:root {
  color-scheme: dark;

  --bg: #141a26;
  --bg2: #202d42;
  --panel: #202d42;
  --panel2: #2b3850;
  --panel3: #3b4556;
  --text: #f9fafb;
  --muted: #a7b0c2;
  --muted2: #7f8aa0;
  --accent: #f2cc83;
  --accent2: #ffe1a8;
  --accentText: #1e2636;
  --danger: #ff7b7b;
  --success: #9be7b1;
  --border: rgba(148, 163, 184, .35);
  --shadow: 0 24px 80px rgba(0, 0, 0, .32);
  --radius: 24px;
  --radius2: 18px;
  --focus: 0 0 0 4px rgba(242, 204, 131, .28);

  --max: 1180px;
}

html[data-theme="light"] {
  color-scheme: light;

  --bg: #f7ecd4;
  --bg2: #faefdc;
  --panel: #fff7e7;
  --panel2: #f8e8c8;
  --panel3: #efd8aa;
  --text: #1e2636;
  --muted: #5c6472;
  --muted2: #7c6950;
  --accent: #296117;
  --accent2: #3f8729;
  --accentText: #ffffff;
  --danger: #b3261e;
  --success: #247a3d;
  --border: rgba(86, 72, 50, .22);
  --shadow: 0 24px 70px rgba(88, 66, 28, .18);
  --focus: 0 0 0 4px rgba(41, 97, 23, .18);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(242, 204, 131, .18), transparent 34rem),
    radial-gradient(circle at bottom right, rgba(75, 94, 130, .24), transparent 30rem),
    var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--text);
  background: transparent;
}

button,
input {
  font: inherit;
}

button {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

code,
kbd {
  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    "Liberation Mono",
    monospace;
}

kbd {
  display: inline-flex;
  align-items: center;
  min-height: 1.5em;
  padding: .08rem .38rem;
  border: 1px solid var(--border);
  border-radius: .45rem;
  background: color-mix(in srgb, var(--panel3), transparent 20%);
  color: var(--text);
  font-size: .82em;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  left: 1rem;
  top: .8rem;
  transform: translateY(-160%);
  padding: .7rem 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accentText);
  font-weight: 800;
  text-decoration: none;
  transition: transform .18s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--bg2), transparent 6%), color-mix(in srgb, var(--bg), transparent 10%));
  backdrop-filter: blur(16px);
}

.topbar-inner {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  min-height: 84px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
}

.home-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: .7rem .95rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel), transparent 16%);
  color: var(--text);
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
}

.home-link:hover {
  border-color: color-mix(in srgb, var(--accent), transparent 20%);
}

.brand {
  display: flex;
  align-items: center;
  gap: .85rem;
  min-width: 0;
}

.brand-mark {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background:
    radial-gradient(circle at 30% 25%, var(--accent2), var(--accent) 48%, color-mix(in srgb, var(--accent), #000 28%));
  color: var(--accentText);
  font-size: 1.55rem;
  box-shadow: 0 14px 30px rgba(0, 0, 0, .22);
}

.brand h1 {
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.75rem);
  line-height: 1.08;
  letter-spacing: -.035em;
}

.brand p {
  margin: .2rem 0 0;
  color: var(--muted);
  font-size: .9rem;
}

.top-actions {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: .55rem;
}

.app-shell {
  width: min(var(--max), calc(100% - 2rem));
  margin: 1.25rem auto 0;
}

.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel), white 2%), var(--panel));
  box-shadow: var(--shadow);
}

.start-view {
  min-height: calc(100vh - 190px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .72fr);
  gap: 1.25rem;
  align-items: center;
  padding: clamp(1.2rem, 4vw, 3rem);
  overflow: hidden;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 .55rem;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.hero-copy h2 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(2.3rem, 7vw, 5.8rem);
  line-height: .92;
  letter-spacing: -.07em;
}

.hero-copy p {
  margin: 1.15rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.5rem;
}

.hero-card {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--accent), transparent 70%), transparent 55%),
    color-mix(in srgb, var(--panel2), transparent 5%);
}

.hero-card p {
  margin: 1rem .2rem .2rem;
  color: var(--muted);
  line-height: 1.55;
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
}

.mini-grid div {
  min-height: 135px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 22px;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--panel3), white 3%), color-mix(in srgb, var(--panel2), black 4%));
  font-size: clamp(2.2rem, 5vw, 3.5rem);
}

.answer-preview {
  display: flex;
  justify-content: center;
  gap: .5rem;
  margin-top: .8rem;
}

.answer-preview span {
  width: 44px;
  height: 50px;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--accent), transparent 20%);
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent), transparent 76%);
  color: var(--text);
  font-weight: 950;
  font-size: 1.25rem;
}

.game-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 1rem;
  align-items: start;
}

.play-panel,
.info-panel {
  padding: 1rem;
}

.level-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.level-head h2 {
  margin: 0;
  font-size: clamp(1.65rem, 4vw, 2.45rem);
  letter-spacing: -.04em;
}

.pill-row {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: .5rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: .4rem .7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel3), transparent 18%);
  color: var(--muted);
  font-size: .9rem;
  font-weight: 800;
  white-space: nowrap;
}

.pill.accent {
  border-color: color-mix(in srgb, var(--accent), transparent 30%);
  background: color-mix(in srgb, var(--accent), transparent 82%);
  color: var(--text);
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .8rem;
}

.image-card {
  position: relative;
  min-height: clamp(130px, 22vw, 230px);
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 24px;
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--accent), transparent 78%), transparent 60%),
    linear-gradient(145deg, color-mix(in srgb, var(--panel3), white 2%), color-mix(in srgb, var(--panel2), black 4%));
  isolation: isolate;
}

.image-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .08), transparent 36%),
    linear-gradient(315deg, rgba(0, 0, 0, .14), transparent 42%);
  z-index: 2;
}

.image-symbol {
  position: relative;
  z-index: 1;
  font-size: clamp(2.7rem, 9vw, 5.5rem);
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, .24));
}

.image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.answer-section,
.letter-section {
  margin-top: 1rem;
}

.section-label {
  margin: 0 0 .55rem;
  color: var(--muted);
  font-size: .84rem;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.answer-slots {
  display: flex;
  flex-wrap: wrap;
  gap: .52rem;
  min-height: 58px;
}

.slot {
  width: clamp(42px, 6vw, 58px);
  height: clamp(48px, 6.8vw, 64px);
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--accent), transparent 45%);
  border-radius: 16px;
  background: color-mix(in srgb, var(--panel3), transparent 15%);
  color: var(--text);
  font-size: clamp(1.15rem, 3vw, 1.55rem);
  font-weight: 950;
  line-height: 1;
  cursor: pointer;
  transition:
    transform .14s ease,
    border-color .14s ease,
    background .14s ease;
}

.slot:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: var(--accent);
}

.slot.is-filled {
  background: color-mix(in srgb, var(--accent), transparent 78%);
}

.slot.is-locked {
  border-color: color-mix(in srgb, var(--success), transparent 20%);
  background: color-mix(in srgb, var(--success), transparent 82%);
  cursor: default;
}

.letter-bank {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding: .8rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: color-mix(in srgb, var(--bg), transparent 68%);
}

.letter {
  min-width: 44px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--border), var(--accent) 18%);
  border-radius: 14px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel3), white 5%), color-mix(in srgb, var(--panel2), black 3%));
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 950;
  cursor: pointer;
  transition:
    transform .14s ease,
    opacity .14s ease,
    border-color .14s ease;
}

.letter:hover:not(:disabled) {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.letter:disabled {
  opacity: .32;
  cursor: default;
  transform: none;
}

.message-box {
  min-height: 48px;
  display: flex;
  align-items: center;
  margin-top: 1rem;
  padding: .75rem .9rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: color-mix(in srgb, var(--bg), transparent 65%);
  color: var(--muted);
  font-weight: 750;
}

.message-box.success {
  border-color: color-mix(in srgb, var(--success), transparent 30%);
  color: var(--success);
  background: color-mix(in srgb, var(--success), transparent 88%);
}

.message-box.error {
  border-color: color-mix(in srgb, var(--danger), transparent 25%);
  color: var(--danger);
  background: color-mix(in srgb, var(--danger), transparent 88%);
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1rem;
}

.btn {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  padding: .7rem .95rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel3), transparent 15%);
  color: var(--text);
  font-weight: 850;
  cursor: pointer;
  text-decoration: none;
  transition:
    transform .14s ease,
    border-color .14s ease,
    background .14s ease,
    color .14s ease,
    opacity .14s ease;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent), transparent 10%);
}

.btn:disabled {
  opacity: .45;
  cursor: not-allowed;
  transform: none;
}

.btn.primary {
  border-color: color-mix(in srgb, var(--accent), transparent 16%);
  background: var(--accent);
  color: var(--accentText);
}

.btn.soft {
  border-color: color-mix(in srgb, var(--accent), transparent 50%);
  background: color-mix(in srgb, var(--accent), transparent 82%);
}

.btn.ghost {
  background: color-mix(in srgb, var(--panel), transparent 38%);
}

.btn.danger {
  color: color-mix(in srgb, var(--danger), var(--text) 22%);
}

.btn.big {
  min-height: 52px;
  padding-inline: 1.25rem;
  font-size: 1rem;
}

.btn.full {
  width: 100%;
}

.info-panel {
  position: sticky;
  top: 100px;
}

.info-block {
  padding: .9rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: color-mix(in srgb, var(--bg), transparent 72%);
}

.info-block + .info-block,
.info-block + .stat-grid,
.stat-grid + .info-block,
.info-block + .btn {
  margin-top: .8rem;
}

.hint-text {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.progress-wrap {
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel3), transparent 8%);
  border: 1px solid var(--border);
}

.progress-fill {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width .28s ease;
}

.progress-text {
  margin: .65rem 0 0;
  color: var(--muted);
  font-weight: 800;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .65rem;
}

.stat-card {
  min-height: 88px;
  padding: .8rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--border);
  border-radius: 20px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel3), transparent 20%), color-mix(in srgb, var(--panel2), transparent 8%));
}

.stat-card span {
  color: var(--muted);
  font-size: .8rem;
  font-weight: 850;
}

.stat-card strong {
  font-size: 1.7rem;
  letter-spacing: -.04em;
}

.small-note p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
  font-size: .92rem;
}

.footer-note {
  width: min(var(--max), calc(100% - 2rem));
  margin: 1rem auto 1.5rem;
  color: var(--muted2);
  font-size: .88rem;
  text-align: center;
}

.is-hidden {
  display: none !important;
}

.shake {
  animation: shake .34s ease;
}

.pop {
  animation: pop .38s ease;
}

@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }

  25% {
    transform: translateX(-7px);
  }

  50% {
    transform: translateX(7px);
  }

  75% {
    transform: translateX(-4px);
  }
}

@keyframes pop {
  0% {
    transform: scale(.98);
  }

  55% {
    transform: scale(1.015);
  }

  100% {
    transform: scale(1);
  }
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

@media (max-width: 1040px) {
  .topbar-inner {
    grid-template-columns: auto 1fr;
  }

  .top-actions {
    grid-column: 1 / -1;
    justify-content: flex-start;
    padding-bottom: .8rem;
  }

  .game-layout {
    grid-template-columns: 1fr;
  }

  .info-panel {
    position: static;
  }
}

@media (max-width: 820px) {
  .start-view {
    grid-template-columns: 1fr;
  }

  .hero-card {
    order: -1;
  }

  .topbar-inner {
    width: min(100% - 1rem, var(--max));
  }

  .app-shell,
  .footer-note {
    width: min(100% - 1rem, var(--max));
  }
}

@media (max-width: 620px) {
  .topbar-inner {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-block: .8rem;
  }

  .home-link {
    justify-self: flex-start;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 14px;
  }

  .top-actions,
  .action-row,
  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }

  .start-view,
  .play-panel,
  .info-panel {
    padding: .85rem;
    border-radius: 20px;
  }

  .image-grid {
    gap: .55rem;
  }

  .image-card {
    min-height: 118px;
    border-radius: 18px;
  }

  .answer-slots,
  .letter-bank {
    gap: .4rem;
  }

  .slot {
    width: 40px;
    height: 48px;
    border-radius: 13px;
  }

  .letter {
    min-width: 39px;
    height: 45px;
    border-radius: 12px;
  }

  .level-head {
    display: block;
  }

  .pill-row {
    justify-content: flex-start;
    margin-top: .75rem;
  }

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