;
}

.data-table tr:hover td,
.selected-row td {
    background: #f8fbff;
}

.status-tag {
    min-height: 24px;
    padding: 2px 8px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.status-tag::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: currentColor;
}

.status-danger { color: var(--kl-danger); background: var(--kl-danger-soft); }
.status-warning { color: var(--kl-warning); background: var(--kl-warning-soft); }
.status-success { color: var(--kl-success); background: var(--kl-success-soft); }
.status-primary { color: var(--kl-primary); background: var(--kl-primary-soft); }
.status-muted { color: var(--kl-disabled); background: var(--kl-disabled-soft); }

.facts {
    display: grid;
    gap: 10px;
    margin: 0;
}

.facts div {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--kl-border);
}

.facts dt {
    color: var(--kl-text-secondary);
}

.facts dd {
    margin: 0;
    font-weight: 700;
    text-align: right;
}

.action-list,
.compact-list,
.mini-timeline,
.payment-node-list {
    display: grid;
    gap: 10px;
}

.action-item {
    width: 100%;
    min-height: 40px;
    padding: 0 12px;
    justify-content: flex-start;
    background: #f8fafc;
    border-color: var(--kl-border);
    color: var(--kl-text);
}

.compact-list article,
.mini-timeline article {
    padding: 12px;
    border: 1px solid var(--kl-border);
    border-radius: 8px;
    display: grid;
    gap: 4px;
}

.compact-list span,
.mini-timeline span {
    color: var(--kl-text-secondary);
    font-size: 13px;
}

.payment-node {
    padding: 14px;
    border: 1px solid var(--kl-border);
    border-radius: 8px;
}

.node-topline {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: flex-start;
}

.node-topline strong,
.node-topline span {
    display: block;
}

.node-topline span {
    margin-top: 4px;
    color: var(--kl-text-secondary);
    font-size: 13px;
}

.node-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 14px;
}

.node-detail-grid div {
    padding: 10px;
    border-radius: 8px;
    background: #f8fafc;
}

.node-detail-grid span,
.node-detail-grid strong {
    display: block;
}

.node-detail-grid span {
    color: var(--kl-text-secondary);
    font-size: 12px;
}

.node-actions {
    margin-top: 12px;
    display: flex;
    gap: 10px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.stack-form {
    display: grid;
    gap: 14px;
}

.full,
.form-actions {
    grid-column: 1 / -1;
}

.auth-page {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 420px;
    gap: 48px;
    align-items: center;
    padding: 56px;
    box-sizing: border-box;
}

.auth-intro {
    max-width: 620px;
}

.auth-intro strong {
    color: var(--kl-primary);
    font-size: 20px;
}

.auth-intro h1 {
    margin: 16px 0;
    font-size: 42px;
    line-height: 1.2;
}

.auth-intro p,
.auth-switch {
    color: var(--kl-text-secondary);
}

.auth-panel,
.form-modal {
    padding: 24px;
    border: 1px solid var(--kl-border);
    border-radius: 8px;
    background: var(--kl-panel-bg);
}

.auth-panel h2,
.form-modal h2 {
    margin: 0 0 18px;
}

.auth-switch a {
    color: var(--kl-primary);
    font-weight: 700;
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(15, 23, 42, 0.38);
}

.form-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 101;
    width: min(520px, calc(100vw - 32px));
    transform: translate(-50%, -50%);
}

.modal-header,
.modal-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.modal-actions {
    justify-content: flex-end;
    margin-top: 8px;
}

.alert-error,
.empty-state {
    padding: 14px;
    border-radius: 8px;
}

.alert-error {
    border: 1px solid #fecaca;
    background: var(--kl-danger-soft);
    color: var(--kl-danger);
}

.empty-state {
    border: 1px dashed var(--kl-border);
    background: #f8fafc;
    color: var(--kl-text-secondary);
}

.empty-state.compact {
    padding: 10px;
}

.back-row a {
    color: var(--kl-primary);
    font-weight: 700;
}

.login-required {
    min-height: 320px;
    display: grid;
    place-items: center;
    text-align: center;
    gap: 18px;
}

.login-required h1 {
    margin: 0;
    font-size: 28px;
}

.login-required p {
    margin: 8px 0 0;
    color: var(--kl-text-secondary);
}

.validation-message {
    color: var(--kl-danger);
    font-size: 12px;
}

#blazor-error-ui {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 12px 16px;
    background: #b32121;
    color: var(--kl-white);
}

@media (max-width: 1180px) {
    .hub-grid {
        grid-template-columns: 1fr;
    }

    .action-panel {
        position: static;
    }
}

@media (max-width: 760px) {
    .auth-page,
    .metric-grid,
    .compact-metrics,
    .form-grid,
    .node-detail-grid {
        grid-template-columns: 1fr;
    }

    .auth-page {
        padding: 28px;
    }

    .auth-intro h1 {
        font-size: 30px;
    }

    .page-heading,
    .node-topline {
        flex-direction: column;
    }
}