:root {
  --bg: #17191b;
  --panel: #202326;
  --panel-2: #282c30;
  --panel-3: #30353a;
  --line: #3b4147;
  --muted: #929aa3;
  --text: #e3e7eb;
  --accent: #4ec9b0;
  --accent-2: #569cd6;
  --danger: #d16969;
  --warning: #dcdcaa;
}
* { box-sizing: border-box; }
html, body { margin: 0; width: 100%; height: 100%; }
body {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 13px;
}
button, input, select, textarea { font: inherit; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
nav {
  height: 44px;
  flex: none;
  display: flex;
  align-items: center;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  background: #202225;
}
.nav-links { display: flex; height: 100%; }
.nav-links a {
  display: flex;
  align-items: center;
  padding: 0 14px;
  border-bottom: 2px solid transparent;
  color: #9299a0;
  text-decoration: none;
  font-size: 13px;
  font-weight: 650;
}
.nav-links a:hover { color: #fff; }
.nav-links a.active { color: #fff; border-bottom-color: var(--accent); }
.brand { margin-left: auto; display: flex; align-items: center; gap: 9px; color: #a6adb4; font-size: 12px; }
.brand-mark {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #102421;
  font-weight: 900;
}
.app-main { min-height: 0; flex: 1; display: flex; flex-direction: row; overflow: hidden; }
.preparation-sidebar { flex: none; }
.preparation-scroll { min-height: 0; }
.preparation-panel {
  max-height: none;
}
.preparation-panel > summary {
  min-height: 36px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.preparation-panel > summary::-webkit-details-marker { display: none; }
.preparation-panel > summary::before { content: "▸"; color: var(--accent); font-size: 15px; }
.preparation-panel[open] > summary::before { content: "▾"; }
.preparation-panel > summary strong { font-size: 13px; letter-spacing: .03em; }
.preparation-content { max-height: none; overflow: visible; padding: 2px 12px 12px; }
.preparation-intro { margin: 9px 0 4px; color: var(--muted); font-size: 10px; line-height: 1.45; }
.prepared-dimensions { margin-bottom: 9px; color: var(--accent); font-size: 11px; font-weight: 700; }
.prep-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin-bottom: 10px; }
.prep-toolbar .prep-status { flex: 1 0 100%; }
.prep-status { color: var(--muted); font-size: 11px; }
.prep-status.loading { color: var(--accent-2); }
.prep-status.success { color: var(--accent); }
.prep-status.error, .error-text { color: #f18b82; }
.prep-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; align-items: start; }
.prep-column, .result-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}
.prep-column { padding: 10px; min-width: 0; }
.panel-title, .mini-header, .filter-header { display: flex; align-items: center; gap: 8px; }
.panel-title { margin-bottom: 8px; }
.panel-title h2 { margin: 0; flex: 1; font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: #d5d9dd; }
.step-badge {
  min-width: 19px;
  height: 19px;
  display: inline-grid;
  place-items: center;
  border-radius: 10px;
  background: #4ec9b026;
  color: var(--accent);
  font-size: 10px;
  font-weight: 800;
}
.prep-card, .operation-card {
  margin-top: 7px;
  padding: 8px;
  border: 1px solid #3c4247;
  border-radius: 6px;
  background: #292d31;
}
.prep-card-head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.dataset-alias { flex: 1; min-width: 80px; font-weight: 700; }
.dataset-path { margin-top: 5px; overflow: hidden; color: #9099a1; font: 10px Consolas, monospace; text-overflow: ellipsis; white-space: nowrap; }
.dataset-dimensions { margin-top: 3px; color: var(--accent); font-size: 10px; }
.mini-header { margin-top: 9px; color: #b8c0c7; font-size: 10px; font-weight: 750; text-transform: uppercase; letter-spacing: .05em; }
.mini-header span { flex: 1; }
.variable-chips { min-height: 20px; margin: 5px 0; }
.variable-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin: 2px 4px 2px 0;
  padding: 2px 6px;
  border: 1px solid #4b5258;
  border-radius: 12px;
  background: #30353a;
  font-size: 10px;
}
.variable-chip-type { color: var(--accent); font-size: 9px; font-weight: 800; text-transform: uppercase; }
.chip-action { padding: 0; border: 0; background: transparent; color: #aab1b8; cursor: pointer; font-size: 9px; }
.chip-action:hover { color: #fff; }
.chip-action.danger:hover { color: var(--danger); }
.operation-title { margin-bottom: 7px; color: #f1f3f5; font-size: 11px; font-weight: 750; }
.field { display: block; margin: 7px 0; }
.field-label { display: block; margin-bottom: 3px; color: #aeb5bc; font-size: 10px; font-weight: 700; }
.field-hint { display: block; margin-top: 3px; color: #7f8992; font-size: 9px; line-height: 1.4; }
.input, select, textarea {
  width: 100%;
  min-width: 0;
  padding: 6px 7px;
  border: 1px solid #4b5259;
  border-radius: 4px;
  outline: none;
  background: #34393e;
  color: var(--text);
  font-size: 11px;
}
.input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; font-family: Consolas, monospace; }
.checkbox-line { display: block; margin: 7px 0; color: #aeb5bc; font-size: 10px; }
.btn {
  padding: 6px 10px;
  border: 1px solid #50575e;
  border-radius: 4px;
  background: #33383c;
  color: #dbe0e4;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}
.btn:hover:not(:disabled) { background: #41474c; }
.btn:disabled { cursor: default; opacity: .55; }
.btn-primary { border-color: #3da893; background: #25796c; color: #fff; }
.btn-primary:hover:not(:disabled) { background: #2f9181; }
.btn-small { padding: 4px 7px; font-size: 10px; }
.btn-danger { border-color: #794242; background: #51292a; color: #efaaaa; }
.prep-empty, .filter-empty { padding: 12px 5px; color: #7e8790; font-size: 10px; text-align: center; }
.prep-empty.compact { padding: 7px 4px; }
.muted { color: var(--muted); font-size: 10px; }
.filter-builder { margin-top: 8px; padding-top: 7px; border-top: 1px solid #3a4045; }
.filter-header { margin-bottom: 6px; }
.filter-title { color: var(--accent-2); font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.filter-help { flex: 1; color: #78828a; font-size: 9px; }
.filter-rows { display: flex; flex-direction: column; gap: 5px; }
.filter-row { display: grid; grid-template-columns: 54px minmax(105px, 1fr) minmax(110px, .8fr) minmax(120px, 1.1fr) auto; gap: 5px; align-items: start; }
.filter-row select, .filter-row input { padding: 5px 6px; font-size: 10px; }
.filter-combinator-label { padding: 6px 0; color: #78828a; font-size: 9px; font-weight: 800; text-align: center; }
.filter-value-host { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.filter-placeholder { padding: 6px; color: #78828a; font-size: 9px; }
.filter-note { color: #7f8992; font-size: 9px; }
.prep-preview-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; margin-top: 10px; }
.prep-preview-card { min-width: 0; padding: 8px; border: 1px solid var(--line); border-radius: 7px; background: var(--panel); }
.prep-preview-card h3 { margin: 0 0 6px; color: #cbd1d6; font-size: 10px; text-transform: uppercase; letter-spacing: .05em; }
.trace-row { display: flex; justify-content: space-between; gap: 10px; padding: 3px 6px; border-radius: 3px; background: #2b3034; color: #aeb6bc; font-size: 10px; }
.trace-row + .trace-row { margin-top: 3px; }
.trace-warning, .result-warning { margin-top: 4px; color: var(--warning); font-size: 10px; }
.prep-peek { max-height: 210px; overflow: auto; }
.explorer-workspace { min-height: 0; flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.tab-toolbar { height: 45px; flex: none; display: flex; align-items: stretch; overflow: hidden; padding: 0 12px; border-bottom: 1px solid var(--line); background: #24272a; }
.module-tabs { min-width: 0; display: flex; flex: 1; align-self: stretch; overflow-x: auto; overflow-y: hidden; }
.module-tab {
  flex: none;
  padding: 0 18px;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  color: #8f979f;
  font-size: 11px;
  font-weight: 750;
  cursor: pointer;
}
.module-tab:hover { color: #e4e7ea; background: #292d31; }
.module-tab.active { border-bottom-color: var(--accent); color: #fff; }
.tab-toolbar .grow, .active-module { display: none; }
.tab-toolbar > .btn { flex: none; align-self: center; margin-left: 8px; }
.module-panels { min-height: 0; flex: 1; position: relative; overflow: hidden; }
.module-panel { width: 100%; height: 100%; overflow: auto; padding: 13px 16px 30px; }
.module-panel[hidden] { display: none; }
.module-header { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 10px; }
.module-header-text { flex: 1; }
.module-header h1 { margin: 0 0 3px; color: #f0f2f4; font-size: 16px; }
.module-header p { margin: 0; color: #89929a; font-size: 11px; line-height: 1.45; }
.module-controls { display: grid; grid-template-columns: minmax(260px, 1fr) minmax(260px, 1fr); gap: 10px; margin-bottom: 10px; }
.control-card { padding: 9px 10px; border: 1px solid var(--line); border-radius: 7px; background: var(--panel); }
.control-card h2 { margin: 0 0 7px; color: #cdd3d8; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; }
.control-card select[multiple] { min-height: 92px; }
.filter-card { grid-column: 1 / -1; }
.filter-card .filter-builder { margin: 0; padding: 0; border: 0; }
.result-host { min-height: 220px; }
.module-empty, .module-loading, .module-error {
  margin: 45px auto;
  max-width: 680px;
  padding: 28px;
  border: 1px dashed #485159;
  border-radius: 10px;
  background: #1d2023;
  color: #7f8992;
  text-align: center;
  line-height: 1.6;
}
.module-loading { color: var(--accent-2); }
.module-error { border-color: #754141; color: #ef8a83; }
.metric-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; margin-bottom: 10px; }
.compact-metrics { grid-template-columns: repeat(3, minmax(150px, 230px)); }
.metric-card { min-height: 76px; display: flex; flex-direction: column; padding: 11px; border: 1px solid var(--line); border-radius: 7px; background: linear-gradient(145deg, #25292c, #202326); }
.metric-label { color: #8c959d; font-size: 10px; text-transform: uppercase; letter-spacing: .05em; }
.metric-value { margin-top: 6px; color: #f0f3f5; font-size: 18px; font-weight: 700; overflow-wrap: anywhere; }
.metric-detail { margin-top: 3px; color: #7f8992; font-size: 9px; }
.result-card { min-width: 0; padding: 10px; margin-bottom: 10px; }
.result-card h3 { margin: 0 0 8px; color: #dfe3e6; font-size: 12px; }
.source-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 7px; }
.source-card { display: flex; flex-direction: column; gap: 3px; padding: 8px; border: 1px solid #3b4247; border-radius: 5px; background: #292d31; color: #939ca4; font-size: 10px; }
.source-card strong { color: #e2e5e8; font-size: 11px; }
.table-block { min-width: 0; }
.table-scroll { max-height: 470px; overflow: auto; border: 1px solid #3a4045; }
.data-table { width: 100%; border-collapse: collapse; background: #23272a; font-size: 10px; }
.data-table th, .data-table td { padding: 5px 7px; border-right: 1px solid #3b4147; border-bottom: 1px solid #363c41; text-align: left; white-space: nowrap; }
.data-table th { position: sticky; top: 0; z-index: 1; background: #30353a; color: #bdd8d3; font-weight: 750; }
.data-table tbody tr:nth-child(even) { background: #272b2f; }
.data-table tbody tr:hover { background: #30363b; }
.data-table .numeric-cell { text-align: right; font-variant-numeric: tabular-nums; }
.compact-table { width: max-content; min-width: 100%; }
.table-pagination { display: flex; justify-content: flex-end; align-items: center; gap: 8px; margin-top: 7px; }
.pagination-label { min-width: 140px; color: #8d969e; font-size: 10px; text-align: center; }
.value-layout.single { display: grid; grid-template-columns: minmax(320px, 1.15fr) minmax(280px, .85fr); gap: 10px; align-items: start; }
.chart-card { overflow: hidden; }
.chart-host { min-height: 300px; }
.chart-empty { padding: 70px 15px; color: #7d868e; text-align: center; }
.pie-wrap { display: grid; grid-template-columns: minmax(180px, .9fr) minmax(130px, 1.1fr); align-items: center; gap: 10px; }
.pie-wrap svg { width: 100%; max-height: 310px; }
.chart-legend { max-height: 300px; overflow: auto; }
.legend-item { display: grid; grid-template-columns: 10px minmax(90px, 1fr) auto; gap: 6px; align-items: center; padding: 4px 0; color: #aab2b9; font-size: 10px; }
.legend-swatch { width: 9px; height: 9px; border-radius: 2px; }
.legend-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.legend-value { color: #7f8992; font-variant-numeric: tabular-nums; }
.stats-card { max-width: 520px; }
.wide-chart { width: 100%; }
.waterfall-scroll { width: 100%; overflow-x: auto; overflow-y: hidden; border: 1px solid #363d42; background: #202427; }
.result-note { margin: 0 0 8px; color: #8f989f; font-size: 10px; }
.result-warning { padding: 7px 9px; border: 1px solid #7b6f38; border-radius: 4px; background: #39351f; }
.app-status { height: 24px; flex: none; padding: 5px 14px; background: #2c3034; color: #9aa2aa; font-size: 10px; }
.builder-ui .app-status.loading { background: #244f68; color: #b9def2; }
.builder-ui .app-status.success { background: #276c61; color: #e3fffa; }
.builder-ui .app-status.error { background: #873a3a; color: #fff; }
.modal-overlay { display: none; position: fixed; inset: 0; z-index: 1000; align-items: center; justify-content: center; background: #000b; }
.modal-overlay.open { display: flex; }
.modal { width: min(760px, 92vw); max-height: 88vh; display: flex; flex-direction: column; border: 1px solid #4a5056; border-radius: 9px; background: #25282b; box-shadow: 0 18px 70px #000; }
.modal.wide { width: min(980px, 94vw); }
.modal-header, .modal-footer { display: flex; align-items: center; gap: 8px; padding: 11px 14px; border-bottom: 1px solid #3c4247; }
.modal-header h2 { margin: 0; flex: 1; font-size: 14px; }
.modal-footer { justify-content: flex-end; border-top: 1px solid #3c4247; border-bottom: 0; }
.modal-body { padding: 13px 15px; overflow: auto; }
.modal-close { border: 0; background: transparent; color: #999; font-size: 20px; cursor: pointer; }
.editor-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.editor-panel { margin-top: 8px; padding-top: 8px; border-top: 1px solid #3b4147; }
.variable-preview { margin-top: 8px; padding: 8px; border-radius: 5px; background: #1d2022; }
.preview-values { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 5px; }
.value-pill { padding: 2px 5px; border-radius: 10px; background: #30383c; color: #b9c0c5; font-size: 9px; }
.code-text { margin: 0; max-height: 65vh; overflow: auto; white-space: pre-wrap; font: 11px Consolas, monospace; color: #d7dadd; }
[hidden] { display: none !important; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #1d2022; }
::-webkit-scrollbar-thumb { border-radius: 5px; background: #485057; }
.preparation-sidebar .filter-header { flex-wrap: wrap; }
.preparation-sidebar .filter-help { flex: 1 0 100%; order: 3; }
.preparation-sidebar .filter-row {
  grid-template-columns: 54px minmax(0, 1fr) auto;
}
.preparation-sidebar .filter-combinator,
.preparation-sidebar .filter-combinator-label { grid-column: 1; grid-row: 1; }
.preparation-sidebar .filter-variable { grid-column: 2 / 4; grid-row: 1; }
.preparation-sidebar .filter-operator { grid-column: 1 / 3; grid-row: 2; }
.preparation-sidebar .filter-row > .btn-danger { grid-column: 3; grid-row: 2; }
.preparation-sidebar .filter-value-host { grid-column: 1 / 4; grid-row: 3; }
@media (max-width: 1100px) {
  .value-layout.single { grid-template-columns: 1fr; }
  .module-controls { grid-template-columns: 1fr; }
  .filter-card { grid-column: auto; }
  .module-tab { padding: 0 10px; }
}