:root {
  color-scheme: light;
  --bg: #f6f3ec;
  --panel: #fffdf8;
  --panel-strong: #ffffff;
  --ink: #101820;
  --muted: #5f6972;
  --line: rgba(16, 24, 32, 0.12);
  --accent: #1d8278;
  --accent-strong: #0f5f57;
  --warm: #b9633b;
  --ok: #1d8278;
  --warn: #b9633b;
  --error: #a33a35;
  --shadow: 0 24px 70px rgba(16, 24, 32, 0.12);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #0e1216;
    --panel: #151b20;
    --panel-strong: #1b2229;
    --ink: #f5f1e8;
    --muted: #aeb7bd;
    --line: rgba(245, 241, 232, 0.14);
    --accent: #57c9bd;
    --accent-strong: #8de0d7;
    --warm: #d98a5f;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    linear-gradient(130deg, rgba(29, 130, 120, 0.10), transparent 28rem),
    linear-gradient(320deg, rgba(185, 99, 59, 0.11), transparent 34rem),
    var(--bg);
  color: var(--ink);
  line-height: 1.55;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}

a { color: inherit; }
.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  background: var(--ink);
  color: var(--bg);
  padding: .6rem .9rem;
  border-radius: var(--radius);
}
.skip-link:focus { top: 1rem; }

.lab-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
}
.lab-brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  min-width: 12rem;
}
.lab-brand img { border-radius: 8px; }
.lab-brand span { display: grid; line-height: 1.1; }
.lab-brand small { color: var(--muted); font-size: .78rem; }
.lab-header nav {
  display: flex;
  gap: .35rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.lab-header nav a {
  text-decoration: none;
  padding: .55rem .75rem;
  border-radius: var(--radius);
  color: var(--muted);
}
.lab-header nav a:hover,
.lab-header nav a:focus-visible {
  color: var(--ink);
  background: color-mix(in srgb, var(--panel) 82%, transparent);
}

main {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}
.hero {
  min-height: calc(100svh - 5rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 31rem);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  padding: clamp(3rem, 8vw, 6rem) 0;
}
.eyebrow {
  margin: 0 0 .7rem;
  color: var(--accent-strong);
  font-weight: 760;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-size: .78rem;
}
h1, h2, h3 { line-height: 1.05; letter-spacing: 0; margin: 0; }
h1 { font-size: clamp(2.6rem, 7vw, 5.8rem); max-width: 11ch; }
h2 { font-size: clamp(2rem, 4vw, 3.35rem); }
h3 { font-size: 1.18rem; }
.lead {
  max-width: 48rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}
.trust {
  max-width: 42rem;
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
  color: var(--ink);
}
.hero-actions, .form-actions, .result-actions, .admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: .72rem 1rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 760;
  text-decoration: none;
  cursor: pointer;
  font: inherit;
}
.btn-primary {
  background: var(--accent);
  color: #190d05;
}
.btn-secondary {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn:disabled { opacity: .45; cursor: not-allowed; }
.hero-panel, .upload-card, .status-shell, .admin-login, .admin-board, .privacy-copy {
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-panel {
  display: grid;
  gap: .75rem;
  padding: 1rem;
}
.signal-row {
  display: grid;
  grid-template-columns: .7rem minmax(0, 1fr) auto;
  align-items: center;
  gap: .8rem;
  padding: .9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-strong);
}
.signal-row span {
  width: .55rem;
  height: .55rem;
  border-radius: 99px;
  background: var(--accent);
}
.signal-row em { color: var(--muted); font-style: normal; font-size: .88rem; }

.section-head {
  display: grid;
  gap: .6rem;
  margin-bottom: 1.25rem;
}
.section-head p { color: var(--muted); max-width: 48rem; margin: 0; }
.upload-band, .flow-section, .proof-section, .health-main, .job-main, .admin-main, .privacy-main {
  padding: clamp(2.5rem, 7vw, 5rem) 0;
}
.upload-card {
  display: grid;
  gap: 1rem;
  padding: clamp(1rem, 3vw, 1.4rem);
}
.dropzone {
  position: relative;
  min-height: 11rem;
  display: grid;
  place-items: center;
  text-align: center;
  border: 1.5px dashed color-mix(in srgb, var(--accent) 54%, var(--line));
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  transition: border-color .18s ease, background .18s ease;
}
.dropzone.is-active { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, transparent); }
.dropzone.is-disabled { opacity: .62; }
.dropzone input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.dropzone strong { display: block; font-size: 1.2rem; }
.dropzone span { color: var(--muted); }
.field { display: grid; gap: .4rem; }
.field span, .job-meta dt { color: var(--muted); font-size: .86rem; }
input, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-strong);
  color: var(--ink);
  min-height: 2.85rem;
  padding: .7rem .8rem;
  font: inherit;
}
.form-note { margin: 0; color: var(--muted); }
.form-note.is-warning { color: var(--warn); }
output { color: var(--muted); }

.flow {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .8rem;
}
.flow li {
  min-height: 8.5rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  display: grid;
  align-content: space-between;
}
.flow span { color: var(--accent-strong); font-weight: 800; }
.flow small { color: var(--muted); }

.proof-grid, .health-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .9rem;
}
.proof-card, .health-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 1rem;
}
.proof-card p { color: var(--muted); margin: .65rem 0 .9rem; }
.proof-card div { display: flex; flex-wrap: wrap; gap: .35rem; }
.proof-card small, .badge, .status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 1.8rem;
  padding: .25rem .55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 700;
}
.badge, .status-pill { color: var(--accent-strong); background: color-mix(in srgb, var(--accent) 8%, transparent); }

.job-hero, .health-hero, .privacy-hero { padding-top: clamp(2rem, 6vw, 4rem); }
.status-top, .admin-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}
.status-shell { padding: clamp(1rem, 3vw, 1.4rem); }
.progress {
  height: .65rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--muted) 18%, transparent);
  overflow: hidden;
  margin: 1.4rem 0;
}
.progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--warm));
  transition: width .25s ease;
}
.job-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .75rem;
  margin: 0 0 1rem;
}
.job-meta div {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .75rem;
}
.job-meta dd { margin: .2rem 0 0; word-break: break-word; }
.summary-box {
  width: 100%;
  min-height: 16rem;
  max-height: 55rem;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-strong);
  color: var(--ink);
  padding: clamp(1rem, 3vw, 1.6rem);
  font-size: 1rem;
  line-height: 1.72;
  word-break: break-word;
}
.summary-prose.is-rendered {
  display: grid;
  gap: 1.15rem;
}
.summary-prose h2,
.summary-prose h3,
.summary-prose p,
.summary-prose ul {
  margin: 0;
}
.summary-prose h2 {
  font-size: clamp(1.55rem, 3vw, 2.05rem);
  line-height: 1.15;
  letter-spacing: 0;
}
.summary-prose h3 {
  font-size: 1.02rem;
  line-height: 1.25;
  letter-spacing: 0;
  color: var(--ink);
  padding-top: .35rem;
  border-top: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
}
.summary-prose h2 + section h3,
.summary-prose section:first-child h3 {
  border-top: 0;
  padding-top: 0;
}
.summary-prose section {
  display: grid;
  gap: .55rem;
}
.summary-prose p,
.summary-prose li {
  color: color-mix(in srgb, var(--ink) 82%, var(--muted));
}
.summary-prose .summary-lead {
  font-size: 1.06rem;
  color: var(--ink);
}
.summary-prose ul {
  display: grid;
  gap: .45rem;
  padding-left: 1.15rem;
}
.summary-prose li::marker {
  color: var(--accent-strong);
}
.summary-prose strong {
  color: var(--ink);
  font-weight: 700;
}
.summary-prose code {
  font-family: inherit;
  font-size: .95em;
}
.result-actions { margin-bottom: 1rem; }

.health-grid { margin-top: 1.5rem; }
.health-card span { display: block; color: var(--muted); }
.health-card strong { display: block; margin-top: .2rem; word-break: break-word; }
.health-link { margin-top: 1.2rem; }

.privacy-copy { padding: clamp(1rem, 4vw, 2rem); }
.privacy-copy h2 { font-size: 1.35rem; margin-top: 1.5rem; }
.privacy-copy p { color: var(--muted); }
code {
  background: color-mix(in srgb, var(--ink) 8%, transparent);
  padding: .12rem .28rem;
  border-radius: 4px;
}

.admin-login, .admin-board { padding: clamp(1rem, 3vw, 1.4rem); }
.admin-token-form { display: grid; gap: 1rem; max-width: 32rem; }
.admin-table-wrap { overflow: auto; margin-top: 1rem; border: 1px solid var(--line); border-radius: var(--radius); }
.admin-table { width: 100%; border-collapse: collapse; min-width: 760px; background: var(--panel-strong); }
.admin-table th, .admin-table td { text-align: left; padding: .75rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.admin-table th { color: var(--muted); font-size: .82rem; }
.admin-output { display: block; margin-top: 1rem; }

.lab-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 2rem clamp(1rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.lab-footer div { display: grid; gap: .2rem; }
.lab-footer nav { display: flex; gap: 1rem; flex-wrap: wrap; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  h1 { max-width: 12ch; }
  .flow, .proof-grid, .health-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .job-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  html, body { overflow-x: hidden; }
  main { width: min(100% - 1rem, 1180px); }
  .lab-header { position: static; align-items: flex-start; padding: .75rem .6rem; }
  .lab-header, .status-top, .admin-top { flex-direction: column; }
  .lab-brand { min-width: 0; }
  .lab-header nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .45rem;
  }
  .lab-header nav a {
    min-height: 2.55rem;
    display: grid;
    place-items: center;
    padding: .42rem .5rem;
    border: 1px solid var(--line);
    background: color-mix(in srgb, var(--panel) 80%, transparent);
    text-align: center;
  }
  .hero { gap: 1.2rem; padding: 2rem 0 2.6rem; }
  h1 { font-size: clamp(2.15rem, 13vw, 3.35rem); max-width: none; }
  h2 { font-size: clamp(1.75rem, 9vw, 2.45rem); }
  .lead { font-size: 1rem; }
  .hero-actions, .form-actions, .result-actions, .admin-actions { align-items: stretch; }
  .hero-panel, .upload-card, .status-shell, .admin-login, .admin-board, .privacy-copy { box-shadow: 0 14px 34px rgba(16, 24, 32, 0.10); }
  .signal-row { grid-template-columns: .7rem minmax(0, 1fr); }
  .signal-row em { grid-column: 2; }
  .flow, .proof-grid, .health-grid, .job-meta { grid-template-columns: 1fr; }
  .flow li { min-height: 7rem; }
  .dropzone { min-height: 9rem; }
  .summary-box { max-height: 65svh; font-size: .94rem; }
  .btn { width: 100%; }
}

@media (max-width: 420px) {
  main { width: min(100% - .75rem, 1180px); }
  .lab-header nav { grid-template-columns: 1fr; }
  .upload-band, .flow-section, .proof-section, .health-main, .job-main, .admin-main, .privacy-main { padding: 2rem 0; }
  .proof-card, .health-card, .flow li, .job-meta div { padding: .85rem; }
}