:root {
  --color-bg: #F4E4C8;
  --color-bg-deeper: #EBD5B0;
  --color-frame: #6B3818;
  --color-frame-dark: #4A2410;
  --color-base: #3B1F0C;
  --color-base-mid: #5C2F12;
  --color-base-highlight: #7D4520;
  --color-peg: #6B3818;
  --color-peg-mid: #8B4D24;
  --color-peg-cap: #2A1608;
  --color-peg-glow: #FFD27A;
  --color-text: #2A1608;
  --color-text-muted: #6B3818;
  --color-text-subtle: #8B6244;
  --color-accent: #8B4D24;
  --color-card-bg: rgba(107, 56, 24, 0.08);
  --color-card-border: rgba(107, 56, 24, 0.18);
  --color-btn-bg: rgba(255, 248, 230, 0.55);
  --color-btn-bg-hover: rgba(255, 210, 122, 0.45);
  --color-btn-bg-active: rgba(255, 210, 122, 0.7);
  --color-btn-border: rgba(107, 56, 24, 0.4);
  --color-btn-disabled-text: rgba(107, 56, 24, 0.3);
  --color-disk-1: #F4C97A;
  --color-disk-2: #E9A640;
  --color-disk-3: #C97F1F;
  --color-disk-4: #A56118;
  --color-disk-5: #834712;
  --color-disk-6: #62330D;
  --color-disk-7: #432109;
  --color-disk-grain: rgba(255, 245, 220, 0.22);
  --color-disk-shadow: rgba(0, 0, 0, 0.18);
  --color-disk-highlight: rgba(255, 250, 230, 0.18);
  --color-modal-overlay: rgba(42, 22, 8, 0.55);
  --color-modal-bg: #FAEEDA;
  --color-sparkle: #FFD27A;
  --color-success: #4A6B1F;
  --color-bg-overlay-top: rgba(255, 220, 160, 0.5);
  --color-bg-overlay-bottom: rgba(107, 56, 24, 0.18);
  --noise-r: 0.10;
  --noise-g: 0.08;
  --noise-b: 0.05;

  --font-title: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-num: 'IBM Plex Mono', 'Courier New', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  width: 100%;
  min-height: 100%;
  min-height: 100dvh;
  font-family: var(--font-body);
  color: var(--color-text);
  background:
    radial-gradient(ellipse at top, var(--color-bg-overlay-top), transparent 60%),
    radial-gradient(ellipse at bottom, var(--color-bg-overlay-bottom), transparent 60%),
    var(--color-bg);
  background-attachment: fixed;
  overflow-x: hidden;
  overscroll-behavior: none;
  touch-action: manipulation;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.18 0 0 0 0 0.12 0 0 0 0 0.06 0 0 0 0.06 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  mix-blend-mode: multiply;
}

.app {
  position: relative;
  z-index: 1;
  max-width: 1024px;
  margin: 0 auto;
  min-height: 100dvh;
  padding: max(env(safe-area-inset-top), 0.75rem) 1rem max(env(safe-area-inset-bottom), 1rem);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.title-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.25rem 0.25rem 0.5rem;
}

.title {
  font-family: var(--font-title);
  font-weight: 500;
  font-style: italic;
  font-size: 26px;
  letter-spacing: -0.01em;
  color: var(--color-text);
  line-height: 1;
}

.title small {
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  font-style: normal;
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
  margin-top: 4px;
}

.icon-btn {
  background: var(--color-btn-bg);
  border: 1px solid var(--color-btn-border);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background 150ms ease, transform 100ms ease;
}

.icon-btn:hover {
  background: var(--color-btn-bg-hover);
}

.icon-btn:active {
  transform: scale(0.94);
  background: var(--color-btn-bg-active);
}

.icon-btn svg {
  width: 20px;
  height: 20px;
}

.hud {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.stat {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 14px;
  padding: 10px 8px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.stat-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
  margin-bottom: 4px;
}

.stat-value {
  font-family: var(--font-num);
  font-weight: 500;
  font-size: 20px;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.stat.flash {
  animation: stat-flash 600ms ease;
}

@keyframes stat-flash {
  0% {
    background: var(--color-card-bg);
  }

  40% {
    background: rgba(255, 210, 122, 0.7);
  }

  100% {
    background: var(--color-card-bg);
  }
}

.board {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  padding: 0.25rem 0;
  position: relative;
}

#board-svg {
  width: 100%;
  height: 100%;
  max-height: 70vh;
  display: block;
  user-select: none;
}

.disk-group {
  transition: transform 280ms cubic-bezier(0.34, 1.2, 0.64, 1);
  pointer-events: none;
}

.disk-group.dragging {
  transition: transform 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

.peg-zone {
  cursor: pointer;
  fill: transparent;
}

.peg-select-ring {
  opacity: 0;
  transition: opacity 200ms ease;
  pointer-events: none;
}

.peg-select-ring.active {
  opacity: 1;
  animation: peg-pulse 1.6s ease-in-out infinite;
}

@keyframes peg-pulse {

  0%,
  100% {
    opacity: 0.55;
  }

  50% {
    opacity: 1;
  }
}

.peg-shake {
  animation: peg-shake 380ms cubic-bezier(0.36, 0.07, 0.19, 0.97);
}

@keyframes peg-shake {

  10%,
  90% {
    transform: translateX(-1.5px);
  }

  20%,
  80% {
    transform: translateX(2.5px);
  }

  30%,
  50%,
  70% {
    transform: translateX(-4px);
  }

  40%,
  60% {
    transform: translateX(4px);
  }
}

.actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.action-btn {
  background: var(--color-btn-bg);
  border: 1px solid var(--color-btn-border);
  border-radius: 14px;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background 150ms ease, transform 100ms ease;
  min-height: 60px;
}

.action-btn:hover:not(:disabled) {
  background: var(--color-btn-bg-hover);
}

.action-btn:active:not(:disabled) {
  transform: scale(0.96);
  background: var(--color-btn-bg-active);
}

.action-btn:disabled {
  color: var(--color-btn-disabled-text);
  cursor: not-allowed;
  border-color: rgba(107, 56, 24, 0.15);
}

.action-btn svg {
  width: 22px;
  height: 22px;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-modal-overlay);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms ease;
}

.modal-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--color-modal-bg);
  border-radius: 20px;
  padding: 1.5rem 1.25rem;
  width: 100%;
  max-width: 360px;
  box-shadow: 0 24px 64px -16px rgba(42, 22, 8, 0.55), 0 0 0 1px rgba(107, 56, 24, 0.15);
  transform: translateY(12px) scale(0.96);
  transition: transform 280ms cubic-bezier(0.34, 1.2, 0.64, 1);
  position: relative;
}

.modal-overlay.show .modal {
  transform: translateY(0) scale(1);
}

.modal-title {
  font-family: var(--font-title);
  font-weight: 500;
  font-style: italic;
  font-size: 24px;
  text-align: center;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.modal-subtitle {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
  text-align: center;
  margin-bottom: 1.25rem;
}

.theme-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.theme-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--color-card-border);
  background: var(--color-btn-bg);
  cursor: pointer;
  transition: background 150ms ease;
  font-family: var(--font-body);
  text-align: left;
  width: 100%;
}

.theme-row:not(:disabled):hover {
  background: var(--color-btn-bg-hover);
}

.theme-row.active {
  border-color: var(--color-accent);
  background: rgba(255, 210, 122, 0.35);
}

.theme-row:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.theme-swatch {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.theme-swatch span {
  width: 8px;
  height: 30px;
  border-radius: 2px;
}

.theme-info {
  flex: 1;
}

.theme-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
}

.theme-status {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
  margin-top: 2px;
}

.win-stat-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 10px 14px;
  background: var(--color-card-bg);
  border-radius: 10px;
  margin-bottom: 6px;
  align-items: center;
}

.win-stat-label {
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
}

.win-stat-value {
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.win-rating {
  text-align: center;
  font-family: var(--font-title);
  font-style: italic;
  font-size: 18px;
  margin: 0.75rem 0 1rem;
  color: var(--color-accent);
}

.win-rating.perfect {
  color: var(--color-success);
  font-weight: 700;
}

.win-rating.new-best {
  background: linear-gradient(90deg, transparent, rgba(255, 210, 122, 0.5), transparent);
  padding: 6px 0;
  border-radius: 8px;
}

.modal-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 1rem;
}

.modal-actions.single {
  grid-template-columns: 1fr;
}

.modal-btn {
  background: var(--color-btn-bg);
  border: 1px solid var(--color-btn-border);
  border-radius: 12px;
  padding: 12px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background 150ms ease, transform 100ms ease;
}

.modal-btn:hover {
  background: var(--color-btn-bg-hover);
}

.modal-btn:active {
  transform: scale(0.96);
}

.modal-btn.primary {
  background: var(--color-accent);
  color: #FFF6E0;
  border-color: var(--color-accent);
}

.modal-btn.primary:hover {
  background: var(--color-frame);
  border-color: var(--color-frame);
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: transparent;
  border: none;
  color: var(--color-text-subtle);
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: var(--color-card-bg);
}

.modal-close svg {
  width: 16px;
  height: 16px;
}

.sparkle {
  position: absolute;
  pointer-events: none;
  width: 8px;
  height: 8px;
  background: var(--color-sparkle);
  border-radius: 50%;
  opacity: 0;
  z-index: 50;
}

.sparkle.go {
  animation: sparkle-pop 1.2s ease-out forwards;
}

@keyframes sparkle-pop {
  0% {
    opacity: 0;
    transform: scale(0) translate(0, 0);
  }

  20% {
    opacity: 1;
    transform: scale(1) translate(0, 0);
  }

  100% {
    opacity: 0;
    transform: scale(0.4) translate(var(--dx), var(--dy));
  }
}

.toast {
  position: fixed;
  bottom: max(env(safe-area-inset-bottom), 1.5rem);
  left: 50%;
  transform: translateX(-50%) translateY(40px);
  background: var(--color-frame-dark);
  color: #FFF6E0;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  opacity: 0;
  transition: opacity 200ms ease, transform 280ms cubic-bezier(0.34, 1.2, 0.64, 1);
  z-index: 200;
  pointer-events: none;
  white-space: nowrap;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.speed-control {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 1rem 0 1.25rem;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
}

.speed-control input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--color-card-border);
  border-radius: 2px;
  outline: none;
}

.speed-control input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--color-accent);
  border-radius: 50%;
  cursor: pointer;
}

.speed-control input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--color-accent);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

@media (min-height: 800px) {
  .title {
    font-size: 30px;
  }

  #board-svg {
    max-height: 74vh;
  }
}

@media (max-height: 640px) {
  .title {
    font-size: 22px;
  }

  .title small {
    font-size: 9.5px;
  }

  .stat {
    padding: 7px 6px;
  }

  .stat-value {
    font-size: 17px;
  }

  .action-btn {
    min-height: 52px;
    padding: 8px 6px;
  }

  .app {
    gap: 0.5rem;
  }
}