:root {
  --c-paper: #fbfbfe;
  --c-ink: #151a2d;
  --c-muted: #6f7488;
  --c-line: #e9eaf1;
  --c-blue: #4c63ff;
  --c-violet: #7658ff;
  --c-dark: #0b1020;
  --c-grid: #ececf1;
  --c-empty: #f0f0f3;
}

.g2048-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.g-shell {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  flex: 1 0 auto;
}

.g-top {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  padding: 28px 0 18px;
  flex-wrap: wrap;
}

.g-top h1 {
  font: 700 clamp(30px, 4.2vw, 46px)/1.05 "Space Grotesk", sans-serif;
  letter-spacing: -0.05em;
  margin: 6px 0 8px;
}

.g-top h1 span {
  color: var(--c-blue);
  font-weight: 600;
}

.g-sub {
  color: var(--c-muted);
  font-size: 14px;
  margin: 0;
  max-width: 520px;
}

.g-score-row {
  display: flex;
  gap: 10px;
}

.g-score {
  min-width: 96px;
  padding: 10px 14px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--c-line);
  text-align: center;
}

.g-score span {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.g-score b {
  font: 700 20px "Space Grotesk", sans-serif;
  color: var(--c-ink);
}

.g-best {
  background: linear-gradient(135deg, #e9edff, #f0eaff);
  border-color: #d9deff;
}

.g-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 22px;
  align-items: start;
}

.g-board-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.g-board-box {
  position: relative;
  background: var(--c-grid);
  border: 1px solid var(--c-line);
  border-radius: 16px;
  padding: 10px;
  box-shadow: 0 18px 50px rgba(31, 40, 91, 0.08);
}

#gameCanvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  touch-action: none;
  cursor: pointer;
}

.g-overlay {
  position: absolute;
  inset: 10px;
  border-radius: 10px;
  background: rgba(251, 251, 254, 0.88);
  backdrop-filter: blur(6px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
}

.g-overlay b {
  font: 700 22px "Space Grotesk", sans-serif;
}

.g-overlay p {
  color: var(--c-muted);
  font-size: 13px;
  margin: 0;
}

.g-hint {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font: 700 40px sans-serif;
  color: var(--c-blue);
  text-shadow: 0 6px 18px rgba(76, 99, 255, 0.35);
  pointer-events: none;
}

.g-help {
  color: #9aa0b4;
  font-size: 11px;
  margin: 0;
}

.g-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.g-actions .button {
  padding: 10px 14px;
  font-size: 13px;
}

.g-actions .button[aria-pressed="true"] {
  background: var(--c-dark);
  color: #fff;
  border-color: var(--c-dark);
}

.g-panel {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 14px;
  padding: 16px;
  box-shadow: 0 10px 30px rgba(31, 40, 91, 0.05);
}

.g-panel h3 {
  font: 700 14px "Space Grotesk", sans-serif;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}

.g-panel h3 small {
  font-weight: 500;
  color: var(--c-muted);
  margin-left: 6px;
}

.g-panel-inline {
  display: none;
}

.g-stats {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--c-muted);
}

.g-stats b {
  color: var(--c-ink);
  margin-left: 4px;
}

.g-hint-line {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--c-muted);
}

.g-hint-line b {
  color: var(--c-blue);
}

.g-info {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-top: 1px solid var(--c-line);
  font-size: 12px;
}

.g-info:first-of-type {
  border-top: none;
}

.g-info span {
  color: var(--c-muted);
}

.g-info b {
  color: var(--c-ink);
}

.g-muted {
  color: var(--c-muted);
  font-size: 12px;
  margin: 0 0 8px;
}

.g-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.g-history {
  list-style: none;
  padding: 0;
  margin: 0;
}

.g-empty {
  color: #a0a6b9;
  font-size: 12px;
  padding: 6px 0;
}

.g-history li + li {
  margin-top: 6px;
}

.g-hitem {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  padding: 8px 10px;
  border-radius: 10px;
  background: #f6f7fb;
  border: 1px solid var(--c-line);
}

.g-small {
  margin-top: 10px;
  width: 100%;
  padding: 8px;
  font-size: 12px;
}

.g-tabs {
  display: none;
  margin-top: 14px;
  gap: 8px;
}

.g-tab {
  flex: 1;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--c-line);
  background: #fff;
  font-weight: 700;
  font-size: 12px;
}

.g-tab.is-active {
  background: var(--c-ink);
  color: #fff;
  border-color: var(--c-ink);
}

@media (max-width: 860px) {
  .g-layout {
    grid-template-columns: 1fr;
  }

  .g-side {
    display: none;
  }

  .g-panel-inline {
    display: block;
  }

  .g-tabs {
    display: flex;
  }

  .g2048-page .site-header .nav-links {
    display: none;
  }
}
.g-overlay[hidden]{display:none !important}
.g-hint[hidden]{display:none !important}
#hintLine[hidden]{display:none !important}