/* Research centre, field journal and scanning tools share the cover's forest, lime and ochre palette. */
:root {
  --paper: #fff8e7;
  --forest: #143d30;
  --line: #c9bea1;
  --muted: #5b6657;
  color-scheme: light;
}
html,
body {
  background: #f5efd9;
  color: #1f392d;
}
body {
  font-family: 'DM Sans', system-ui, sans-serif;
}
main {
  max-width: 1380px;
  padding-top: clamp(14px, 2vw, 30px);
}
footer {
  color: #54654f;
}
.topbar {
  background: #102f26;
  border-bottom: 3px solid #c4d973;
}
.brand-portrait {
  width: 41px;
  height: 41px;
  border-radius: 50%;
  border: 2px solid #bad66e;
}
.hero {
  grid-template-columns: minmax(0, 1.55fr) minmax(240px, 0.85fr);
  min-height: 0;
  background: #183f32;
  border: 1px solid #52764a;
  border-radius: 18px;
  align-items: stretch;
}
.hero-art {
  order: 0;
  height: auto;
  min-height: 0;
  align-self: center;
  background: #183f32;
  opacity: 1;
}
.cover-image {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16/9;
}
.hero-content {
  order: 1;
  align-self: center;
  color: #fff8e4;
  padding: clamp(18px, 3vw, 44px);
  width: auto;
}
.hero h1 {
  font-size: clamp(1.8rem, 3vw, 3.3rem);
  margin: 9px 0;
}
.hero-content > p:not(.eyebrow) {
  color: #ecf2d7;
  line-height: 1.48;
}
.hero-buttons {
  margin-top: 16px;
}
.primary,
.next {
  background: #d5ed7a;
  color: #19392c;
  border-radius: 8px;
  box-shadow: 0 2px 0 #738a41;
}
.primary:hover,
.next:hover {
  background: #e2f4a3;
  color: #153d2a;
}
.back,
.survey .secondary {
  color: var(--forest);
  background: #fff9e8;
  border: 1px solid var(--line);
}
.back:hover,
.survey .secondary:hover {
  background: #e9efcb;
}
.section-head .eyebrow,
.kit-panel .eyebrow,
.grade-picker > span,
.survey-title .eyebrow {
  color: #486345;
}
.map-section,
.kit-panel {
  margin-top: 30px;
}
.grade-button {
  background: #fffaea;
  border: 1px solid #bdb89d;
  color: #234832;
  border-radius: 8px;
}
.grade-button[aria-pressed='true'] {
  background: #22533b;
  color: #fff8e8;
}
.progress-pill {
  background: #e2e8bc;
  color: #31543b;
  border-color: #bcc893;
}
.mission-card {
  background: #fff9eb;
  color: #183e2d;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 3px 0 #c4bb992e;
}
.mission-card:disabled {
  opacity: 0.86;
}
.mission-card:disabled .card-landscape {
  filter: saturate(0.72);
}
.card-place,
.card-status {
  color: #4a6344;
}
.kit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.study-card {
  display: grid;
  grid-template-columns: minmax(68px, 32%) 1fr;
  grid-template-rows: 1fr 1fr;
  column-gap: 12px;
  align-items: center;
  text-align: left;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 10px;
  padding: 0;
  overflow: hidden;
  color: var(--forest);
  cursor: pointer;
  font: inherit;
}
.study-card img {
  grid-row: span 2;
  width: 100%;
  height: 100%;
  min-height: 78px;
  object-fit: cover;
}
.study-card span {
  font-weight: 800;
  align-self: end;
}
.study-card small {
  align-self: start;
  margin: 3px 8px 6px 0;
  color: #526741;
}
.notes-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 16px;
  margin: 20px 0;
}
.notes-panel summary {
  font-weight: 800;
  padding: 14px 0;
  cursor: pointer;
}
.notes-panel ul {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}
.notes-panel li {
  padding: 9px 0;
  border-top: 1px solid #dbd2b7;
}
.notes-panel li span {
  display: block;
  margin-top: 3px;
}
.brief,
.field-card,
.complete {
  background: #204637;
  color: #fff6df;
  border-color: #647648;
}
.dialogue img,
.survey-title img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  flex: none;
}
.brief-actions,
.survey-controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}
.brief-actions .secondary,
.field-scan {
  background: #f5f0dc;
  color: #26442f;
  border-color: #c9ce9d;
}
.field-scan {
  margin-top: 6px;
}
.mission-nav {
  color: #425f43;
}
.question-card {
  background: #fffae9;
  border-color: var(--line);
}
.specimen {
  position: relative;
  display: grid;
  gap: 4px;
  border: 1px solid #b6c39e;
  border-left: 5px solid #6c923d;
  background: #eaf1d5;
  color: #1f412f;
  touch-action: none;
  cursor: grab;
  user-select: none;
}
.specimen small {
  font: 800 0.64rem/1.2 system-ui;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: #476241;
}
.specimen.moving {
  z-index: 4;
  box-shadow: 0 6px 22px #193b303b;
  cursor: grabbing;
}
.choice.drop-target {
  background: #d9f2ae;
  border-color: #477b37;
  box-shadow: inset 0 0 0 1px #477b37;
}
.pip-badge {
  width: 29px;
  height: 29px;
  vertical-align: middle;
  border-radius: 50%;
  margin-right: 7px;
}
.saved-observation {
  border-block: 1px solid #bad8a352;
  padding: 12px;
}
.survey {
  max-width: 750px;
  margin: 0 auto;
}
.survey-title {
  display: flex;
  align-items: center;
  gap: 12px;
}
.survey h1 {
  font-size: clamp(1.5rem, 3.2vw, 2.4rem);
  margin: 2px 0;
}
.survey-title p {
  margin: 0;
}
.survey-clue {
  font-weight: 700;
  line-height: 1.45;
  margin: 12px 0;
}
.survey-stage {
  position: relative;
  overflow: hidden;
  min-height: 130px;
  isolation: isolate;
  background: #395941;
  border: 3px solid #244c39;
  border-radius: 13px;
  touch-action: none;
  cursor: crosshair;
}
.survey-stage:focus-visible {
  outline: 3px solid #1c826b;
  outline-offset: 2px;
}
.survey-stage img {
  display: block;
  width: 100%;
  height: auto;
  user-select: none;
  pointer-events: none;
}
.lens-ring {
  position: absolute;
  width: clamp(46px, 12%, 88px);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 3px solid #fdffd8;
  box-shadow:
    0 0 0 2px #163e34,
    0 0 0 900px #122f282d,
    inset 0 0 12px #edffc777;
  pointer-events: none;
}
.lens-ring::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #fff4ae;
  box-shadow: 0 0 0 1px #164735;
  transform: translate(-50%, -50%);
}
.lens-ring.found {
  border-color: #e0ff7b;
  box-shadow:
    0 0 0 3px #366236,
    0 0 0 900px #112d2755;
}
.survey-controls {
  margin-top: 14px;
}
.scan-feedback {
  padding: 12px 15px;
  border-left: 4px solid #93af58;
  background: var(--paper);
  color: var(--forest);
  line-height: 1.5;
  margin: 14px 0;
}
@media (max-width: 850px) {
  .hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  }
  .hero-content {
    padding: 18px;
  }
  .kit-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .study-card {
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }
  .study-card img {
    min-height: 0;
    height: auto;
    aspect-ratio: 16/9;
  }
  .study-card span,
  .study-card small {
    align-self: start;
    margin: 5px 8px;
  }
  .field-card .field-scan {
    justify-self: start;
  }
}
@media (max-width: 560px) {
  .hero {
    display: flex;
    flex-direction: column;
  }
  .hero-art {
    width: 100%;
    height: auto;
    min-height: 0;
  }
  .hero-content {
    align-self: stretch;
    padding: 16px 18px 20px;
  }
  .hero h1 {
    font-size: 1.7rem;
  }
  .hero-content > p:not(.eyebrow) {
    margin: 8px 0;
  }
  .kit-grid {
    grid-template-columns: 1fr;
  }
  .study-card {
    display: grid;
    grid-template-columns: 96px 1fr;
    gap: 0 10px;
  }
  .study-card img {
    grid-row: span 2;
    align-self: center;
  }
  .study-card span,
  .study-card small {
    margin: 2px 8px;
  }
  .study-card span {
    align-self: end;
  }
  .brief-art {
    height: 220px;
    min-height: 220px;
  }
  .field-scene {
    height: 135px;
  }
  .survey .back {
    margin-bottom: 12px;
  }
  .grade-picker {
    margin-bottom: 16px;
  }
}

.sequence-slots {
  display: flex;
  gap: 5px;
  margin-top: 9px;
}
.sequence-slots i {
  height: 5px;
  border-radius: 3px;
  flex: 1;
  background: #afc2a2;
}
.sequence-slots .filled {
  background: #296444;
}
.sequence-slots .current {
  background: #8fae3f;
}

.survey-stage {
  container-type: inline-size;
}
.lens-ring {
  overflow: hidden;
}
.lens-ring img {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 175cqw;
  height: auto;
  max-width: none;
  transform: translate(var(--scan-x), var(--scan-y));
  filter: contrast(1.05);
}
#fullscreen::before {
  content: '';
  display: inline-block;
  width: 13px;
  height: 10px;
  border: 2px solid currentColor;
  vertical-align: middle;
  border-radius: 2px;
}
@media (max-width: 560px) {
  .grade-picker > span {
    width: 100%;
  }
  .icon-btn {
    min-width: 44px;
  }
}

.specimen.illustrated{grid-template-columns:72px minmax(0,1fr);grid-template-rows:auto auto;column-gap:14px;align-items:center;padding:7px 14px 7px 7px}
.specimen.illustrated img{grid-row:span 2;width:72px;height:62px;object-fit:contain;background:#f9f1db;border-radius:8px;pointer-events:none}
.specimen.illustrated small{align-self:end}.specimen.illustrated strong{align-self:start}