.l98-page {
  --l98-bg: #06090d;
  --l98-panel: #121923;
  --l98-line: #252d38;
  --l98-text: #f4f7fb;
  --l98-muted: #96a1b1;
  --l98-accent: #b7ff24;
  --l98-accent-border: rgba(183, 255, 36, 0.22);
  --l98-accent-soft: rgba(183, 255, 36, 0.16);
  --l98-accent-hover: rgba(183, 255, 36, 0.55);
  --l98-accent-glow: rgba(183, 255, 36, 0.44);
  --l98-cell-bg: rgba(10, 15, 24, 0.88);
  --l98-board-inner-bg: rgba(3, 6, 9, 0.88);
  --l98-cell-border: rgba(255, 255, 255, 0.06);
  --l98-ball-highlight: rgba(255, 255, 255, 0.35);
  --l98-ball-shadow: rgba(0, 0, 0, 0.35);

  position: relative;
  z-index: 1;
  width: min(1540px, 100%);
  margin: 0 auto;
  padding: clamp(16px, 3vw, 32px) clamp(16px, 4vw, 52px) clamp(24px, 4vw, 52px);
}

.l98-page[data-l98-accent="blue"] {
  --l98-accent: #5c8dff;
  --l98-accent-border: rgba(92, 141, 255, 0.32);
  --l98-accent-soft: rgba(92, 141, 255, 0.16);
  --l98-accent-hover: rgba(92, 141, 255, 0.62);
  --l98-accent-glow: rgba(92, 141, 255, 0.44);
}

.l98-page[data-l98-accent="orange"] {
  --l98-accent: #ff9f1a;
  --l98-accent-border: rgba(255, 159, 26, 0.32);
  --l98-accent-soft: rgba(255, 159, 26, 0.16);
  --l98-accent-hover: rgba(255, 159, 26, 0.62);
  --l98-accent-glow: rgba(255, 159, 26, 0.44);
}

.l98-page[data-l98-accent="purple"] {
  --l98-accent: #c77dff;
  --l98-accent-border: rgba(199, 125, 255, 0.32);
  --l98-accent-soft: rgba(199, 125, 255, 0.16);
  --l98-accent-hover: rgba(199, 125, 255, 0.62);
  --l98-accent-glow: rgba(199, 125, 255, 0.44);
}

.l98-page[data-l98-accent="pink"] {
  --l98-accent: #ff4d9d;
  --l98-accent-border: rgba(255, 77, 157, 0.32);
  --l98-accent-soft: rgba(255, 77, 157, 0.16);
  --l98-accent-hover: rgba(255, 77, 157, 0.62);
  --l98-accent-glow: rgba(199, 125, 255, 0.44);
}

.l98-board-shell[data-l98-bg="light"],
.l98-page[data-l98-bg="light"] .l98-board-shell {
  --l98-cell-bg: rgba(238, 242, 248, 0.96);
  --l98-board-inner-bg: rgba(228, 233, 242, 0.96);
  --l98-cell-border: rgba(15, 23, 42, 0.08);
  --l98-ball-highlight: rgba(255, 255, 255, 0.65);
  --l98-ball-shadow: rgba(15, 23, 42, 0.18);
}

.l98-board-shell[data-l98-bg="classic"],
.l98-page[data-l98-bg="classic"] .l98-board-shell {
  --l98-cell-bg: rgba(24, 24, 32, 0.92);
  --l98-board-inner-bg: rgba(16, 16, 24, 0.94);
  --l98-cell-border: rgba(255, 255, 255, 0.05);
}

.l98-main {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(320px, 560px) minmax(220px, 300px);
  justify-content: center;
  align-items: start;
  gap: clamp(16px, 2.5vw, 28px);
}

.l98-panel {
  background: linear-gradient(180deg, rgba(18, 25, 35, 0.96), rgba(10, 14, 20, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 18px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

.l98-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--l98-muted);
  margin-bottom: 12px;
}

.l98-preview {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 10px;
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.22);
  border: 1px dashed var(--l98-accent-border);
}

.l98-cell--filled {
  --l98-ball: #b7ff24;
}

.l98-preview-ball,
.l98-cell--filled::after {
  width: clamp(28px, 4.2vw, 38px);
  height: clamp(28px, 4.2vw, 38px);
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, var(--l98-ball-highlight), transparent 42%),
    radial-gradient(circle at 50% 62%, rgba(0, 0, 0, 0.18), transparent 58%),
    var(--l98-ball);
  box-shadow: inset 0 -3px 8px var(--l98-ball-shadow), 0 4px 10px rgba(0, 0, 0, 0.28);
}

.l98-preview-ball {
  width: 34px;
  height: 34px;
}

.l98-board-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.l98-board-shell {
  width: min(100%, 560px);
  aspect-ratio: 1;
  padding: 10px;
  border-radius: 22px;
  background: var(--l98-board-inner-bg);
  border: 2px solid var(--l98-accent-border);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04), 0 24px 50px rgba(0, 0, 0, 0.35);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.l98-board-shell--blocked {
  animation: l98-shake 0.32s ease;
  border-color: rgba(255, 95, 131, 0.55);
}

.l98-board-shell--lost {
  border-color: rgba(255, 95, 131, 0.45);
  box-shadow: 0 0 0 1px rgba(255, 95, 131, 0.12), 0 24px 50px rgba(0, 0, 0, 0.35);
}

@keyframes l98-shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-4px);
  }
  75% {
    transform: translateX(4px);
  }
}

.l98-board {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  grid-template-rows: repeat(9, 1fr);
  gap: 3px;
  width: 100%;
  height: 100%;
}

.l98-cell {
  position: relative;
  appearance: none;
  border: 1px solid var(--l98-cell-border);
  border-radius: 8px;
  background: var(--l98-cell-bg);
  cursor: pointer;
  padding: 0;
  transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.l98-cell:hover {
  background: color-mix(in srgb, var(--l98-cell-bg) 88%, var(--l98-accent) 12%);
}

.l98-cell--path {
  box-shadow: inset 0 0 0 2px var(--l98-accent-hover);
  background: color-mix(in srgb, var(--l98-cell-bg) 75%, var(--l98-accent) 25%);
}

.l98-cell--target {
  box-shadow: inset 0 0 0 2px var(--l98-accent), 0 0 18px var(--l98-accent-glow);
  background: color-mix(in srgb, var(--l98-cell-bg) 60%, var(--l98-accent) 40%);
}

.l98-cell--selected {
  box-shadow: inset 0 0 0 2px var(--l98-accent), 0 0 16px var(--l98-accent-glow);
  z-index: 2;
}

.l98-cell--filled::after {
  content: "";
  position: absolute;
  inset: 12%;
  width: auto;
  height: auto;
}

.l98-cell--clear::after {
  animation: l98-pop 0.28s ease forwards;
}

@keyframes l98-pop {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.35);
    opacity: 0;
  }
}

.l98-board-shell[data-l98-style="flat"] .l98-cell--filled::after,
.l98-page[data-l98-style="flat"] .l98-preview-ball {
  background: var(--l98-ball);
  box-shadow: none;
}

.l98-board-shell[data-l98-style="outline"] .l98-cell--filled::after,
.l98-page[data-l98-style="outline"] .l98-preview-ball {
  background: transparent;
  border: 3px solid var(--l98-ball);
  box-shadow: none;
}

.l98-status {
  min-height: 1.4em;
  text-align: center;
  color: var(--l98-muted);
  font-size: 0.95rem;
}

.l98-stats {
  display: grid;
  gap: 10px;
}

.l98-stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--l98-muted);
  font-size: 0.92rem;
}

.l98-stat-row strong {
  color: var(--l98-text);
  font-size: 1.05rem;
}

.l98-score-table {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.l98-score-table__title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--l98-muted);
  margin-bottom: 8px;
}

.l98-score-table__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 10px;
  font-size: 0.82rem;
  color: var(--l98-muted);
}

.l98-score-table__grid span:nth-child(even) {
  text-align: right;
  color: var(--l98-text);
  font-weight: 600;
}

.l98-controls {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.tool-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.tool-btn:hover {
  border-color: rgba(184, 255, 46, 0.35);
}

.tool-btn__icon {
  font-size: 1.1rem;
  line-height: 1;
}

#lines-98-settings-modal .board-settings__preview--palette-retro span:nth-child(1) {
  background: #ff0000;
}
#lines-98-settings-modal .board-settings__preview--palette-retro span:nth-child(2) {
  background: #0000ff;
}
#lines-98-settings-modal .board-settings__preview--palette-retro span:nth-child(3) {
  background: #00ff00;
}
#lines-98-settings-modal .board-settings__preview--palette-retro span:nth-child(4) {
  background: #ffff00;
}

@media (max-width: 980px) {
  .l98-page {
    padding-inline: 16px;
  }

  .l98-main {
    grid-template-columns: 1fr;
    max-width: min(560px, 100%);
    margin: 0 auto;
  }

  .l98-board-zone {
    order: 0;
  }

  .l98-main > .l98-panel:first-child {
    order: 1;
  }

  .l98-main > .l98-sidebar-stack,
  .l98-main > .l98-panel:last-child {
    order: 2;
  }

  .l98-sidebar-stack {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (max-width: 640px) {
  .l98-sidebar-stack {
    grid-template-columns: 1fr;
  }

  .l98-board-shell {
    width: min(100%, calc(100vw - 32px));
  }

  .l98-status {
    font-size: 0.88rem;
    padding-inline: 8px;
  }
}