*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  background: #f0f2f5;
  color: #2c3e50;
  min-height: 100vh;
}

header {
  background: #1a252f;
  color: #ecf0f1;
  padding: 14px 24px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
header h1 { font-size: 18px; font-weight: 600; letter-spacing: .03em; }
header p  { font-size: 12px; color: #95a5a6; }

.layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 16px;
  padding: 16px;
  max-width: 1280px;
  margin: 0 auto;
  align-items: start;
}

/* ── Controls panel ──────────────────────────────────────────────────────── */
.controls { display: flex; flex-direction: column; gap: 12px; }

.card {
  background: #fff;
  border-radius: 8px;
  border: 1px solid #dde1e7;
  padding: 14px 16px;
}
.card h2 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #7f8c8d;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.section-toggle {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .03em;
  text-transform: none;
  color: #3498db;
  cursor: pointer;
  user-select: none;
}
.section-toggle:hover { text-decoration: underline; }

.identity-grid {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 8px;
}

.field { display: flex; flex-direction: column; gap: 3px; }
.field label { font-size: 11px; color: #7f8c8d; }
.field input, .field select {
  border: 1px solid #dde1e7;
  border-radius: 5px;
  padding: 5px 7px;
  font-size: 13px;
  color: #2c3e50;
  background: #fff;
  width: 100%;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: #3498db;
}

/* Attribute rows with include toggle */
.attr-row {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 6px;
  align-items: center;
  margin-bottom: 7px;
}
.attr-row:last-child { margin-bottom: 0; }
.attr-row input[type=checkbox] { cursor: pointer; accent-color: #3498db; }
.attr-row .right { display: flex; flex-direction: column; gap: 2px; }
.attr-row .right label { font-size: 11px; color: #7f8c8d; }
.attr-row .right input,
.attr-row .right select {
  border: 1px solid #dde1e7;
  border-radius: 5px;
  padding: 5px 7px;
  font-size: 13px;
  color: #2c3e50;
  background: #fff;
  width: 100%;
}
.attr-row.excluded .right input,
.attr-row.excluded .right select,
.attr-row.excluded .right label { opacity: 0.38; }
.attr-row.excluded .right input,
.attr-row.excluded .right select { pointer-events: none; }

/* Boolean toggles */
.bool-rows { display: flex; flex-direction: column; gap: 7px; }
.bool-row {
  display: flex;
  align-items: center;
  gap: 6px;
}
.bool-row .bool-label {
  font-size: 13px;
  flex: 1;
}
.btn-group { display: flex; border-radius: 5px; overflow: hidden; border: 1px solid #dde1e7; }
.btn-group button {
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  border: none;
  background: #f8f9fa;
  color: #7f8c8d;
  cursor: pointer;
  border-right: 1px solid #dde1e7;
  transition: background .12s, color .12s;
}
.btn-group button:last-child { border-right: none; }
.btn-group button.active-yes  { background: #27ae60; color: #fff; }
.btn-group button.active-no   { background: #e74c3c; color: #fff; }
.btn-group button.active-null { background: #bdc3c7; color: #fff; }
.btn-group button:hover:not(.active-yes):not(.active-no):not(.active-null) {
  background: #ecf0f1;
}

/* Language chips */
.lang-section { display: flex; flex-direction: column; gap: 6px; }
.lang-header { display: flex; align-items: center; gap: 6px; }
.lang-header input[type=checkbox] { cursor: pointer; accent-color: #3498db; }
.lang-header label { font-size: 11px; color: #7f8c8d; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.lang-add { display: flex; gap: 6px; }
.lang-add select {
  flex: 1;
  border: 1px solid #dde1e7;
  border-radius: 5px;
  padding: 4px 7px;
  font-size: 12px;
}
.lang-add button {
  padding: 4px 10px;
  background: #3498db;
  color: #fff;
  border: none;
  border-radius: 5px;
  font-size: 12px;
  cursor: pointer;
}
.lang-chips { display: flex; flex-wrap: wrap; gap: 5px; min-height: 24px; }
.lang-chip {
  display: flex;
  align-items: center;
  gap: 4px;
  background: #eaf4fd;
  border: 1px solid #aed6f1;
  border-radius: 12px;
  padding: 2px 8px;
  font-size: 12px;
  color: #2980b9;
}
.lang-chip button {
  background: none;
  border: none;
  color: #7fb3d3;
  cursor: pointer;
  font-size: 13px;
  line-height: 1;
  padding: 0 0 0 2px;
}
.lang-section.excluded .lang-add,
.lang-section.excluded .lang-chips { opacity: 0.38; pointer-events: none; }

/* ── Results panel ───────────────────────────────────────────────────────── */
.results { display: flex; flex-direction: column; gap: 12px; }

.score-card {
  background: #1a252f;
  border-radius: 8px;
  padding: 20px 24px;
  color: #fff;
  text-align: center;
}
.score-card .one-in-n {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.2;
  word-break: break-all;
}
.score-card .score-sub {
  margin-top: 6px;
  font-size: 13px;
  color: #95a5a6;
}
.score-card .cohort-info {
  margin-top: 4px;
  font-size: 11px;
  color: #7f8c8d;
}

#error-msg {
  background: #fdf2f2;
  border: 1px solid #f5c6cb;
  border-radius: 6px;
  padding: 10px 14px;
  color: #c0392b;
  font-size: 13px;
  display: none;
}

/* Attribute rarity table */
.attr-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.attr-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: #7f8c8d;
  padding: 6px 8px;
  border-bottom: 1px solid #dde1e7;
}
.attr-table td {
  padding: 6px 8px;
  border-bottom: 1px solid #f0f2f5;
  vertical-align: middle;
}
.attr-table tr:last-child td { border-bottom: none; }

.prob-bar-cell { width: 120px; }
.prob-bar-wrap { display: flex; align-items: center; gap: 6px; }
.prob-bar {
  height: 8px;
  border-radius: 3px;
  background: currentColor;
  flex-shrink: 0;
}
.prob-text { font-size: 12px; white-space: nowrap; }

.r-common  { color: #95a5a6; }
.r-uncommon { color: #27ae60; }
.r-notable { color: #e67e22; }
.r-rare    { color: #e74c3c; }
.r-ultra   { color: #8e44ad; }

/* Cumulative table */
.cum-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.cum-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: #7f8c8d;
  padding: 5px 8px;
  border-bottom: 1px solid #dde1e7;
}
.cum-table td { padding: 5px 8px; border-bottom: 1px solid #f0f2f5; }
.cum-table tr:last-child td { border-bottom: none; }
.cum-table .attr-col { color: #2c3e50; }
.cum-table .val-col  { color: #7f8c8d; font-style: italic; }
.cum-table .exp-col  { font-weight: 600; text-align: right; }

.note-text {
  font-size: 11px;
  color: #95a5a6;
  line-height: 1.5;
  padding: 10px 16px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #dde1e7;
}

@media (max-width: 780px) {
  .layout { grid-template-columns: 1fr; }
}