:root {
  --ink: #27322e;
  --muted: #697586;
  --line: #e7ebf2;
  --surface: #ffffff;
  --canvas: #f6f8f7;
  --navy: #ffffff;
  --navy-2: #ffffff;
  --blue: #5b8a70;
  --blue-soft: #edf5ef;
  --green: #18a777;
  --green-soft: #e8f8f1;
  --amber: #e7a32a;
  --amber-soft: #fff6e3;
  --red: #d95757;
  --red-soft: #fff0f0;
  --control-height: 36px;
  --control-radius: 7px;
  --control-padding: 0 10px;
  --control-border: #d8e0ec;
  --shadow: 0 10px 28px rgba(34, 54, 43, 0.06);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--canvas);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; overflow: hidden; background: var(--canvas); }
button, input, select { font: inherit; }
button { cursor: pointer; }

.app-shell { height: 100vh; height: 100dvh; min-height: 0; display: flex; flex-direction: column; }
.topbar {
  flex: 0 0 72px; height: 72px; padding: 0 30px; display: flex; align-items: center; justify-content: space-between;
  background: var(--surface); color: var(--ink); border-bottom: 1px solid var(--line);
}
.brand-lockup { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center; background: #6e9b7f; color: #fff; font-weight: 800; letter-spacing: -.04em; }
.brand-name { font-size: 16px; font-weight: 700; letter-spacing: .01em; }
.brand-subtitle { margin-top: 2px; font-size: 11px; color: var(--muted); }
.topbar-meta { display: flex; align-items: center; gap: 18px; color: var(--muted); font-size: 12px; }
.privacy-pill { display: inline-flex; align-items: center; gap: 7px; padding: 7px 10px; border: 1px solid #d5e6da; border-radius: 999px; color: #477459; background: #f0f8f2; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: #37d09d; box-shadow: 0 0 0 4px rgba(55,208,157,.12); }
.version-label { opacity: .78; }

.workspace-layout { min-height: 0; flex: 1 1 auto; display: grid; grid-template-columns: 220px minmax(0, 1fr); }
.sidebar { min-height: 0; height: 100%; position: sticky; top: 0; display: flex; flex-direction: column; overflow-x: hidden; overflow-y: auto; background: var(--navy-2); color: var(--muted); padding: 25px 14px 18px; border-right: 1px solid var(--line); }
.sidebar-label { padding: 0 12px 12px; color: #93a096; font-size: 10px; letter-spacing: .13em; text-transform: uppercase; }
.nav-list { display: grid; gap: 4px; }
.nav-item { border: 0; background: transparent; color: #68766e; display: flex; align-items: center; padding: 11px 12px; border-radius: 7px; text-align: left; font-size: 13px; transition: .18s ease; }
.nav-item:hover { background: #f1f6f2; color: #345643; }
.nav-item.is-active { background: #eaf3ed; color: #315941; box-shadow: none; }
.nav-icon { width: 18px; color: #789486; font-size: 15px; text-align: center; }
.nav-item.is-active .nav-icon { color: #4f8062; }
.sidebar-footer { margin-top: auto; border-top: 1px solid var(--line); padding: 18px 8px 0; }
.local-note { display: flex; gap: 8px; font-size: 11px; line-height: 1.5; color: #819087; padding: 0 5px 13px; }
.lock-icon { color: #5a9a75; }
.clear-button { width: 100%; border: 1px solid #dfe7e1; border-radius: 7px; background: transparent; color: #657269; padding: 9px; font-size: 11px; }
.clear-button:hover { border-color: #b9d0bf; color: #345643; }

.main-content { min-width: 0; min-height: 0; height: 100%; padding: 33px 42px 56px; overflow-x: hidden; overflow-y: auto; }
.page-heading { display: flex; justify-content: space-between; gap: 24px; align-items: flex-end; margin-bottom: 28px; }
.import-heading { align-items: center; margin-bottom: 18px; }
.import-heading h1 { margin: 0; }
.eyebrow { margin: 0 0 7px; color: var(--blue); font-size: 11px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 7px; font-size: clamp(26px, 3vw, 36px); letter-spacing: -.045em; line-height: 1.1; }
h2 { margin-bottom: 7px; font-size: 21px; letter-spacing: -.03em; }
h3 { margin-bottom: 6px; font-size: 14px; }
.lede { max-width: 680px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.page-actions { display: flex; gap: 10px; align-items: center; }
.primary-button, .secondary-button { height: var(--control-height); border-radius: var(--control-radius); padding: 0 12px; font-size: 12px; font-weight: 700; transition: .18s ease; }
.primary-button { border: 1px solid var(--blue); background: var(--blue); color: #fff; box-shadow: 0 5px 14px rgba(91,138,112,.16); }
.primary-button:hover { background: #4c785f; transform: translateY(-1px); }
.secondary-button { border: 1px solid var(--line); background: #fff; color: var(--ink); }
.secondary-button:hover { border-color: #b9c7dc; background: #fbfcff; }
.secondary-button:disabled, .primary-button:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin: 28px 0 13px; }
.section-heading h2 { margin: 0; font-size: 16px; }
.section-heading p { margin: 0; color: var(--muted); font-size: 12px; }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.metric-card { min-height: 112px; padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); box-shadow: 0 6px 20px rgba(28,41,64,.035); }
.metric-label { color: var(--muted); font-size: 11px; }
.metric-value { margin-top: 14px; font-size: 26px; font-weight: 750; letter-spacing: -.04em; }
.metric-foot { margin-top: 5px; color: var(--muted); font-size: 11px; }
.metric-card.accent-blue { border-top: 3px solid var(--blue); }
.metric-card.accent-green { border-top: 3px solid var(--green); }
.metric-card.accent-amber { border-top: 3px solid var(--amber); }
.metric-card.accent-red { border-top: 3px solid var(--red); }

.two-column { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); gap: 14px; }
.card { border: 1px solid var(--line); border-radius: 9px; background: var(--surface); box-shadow: 0 4px 16px rgba(34,54,43,.025); }
.card-header { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; padding: 17px 18px 13px; border-bottom: 1px solid var(--line); }
.card-header h3 { margin: 0; font-size: 13px; }
.card-header p { margin: 4px 0 0; color: var(--muted); font-size: 11px; }
.card-body { padding: 17px 18px; }
.import-panel { max-width: 1000px; }
.import-dropzone { min-height: 112px; }
.import-list-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 20px 0 10px; }
.import-list-header h2 { margin: 0; font-size: 16px; }
.import-list-header span { color: var(--muted); font-size: 11px; }
.import-preview { max-width: 1000px; margin-top: 14px; border: 1px solid var(--line); border-radius: 9px; background: #fff; }
.import-preview > summary { padding: 13px 16px; cursor: pointer; color: var(--ink); font-size: 12px; font-weight: 700; }
.import-preview-body { padding: 0 16px 16px; border-top: 1px solid var(--line); }
.dropzone { display: grid; place-items: center; min-height: 150px; padding: 24px; border: 1px dashed #b7c8e7; border-radius: 10px; background: #f7faff; text-align: center; transition: .18s ease; }
.dropzone.is-dragging { border-color: var(--blue); background: var(--blue-soft); }
.drop-icon { display: grid; place-items: center; width: 40px; height: 40px; margin-bottom: 10px; border-radius: 12px; background: var(--blue-soft); color: var(--blue); font-size: 21px; }
.dropzone strong { display: block; font-size: 13px; }
.dropzone small { display: block; margin: 6px 0 13px; color: var(--muted); font-size: 11px; }
.text-button { border: 0; background: transparent; color: var(--blue); font-size: 12px; font-weight: 700; padding: 0; }
.text-button:hover { text-decoration: underline; }
.feature-list { display: grid; gap: 11px; }
.feature-item { display: flex; gap: 11px; align-items: flex-start; }
.feature-icon { flex: 0 0 auto; display: grid; place-items: center; width: 29px; height: 29px; border-radius: 8px; background: var(--green-soft); color: var(--green); font-weight: 700; font-size: 13px; }
.feature-item strong { display: block; font-size: 12px; }
.feature-item p { margin: 3px 0 0; color: var(--muted); font-size: 11px; line-height: 1.45; }

.empty-state { display: grid; place-items: center; min-height: 260px; padding: 30px; border: 1px dashed #cdd6e5; border-radius: 13px; background: rgba(255,255,255,.65); text-align: center; }
.empty-state .empty-icon { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 13px; border-radius: 14px; background: var(--blue-soft); color: var(--blue); font-size: 22px; }
.empty-state h2 { margin-bottom: 7px; font-size: 19px; }
.empty-state p { max-width: 430px; margin-bottom: 17px; color: var(--muted); font-size: 12px; line-height: 1.6; }

.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.field { display: grid; gap: 6px; min-width: 160px; }
.field label { color: var(--muted); font-size: 11px; font-weight: 700; }
.field select, .field input, .dataset-search input { width: 100%; height: var(--control-height); min-height: var(--control-height); padding: var(--control-padding); border: 1px solid var(--control-border); border-radius: var(--control-radius); background: #fff; color: var(--ink); font-size: 12px; outline: none; }
.field select:focus, .field input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(91,138,112,.12); }
.dataset-search input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(91,138,112,.12); }
.dataset-select-field { min-width: 0; }
.field select.dataset-select { width: fit-content; min-width: min(100%, 220px); max-width: 100%; }
.toolbar .primary-button { height: 36px; }
.dataset-toolbar { display: flex; gap: 8px; align-items: end; margin-bottom: 12px; }
.dataset-search { display: grid; gap: 6px; min-width: 0; }
.dataset-search label { color: var(--muted); font-size: 11px; font-weight: 700; }
.dataset-search { flex: 1 1 auto; min-width: 220px; }
.dataset-search input { display: block; }
.dataset-toolbar .field { flex: 0 0 auto; width: auto; min-width: 0; }
.dataset-toolbar .field select { width: auto; min-width: 112px; }
.source-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.source-card { min-width: 0; padding: 16px; border: 1px solid var(--line); border-radius: 11px; background: #fff; box-shadow: 0 5px 18px rgba(28,41,64,.035); }
.source-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.source-label { color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.source-card strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
.source-file { margin-top: 4px; overflow: hidden; color: var(--muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.source-meta { margin-top: 5px; color: var(--muted); font-size: 11px; }
.quality-strip { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; margin: 11px 0; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; background: #fbfcff; color: var(--muted); font-size: 11px; }
.quality-strip span:first-child { color: var(--blue); font-weight: 800; }
.quality-strip strong { color: var(--ink); }
.quality-detail { margin: 0 0 12px; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--muted); font-size: 12px; }
.quality-detail summary { cursor: pointer; color: var(--ink); font-weight: 700; }
.quality-detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px 14px; margin-top: 9px; }
@media (max-width: 700px) { .quality-detail-grid { grid-template-columns: 1fr; } }
.source-fields { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 13px; }
.source-fields span { padding: 4px 7px; border-radius: 5px; background: #f2f5fa; color: #536174; font-size: 10px; }
.compact-config { margin-top: 12px; border: 1px solid var(--line); border-radius: 11px; background: #fff; }
.compact-config.is-open { border-color: #bfd0ec; box-shadow: 0 7px 22px rgba(28,41,64,.045); }
.compact-config-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 67px; padding: 12px 15px; }
.compact-config-head > div:first-child { display: flex; min-width: 0; align-items: center; gap: 10px; }
.compact-config-head h3 { margin: 0; font-size: 13px; }
.compact-config-head p { overflow: hidden; max-width: min(70vw, 680px); margin: 4px 0 0; color: var(--muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.step-mark { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: var(--blue-soft); color: var(--blue); font-size: 10px; font-weight: 800; }
.compact-config-actions { display: flex; flex: 0 0 auto; gap: 7px; }
.compact-config-body { padding: 0 15px 15px; border-top: 1px solid var(--line); }
.config-note { margin-top: 11px; color: var(--muted); font-size: 11px; }
.match-action-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 14px; }
.config-status { color: var(--muted); font-size: 11px; }
.mapping-list { display: grid; gap: 9px; }
.mapping-row { display: grid; grid-template-columns: 26px minmax(0, 1fr) 28px minmax(0, 1fr) auto; gap: 10px; align-items: end; padding: 10px; border: 1px solid var(--line); border-radius: 9px; background: #fbfcff; }
.mapping-row .field { min-width: 0; }
.mapping-index { display: grid; place-items: center; width: 24px; height: 24px; margin-bottom: 6px; border-radius: 7px; background: var(--blue-soft); color: var(--blue); font-size: 11px; font-weight: 800; }
.mapping-arrow { align-self: center; margin-top: 13px; color: #8b98aa; text-align: center; font-size: 17px; }
.mapping-remove { height: 36px; padding-inline: 11px; }
.clean-rule-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.rule-card { display: flex; gap: 9px; align-items: flex-start; padding: 12px; border: 1px solid var(--line); border-radius: 9px; background: #fbfcff; cursor: pointer; }
.rule-card input { margin-top: 2px; accent-color: var(--blue); }
.rule-card strong { display: block; font-size: 12px; }
.rule-card small { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; line-height: 1.4; }
.clean-options { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-top: 12px; }
.clean-config-sections { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 12px; }
.clean-config-section { min-width: 0; border: 1px solid var(--line); border-radius: 9px; background: #fff; }
.clean-config-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; min-height: 42px; padding: 11px 13px 9px; border-bottom: 1px solid var(--line); }
.clean-config-head strong { font-size: 12px; }
.clean-config-summary { min-width: 0; overflow: hidden; color: var(--muted); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.clean-config-body { padding: 0 13px 13px; }
.clean-options-duplicate, .clean-options-empty, .clean-options-normalize { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.clean-summary { margin-top: 12px; padding: 13px; border: 1px solid #bfd0ec; border-radius: 10px; background: var(--blue-soft); }
.clean-summary-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.clean-summary-head h3 { margin: 0; font-size: 13px; }
.clean-summary-head span { color: var(--muted); font-size: 10px; }
.clean-summary-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin-top: 10px; }
.clean-summary-item { display: grid; gap: 4px; min-width: 0; padding: 9px 10px; border: 1px solid rgba(57,117,232,.14); border-radius: 8px; background: #fff; }
.clean-summary-item span { color: var(--muted); font-size: 10px; }
.clean-summary-item strong { overflow: hidden; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.merge-dataset-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.dataset-check { display: flex; align-items: center; gap: 9px; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: #fbfcff; cursor: pointer; }
.dataset-check input { accent-color: var(--blue); }
.dataset-check strong { display: block; font-size: 12px; }
.dataset-check small { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; }
.check-inline { display: flex; align-items: center; gap: 7px; min-height: 36px; color: var(--muted); font-size: 11px; }
.check-inline input { accent-color: var(--blue); }
.clean-detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 15px 0; }
.clean-detail-grid h3 { margin: 0 0 7px; }
.mini-table { width: 100%; border-collapse: collapse; font-size: 11px; }
.mini-table th, .mini-table td { padding: 7px 8px; border-top: 1px solid var(--line); text-align: left; }
.mini-table th { color: var(--muted); font-size: 10px; }

.split-panel { max-width: 980px; }
.split-toolbar { align-items: end; }
.split-toolbar .field { min-width: 0; flex: 1 1 180px; }
.split-toolbar .dataset-select-field { flex: 1.4 1 260px; }
.split-summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin-top: 16px; }
.split-summary > div { display: grid; gap: 4px; min-width: 0; padding: 10px 11px; border: 1px solid var(--line); border-radius: 8px; background: #fbfcff; }
.split-summary span { color: var(--muted); font-size: 10px; }
.split-summary strong { font-size: 17px; }
.split-groups-section { margin-top: 17px; }
.split-section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 9px; }
.split-section-heading h3 { margin: 0; font-size: 13px; }
.split-section-heading span { color: var(--muted); font-size: 10px; }
.split-group-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px; max-height: 310px; overflow-y: auto; }
.split-group-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-width: 0; padding: 9px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.split-group-row strong { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
.split-group-row span { flex: 0 0 auto; color: var(--muted); font-size: 10px; }
.split-group-row .split-group-sheet-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.split-output-mode { min-width: 260px; }
.split-empty-groups { padding: 14px; border: 1px dashed var(--line); border-radius: 8px; color: var(--muted); font-size: 11px; text-align: center; }
.split-export-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 17px; padding-top: 14px; border-top: 1px solid var(--line); }
.split-export-row > div { display: grid; gap: 4px; min-width: 0; }
.split-export-row strong { font-size: 12px; }
.split-export-row small { overflow: hidden; color: var(--muted); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }

.formula-builder-shell { max-width: 1120px; }
.formula-builder-header { align-items: center; }
.formula-builder-header .dataset-select-field { min-width: 0; }
.formula-builder-header .dataset-select-field .dataset-select { min-width: min(360px, 44vw); }
.formula-builder-modebar { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 18px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 11px; font-weight: 700; }
.formula-mode-switch { display: flex; gap: 7px; }
.formula-mode-switch .is-selected { border-color: #bfd0ec; background: var(--blue-soft); color: #315941; }
.formula-builder-body { padding: 17px 18px; }
.formula-builder-columns { display: grid; grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr); gap: 20px; }
.formula-field-panel { min-width: 0; padding-right: 18px; border-right: 1px solid var(--line); }
.formula-panel-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.formula-panel-heading h3 { margin: 0; font-size: 13px; }
.formula-panel-heading small { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; font-weight: 400; }
.formula-panel-heading > span { color: var(--muted); font-size: 10px; }
.formula-field-search { display: grid; gap: 6px; margin-bottom: 14px; }
.formula-field-search label { color: var(--muted); font-size: 11px; font-weight: 700; }
.formula-field-search input { width: 100%; height: var(--control-height); min-height: var(--control-height); padding: var(--control-padding); border: 1px solid var(--control-border); border-radius: var(--control-radius); background: #fff; color: var(--ink); font-size: 12px; outline: none; }
.formula-field-search input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(91,138,112,.12); }
.formula-field-group { margin-top: 14px; }
.formula-field-group-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 7px; }
.formula-field-group-head h4 { margin: 0; font-size: 11px; }
.formula-field-group-head span { color: var(--muted); font-size: 10px; }
.formula-field-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); gap: 8px; max-height: 260px; overflow-y: auto; }
.formula-field-item { display: flex; align-items: center; min-width: 0; min-height: 42px; padding: 7px 9px; border: 1px solid var(--line); border-radius: 8px; background: #fbfcff; color: var(--ink); text-align: left; }
button.formula-field-item { width: 100%; cursor: pointer; }
.formula-field-item:hover { border-color: #bfd0ec; background: #fff; }
.formula-field-item.is-dragging { opacity: .55; border-color: var(--blue); }
.formula-field-item strong { display: block; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
.formula-field-item small { display: block; margin-left: 4px; color: var(--muted); font-size: 9px; white-space: nowrap; }
.formula-field-review { background: #fffdf7; }
.formula-field-disabled { color: #78848f; background: #f7f8fa; }
.formula-workspace { min-width: 0; }
.formula-editor { display: flex; flex-wrap: wrap; align-items: center; align-content: flex-start; gap: 5px; min-height: 104px; padding: 13px; border: 1px solid var(--control-border); border-radius: 9px; background: #fbfcff; }
.formula-token-wrap { display: inline-flex; align-items: center; gap: 2px; border-radius: 7px; }
.formula-token-wrap.is-dragging { opacity: .55; }
.formula-token { height: 30px; padding: 0 9px; border: 1px solid #cfe0d4; border-radius: 7px; background: var(--green-soft); color: #315941; font-size: 12px; font-weight: 700; }
.formula-token-operator { border-color: #d8e0ec; background: #fff; color: var(--ink); }
.formula-token.is-cursor { box-shadow: 0 0 0 2px rgba(91,138,112,.2); }
.formula-drop-target { flex: 0 0 7px; width: 7px; height: 30px; padding: 0; border: 0; border-radius: 4px; background: transparent; color: #9bb8a4; font-size: 13px; line-height: 1; }
.formula-drop-target.is-active, .formula-drop-target.is-drag-over { background: var(--green-soft); color: var(--green); }
.formula-editor-placeholder { color: var(--muted); font-size: 12px; }
.formula-trash-zone { display: grid; place-items: center; height: 34px; margin-top: 8px; overflow: hidden; border: 1px dashed transparent; border-radius: 8px; color: transparent; font-size: 11px; transition: .16s ease; }
.formula-trash-zone.is-available { border-color: #e4b4b4; background: #fff8f8; color: var(--red); }
.formula-trash-zone.is-drag-over { border-color: var(--red); background: var(--red-soft); }
.formula-validation { min-height: 22px; margin-top: 8px; font-size: 11px; }
.formula-validation-valid { color: var(--green); }
.formula-validation-empty, .formula-validation-incomplete { color: var(--muted); }
.formula-validation-error { color: var(--red); }
.formula-operator-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 5px; }
.formula-operator { display: grid; place-items: center; min-width: 36px; padding-inline: 9px; cursor: grab; }
.formula-operator.is-dragging { opacity: .55; }
.formula-preview-line { display: flex; align-items: baseline; gap: 10px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
.formula-preview-line span { flex: 0 0 auto; color: var(--muted); font-size: 11px; font-weight: 700; }
.formula-preview-line code { min-width: 0; overflow-wrap: anywhere; color: var(--ink); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.formula-result-row { display: flex; align-items: end; gap: 10px; margin-top: 14px; }
.formula-result-row .field { flex: 1 1 auto; min-width: 0; }
.formula-result-row .primary-button { flex: 0 0 auto; }
.formula-builder-notice { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; padding: 8px 10px; border-radius: 8px; background: var(--amber-soft); color: #7b5b20; font-size: 11px; }
.formula-builder-notice .text-button { font-size: 11px; }
.advanced-calculation-body { padding: 17px 18px; }
.advanced-calculation-body .toolbar { padding: 0; border: 0; background: transparent; }

.dataset-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.dataset-list .dataset-row { grid-template-columns: minmax(0, 1fr); align-content: space-between; height: 100%; gap: 10px; }
.dataset-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 11px 12px; border: 1px solid var(--line); border-radius: 7px; background: #fff; }
.dataset-row:hover { border-color: #bfd0ec; }
.dataset-name { display: flex; align-items: center; gap: 9px; min-width: 0; }
.dataset-name strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
.dataset-name small { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; }
.dataset-actions { display: flex; flex-wrap: wrap; gap: 7px; }
.dataset-filter-empty { min-height: 180px; margin-bottom: 0; }

.preview-table-wrap { overflow-x: auto; overflow-y: hidden; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.preview-table { width: 100%; border-collapse: collapse; min-width: 620px; font-size: 11px; }
.preview-table th { position: sticky; top: 0; padding: 10px; background: #f5f8fd; color: #536174; font-weight: 700; text-align: left; white-space: nowrap; }
.preview-table td { max-width: 210px; padding: 9px 10px; border-top: 1px solid var(--line); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.result-table td { max-width: 260px; white-space: normal; overflow-wrap: anywhere; vertical-align: top; }
.preview-table tr:hover td { background: #fbfcff; }
.preview-caption { display: flex; justify-content: space-between; gap: 12px; margin: 10px 2px 0; color: var(--muted); font-size: 11px; }

.summary-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; margin: 17px 0; }
.summary-card { padding: 13px; border-radius: 10px; background: #fff; border: 1px solid var(--line); }
.summary-card .summary-value { margin-top: 8px; font-size: 22px; font-weight: 750; }
.summary-card .summary-label { color: var(--muted); font-size: 10px; }
.result-table td.status { font-weight: 700; }
.status-match { color: var(--green); }
.status-diff { color: var(--amber); }
.status-missing, .status-error { color: var(--red); }
.status-duplicate { color: #9a6a00; }

.notice { display: flex; gap: 10px; align-items: flex-start; padding: 12px 13px; border-radius: 9px; background: var(--amber-soft); color: #7b5b20; font-size: 11px; line-height: 1.55; }
.notice strong { display: block; margin-bottom: 2px; color: #5d461b; }
.inline-code { padding: 2px 5px; border-radius: 4px; background: #f0f3f8; color: #3d4a60; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; }
.step-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.step-card { padding: 16px; border: 1px solid var(--line); border-radius: 11px; background: #fff; }
.step-number { color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.step-card h3 { margin-top: 12px; }
.step-card p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.55; }

.toast-region { position: fixed; right: 20px; bottom: 20px; z-index: 10; display: grid; gap: 8px; }
.toast { max-width: 340px; padding: 11px 13px; border: 1px solid #cad6e7; border-radius: 9px; background: #fff; box-shadow: 0 12px 35px rgba(22,36,57,.14); color: var(--ink); font-size: 12px; animation: toast-in .18s ease; }
@keyframes toast-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 1300px) {
  .dataset-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 980px) {
  .workspace-layout { grid-template-columns: 200px minmax(0, 1fr); }
  .sidebar { padding: 20px 10px 16px; }
  .nav-item { white-space: nowrap; padding-inline: 10px; }
  .nav-icon { flex: 0 0 18px; font-size: 17px; }
  .main-content { padding: 28px 24px 44px; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .two-column { grid-template-columns: 1fr; }
  .dataset-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dataset-search { min-width: 180px; }
  .clean-rule-grid, .clean-options, .clean-options-duplicate, .clean-options-empty, .clean-options-normalize { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .clean-config-sections { grid-template-columns: 1fr; }
  .formula-builder-columns { grid-template-columns: 1fr; }
  .formula-field-panel { padding-right: 0; padding-bottom: 17px; border-right: 0; border-bottom: 1px solid var(--line); }
  .formula-field-list { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); max-height: 210px; }
}

@media (max-width: 640px) {
  .topbar { flex-basis: auto; height: auto; min-height: 68px; padding: 14px 18px; gap: 14px; align-items: flex-start; }
  .topbar-meta { display: none; }
  .workspace-layout { display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto minmax(0, 1fr); }
  .sidebar { position: relative; z-index: 5; width: 100%; height: auto; min-height: 58px; padding: 7px 9px; overflow-x: auto; overflow-y: hidden; }
  .sidebar-label, .sidebar-footer { display: none; }
  .nav-list { display: flex; width: max-content; min-width: 100%; gap: 3px; }
  .nav-item { min-width: max-content; flex: 0 0 auto; justify-content: flex-start; padding: 10px 11px; }
  .nav-item span:last-child { display: inline; }
  .nav-icon { flex-basis: 16px; font-size: 15px; }
  .main-content { height: auto; padding: 24px 15px 40px; }
  .page-heading { display: block; }
  .page-actions { margin-top: 15px; }
  .metric-grid, .summary-grid, .step-grid { grid-template-columns: 1fr 1fr; }
  .summary-grid .summary-card:last-child { grid-column: 1 / -1; }
  .source-grid { grid-template-columns: 1fr; }
  .clean-detail-grid { grid-template-columns: 1fr; }
  .merge-dataset-list, .clean-rule-grid, .clean-options { grid-template-columns: 1fr; }
  .clean-options-duplicate, .clean-options-empty, .clean-options-normalize, .clean-summary-list { grid-template-columns: 1fr; }
  .clean-summary-head { display: block; }
  .clean-summary-head span { display: block; margin-top: 4px; }
  .dataset-toolbar { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .dataset-search { grid-column: 1 / -1; min-width: 0; }
  .dataset-toolbar .field, .dataset-toolbar .field select { width: 100%; }
  .dataset-list { grid-template-columns: 1fr; }
  .field select.dataset-select { width: 100%; min-width: 0; }
  .dataset-row { grid-template-columns: 1fr; }
  .dataset-actions { justify-content: flex-start; flex-wrap: wrap; }
  .compact-config-head { align-items: flex-start; }
  .compact-config-head p { max-width: 46vw; }
  .mapping-row { grid-template-columns: 26px minmax(0, 1fr) 20px minmax(0, 1fr); }
  .mapping-remove { grid-column: 2 / -1; width: max-content; }
  .formula-builder-header { display: block; }
  .formula-builder-header .dataset-select-field { margin-top: 10px; }
  .formula-builder-header .dataset-select-field .dataset-select { width: 100%; min-width: 0; }
  .formula-builder-modebar { display: block; }
  .formula-mode-switch { margin-top: 9px; }
  .formula-mode-switch .secondary-button { flex: 1 1 0; }
  .formula-builder-body, .advanced-calculation-body { padding: 15px; }
  .formula-result-row { display: grid; grid-template-columns: 1fr; }
  .formula-result-row .primary-button { width: 100%; }
  .formula-field-list { grid-template-columns: repeat(2, minmax(0, 1fr)); max-height: none; }
  .split-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split-export-row { align-items: stretch; flex-direction: column; }
  .split-export-row .primary-button { width: 100%; }
}