:root {
  --bg: #f4efe6;
  --ink: #1d2630;
  --muted: #66717c;
  --panel: #fffaf1;
  --line: #ded2bf;
  --accent: #177a73;
  --accent-strong: #0f5d58;
  --sun: #d99026;
  --danger: #9b2f2f;
  --shadow: 0 18px 50px rgba(45, 38, 27, 0.14);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Trebuchet MS", Verdana, sans-serif;
  background:
    radial-gradient(circle at 12% 12%, rgba(217, 144, 38, 0.18), transparent 32%),
    linear-gradient(135deg, #f8f2e8 0%, #eaf2ef 58%, #f2e7d1 100%);
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
  border-radius: 8px;
  padding: 0.85rem 1.1rem;
  color: #fff;
  background: var(--accent);
  cursor: pointer;
}

button:hover,
button:focus-visible {
  background: var(--accent-strong);
}

button.secondary {
  color: var(--ink);
  background: #e7dccb;
}

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

.hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0 28px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent-strong);
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1;
}

h2 {
  font-size: 1.35rem;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 22px;
}

.play-panel,
.ranking-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 241, 0.9);
  box-shadow: var(--shadow);
}

.play-panel {
  padding: 24px;
}

.ranking-panel {
  padding: 20px;
}

.controls {
  display: grid;
  grid-template-columns: 1.4fr 1fr 0.7fr auto;
  gap: 14px;
  align-items: end;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.94rem;
}

input,
select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
  color: var(--ink);
  background: #fffdf8;
}

.game-area {
  margin-top: 26px;
  display: grid;
  gap: 18px;
}

.progress-line,
.ranking-header,
.button-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.question-box {
  display: grid;
  grid-template-columns: minmax(170px, 1fr) minmax(120px, 180px);
  gap: 16px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  background: #fffdf8;
}

#questionPrompt {
  font-size: clamp(2rem, 7vw, 4.5rem);
  font-weight: 700;
}

#answerInput {
  font-size: 2rem;
  text-align: center;
}

.number-pad {
  display: grid;
  grid-template-columns: repeat(3, minmax(64px, 1fr));
  gap: 8px;
  max-width: 360px;
  margin: 0 auto;
}

.number-pad button {
  min-height: 52px;
  padding: 0.65rem;
  font-size: 1.15rem;
  font-weight: 700;
  touch-action: manipulation;
}

.result-area {
  margin-top: 22px;
  border-left: 5px solid var(--sun);
  padding: 16px 18px;
  background: #fff6df;
}

.ranking-header {
  margin-bottom: 18px;
}

.ranking-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 24px;
}

.ranking-list li {
  border-bottom: 1px solid var(--line);
  padding: 0 0 10px 4px;
}

.ranking-name {
  display: block;
  font-weight: 700;
}

.ranking-questions {
  display: block;
  margin-top: 2px;
}

.ranking-meta {
  color: var(--muted);
  font-size: 0.92rem;
}

.error {
  color: var(--danger);
}

@media (max-width: 860px) {
  .hero,
  .layout,
  .controls,
  .question-box {
    grid-template-columns: 1fr;
  }

  .hero {
    display: grid;
    align-items: start;
  }

  .controls {
    align-items: stretch;
  }

  .button-row {
    display: grid;
    grid-template-columns: 1fr;
  }
}