*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #08090f;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
}

/* ── Game wrapper & canvas ──────────────────────── */
#game-wrapper {
  position: relative;
  width: 480px;
  height: 640px;
  flex-shrink: 0;
  transform-origin: center center;
  overflow: hidden;
  border-radius: 4px;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: pointer;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

/* ── Pause button ───────────────────────────────── */
.pause-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 36px;
  height: 36px;
  background: rgba(0,0,0,0.45);
  border: 1.5px solid rgba(255,255,255,0.45);
  border-radius: 8px;
  color: rgba(255,255,255,0.9);
  font-size: 13px;
  letter-spacing: 2px;
  cursor: pointer;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, transform 0.1s;
  backdrop-filter: blur(4px);
}
.pause-btn:hover  { background: rgba(0,0,0,0.65); }
.pause-btn:active { transform: scale(0.92); }

/* ── Modals ─────────────────────────────────────── */
.hidden { display: none !important; }

.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  background: rgba(0,0,0,0.62);
  backdrop-filter: blur(6px);
  animation: modalFadeIn 0.2s ease;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal-panel {
  background: linear-gradient(160deg, #1c2e4a 0%, #0b1520 100%);
  border: 2px solid #f5c518;
  border-radius: 20px;
  padding: 28px 32px 24px;
  min-width: 290px;
  max-width: 92vw;
  text-align: center;
  color: #fff;
  box-shadow:
    0 0 0 1px rgba(245,197,24,0.12),
    0 8px 48px rgba(0,0,0,0.9),
    0 0 48px rgba(245,197,24,0.12);
  animation: panelSlideUp 0.32s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-panel.wide { min-width: 340px; }

@keyframes panelSlideUp {
  from { transform: translateY(28px) scale(0.94); opacity: 0; }
  to   { transform: translateY(0) scale(1); opacity: 1; }
}

.modal-title {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 4px;
  color: #f5c518;
  text-shadow: 0 0 24px rgba(245,197,24,0.55), 0 2px 0 rgba(0,0,0,0.4);
  margin-bottom: 20px;
}

/* ── Score rows ─────────────────────────────────── */
.score-rows { margin-bottom: 16px; }

.score-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 14px;
  background: rgba(255,255,255,0.055);
  border-radius: 10px;
  margin-bottom: 6px;
}

.score-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.45);
}

.score-val {
  font-size: 30px;
  font-weight: 900;
  color: #fff;
  line-height: 1;
}
.score-val.gold { color: #f5c518; }

/* ── Name entry ─────────────────────────────────── */
.name-entry {
  margin: 18px 0 16px;
  text-align: left;
}

.name-entry label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 8px;
}

.name-entry input {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255,255,255,0.07);
  border: 1.5px solid rgba(255,255,255,0.18);
  border-radius: 10px;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}
.name-entry input:focus {
  border-color: #f5c518;
  background: rgba(255,255,255,0.1);
}
.name-entry input::placeholder { color: rgba(255,255,255,0.2); }

/* ── Buttons ─────────────────────────────────────── */
.btn-primary {
  display: block;
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, #f5c518 0%, #c99300 100%);
  border: none;
  border-radius: 12px;
  color: #0f1c2e;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 1.5px;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 4px 14px rgba(245,197,24,0.45);
  transition: transform 0.1s, box-shadow 0.15s;
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(245,197,24,0.55);
}
.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 2px 6px rgba(245,197,24,0.3);
}

/* ── Leaderboard ─────────────────────────────────── */
.lb-scroll {
  max-height: 280px;
  overflow-y: auto;
  margin-bottom: 18px;
  scrollbar-width: thin;
  scrollbar-color: rgba(245,197,24,0.3) transparent;
}
.lb-scroll::-webkit-scrollbar { width: 4px; }
.lb-scroll::-webkit-scrollbar-thumb { background: rgba(245,197,24,0.3); border-radius: 2px; }

.lb-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.lb-table th {
  padding: 7px 5px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.35);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  text-transform: uppercase;
  position: sticky;
  top: 0;
  background: #0b1520;
}
.lb-table th.left { text-align: left; }
.lb-table td {
  padding: 8px 5px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.8);
}
.lb-table tr:last-child td { border-bottom: none; }
.lb-table .td-rank  { font-weight: 800; width: 28px; }
.lb-table .td-name  { text-align: left; max-width: 110px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-table .td-score { font-weight: 800; color: #fff; }
.lb-table .td-date  { color: rgba(255,255,255,0.3); font-size: 10px; }

.lb-table tr.rank-gold   td { color: #FFD700; }
.lb-table tr.rank-silver td { color: #C8C8C8; }
.lb-table tr.rank-bronze td { color: #CD7F32; }
.lb-table tr.new-entry   td {
  color: #f5c518;
  animation: newEntryPulse 0.9s ease infinite alternate;
}
@keyframes newEntryPulse {
  from { opacity: 0.65; }
  to   { opacity: 1; }
}