* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #f2f6ff;
  background: #09111d;
  background-image:
    radial-gradient(circle at 18% 12%, rgba(45, 168, 164, .22), transparent 32%),
    linear-gradient(180deg, #12233a 0%, #09111d 58%, #070a12 100%);
}
a { color: inherit; }
.license-banner { padding: 8px 14px; text-align: center; background: #56421a; color: #fff0c5; }
.site-header {
  min-height: 58px;
  padding: 10px clamp(12px, 3vw, 28px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,.12);
  background: rgba(7, 12, 22, .82);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; }
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  color: #07111e;
  background: linear-gradient(135deg, #ffe56e, #48d0c8);
  font-size: 13px;
}
.site-nav { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.site-nav a {
  padding: 8px 10px;
  border-radius: 7px;
  text-decoration: none;
  color: #cbd7e8;
}
.site-nav a[aria-current="page"], .site-nav a:hover { background: rgba(255,255,255,.1); color: #fff; }
.app-shell { width: min(1180px, 100%); margin: 0 auto; padding: clamp(10px, 2.5vw, 24px); }
.game-layout { display: grid; grid-template-columns: minmax(300px, 720px) minmax(260px, 340px); gap: 16px; align-items: start; }
.game-stage {
  position: relative;
  width: 100%;
  max-height: calc(100vh - 92px);
  aspect-ratio: 7 / 12;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 8px;
  overflow: hidden;
  background: #050914;
  box-shadow: 0 22px 60px rgba(0,0,0,.35);
  touch-action: none;
}
#gameCanvas { display: block; width: 100%; height: 100%; image-rendering: auto; }
.touch-pad { position: absolute; inset: 0; touch-action: none; }
.side-panel { display: grid; gap: 12px; }
.score-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.score-grid div, .control-panel, .mini-ranking, .codex-panel, .info-page section, .ranking-list li {
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 8px;
  background: rgba(13, 25, 42, .8);
}
.score-grid div { padding: 10px; min-height: 64px; }
.score-grid span { display: block; color: #94a8c4; font-size: 12px; }
.score-grid strong { display: block; margin-top: 3px; font-size: clamp(18px, 3vw, 26px); line-height: 1.1; overflow-wrap: anywhere; }
.control-panel { padding: 12px; display: grid; gap: 10px; }
label { color: #b8c8dd; font-size: 13px; }
select, button, .button-link {
  min-height: 42px;
  border: 0;
  border-radius: 7px;
  font: inherit;
}
select { width: 100%; padding: 0 10px; color: #f5f8ff; background: #17263b; border: 1px solid rgba(255,255,255,.16); }
button, .button-link {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 0 14px;
  color: #06101d;
  background: #5fe0d5;
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
}
button:hover, .button-link:hover { filter: brightness(1.08); }
.button-row { display: flex; gap: 8px; flex-wrap: wrap; }
.sprite-controls { display: grid; gap: 8px; }
.sprite-field {
  display: grid;
  gap: 6px;
  min-width: 0;
}
.sprite-field label { overflow-wrap: anywhere; }
.mobile-buttons { display: grid; grid-template-columns: 1fr 96px; gap: 12px; align-items: center; }
.dpad { display: grid; grid-template-columns: repeat(3, 54px); grid-template-rows: repeat(3, 44px); gap: 6px; justify-content: center; }
.dpad button:nth-child(1) { grid-column: 2; grid-row: 1; }
.dpad button:nth-child(2) { grid-column: 1; grid-row: 2; }
.dpad button:nth-child(3) { grid-column: 2; grid-row: 3; }
.dpad button:nth-child(4) { grid-column: 3; grid-row: 2; }
.fire-button { width: 96px; height: 96px; border-radius: 50%; background: #ffe56e; }
.mini-ranking, .ranking-list { list-style: decimal; margin: 0; padding: 10px 10px 10px 32px; }
.mini-ranking li { margin: 4px 0; color: #dbe7f8; }
.codex-panel { padding: 12px; min-width: 0; }
.codex-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}
.codex-header h2 { margin: 0; font-size: 16px; }
.codex-header span { color: #9fb1c8; font-size: 12px; text-align: right; overflow-wrap: anywhere; }
.codex-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.codex-columns h3 { margin: 0 0 6px; color: #b8c8dd; font-size: 12px; }
.codex-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 5px; }
.codex-list li {
  min-width: 0;
  padding: 5px 7px;
  border-radius: 6px;
  color: #e8f1ff;
  background: rgba(255,255,255,.07);
  font-size: 12px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}
.info-page { display: grid; gap: 16px; }
.info-page h1 { margin: 0; font-size: clamp(28px, 6vw, 48px); }
.info-page p { margin: 0; color: #c3d2e5; line-height: 1.8; }
.howto-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.info-page section { padding: 16px; }
.info-page h2 { margin: 0 0 8px; font-size: 18px; }
.ranking-list { display: grid; gap: 8px; padding-left: 32px; }
.ranking-list li { padding: 12px; }
.ranking-list strong, .ranking-list span { display: block; }
.ranking-list span { color: #9fb1c8; margin-top: 4px; }
@media (max-width: 860px) {
  .game-layout { grid-template-columns: 1fr; }
  .game-stage { margin: 0 auto; width: min(100%, 520px); max-height: 68vh; }
  .side-panel { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .site-nav { width: 100%; justify-content: space-between; }
  .site-nav a { padding: 7px 8px; }
  .app-shell { padding: 8px; }
  .game-stage { max-height: 62vh; border-radius: 6px; }
  .score-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
  .score-grid div { min-height: 52px; padding: 7px; }
  .score-grid span { font-size: 10px; }
  .score-grid strong { font-size: 16px; }
  .sprite-controls { grid-template-columns: 1fr; }
  .codex-columns { grid-template-columns: 1fr; }
  .codex-header { align-items: flex-start; flex-direction: column; }
  .codex-header span { text-align: left; }
  .mobile-buttons { grid-template-columns: 1fr 82px; }
  .dpad { grid-template-columns: repeat(3, 45px); grid-template-rows: repeat(3, 39px); gap: 5px; }
  .fire-button { width: 82px; height: 82px; font-size: 13px; }
  .howto-grid { grid-template-columns: 1fr; }
}