:root {
  --forest: #2f5e3b;
  --moss: #6c8f4e;
  --olive: #87936a;
  --ochre: #b48a3c;
  --cream: #f8f6f1;
  --soft: #eef0ec;
  --card: #fffdf8;
  --ink: #222722;
  --muted: #657064;
  --line: rgba(47, 94, 59, 0.16);
  --shadow: 0 18px 45px rgba(42, 49, 38, 0.12);
  --radius: 18px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 0%, rgba(180, 138, 60, .13), transparent 34%),
    linear-gradient(180deg, #f4f0e6, var(--cream) 38%, #f1eee7);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

button, a { font: inherit; }

a { color: inherit; text-decoration: none; }

.hero {
  position: relative;
  min-height: clamp(500px, 58vw, 700px);
  color: white;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(8, 18, 10, .82), rgba(8, 18, 10, .46) 44%, rgba(8, 18, 10, .16)),
    linear-gradient(180deg, rgba(6, 12, 7, .08), rgba(6, 12, 7, .42)),
    url("assets/images/hero-rastres-clean.png") center center / cover no-repeat;
}

.hero::before {
  content: none;
}

.hero::after {
  content: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(4, 7, 4, .08), rgba(4, 7, 4, .02) 58%, rgba(248, 246, 241, .05));
}

.topbar,
.hero-content {
  position: relative;
  z-index: 3;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: .02em;
}

.brand-logo {
  display: block;
  width: 48px;
  height: 48px;
  object-fit: contain;
  filter: drop-shadow(0 3px 8px rgba(0,0,0,.35));
}

.brand-text {
  display: grid;
  gap: 0;
  line-height: 1.05;
}

.brand-text strong {
  font-size: 1rem;
}

.brand-text small {
  color: rgba(255,255,255,.82);
  font-size: .74rem;
  font-weight: 900;
  letter-spacing: .16em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.4);
}

.top-actions {
  display: flex;
  gap: 10px;
}

.top-actions a {
  padding: 10px 14px;
  border: 1px solid rgba(255,255,255,.26);
  border-radius: 999px;
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(8px);
}

.hero-content {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(82px, 11vw, 138px) 24px clamp(72px, 10vw, 128px);
  text-align: left;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--ochre);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero .eyebrow { color: #e8d58f; }

h1, h2, h3, h4, p { margin-top: 0; }

h1 {
  max-width: 820px;
  margin-bottom: 16px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.7rem, 7vw, 5.9rem);
  line-height: .92;
}

.hero-content p:not(.eyebrow) {
  display: block;
  max-width: 620px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, .9);
  font-size: clamp(1.06rem, 2vw, 1.42rem);
  line-height: 1.45;
}

.hero-content .eyebrow,
.hero-content h1 {
  position: static;
  width: auto;
  height: auto;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

.hero-content h1 {
  max-width: 760px;
  text-shadow: 0 4px 22px rgba(0, 0, 0, .42);
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 34px 24px;
}

.section-heading {
  max-width: 860px;
  margin-bottom: 18px;
}

.section-heading h2 {
  margin-bottom: 8px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1;
}

.intro-grid,
.category-grid,
.species-grid,
.sources-grid {
  display: grid;
  gap: 16px;
}

.intro-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 0;
  max-width: none;
  padding: 22px max(24px, calc((100vw - 1180px) / 2));
  position: relative;
  z-index: 2;
  background:
    linear-gradient(180deg, rgba(47, 94, 59, .98), rgba(22, 64, 31, .98)),
    radial-gradient(circle at 12% 0%, rgba(255, 237, 173, .14), transparent 26%);
  color: white;
}

.intro-card,
.category-card,
.question-card,
.result-box,
.side-panel > *,
.species-card,
.source-card {
  background: rgba(255, 253, 248, .94);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.intro-card {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 18px;
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.12);
  box-shadow: none;
}

.intro-card .card-icon {
  grid-row: 1 / span 2;
}

.intro-card h2,
.intro-card p {
  grid-column: 2;
}

.card-icon,
.selected-icon {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: rgba(108, 143, 78, .15);
  font-size: 1.6rem;
}

.intro-card h2 {
  margin: 0 0 3px;
  font-size: 1.1rem;
}

.intro-card p,
.section-heading p,
.selected-category p,
.tips-card,
.species-card p,
.source-card p {
  color: var(--muted);
}

.intro-card p { color: rgba(255,255,255,.78); margin: 0; }
.intro-card .card-icon { background: rgba(248,246,241,.14); }

.app-shell {
  max-width: 1100px;
  padding-top: 36px;
}

.app-intro {
  margin-inline: auto;
  text-align: center;
}

.category-grid {
  grid-template-columns: repeat(5, minmax(170px, 1fr));
  margin: 0 auto 28px;
  align-items: stretch;
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  min-height: 300px;
  padding: 0 18px 20px;
  text-align: center;
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.category-card:hover,
.category-card.is-active {
  transform: translateY(-2px);
  border-color: rgba(47, 94, 59, .45);
  box-shadow: 0 22px 50px rgba(42, 49, 38, .16);
}

.category-image {
  flex: 0 0 auto;
  display: block;
  width: calc(100% + 36px);
  height: 150px;
  margin: 0 -18px 0;
  border-radius: var(--radius) var(--radius) 0 0;
  background-size: cover;
  background-position: center top;
}

.category-card[data-category="footprints"] .category-image { background-image: url("assets/images/card-petjada.png"); }
.category-card[data-category="droppings"] .category-image { background-image: url("assets/images/card-excrement.png"); }
.category-card[data-category="feathers"] .category-image { background-image: url("assets/images/card-ploma.png"); }
.category-card[data-category="feedingSigns"] .category-image { background-image: url("assets/images/card-restes.png"); }
.category-card[data-category="invertebrates"] .category-image { background-image: url("https://upload.wikimedia.org/wikipedia/commons/d/d2/Cicada_exuvia.jpg"); }
.category-card[data-category="unsure"] .category-image { background-image: url("assets/images/card-dubte.png"); }

.category-card > span:not(.category-image) {
  display: inline-grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin-top: -32px;
  border-radius: 50%;
  background: #f8f6f1;
  border: 1px solid rgba(47, 94, 59, .16);
  color: var(--forest);
  box-shadow: 0 10px 28px rgba(45, 39, 27, .16);
  font-size: 2rem;
  position: relative;
  z-index: 1;
}

.category-card h3 {
  margin: 14px 0 8px;
  color: var(--forest);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  line-height: 1.05;
}

.category-card p {
  flex: 1;
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  max-width: 780px;
  margin: 0 auto;
  align-items: start;
}

.side-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(210px, .85fr);
  gap: 12px;
  position: static;
}

.selected-category,
.progress-card,
.tips-card {
  padding: 12px 14px;
}

.selected-category {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  box-shadow: 0 12px 30px rgba(42, 49, 38, .08);
}

.selected-category h3 {
  margin-bottom: 6px;
}

.selected-category p:last-child { margin: 0; }

.progress-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: .92rem;
  font-weight: 700;
}

.progress-track {
  height: 10px;
  margin-top: 12px;
  border-radius: 999px;
  background: rgba(47, 94, 59, .13);
  overflow: hidden;
}

.progress-track span {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--forest), var(--moss));
  transition: width .28s ease;
}

.tips-card { display: none; }

.question-panel {
  display: grid;
  gap: 14px;
}

.question-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 14px;
  border-radius: 28px;
  background: rgba(255, 253, 248, .98);
  box-shadow: 0 24px 70px rgba(42, 49, 38, .14);
  scroll-margin-top: 18px;
}

.question-copy {
  padding: 0 6px;
}

.question-copy h3 {
  margin-bottom: 8px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.65rem, 4.6vw, 2.75rem);
  line-height: 1.1;
}

.question-copy p:last-child {
  color: var(--muted);
  font-size: 1.05rem;
}

.reliability {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(47, 94, 59, .12);
  color: var(--forest);
  font-weight: 850;
  font-size: .82rem;
}

.visual-box {
  order: -1;
  min-height: min(58vw, 390px);
  border-radius: 24px;
  border: 1px solid var(--line);
  background:
    linear-gradient(140deg, rgba(108,143,78,.14), rgba(180,138,60,.09)),
    var(--soft);
  position: relative;
  overflow: hidden;
}

.visual-box::before,
.visual-box::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(47,94,59,.24);
}

.visual-sketch {
  position: absolute;
  inset: 18px 18px 72px;
  display: grid;
  place-items: center;
}

.trace-choice {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.trace-photo-choice {
  align-items: stretch;
  inset: 12px;
}

.trace-photo-choice figure {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid rgba(47, 94, 59, .16);
  background: rgba(255, 253, 248, .78);
  box-shadow: 0 10px 28px rgba(42,49,38,.08);
}

.trace-photo-choice img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 120px;
  object-fit: cover;
}

.trace-photo-choice figcaption {
  padding: 8px 10px 10px;
  color: var(--forest);
  font-weight: 900;
  text-align: center;
  font-size: .86rem;
}

.trace-choice span,
.generic-sketch {
  display: grid;
  place-items: center;
  gap: 8px;
  min-height: 72px;
  border: 1px solid rgba(47, 94, 59, .14);
  border-radius: 16px;
  background: rgba(255, 253, 248, .62);
  color: var(--forest);
  font-weight: 850;
}

.trace-choice span { font-size: 2rem; }
.trace-choice small,
.generic-sketch small,
.hoof-sketch small {
  color: var(--muted);
  font-size: .78rem;
  font-weight: 800;
  text-align: center;
}

.generic-sketch span { font-size: 4rem; }

.category-question-photo {
  inset: 0;
  background: #1f2a1f;
}

.category-question-photo img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  filter: saturate(.92) contrast(.98);
}

.category-question-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(18, 28, 18, .03), rgba(18, 28, 18, .18)),
    linear-gradient(90deg, rgba(18, 28, 18, .14), transparent 58%);
  pointer-events: none;
}

.category-question-photo figcaption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  z-index: 1;
  display: grid;
  gap: 5px;
  max-width: 760px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(255, 253, 248, .24);
  background: rgba(24, 36, 23, .72);
  color: #fffdf6;
  box-shadow: 0 18px 46px rgba(18, 28, 18, .24);
  backdrop-filter: blur(8px);
}

.category-question-photo b {
  font-size: clamp(1rem, 2.2vw, 1.25rem);
}

.category-question-photo span {
  color: rgba(255, 253, 248, .88);
  font-size: .95rem;
  line-height: 1.35;
}

.category-question-photo small {
  color: #e8d58f;
  font-weight: 850;
}

.hoof-sketch {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.hoof-drawing,
.paw-drawing {
  position: relative;
  width: 120px;
  height: 140px;
}

.hoof-drawing small,
.paw-drawing small {
  position: absolute;
  left: 50%;
  bottom: -6px;
  width: 160px;
  transform: translateX(-50%);
}

.hoof-left,
.hoof-right {
  position: absolute;
  top: 20px;
  width: 42px;
  height: 82px;
  border-radius: 55% 45% 38% 50%;
  background: rgba(47, 94, 59, .75);
  transform: rotate(9deg);
}

.hoof-left { left: 18px; }
.hoof-right { right: 18px; transform: rotate(-9deg); }

.paw-drawing .toe,
.paw-drawing .pad {
  position: absolute;
  border-radius: 50%;
  background: rgba(47, 94, 59, .72);
}

.paw-drawing .toe { width: 28px; height: 34px; top: 18px; }
.paw-drawing .t1 { left: 8px; top: 44px; }
.paw-drawing .t2 { left: 34px; top: 18px; }
.paw-drawing .t3 { right: 34px; top: 18px; }
.paw-drawing .t4 { right: 8px; top: 44px; }
.paw-drawing .pad { width: 70px; height: 58px; left: 25px; top: 72px; border-radius: 44% 44% 52% 52%; }

.visual-box::before { width: 78px; height: 92px; left: 68px; top: 102px; }
.visual-box::after { width: 58px; height: 58px; left: 78px; top: 54px; box-shadow: 58px 8px 0 rgba(47,94,59,.2), -36px 26px 0 rgba(47,94,59,.18), 106px 38px 0 rgba(47,94,59,.2); }

.visual-box.visual-footprints:not(.footprint_hoof_or_pads)::before,
.visual-box.visual-footprints:not(.footprint_hoof_or_pads)::after,
.visual-box.visual-droppings::before,
.visual-box.visual-droppings::after,
.visual-box.visual-feathers::before,
.visual-box.visual-feathers::after,
.visual-box.visual-feedingSigns::before,
.visual-box.visual-feedingSigns::after,
.visual-box.visual-unsure::before,
.visual-box.visual-unsure::after,
.visual-box.result-visual::before,
.visual-box.result-visual::after {
  display: none;
}

.visual-box.footprint_hoof_or_pads {
  min-height: min(72vw, 540px);
  background:
    radial-gradient(circle at 20% 36%, rgba(180, 138, 60, .18), transparent 24%),
    linear-gradient(150deg, #f7f1df, #ede2c5);
}

.visual-box.footprint_hoof_or_pads::before,
.visual-box.footprint_hoof_or_pads::after {
  display: none;
}

.track-comparison {
  inset: 14px 14px 58px;
}

.track-comparison svg {
  display: block;
  width: min(100%, 720px);
  height: 100%;
  max-height: 330px;
}

.track-comparison text {
  fill: var(--forest);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 20px;
  font-weight: 900;
}

.track-comparison text.small {
  fill: #755923;
  font-size: 13px;
  font-weight: 850;
}

.track-comparison-card {
  inset: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.track-comparison-card .trace-sketch {
  align-self: stretch;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  min-height: 0;
  overflow: hidden;
  border-radius: 18px;
}

.track-comparison-card .trace-sketch svg {
  height: 210px;
}

.track-comparison-card .trace-sketch img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
}

.track-comparison-card .trace-sketch figcaption {
  padding: 10px 12px 12px;
}

.track-comparison-card .trace-sketch figcaption span {
  display: block;
  margin-top: 3px;
  font-size: .84rem;
  line-height: 1.28;
}

.track-comparison-card .trace-sketch figcaption small {
  display: block;
  margin-top: 5px;
  font-size: .72rem;
}

.visual-label {
  position: absolute;
  right: 16px;
  bottom: 16px;
  left: 16px;
  padding: 13px 15px;
  border-radius: 16px;
  background: rgba(255, 253, 248, .92);
  color: var(--forest);
  font-weight: 850;
}

.answer-buttons {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.answer-buttons button,
.ghost-btn,
.species-open {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
  transition: transform .16s ease, border-color .16s ease, background .16s ease;
}

.answer-buttons button {
  min-height: 60px;
  padding: 15px 18px;
  text-align: left;
  font-size: 1.03rem;
  background: #fffefa;
  box-shadow: 0 10px 24px rgba(42,49,38,.08);
}

.answer-buttons button:first-child {
  border-color: rgba(47, 94, 59, .28);
}

.answer-buttons button::after {
  content: "›";
  float: right;
  color: var(--forest);
  font-size: 1.35rem;
  line-height: 1;
}

.answer-buttons button:hover,
.ghost-btn:hover,
.species-open:hover {
  transform: translateY(-1px);
  border-color: rgba(47,94,59,.44);
  background: #fbfaf4;
}

.question-actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 0 2px;
}

.ghost-btn {
  padding: 10px 14px;
}

.ghost-btn:disabled {
  cursor: not-allowed;
  opacity: .45;
  transform: none;
}

.result-box {
  padding: 16px;
}

.result-box.is-empty {
  display: none;
}

.result-box.is-final {
  border-color: rgba(47, 94, 59, .3);
}

.result-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.result-heading h3 { margin: 0; }

.pill {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(47,94,59,.12);
  color: var(--forest);
  font-size: .84rem;
  font-weight: 850;
}

.results-list {
  display: grid;
  gap: 10px;
}

.result-item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(248,246,241,.62);
}

.confidence-badge {
  display: grid;
  place-items: center;
  min-height: 64px;
  border-radius: 16px;
  background: rgba(47,94,59,.12);
  color: var(--forest);
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.confidence-alta { background: rgba(47, 94, 59, .14); color: var(--forest); }
.confidence-mitjana { background: rgba(180, 138, 60, .18); color: #755923; }
.confidence-baixa,
.confidence-pendent { background: rgba(101, 112, 100, .14); color: var(--muted); }

.result-item h4 {
  margin: 0 0 3px;
  font-size: 1.05rem;
}

.result-item p { margin: 0; color: var(--muted); }

.species-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.species-card {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 16px;
  padding: 16px;
  overflow: hidden;
}

.species-visual {
  display: grid;
  place-items: center;
  min-height: 160px;
  border-radius: 14px;
  background:
    radial-gradient(circle at 50% 35%, rgba(180,138,60,.25), transparent 30%),
    linear-gradient(140deg, rgba(47,94,59,.16), rgba(108,143,78,.08));
  border: 1px solid var(--line);
  color: var(--forest);
  font-size: 2.7rem;
}

.species-photo {
  margin: 0;
}

.species-photo img,
.dialog-photo img {
  display: block;
  width: 100%;
  height: 170px;
  object-fit: contain;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, #efe7d5, #fbfaf4);
}

.species-photo figcaption,
.dialog-photo figcaption {
  margin-top: 6px;
  color: var(--muted);
  font-size: .75rem;
  line-height: 1.25;
}

.species-photo.is-missing,
.dialog-photo.is-missing {
  display: none;
}

.species-card h3 {
  margin-bottom: 2px;
  font-size: 1.25rem;
}

.species-card .scientific {
  margin-bottom: 10px;
  color: var(--muted);
}

.measurement-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 8px;
}

.measurement-list span {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  max-width: 100%;
  padding: 8px 10px;
  border: 1px solid rgba(47,94,59,.16);
  border-radius: 12px;
  background: rgba(248, 246, 241, .74);
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.3;
}

.measurement-list b {
  color: var(--forest);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.trace-sketch {
  margin: 0;
  padding: 12px;
  border: 1px solid rgba(47,94,59,.13);
  border-radius: 16px;
  background: #fffefa;
}

.trace-sketch svg {
  display: block;
  width: 100%;
  height: 118px;
}

.trace-sketch img {
  display: block;
  width: 100%;
  height: 150px;
  object-fit: contain;
  border-radius: 12px;
  background: #eee5d4;
}

.trace-sketch svg path,
.trace-sketch svg ellipse {
  fill: #5b432b;
  stroke: none;
  filter: drop-shadow(0 6px 6px rgba(45, 35, 22, .16));
}

.trace-sketch svg .claw,
.trace-sketch svg .line {
  fill: none;
  stroke: #8a6c35;
  stroke-width: 5;
  stroke-linecap: round;
  filter: none;
}

.trace-sketch figcaption {
  display: grid;
  gap: 3px;
  margin-top: 8px;
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.3;
}

.trace-sketch figcaption b {
  color: var(--forest);
  font-size: .86rem;
}

.trace-sketch figcaption small {
  color: #7e806f;
  font-size: .72rem;
  line-height: 1.25;
}

.species-open {
  padding: 9px 12px;
}

.sources-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.source-card {
  padding: 18px;
}

.source-card h3 {
  margin-bottom: 8px;
}

.source-card small {
  display: block;
  color: var(--ochre);
  font-weight: 850;
}

.species-dialog {
  width: min(980px, calc(100vw - 28px));
  border: 0;
  border-radius: 24px;
  padding: 0;
  color: var(--ink);
  background: var(--card);
  box-shadow: 0 24px 80px rgba(0,0,0,.28);
}

.species-dialog::backdrop {
  background: rgba(28, 31, 28, .55);
  backdrop-filter: blur(4px);
}

.close-dialog {
  position: absolute;
  right: 14px;
  top: 14px;
  z-index: 2;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--card);
  cursor: pointer;
  font-size: 1.5rem;
}

.dialog-layout {
  display: grid;
  grid-template-columns: 42% 1fr;
}

.dialog-visual {
  min-height: 520px;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 48% 32%, rgba(255, 230, 150, .24), transparent 28%),
    linear-gradient(135deg, rgba(47,94,59,.92), rgba(108,143,78,.72));
  color: white;
  font-size: 5rem;
}

.dialog-photo {
  margin: 0;
  min-height: 520px;
  background: linear-gradient(135deg, #efe7d5, #fbfaf4);
  padding: 18px;
}

.dialog-photo img {
  height: min(62vh, 520px);
  object-fit: contain;
  background: transparent;
  border: 0;
  border-radius: 18px;
}

.dialog-body {
  padding: 34px;
}

.dialog-body h2 {
  margin-bottom: 2px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.4rem;
}

.dialog-body .scientific {
  color: var(--muted);
  margin-bottom: 18px;
}

.info-block {
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.info-block h3 {
  margin-bottom: 8px;
  color: var(--forest);
  font-size: 1rem;
}

.info-block ul {
  margin: 0;
  padding-left: 18px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 24px;
  background: var(--forest);
  color: white;
  font-size: .92rem;
}

@media (max-width: 920px) {
  .intro-grid,
  .species-grid,
  .sources-grid,
  .workspace,
  .question-card,
  .dialog-layout {
    grid-template-columns: 1fr;
  }

  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .intro-grid { margin-top: -36px; }
  .side-panel { position: static; }
  .visual-box { min-height: 210px; }
  .dialog-visual { min-height: 260px; }
}

@media (max-width: 640px) {
  .topbar {
    align-items: flex-start;
    gap: 16px;
    flex-direction: column;
  }

  .top-actions {
    width: 100%;
    overflow-x: auto;
  }

  .hero { min-height: 540px; }
  .section { padding: 24px 14px; }
  .category-grid { grid-template-columns: 1fr; }
  .intro-card, .category-card, .question-card, .result-box, .side-panel > *, .species-card, .source-card { border-radius: 14px; }
  .answer-buttons { grid-template-columns: 1fr; }
  .species-card { grid-template-columns: 1fr; }
  .trace-compare-grid,
  .track-comparison-card { grid-template-columns: 1fr; }
  .track-comparison-card .trace-sketch svg,
  .track-comparison-card .trace-sketch img { height: 280px; }
  .visual-box.footprint_hoof_or_pads { min-height: 760px; }
  .trace-detail small { display: block; }
  .footer { flex-direction: column; }
}