:root {
  color-scheme: light;
  --ink: #16324f;
  --muted: #60758a;
  --blue: #17365d;
  --blue-soft: #eaf1f8;
  --teal: #147d82;
  --paper: #ffffff;
  --canvas: #f5f8fb;
  --line: #d7e1eb;
  --shadow: 0 18px 45px rgba(22, 50, 79, 0.10);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--canvas);
  line-height: 1.55;
}

a { color: var(--teal); }
a:hover { color: var(--blue); }

.site-header {
  background: var(--blue);
  color: white;
  padding: 3.5rem 1.25rem 3rem;
}

.site-header__inner,
.container {
  width: min(1080px, 100%);
  margin: 0 auto;
}

.site-header h1 {
  margin: 0;
  font-size: clamp(2.1rem, 5vw, 4rem);
  line-height: 1.05;
}

.site-header p {
  margin: .8rem 0 0;
  font-size: 1.15rem;
  opacity: .9;
}

.container { padding: 2.5rem 1.25rem 4rem; }

.eyebrow {
  margin: 0 0 .4rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
  font-weight: 700;
  color: var(--teal);
}

.section-heading { margin: 0 0 1.25rem; font-size: 1.8rem; }

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.card h3 { margin: 0 0 .6rem; font-size: 1.35rem; }
.card p { color: var(--muted); }

.button,
button {
  display: inline-block;
  border: 0;
  border-radius: 9px;
  padding: .75rem 1rem;
  background: var(--teal);
  color: white;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.button:hover,
button:hover { background: var(--blue); color: white; }

.button--secondary {
  background: var(--blue-soft);
  color: var(--blue);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  border-radius: 999px;
  padding: .35rem .65rem;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: .82rem;
  font-weight: 700;
}

.breadcrumb { margin-bottom: 1rem; }
.breadcrumb a { text-decoration: none; }

.app-hero {
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 1.5rem;
  align-items: start;
  margin-bottom: 1.5rem;
}

.app-hero h1 { margin: .35rem 0 .7rem; font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.08; }
.app-hero p { color: var(--muted); max-width: 65ch; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

label { display: block; font-weight: 700; margin-bottom: .35rem; }
input, select {
  width: 100%;
  border: 1px solid #b9c8d7;
  border-radius: 9px;
  padding: .75rem .8rem;
  background: white;
  color: var(--ink);
  font: inherit;
}

.form-span { grid-column: 1 / -1; }
.help { margin: .35rem 0 0; color: var(--muted); font-size: .9rem; }

.notice {
  border-left: 4px solid var(--teal);
  padding: .85rem 1rem;
  background: #f0f8f8;
  color: #315f62;
  margin-top: 1rem;
}
.notice--error {
  border-left-color: #a43c3c;
  background: #fff2f2;
  color: #7d2929;
  font-weight: 700;
}

.candidate-panel { margin-top: 1.5rem; }
.candidate-panel h2 { margin-top: 0; }
.candidate-heading-row {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}
.selection-tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: .75rem;
  color: var(--muted);
  font-size: .92rem;
  font-weight: 700;
}
.selection-tools[hidden] { display: none; }
.selection-count--ready { color: var(--teal); }
.empty-state {
  border: 1px dashed #aebfce;
  border-radius: 12px;
  padding: 2rem 1rem;
  text-align: center;
  color: var(--muted);
  background: #fbfdff;
}
.empty-state--error {
  border-color: #d6a9a9;
  background: #fff8f8;
  color: #7d3d3d;
}

.candidate-summary {
  margin: 0 0 1rem;
  color: var(--muted);
}

.candidate-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: .6rem;
}

.candidate-card {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: .7rem .8rem;
  background: #fbfdff;
}

.candidate-choice {
  display: flex;
  gap: .6rem;
  margin: 0;
  cursor: pointer;
}

.candidate-card:has(input:checked) {
  border-color: var(--teal);
  background: #f0f8f8;
}

.candidate-card:focus-within {
  outline: 3px solid rgba(20, 125, 130, .2);
  outline-offset: 2px;
}

.candidate-card input {
  width: 1.1rem;
  height: 1.1rem;
  margin: .2rem 0 0;
  accent-color: var(--teal);
  flex: 0 0 auto;
}

.candidate-card__content {
  display: grid;
  gap: .2rem;
  min-width: 0;
  width: 100%;
}

.candidate-card__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
}

.candidate-card__heading strong {
  overflow-wrap: anywhere;
}

.candidate-source {
  margin-left: 1.7rem;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 400;
}

.candidate-source summary {
  width: fit-content;
  color: var(--teal);
  cursor: pointer;
  font-weight: 700;
}

.candidate-source__text {
  display: block;
  margin-top: .35rem;
}

.candidate-source a {
  display: block;
  width: fit-content;
  margin-top: .25rem;
  font-size: .78rem;
  font-weight: 700;
}

button:disabled {
  opacity: .65;
  cursor: not-allowed;
}

button.is-loading { cursor: progress; }

.review-panel[hidden] { display: none; }
.review-intro { color: var(--muted); }
.review-details {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .8rem;
  margin: 1.25rem 0;
}
.review-details div {
  border-radius: 10px;
  padding: .8rem;
  background: var(--blue-soft);
}
.review-details dt {
  color: var(--muted);
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.review-details dd { margin: .25rem 0 0; font-weight: 700; }
.selected-word-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: .55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.selected-word-list li {
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: .55rem .7rem;
  background: #fbfdff;
}
.review-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.25rem;
}

.puzzle-output[hidden] { display: none; }
.puzzle-output { margin-top: 1.5rem; }
.output-toolbar { margin-bottom: 1.5rem; }
.output-toolbar h2 { margin: 0; }
.output-toolbar p:not(.eyebrow) { margin-bottom: 0; }
.print-packet {
  display: grid;
  gap: 1.5rem;
  justify-content: center;
  overflow-x: auto;
  padding-bottom: 1rem;
}
.print-page {
  display: flex;
  flex-direction: column;
  width: 8.5in;
  height: 11in;
  padding: .42in .48in .35in;
  overflow: hidden;
  background: white;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  color: #263746;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.15;
}
.page-title {
  margin: 0;
  color: var(--blue);
  font-size: 24pt;
  line-height: 1;
  text-align: center;
}
.page-topic {
  margin: .09in 0 0;
  color: var(--teal);
  font-size: 13pt;
  font-weight: 700;
  text-align: center;
}
.page-instructions {
  margin: .1in 0 .12in;
  color: #596b7b;
  font-size: 9.5pt;
  text-align: center;
}
.word-search-grid {
  width: 5.45in;
  margin: 0 auto;
  border-collapse: collapse;
  table-layout: fixed;
}
.word-search-grid td {
  width: .2725in;
  height: .2725in;
  border: .5pt solid #8997a4;
  padding: 0;
  color: #182a3b;
  font-size: 13pt;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  vertical-align: middle;
}
.word-bank-title {
  margin: .16in 0 .08in;
  color: var(--blue);
  font-size: 12pt;
  text-align: center;
}
.word-bank {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .05in .14in;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 9pt;
  font-weight: 700;
  text-align: center;
}
.answer-grid { width: 5.05in; margin-top: .12in; }
.answer-grid td {
  width: .24in;
  height: .215in;
  font-size: 9.5pt;
}
.answer-grid .axis-cell {
  width: .24in;
  height: .215in;
  padding: 0;
  border: 0;
  color: var(--blue);
  font-size: 7pt;
  line-height: 1;
  text-align: center;
}
.coordinate-table {
  width: 5.8in;
  margin: .12in auto 0;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 7.5pt;
}
.coordinate-table th,
.coordinate-table td {
  border-bottom: .5pt solid #d7e1eb;
  padding: .018in .06in;
  line-height: 1.05;
  text-align: left;
}
.coordinate-table th { color: var(--blue); font-size: 8pt; }
.page-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: .25in;
  margin-top: auto;
  padding-top: .08in;
  border-top: 2pt solid var(--teal);
  color: var(--blue);
  font-size: 8pt;
}

.detail-list { margin: .5rem 0 0; padding-left: 1.2rem; color: var(--muted); }

@media (max-width: 720px) {
  .app-hero, .form-grid { grid-template-columns: 1fr; }
  .site-header { padding-top: 2.5rem; }
  .candidate-heading-row,
  .selection-tools {
    align-items: stretch;
    flex-direction: column;
  }
  .selection-tools { justify-content: flex-start; }
  .review-details { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@page { size: letter portrait; margin: 0; }

@media print {
  body { background: white; }
  .container { width: auto; padding: 0; }
  .container > * { display: none !important; }
  .container > .puzzle-output { display: block !important; margin: 0; }
  .output-toolbar { display: none !important; }
  .print-packet { display: block; padding: 0; overflow: visible; }
  .print-page {
    border: 0;
    box-shadow: none;
    break-after: page;
    page-break-after: always;
  }
  .print-page:last-child {
    break-after: auto;
    page-break-after: auto;
  }
}