/* ── Full-screen pages: loading, menu, level select ── */

.screen {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  font-family: inherit;
}

.screen.screen-active {
  display: flex;
}

.screen-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 600px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  max-height: 100%;
}

/* ── Loading ── */
#screen-loading .screen-content {
  justify-content: center;
  gap: 28px;
}

.loading-logo {
  line-height: 1;
  filter: drop-shadow(3px 4px 0 rgba(0, 0, 0, 0.15));
}

.momo-mascot {
  position: relative;
  width: 96px;
  height: 96px;
  animation: momoBob 1.5s ease-in-out infinite;
  will-change: transform;
}

.momo-body {
  position: absolute;
  inset: 14px 10px 10px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 26%, #ffede0 0%, #ffb899 38%, #ff9878 62%, #e86e52 100%);
  border: 3px solid #2d3436;
  box-shadow: inset 0 -10px 0 rgba(190, 70, 50, 0.22);
  z-index: 1;
}

.momo-shine {
  position: absolute;
  left: 22%;
  top: 18%;
  width: 28%;
  height: 16%;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.38);
  transform: rotate(-28deg);
  pointer-events: none;
}

.momo-tuft {
  position: absolute;
  left: 50%;
  top: -6px;
  width: 18px;
  height: 18px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: #ffede0;
  border: 2.5px solid #2d3436;
  z-index: 3;
}

.momo-tuft::after {
  content: '';
  position: absolute;
  left: 50%;
  top: -5px;
  transform: translateX(-50%);
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 7px solid #ffd700;
}

.momo-foot {
  position: absolute;
  bottom: 4px;
  width: 22px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(180deg, #ffb899, #e86e52);
  border: 2.5px solid #2d3436;
  z-index: 0;
}

.momo-foot-l { left: 22%; }
.momo-foot-r { right: 22%; }

.momo-belly {
  position: absolute;
  left: 50%;
  top: 54%;
  width: 50%;
  height: 36%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: #fffbf7;
}

.momo-nose {
  position: absolute;
  left: 50%;
  top: 46%;
  width: 8px;
  height: 6px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: #e89078;
  z-index: 2;
}

.momo-ear {
  position: absolute;
  top: 6px;
  width: 20px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(180deg, #ffb899, #e86e52);
  border: 2.5px solid #2d3436;
  z-index: 0;
}

.momo-ear-l {
  left: 10px;
  transform: rotate(-20deg);
  animation: momoEarL 2.2s ease-in-out infinite;
}

.momo-ear-r {
  right: 10px;
  transform: rotate(20deg);
  animation: momoEarR 2.2s ease-in-out infinite;
}

.momo-eye {
  position: absolute;
  top: 31%;
  width: 23px;
  height: 23px;
  border-radius: 50%;
  background: #fff;
  border: 2.5px solid #2d3436;
  z-index: 2;
  transform-origin: center center;
  animation: momoBlink 4.8s infinite;
}

.momo-eye-l { left: 21%; }
.momo-eye-r { right: 21%; }

.momo-pupil {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 12px;
  transform: translate(-38%, -32%);
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #a888d8 0%, #6b4fa8 55%, #3d2868 100%);
}

.momo-pupil::after {
  content: '';
  position: absolute;
  left: 2px;
  top: 1px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #fff;
}

.momo-cheek {
  position: absolute;
  top: 50%;
  width: 11px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 110, 130, 0.4);
  z-index: 1;
}

.momo-cheek-l { left: 13%; }
.momo-cheek-r { right: 13%; }

.momo-mouth {
  position: absolute;
  left: 50%;
  bottom: 24%;
  width: 20px;
  height: 10px;
  transform: translateX(-50%);
  border-bottom: 2.5px solid #2d3436;
  border-radius: 0 0 18px 18px;
  z-index: 2;
  animation: momoSmile 1.5s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .momo-mascot,
  .momo-ear-l,
  .momo-ear-r,
  .momo-eye,
  .momo-mouth,
  .ui-star,
  .menu-icon-star,
  .menu-icon-candy,
  .menu-icon-bubble,
  .loading-decor .ui-sticker {
    animation: none !important;
  }
}

@keyframes momoBob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes momoEarL {
  0%, 100% { transform: rotate(-18deg); }
  50% { transform: rotate(-28deg); }
}

@keyframes momoEarR {
  0%, 100% { transform: rotate(18deg); }
  50% { transform: rotate(28deg); }
}

@keyframes momoBlink {
  0%, 46%, 48%, 100% { transform: scaleY(1); }
  47% { transform: scaleY(0.12); }
}

@keyframes momoSmile {
  0%, 100% { width: 22px; }
  50% { width: 26px; }
}

/* ── UI stickers: candy, star, bubble (menu + loading) ── */
.ui-sticker {
  display: inline-block;
  position: relative;
  flex-shrink: 0;
  vertical-align: middle;
  filter: drop-shadow(2px 3px 0 rgba(45, 52, 54, 0.18));
}

.ui-candy {
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 28%, #ffe082 0%, #ff7043 38%, #f4511e 68%, #bf360c 100%);
  border: 3px solid #2d3436;
  box-shadow:
    inset -3px -5px 10px rgba(120, 30, 10, 0.22),
    inset 2px 2px 6px rgba(255, 255, 255, 0.25);
}

.ui-candy::before {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: conic-gradient(
    from 30deg,
    rgba(255, 255, 255, 0.55) 0deg 55deg,
    transparent 55deg 95deg,
    rgba(255, 224, 102, 0.88) 95deg 145deg,
    transparent 145deg 185deg,
    rgba(255, 255, 255, 0.42) 185deg 235deg,
    transparent 235deg 360deg
  );
  pointer-events: none;
}

.ui-candy::after {
  content: '';
  position: absolute;
  left: 16%;
  top: 12%;
  width: 36%;
  height: 26%;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.78);
  transform: rotate(-38deg);
  pointer-events: none;
}

.ui-candy-md {
  width: 42px;
  height: 42px;
}

.ui-candy-lg {
  width: 54px;
  height: 54px;
}

.ui-star {
  clip-path: polygon(
    50% 0%,
    61% 35%,
    98% 35%,
    68% 57%,
    79% 91%,
    50% 70%,
    21% 91%,
    32% 57%,
    2% 35%,
    39% 35%
  );
  background: linear-gradient(145deg, #fff9c4 0%, #ffd54f 42%, #ffb300 78%, #ff8f00 100%);
  filter: drop-shadow(0 0 10px rgba(255, 193, 7, 0.55)) drop-shadow(2px 3px 0 rgba(45, 52, 54, 0.18));
}

.ui-star::before {
  content: '';
  position: absolute;
  left: 28%;
  top: 22%;
  width: 22%;
  height: 22%;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.82);
  pointer-events: none;
}

.ui-star::after {
  content: '';
  position: absolute;
  inset: -4px;
  clip-path: polygon(
    50% 0%,
    61% 35%,
    98% 35%,
    68% 57%,
    79% 91%,
    50% 70%,
    21% 91%,
    32% 57%,
    2% 35%,
    39% 35%
  );
  background: transparent;
  box-shadow: 0 0 14px 2px rgba(255, 213, 79, 0.35);
  z-index: -1;
  pointer-events: none;
}

.ui-star-md {
  width: 40px;
  height: 40px;
}

.ui-star-sm {
  width: 28px;
  height: 28px;
}

.ui-bubble {
  border-radius: 50%;
  background: radial-gradient(
    circle at 32% 28%,
    rgba(255, 255, 255, 0.78) 0%,
    rgba(190, 240, 255, 0.38) 42%,
    rgba(120, 200, 255, 0.14) 100%
  );
  border: 2.5px solid rgba(70, 160, 220, 0.72);
  box-shadow:
    0 0 18px rgba(160, 220, 255, 0.35),
    inset 0 -4px 8px rgba(100, 180, 230, 0.12);
}

.ui-bubble::before {
  content: '';
  position: absolute;
  left: 14%;
  top: 12%;
  width: 34%;
  height: 24%;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  transform: rotate(-42deg);
  pointer-events: none;
}

.ui-bubble::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: rgba(255, 150, 190, 0.55);
  border-right-color: rgba(130, 255, 210, 0.45);
  border-bottom-color: rgba(180, 140, 255, 0.42);
  pointer-events: none;
}

.ui-bubble-md {
  width: 42px;
  height: 42px;
}

.ui-bubble-sm {
  width: 30px;
  height: 30px;
}

@keyframes uiStarSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes uiStarPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

@keyframes menuCandyBob {
  0%, 100% { transform: translate(-50%, -50%); }
  50% { transform: translate(-50%, calc(-50% - 10px)); }
}

.loading-title {
  font-size: 42px;
  letter-spacing: 0.5px;
  text-align: center;
}

.loading-subtitle {
  font-size: 16px;
  font-weight: 500;
  text-align: center;
  margin-top: -12px;
}

.loading-bar-wrap {
  width: min(280px, 80vw);
  margin-top: 8px;
}

.loading-bar-track {
  height: 22px;
  background: rgba(255, 255, 255, 0.5);
  border: 3px solid #2d3436;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 3px 3px 0 #2d3436;
}

.loading-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(180deg, #6bcb77 0%, #4caf50 100%);
  border-radius: 10px;
  transition: width 0.15s ease-out;
}

.loading-status {
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  margin-top: 10px;
  min-height: 20px;
}

.loading-start-btn {
  margin-top: 18px;
  padding: 16px 36px;
  font-family: 'Luckiest Guy', 'Fredoka', sans-serif;
  font-size: 22px;
  letter-spacing: 0.04em;
  color: #fff;
  background: linear-gradient(180deg, #ff9f43 0%, #ee5a24 100%);
  border: 3px solid #2d3436;
  border-radius: 18px;
  box-shadow: 4px 4px 0 #2d3436;
  cursor: pointer;
  animation: loadingStartPulse 1.2s ease-in-out infinite;
  -webkit-tap-highlight-color: transparent;
}

.loading-start-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 #2d3436;
}

.loading-start-btn[hidden] {
  display: none !important;
}

@keyframes loadingStartPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.loading-decor {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: 12px;
}

.loading-decor .ui-sticker:nth-child(1) {
  animation: loadingBounce 1.4s ease-in-out infinite;
}

.loading-decor .ui-sticker:nth-child(2) {
  animation: uiStarPulse 1.4s ease-in-out infinite 0.2s;
}

.loading-decor .ui-sticker:nth-child(3) {
  animation: loadingBounce 1.4s ease-in-out infinite 0.4s;
}

@keyframes loadingBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ── Main menu ── */
#screen-menu .screen-content {
  justify-content: center;
  gap: 0;
}

.menu-card {
  background: #fffef5;
  border: 4px solid #2d3436;
  border-radius: 32px;
  padding: 36px 32px 28px;
  text-align: center;
  width: min(360px, 92vw);
  box-shadow: 6px 6px 0 #2d3436, 0 24px 60px rgba(0, 0, 0, 0.18);
  animation: popIn 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}

.menu-card::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 36px;
  background: linear-gradient(135deg, #ff6b6b, #ffd93d, #6bcb77, #4d96ff);
  z-index: -1;
  opacity: 0.35;
}

.menu-icon {
  position: relative;
  width: 92px;
  height: 72px;
  margin: 0 auto 8px;
}

.menu-icon-candy {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  animation: menuCandyBob 2s ease-in-out infinite;
}

.menu-icon-star {
  position: absolute;
  left: 2px;
  top: 2px;
  z-index: 3;
  animation: uiStarSpin 5s linear infinite;
}

.menu-icon-bubble {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 1;
  animation: loadingBounce 2.2s ease-in-out infinite 0.35s;
}

.menu-title {
  font-size: 38px;
  margin-bottom: 6px;
}

.menu-tagline {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 28px;
  line-height: 1.5;
}

.menu-btn {
  display: block;
  width: 100%;
  padding: 15px 18px;
  border: 3px solid #2d3436;
  border-radius: 16px;
  font-family: inherit;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 10px;
  transition: transform 0.12s, box-shadow 0.12s;
}

.menu-btn-primary {
  background: linear-gradient(180deg, #6bcb77 0%, #4caf50 100%);
  color: #fff;
  text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.2);
  box-shadow: 4px 4px 0 #2d3436;
}

.menu-btn-secondary {
  background: linear-gradient(180deg, #ffeaa7 0%, #fdcb6e 100%);
  box-shadow: 4px 4px 0 #2d3436;
}

.menu-btn:active {
  transform: translate(3px, 3px);
  box-shadow: none;
}

.menu-stats {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 2px dashed rgba(45, 52, 54, 0.15);
  font-size: 13px;
  font-weight: 600;
}

.menu-stats strong {
  color: var(--fill-sky, #0984e3);
}

.menu-footer {
  margin-top: 24px;
  font-size: 12px;
  font-weight: 500;
}

/* ── Level select (modern cartoon) ── */
#screen-levels .lvl-content {
  padding: 14px 16px max(18px, env(safe-area-inset-bottom));
  gap: 12px;
  justify-content: flex-start;
  min-height: 0;
  overflow: hidden;
  flex: 1;
  width: 100%;
  max-height: 100%;
  touch-action: pan-y;
}

#screen-levels.screen-active {
  justify-content: flex-start;
  touch-action: pan-y;
}

body.levels-scroll-active {
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
}

.lvl-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.lvl-back {
  width: 48px;
  height: 48px;
  border: 3px solid #2d3436;
  border-radius: 16px;
  background: linear-gradient(180deg, #fff 0%, #f1f5f9 100%);
  cursor: pointer;
  box-shadow: 3px 3px 0 #2d3436;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.12s, box-shadow 0.12s;
}

.lvl-back-icon {
  font-size: 22px;
  font-weight: 700;
  color: #2d3436;
  line-height: 1;
}

.lvl-back:active {
  transform: translate(3px, 3px);
  box-shadow: none;
}

.lvl-heading {
  flex: 1;
  text-align: center;
}

.lvl-heading h1 {
  font-size: clamp(24px, 5.5vw, 30px);
  letter-spacing: 0.3px;
}

.lvl-heading p {
  font-size: 13px;
  font-weight: 600;
  margin-top: 3px;
}

.lvl-header-spacer {
  width: 48px;
  flex-shrink: 0;
}

.lvl-progress-card {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.82);
  border: 3px solid #2d3436;
  border-radius: 18px;
  box-shadow: 3px 3px 0 #2d3436;
  flex-shrink: 0;
  backdrop-filter: blur(6px);
}

.lvl-progress-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.lvl-progress-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.lvl-progress-value {
  font-size: 12px;
  font-weight: 700;
}

.lvl-progress-track {
  height: 14px;
  background: #e2e8f0;
  border: 2px solid #2d3436;
  border-radius: 10px;
  overflow: hidden;
}

.lvl-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #ffd93d, #ffb703, #6bcb77);
  border-radius: 8px;
  transition: width 0.35s cubic-bezier(0.34, 1.2, 0.64, 1);
}

.lvl-world-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  width: 100%;
  padding: 4px 2px 6px;
  flex-shrink: 0;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.lvl-world-tabs::-webkit-scrollbar {
  display: none;
}

.lvl-world-tab {
  flex-shrink: 0;
  min-width: 64px;
  padding: 10px 12px 8px;
  border: 3px solid #2d3436;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.88);
  font-family: inherit;
  cursor: pointer;
  box-shadow: 2px 2px 0 #2d3436;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  transition: transform 0.15s, background 0.15s, box-shadow 0.15s;
}

.lvl-world-tab-num {
  font-size: 16px;
  font-weight: 700;
  color: #2d3436;
  line-height: 1;
}

.lvl-world-tab-label {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.lvl-world-tab.active {
  background: linear-gradient(180deg, #fff176 0%, #ffd93d 100%);
  transform: translateY(-3px) scale(1.04);
  box-shadow: 3px 5px 0 #2d3436;
}

.lvl-world-tab.locked {
  opacity: 0.4;
  cursor: not-allowed;
  filter: grayscale(0.35);
}

.lvl-world-tab:active:not(.locked) {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.lvl-panel {
  flex: 1;
  min-height: 0;
  width: 100%;
  background: #fffef8;
  border: 4px solid #2d3436;
  border-radius: 28px;
  padding: 0;
  box-shadow: 5px 5px 0 #2d3436, 0 16px 40px rgba(0, 0, 0, 0.12);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.lvl-panel::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 32px;
  background: linear-gradient(135deg, #ff6b6b44, #ffd93d44, #6bcb7744, #4d96ff44);
  z-index: -1;
}

.lvl-panel-head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 16px 12px;
  background: linear-gradient(180deg, #fff9c4 0%, #fffef8 100%);
  border-bottom: 3px dashed rgba(45, 52, 54, 0.12);
  flex-shrink: 0;
}

.lvl-panel-icon {
  font-size: 28px;
  line-height: 1;
  filter: drop-shadow(2px 2px 0 rgba(0, 0, 0, 0.1));
}

.lvl-panel-title {
  font-size: 17px;
  font-weight: 700;
  color: #2d3436;
  display: flex;
  align-items: center;
  gap: 8px;
}

.lvl-total-badge {
  display: inline-block;
  padding: 3px 8px;
  background: #fff;
  border: 2px solid #2d3436;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 2px 2px 0 #2d3436;
}

.lvl-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  overflow-x: hidden;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  padding: 16px 14px 18px;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
  scroll-behavior: smooth;
  touch-action: pan-y;
  scrollbar-width: thin;
  scrollbar-color: rgba(45, 52, 54, 0.3) transparent;
}

.lvl-grid-all {
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  padding: 14px 12px max(20px, env(safe-area-inset-bottom));
}

.lvl-grid-all .lvl-cell {
  max-width: 68px;
  border-radius: 14px;
  animation: none;
}

.lvl-grid::-webkit-scrollbar {
  width: 5px;
}

.lvl-grid::-webkit-scrollbar-thumb {
  background: rgba(45, 52, 54, 0.25);
  border-radius: 4px;
}

.lvl-grid-all .lvl-cell-num {
  font-size: 15px;
}

.lvl-grid-all .lvl-star-dot {
  font-size: 8px;
}

.lvl-grid-all .lvl-cell-lock {
  font-size: 12px;
}

.lvl-world-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px 14px;
  background: linear-gradient(180deg, #fff9c4 0%, #fffef8 100%);
  border-bottom: 3px dashed rgba(45, 52, 54, 0.12);
  flex-shrink: 0;
}

.lvl-world-icon {
  font-size: 40px;
  line-height: 1;
  filter: drop-shadow(2px 2px 0 rgba(0, 0, 0, 0.1));
  animation: lvlIconPop 2.5s ease-in-out infinite;
}

@keyframes lvlIconPop {
  0%, 100% { transform: scale(1) rotate(-4deg); }
  50% { transform: scale(1.08) rotate(4deg); }
}

.lvl-world-text {
  flex: 1;
  min-width: 0;
}

.lvl-world-name {
  font-size: 20px;
  font-weight: 700;
  color: #2d3436;
  line-height: 1.15;
}

.lvl-world-sub {
  font-size: 13px;
  font-weight: 600;
  margin-top: 2px;
}

.lvl-world-badge {
  flex-shrink: 0;
  padding: 6px 10px;
  background: #fff;
  border: 2px solid #2d3436;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  color: #2d3436;
  box-shadow: 2px 2px 0 #2d3436;
}

.lvl-cell {
  aspect-ratio: 1;
  max-width: 76px;
  margin: 0 auto;
  width: 100%;
  border: 3px solid #2d3436;
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  font-family: inherit;
  cursor: pointer;
  box-shadow: 3px 3px 0 #2d3436;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px 4px;
  position: relative;
  transition: transform 0.15s cubic-bezier(0.34, 1.3, 0.64, 1), box-shadow 0.15s;
  animation: lvlCellIn 0.4s cubic-bezier(0.34, 1.4, 0.64, 1) backwards;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.lvl-cell:nth-child(1) { animation-delay: 0.03s; }
.lvl-cell:nth-child(2) { animation-delay: 0.06s; }
.lvl-cell:nth-child(3) { animation-delay: 0.09s; }
.lvl-cell:nth-child(4) { animation-delay: 0.12s; }
.lvl-cell:nth-child(5) { animation-delay: 0.15s; }
.lvl-cell:nth-child(6) { animation-delay: 0.18s; }
.lvl-cell:nth-child(7) { animation-delay: 0.21s; }
.lvl-cell:nth-child(8) { animation-delay: 0.24s; }
.lvl-cell:nth-child(9) { animation-delay: 0.27s; }
.lvl-cell:nth-child(10) { animation-delay: 0.30s; }

@keyframes lvlCellIn {
  from { opacity: 0; transform: scale(0.6) translateY(12px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.lvl-cell-num {
  font-size: 17px;
  font-weight: 700;
  line-height: 1;
}

.lvl-cell-stars {
  display: flex;
  gap: 1px;
  line-height: 1;
}

.lvl-star-dot {
  font-size: 10px;
  color: #cbd5e1;
}

.lvl-star-dot.on {
  color: #ffd700;
  filter: drop-shadow(0 0 3px rgba(255, 215, 0, 0.7));
}

.lvl-cell.completed {
  background: linear-gradient(180deg, #fff9c4 0%, #ffe082 100%);
  border-color: #f39c12;
  box-shadow: 3px 3px 0 #e67e22;
}

.lvl-cell.current {
  background: linear-gradient(180deg, #c8f7dc 0%, #6bcb77 100%);
  border-color: #2d3436;
  box-shadow: 3px 3px 0 #2d3436, 0 0 0 3px rgba(107, 203, 119, 0.45);
  animation: lvlCellIn 0.4s cubic-bezier(0.34, 1.4, 0.64, 1) backwards, lvlCurrentPulse 2s ease-in-out infinite 0.5s;
}

@keyframes lvlCurrentPulse {
  0%, 100% { box-shadow: 3px 3px 0 #2d3436, 0 0 0 3px rgba(107, 203, 119, 0.35); }
  50% { box-shadow: 3px 3px 0 #2d3436, 0 0 0 6px rgba(107, 203, 119, 0.2); }
}

.lvl-cell.current .lvl-cell-num {
  color: #b8ffb8;
}

.lvl-cell.current::after {
  content: '▶';
  position: absolute;
  top: -6px;
  right: -4px;
  width: 20px;
  height: 20px;
  background: #ff6b6b;
  border: 2px solid #2d3436;
  border-radius: 50%;
  font-size: 8px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 1px 1px 0 #2d3436;
}

.lvl-cell.locked {
  cursor: not-allowed;
  background: linear-gradient(180deg, #e2e8f0 0%, #cbd5e1 100%);
  opacity: 0.75;
}

.lvl-cell.locked .lvl-cell-num {
  opacity: 0.5;
}

.lvl-cell-lock {
  font-size: 14px;
  line-height: 1;
  opacity: 0.7;
}

.lvl-cell:hover:not(.locked):not(:active) {
  transform: translateY(-3px) scale(1.04);
}

@media (hover: none) and (pointer: coarse) {
  .lvl-cell:hover:not(.locked):not(:active) {
    transform: none;
  }
}

.lvl-cell:active:not(.locked) {
  transform: translate(3px, 3px) scale(1);
  box-shadow: none;
}

#app.screen-hidden {
  display: none !important;
}

/* ── Legacy level select classes (settings screen) ── */
.levels-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  flex-shrink: 0;
}

.levels-back {
  width: 44px;
  height: 44px;
  border: 3px solid #2d3436;
  border-radius: 50%;
  background: #fff;
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 2px 2px 0 #2d3436;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.levels-back:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.levels-heading {
  text-align: center;
  flex: 1;
}

.levels-heading h1 {
  font-size: 26px;
}

.levels-heading p {
  font-size: 13px;
  font-weight: 500;
  margin-top: 2px;
}

.levels-spacer {
  width: 44px;
  flex-shrink: 0;
}

.levels-panel {
  flex: 1;
  min-height: 0;
  width: 100%;
  background: #fffef5;
  border: 4px solid #2d3436;
  border-radius: 24px;
  padding: 16px 14px;
  box-shadow: 4px 4px 0 #2d3436;
  display: flex;
  flex-direction: column;
}