:root {
  color-scheme: light;
  --ink: #12343b;
  --muted: #587078;
  --paper: #fffdf6;
  --cream: #fff5d8;
  --teal: #0b6f73;
  --teal-dark: #07565a;
  --teal-soft: #d9f2ef;
  --coral: #e56b4c;
  --coral-soft: #ffe4dc;
  --yellow: #f8c84a;
  --navy: #163d63;
  --line: #cbdcda;
  --success: #16704b;
  --shadow: 0 14px 40px rgba(16, 57, 61, 0.12);
  font-family: "Avenir Next", Avenir, "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

/* Keeps <picture> wrappers invisible to layout so existing rules that target
   an <img> by class or descendant selector behave the same whether or not
   the image is wrapped for a WebP source. */
picture { display: contents; }

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

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 12%, rgba(248, 200, 74, 0.25), transparent 28rem),
    radial-gradient(circle at 96% 5%, rgba(11, 111, 115, 0.16), transparent 32rem),
    var(--paper);
}

button, input, textarea { font: inherit; }
button {
  min-height: 44px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 4px solid rgba(229, 107, 76, 0.35);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 20;
  padding: 0.8rem 1rem;
  background: var(--navy);
  color: white;
  border-radius: 0.6rem;
}
.skip-link:focus { top: 1rem; }

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: max(0.8rem, env(safe-area-inset-top));
  padding-bottom: 0.8rem;
  padding-left: max(clamp(1rem, 4vw, 3rem), env(safe-area-inset-left));
  padding-right: max(clamp(1rem, 4vw, 3rem), env(safe-area-inset-right));
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 246, 0.92);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  border: 0;
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.7rem;
  height: 2.7rem;
  border-radius: 1rem 1rem 0.8rem 0.8rem;
  background: var(--teal);
  color: white;
  font-weight: 800;
}
.brand strong, .brand small { display: block; }
.brand strong { font-size: 1.15rem; }
.brand small { color: var(--muted); }

.header-actions, .hero-actions, .mission-actions, .dashboard-actions {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.storage-warning {
  padding: 0.6rem clamp(1rem, 4vw, 3rem);
  text-align: center;
  font-size: 0.86rem;
  background: var(--coral-soft);
  color: #6f2818;
}

.login-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.75fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: center;
  min-height: 68vh;
}
.login-copy img { width: min(100%, 340px); max-height: 310px; object-fit: contain; }
.login-copy p:not(.eyebrow) { max-width: 38rem; font-size: 1.05rem; }
.login-card {
  display: grid;
  gap: 0.65rem;
  padding: clamp(1.4rem, 4vw, 2.4rem);
  border: 2px solid var(--line);
  border-radius: 1.5rem;
  background: white;
  box-shadow: var(--shadow);
}
.login-card input, #account-password-wrap input {
  width: 100%;
  min-height: 50px;
  border: 2px solid var(--line);
  border-radius: 0.8rem;
  padding: 0.7rem;
}
.account-label { color: var(--muted); font-size: 0.82rem; }

main { min-height: calc(100vh - 10rem); }
.screen { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; padding: clamp(1.5rem, 4vw, 3.5rem) 0; }

h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(2rem, 6vw, 4rem); line-height: 1.03; letter-spacing: -0.035em; }
h2 { font-size: clamp(1.35rem, 3vw, 2rem); }
p { line-height: 1.55; }

.eyebrow {
  margin-bottom: 0.5rem;
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.button, .back-button, .tab {
  border: 2px solid transparent;
  border-radius: 0.85rem;
  padding: 0.7rem 1rem;
  cursor: pointer;
  font-weight: 750;
}
.button-primary { background: var(--teal); color: white; }
.button-primary:hover { background: var(--teal-dark); }
.button-secondary { background: var(--cream); border-color: #ead69b; color: var(--ink); }
.button-quiet { background: transparent; border-color: var(--line); color: var(--ink); }
.button-large { min-height: 58px; padding-inline: 1.5rem; font-size: 1.08rem; }
.back-button { background: transparent; color: var(--teal-dark); padding-left: 0; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(250px, 0.8fr);
  align-items: center;
  min-height: 28rem;
  border-radius: 2rem;
  padding: clamp(1.5rem, 4vw, 3.5rem);
  background: linear-gradient(135deg, var(--teal-soft), var(--cream));
  overflow: hidden;
}
.hero-copy { max-width: 42rem; position: relative; z-index: 1; }
.hero-copy p:not(.eyebrow) { max-width: 36rem; font-size: 1.08rem; }
.hero-mascot { width: min(100%, 390px); max-height: 28rem; object-fit: contain; justify-self: center; align-self: end; }

.profile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.profile-card {
  min-height: 9rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  border: 2px solid var(--line);
  border-radius: 1.2rem;
  padding: 1.1rem;
  background: white;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  box-shadow: 0 5px 16px rgba(16, 57, 61, 0.06);
}
.profile-card:hover { border-color: var(--teal); transform: translateY(-2px); }
.profile-avatar {
  display: grid;
  place-items: center;
  width: 4rem;
  height: 4rem;
  border-radius: 1.25rem;
  background: var(--coral-soft);
  color: #7d2d1b;
  font-size: 1.4rem;
  font-weight: 900;
  flex: 0 0 auto;
}
.profile-card strong, .profile-card small { display: block; }
.profile-card small { margin-top: 0.25rem; color: var(--muted); }

.mission-welcome {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  align-items: center;
  gap: 2rem;
  margin: 1rem 0 2rem;
}
.mission-welcome img { width: 100%; max-height: 230px; object-fit: contain; }
.mission-actions { margin-top: 1.5rem; justify-content: center; }
.trail-line { margin: 0; color: var(--muted); }

.world-block {
  margin-top: 1.2rem;
  border: 2px solid var(--line);
  border-radius: 1.4rem;
  padding: 1rem clamp(1rem, 3vw, 1.5rem);
  background: white;
}
.world-block.world-completed { border-color: var(--yellow); background: var(--cream); }
.world-block.world-locked { opacity: 0.65; background: var(--paper); }
.world-heading { display: flex; align-items: center; gap: 0.8rem; }
.world-heading h2 { margin: 0; font-size: 1.25rem; }
.world-heading small { color: var(--muted); }
.world-icon { font-size: 2rem; }
.world-badge { margin-left: auto; font-size: 1.5rem; }
.mission-track {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 0.7rem;
  margin-top: 0.9rem;
}
.mission-node {
  display: grid;
  gap: 0.3rem;
  justify-items: center;
  min-height: 6rem;
  padding: 0.7rem 0.5rem;
  border: 2px solid var(--line);
  border-radius: 1.1rem;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  text-align: center;
}
.mission-node small { line-height: 1.2; }
.mission-node-icon {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: var(--teal-soft);
  color: var(--teal-dark);
  font-weight: 800;
}
.mission-node.current { border-color: var(--teal); box-shadow: 0 0 0 3px var(--teal-soft); }
.mission-node.current .mission-node-icon { background: var(--teal); color: white; }
.mission-node.completed { background: var(--cream); border-color: #ead69b; }
.mission-node.locked { cursor: not-allowed; opacity: 0.55; }
.mission-node.boss.current .mission-node-icon { background: var(--coral); }
.mission-brief {
  margin-top: 1.2rem;
  border: 2px solid var(--teal);
  border-radius: 1.4rem;
  padding: clamp(1.2rem, 3vw, 2rem);
  background: var(--teal-soft);
}
.mission-brief h2 { margin-bottom: 0.4rem; }
.brief-subjects { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.6rem; }
.subject-chip {
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 750;
  background: white;
  color: var(--ink);
  border: 1px solid var(--line);
}
.subject-swedish { border-color: var(--teal); color: var(--teal-dark); }
.subject-english { border-color: var(--navy); color: var(--navy); }
.subject-mathematics { border-color: var(--coral); color: #8a2d19; }

.game-screen { max-width: 900px; }
.game-toolbar { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 1rem; }
.task-progress { display: flex; gap: 0.35rem; }
.task-progress span { height: 0.6rem; flex: 1; border-radius: 999px; background: var(--line); }
.task-progress span.done { background: var(--teal); }

.task-card, .confidence-card, .completion-card, .gate-card {
  margin-top: 1.5rem;
  border: 2px solid var(--line);
  border-radius: 2rem;
  background: white;
  padding: clamp(1.2rem, 4vw, 2.5rem);
  box-shadow: var(--shadow);
}
.task-card { text-align: center; }
.task-card h1 { font-size: clamp(1.7rem, 5vw, 3rem); }
.task-guide {
  width: 115px;
  height: 145px;
  object-fit: contain;
  float: right;
  margin: -1rem -0.5rem 0.5rem 1rem;
}
.listen-row { display: flex; justify-content: center; gap: 0.7rem; flex-wrap: wrap; margin: 1rem 0; }
.transcript { max-width: 40rem; margin: 0.8rem auto; padding: 0.75rem; border-radius: 0.75rem; background: var(--teal-soft); }
.phonemes { display: flex; justify-content: center; gap: 0.6rem; margin: 1.2rem 0; }
.phoneme { min-width: 3.1rem; padding: 0.7rem; border-bottom: 4px solid var(--coral); font-size: 1.5rem; font-weight: 850; }

.answer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1.3rem; clear: both; }
.answer-button, .group-button, .tile-button, .confidence-options button {
  min-height: 8rem;
  border: 3px solid var(--line);
  border-radius: 1.3rem;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
}
.answer-button:hover, .group-button:hover, .tile-button:hover, .confidence-options button:hover { border-color: var(--teal); }
.answer-button .visual { display: block; font-size: 3rem; margin-bottom: 0.35rem; }
.answer-button .label { display: block; font-size: 1.05rem; }
.answer-button.revealed { border-color: var(--teal); background: var(--teal-soft); }

.group-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.2rem; }
.group-button { padding: 1rem; }
.objects { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.25rem; font-size: 2rem; margin-top: 0.6rem; }

.build-display { min-height: 4.5rem; display: flex; justify-content: center; gap: 0.55rem; margin: 1rem 0; }
.build-slot { display: grid; place-items: center; width: 3.6rem; height: 4rem; border-bottom: 4px solid var(--navy); font-size: 2rem; font-weight: 900; }
.tile-row { display: flex; justify-content: center; gap: 0.8rem; flex-wrap: wrap; }
.tile-button { min-height: 4.5rem; min-width: 4.5rem; font-size: 1.7rem; }
.build-actions { margin-top: 1rem; display: flex; justify-content: center; gap: 0.7rem; flex-wrap: wrap; }

.order-display { min-height: 3.6rem; display: flex; justify-content: center; gap: 0.5rem; flex-wrap: wrap; margin: 1rem 0; }
.order-slot {
  display: grid;
  place-items: center;
  min-width: 3.4rem;
  min-height: 3rem;
  padding: 0.3rem 0.7rem;
  border-bottom: 4px solid var(--navy);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--muted);
}
.order-slot.filled { color: var(--ink); background: var(--teal-soft); border-radius: 0.6rem 0.6rem 0 0; }
.order-tile {
  min-height: 3.6rem;
  padding: 0.6rem 1rem;
  border: 3px solid var(--line);
  border-radius: 1rem;
  background: var(--paper);
  color: var(--ink);
  font-size: 1.1rem;
  font-weight: 800;
  cursor: pointer;
}
.order-tile:hover:not(:disabled) { border-color: var(--teal); }
.order-tile:disabled { opacity: 0.4; cursor: not-allowed; }

.pairs-help { color: var(--muted); margin: 0.6rem 0 0.2rem; }
.pairs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 0.8rem; }
.pairs-column { display: grid; gap: 0.7rem; }
.pair-button {
  min-height: 3.8rem;
  border: 3px solid var(--line);
  border-radius: 1rem;
  background: var(--paper);
  color: var(--ink);
  font-size: 1.4rem;
  font-weight: 800;
  cursor: pointer;
}
.pair-button:hover:not(:disabled) { border-color: var(--teal); }
.pair-button.picked { border-color: var(--coral); background: var(--coral-soft); }
.pair-button.matched { border-color: var(--success); background: #ddf4e8; opacity: 0.8; }

.feedback-box { margin-top: 1.2rem; border-radius: 1rem; padding: 1rem; background: var(--cream); text-align: left; }
.feedback-box.success { background: #ddf4e8; color: #124c35; }
.feedback-box strong { display: block; margin-bottom: 0.2rem; }
.feedback-actions { display: flex; justify-content: center; gap: 0.7rem; margin-top: 1rem; flex-wrap: wrap; }

.confidence-card, .completion-card { text-align: center; }
.confidence-card img, .completion-card img { width: 150px; max-height: 190px; object-fit: contain; }
.confidence-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1rem; }
.confidence-options button { padding: 1rem; }
.confidence-options span { display: block; font-size: 2.5rem; margin-bottom: 0.5rem; }
.reward-star { font-size: 4rem; display: block; margin: 0.5rem 0; }

.alphabet-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(82px, 1fr)); gap: 0.7rem; }
.letter-button { min-height: 6.5rem; border: 2px solid var(--line); border-radius: 1rem; background: white; color: var(--ink); cursor: pointer; }
.letter-button.vowel { border-radius: 50%; border-color: var(--coral); background: var(--coral-soft); }
.letter-button strong, .letter-button small { display: block; }
.letter-button strong { font-size: 1.6rem; }
.letter-button small { color: var(--muted); margin-top: 0.25rem; }
.vowel-lab { display: flex; justify-content: space-between; gap: 1.5rem; align-items: center; margin-top: 1.5rem; border-radius: 1.5rem; padding: 1.4rem; background: var(--cream); }
.vowel-examples { display: flex; gap: 0.7rem; flex-wrap: wrap; }
.review-note { margin-top: 1rem; padding: 0.8rem; border-left: 4px solid var(--coral); color: var(--muted); }

.adult-screen { max-width: 1180px; }
.gate-card { max-width: 520px; margin: 2rem auto; }
.gate-card form { display: flex; gap: 0.6rem; align-items: end; flex-wrap: wrap; }
.gate-card label { display: block; width: 100%; font-weight: 750; }
.gate-card input { min-height: 50px; width: 11rem; border: 2px solid var(--line); border-radius: 0.8rem; padding: 0.7rem; font-size: 1.3rem; letter-spacing: 0.3em; }
.form-message { color: #8a2d19; margin-top: 0.8rem; }

.dashboard-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; flex-wrap: wrap; }
.dashboard-header h1 { font-size: clamp(1.8rem, 4vw, 3rem); }
.dashboard-tabs { display: flex; gap: 0.5rem; border-bottom: 2px solid var(--line); margin: 1rem 0; }
.admin-panel { margin: 1rem 0; border: 2px solid var(--line); border-radius: 1rem; padding: 1rem; background: var(--paper); }
.admin-panel summary { cursor: pointer; font-weight: 800; }
.admin-panel form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.7rem 1rem; margin-top: 1rem; }
.admin-panel label { font-weight: 750; align-self: end; }
.admin-panel input, .admin-panel select { min-height: 46px; border: 2px solid var(--line); border-radius: 0.75rem; padding: 0.65rem; background: white; }
.admin-panel .form-message, .admin-panel button { align-self: end; }
.tab { background: transparent; color: var(--muted); border-radius: 0.7rem 0.7rem 0 0; }
.tab.active { background: var(--teal); color: white; }
.dashboard-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 1.2rem; }
.profile-list-panel, .journey-detail, .evidence-card {
  border: 2px solid var(--line);
  border-radius: 1.2rem;
  padding: 1rem;
  background: white;
}
.journey-detail label { display: block; margin: 0.8rem 0 0.3rem; font-weight: 750; }
.journey-detail input {
  width: 100%;
  min-height: 48px;
  border: 2px solid var(--line);
  border-radius: 0.75rem;
  padding: 0.65rem 0.75rem;
  color: var(--ink);
  background: var(--paper);
}
.dashboard-profile-list { display: grid; gap: 0.5rem; }
.dashboard-profile-button { width: 100%; text-align: left; border: 2px solid transparent; border-radius: 0.75rem; padding: 0.7rem; background: var(--paper); color: var(--ink); cursor: pointer; }
.dashboard-profile-button.selected { border-color: var(--teal); background: var(--teal-soft); }
.dashboard-profile-button small { display: block; color: var(--muted); }
.journey-top { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.journey-top h2 { margin-bottom: 0.2rem; }
.journey-meta { color: var(--muted); }
.journey-stats, .evidence-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; margin: 1rem 0; }
.stat-card { border-radius: 1rem; padding: 1rem; background: var(--teal-soft); }
.stat-card strong { display: block; font-size: 1.5rem; }
.stat-card small { color: var(--muted); }
.skill-list { display: grid; gap: 0.8rem; margin: 1rem 0; }
.skill-row { display: grid; grid-template-columns: minmax(150px, 0.8fr) minmax(180px, 2fr) auto; gap: 0.7rem; align-items: center; }
.skill-track { height: 0.9rem; border-radius: 999px; background: #e5eceb; position: relative; overflow: hidden; }
.skill-baseline, .skill-current { position: absolute; left: 0; border-radius: 999px; }
.skill-baseline { top: 0; bottom: 0; background: var(--yellow); opacity: 0.65; }
.skill-current { top: 28%; height: 44%; background: var(--teal); }
.next-step-box { border-left: 5px solid var(--coral); padding: 0.8rem 1rem; background: var(--coral-soft); }
.word-evidence { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; margin-top: 1rem; }
.word-evidence div { border: 1px solid var(--line); border-radius: 0.8rem; padding: 0.8rem; }
.word-evidence strong { display: block; }
.data-controls { display: flex; gap: 0.6rem; justify-content: flex-end; margin-top: 1rem; flex-wrap: wrap; }

.method-chain { display: flex; align-items: center; gap: 0.7rem; flex-wrap: wrap; }
.method-chain span { padding: 0.6rem 0.8rem; border-radius: 0.7rem; background: var(--teal-soft); font-weight: 800; }
.method-chain i { font-style: normal; color: var(--coral); }
.evidence-card { margin-top: 1rem; }
.coverage-list { display: grid; gap: 0.8rem; }
.coverage-row { display: grid; grid-template-columns: minmax(170px, 1fr) 2fr auto; gap: 0.7rem; align-items: center; }
.coverage-track { height: 0.8rem; background: #e5eceb; border-radius: 999px; overflow: hidden; }
.coverage-fill { height: 100%; background: var(--teal); border-radius: 999px; }
.warning-card { background: var(--cream); border-color: #ead69b; }
.empty-state { padding: 1rem; border: 2px dashed var(--line); border-radius: 1rem; color: var(--muted); }

footer {
  padding-top: 1.3rem;
  padding-bottom: max(1.3rem, env(safe-area-inset-bottom));
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
  border-top: 1px solid var(--line);
  text-align: center;
  color: var(--muted);
  font-size: 0.83rem;
}

@media (max-width: 760px) {
  .site-header { align-items: flex-start; }
  .login-layout, .hero { grid-template-columns: 1fr; min-height: 0; }
  .hero-mascot { max-height: 18rem; }
  .mission-welcome { grid-template-columns: 100px 1fr; gap: 1rem; }
  .answer-grid, .confidence-options { grid-template-columns: 1fr; }
  .mission-track { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .answer-button { min-height: 6.5rem; }
  .dashboard-layout { grid-template-columns: 1fr; }
  .admin-panel form { grid-template-columns: 1fr; }
  .dashboard-profile-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .journey-stats, .evidence-stats, .word-evidence { grid-template-columns: 1fr; }
  .skill-row, .coverage-row { grid-template-columns: 1fr; gap: 0.3rem; }
  .vowel-lab { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 480px) {
  .site-header { padding-inline: 0.75rem; }
  .header-actions .button { padding-inline: 0.7rem; }
  .screen { width: min(100% - 1rem, 1120px); }
  .hero { border-radius: 1.2rem; }
  .mission-welcome { grid-template-columns: 1fr; }
  .mission-welcome img { max-height: 160px; }
  .game-toolbar { grid-template-columns: auto 1fr; }
  #task-count { grid-column: 1 / -1; text-align: center; }
  .group-grid { grid-template-columns: 1fr; }
  .task-guide { width: 85px; height: 110px; }
  .dashboard-profile-list { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
  .profile-card:hover { transform: none; }
}