:root {
  --bg: #f3efe5;
  --surface: rgba(255, 251, 245, 0.88);
  --surface-strong: #fff7ee;
  --ink: #17352d;
  --muted: #5d716b;
  --line: rgba(23, 53, 45, 0.12);
  --primary: #0d7a5a;
  --primary-strong: #075e45;
  --accent: #d6623a;
  --accent-soft: #ffe4d6;
  --warning: #b45a16;
  --shadow: 0 20px 60px rgba(31, 47, 41, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "DM Sans", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 198, 168, 0.5), transparent 28rem),
    radial-gradient(circle at top right, rgba(33, 124, 96, 0.18), transparent 22rem),
    linear-gradient(180deg, #f8f5ee 0%, var(--bg) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 80%);
}

.app-shell {
  width: min(100%, 28rem);
  margin: 0 auto;
  padding: 1.25rem 1rem calc(7rem + var(--safe-bottom));
}

.panel {
  position: relative;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  padding: 1.2rem;
}

.panel + .panel {
  margin-top: 1rem;
}

.hero {
  overflow: hidden;
  padding: 1.25rem;
}

.hero::after {
  content: "";
  position: absolute;
  right: -3rem;
  top: -2rem;
  width: 11rem;
  height: 11rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(214, 98, 58, 0.3), rgba(214, 98, 58, 0));
}

.hero-topline,
.hero-actions,
.trust-row,
.section-heading,
.result-hero,
.risk-header,
.timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.brand-mark,
.section-kicker,
.eyebrow,
.risk-kicker,
.result-label,
.evidence-label,
.action-label {
  letter-spacing: 0.04em;
}

.brand-mark {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(13, 122, 90, 0.12);
  color: var(--primary-strong);
  font-size: 0.78rem;
  font-weight: 600;
}

.status-pill.muted {
  background: rgba(23, 53, 45, 0.08);
  color: var(--muted);
}

.hero-copy h1,
.section-heading h2,
.risk-header h3,
.feature-card h3,
.timeline-header h3,
.camera-title,
#result-species {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
}

.hero-copy {
  margin-top: 1.2rem;
}

.eyebrow,
.section-kicker,
.risk-kicker,
.result-label,
.evidence-label,
.action-label {
  margin: 0 0 0.45rem;
  color: var(--primary-strong);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.hero-copy h1 {
  font-size: clamp(2rem, 8vw, 3rem);
  line-height: 0.95;
}

.hero-body,
#result-stage,
#risk-body,
#result-why,
#result-clues,
#action-footnote,
.feature-card p,
.timeline-content span,
.upload-hint,
.medical-note {
  color: var(--muted);
}

.hero-body {
  margin: 0.9rem 0 0;
  font-size: 1rem;
  line-height: 1.45;
  max-width: 24rem;
}

.primary-button,
.ghost-button,
.nav-item,
.scenario-chip {
  border: 0;
  cursor: pointer;
  font: inherit;
}

.primary-button,
.ghost-button {
  min-height: 3rem;
  padding: 0.85rem 1rem;
  border-radius: 999px;
  font-weight: 700;
}

.primary-button {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
  color: #fff;
  box-shadow: 0 10px 30px rgba(13, 122, 90, 0.26);
}

.primary-button.wide {
  width: 100%;
  margin-top: 0.9rem;
}

.ghost-button {
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  border: 1px solid rgba(23, 53, 45, 0.08);
}

.hero-actions {
  margin-top: 1.25rem;
}

.trust-row {
  margin-top: 1.3rem;
  align-items: stretch;
}

.trust-row div {
  flex: 1;
  padding: 0.85rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid rgba(23, 53, 45, 0.06);
}

.trust-row strong,
.timeline-content strong {
  display: block;
  margin-bottom: 0.2rem;
}

.trust-row span {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.35;
}

.camera-stage {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.specimen-preview {
  position: relative;
  min-height: 15rem;
  border-radius: calc(var(--radius-xl) - 6px);
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 35%, rgba(255, 255, 255, 0.95), rgba(255, 245, 236, 0.8)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.68), rgba(255, 255, 255, 0.34));
  border: 1px solid var(--line);
}

.specimen-art,
.specimen-art::before,
.specimen-art::after {
  position: absolute;
  content: "";
}

.specimen-art {
  top: 50%;
  left: 50%;
  width: 4rem;
  height: 5rem;
  border-radius: 46% 46% 50% 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(180deg, #64311f 0%, #382019 100%);
  box-shadow:
    0 -1rem 0 -0.55rem rgba(65, 36, 21, 0.9),
    0 0 0 0.35rem rgba(255, 255, 255, 0.3);
}

.specimen-art::before {
  top: -0.85rem;
  left: 1rem;
  width: 2rem;
  height: 1.5rem;
  border-radius: 48% 48% 30% 30%;
  background: #2b1812;
}

.specimen-art::after {
  inset: auto auto -1rem 50%;
  width: 8rem;
  height: 7rem;
  transform: translateX(-50%);
  background:
    linear-gradient(125deg, transparent 44%, rgba(44, 25, 18, 0.85) 45%, transparent 48%) 0 0 / 50% 35%,
    linear-gradient(55deg, transparent 46%, rgba(44, 25, 18, 0.85) 47%, transparent 50%) 100% 0 / 50% 35%,
    linear-gradient(125deg, transparent 44%, rgba(44, 25, 18, 0.85) 45%, transparent 48%) 0 55% / 50% 35%,
    linear-gradient(55deg, transparent 46%, rgba(44, 25, 18, 0.85) 47%, transparent 50%) 100% 55% / 50% 35%;
  background-repeat: no-repeat;
}

.specimen-art-dog {
  background: linear-gradient(180deg, #8b5540 0%, #4d2c20 100%);
  width: 4.6rem;
  height: 5.4rem;
}

.specimen-art-dog::before {
  width: 2.2rem;
  height: 1.7rem;
  background: #5d3528;
}

.specimen-art-lone-star {
  background:
    radial-gradient(circle at 50% 44%, rgba(255, 246, 230, 0.95) 0 8%, transparent 10%),
    linear-gradient(180deg, #92503e 0%, #4b271c 100%);
  width: 4.3rem;
  height: 5.3rem;
}

.scan-ring {
  position: absolute;
  inset: 1.15rem;
  border-radius: 1.3rem;
  border: 1px dashed rgba(13, 122, 90, 0.32);
}

.camera-copy {
  padding: 1rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid rgba(23, 53, 45, 0.06);
}

.quality-list,
#action-list {
  margin: 0.55rem 0 0;
  padding-left: 1rem;
  color: var(--muted);
  line-height: 1.45;
}

.upload-card {
  display: block;
  margin-top: 1rem;
  padding: 1rem;
  border: 1px dashed rgba(13, 122, 90, 0.34);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.52);
}

.upload-card input {
  display: none;
}

.upload-label {
  display: block;
  font-weight: 700;
}

.upload-hint {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.92rem;
  line-height: 1.35;
}

.scenario-picker {
  display: flex;
  gap: 0.65rem;
  margin-top: 0.95rem;
  overflow-x: auto;
  padding-bottom: 0.15rem;
  scrollbar-width: none;
}

.scenario-picker::-webkit-scrollbar {
  display: none;
}

.scenario-chip {
  white-space: nowrap;
  padding: 0.75rem 0.95rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--muted);
  border: 1px solid transparent;
}

.scenario-chip.active {
  color: var(--ink);
  border-color: rgba(13, 122, 90, 0.32);
  background: rgba(13, 122, 90, 0.12);
}

.section-heading {
  align-items: end;
}

.result-card,
.log-card,
.learn-card {
  scroll-margin-top: 1rem;
}

.result-hero {
  align-items: start;
  margin-top: 1rem;
}

#result-species {
  font-size: 1.6rem;
}

#result-stage {
  margin: 0.3rem 0 0;
}

.confidence-badge {
  padding: 0.6rem 0.8rem;
  border-radius: 1rem;
  background: var(--accent-soft);
  color: var(--warning);
  font-weight: 700;
  font-size: 0.92rem;
}

.evidence-grid,
.action-stack,
.feature-grid {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
}

.evidence-card,
.action-card,
.feature-card {
  padding: 1rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.64);
  border: 1px solid rgba(23, 53, 45, 0.06);
}

.risk-card {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 228, 214, 0.92), rgba(255, 245, 235, 0.88));
  border: 1px solid rgba(214, 98, 58, 0.16);
}

.risk-meter {
  display: flex;
  gap: 0.3rem;
}

.risk-bar {
  width: 0.85rem;
  height: 2.8rem;
  border-radius: 999px;
  background: rgba(180, 90, 22, 0.18);
}

.risk-bar.is-active {
  background: linear-gradient(180deg, #dd7a44 0%, #b45a16 100%);
}

.medical-note {
  margin: 0.85rem 0 0;
  font-size: 0.92rem;
  line-height: 1.4;
}

.action-card.secondary {
  background: rgba(13, 122, 90, 0.08);
}

.log-form {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
}

.log-form label {
  display: grid;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 0.95rem;
}

.log-form select,
.log-form input {
  width: 100%;
  min-height: 3rem;
  border-radius: 1rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  padding: 0 0.9rem;
  font: inherit;
  color: var(--ink);
}

.timeline {
  margin-top: 1.1rem;
}

.timeline-list,
#timeline-list {
  margin-top: 0.6rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.8rem;
  padding: 0.85rem 0;
}

.timeline-item + .timeline-item {
  border-top: 1px solid rgba(23, 53, 45, 0.08);
}

.timeline-marker {
  width: 0.9rem;
  height: 0.9rem;
  margin-top: 0.25rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 0 0 0.25rem rgba(13, 122, 90, 0.08);
}

.timeline-date {
  margin: 0 0 0.15rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.timeline-content span {
  display: block;
  margin-top: 0.18rem;
}

.feature-grid {
  grid-template-columns: 1fr 1fr;
}

.bottom-nav {
  position: fixed;
  left: 50%;
  bottom: calc(0.9rem + var(--safe-bottom));
  transform: translateX(-50%);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  width: min(calc(100% - 1.5rem), 27rem);
  padding: 0.55rem;
  border-radius: 1.4rem;
  background: rgba(23, 53, 45, 0.88);
  box-shadow: 0 18px 50px rgba(23, 53, 45, 0.22);
  backdrop-filter: blur(16px);
}

.nav-item {
  min-height: 2.8rem;
  border-radius: 1rem;
  background: transparent;
  color: rgba(255, 255, 255, 0.68);
  font-weight: 700;
}

.nav-item.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

@media (min-width: 700px) {
  .app-shell {
    width: min(100% - 2rem, 60rem);
    padding-inline: 1.5rem;
  }

  .camera-stage {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }

  .evidence-grid,
  .action-stack {
    grid-template-columns: 1fr 1fr;
  }

  .feature-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .bottom-nav {
    width: min(calc(100% - 3rem), 32rem);
  }
}