/* Grid widget */
.widget-grid {
  position: relative;
  --ambient-hue: 22;
  --charge: 0;
}

.widget-grid::before {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: calc(var(--widget-radius) + 4px);
  background: radial-gradient(
    ellipse at 50% 60%,
    hsl(var(--ambient-hue) 70% 50% / 0.12) 0%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
  transition: background 0.4s var(--ease-out);
}

.widget-grid .widget-header,
.widget-grid .grid-stage {
  position: relative;
  z-index: 1;
}

.widget-grid.tier-flash::before {
  background: radial-gradient(
    ellipse at 50% 50%,
    hsl(var(--ambient-hue) 90% 60% / 0.35) 0%,
    transparent 70%
  );
}

.widget-grid.bloom-flash::before {
  background: radial-gradient(
    ellipse at 50% 50%,
    hsl(var(--ambient-hue) 100% 70% / 0.5) 0%,
    transparent 65%
  );
}

.widget-grid.shake-light {
  animation: widget-shake-light 0.35s var(--ease-out);
}

.widget-grid.shake-medium {
  animation: widget-shake-medium 0.4s var(--ease-out);
}

.widget-grid.shake-heavy {
  animation: widget-shake-heavy 0.45s var(--ease-out);
}

.widget-header {
  margin-bottom: var(--gap-sm);
}

.widget-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-sm);
}

.widget-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-xs);
  margin-top: var(--gap-xs);
  flex-wrap: wrap;
}

.widget-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--charcoal-light);
  opacity: 0.7;
  flex-shrink: 0;
}

.progress-wrap {
  display: flex;
  align-items: center;
  gap: var(--gap-xs);
  flex: 1;
  min-width: 0;
}

.tier-badge {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: hsl(var(--ambient-hue) 80% 38%);
  white-space: nowrap;
  padding: 0.15rem 0.4rem;
  background: hsl(var(--ambient-hue) 40% 90% / 0.5);
  border-radius: 2px;
}

.charge-bar {
  position: relative;
  flex: 1;
  min-width: 60px;
  max-width: 120px;
  height: 6px;
  background: var(--charcoal);
  border-radius: 3px;
  overflow: hidden;
  box-shadow: var(--shadow-inset);
}

.charge-bar-fill {
  height: 100%;
  width: 0%;
  border-radius: 3px;
  background: linear-gradient(
    90deg,
    hsl(var(--ambient-hue) 70% 45%),
    hsl(var(--ambient-hue) 90% 58%)
  );
  transition: width 80ms linear;
  box-shadow: 0 0 6px hsl(var(--ambient-hue) 80% 50% / calc(var(--charge) * 0.6));
}

.charge-bar.is-full .charge-bar-fill {
  background: linear-gradient(
    90deg,
    hsl(var(--ambient-hue) 85% 50%),
    hsl(calc(var(--ambient-hue) + 40) 95% 65%)
  );
  animation: charge-pulse 0.8s ease-in-out infinite;
}

.charge-bar.is-full .charge-label {
  opacity: 1;
  font-size: 0.32rem;
  letter-spacing: 0.04em;
}

.charge-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.4rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--bone);
  opacity: 0;
  pointer-events: none;
  text-shadow: 0 0 4px rgba(0, 0, 0, 0.8);
  transition: opacity var(--duration-fast);
}

.battles-count,
.depth-count {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.06em;
  color: var(--charcoal);
  white-space: nowrap;
}

.progress-bar {
  flex: 1;
  height: 4px;
  min-width: 40px;
  background: var(--charcoal);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: var(--shadow-inset);
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  border-radius: 2px;
  background: hsl(var(--progress-hue, 22) 85% 52%);
  transition:
    width var(--duration-normal) var(--ease-out),
    background var(--duration-fast);
}

.progress-live {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.06em;
  color: var(--charcoal-light);
  opacity: 0.6;
  flex: 1;
  text-align: right;
}

.grid-stage {
  height: min(66vh, 520px);
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
  border-radius: 4px;
  background: hsl(22 10% 12% / 0.15);
}

.grid-content {
  position: relative;
  width: 100%;
}

.grid-rows {
  position: relative;
  width: 100%;
  z-index: 1;
}

.grid-fx {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  overflow: visible;
}

.grid-row {
  position: absolute;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 5px;
  width: 100%;
}

.grid-row.row-snap .grid-face {
  animation: row-cell-snap 0.35s var(--ease-spring);
}

.grid-cell {
  position: relative;
  aspect-ratio: 1;
  cursor: pointer;
  perspective: 200px;
}

.grid-face {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--charcoal);
  border-radius: 4px;
  box-shadow: var(--shadow-machined);
  transition:
    background var(--duration-fast),
    transform var(--duration-fast) var(--ease-spring),
    box-shadow var(--duration-fast),
    filter var(--duration-fast);
  position: relative;
  transform-style: preserve-3d;
}

.grid-face::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.grid-face::after {
  content: "";
  position: absolute;
  inset: 30%;
  background: var(--bone);
  border-radius: 2px;
  opacity: 0;
  transform: scale(0);
  transition:
    opacity var(--duration-fast),
    transform var(--duration-normal) var(--ease-spring);
}

/* Tier 1+ — bevel highlight */
.widget-grid[data-tier="1"] .grid-face,
.widget-grid[data-tier="2"] .grid-face,
.widget-grid[data-tier="3"] .grid-face,
.widget-grid[data-tier="4"] .grid-face,
.widget-grid[data-tier="5"] .grid-face {
  box-shadow:
    var(--shadow-machined),
    inset 0 1px 0 hsl(0 0% 100% / 0.12);
}

/* Tier 2+ — inner glow ring */
.widget-grid[data-tier="2"] .grid-face::before,
.widget-grid[data-tier="3"] .grid-face::before,
.widget-grid[data-tier="4"] .grid-face::before,
.widget-grid[data-tier="5"] .grid-face::before {
  opacity: 1;
  box-shadow: inset 0 0 0 1px hsl(var(--cell-hue, 22) 70% 60% / 0.25);
}

.widget-grid[data-tier="2"] .grid-cell.is-filled .grid-face::before,
.widget-grid[data-tier="3"] .grid-cell.is-filled .grid-face::before,
.widget-grid[data-tier="4"] .grid-cell.is-filled .grid-face::before,
.widget-grid[data-tier="5"] .grid-cell.is-filled .grid-face::before {
  box-shadow: inset 0 0 8px 1px hsl(var(--cell-hue, 22) 80% 65% / 0.35);
}

/* Tier 3+ — gem facets */
.widget-grid[data-tier="3"] .grid-cell.is-filled .grid-face,
.widget-grid[data-tier="4"] .grid-cell.is-filled .grid-face,
.widget-grid[data-tier="5"] .grid-cell.is-filled .grid-face {
  background:
    conic-gradient(
      from 45deg,
      hsl(var(--cell-hue, 22) 85% 48%),
      hsl(calc(var(--cell-hue, 22) + 20) 90% 58%),
      hsl(var(--cell-hue, 22) 80% 42%),
      hsl(calc(var(--cell-hue, 22) - 15) 85% 52%),
      hsl(var(--cell-hue, 22) 85% 48%)
    );
}

/* Tier 4+ — outer bloom halo */
.widget-grid[data-tier="4"] .grid-cell.is-filled .grid-face,
.widget-grid[data-tier="5"] .grid-cell.is-filled .grid-face {
  box-shadow:
    var(--shadow-pressed),
    0 0 10px 2px hsl(var(--cell-hue, 22) 80% 55% / 0.35);
}

/* Tier 5 — shimmer sweep on filled cells */
.widget-grid[data-tier="5"] .grid-cell.is-filled .grid-face {
  overflow: hidden;
}

.widget-grid[data-tier="5"] .grid-cell.is-filled .grid-face::before {
  opacity: 1;
  background: linear-gradient(
    105deg,
    transparent 40%,
    hsl(0 0% 100% / 0.25) 50%,
    transparent 60%
  );
  background-size: 200% 100%;
  animation: tier-shimmer 3s ease-in-out infinite;
  box-shadow: none;
}

.grid-marker {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(0.65rem, 3vw, 1rem);
  line-height: 1;
  pointer-events: none;
  z-index: 2;
  opacity: 0;
  transform: scale(0.5);
  transition:
    opacity var(--duration-normal) var(--ease-spring),
    transform var(--duration-normal) var(--ease-spring);
}

.grid-cell.is-filled .grid-face,
.grid-input:checked + .grid-face {
  background: hsl(var(--cell-hue, 22) 85% 52%);
  box-shadow: var(--shadow-pressed);
}

.grid-cell.is-filled .grid-face::after,
.grid-input:checked + .grid-face::after {
  opacity: 1;
  transform: scale(1);
}

.grid-row.is-locked .grid-face {
  filter: saturate(1.25) brightness(1.05);
  box-shadow: var(--shadow-pressed), inset 0 0 0 1px hsl(var(--cell-hue, 22) 90% 70% / 0.35);
}

.grid-cell.is-locked {
  cursor: default;
}

.grid-cell.has-milestone .grid-face::after {
  opacity: 0;
  transform: scale(0);
}

.grid-cell.has-milestone .grid-marker {
  opacity: 1;
  transform: scale(1);
}

.grid-cell:active:not(.is-locked) .grid-face {
  transform: scale(0.92);
}

.grid-cell.ticking .grid-face {
  animation: grid-flip-in 0.28s var(--ease-spring);
}

.grid-cell.bounce .grid-face {
  animation: grid-bounce 0.2s var(--ease-spring);
}

.grid-cell.clear-flash .grid-face {
  animation: row-clear-flash 0.35s var(--ease-out);
}

.grid-cell.clear-core .grid-face {
  animation: row-clear-core 0.35s var(--ease-out);
}

/* FX overlays */
.fx-shockwave {
  position: absolute;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid hsl(var(--fx-hue, 22) 90% 65% / 0.8);
  border-radius: 50%;
  animation: fx-shockwave 0.5s var(--ease-out) forwards;
}

.fx-float-label {
  position: absolute;
  transform: translate(-50%, -50%);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: hsl(var(--ambient-hue) 80% 35%);
  text-shadow: 0 1px 2px hsl(0 0% 100% / 0.5);
  animation: fx-float-up 0.9s var(--ease-out) forwards;
  white-space: nowrap;
}

.fx-float-label.is-combo {
  font-size: 0.6rem;
  color: hsl(var(--ambient-hue) 90% 42%);
}

@keyframes grid-flip-in {
  0% {
    transform: rotateX(-70deg) scale(0.85);
    filter: brightness(1.3);
  }
  60% {
    transform: rotateX(8deg) scale(1.04);
  }
  100% {
    transform: rotateX(0) scale(1);
    filter: brightness(1);
  }
}

@keyframes grid-bounce {
  0% { transform: scale(1); }
  40% { transform: scale(0.94); }
  100% { transform: scale(1); }
}

@keyframes row-clear-flash {
  0% { filter: brightness(1); transform: scale(1); }
  50% { filter: brightness(1.4); transform: scale(1.05); }
  100% { filter: brightness(1.08); transform: scale(1); }
}

@keyframes row-clear-core {
  0% { filter: brightness(1); transform: scale(1); }
  40% { filter: brightness(2); transform: scale(1.1); box-shadow: 0 0 12px hsl(var(--cell-hue, 22) 100% 70% / 0.8); }
  100% { filter: brightness(1.1); transform: scale(1); }
}

@keyframes row-cell-snap {
  0% { transform: scaleY(1); }
  30% { transform: scaleY(0.9); }
  60% { transform: scaleY(1.04); }
  100% { transform: scaleY(1); }
}

@keyframes fx-shockwave {
  0% {
    transform: scale(0.5);
    opacity: 1;
    border-width: 3px;
  }
  100% {
    transform: scale(3);
    opacity: 0;
    border-width: 1px;
  }
}

@keyframes fx-float-up {
  0% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(0.8);
  }
  30% {
    opacity: 1;
    transform: translate(-50%, -80%) scale(1.1);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -140%) scale(0.9);
  }
}

@keyframes charge-pulse {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.3); }
}

@keyframes tier-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@keyframes widget-shake-light {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-2px); }
  75% { transform: translateX(2px); }
}

@keyframes widget-shake-medium {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}

@keyframes widget-shake-heavy {
  0%, 100% { transform: translateX(0); }
  15% { transform: translateX(-6px) rotate(-0.3deg); }
  30% { transform: translateX(6px) rotate(0.3deg); }
  45% { transform: translateX(-5px); }
  60% { transform: translateX(5px); }
  75% { transform: translateX(-2px); }
}

.mode-toggle,
.share-btn {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.5rem;
  background: var(--charcoal);
  color: var(--bone);
  border-radius: 2px;
  cursor: pointer;
  transition: background var(--duration-fast);
  flex-shrink: 0;
}

.mode-toggle:hover,
.share-btn:hover {
  background: var(--charcoal-light);
}

.share-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

.loot-strip {
  font-size: 0.85rem;
  line-height: 1;
  letter-spacing: 0.08em;
  flex-shrink: 0;
}

/* Celebration toast */
.celebration-toast {
  position: absolute;
  top: var(--gap-md);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  padding: 0.45rem 0.85rem;
  background: hsl(22 30% 12% / 0.88);
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  z-index: 10;
  transition:
    opacity 0.3s var(--ease-out),
    transform 0.3s var(--ease-out);
}

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

.celebration-toast.is-tier-up {
  background: hsl(var(--ambient-hue) 40% 18% / 0.92);
  border: 1px solid hsl(var(--ambient-hue) 70% 50% / 0.4);
  padding: 0.55rem 1rem;
}

.toast-emoji {
  font-size: 1.1rem;
  line-height: 1;
}

.celebration-toast.is-tier-up .toast-emoji {
  font-size: 1.3rem;
}

.toast-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--bone);
  text-transform: uppercase;
  white-space: nowrap;
}

@media (max-width: 480px) {
  .progress-wrap {
    flex-wrap: wrap;
  }

  .battles-count,
  .depth-count {
    font-size: 0.5rem;
  }

  .widget-meta {
    gap: 0.2rem;
  }

  .charge-bar {
    min-width: 48px;
  }
}