:root {
  --paper: #f7f2e8;
  --paper-strong: rgba(255, 249, 238, 0.86);
  --ink: #1f2330;
  --ink-soft: rgba(31, 35, 48, 0.72);
  --coral: #f46b45;
  --teal: #1d7f7a;
  --ochre: #c18f2f;
  --berry: #8e3b63;
  --edge: rgba(31, 35, 48, 0.1);
  --shadow: 0 28px 80px rgba(31, 35, 48, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", "Avenir Next", "Trebuchet MS", sans-serif;
  color: var(--ink);
  overflow-x: hidden;
  background:
    radial-gradient(circle at top left, rgba(244, 107, 69, 0.26), transparent 34%),
    radial-gradient(circle at 88% 20%, rgba(29, 127, 122, 0.24), transparent 28%),
    linear-gradient(160deg, #f6eee0 0%, #efe6d7 48%, #f5f0e5 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(31, 35, 48, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 35, 48, 0.04) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 85%);
  pointer-events: none;
}

.app-shell {
  position: relative;
  width: min(1120px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.panel {
  background: var(--paper-strong);
  border: 1px solid var(--edge);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr minmax(280px, 0.9fr);
  gap: 24px;
  align-items: stretch;
  padding: 28px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  letter-spacing: 0.18em;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.hero h1 {
  margin: 12px 0 10px;
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 0.95;
}

.hero-text {
  max-width: 50ch;
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ink-soft);
}

.control-panel {
  display: grid;
  gap: 18px;
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.14));
  border: 1px solid rgba(31, 35, 48, 0.08);
}

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

.field-label {
  font-weight: 700;
}

.range-input {
  width: 100%;
  accent-color: var(--coral);
}

.field-summary {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.98rem;
  color: var(--ink-soft);
}

.primary-button,
.option-button {
  font: inherit;
  border: 0;
  cursor: pointer;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease,
    color 180ms ease;
}

.primary-button {
  min-height: 54px;
  padding: 14px 18px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--coral), #f08750);
  color: #fff9f3;
  font-weight: 700;
  box-shadow: 0 16px 32px rgba(244, 107, 69, 0.28);
}

.primary-button:hover,
.primary-button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 22px 38px rgba(244, 107, 69, 0.32);
}

.hint {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.status-card {
  padding: 18px 22px;
}

.status-label {
  display: block;
  margin-bottom: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.status-value {
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.playfield {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 18px;
  margin-top: 18px;
}

.cards-stage {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.dobble-card {
  padding: 18px;
  overflow: hidden;
}

.card-heading {
  margin-bottom: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.symbol-grid {
  display: grid;
  gap: 12px;
}

.symbol-chip,
.option-button,
.empty-state {
  border-radius: 18px;
}

.symbol-chip {
  display: grid;
  place-items: center;
  min-height: 62px;
  padding: 12px;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--symbol-accent, var(--teal)) 12%, rgba(255, 255, 255, 0.92)),
    rgba(255, 255, 255, 0.58)
  );
  border: 1px solid color-mix(in srgb, var(--symbol-accent, var(--teal)) 26%, rgba(31, 35, 48, 0.08));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.45),
    0 10px 18px rgba(31, 35, 48, 0.06);
  font-weight: var(--symbol-weight, 700);
  font-size: calc(clamp(1.45rem, 2.8vw, 2rem) * var(--symbol-scale, 1));
  letter-spacing: 0;
  line-height: 1;
  font-variant-numeric: lining-nums tabular-nums;
}

.answers {
  display: grid;
  gap: 18px;
  align-content: start;
  padding: 22px;
}

.answers-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  flex-wrap: wrap;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.option-button {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 60px;
  padding: 14px 12px;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--symbol-accent, var(--teal)) 14%, rgba(255, 255, 255, 0.9)),
    rgba(255, 255, 255, 0.76)
  );
  border: 1px solid color-mix(in srgb, var(--symbol-accent, var(--teal)) 30%, rgba(31, 35, 48, 0.08));
  color: var(--ink);
  text-align: center;
  box-shadow: 0 14px 24px rgba(31, 35, 48, 0.08);
  font-size: clamp(1.2rem, 2.1vw, 1.6rem);
  letter-spacing: 0;
  line-height: 1;
  font-variant-numeric: lining-nums tabular-nums;
}

.option-button:hover,
.option-button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 28px rgba(31, 35, 48, 0.12);
}

.option-button.is-correct {
  background: color-mix(in srgb, var(--teal) 18%, white);
  color: var(--ink);
}

.option-button.is-wrong {
  background: color-mix(in srgb, var(--berry) 18%, white);
  color: var(--ink);
  animation: shake 240ms ease;
}

.option-button:disabled {
  cursor: default;
  transform: none;
  box-shadow: none;
}

.feedback {
  min-height: 24px;
  margin: 0;
  color: var(--ink-soft);
}

.result-banner {
  margin-top: 18px;
  padding: 22px 24px;
  background: linear-gradient(135deg, rgba(29, 127, 122, 0.14), rgba(255, 255, 255, 0.8));
}

.result-banner strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.18rem;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 132px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.46);
  border: 1px dashed rgba(31, 35, 48, 0.12);
  color: var(--ink-soft);
  text-align: center;
}

.hidden {
  display: none;
}

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

  35% {
    transform: translateX(-4px);
  }

  65% {
    transform: translateX(4px);
  }
}

@media (max-width: 940px) {
  .hero,
  .playfield,
  .cards-stage {
    grid-template-columns: 1fr;
  }

  .app-shell {
    width: min(100vw - 20px, 760px);
    padding-top: 20px;
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: min(100vw - 12px, 760px);
    padding: 10px 0 14px;
  }

  .hero,
  .answers,
  .dobble-card,
  .status-card {
    padding: 14px;
  }

  .status-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-top: 12px;
  }

  .status-label {
    margin-bottom: 6px;
    font-size: 0.63rem;
    letter-spacing: 0.12em;
  }

  .status-value {
    font-size: clamp(0.95rem, 4.5vw, 1.2rem);
  }

  .playfield {
    margin-top: 12px;
    gap: 10px;
  }

  .cards-stage {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .card-heading {
    margin-bottom: 10px;
    font-size: 0.72rem;
  }

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

  .option-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .symbol-chip {
    min-height: 54px;
    padding: 8px;
    font-size: calc(clamp(1.25rem, 8vw, 1.7rem) * var(--symbol-scale, 1));
  }

  .option-button {
    min-height: 52px;
    padding: 10px 6px;
    font-size: clamp(1rem, 6vw, 1.25rem);
  }

  .feedback {
    min-height: 18px;
    font-size: 0.82rem;
    line-height: 1.35;
  }

  .hero h1 {
    font-size: clamp(2.3rem, 12vw, 3.4rem);
  }

  body.game-active {
    overflow: hidden;
  }

  body.game-active .app-shell {
    min-height: 100svh;
    height: 100svh;
    padding: 8px 0 10px;
    overflow: hidden;
  }

  body.game-active .hero-copy,
  body.game-active .field,
  body.game-active .field-summary,
  body.game-active .hint {
    display: none;
  }

  body.game-active .hero {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 10px 12px;
  }

  body.game-active .control-panel {
    display: block;
    padding: 0;
    background: transparent;
    border: 0;
  }

  body.game-active .primary-button {
    min-height: 46px;
    padding: 12px 16px;
  }

  body.game-active .status-grid,
  body.game-active .playfield,
  body.game-active .result-banner {
    margin-top: 0;
  }

  body.game-active .status-card,
  body.game-active .dobble-card,
  body.game-active .answers {
    padding: 10px;
    border-radius: 20px;
  }

  body.game-active .card-heading {
    margin-bottom: 8px;
  }

  body.game-active .symbol-chip {
    min-height: 42px;
    font-size: calc(clamp(1.1rem, 6.5vw, 1.45rem) * var(--symbol-scale, 1));
  }

  body.game-active .option-button {
    min-height: 44px;
    font-size: clamp(0.95rem, 5.8vw, 1.1rem);
  }

  body.game-active .answers {
    gap: 10px;
  }

  body.game-active .feedback {
    font-size: 0.76rem;
  }

  body.game-active .result-banner {
    padding: 10px 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}