:root {
  --bg: #f3f1ec;
  --surface: #fffcf8;
  --text: #1f1e1b;
  --muted: #5e5a53;
  --line: #e3dfd6;
  --accent: #146354;
  --accent-ink: #ffffff;
  --ok: #14683d;
  --ok-bg: #e7f6ee;
  --bad: #9d2430;
  --bad-bg: #fdecee;
  --hint: #7a5410;
  --hint-bg: #fbf3e4;
  --frame: #e7e3db;
  --shadow: 0 1px 2px rgba(40, 32, 20, 0.05);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161513;
    --surface: #221f1c;
    --text: #f4f1ea;
    --muted: #b7b1a6;
    --line: #3a342c;
    --accent: #1f8f72;
    --ok: #b7ebc9;
    --ok-bg: #173528;
    --bad: #ffc1c1;
    --bad-bg: #3d1d22;
    --hint: #f0d7a6;
    --hint-bg: #3a2d18;
    --frame: #2c2823;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body { margin: 0; }

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
  font-size: 1.05rem;
  line-height: 1.45;
}

button, input { font: inherit; color: inherit; }

button { cursor: pointer; }

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.app {
  width: min(720px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.brand, .text-btn, .btn, .card, .level, .option, .mode, .chip, .suggestion {
  border: 0;
  background: transparent;
}

.brand {
  padding: 0;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--accent);
}

.back-link {
  display: inline-flex;
  margin: 0 0 10px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent);
  font-weight: 700;
  cursor: pointer;
}

h1 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.035em;
  font-weight: 650;
}

.kicker, .lede, .meta, .credit, .percent, .latin, .frame-status {
  color: var(--muted);
}

.kicker {
  margin: 0 0 6px;
  font-size: 0.92rem;
}

.lede {
  margin: 10px 0 18px;
}

.cards {
  display: grid;
  gap: 12px;
}

.card, .level, .missed-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.card, .level {
  width: 100%;
  text-align: left;
  padding: 18px;
  display: grid;
  gap: 6px;
}

.card strong, .level strong {
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.card-kicker {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.card:disabled {
  opacity: 0.72;
  cursor: default;
}

.bad-photo {
  margin-top: 8px;
}

.ref-shot {
  display: grid;
  gap: 6px;
  align-content: start;
}

.ref-shot .bad-photo,
.link-focus-photo .bad-photo {
  min-height: 36px;
  margin-top: 0;
  padding: 6px 12px;
  font-size: 0.85rem;
}

.meta { font-size: 0.9rem; }

.level em {
  font-style: normal;
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 650;
}

.groups {
  margin: 22px 0 0;
  padding: 8px 16px 12px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

.groups legend {
  padding: 0 6px;
  font-weight: 700;
}

.groups > .meta { margin: 4px 0 8px; }

.group-list { display: grid; gap: 2px; }

.group-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 8px;
  border-radius: 12px;
  cursor: pointer;
}

.group-option:hover {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.group-option input {
  width: 1.1rem;
  height: 1.1rem;
  margin: 0;
  accent-color: var(--accent);
}

.group-option .meta { margin-left: auto; }

@media (prefers-reduced-motion: no-preference) {
  .card, .level, .option, .btn { transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease; }
  .card:hover, .level:hover:not(:disabled) { transform: translateY(-2px); }
}

.progress-wrap { margin-bottom: 14px; }

.progress-wrap p {
  margin: 0 0 8px;
  font-weight: 650;
}

.progress {
  height: 6px;
  background: var(--line);
  border-radius: 99px;
  overflow: hidden;
}

.progress span {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: inherit;
}

.pill {
  display: inline-block;
  margin: 0 0 10px;
  padding: 3px 10px;
  border-radius: 99px;
  background: var(--hint-bg);
  color: var(--hint);
  font-size: 0.82rem;
  font-weight: 700;
}

.frame {
  display: grid;
  place-items: center;
  width: min(100%, calc(68vh * 4 / 3));
  margin: 0 auto;
  aspect-ratio: 4 / 3;
  border-radius: 20px;
  background: var(--frame);
  overflow: hidden;
  position: relative;
}

.frame img,
.frame canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.frame canvas,
.frame img[data-chant-fallback] {
  position: absolute;
  inset: 0;
}

.frame img { cursor: zoom-in; }

.chant-player {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.volume {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 650;
}

.volume input[type="range"] {
  width: min(180px, 42vw);
  accent-color: var(--accent);
}

.chant-stage-label {
  margin: 8px 0 0;
  color: var(--muted);
  font-weight: 650;
}

.app-tabs {
  display: flex;
  gap: 6px;
}

.app-tab {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  background: var(--surface);
  font-weight: 650;
}

.app-tab.is-selected {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

.ref-group { margin-top: 28px; }

.ref-group h2 { margin: 0 0 4px; }

.ref-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.ref-card {
  display: grid;
  gap: 6px;
  padding: 8px;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
}

.ref-card .frame,
.ref-gallery .frame {
  width: 100%;
  margin: 0;
}

.ref-card .latin,
.similar-card .latin,
.fiche-latin { margin: 0; }

.ref-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}

.fiche-block { margin-top: 22px; }

.fiche-block h2 { margin: 0 0 8px; font-size: 1.15rem; }

.fiche-block p { margin: 8px 0 0; }

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

.similar-card {
  display: grid;
  gap: 4px;
  width: 100%;
  padding: 12px 14px;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}


.image-search {
  display: inline-flex;
  margin-top: 8px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
}

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

body.lightbox-open { overflow: hidden; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 64px 20px 24px;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(12, 10, 8, 0.86);
  cursor: zoom-out;
}

.lightbox-figure {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: min(1100px, 100%);
  display: grid;
  justify-items: center;
  gap: 10px;
}

.lightbox-figure img {
  max-width: 100%;
  max-height: calc(100vh - 120px);
  object-fit: contain;
  border-radius: 12px;
  background: #111;
}

.lightbox-figure figcaption {
  margin: 0;
  color: #f4f1ea;
  font-weight: 650;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  border: 0;
  border-radius: 999px;
  padding: 8px 16px;
  background: #fffcf8;
  color: #1f1e1b;
  font-weight: 700;
}

body.link-focus-open { overflow: hidden; }

.link-focus {
  position: fixed;
  inset: 0;
  z-index: 28;
  display: grid;
  place-items: center;
  padding: 72px 20px 28px;
}

.link-focus-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(8, 12, 10, 0.45);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  cursor: zoom-out;
}

.link-focus-panel {
  position: relative;
  z-index: 1;
  width: min(960px, 100%);
  display: grid;
  justify-items: center;
  gap: 76px;
}

.link-focus-lines {
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: visible;
  pointer-events: none;
}

.link-focus-dot { fill: var(--accent); }

.link-focus-photo {
  position: relative;
  z-index: 3;
  display: grid;
  place-items: center;
  width: min(960px, 100%);
  min-height: 160px;
}

.link-focus-photo img {
  max-width: 100%;
  max-height: min(46vh, 520px);
  object-fit: contain;
  border-radius: 18px;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.38);
  background: rgba(0, 0, 0, 0.25);
}

.link-focus-status {
  margin: 0;
  color: #f4f1ea;
  font-weight: 650;
}

.link-focus-names {
  position: relative;
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  width: min(860px, 100%);
}

.link-focus-name {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid rgba(255, 252, 248, 0.72);
  border-radius: 14px;
  padding: 12px 16px;
  background: rgba(255, 252, 248, 0.94);
  color: #1c1915;
  font-weight: 700;
}

.link-focus-name::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 12px;
  height: 12px;
  border: 2px solid rgba(255, 252, 248, 0.85);
  border-radius: 50%;
  background: #1c1915;
  transform: translate(-50%, -50%);
}

.link-focus-name.is-current {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 45%, transparent);
}

.link-focus-name.is-current::before {
  border-color: var(--accent);
  background: var(--accent);
}

.link-focus-name.is-locked { color: #5c564e; }

.link-lock {
  width: 16px;
  height: 16px;
  flex: none;
}

.link-focus-close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  border: 0;
  border-radius: 999px;
  padding: 8px 16px;
  background: #fffcf8;
  color: #1f1e1b;
  font-weight: 700;
}

.frame-status {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  margin: 0;
  text-align: center;
  font-size: 0.92rem;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid color-mix(in srgb, var(--muted) 35%, transparent);
  border-top-color: var(--accent);
  border-radius: 50%;
}

@media (prefers-reduced-motion: no-preference) {
  .spinner { animation: spin 0.8s linear infinite; }
}

@keyframes spin { to { transform: rotate(360deg); } }

.credit, .latin {
  margin: 8px 0 0;
  font-size: 0.85rem;
}

.latin { font-style: italic; }

.latin-name { font-style: italic; }

.latin-sep { font-style: normal; }

.wiki-link {
  font-style: normal;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
}

.wiki-link:hover { text-decoration: underline; }

.hint {
  margin: 12px 0 0;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--hint-bg);
  color: var(--hint);
}

.options {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

@media (min-width: 700px) {
  .options { grid-template-columns: 1fr 1fr; }
}

.option {
  min-height: 58px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1.5px solid var(--line);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
}

.option:hover:not(:disabled) { border-color: var(--accent); }

.option small {
  color: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}

.option.is-correct {
  background: var(--ok-bg);
  border-color: var(--ok);
  color: var(--ok);
}

.option.is-wrong {
  background: var(--bad-bg);
  border-color: var(--bad);
  color: var(--bad);
}

.feedback {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 14px;
}

.feedback h2 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.feedback p { margin: 0 0 6px; }

.feedback p:last-child { margin-bottom: 0; }

.feedback.is-correct {
  background: var(--ok-bg);
  color: var(--ok);
}

.feedback.is-wrong {
  background: var(--bad-bg);
  color: var(--bad);
}

.quiz-actions, .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.quiz-actions { justify-content: space-between; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
}

.btn.secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
}

.btn:hover { filter: brightness(1.05); }

.score-pill {
  margin: 0;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-size: 0.92rem;
}

.score-xl {
  margin: 8px 0 0;
  font-size: clamp(3rem, 8vw, 4.6rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
  font-weight: 720;
}

.percent { margin: 6px 0; font-size: 1.15rem; }

.record {
  margin: 0 0 18px;
  color: var(--accent);
  font-weight: 700;
}

.missed h2 {
  margin: 8px 0 12px;
  font-size: 1.2rem;
}

.missed-card {
  padding: 14px 16px;
  margin-bottom: 10px;
}

.missed-card h3 {
  margin: 0;
  font-size: 1.05rem;
}

.missed-card p { margin: 6px 0 0; }

.site-footer {
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.82rem;
}

.modes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 8px;
}

.mode {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 650;
}

.mode.is-selected {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

.mode-help { margin: 0 0 16px; }

.note {
  margin: 0 0 16px;
  color: var(--hint);
  font-weight: 650;
}

.description-card {
  margin: 0;
  padding: 20px 18px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-size: 1.2rem;
  line-height: 1.5;
}

.answer-field { margin-top: 16px; }

.field-label {
  display: grid;
  gap: 8px;
  font-weight: 650;
}

.answer-field input {
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1.5px solid var(--line);
  background: var(--surface);
}

.suggestions {
  display: grid;
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--surface);
}

.suggestion {
  text-align: left;
  padding: 10px 14px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.suggestion:last-child { border-bottom: 0; }

.suggestion:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); }

.sort-grid { display: grid; gap: 18px; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.chip {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  padding: 8px 12px;
}

.chip.is-picked {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, var(--surface));
}

.chip.is-correct {
  background: var(--ok-bg);
  border-color: var(--ok);
  color: var(--ok);
}

.chip.is-wrong {
  background: var(--bad-bg);
  border-color: var(--bad);
  color: var(--bad);
}

.caption {
  margin: 8px 0 0;
  font-weight: 650;
}

.compare {
  display: grid;
  gap: 12px;
}

.compare-col {
  margin: 0;
  min-width: 0;
}

.compare-col figcaption {
  margin: 0 0 6px;
  font-size: 0.92rem;
  font-weight: 700;
}

.compare-col.is-answer figcaption { color: var(--ok); }
.compare-col.is-choice figcaption { color: var(--bad); }

.pair {
  display: grid;
  gap: 12px;
}

@media (min-width: 700px) {
  .pair, .compare { grid-template-columns: 1fr 1fr; }
}

.pair .frame,
.pair .photo-block,
.compare .frame,
.sort-card .frame,
.sex-col .frame,
.link-bird .frame { width: 100%; }

.link-board {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(8.5rem, 0.72fr);
  column-gap: clamp(40px, 9vw, 88px);
  row-gap: 12px;
  margin-top: 8px;
}

.link-lines {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: visible;
  pointer-events: none;
}

.link-line {
  stroke: var(--accent);
  stroke-width: 3;
  stroke-linecap: round;
}

.link-line.is-draft {
  stroke-dasharray: 7 6;
}

.link-line.is-ok { stroke: var(--ok); }

.link-line.is-bad { stroke: var(--bad); }

.link-bird-wrap {
  grid-column: 1;
  grid-row: var(--slot);
  min-width: 0;
}

.link-name {
  grid-column: 2;
  grid-row: var(--slot);
}

.link-bird,
.link-name {
  position: relative;
  z-index: 1;
  border: 2px solid var(--line);
  background: var(--surface);
}

.link-bird {
  display: block;
  padding: 0;
  border-radius: 16px;
  overflow: visible;
  text-align: left;
}

.link-bird .frame {
  margin: 0;
  border-radius: 14px;
}

.link-bird .frame img { cursor: pointer; }

.link-name {
  align-self: center;
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  border-radius: 14px;
  text-align: left;
  font-weight: 650;
}

.link-bird::after,
.link-name::before {
  content: "";
  position: absolute;
  top: 50%;
  width: 12px;
  height: 12px;
  border: 2px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
}

.link-bird::after {
  right: 0;
  transform: translate(50%, -50%);
}

.link-name::before {
  left: 0;
  transform: translate(-50%, -50%);
}

.link-bird.is-pending,
.link-name.is-pending,
.link-bird.is-linked,
.link-name.is-linked {
  border-color: var(--accent);
}

.link-bird.is-pending::after,
.link-name.is-pending::before,
.link-bird.is-linked::after,
.link-name.is-linked::before {
  border-color: var(--accent);
  background: var(--accent);
}

.link-bird.is-correct,
.link-name.is-correct {
  border-color: var(--ok);
}

.link-bird.is-wrong,
.link-name.is-wrong {
  border-color: var(--bad);
}

.link-bird.is-correct::after,
.link-name.is-correct::before {
  border-color: var(--ok);
  background: var(--ok);
}

.link-bird.is-wrong::after,
.link-name.is-wrong::before {
  border-color: var(--bad);
  background: var(--bad);
}

.link-answer {
  display: block;
  padding: 8px 12px 10px;
  font-weight: 700;
}

@media (min-width: 800px) {
  .link-board {
    grid-template-columns: repeat(var(--count, 5), minmax(0, 1fr));
    column-gap: 10px;
    row-gap: 92px;
  }

  .link-bird-wrap { grid-row: 1; grid-column: var(--slot); }

  .link-name {
    grid-row: 2;
    grid-column: var(--slot);
    align-self: start;
    min-height: 0;
    padding: 10px 8px;
    text-align: center;
  }

  .link-bird::after {
    top: auto;
    right: auto;
    bottom: 0;
    left: 50%;
    transform: translate(-50%, 50%);
  }

  .link-name::before {
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
  }
}

.match-grid { display: grid; gap: 18px; }

@media (min-width: 800px) {
  .match-grid { grid-template-columns: 1fr 1fr; }
}

.sex-col {
  margin: 0;
  min-width: 0;
}

.species-title {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 750;
}

.pair-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 16px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}