:root {
  color-scheme: light;
  --bg: #fff9ec;
  --panel: #fffef8;
  --ink: #263238;
  --muted: #66737a;
  --line: rgba(46, 70, 78, .14);
  --shadow: 0 16px 38px rgba(36, 53, 58, .16);
  --soft-shadow: 0 8px 22px rgba(36, 53, 58, .12);
  --focus: #1b6aa5;
  --accent: #67c6a5;
  --accent-dark: #257c67;
  --sun: #f5c542;
  --rose: #f26f7d;
  --sky: #77b9f2;
  --wood: #d99f65;
  --wood-dark: #a96735;
  --radius: 18px;
  --shelf-color: #67c6a5;
  --font-display: "Fredoka", "Nunito", system-ui, sans-serif;
  --font-body: "Nunito", system-ui, sans-serif;
  font-family: var(--font-body);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(119, 185, 242, .18), transparent 28%),
    radial-gradient(circle at 85% 15%, rgba(245, 197, 66, .2), transparent 24%),
    linear-gradient(180deg, #fff9ec 0%, #eaf7f0 100%);
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}

body.dragging {
  overscroll-behavior: none;
  touch-action: none;
}

button,
select {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

button:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: 4px solid rgba(27, 106, 165, .42);
  outline-offset: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.app-shell {
  min-height: 100vh;
  min-height: 100dvh;
  padding: max(14px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) max(14px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
}

.screen {
  width: min(1120px, 100%);
  min-height: calc(100vh - 28px);
  min-height: calc(100dvh - 28px);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.topbar {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark,
.mascot-badge {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  background: linear-gradient(180deg, #ffffff, #dff7ed);
  box-shadow: inset 0 -6px 0 rgba(37, 124, 103, .12), var(--soft-shadow);
}

.brand-mark svg,
.icon svg {
  width: 30px;
  height: 30px;
}

h1,
h2,
h3,
.screen-title,
.mode-title,
.level-kicker,
.primary-button,
.secondary-button,
.nav-button,
.age-chip,
.stat strong,
.shelf-title {
  font-family: var(--font-display);
  font-weight: 700;
}

h1,
h2,
h3,
.screen-title {
  margin: 0;
  letter-spacing: 0;
  line-height: 1.05;
}

h1,
.screen-title {
  font-size: clamp(1.42rem, 4vw, 2.4rem);
}

.brand p,
.lead {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: clamp(.96rem, 2.2vw, 1.12rem);
  line-height: 1.35;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
  flex-shrink: 0;
  justify-content: flex-end;
}

.button-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.icon-button,
.primary-button,
.secondary-button,
.nav-button,
.mode-card,
.age-chip,
.theme-chip,
.small-button {
  min-height: 54px;
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--panel);
  border: 2.5px solid var(--line);
  box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.08), var(--soft-shadow);
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), 
              box-shadow 0.2s ease, 
              background 0.2s ease,
              border-color 0.2s ease;
}

.icon-button {
  width: 54px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}

.primary-button,
.secondary-button,
.nav-button,
.small-button {
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 900;
  text-decoration: none;
  white-space: nowrap;
}

.primary-button {
  color: #fff;
  background: var(--accent-dark);
  border-color: rgba(23, 89, 74, .2);
  box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.2), var(--soft-shadow);
}

.secondary-button {
  background: #fff1ca;
  border-color: #f2ce6e;
}


.small-button {
  min-height: 44px;
  padding: 0 14px;
  border-radius: 14px;
}

.icon-button:hover,
.primary-button:hover,
.secondary-button:hover,
.nav-button:hover,
.mode-card:hover,
.age-chip:hover,
.theme-chip:hover,
.small-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(36, 53, 58, .16);
}

.icon-button:active,
.primary-button:active,
.secondary-button:active,
.nav-button:active,
.mode-card:active,
.age-chip:active,
.theme-chip:active,
.small-button:active {
  transform: translateY(1px);
  box-shadow: 0 5px 12px rgba(36, 53, 58, .13);
}

.hero-panel,
.panel,
.play-area,
.object-tray,
.success-card,
.settings-panel {
  background: rgba(255, 254, 248, 0.96);
  border: 2px solid rgba(255, 255, 255, 0.6);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: clamp(14px, 3vw, 24px);
  display: grid;
  gap: 12px;
}

.home-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 16px;
  align-items: stretch;
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.mode-card {
  min-height: 78px;
  padding: 12px 14px;
  text-align: left;
  display: grid;
  gap: 4px;
}

.mode-card[aria-pressed="true"],
.age-chip[aria-pressed="true"],
.theme-chip[aria-pressed="true"] {
  border-color: rgba(37, 124, 103, .48);
  background: #e1f8ee;
}

.mode-title {
  font-weight: 1000;
  font-size: 1rem;
}

.mode-meta {
  color: var(--muted);
  font-weight: 800;
  font-size: .82rem;
  line-height: 1.2;
}

.age-row,
.theme-row,
.status-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.age-chip,
.theme-chip {
  min-height: 42px;
  padding: 0 12px;
  font-weight: 900;
}

.home-intro {
  display: grid;
  gap: 2px;
}

.home-controls {
  display: grid;
  gap: 8px;
}

.home-controls h3 {
  font-size: 1rem;
}

.home-play-row {
  justify-content: flex-start;
}

.progress-card {
  padding: 18px;
  display: grid;
  gap: 14px;
}

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

.stat {
  min-height: 74px;
  border-radius: 16px;
  background: #fff8e5;
  display: grid;
  place-items: center;
  padding: 10px;
  text-align: center;
}

.stat strong {
  font-size: 1.35rem;
}

.stat span {
  color: var(--muted);
  font-weight: 900;
  font-size: .82rem;
}

.game-screen {
  gap: 10px;
}

.game-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
}

.level-info {
  min-width: 0;
}

.level-kicker {
  color: var(--accent-dark);
  font-size: .85rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.progress-meter {
  height: 12px;
  border-radius: 999px;
  background: rgba(38, 50, 56, .1);
  overflow: hidden;
  margin-top: 8px;
}

.progress-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--sun));
  transition: width .3s ease;
}

.play-area {
  position: relative;
  flex: 1 1 auto;
  min-height: 380px;
  padding: clamp(12px, 2.5vw, 20px);
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 12px;
  overflow: hidden;
  contain: layout paint;
}

.shelf-zone {
  position: relative;
  min-height: clamp(330px, 54vh, 560px);
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: repeat(var(--shelf-count, 3), minmax(76px, 1fr));
  gap: 0;
  padding: clamp(22px, 3vw, 34px) clamp(18px, 3vw, 30px) clamp(14px, 2vw, 20px);
  border-radius: 28px;
  background:
    linear-gradient(90deg, rgba(93, 49, 18, .18) 0 2px, transparent 2px 34px),
    linear-gradient(180deg, rgba(255, 232, 176, .55), rgba(120, 63, 22, .08)),
    linear-gradient(180deg, #f3bd71 0%, #d98f43 38%, #b96a2c 100%);
  border: 6px solid #8f5428;
  box-shadow:
    inset 10px 0 0 rgba(255, 232, 178, .28),
    inset -10px 0 0 rgba(94, 48, 18, .18),
    inset 0 7px 0 rgba(255, 238, 196, .4),
    inset 0 -9px 0 rgba(83, 42, 16, .2),
    0 18px 34px rgba(71, 42, 19, .18);
  overflow: hidden;
  align-content: stretch;
}

.shelf-zone::before,
.shelf-zone::after {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  width: clamp(16px, 2.6vw, 28px);
  border-radius: 20px;
  background:
    linear-gradient(90deg, rgba(255, 239, 205, .42), transparent 38%),
    linear-gradient(180deg, #ffd18b, #cc7b35 64%, #9d5a2a);
  box-shadow:
    inset 3px 0 0 rgba(255, 244, 218, .45),
    inset -3px 0 0 rgba(90, 45, 17, .18);
  z-index: 4;
}

.shelf-zone::before {
  left: 5px;
}

.shelf-zone::after {
  right: 5px;
  transform: scaleX(-1);
}

.shelf {
  min-height: 0;
  border-radius: 0;
  background:
    radial-gradient(ellipse at center, color-mix(in srgb, var(--shelf-color) 11%, transparent) 0 34%, transparent 64%),
    linear-gradient(90deg, rgba(97, 49, 18, .12) 0 2px, transparent 2px 46px),
    linear-gradient(180deg, #c97831 0%, #aa5e25 100%);
  border: 0;
  border-left: clamp(14px, 2.5vw, 24px) solid rgba(111, 56, 20, .38);
  border-right: clamp(14px, 2.5vw, 24px) solid rgba(111, 56, 20, .38);
  box-shadow:
    inset 0 10px 18px rgba(73, 37, 15, .18),
    inset 0 -10px 14px rgba(255, 209, 142, .1);
  padding: 12px clamp(18px, 4vw, 42px) 26px;
  display: grid;
  align-items: center;
  position: relative;
  overflow: visible;
  transition:
              box-shadow 0.25s ease, 
              background 0.25s ease;
}

.shelf::before {
  content: "";
  position: absolute;
  left: clamp(20px, 4vw, 48px);
  right: clamp(20px, 4vw, 48px);
  top: 12px;
  bottom: 24px;
  border-radius: 12px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .24), rgba(255, 255, 255, .04)),
    color-mix(in srgb, var(--shelf-color) 13%, transparent);
  border: 2px dashed rgba(255, 232, 190, .36);
  box-shadow:
    inset 0 5px 12px rgba(71, 37, 15, .12);
  z-index: 0;
}

.shelf::after {
  content: "";
  position: absolute;
  left: clamp(8px, 1.4vw, 14px);
  right: clamp(8px, 1.4vw, 14px);
  bottom: -2px;
  height: 24px;
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(96, 50, 19, .18) 0 2px, transparent 2px 44px),
    linear-gradient(180deg, #f4bd76 0%, #d0833a 48%, #9b5828 100%);
  border: 2px solid rgba(87, 45, 18, .35);
  box-shadow: 
    0 4px 8px rgba(65, 36, 16, 0.2),
    inset 0 3px 0 rgba(255, 236, 194, 0.36),
    inset 0 -5px 0 rgba(80, 43, 18, 0.18);
  z-index: 3;
}

.shelf.highlight-target {
  box-shadow: 
    inset 0 10px 18px rgba(73, 37, 15, .18),
    inset 0 -10px 14px rgba(255, 209, 142, .1),
    0 0 0 5px color-mix(in srgb, var(--shelf-color) 24%, transparent);
}

.shelf.accepting {
  box-shadow: 
    inset 0 10px 18px rgba(73, 37, 15, .18),
    inset 0 -10px 14px rgba(255, 209, 142, .1),
    0 0 0 6px color-mix(in srgb, var(--shelf-color) 38%, transparent);
  z-index: 10;
  animation: none;
}

.shelf.wrong {
  box-shadow:
    inset 0 10px 18px rgba(73, 37, 15, .18),
    inset 0 -10px 14px rgba(255, 209, 142, .1),
    0 0 0 4px rgba(242, 111, 125, 0.22);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.shelf-title {
  position: absolute;
  left: 50%;
  top: -2px;
  min-width: 116px;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  padding: 6px 18px 8px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--shelf-color) 68%, white), var(--shelf-color));
  border: 3px solid rgba(255, 255, 255, .72);
  box-shadow:
    inset 0 -4px 0 rgba(0, 0, 0, .14),
    0 5px 9px rgba(65, 36, 16, .22);
  font-weight: 1000;
  line-height: 1.1;
  color: #ffffff;
  text-shadow: 0 2px 0 rgba(69, 41, 20, .25);
  z-index: 5;
}

.shelf-slots {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  gap: clamp(8px, 2vw, 18px);
  flex-wrap: wrap;
  min-height: 58px;
  padding: 18px clamp(18px, 4vw, 50px) 8px;
  position: relative;
  z-index: 1;
}

.mini-object {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 1.65rem;
  background: rgba(255, 255, 255, .84);
  border: 2px solid rgba(38, 50, 56, .12);
  box-shadow: 0 8px 13px rgba(36, 53, 58, .12);
  animation: pop-in .28s ease both;
}

.object-tray {
  min-height: 116px;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  contain: layout paint;
}

.tray-empty {
  color: var(--muted);
  font-weight: 900;
}

.object {
  width: clamp(72px, 15vw, 96px);
  height: clamp(72px, 15vw, 96px);
  border-radius: 22px;
  display: grid;
  grid-template-rows: 1fr auto;
  place-items: center;
  padding: 8px;
  font-weight: 1000;
  color: var(--ink);
  background: #ffffff;
  background: linear-gradient(180deg, #ffffff, color-mix(in srgb, var(--object-color) 18%, white));
  border: 3.5px solid color-mix(in srgb, var(--object-color) 70%, #d0d5d8);
  box-shadow: inset 0 -6px 0 rgba(38, 50, 56, 0.06), 0 8px 18px rgba(36, 53, 58, 0.12);
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  position: relative;
  z-index: 3;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), 
              box-shadow 0.2s ease,
              border-color 0.2s ease;
}

.object:hover:not(.drag-active) {
  transform: scale(1.06) translateY(-2px);
  box-shadow: inset 0 -6px 0 rgba(38, 50, 56, 0.06), 0 12px 22px rgba(36, 53, 58, 0.16);
  border-color: var(--object-color);
}

.object-label {
  max-width: 100%;
  color: var(--muted);
  font-size: .72rem;
  line-height: 1;
  text-transform: uppercase;
  overflow: hidden;
  text-overflow: ellipsis;
}

.object-art {
  --art: var(--object-color);
  width: clamp(36px, 8vw, 48px);
  height: clamp(36px, 8vw, 48px);
  display: block;
  position: relative;
  filter: drop-shadow(0 4px 3px rgba(36, 53, 58, .12));
}

.object-art::before,
.object-art::after,
.object-art span,
.object-art span::before,
.object-art span::after {
  content: "";
  position: absolute;
  display: block;
}

.mini-art {
  width: 30px;
  height: 30px;
}

.art-ball,
.art-circle,
.art-apple,
.art-orange,
.art-berry,
.art-cat,
.art-dog,
.art-fish,
.art-bird,
.art-frog,
.art-chick,
.art-candy {
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 26%, rgba(255, 255, 255, .8) 0 14%, transparent 15%),
    linear-gradient(180deg, color-mix(in srgb, var(--art) 74%, white), var(--art));
  border: 2px solid color-mix(in srgb, var(--art) 72%, #263238);
}

.art-ball::after,
.art-circle::after,
.art-apple::after,
.art-orange::after,
.art-berry::after,
.art-cat::after,
.art-dog::after,
.art-fish::after,
.art-bird::after,
.art-frog::after,
.art-chick::after,
.art-candy::after {
  inset: 20% 48%;
  width: 2px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .55);
  transform: rotate(28deg);
}

.art-block,
.art-book,
.art-notebook {
  width: clamp(34px, 8vw, 46px);
  height: clamp(40px, 8vw, 52px);
  border-radius: 8px 5px 5px 8px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .55) 0 15%, transparent 16%),
    linear-gradient(180deg, color-mix(in srgb, var(--art) 72%, white), var(--art));
  border: 2px solid color-mix(in srgb, var(--art) 74%, #263238);
}

.art-book::after,
.art-notebook::after {
  left: 24%;
  top: 12%;
  bottom: 12%;
  width: 2px;
  background: rgba(255, 255, 255, .62);
}

.art-star {
  background: var(--art);
  clip-path: polygon(50% 3%, 62% 35%, 96% 36%, 68% 57%, 80% 93%, 50% 72%, 20% 93%, 32% 57%, 4% 36%, 38% 35%);
}

.art-heart {
  transform: rotate(-45deg) scale(.82);
  background: var(--art);
  border-radius: 12px 0 12px 12px;
}

.art-heart::before,
.art-heart::after {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--art);
}

.art-heart::before {
  top: -50%;
}

.art-heart::after {
  right: -50%;
}

.art-cup {
  border-radius: 8px 8px 16px 16px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--art) 70%, white), var(--art));
  border: 2px solid color-mix(in srgb, var(--art) 74%, #263238);
}

.art-car,
.art-train {
  height: 34px;
  margin-top: 10px;
  border-radius: 13px 16px 9px 9px;
  background: var(--art);
  border: 2px solid color-mix(in srgb, var(--art) 72%, #263238);
}

.art-car::before,
.art-train::before {
  left: 22%;
  right: 22%;
  top: -14px;
  height: 18px;
  border-radius: 12px 12px 0 0;
  background: color-mix(in srgb, var(--art) 55%, white);
  border: 2px solid color-mix(in srgb, var(--art) 72%, #263238);
}

.art-car::after,
.art-train::after {
  left: 7px;
  right: 7px;
  bottom: -7px;
  height: 10px;
  background:
    radial-gradient(circle at left center, #263238 0 5px, transparent 6px),
    radial-gradient(circle at right center, #263238 0 5px, transparent 6px);
}

.art-rocket {
  width: 28px;
  height: 50px;
  margin: 0 auto;
  border-radius: 50% 50% 14px 14px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--art) 58%, white), var(--art));
  border: 2px solid color-mix(in srgb, var(--art) 72%, #263238);
  transform: rotate(28deg);
}

.art-rocket::after {
  left: 7px;
  right: 7px;
  bottom: -13px;
  height: 18px;
  clip-path: polygon(50% 100%, 0 0, 100% 0);
  background: #f5c542;
}

.art-teddy,
.art-pear,
.art-gift,
.art-flower,
.art-tree,
.art-bell {
  border-radius: 45% 45% 38% 38%;
  background: linear-gradient(180deg, color-mix(in srgb, var(--art) 62%, white), var(--art));
  border: 2px solid color-mix(in srgb, var(--art) 74%, #263238);
}

.art-teddy::before {
  left: -5px;
  top: -3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--art);
  box-shadow: 34px 0 0 var(--art);
}

.art-kite {
  background: var(--art);
  clip-path: polygon(50% 0, 100% 42%, 50% 100%, 0 42%);
}

.art-banana,
.art-pencil,
.art-crayon,
.art-ruler,
.art-light {
  width: 18px;
  height: 52px;
  margin: 0 auto;
  border-radius: 999px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--art) 58%, white), var(--art));
  border: 2px solid color-mix(in srgb, var(--art) 72%, #263238);
  transform: rotate(45deg);
}

.art-pencil::after,
.art-crayon::after,
.art-ruler::after {
  left: -2px;
  right: -2px;
  top: -9px;
  height: 10px;
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  background: #4b3424;
}

.art-ruler::before {
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: repeating-linear-gradient(180deg, rgba(255, 255, 255, .72) 0 4px, transparent 4px 8px);
}

.art-grapes,
.art-lollipop,
.art-cupcake,
.art-cookie,
.art-donut,
.art-chocolate,
.art-star,
.art-light,
.art-flower {
  background-color: var(--art);
}

.art-bag {
  border-radius: 12px 12px 9px 9px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--art) 68%, white), var(--art));
  border: 2px solid color-mix(in srgb, var(--art) 74%, #263238);
}

.art-bag::before {
  left: 12px;
  right: 12px;
  top: -8px;
  height: 18px;
  border: 4px solid color-mix(in srgb, var(--art) 72%, #263238);
  border-bottom: 0;
  border-radius: 14px 14px 0 0;
}

.object.drag-active {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 30;
  pointer-events: none;
  box-shadow: inset 0 -6px 0 rgba(38, 50, 56, 0.06), 0 18px 30px rgba(36, 53, 58, 0.2);
  will-change: transform;
  transition: none;
  contain: layout style paint;
}

.object.drag-ghost {
  margin: 0;
}

.object.drag-source-hidden {
  visibility: hidden;
}

.object.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.object.returning {
  /* No animation — smooth slide-back is handled in JS via CSS transition */
}

.object.wrong-drop {
  animation: wrong-drop-soft 0.28s ease both;
}

.mascot-line {
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-weight: 900;
}

.mascot-face {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: #fff1ca;
  display: grid;
  place-items: center;
  box-shadow: var(--soft-shadow);
  font-size: 1.35rem;
}

.success-overlay,
.settings-overlay,
.pause-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(30, 41, 46, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.success-card,
.settings-panel {
  width: min(540px, 100%);
  padding: clamp(20px, 5vw, 32px);
  display: grid;
  gap: 16px;
  text-align: center;
}

.star-row {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: clamp(2rem, 9vw, 3.3rem);
  line-height: 1;
}

.sticker {
  width: 88px;
  height: 88px;
  margin: 0 auto;
  border-radius: 28px;
  display: grid;
  place-items: center;
  font-size: 2.7rem;
  background: #e1f8ee;
  border: 4px solid rgba(37, 124, 103, .22);
  box-shadow: var(--soft-shadow);
}

.settings-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.toggle {
  min-width: 72px;
  min-height: 42px;
  border-radius: 999px;
  padding: 4px;
  display: flex;
  justify-content: flex-start;
  background: #d7dde0;
}

.toggle[aria-pressed="true"] {
  justify-content: flex-end;
  background: var(--accent);
}

.toggle span {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 4px 9px rgba(36, 53, 58, .2);
}

.confetti-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 45;
  overflow: hidden;
}

.confetti {
  position: absolute;
  width: 12px;
  height: 18px;
  border-radius: 4px;
  background: var(--confetti-color);
  animation: confetti-fall 900ms ease-out forwards;
}

.icon {
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
}

.sticker-mini {
  width: 44px;
  height: 44px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  background: #fff1ca;
  border: 2px solid rgba(46, 70, 78, .12);
  box-shadow: var(--soft-shadow);
  font-size: 1.45rem;
}

.screen-enter {
  animation: screen-enter .28s ease both;
}

@keyframes screen-enter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pop-in {
  from {
    transform: scale(.68);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes wrong-drop-soft {
  0% {
    opacity: 0.72;
    transform: scale(0.96);
  }
  55% {
    opacity: 1;
    transform: scale(1.03);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes confetti-fall {
  from {
    opacity: 1;
    transform: translate3d(0, -20px, 0) rotate(0);
  }
  to {
    opacity: 0;
    transform: translate3d(var(--drift), 72vh, 0) rotate(340deg);
  }
}

@media (orientation: landscape) and (max-height: 620px) {
  .screen {
    min-height: auto;
  }

  .play-area {
    grid-template-columns: minmax(0, 1fr) minmax(170px, 260px);
    grid-template-rows: 1fr;
    min-height: calc(100vh - 116px);
  }

  .object-tray {
    align-content: center;
    overflow-y: auto;
  }
}

@media (max-width: 760px) {
  .home-grid {
    grid-template-columns: 1fr;
  }

  /* Game header: keep level info + toolbar on one row */
  .game-header {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
  }

  .level-info {
    min-width: 0;
    flex: 1 1 auto;
  }

  .toolbar {
    flex-shrink: 0;
  }

  /* Home topbar: always one row */
  .topbar .brand {
    flex: 1 1 auto;
    min-width: 0;
  }

  .mode-grid {
    grid-template-columns: 1fr;
  }

  .shelf-zone {
    min-height: clamp(300px, 50vh, 460px);
    grid-template-columns: 1fr;
    grid-template-rows: repeat(var(--shelf-count, 3), minmax(70px, 1fr));
    padding: 20px 16px 14px;
  }

  .shelf {
    padding: 10px 18px 24px;
  }

  .shelf-title {
    min-width: 96px;
    min-height: 34px;
    padding: 5px 14px 7px;
  }

  .shelf-slots {
    min-height: 48px;
    padding: 16px 18px 6px;
  }
}

@media (max-width: 560px) {
  .brand h1,
  .brand p {
    display: none;
  }

  .topbar {
    min-height: 54px;
    align-items: center;
  }
}

@media (max-width: 420px) {
  .object-label,
  .nav-button .nav-label {
    display: none;
  }

  .brand-mark {
    width: 50px;
    height: 50px;
  }

  .icon-button {
    width: 50px;
    min-height: 50px;
  }

  .object {
    width: 70px;
    height: 70px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}