:root {
  color-scheme: light;
  --surface-strong: rgb(255 255 255 / 0.92);
  --line: rgb(62 79 69 / 0.16);
  --line-soft: rgb(62 79 69 / 0.1);
  --glass-edge: rgb(255 255 255 / 0.82);
  --glass-shadow: 0 20px 50px rgb(38 59 49 / 0.1),
    0 2px 8px rgb(38 59 49 / 0.045),
    inset 0 1px 0 rgb(255 255 255 / 0.9),
    0 0 0 1px rgb(57 78 67 / 0.08);
  --text: #191918;
  --muted: #6d6d68;
  --quiet: #92928c;
  --accent: #255f4b;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--text);
  font-size: 16px;
  line-height: 1.45;
  transition: color 160ms ease, background-color 160ms ease;
}

button,
input,
select {
  font: inherit;
}

.page-shell {
  position: relative;
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 16px;
}

.page-header h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 650;
  letter-spacing: -0.025em;
}

.page-header p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 9px;
  border: 1px solid rgb(255 255 255 / 0.7);
  border-radius: 999px;
  color: var(--muted);
  background: rgb(255 255 255 / 0.5);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.78), 0 0 0 1px rgb(62 79 69 / 0.06);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
  font-size: 13px;
  white-space: nowrap;
}

.status i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  gap: 7px;
  padding: 4px 8px 4px 6px;
  border: 1px solid rgb(255 255 255 / 0.7);
  border-radius: 999px;
  color: var(--muted);
  background: rgb(255 255 255 / 0.5);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.78), 0 0 0 1px rgb(62 79 69 / 0.06);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
}

.theme-toggle:hover {
  border-color: rgb(82 101 91 / 0.24);
  background: rgb(255 255 255 / 0.72);
}

.theme-toggle-track {
  position: relative;
  display: block;
  width: 26px;
  height: 14px;
  border-radius: 999px;
  background: rgb(88 103 95 / 0.25);
  transition: background-color 160ms ease;
}

.theme-toggle-track i {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgb(25 35 30 / 0.24);
  transition: transform 160ms ease;
}

[data-theme="dark"] .theme-toggle-track i {
  transform: translateX(12px);
}

.workspace {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  align-items: start;
  gap: 14px;
}

.control-card,
.result-card {
  position: relative;
  min-width: 0;
  border: 1px solid var(--glass-edge);
  border-radius: 14px;
  background: rgb(251 252 251 / 0.95);
  box-shadow: var(--glass-shadow);
  -webkit-backdrop-filter: blur(28px) saturate(165%);
  backdrop-filter: blur(28px) saturate(165%);
}

.control-card::before,
.result-card::before {
  position: absolute;
  z-index: 2;
  top: 0;
  right: 14px;
  left: 14px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgb(255 255 255 / 0.96) 24%, rgb(255 255 255 / 0.96) 76%, transparent);
  content: "";
  pointer-events: none;
}

.control-card {
  position: sticky;
  top: 14px;
  padding: 16px;
}

.result-card {
  padding: 16px;
}

.card-heading,
.result-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.card-heading {
  margin-bottom: 14px;
}

.result-heading {
  margin-bottom: 12px;
}

.card-heading h2,
.result-heading h2 {
  margin: 0;
  font-size: 19px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.field-group {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.field-group + .field-group {
  margin-top: 14px;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}

.field {
  display: grid;
  min-width: 0;
  gap: 5px;
  margin-top: 9px;
}

.field-group > .field:first-of-type {
  margin-top: 0;
}

.field-grid .field {
  margin-top: 0;
}

.field-wide {
  grid-column: 1 / -1;
}

.field > span {
  color: #50504c;
  font-size: 14px;
  font-weight: 550;
}

.field-label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

input,
select {
  width: 100%;
  height: 42px;
  min-width: 0;
  padding: 0 9px;
  border: 1px solid rgb(65 79 71 / 0.19);
  border-radius: 6px;
  outline: none;
  color: var(--text);
  background: var(--surface-strong);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.8), 0 1px 2px rgb(38 59 49 / 0.025);
  transition: border-color 120ms ease, box-shadow 120ms ease;
}

select {
  padding-right: 28px;
}

input:hover,
select:hover {
  border-color: #bdbdb8;
}

input:focus,
select:focus {
  border-color: #6a8f80;
  box-shadow: 0 0 0 3px rgb(37 95 75 / 0.09);
}

.option-group {
  display: grid;
  gap: 7px;
}

.check-row {
  display: grid;
  grid-template-columns: 16px 1fr;
  align-items: start;
  gap: 8px;
  padding: 9px;
  border: 1px solid var(--line-soft);
  border-radius: 7px;
  background: rgb(255 255 255 / 0.62);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.76);
  cursor: pointer;
}

.check-row[hidden] {
  display: none;
}

.check-row input {
  width: 14px;
  height: 14px;
  margin: 2px 0 0;
  accent-color: var(--accent);
}

.check-row span {
  min-width: 0;
}

.check-row strong,
.check-row small {
  display: block;
}

.check-row strong {
  font-size: 14px;
  font-weight: 600;
}

.check-row small {
  margin-top: 1px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.empty-option {
  margin: 0;
  color: var(--quiet);
  font-size: 12px;
}

.option-group:has(.check-row:not([hidden])) .empty-option {
  display: none;
}

.primary-result {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  min-height: 98px;
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid rgb(119 167 145 / 0.34);
  border-radius: 10px;
  background: transparent;
  box-shadow: 0 3px 12px rgb(37 95 75 / 0.035);
  overflow: hidden;
}

.primary-result span {
  display: block;
  margin-bottom: 5px;
  color: #4f6e62;
  font-size: 14px;
  font-weight: 600;
}

.primary-result strong {
  display: block;
  color: #193f32;
  font-size: clamp(32px, 3vw, 40px);
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.primary-result em {
  margin-bottom: 2px;
  color: #547267;
  font-size: 14px;
  font-style: normal;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgb(255 255 255 / 0.58);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.7);
  overflow: hidden;
}

.metric {
  min-width: 0;
  padding: 11px 12px;
  background: rgb(255 255 255 / 0.66);
}

.metric + .metric {
  border-left: 1px solid var(--line-soft);
}

.metric span,
.metric strong {
  display: block;
  min-width: 0;
}

.metric span {
  min-height: 31px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.metric span small {
  display: inline;
  color: var(--quiet);
  font-size: 11px;
  white-space: nowrap;
}

.metric strong {
  margin-top: 4px;
  overflow: hidden;
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -0.015em;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.metric-total {
  background: rgb(242 247 244 / 0.76);
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  margin-top: 10px;
}

.breakdown-panel {
  margin-top: 10px;
  overflow: visible;
}

.formula-panel {
  overflow: visible;
}

.formula-panel > .panel-heading,
.breakdown-panel > .panel-heading {
  border-radius: 9px 9px 0 0;
}

.formula-panel > .cache-note {
  border-radius: 0 0 9px 9px;
}

.detail-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-strong);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.76);
  overflow: hidden;
}

.panel-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line-soft);
  background: rgb(244 247 245 / 0.74);
}

.panel-heading span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.panel-heading strong {
  overflow: hidden;
  font-size: 14px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.formula-list {
  padding: 5px 12px;
}

.formula-row {
  display: grid;
  grid-template-columns: minmax(106px, 0.42fr) 12px minmax(0, 1fr);
  gap: 5px;
  padding: 7px 0;
  border-bottom: 1px solid var(--line-soft);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  line-height: 1.45;
}

.formula-row:last-child {
  border-bottom: 0;
}

.formula-name {
  color: #3e574e;
  font-weight: 650;
  overflow-wrap: anywhere;
}

.formula-equals {
  color: var(--quiet);
  text-align: center;
}

.formula-expression {
  color: #555550;
  overflow-wrap: anywhere;
}

.cache-note {
  margin: 0;
  padding: 10px 12px;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  background: rgb(246 248 246 / 0.72);
  font-size: 13px;
  line-height: 1.5;
}

.breakdown {
  padding: 5px 12px;
}

.breakdown-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 36px;
  padding: 5px 0;
  border-bottom: 1px solid var(--line-soft);
}

.breakdown-row:last-child {
  border-bottom: 0;
}

.breakdown-row > span {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  color: var(--muted);
  font-size: 13px;
}

.breakdown-row > strong {
  flex: 0 0 auto;
  max-width: 48%;
  overflow-wrap: anywhere;
  font-size: 14px;
  font-weight: 650;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.kv-help {
  position: relative;
  display: inline-grid;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  place-items: center;
  margin-left: 5px;
  padding: 0;
  border: 1px solid #c9c9c4;
  border-radius: 50%;
  color: var(--muted);
  background: transparent;
  font-size: 11px;
  line-height: 1;
  cursor: help;
}

.kv-help::after {
  position: absolute;
  z-index: 10;
  left: 50%;
  bottom: calc(100% + 7px);
  width: 210px;
  padding: 7px 8px;
  border: 1px solid #cfcfca;
  border-radius: 5px;
  color: var(--text);
  background: rgb(255 255 255 / 0.96);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  backdrop-filter: blur(16px) saturate(150%);
  box-shadow: 0 4px 14px rgb(20 20 18 / 0.12);
  content: attr(data-tooltip);
  font-family: Inter, ui-sans-serif, sans-serif;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.4;
  opacity: 0;
  pointer-events: none;
  text-align: left;
  transform: translate(-50%, 3px);
  transition: opacity 100ms ease, transform 100ms ease;
}

.kv-help:hover::after,
.kv-help:focus-visible::after,
.kv-help[aria-expanded="true"]::after {
  opacity: 1;
  transform: translate(-50%, 0);
}

.source-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 0;
  padding: 9px 12px;
  border-top: 1px solid var(--line-soft);
  color: var(--quiet);
  font-size: 12px;
}

.source-row a {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: 5px;
  color: var(--muted);
  text-decoration: none;
}

.source-row a:hover {
  color: var(--accent);
}

.source-row a span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.source-row svg {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.4;
}

[hidden] {
  display: none !important;
}

@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .control-card,
  .result-card {
    background:
      linear-gradient(145deg, rgb(255 255 255 / 0.78), rgb(255 255 255 / 0.58) 48%, rgb(247 251 248 / 0.68));
  }
}

[data-theme="dark"] {
  color-scheme: dark;
  --surface-strong: rgb(24 31 27 / 0.92);
  --line: rgb(225 238 231 / 0.15);
  --line-soft: rgb(225 238 231 / 0.09);
  --glass-edge: rgb(255 255 255 / 0.13);
  --glass-shadow: 0 22px 54px rgb(0 0 0 / 0.34),
    0 2px 8px rgb(0 0 0 / 0.2),
    inset 0 1px 0 rgb(255 255 255 / 0.09),
    0 0 0 1px rgb(0 0 0 / 0.24);
  --text: #edf2ef;
  --muted: #a5afa9;
  --quiet: #78837d;
  --accent: #78b99b;
}

[data-theme="dark"] body {
  background-color: #0d1210;
}

[data-theme="dark"] .status,
[data-theme="dark"] .theme-toggle {
  border-color: rgb(255 255 255 / 0.12);
  color: var(--muted);
  background: rgb(24 31 27 / 0.72);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.08), 0 0 0 1px rgb(0 0 0 / 0.18);
}

[data-theme="dark"] .theme-toggle:hover {
  border-color: rgb(120 185 155 / 0.38);
  background: rgb(31 40 35 / 0.86);
}

[data-theme="dark"] .theme-toggle-track {
  background: rgb(120 185 155 / 0.62);
}

[data-theme="dark"] .theme-toggle-track i {
  background: #edf4f0;
  box-shadow: 0 1px 3px rgb(0 0 0 / 0.42);
}

[data-theme="dark"] .control-card,
[data-theme="dark"] .result-card {
  background: linear-gradient(145deg, rgb(29 37 33 / 0.88), rgb(18 24 21 / 0.76));
}

[data-theme="dark"] .control-card::before,
[data-theme="dark"] .result-card::before {
  background: linear-gradient(90deg, transparent, rgb(255 255 255 / 0.16) 24%, rgb(255 255 255 / 0.16) 76%, transparent);
}

[data-theme="dark"] .field > span {
  color: #c3cbc6;
}

[data-theme="dark"] input,
[data-theme="dark"] select {
  border-color: rgb(225 238 231 / 0.16);
  color: var(--text);
  background: rgb(15 20 18 / 0.74);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.05), 0 1px 2px rgb(0 0 0 / 0.16);
}

[data-theme="dark"] input:hover,
[data-theme="dark"] select:hover {
  border-color: rgb(225 238 231 / 0.28);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] select:focus {
  border-color: rgb(120 185 155 / 0.7);
  box-shadow: 0 0 0 3px rgb(120 185 155 / 0.12);
}

[data-theme="dark"] .check-row {
  background: rgb(255 255 255 / 0.035);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.045);
}

[data-theme="dark"] .primary-result {
  border-color: rgb(120 185 155 / 0.32);
  background: transparent;
  box-shadow: 0 3px 14px rgb(0 0 0 / 0.14);
}

[data-theme="dark"] .primary-result span,
[data-theme="dark"] .primary-result em {
  color: #9bbbaa;
}

[data-theme="dark"] .primary-result strong {
  color: #b8e1cd;
}

[data-theme="dark"] .metric-grid {
  background: rgb(12 17 15 / 0.38);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.04);
}

[data-theme="dark"] .metric {
  background: rgb(24 31 27 / 0.72);
}

[data-theme="dark"] .metric-total {
  background: rgb(15 21 18 / 0.82);
}

[data-theme="dark"] .detail-panel {
  background: rgb(20 27 23 / 0.88);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.05);
}

[data-theme="dark"] .panel-heading,
[data-theme="dark"] .cache-note {
  background: rgb(255 255 255 / 0.028);
}

[data-theme="dark"] .formula-name {
  color: #9fcbb5;
}

[data-theme="dark"] .formula-expression {
  color: #bbc4bf;
}

[data-theme="dark"] .breakdown-row > strong {
  color: #e2e9e5;
}

[data-theme="dark"] .kv-help {
  border-color: rgb(225 238 231 / 0.22);
  color: var(--muted);
}

[data-theme="dark"] .kv-help::after {
  border-color: rgb(225 238 231 / 0.18);
  color: var(--text);
  background: rgb(28 36 32 / 0.96);
  box-shadow: 0 8px 24px rgb(0 0 0 / 0.4);
}

@media (prefers-reduced-transparency: reduce) {
  .status,
  .theme-toggle,
  .control-card,
  .result-card,
  .primary-result,
  .kv-help::after {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  .control-card,
  .result-card {
    background: #fbfcfb;
  }

  [data-theme="dark"] .control-card,
  [data-theme="dark"] .result-card {
    background: #171d1a;
  }
}

@media (max-width: 920px) {
  .workspace {
    grid-template-columns: 312px minmax(0, 1fr);
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }

  .metric-grid {
    grid-template-columns: 1fr 1fr;
  }

  .metric:nth-child(3) {
    border-left: 0;
  }

  .metric:nth-child(n + 3) {
    border-top: 1px solid var(--line-soft);
  }
}

@media (max-width: 700px) {
  .page-shell {
    width: min(100% - 24px, 560px);
    padding-top: 18px;
  }

  .page-header {
    align-items: flex-start;
  }

  .page-header h1 {
    font-size: 25px;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .control-card {
    position: static;
  }
}

@media (max-width: 460px) {
  .page-shell {
    width: calc(100% - 16px);
    padding: 12px 0 28px;
  }

  .status {
    display: none;
  }

  .theme-toggle {
    width: 30px;
    justify-content: center;
    padding: 5px 2px;
  }

  .theme-toggle-label {
    display: none;
  }

  .control-card,
  .result-card {
    padding: 13px;
  }

  .field-grid {
    grid-template-columns: 1fr;
  }

  .field-wide {
    grid-column: auto;
  }

  .primary-result {
    align-items: flex-start;
    flex-direction: column;
    min-height: auto;
    gap: 5px;
    padding: 14px;
  }

  .primary-result strong {
    font-size: 34px;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .metric + .metric {
    border-top: 1px solid var(--line-soft);
    border-left: 0;
  }

  .metric span {
    min-height: 0;
  }

  .formula-row {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .formula-equals {
    display: none;
  }

  .source-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .source-row a {
    width: 100%;
  }

  .kv-help::after {
    left: 0;
    transform: translate(0, 3px);
  }

  .kv-help:hover::after,
  .kv-help:focus-visible::after,
  .kv-help[aria-expanded="true"]::after {
    transform: translate(0, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}