:root { color-scheme: dark; }
* { box-sizing: border-box; touch-action: manipulation; }
html, body {
  margin: 0; padding: 0; height: 100dvh; overflow: hidden;
  background: #0a0a0a; color: #f5f5f5;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  -webkit-font-smoothing: antialiased; -webkit-tap-highlight-color: transparent;
  user-select: none; -webkit-user-select: none; overscroll-behavior: none;
}
main {
  height: 100%; max-width: 480px; margin: 0 auto;
  display: flex; flex-direction: column;
  padding: max(58px, env(safe-area-inset-top)) 12px max(14px, env(safe-area-inset-bottom));
  gap: 8px;
}
.score-bar { display: flex; gap: 7px; align-items: stretch; }
.score-box { flex: 1; background: #161616; border: 1px solid #2a2a2a; border-radius: 12px; padding: 6px 8px; text-align: center; min-width: 0; }
.score-label { display: block; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: #a0a0a0; }
.score-val, .best-val { display: block; font-size: 20px; font-weight: 800; font-variant-numeric: tabular-nums; color: #f5f5f5; margin-top: 1px; line-height: 1.1; }
.new-btn { flex: 0 0 auto; font: inherit; color: #fff; background: #4f9eff; border: none; border-radius: 12px; padding: 0 16px; min-height: 48px; cursor: pointer; font-weight: 700; font-size: 14px; }
.new-btn:active { background: #3d8ae8; }

.message { margin: 0; text-align: center; font-size: 12px; color: #9aa0aa; min-height: 15px; }

/* cards */
.card {
  width: 100%; aspect-ratio: 5 / 7; border-radius: 8px;
  background: linear-gradient(160deg, #fbfdff, #e6edf5); color: #1a2230;
  border: 1px solid #c2cdd9; box-shadow: 0 1px 2px rgba(0,0,0,0.4);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: -0.02em;
}
.card.face { color: #b3471f; } .card.ace { color: #1f6fb3; }
.card.empty { background: rgba(255,255,255,0.04); border: 1px dashed #3a3f4a; box-shadow: none; }

/* foundations */
.foundations { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.fslot { position: relative; border-radius: 10px; padding: 3px; background: #14171d; border: 1px solid #262b34; }
.fslot.glow { border-color: #5fd089; box-shadow: 0 0 0 2px rgba(95,208,137,0.5); }
.fslot.complete { border-color: #c9a23a; box-shadow: 0 0 0 2px rgba(201,162,58,0.5); }
.fslot.bad { animation: shake 0.35s; }
.ftag { display: flex; justify-content: space-between; align-items: center; padding: 2px 3px 0; }
.ftag .gap { font-size: 11px; font-weight: 800; color: #7f8794; }
.ftag .need { font-size: 13px; font-weight: 800; color: #5fd089; }
.ftag .need.done { color: #c9a23a; }

/* stock */
.stock { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.stock .card { width: 78px; }
.stock .card.cur { box-shadow: 0 0 0 3px #4f9eff, 0 2px 4px rgba(0,0,0,0.5); font-size: 30px; }
.stock-count { font-size: 12px; font-weight: 700; color: #9aa0aa; }

/* wastes */
.wastes { flex: 1 1 auto; min-height: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; align-items: start; align-content: start; }
.wcol { position: relative; border-radius: 10px; background: #101319; border: 1px solid #20242c; padding: 4px; }
.wcol .card { position: absolute; left: 4px; right: 4px; width: auto; font-size: 18px; }
.wcol .card.slot { position: relative; opacity: 0.55; }
.wcol .card.wunder { filter: brightness(0.9); }
.wcol .card.wtop { box-shadow: 0 2px 5px rgba(0,0,0,0.55); z-index: 2; }
.wcol:active { background: #151a22; }
@keyframes shake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-5px)} 75%{transform:translateX(5px)} }
.bad { animation: shake 0.35s; }

/* chrome */
.home-link, .hof-link {
  position: fixed; top: max(12px, env(safe-area-inset-top)); z-index: 10;
  width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px; background: rgba(0,0,0,0.35); color: #fff; text-decoration: none;
  font-size: 20px; font-weight: 600; line-height: 1; border: none; cursor: pointer; font-family: inherit;
  -webkit-tap-highlight-color: transparent; backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
}
.home-link { left: max(12px, env(safe-area-inset-left)); }
.hof-link { right: max(12px, env(safe-area-inset-right)); }
@media (hover: hover) { .home-link:hover, .hof-link:hover { background: rgba(0,0,0,0.55); } }

/* overlay */
.overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.55); display: flex; align-items: center; justify-content: center; z-index: 20; padding: 20px; backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px); }
.overlay[hidden] { display: none; }
.overlay-card { background: #161616; border: 1px solid #2a2a2a; border-radius: 18px; padding: 24px 22px; display: flex; flex-direction: column; gap: 12px; align-items: center; text-align: center; min-width: 240px; max-width: 320px; width: 100%; }
.overlay-card h2 { margin: 0; font-size: 22px; font-weight: 800; letter-spacing: -0.02em; }
.overlay-score { margin: 0; font-size: 56px; font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: -0.04em; line-height: 1; }
.overlay-score .unit { font-size: 22px; font-weight: 600; color: #c0c0c0; margin-left: 4px; }
.overlay-card button { font: inherit; color: #fff; background: rgba(255,255,255,0.10); border: 1px solid rgba(255,255,255,0.22); border-radius: 999px; padding: 12px 20px; min-height: 44px; cursor: pointer; font-weight: 600; font-size: 14px; width: 100%; -webkit-tap-highlight-color: transparent; }
.overlay-card button:active { background: rgba(255,255,255,0.18); }
.overlay-card .save-btn, .overlay-card .new-overlay-btn { background: #4f9eff; border-color: #4f9eff; }
.overlay-card .save-btn:active, .overlay-card .new-overlay-btn:active { background: #3d8ae8; }