.game-shell {
  height: 100dvh;
  padding: clamp(0.75rem, 2vw, 1.5rem);
  overflow: hidden;
}

.game-card {
  max-width: 1100px;
  height: 100%;
  margin: 0 auto;
  background: #F3C8A0;
  border: 2px solid #5A2C28;
  border-radius: 12px;
  padding: clamp(0.75rem, 1.5vw, 1.25rem);
  box-shadow: 0 8px 24px rgba(90, 44, 40, 0.2);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

header {
  margin-bottom: 1rem;
}

h1,
h2 {
  color: #5A2C28;
  margin: 0 0 0.5rem;
}

.meta {
  margin: 0;
}

.back-link {
  display: inline-block;
  margin-bottom: 0.5rem;
  color: #5A2C28;
}

.top-section {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  flex: 0 0 auto;
}

.content-layout {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(220px, 0.95fr) minmax(0, 2.4fr) minmax(220px, 0.95fr);
  gap: 0.75rem;
}

.center-column {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.move-form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.board-hint {
  margin: 0;
  color: #5A2C28;
}

.board-section {
  flex: 1 1 auto;
  min-height: 180px;
  display: grid;
  place-items: center;
  container-type: size;
  padding: clamp(0.35rem, 1vw, 0.75rem);
  border-radius: 10px;
  border: 2px solid #5A2C28;
  background: #B9DAD1;
  overflow: hidden;
}

.import-card {
  background: #E1EAA9;
  border: 2px solid #5A2C28;
  border-radius: 10px;
  padding: 0.65rem;
  display: grid;
  align-self: start;
  align-content: start;
  gap: 0.5rem;
}

.import-card label {
  color: #5A2C28;
  font-weight: 700;
}

input {
  border: 2px solid #5A2C28;
  border-radius: 10px;
  background: #B9DAD1;
  padding: 0.6rem 0.75rem;
  min-width: 180px;
}

textarea {
  border: 2px solid #5A2C28;
  border-radius: 10px;
  background: #B9DAD1;
  padding: 0.6rem 0.75rem;
  resize: vertical;
  min-height: 80px;
}

button {
  border: 2px solid #5A2C28;
  border-radius: 10px;
  background: #C19EF5;
  color: #5A2C28;
  padding: 0.6rem 1rem;
  cursor: pointer;
}

button:hover {
  background: #BA6D4B;
  color: #F3C8A0;
}

.error {
  margin-top: 0.5rem;
  color: #5A2C28;
  font-weight: 700;
}

@media (max-width: 920px) {
  .content-layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "center"
      "fen"
      "pgn";
  }

  .center-column {
    grid-area: center;
  }

  .fen-card {
    grid-area: fen;
  }

  .pgn-card {
    grid-area: pgn;
  }
}