:root {
    color-scheme: light;
    --ink: #172235; --muted: #687588; --line: #dce3e9; --line-strong: #c8d1da;
    --canvas: #f5f7f8; --surface: #fff; --navy: #17324d; --navy-soft: #244866;
    --teal: #087f78; --teal-dark: #05645f; --teal-soft: #e7f4f2;
    --amber: #9a6700; --amber-soft: #fff5d8; --red: #b42318; --red-soft: #fff0ee;
    --green: #147a52; --green-soft: #eaf6ef;
    font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; color: var(--ink); background: var(--canvas); }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.app-shell { display: grid; min-height: 100vh; grid-template-columns: 230px minmax(0, 1fr); }
.sidebar { display: flex; flex-direction: column; padding: 22px 16px; color: #fff; background: var(--navy); }
.brand { display: flex; gap: 11px; align-items: center; padding: 0 8px 25px; }
.brand-mark { display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid #7190aa; border-radius: 8px; font-size: 13px; letter-spacing: .08em; }
.brand strong, .brand small { display: block; }
.brand small { margin-top: 3px; color: #aebfce; font-size: 11px; }
.primary-nav { display: grid; gap: 5px; }
.primary-nav a { padding: 11px 12px; border-left: 3px solid transparent; border-radius: 4px; color: #c8d6e1; }
.primary-nav a:hover, .primary-nav a.active { color: #fff; background: var(--navy-soft); }
.primary-nav a.active { border-left-color: #61c8bd; }
.sidebar-note { margin-top: auto; padding: 14px 12px; border-top: 1px solid #3b566e; color: #afc0ce; font-size: 12px; }
.sidebar-note span, .sidebar-note strong { display: block; }
.sidebar-note strong { margin-top: 4px; color: #fff; font-size: 13px; }

.workspace { min-width: 0; }
.topbar { display: flex; min-height: 72px; align-items: center; justify-content: space-between; padding: 12px 28px; border-bottom: 1px solid var(--line); background: var(--surface); }
.topbar .eyebrow { margin: 0 0 3px; color: var(--muted); font-size: 11px; letter-spacing: .08em; }
.account-area { display: flex; align-items: center; gap: 14px; color: var(--muted); font-size: 14px; }
.account-area form { margin: 0; }
.content { width: min(1380px, 100%); margin: 0 auto; padding: 28px; }
.page-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.page-heading h1 { margin: 0; font-size: clamp(24px, 3vw, 32px); line-height: 1.2; }
.page-heading p { margin: 8px 0 0; color: var(--muted); }
.page-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.section-heading { margin-top: 24px; margin-bottom: 12px; }
.section-heading h2 { margin: 0; font-size: 19px; }
.eyebrow { margin: 0 0 7px; color: var(--teal); font-size: 12px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }

.button { display: inline-flex; min-height: 40px; align-items: center; justify-content: center; padding: 9px 15px; border: 1px solid transparent; border-radius: 6px; font-weight: 700; }
.button-primary { color: #fff; background: var(--teal); }
.button-primary:hover { background: var(--teal-dark); }
.button-secondary { border-color: var(--line-strong); color: var(--ink); background: var(--surface); }
.button-danger { color: #fff; background: var(--red); }
.button-danger:hover { background: #8f1c13; }
.button-quiet { min-height: 34px; padding: 6px 10px; border-color: var(--line); color: var(--muted); background: transparent; }
.button:disabled { cursor: not-allowed; opacity: .5; }

.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 22px; }
.metrics-compact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.metric { padding: 19px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.metric span { display: block; color: var(--muted); font-size: 13px; }
.metric strong { display: block; margin-top: 10px; font-size: 27px; font-variant-numeric: tabular-nums; }
.scope-note { margin: -10px 0 18px; color: var(--muted); font-size: 13px; }
.panel { border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.panel-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.panel-header h2 { margin: 0; font-size: 17px; }
.panel-body { padding: 20px; }

.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th { padding: 11px 13px; border-bottom: 1px solid var(--line-strong); color: var(--muted); background: #f8fafb; text-align: left; white-space: nowrap; }
.data-table td { padding: 12px 13px; border-bottom: 1px solid var(--line); vertical-align: top; }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: #f9fbfb; }
.number { font-variant-numeric: tabular-nums; white-space: nowrap; }
.primary-cell strong, .primary-cell span { display: block; }
.primary-cell span { margin-top: 3px; color: var(--muted); }

.badge { display: inline-flex; align-items: center; padding: 4px 8px; border-radius: 999px; font-size: 12px; font-weight: 700; white-space: nowrap; }
.badge-success { color: var(--green); background: var(--green-soft); }
.badge-warning { color: var(--amber); background: var(--amber-soft); }
.badge-danger { color: var(--red); background: var(--red-soft); }
.badge-neutral { color: #536171; background: #edf1f4; }

.filter-bar { display: flex; gap: 10px; align-items: center; }
.filter-bar input { width: min(420px, 65vw); }
.filter-bar-wrap { flex-wrap: wrap; }
.filter-bar-wrap > input, .filter-bar-wrap > select { width: 190px; }
.filter-bar-wrap > input[type="search"] { width: 280px; }
.inline-filter { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 12px; white-space: nowrap; }
.inline-filter input { width: 150px; }
.field-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
.field { min-width: 0; }
.field label { display: block; margin-bottom: 6px; color: #344054; font-size: 13px; font-weight: 700; }
.field-control-with-action { display: flex; align-items: stretch; gap: 8px; }
.field-control-with-action select { min-width: 0; }
.field-control-with-action .button { flex: 0 0 auto; white-space: nowrap; }
input, select, textarea { width: 100%; min-height: 40px; padding: 8px 10px; border: 1px solid var(--line-strong); border-radius: 6px; color: var(--ink); background: #fff; }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid #cce9e6; border-color: var(--teal); }
.help, .muted { color: var(--muted); }
.errorlist { margin: 6px 0 0; padding: 0; color: var(--red); font-size: 12px; list-style: none; }
.form-errors { margin-bottom: 16px; padding: 12px 14px; border: 1px solid #f2b8b1; border-radius: 6px; color: var(--red); background: var(--red-soft); }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }
.step-list { margin: 0 0 22px; padding-left: 24px; color: var(--muted); line-height: 1.9; }
.import-file-field { max-width: 680px; }
.import-file-field input[type="file"] { height: auto; padding: 12px; }
.import-confirm .panel-body { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.import-confirm p, .result-notice { margin: 6px 0 0; }
.row-errors { margin: 7px 0 0; padding-left: 18px; color: var(--red); line-height: 1.5; }
.duplicate-suggestions { margin-top: 18px; padding: 14px; border: 1px solid #e8cf8c; border-radius: 6px; background: var(--amber-soft); }
.duplicate-suggestions .help { margin: 5px 0 10px; }
.duplicate-result { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 0; border-top: 1px solid #ead9ad; }
.duplicate-result span, .duplicate-result small { display: block; }
.duplicate-result small { margin-top: 3px; color: var(--muted); }
.action-group { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 9px; }
.action-group form { margin: 0; }
.text-link { color: var(--teal-dark); font-weight: 700; }
.text-link:hover { text-decoration: underline; }
.text-danger { color: var(--red); }
.text-success { color: var(--green); }
.document-summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 18px; }
.document-summary-five { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.document-summary-six { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.document-summary > div { padding: 17px 20px; border-right: 1px solid var(--line); }
.document-summary > div:last-child { border-right: 0; }
.document-summary span, .document-summary strong { display: block; }
.document-summary span { margin-bottom: 6px; color: var(--muted); font-size: 12px; }
.detail-section { margin-top: 18px; }
.danger-zone { border-color: #efb2aa; }
.danger-zone .panel-header { background: var(--red-soft); }
.danger-zone .panel-header p { margin: 6px 0 0; color: var(--red); font-size: 13px; }
.reversal-summary { border-color: var(--line-strong); background: #f8fafb; }
.reversal-summary p { margin: 0 0 8px; }
.reversal-summary p:last-child { margin-bottom: 0; }

.line-stack { display: grid; gap: 14px; }
.line-card { border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.line-card-header { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--line); background: #f8fafb; }
.line-card-body { padding: 16px; }
.line-card .field-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.availability { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 14px; padding: 13px; border: 1px solid #bdded9; border-radius: 6px; background: var(--teal-soft); }
.availability-four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.availability strong, .availability span { display: block; }
.availability span { margin-bottom: 3px; color: var(--muted); font-size: 11px; }
.availability.is-danger { border-color: #efb2aa; background: var(--red-soft); }
.availability-message { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: 12px; }
.delete-line { display: flex; align-items: center; gap: 7px; color: var(--red); font-size: 12px; }
.delete-line input { width: auto; min-height: auto; }

.message-stack { display: grid; gap: 8px; margin-bottom: 18px; }
.message { padding: 11px 13px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); }
.message.success { border-color: #a9d8bf; color: var(--green); background: var(--green-soft); }
.message.error { border-color: #efb2aa; color: var(--red); background: var(--red-soft); }
.empty-state { padding: 42px 20px; color: var(--muted); text-align: center; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 16px; border-top: 1px solid var(--line); }

.auth-shell { display: grid; min-height: 100vh; place-items: center; padding: 24px; background: var(--navy); }
.auth-card { width: min(430px, 100%); padding: 30px; border: 1px solid #d9e2e8; border-radius: 10px; background: #fff; }
.auth-card h1 { margin: 8px 0; font-size: 27px; }
.auth-card .button { width: 100%; margin-top: 20px; }

.modal { width: min(900px, calc(100vw - 32px)); max-height: calc(100vh - 48px); padding: 0; border: 1px solid var(--line-strong); border-radius: 10px; color: var(--ink); background: var(--surface); box-shadow: 0 22px 60px rgb(23 50 77 / 24%); }
.modal::backdrop { background: rgb(23 34 53 / 48%); }
.modal-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; padding: 20px 22px; border-bottom: 1px solid var(--line); }
.modal-header h2 { margin: 0; font-size: 21px; }
.modal-header p:last-child { margin: 7px 0 0; color: var(--muted); font-size: 13px; }
.modal-close { width: 36px; height: 36px; padding: 0; border: 1px solid var(--line); border-radius: 6px; color: var(--muted); background: var(--surface); font-size: 24px; line-height: 1; }
.modal-close:hover { color: var(--ink); background: var(--canvas); }
.modal-body { padding: 22px; }
.modal-body .field-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

@media (max-width: 1050px) {
    .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .line-card .field-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
    .app-shell { display: block; }
    .sidebar { padding: 14px; }
    .brand { padding-bottom: 14px; }
    .primary-nav { display: flex; overflow-x: auto; }
    .primary-nav a { white-space: nowrap; }
    .sidebar-note { display: none; }
    .topbar { padding: 12px 16px; }
    .content { padding: 20px 14px; }
    .page-heading { display: block; }
    .page-heading .button { margin-top: 16px; }
    .field-grid, .line-card .field-grid, .modal-body .field-grid, .availability, .document-summary, .document-summary-five, .document-summary-six { grid-template-columns: 1fr; }
    .document-summary > div { border-right: 0; border-bottom: 1px solid var(--line); }
    .document-summary > div:last-child { border-bottom: 0; }
    .filter-bar { align-items: stretch; flex-direction: column; width: 100%; }
    .import-confirm .panel-body { align-items: stretch; flex-direction: column; }
    .filter-bar input { width: 100%; }
    .filter-bar-wrap > input, .filter-bar-wrap > select, .inline-filter, .inline-filter input { width: 100%; }
    .metrics { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 440px) {
    .metrics { grid-template-columns: 1fr; }
    .account-area > span { display: none; }
}