:root {
  --bg: #faf8f5;
  --surface: #ffffff;
  --ink: #1a1512;
  --ink-soft: #45403a;
  --muted: #6f675e;
  --line: #e7e1d8;
  --accent: #e85d1f;
  --accent-soft: rgb(232 93 31 / 0.12);
  --good: #1a8f4c;
  --good-soft: rgb(26 143 76 / 0.12);
  --warn: #a8641c;
  --warn-soft: rgb(168 100 28 / 0.12);
  --bad: #c23b3b;
  --bad-soft: rgb(194 59 59 / 0.1);
  --shadow: 0 2px 12px rgb(26 21 18 / 0.06);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131110;
    --surface: #1d1a17;
    --ink: #ede7de;
    --ink-soft: #c9c2b8;
    --muted: #988f83;
    --line: #2e2925;
    --accent: #ff7a3c;
    --accent-soft: rgb(255 122 60 / 0.16);
    --good: #4ade80;
    --good-soft: rgb(74 222 128 / 0.14);
    --warn: #e6a23c;
    --warn-soft: rgb(230 162 60 / 0.14);
    --bad: #f87171;
    --bad-soft: rgb(248 113 113 / 0.14);
    --shadow: 0 2px 12px rgb(0 0 0 / 0.4);
  }
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 1020px;
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
}

main section {
  animation: fade 0.3s ease;
}

@keyframes fade {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
}

.wip {
  padding: calc(0.55rem + env(safe-area-inset-top, 0px)) 1rem 0.55rem;
  border-bottom: 1px solid color-mix(in srgb, var(--warn) 30%, transparent);
  background: var(--warn-soft);
  color: var(--warn);
  font-size: 0.875rem;
  line-height: 1.4;
  text-align: center;
}

.wip strong {
  font-weight: 650;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.4rem 1rem 0;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand em {
  font-style: normal;
  font-weight: 400;
  color: var(--muted);
}

.hero {
  text-align: center;
  padding: 2.4rem 1rem 1.6rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5.5vw, 3.1rem);
  letter-spacing: -0.03em;
  line-height: 1.04;
}

.hero p {
  margin: 0.9rem auto 0;
  max-width: 36em;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero strong {
  color: var(--ink);
  white-space: nowrap;
}

.tabs {
  position: sticky;
  top: 10px;
  z-index: 20;
  display: flex;
  gap: 4px;
  width: fit-content;
  margin: 0 auto 1.6rem;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.tab {
  border: none;
  background: none;
  padding: 0.5rem 1.15rem;
  border-radius: 999px;
  font: inherit;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s, background-color 0.15s;
}

.tab b {
  font-weight: 600;
  color: var(--accent);
  margin-right: 0.3em;
}

.tab:hover {
  color: var(--ink);
}

.tab[aria-selected="true"] {
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.1rem 1.25rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.1rem;
}

.field-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

textarea {
  width: 100%;
  min-height: 7.5rem;
  resize: vertical;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.7rem 0.9rem;
  color: var(--ink);
  font: 12.5px/1.55 var(--mono);
  word-break: break-all;
}

textarea.paste {
  min-height: 5.2rem;
  max-height: 12rem;
  field-sizing: content;
}

textarea:placeholder-shown {
  word-break: normal;
}

textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  margin-top: 0.8rem;
}

.row.center {
  justify-content: center;
}

.btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: 12px;
  padding: 0.55rem 1.15rem;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, filter 0.15s, transform 0.15s;
}

.btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px var(--accent-soft);
}

.btn.primary:hover {
  color: #fff;
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.btn.ghost {
  border-color: transparent;
  background: transparent;
  color: var(--muted);
}

.btn.ghost:hover {
  color: var(--ink);
  border-color: var(--line);
}

.btn .ic {
  width: 1em;
  height: 1em;
  vertical-align: -0.12em;
  margin-right: 0.15rem;
}

.btn.chip {
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.85rem;
  white-space: nowrap;
}

.ex-pick {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

.ex-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--muted);
  white-space: nowrap;
}

.ofn-card .ofn {
  margin: 0;
  font-size: 1.02rem;
}

.ofn-n {
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg);
  margin: 0 0.15rem;
}

.ofn-n button {
  border: none;
  background: none;
  padding: 0.15rem 0.6rem;
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
  color: var(--muted);
}

.ofn-n button:hover {
  color: var(--accent);
}

.ofn-n input {
  width: 3.2ch;
  border: none;
  background: none;
  text-align: center;
  font: inherit;
  font-weight: 700;
  color: var(--ink);
  padding: 0.35rem 0;
  -moz-appearance: textfield;
  appearance: textfield;
}

.ofn-n input::-webkit-outer-spin-button,
.ofn-n input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.ofn-n.locked {
  border-style: dashed;
}

.ofn-n.locked button {
  visibility: hidden;
}

.ofn-n input:disabled {
  color: var(--ink);
  -webkit-text-fill-color: var(--ink);
}

.ofn-n input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.status {
  margin: 0.7rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.status.ok {
  color: var(--good);
  font-weight: 600;
}

.status.warn {
  color: var(--warn);
  font-weight: 600;
}

.status.err {
  color: var(--bad);
  font-weight: 600;
}

.status .status-more {
  display: block;
  margin-top: 0.2rem;
  font-weight: 400;
  color: var(--muted);
}

.parts {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(175px, 1fr));
  gap: 0.9rem;
  margin-bottom: 1.2rem;
}

.part {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  padding: 10px 10px 8px;
  font: inherit;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.2s, filter 0.2s;
}

.part:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgb(26 21 18 / 0.1);
}

.part:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.part canvas {
  width: 100%;
  min-width: 0;
  height: auto;
  display: block;
  border-radius: 6px;
}

.part .meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 7px;
}

.part .num {
  font-weight: 700;
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
}

.part .src {
  margin-left: 0.4em;
  font-weight: 500;
  font-size: 0.72rem;
  color: var(--muted);
}

.part .sub {
  display: block;
  margin-top: 4px;
  font-size: 0.74rem;
  line-height: 1.35;
  color: var(--muted);
  text-align: left;
  overflow-wrap: anywhere;
}

.part .sub.key {
  margin-top: 1px;
  font: 0.72rem/1.35 var(--mono);
}

.part .sub.why {
  margin-top: 1px;
  color: var(--bad);
}

.part[data-state="other"] .sub.why,
.part[data-state="version"] .sub.why {
  color: var(--warn);
}

.tag {
  font-size: 0.66rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 2px 8px;
  border-radius: 999px;
}

.tag.data {
  color: var(--muted);
  background: var(--line);
}

.tag.parity {
  color: var(--accent);
  background: var(--accent-soft);
}

.tag.set {
  color: var(--accent);
  background: var(--accent-soft);
  text-transform: none;
  letter-spacing: 0.02em;
  font-family: var(--mono);
}

.tag.ok {
  color: var(--good);
  background: var(--good-soft);
}

.tag.warn {
  color: var(--warn);
  background: var(--warn-soft);
  text-transform: none;
  letter-spacing: 0.02em;
  font-family: var(--mono);
}

.tag.bad {
  color: var(--bad);
  background: var(--bad-soft);
}

.part[data-state="damaged"],
.part[data-state="malformed"],
.part[data-state="wrong"],
.part[data-state="disputed"] {
  border-color: var(--bad);
  box-shadow: 0 0 0 3px var(--bad-soft);
}

.part[data-state="other"],
.part[data-state="version"] {
  border-color: var(--warn);
  box-shadow: 0 0 0 3px var(--warn-soft);
}

.part.off {
  opacity: 0.4;
  filter: grayscale(1);
  border-style: dashed;
  background: transparent;
}

.part.off::after {
  content: "✕";
  position: absolute;
  top: 6px;
  right: 10px;
  color: var(--bad);
  font-weight: 700;
}

.part.flash {
  animation: flash 0.6s ease;
}

@keyframes flash {
  30% {
    box-shadow: 0 0 0 4px var(--accent-soft);
    border-color: var(--accent);
  }
}

.rec-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.6rem 1rem;
}

.rec-head h2 {
  margin: 0 0 0.2rem;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.rec-head p {
  margin: 0;
  max-width: 34em;
}

.muted {
  color: var(--muted);
}

.rec-status-wrap {
  margin: 0 0.2rem 1rem;
}

.meter {
  height: 6px;
  background: var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.meter i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: var(--accent);
  transition: width 0.35s ease, background-color 0.35s;
}

.meter i.ok {
  background: var(--good);
}

.meter i.warn {
  background: var(--warn);
}

.meter i.bad {
  background: var(--bad);
}

.paste-card summary {
  width: fit-content;
  margin: 0;
  cursor: pointer;
  list-style: none;
}

.paste-card summary::-webkit-details-marker {
  display: none;
}

.paste-card summary::before {
  content: "+\00a0";
  color: var(--accent);
}

.paste-card details[open] summary {
  margin-bottom: 0.5rem;
}

.paste-card details[open] summary::before {
  content: "\2212\00a0";
}

.paste-card summary:hover {
  color: var(--ink);
}

.paste-card summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.report {
  margin: 0.7rem 0 0;
  padding-left: 1.1em;
  font-size: 0.86rem;
  color: var(--bad);
}

.report li {
  margin: 0.2rem 0;
}

#rec-results .result + .result {
  margin-top: 1.1rem;
}

.result .result-note {
  margin: -0.3rem 0 0.6rem;
}

.result .result-note.bad {
  color: var(--bad);
}

.result .match {
  margin: 0 0 0.6rem;
  color: var(--good);
  font-weight: 600;
}

.result pre {
  margin: 0 0 0.8rem;
  white-space: pre-wrap;
  word-break: break-all;
  font: 12px/1.55 var(--mono);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.8rem;
  max-height: 11rem;
  overflow: auto;
}

.note {
  margin: 0.6rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.prose {
  max-width: 40em;
  margin: 0 auto;
}

.prose h2 {
  margin: 2rem 0 0.45rem;
  font-size: 1.18rem;
  letter-spacing: -0.015em;
}

.prose p {
  margin: 0;
  color: var(--ink-soft);
}

.prose p + p {
  margin-top: 0.75rem;
}

.prose h3 {
  margin: 1.4rem 0 0.35rem;
  font-size: 0.98rem;
  letter-spacing: -0.01em;
}

.prose code {
  font: 0.86em var(--mono);
  color: var(--ink);
}

.prose strong {
  color: var(--ink);
  font-weight: 600;
}

.table-wrap {
  overflow-x: auto;
}

.prose .costs {
  margin: 0.6rem 0 0;
  padding-left: 1.2em;
  color: var(--ink-soft);
}

.prose .costs li {
  margin: 0.45rem 0;
}

.prose .costs strong {
  color: var(--ink);
  font-weight: 600;
}

.links {
  margin: 0.6rem 0 0;
  padding: 0;
  list-style: none;
}

.links li {
  margin: 0.35rem 0;
}

.compare {
  width: 100%;
  border-collapse: collapse;
  margin: 0.9rem 0 0;
  font-size: 0.88rem;
}

.compare th,
.compare td {
  text-align: left;
  padding: 0.45rem 0.6rem 0.45rem 0;
  border-bottom: 1px solid var(--line);
}

.compare th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.compare td:first-child {
  color: var(--muted);
  white-space: nowrap;
}

.compare tr.ours td:first-child {
  color: var(--accent);
  font-weight: 600;
}

.compare.nums td {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.compare + p,
.table-wrap + p {
  margin-top: 0.9rem;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
  padding: 1rem 1rem 2.5rem;
}

footer p {
  margin: 0.2rem 0;
}

footer .draft {
  color: var(--ink-soft);
  font-weight: 600;
  max-width: 34rem;
  margin: 0 auto 0.5rem;
}

dialog {
  border: none;
  border-radius: 18px;
  background: var(--surface);
  color: var(--ink);
  padding: 1.2rem;
  max-width: min(92vw, 560px);
  box-shadow: 0 24px 60px rgb(0 0 0 / 0.35);
}

dialog::backdrop {
  background: rgb(0 0 0 / 0.55);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.cam-view {
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: 16 / 9;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 12px;
}

#dlg-cam video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform-origin: center center;
  border-radius: 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  display: block;
}

#cam-frame {
  position: absolute;
  top: 50%;
  left: 50%;
  width: auto;
  height: 100%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border: 2px solid rgb(255 255 255 / 0.9);
  border-radius: 10px;
  box-shadow: 0 0 0 9999px rgb(0 0 0 / 0.35);
  pointer-events: none;
}

.cam-progress {
  margin: 0.8rem auto 0;
  width: min(100%, 420px);
}

.steps {
  display: flex;
  gap: 2px;
  height: 8px;
}

.steps i {
  flex: 1 1 0;
  min-width: 0;
  border-radius: 2px;
  background: var(--line);
  transition: background-color 0.25s;
}

.steps i.on {
  background: var(--accent);
}

.cam-progress.ok .steps i.on {
  background: var(--good);
}

#btn-torch[aria-pressed="true"] {
  background: var(--ink);
  color: var(--bg);
}

#zoom-canvas {
  width: min(70vw, 420px);
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
}

#zoom-label {
  text-align: center;
  font-weight: 600;
  margin: 0.8rem 0 0.4rem;
}

#zoom-text {
  white-space: pre-wrap;
  word-break: break-all;
  font: 11px/1.5 var(--mono);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.6rem;
  max-height: 14rem;
  overflow: auto;
}

#zoom-text:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

dialog .row {
  justify-content: center;
}

#toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%) translateY(8px);
  background: var(--ink);
  color: var(--bg);
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 50;
}

#toast.show {
  opacity: 1;
  transform: translateX(-50%);
}

@media (max-width: 560px) {
  .parts {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .tab {
    padding: 0.45rem 0.8rem;
  }

  .hero {
    padding-top: 1.8rem;
  }

  .table-wrap .compare:not(.nums) {
    min-width: 34rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}