:root {
  --bg: #f5f7f6;
  --surface: #ffffff;
  --ink: #22302c;
  --muted: #64706b;
  --line: #dfe5e2;
  --teal: #0f766e;
  --teal-ink: #075e57;
  --amber: #a46116;
  --green: #1f7a4d;
  --red: #b42318;
  --soft-teal: #e8f4f2;
  --soft-amber: #fff3db;
  --shadow: 0 12px 34px rgba(22, 42, 36, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 15px;
  letter-spacing: 0;
}

button,
input,
select {
  font: inherit;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 24px clamp(18px, 4vw, 44px);
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

.topbar h1 {
  margin: 2px 0 0;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.05;
  font-weight: 760;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0;
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.status-pill {
  min-width: 160px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 14px;
  color: var(--muted);
  text-align: center;
  white-space: nowrap;
}

.layout {
  width: min(1480px, calc(100% - 32px));
  margin: 22px auto 48px;
  display: grid;
  gap: 18px;
}

.tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tab-button {
  min-height: 40px;
  border-color: var(--line);
  background: #ffffff;
}

.tab-button.is-active {
  border-color: var(--teal);
  background: var(--soft-teal);
  color: var(--teal-ink);
}

.tab-page {
  display: none;
  gap: 18px;
}

.tab-page.is-active {
  display: grid;
}

.upload-panel,
.toolbar,
.filters,
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.upload-panel {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 20px;
}

.upload-panel h2,
.panel h2 {
  margin: 0;
  font-size: 18px;
  line-height: 1.25;
}

.upload-panel p {
  max-width: 820px;
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.upload-actions {
  display: grid;
  gap: 10px;
  justify-items: end;
}

.upload-form,
.link-form {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.upload-form input[type="file"] {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
}

.link-form input {
  width: min(420px, 42vw);
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  color: var(--ink);
  background: #ffffff;
}

button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 16px;
  background: #ffffff;
  color: var(--ink);
  cursor: pointer;
  font-weight: 700;
}

button:hover {
  border-color: var(--teal);
}

button[type="submit"] {
  border-color: var(--teal);
  background: var(--teal);
  color: #ffffff;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.message-area {
  grid-column: 1 / -1;
  display: grid;
  gap: 8px;
}

.message {
  border-radius: 8px;
  padding: 10px 12px;
  line-height: 1.45;
}

.message.error {
  background: #fff0ee;
  color: var(--red);
  border: 1px solid #ffd1cb;
}

.message.warning {
  background: var(--soft-amber);
  color: #704008;
  border: 1px solid #f5cf91;
}

.message.success {
  background: var(--soft-teal);
  color: var(--teal-ink);
  border: 1px solid #bce3de;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
}

.target-control {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.switch input {
  position: absolute;
  opacity: 0;
}

.switch-track {
  position: relative;
  width: 46px;
  height: 26px;
  flex: 0 0 46px;
  border-radius: 999px;
  background: #c9d3cf;
  transition: background 160ms ease;
}

.switch-track::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  transition: transform 160ms ease;
}

.switch input:checked + .switch-track {
  background: var(--teal);
}

.switch input:checked + .switch-track::after {
  transform: translateX(20px);
}

.mode-copy {
  max-width: 440px;
  color: var(--muted);
  text-align: right;
}

.toolbar-actions {
  margin-left: auto;
}

.target-range {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.target-range label {
  display: grid;
  gap: 5px;
}

.target-range input {
  width: 112px;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 10px;
  color: var(--ink);
  background: #ffffff;
}

.target-range.is-disabled {
  opacity: 0.5;
}

.target-range.is-disabled input {
  pointer-events: none;
}

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

.analytics-kpis {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.analytics-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(140px, 180px)) minmax(260px, 1fr);
  gap: 12px;
  align-items: end;
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.analytics-insight {
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  color: var(--teal-ink);
  font-weight: 700;
  line-height: 1.4;
  text-align: right;
}

.executive-kpis {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.executive-note {
  border: 1px solid #bce3de;
  border-radius: 8px;
  padding: 14px 16px;
  background: var(--soft-teal);
  color: var(--teal-ink);
  font-weight: 700;
  line-height: 1.45;
}

.executive-note.warning {
  border-color: #f5cf91;
  background: var(--soft-amber);
  color: #704008;
}

.executive-grid {
  align-items: stretch;
}

.kpi {
  min-height: 116px;
  display: grid;
  align-content: space-between;
  gap: 12px;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.kpi span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.kpi strong {
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.1;
}

.filters {
  display: grid;
  grid-template-columns: repeat(5, minmax(140px, 1fr));
  gap: 12px;
  padding: 14px;
}

label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

select {
  width: 100%;
  min-height: 40px;
  margin-top: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  padding: 0 10px;
}

.grid-two {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.55fr);
  gap: 18px;
}

.panel {
  min-width: 0;
  overflow: hidden;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.panel-heading span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.table-wrap {
  overflow: auto;
}

.table-wrap.wide {
  max-height: 520px;
}

table {
  width: 100%;
  border-collapse: collapse;
  table-layout: auto;
}

th,
td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f9fbfa;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

th.sortable {
  cursor: pointer;
  user-select: none;
}

th.sortable::after {
  content: "  \2195";
  color: #9aa6a1;
  font-size: 11px;
}

th.sortable.sorted-asc::after {
  content: "  \2191";
  color: var(--teal);
}

th.sortable.sorted-desc::after {
  content: "  \2193";
  color: var(--teal);
}

th.sortable:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: -3px;
}

td.numeric,
th.numeric {
  text-align: right;
}

tr.clickable {
  cursor: pointer;
}

tr.clickable:hover,
tr.selected {
  background: var(--soft-teal);
}

.positive {
  color: var(--green);
  font-weight: 800;
}

.negative {
  color: var(--red);
  font-weight: 800;
}

.empty {
  color: var(--muted);
  text-align: center;
  padding: 30px 12px;
}

.summary-list {
  display: grid;
  margin: 0;
  padding: 10px 18px 18px;
}

.summary-list div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.summary-list div:last-child {
  border-bottom: 0;
}

.summary-list dt {
  color: var(--muted);
  font-weight: 700;
}

.summary-list dd {
  margin: 0;
  font-weight: 800;
  text-align: right;
}

.chart-box {
  min-height: 210px;
  padding: 16px;
}

.compact-chart {
  min-height: 150px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.svg-chart {
  display: block;
  width: 100%;
  height: auto;
}

.chart-label {
  fill: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.chart-value {
  fill: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.chart-positive {
  fill: var(--green);
}

.chart-negative {
  fill: var(--red);
}

.chart-axis {
  stroke: var(--line);
  stroke-width: 2;
}

.line-chart circle {
  fill: #ffffff;
  stroke: var(--teal);
  stroke-width: 3;
}

.band-list,
.scenario-list,
.settings-grid,
.scenario-form {
  padding: 18px;
}

.band-list {
  display: grid;
  gap: 14px;
}

.band-row {
  display: grid;
  gap: 8px;
}

.band-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
}

.band-meta strong {
  color: var(--ink);
}

.band-track {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #e5ebe8;
}

.band-track span {
  display: block;
  height: 100%;
  min-width: 4px;
  border-radius: inherit;
  background: var(--teal);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 14px;
}

.settings-grid label,
.scenario-form label {
  display: grid;
  gap: 6px;
}

.settings-grid input,
.scenario-form input {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 10px;
  color: var(--ink);
  background: #ffffff;
}

.panel-actions {
  padding: 0 18px 18px;
}

.scenario-form {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) auto;
  gap: 12px;
  align-items: end;
  border-bottom: 1px solid var(--line);
}

.scenario-list {
  display: grid;
  gap: 10px;
}

.scenario-card {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.scenario-card p {
  margin: 4px 0 0;
  color: var(--muted);
}

.scenario-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

@media (max-width: 1100px) {
  .upload-panel,
  .grid-two {
    grid-template-columns: 1fr;
  }

  .upload-actions {
    justify-items: start;
  }

  .upload-form,
  .link-form {
    justify-content: flex-start;
  }

  .link-form input {
    width: min(520px, 100%);
  }

  .kpis {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .analytics-kpis,
  .analytics-controls,
  .settings-grid,
  .scenario-form {
    grid-template-columns: 1fr;
  }

  .analytics-insight {
    justify-content: flex-start;
    text-align: left;
  }

  .filters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .topbar,
  .toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .status-pill,
  .mode-copy {
    text-align: left;
  }

  .toolbar-actions {
    margin-left: 0;
  }

  .scenario-card,
  .band-meta {
    align-items: flex-start;
    flex-direction: column;
  }

  .layout {
    width: min(100% - 20px, 1480px);
  }

  .kpis,
  .filters {
    grid-template-columns: 1fr;
  }

  th,
  td {
    padding: 10px;
  }
}