:root {
  --c-bg-1: #fff2b2;
  --c-bg-2: #ffcf70;
  --c-bg-3: #ffe4cc;
  --c-panel: rgba(255, 255, 255, 0.86);
  --c-ink: #28231f;
  --c-strong: #c82935;
  --c-accent: #00866e;
  --c-accent-2: #2e5ecf;
  --c-warn: #f08e18;
  --shadow: 0 12px 30px rgba(41, 30, 20, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Nunito", sans-serif;
  color: var(--c-ink);
  background:
    radial-gradient(circle at 15% 12%, rgba(255, 67, 92, 0.28), transparent 26%),
    radial-gradient(circle at 90% 15%, rgba(13, 194, 151, 0.25), transparent 24%),
    radial-gradient(circle at 30% 90%, rgba(46, 94, 207, 0.22), transparent 22%),
    linear-gradient(140deg, var(--c-bg-1), var(--c-bg-2) 50%, var(--c-bg-3));
}

.game-shell {
  width: min(1180px, 94vw);
  margin: 1.4rem auto 2.2rem;
}

.hero {
  text-align: center;
  margin-bottom: 1rem;
}

.hero h1 {
  margin: 0;
  font-family: "Bangers", cursive;
  font-size: clamp(3.2rem, 11vw, 6rem);
  letter-spacing: 0.08em;
  color: var(--c-strong);
  text-shadow: 3px 4px 0 #fff;
}

.subtitle {
  font-size: 1.1rem;
  margin: 0.25rem 0 0;
  font-weight: 700;
}

.rules-link {
  display: inline-block;
  margin-top: 0.7rem;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  background: var(--c-accent-2);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}

.rules-link:hover {
  filter: brightness(1.07);
}

.rules-shell {
  width: min(860px, 94vw);
  margin: 1.4rem auto 2.2rem;
}

.rules-list {
  margin: 0.4rem 0 0;
  padding-left: 1.15rem;
}

.rules-list li {
  margin-bottom: 0.5rem;
}

.score-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin-bottom: 1rem;
}

.score-box {
  background: var(--c-panel);
  border: 2px solid rgba(0, 0, 0, 0.12);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 0.9rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.score-box .label {
  font-weight: 900;
  font-size: 1rem;
}

.score-box span:last-child {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--c-accent-2);
}

.play-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 1rem;
}

.panel {
  background: var(--c-panel);
  border-radius: 18px;
  box-shadow: var(--shadow);
  border: 2px solid rgba(0, 0, 0, 0.12);
  padding: 1rem;
}

.panel h2 {
  margin: 0 0 0.8rem;
  font-size: 1.3rem;
}

#photo-display {
  width: 100%;
  max-height: 560px;
  object-fit: cover;
  border-radius: 14px;
  border: 4px solid #fff;
  background: linear-gradient(135deg, #ffdf96, #ffd2b2);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.map-help {
  margin: 0 0 0.6rem;
  font-weight: 700;
}

#guess-map {
  width: 100%;
  height: 390px;
  border-radius: 14px;
  overflow: hidden;
  border: 3px solid #fff;
}

#guess-map.disabled-round {
  opacity: 0.55;
  filter: grayscale(0.35);
}

label[for="guess-date"] {
  margin-top: 0.8rem;
  display: inline-block;
  font-weight: 900;
}

#guess-date {
  width: 100%;
  margin-top: 0.4rem;
  border: 2px solid rgba(0, 0, 0, 0.2);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  font: inherit;
  font-weight: 700;
}

.actions {
  margin-top: 0.9rem;
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

button {
  border: none;
  cursor: pointer;
  border-radius: 999px;
  padding: 0.7rem 1.2rem;
  font: inherit;
  font-weight: 900;
  background: var(--c-accent);
  color: #fff;
  transition: transform 0.13s ease, filter 0.13s ease;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

button.ghost {
  background: var(--c-warn);
}

.result-panel {
  margin-top: 1rem;
}

.result-grid {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 0.5rem;
}

.result-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.result-label {
  font-weight: 800;
}

.result-value {
  font-weight: 900;
}

@media (max-width: 980px) {
  .play-grid {
    grid-template-columns: 1fr;
  }

  #guess-map {
    height: 340px;
  }
}