:root {
  --paper: #f6f1e7;
  --paper-2: #e9dfce;
  --card: #fffaf0;
  --ink: #171814;
  --ink-2: #34372f;
  --muted: #6d695e;
  --line: #cec3ae;
  --accent: #27615d;
  --accent-2: #8d3f24;
  --accent-3: #2f5e91;
  --wash: #dcebe8;
  --warn: #f1ddd0;
  --good: #2d6c4f;
  --serif: "Source Serif 4", "Iowan Old Style", "Charter", Georgia, serif;
  --sans: "Manrope", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.12 0 0 0 0 0.1 0 0 0 0 0.08 0 0 0 0.05 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  z-index: 0;
}

button, input { font: inherit; color: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.45; }
a { color: var(--accent); text-decoration: none; border-bottom: 1px solid currentColor; }
h1, h2, h3 { margin: 0; font-family: var(--serif); font-weight: 500; line-height: 1.13; letter-spacing: 0; }
h1 { max-width: 18ch; font-size: clamp(38px, 5.2vw, 66px); font-weight: 400; }
h2 { font-size: clamp(25px, 2.6vw, 34px); font-weight: 400; }
h3 { font-size: 22px; }
p { margin: 0; }

.app {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px clamp(16px, 3vw, 40px) 72px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 34px;
}
.brand { display: flex; align-items: center; gap: 14px; color: inherit; border-bottom: 0; }
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  background: var(--card);
  font-family: var(--serif);
  font-size: 18px;
  font-style: italic;
}
.brand-name { display: block; font-family: var(--serif); font-size: 19px; line-height: 1.1; }
.brand-meta { display: block; color: var(--muted); font-family: var(--mono); font-size: 12px; }
.topbar-right { display: flex; flex-wrap: wrap; gap: 18px; color: var(--muted); font-family: var(--mono); font-size: 12px; }
.topbar-right a { color: var(--muted); border-bottom-color: transparent; }
.topbar-right a:hover { color: var(--ink); border-bottom-color: var(--ink); }

.kicker,
.eyebrow {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  background: currentColor;
  border-radius: 50%;
  transform: translateY(-1px);
}

.hero { margin-bottom: 24px; }
.hero.compact {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(320px, 1fr);
  gap: 22px;
  align-items: end;
  margin-bottom: 18px;
}
.hero .kicker { display: block; margin-bottom: 15px; }
.hero-sub {
  max-width: 72ch;
  margin-top: 0;
  color: var(--ink-2);
  font-family: var(--serif);
  font-size: clamp(17px, 1.5vw, 20px);
  font-style: italic;
  line-height: 1.45;
}

.control-strip {
  display: grid;
  grid-template-columns: minmax(300px, auto) minmax(230px, 0.7fr) auto minmax(170px, auto) minmax(260px, auto);
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
  padding: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.metric-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.mode-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.metric-toggle button,
.mode-toggle button,
.actions button,
.tiny,
.persona-list button,
.rank-card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 7px;
}
.metric-toggle button {
  min-height: 38px;
  padding: 8px 12px;
  font-weight: 700;
}
.mode-toggle button {
  min-height: 38px;
  padding: 8px 12px;
  font-weight: 700;
}
.metric-toggle button.is-active,
.mode-toggle button.is-active {
  color: var(--card);
  background: var(--ink);
  border-color: var(--ink);
}
.switch {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-2);
  font-weight: 700;
}
.switch input { width: 18px; height: 18px; accent-color: var(--accent); }
.calc-options {
  display: grid;
  gap: 7px;
}
.actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.primary-actions { justify-content: flex-start; }
.secondary-actions { justify-content: flex-end; }
.actions button {
  min-height: 38px;
  padding: 8px 12px;
  font-weight: 800;
}
.actions button:hover,
.tiny:hover,
.persona-list button:hover,
.rank-card:hover { border-color: var(--accent); background: var(--wash); }
.actions .ghost { color: var(--muted); background: transparent; }
.actions .export {
  color: var(--card);
  background: var(--accent);
  border-color: var(--accent);
}
.actions .export:hover {
  color: var(--card);
  background: #1e4f4b;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}
.summary-grid article {
  min-height: 138px;
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.summary-grid strong {
  display: block;
  margin: 10px 0 8px;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 500;
}
.summary-grid p { color: var(--muted); }

.workbench {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 340px);
  gap: 18px;
  align-items: start;
}
.table-panel,
.side-panel,
.rank-section,
.discussion article {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.table-panel { min-width: 0; padding: 18px; }
.start-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
  padding: 14px;
  background: var(--paper);
  border: 1px dashed var(--line);
  border-radius: 8px;
}
.start-panel strong {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
}
.start-panel span {
  flex: 1;
  color: var(--muted);
}
.start-panel div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.start-panel button {
  min-height: 38px;
  padding: 8px 12px;
  font-weight: 800;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 7px;
}
.start-panel button:hover {
  background: var(--wash);
  border-color: var(--accent);
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 16px;
  margin-bottom: 14px;
}
.panel-head p {
  max-width: 48ch;
  color: var(--muted);
  text-align: right;
}
.table-count {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}
.table-wrap {
  overflow: auto;
  max-height: 610px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.candidate-table {
  width: max-content;
  min-width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}
.candidate-table th,
.candidate-table td {
  min-width: 112px;
  max-width: 180px;
  padding: 8px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--card);
  vertical-align: top;
}
.candidate-table .calc-col,
.candidate-table .calc-cell {
  min-width: 96px;
  text-align: right;
}
.candidate-table .calc-cell {
  color: var(--ink-2);
  font-family: var(--mono);
  font-size: 13px;
  vertical-align: middle;
}
.candidate-table thead th {
  position: sticky;
  top: 0;
  z-index: 3;
  background: #f3ead8;
}
.candidate-table .sticky-col {
  position: sticky;
  left: 0;
  z-index: 2;
  min-width: 150px;
  background: #f7efdf;
}
.candidate-table thead .sticky-col { z-index: 4; }
.candidate-table input {
  width: 100%;
  min-height: 34px;
  padding: 7px 8px;
  background: #fffdf7;
  border: 1px solid #cfc4b0;
  border-radius: 6px;
}
.candidate-table input:focus {
  outline: 2px solid rgba(39, 97, 93, 0.24);
  border-color: var(--accent);
}
.candidate-table .attribute-name {
  margin-bottom: 6px;
  font-weight: 800;
}
.candidate-table th { position: relative; }
.mini-control {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  padding: 0;
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 800;
  line-height: 1;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 50%;
}
.mini-control:hover {
  background: var(--wash);
  border-color: var(--accent);
}
.mini-control.remove {
  position: absolute;
  top: 7px;
  right: 7px;
  color: var(--accent-2);
  background: #fff8ef;
}
.attribute-name {
  padding-right: 34px !important;
}
.add-col,
.add-col-cell {
  min-width: 54px !important;
  max-width: 54px !important;
  text-align: center;
  vertical-align: middle !important;
}
.add-col .mini-control {
  margin: 18px auto;
  color: var(--accent);
  background: var(--wash);
}
.row-remove {
  position: static !important;
  margin: 0 auto;
}
.attribute-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
  margin-bottom: 6px;
}
.attribute-meta label {
  display: grid;
  gap: 2px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.attribute-meta input {
  min-height: 28px;
  padding: 4px;
}
.ideal-row th,
.ideal-row td { background: #e1eee9; }
.candidate-table tr.is-selected th,
.candidate-table tr.is-selected td {
  background: #e8f0f6;
}
.locked {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 8px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}
.tiny {
  display: inline-flex;
  justify-content: center;
  width: 100%;
  min-height: 28px;
  margin-bottom: 4px;
  padding: 5px 8px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}
.tiny.danger { color: var(--accent-2); }
.table-foot-actions {
  display: flex;
  justify-content: flex-start;
  padding-top: 10px;
}
.table-foot-actions button {
  min-height: 34px;
  padding: 7px 12px;
  color: var(--accent);
  font-weight: 800;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 7px;
}
.table-foot-actions button:hover {
  background: var(--wash);
  border-color: var(--accent);
}

.side-panel {
  display: grid;
  gap: 1px;
  overflow: hidden;
  background: var(--line);
}
.panel-block {
  padding: 18px;
  background: var(--card);
}
.panel-block h3 { margin: 8px 0 10px; }
.muted { color: var(--muted); }
.persona-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}
.persona-list button {
  display: grid;
  gap: 3px;
  padding: 11px;
  text-align: left;
}
.persona-list span {
  color: var(--muted);
  font-size: 13px;
}
.distance-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 14px 0;
}
.distance-card div {
  padding: 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.distance-card span,
.distance-card strong {
  display: block;
}
.distance-card span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
}
.distance-card strong {
  margin-top: 5px;
  font-size: 24px;
}
.difference-list {
  display: grid;
  gap: 10px;
}
.difference-list > div {
  display: grid;
  grid-template-columns: minmax(98px, 1fr) minmax(80px, 1.1fr) 44px;
  gap: 8px;
  align-items: center;
  font-size: 13px;
}
.difference-list strong {
  text-align: right;
  font-family: var(--mono);
  font-size: 12px;
}
.bar {
  height: 9px;
  overflow: hidden;
  background: var(--paper-2);
  border-radius: 999px;
}
.bar i {
  display: block;
  height: 100%;
  background: var(--accent-2);
  border-radius: inherit;
}

.result-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.86fr);
  gap: 18px;
  margin-top: 18px;
  align-items: start;
}
.rank-section {
  padding: 18px;
}
.help-panel {
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.side-results {
  display: grid;
  gap: 18px;
}
.distance-panel {
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.distance-panel h2 {
  margin-top: 8px;
}
.panel-copy {
  margin-top: 8px;
  color: var(--muted);
}
.distance-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 14px 0;
}
.distance-summary div {
  padding: 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.distance-summary span,
.distance-summary strong {
  display: block;
}
.distance-summary span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.distance-summary strong {
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 20px;
}
.contribution-list {
  display: grid;
  gap: 10px;
}
.contribution-row {
  padding: 10px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.contribution-row.is-max {
  border-color: var(--accent-2);
  background: var(--warn);
}
.contribution-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}
.contribution-head span {
  padding: 2px 7px;
  color: var(--card);
  background: var(--accent-2);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}
.contribution-values {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin: 6px 0 8px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}
.contribution-bar {
  height: 11px;
}
.contribution-bar i {
  background: var(--accent);
}
.contribution-row.is-max .contribution-bar i {
  background: var(--accent-2);
}
.help-panel ol {
  margin: 12px 0 0;
  padding-left: 20px;
  color: var(--ink-2);
}
.help-panel li + li { margin-top: 8px; }
.rank-list {
  display: grid;
  gap: 8px;
}
.rank-row {
  display: grid;
  grid-template-columns: 34px minmax(120px, 0.55fr) minmax(120px, 1fr) 70px;
  gap: 10px;
  align-items: center;
  padding: 10px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  text-align: left;
}
.rank-row.is-selected {
  border-color: var(--accent);
  background: var(--wash);
  box-shadow: inset 0 0 0 2px rgba(39, 97, 93, 0.18);
}
.rank-row span {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  color: var(--card);
  background: var(--ink);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 800;
}
.rank-row b {
  text-align: right;
  font-family: var(--mono);
  font-size: 13px;
}
.empty-note {
  padding: 14px;
  color: var(--muted);
  background: var(--paper);
  border: 1px dashed var(--line);
  border-radius: 8px;
}
.rank-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
}
.rank-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 4px 10px;
  align-items: start;
  padding: 13px;
  text-align: left;
}
.rank-card.is-selected {
  border-color: var(--accent);
  background: var(--wash);
  box-shadow: inset 0 0 0 2px rgba(39, 97, 93, 0.18);
}
.rank-num {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  color: var(--card);
  background: var(--ink);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 800;
}
.rank-card strong { padding-top: 2px; }
.rank-card small {
  grid-column: 2 / 4;
  color: var(--muted);
}
.rank-card b {
  font-family: var(--mono);
  font-size: 14px;
}

.discussion {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}
.discussion article { padding: 18px; }
.discussion p {
  margin-top: 8px;
  color: var(--ink-2);
  font-family: var(--serif);
  font-size: 20px;
  font-style: italic;
  line-height: 1.35;
}

@media (max-width: 980px) {
  .control-strip,
  .workbench,
  .hero.compact,
  .result-grid,
  .summary-grid,
  .discussion {
    grid-template-columns: 1fr;
  }
  .actions { justify-content: flex-start; }
  .panel-head { display: grid; }
  .panel-head p { text-align: left; }
  .start-panel { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 640px) {
  .app { padding-inline: 14px; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .control-strip { padding: 10px; }
  .metric-toggle { grid-template-columns: 1fr; }
  .candidate-table th,
  .candidate-table td {
    min-width: 106px;
  }
  .candidate-table .sticky-col { min-width: 126px; }
  .difference-list > div { grid-template-columns: 1fr; }
}