:root {
  --page-a: #fff7fb;
  --page-b: #f7f5ff;
  --page-c: #f2fbff;
  --surface: rgba(255, 255, 255, 0.88);
  --text: #514a5d;
  --muted: #8a8296;
  --border: #eadff0;
  --pink: #f4bfd6;
  --pink-strong: #e99cbe;
  --good-bg: #effaf4;
  --good-border: #bfe7cf;
  --warn-bg: #fff8ec;
  --warn-border: #f0d59c;
  --code-bg: #fffafd;
  --shadow: 0 14px 38px rgba(108, 83, 121, 0.10);
}

* { box-sizing: border-box; }

html { min-height: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-rounded, "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(244, 191, 214, 0.42), transparent 28%),
    radial-gradient(circle at 90% 12%, rgba(207, 233, 247, 0.55), transparent 30%),
    radial-gradient(circle at 80% 88%, rgba(204, 238, 221, 0.45), transparent 30%),
    linear-gradient(135deg, var(--page-a), var(--page-b) 52%, var(--page-c));
}

button, select { font: inherit; }

.app-shell {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 44px;
}

.hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.game-name {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

h1 {
  margin: 0;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: #594f67;
}

.version-badge {
  flex: 0 0 auto;
  max-width: 260px;
  padding: 8px 13px;
  border: 1px solid #e4d8ee;
  border-radius: 999px;
  background: linear-gradient(135deg, #fff, #f6f0ff);
  box-shadow: 0 6px 18px rgba(108, 83, 121, 0.07);
  color: #7d6b8c;
  font-size: 0.78rem;
  font-weight: 800;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.card {
  border: 1px solid rgba(234, 223, 240, 0.95);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.controls-card { padding: 18px; }

.control-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.field {
  display: grid;
  gap: 7px;
}

.field > span {
  padding-left: 2px;
  color: #746a80;
  font-size: 0.79rem;
  font-weight: 800;
}

.version-field select {
  border-color: #d7ccf0;
  background: linear-gradient(135deg, #fff, #fbf8ff);
  font-weight: 800;
}

select {
  width: 100%;
  min-height: 44px;
  padding: 9px 36px 9px 12px;
  border: 1px solid var(--border);
  border-radius: 13px;
  outline: none;
  background-color: rgba(255, 255, 255, 0.96);
  color: var(--text);
  transition: border-color 130ms ease, box-shadow 130ms ease, transform 130ms ease;
}

.field:nth-child(2) select { border-color: #eecddd; }
.field:nth-child(3) select { border-color: #d8e9d8; }
.field:nth-child(4) select { border-color: #f2d9c5; }
.field:nth-child(5) select,
.field:nth-child(6) select { border-color: #ddd1f2; }
.field:nth-child(7) select { border-color: #f2ccdf; }
.field:nth-child(8) select { border-color: #cfe2f0; }

select:focus {
  border-color: var(--pink-strong);
  box-shadow: 0 0 0 4px rgba(244, 191, 214, 0.22);
}

select:disabled {
  cursor: not-allowed;
  opacity: 0.48;
  background: #f7f3f8;
}

.compatibility {
  margin-top: 14px;
  padding: 10px 12px;
  border: 1px solid;
  border-radius: 13px;
  font-size: 0.81rem;
  line-height: 1.4;
}

.compatibility.is-good {
  border-color: var(--good-border);
  background: var(--good-bg);
  color: #567563;
}

.compatibility.is-warn {
  border-color: var(--warn-border);
  background: var(--warn-bg);
  color: #826b3c;
}

.output-card {
  margin-top: 16px;
  overflow: hidden;
}

.output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 15px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, rgba(244, 191, 214, 0.18), rgba(216, 205, 247, 0.16), rgba(207, 233, 247, 0.18));
  color: #756981;
  font-size: 0.82rem;
  font-weight: 800;
}

button {
  border: 1px solid #e8c6d7;
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
  background: linear-gradient(135deg, #ffe7f1, #f0e8ff);
  color: #745d70;
  font-size: 0.79rem;
  font-weight: 800;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(135, 97, 122, 0.12);
}

button:active { transform: translateY(0); }

.code-output {
  margin: 0;
  min-height: 430px;
  overflow: auto;
  padding: 16px;
  background: var(--code-bg);
  color: #51495b;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.80rem;
  line-height: 1.55;
  white-space: pre;
  tab-size: 2;
}

@media (max-width: 760px) {
  .app-shell {
    width: min(100% - 22px, 980px);
    padding-top: 18px;
  }

  .control-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card { border-radius: 18px; }
}

@media (max-width: 520px) {
  .hero { align-items: center; }
  .game-name { font-size: 0.72rem; }
  .version-badge { padding: 7px 10px; font-size: 0.70rem; max-width: 190px; }
  .control-grid { grid-template-columns: 1fr; }
  .code-output { min-height: 390px; font-size: 0.73rem; }
}