:root {
  --bg-1: #fdf9ee;
  --bg-2: #f8e4b2;
  --card: #fffef9;
  --ink: #2c2215;
  --accent: #d98f00;
  --accent-2: #8d5e00;
  --good: #197a3d;
  --bad: #8f1d1d;
  --line: #ecd9b0;
  --shadow: 0 10px 28px rgba(73, 46, 0, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 20% 20%, var(--bg-2), var(--bg-1) 65%);
  overflow-x: visible;
}

html {
  overflow-x: clip;
}

.app {
  width: 100%;
  max-width: 980px;
  margin: 0;
  padding: 20px max(12px, env(safe-area-inset-right)) 20px
    max(12px, env(safe-area-inset-left));
  display: grid;
  gap: 16px;
}

.topbar,
.status,
.store,
.play-area {
  width: 100%;
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.topbar {
  padding: 16px 20px;
}

.topbar-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar h1 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.topbar p {
  margin: 8px 0 0;
  opacity: 0.8;
}

.status {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 12px 16px;
  position: sticky;
  top: 8px;
  z-index: 120;
}

.status.has-spend {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stat {
  background: #fff6de;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 12px;
}

.label {
  display: block;
  font-size: 0.8rem;
  opacity: 0.75;
}

.stat strong {
  font-size: 1.25rem;
}

.reset {
  margin-left: auto;
  border: none;
  background: #f4ddad;
  color: var(--accent-2);
  font-weight: 700;
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
}

.reset,
.chicken,
.flame-btn,
.buy,
.nugget-buy,
.nugget-pause {
  touch-action: manipulation;
}

.reset:hover {
  filter: brightness(0.97);
}

.play-area {
  position: relative;
  display: grid;
  gap: 14px;
  justify-items: center;
  padding: 24px;
  overflow: visible;
}

.farm-scene {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  z-index: 1;
  width: 100%;
  max-width: 740px;
  min-height: 220px;
  border: 2px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, #c8ecff 0%, #ebf9ff 46%, #d5f3b3 47%, #bde595 100%);
}

.scene-sky {
  position: absolute;
  inset: 0 0 46% 0;
  background:
    radial-gradient(circle at 12% 32%, rgba(255, 255, 255, 0.88) 0 14%, transparent 15%),
    radial-gradient(circle at 20% 28%, rgba(255, 255, 255, 0.88) 0 10%, transparent 11%),
    radial-gradient(circle at 15% 36%, rgba(255, 255, 255, 0.88) 0 11%, transparent 12%),
    radial-gradient(circle at 82% 24%, rgba(255, 255, 255, 0.84) 0 12%, transparent 13%),
    radial-gradient(circle at 75% 28%, rgba(255, 255, 255, 0.84) 0 8%, transparent 9%),
    radial-gradient(circle at 86% 30%, rgba(255, 255, 255, 0.84) 0 8%, transparent 9%);
}

.scene-ground {
  position: absolute;
  inset: 46% 0 0 0;
  background-color: #bde595;
  background-image:
    repeating-linear-gradient(
      -24deg,
      rgba(93, 154, 57, 0.16) 0 8px,
      rgba(93, 154, 57, 0) 8px 16px
    );
}

.nest-visual {
  --nest-scale: 1;
  position: absolute;
  left: 26px;
  bottom: 30px;
  width: calc(98px * var(--nest-scale));
  height: calc(44px * var(--nest-scale));
  border-radius: 50%;
  background:
    repeating-linear-gradient(
      16deg,
      #a9732c 0 6px,
      #c0863b 6px 11px,
      #986423 11px 16px
    );
  box-shadow:
    inset 0 8px 10px rgba(255, 255, 255, 0.35),
    inset 0 -8px 12px rgba(0, 0, 0, 0.2),
    0 8px 12px rgba(38, 22, 2, 0.22);
  transform-origin: left bottom;
  transition: width 250ms ease, height 250ms ease, transform 250ms ease;
}

.nest-egg-slot {
  position: absolute;
  left: 0;
  top: -22px;
  width: 148px;
  height: 70px;
  display: block;
}

.nest-sparkle {
  position: absolute;
  right: -2px;
  top: -4px;
  font-size: 0.95rem;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

.hen-visual {
  position: absolute;
  left: 154px;
  right: 10px;
  bottom: 22px;
  min-height: 90px;
  pointer-events: none;
  z-index: 6;
}

.more-count {
  align-self: center;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid #9f843f;
  background: rgba(255, 245, 208, 0.84);
  color: #654e17;
  font-size: 0.8rem;
  font-weight: 700;
}

.upgrade-visuals {
  position: absolute;
  right: 10px;
  top: 12px;
  display: grid;
  gap: 6px;
  max-width: 56%;
  z-index: 7;
}

.upgrade-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 10px;
  background: rgba(255, 255, 245, 0.62);
  border: 1px solid rgba(130, 102, 45, 0.34);
}

.upgrade-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: #57421b;
}

.upgrade-icons {
  display: block;
}

.icon-pile {
  position: relative;
  display: block;
  width: var(--pile-w);
  height: var(--pile-h);
}

.pile-icon {
  position: absolute;
  left: 0;
  top: 0;
  line-height: 1;
  transform: translate(var(--x), var(--y)) rotate(var(--r)) scale(var(--s));
  transform-origin: center;
  filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.18));
}

.pile-hens .pile-icon {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
}

.pile-nest-eggs .pile-icon {
  font-size: 1.22rem;
}

.pile-upgrade .pile-icon {
  font-size: 1rem;
}

.egg-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 25;
}

.egg-pop {
  position: absolute;
  font-size: clamp(1rem, 1.9vw, 1.3rem);
  filter: drop-shadow(0 4px 3px rgba(0, 0, 0, 0.2));
  animation: egg-pop-out 1400ms cubic-bezier(0.2, 0.75, 0.16, 1) forwards;
}

.chicken {
  border: none;
  border-radius: 22px;
  width: 100%;
  max-width: 320px;
  padding: 28px 16px;
  background: linear-gradient(170deg, #fff4cf, #ffe6ad);
  box-shadow: 0 8px 20px rgba(111, 69, 0, 0.2);
  cursor: pointer;
  transition: transform 80ms ease, box-shadow 80ms ease, filter 80ms ease;
  user-select: none;
  -webkit-user-select: none;
}

.chicken:active {
  transform: translateY(3px) scale(0.99);
  box-shadow: 0 4px 10px rgba(111, 69, 0, 0.25);
}

.chicken.clicked {
  filter: brightness(1.03);
}

.bird {
  display: block;
  font-size: clamp(4rem, 13vw, 5.5rem);
  line-height: 1;
}

.tap {
  display: block;
  margin-top: 8px;
  font-weight: 700;
}

.store {
  padding: 16px;
}

.store h2 {
  margin: 0;
}

.hint {
  margin: 8px 0 12px;
  opacity: 0.75;
}

#store-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.item {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  background: #fffaf0;
}

.item h3 {
  margin: 0;
  font-size: 1rem;
}

.item p {
  margin: 4px 0 0;
  font-size: 0.88rem;
  opacity: 0.82;
}

.buy {
  border: none;
  background: var(--accent);
  color: white;
  font-weight: 700;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
}

.buy[disabled] {
  background: #e4cf9d;
  color: #6c5b35;
  cursor: not-allowed;
}

.hidden {
  display: none !important;
}

.nugget-section {
  background: linear-gradient(160deg, #1d252f, #2f3943);
  border: 2px solid #4f5e6d;
  border-radius: 18px;
  box-shadow: 0 10px 28px rgba(17, 24, 32, 0.35);
  color: #ecf2f8;
  padding: 16px;
  display: grid;
  gap: 12px;
}

.nugget-head h2 {
  margin: 0;
}

.nugget-head p {
  margin: 6px 0 0;
  opacity: 0.86;
}

.nugget-status {
  position: relative;
  z-index: 160;
  isolation: isolate;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.nugget-status.is-floating-top,
.nugget-status.is-floating-bottom {
  position: fixed;
  left: var(--nugget-float-left, 0);
  width: var(--nugget-float-width, 100%);
  z-index: 2000;
  padding: 8px;
  border-radius: 12px;
  background: rgba(24, 31, 39, 0.95);
  border: 1px solid #5f6f7f;
  box-shadow: 0 8px 18px rgba(7, 10, 14, 0.35);
}

.nugget-status.is-floating-top {
  top: var(--nugget-float-top, 88px);
}

.nugget-status.is-floating-bottom {
  bottom: 10px;
}

.nugget-section.has-floating-nugget-top {
  padding-top: 108px;
}

.stat-nugget {
  position: relative;
  z-index: 1;
  background: #0f1923;
  border: 1px solid #556373;
}

.stat-nugget .label {
  color: #a9bacb;
}

.stat-nugget strong {
  color: #ffe39b;
}

.nugget-play {
  position: relative;
  z-index: 2;
  background: rgba(9, 14, 19, 0.45);
  border: 1px solid #556373;
  border-radius: 14px;
  padding: 14px;
  display: grid;
  gap: 12px;
  justify-items: center;
}

.forge-scene {
  width: 100%;
  max-width: 740px;
  min-height: 410px;
  position: relative;
  z-index: 1;
  display: grid;
  border-radius: 12px;
  border: 1px solid #697887;
  background:
    linear-gradient(180deg, #2a3138 0%, #20272f 100%),
    repeating-linear-gradient(
      45deg,
      rgba(253, 191, 52, 0.14) 0 16px,
      rgba(0, 0, 0, 0) 16px 32px
    );
  overflow: hidden;
}

.forge-smoke {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 65%, rgba(255, 192, 85, 0.12), transparent 35%),
    radial-gradient(circle at 55% 38%, rgba(255, 196, 86, 0.1), transparent 40%),
    radial-gradient(circle at 83% 58%, rgba(255, 211, 124, 0.12), transparent 34%);
}

.forge-visuals {
  position: relative;
  height: 100%;
  padding: 14px;
  display: grid;
  grid-template-rows: auto auto;
  gap: 10px;
  align-content: stretch;
  z-index: 2;
}

.forge-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: minmax(84px, auto);
  gap: 10px;
  width: 100%;
}

.forge-label {
  color: #cfd9e4;
  font-size: 0.76rem;
  font-weight: 700;
}

.forge-module {
  border-radius: 10px;
  border: 1px solid #5f6f80;
  background: linear-gradient(145deg, rgba(15, 21, 29, 0.82), rgba(23, 31, 40, 0.66));
  padding: 7px 8px;
  min-height: 84px;
}

.forge-module.active {
  border-color: #7890a7;
  box-shadow: inset 0 0 0 1px rgba(255, 191, 74, 0.07);
}

.forge-module.idle {
  opacity: 0.66;
}

.forge-module.paused {
  opacity: 0.42;
}

.forge-module.paused .forge-lane {
  filter: grayscale(0.75) saturate(0.45);
}

.forge-module-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.forge-count {
  font-size: 0.72rem;
  font-weight: 700;
  color: #ffdd9c;
  border: 1px solid rgba(255, 188, 92, 0.4);
  border-radius: 999px;
  padding: 1px 7px;
  background: rgba(80, 52, 15, 0.45);
}

.forge-lane {
  position: relative;
  isolation: isolate;
  border-radius: 8px;
  border: 1px solid rgba(110, 132, 154, 0.65);
  background: linear-gradient(90deg, rgba(13, 19, 25, 0.9), rgba(24, 34, 45, 0.85));
  padding: 6px;
  min-height: 52px;
  overflow: hidden;
}

.pile-forge {
  z-index: 1;
}

.pile-forge .pile-icon {
  font-size: 1.05rem;
}

.forge-conveyor {
  position: relative;
  left: 0;
  right: 0;
  bottom: 0;
  height: 26px;
  width: 100%;
  margin-top: 2px;
  border-radius: 8px;
  border: 1px solid rgba(108, 129, 148, 0.7);
  background: linear-gradient(90deg, rgba(8, 12, 16, 0.84), rgba(22, 30, 39, 0.78));
  overflow: hidden;
}

.conveyor-belt {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      -35deg,
      rgba(104, 121, 139, 0.3) 0 8px,
      rgba(36, 44, 53, 0) 8px 16px
    );
}

.conveyor-warning {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      120deg,
      rgba(247, 170, 43, 0.25) 0 10px,
      rgba(0, 0, 0, 0) 10px 20px
    );
  opacity: 0.5;
}

.flame-btn {
  border: none;
  border-radius: 16px;
  width: 100%;
  max-width: 320px;
  padding: 16px;
  background: linear-gradient(170deg, #4f2c12, #311a0a);
  color: #ffd89f;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.34);
  cursor: pointer;
  transition: transform 90ms ease, filter 90ms ease;
  user-select: none;
  -webkit-user-select: none;
}

.flame-btn:active {
  transform: translateY(2px) scale(0.99);
}

.flame-icon {
  display: block;
  font-size: 2.5rem;
}

.flame-btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.nugget-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.nugget-pop {
  position: absolute;
  font-size: 1.2rem;
  animation: nugget-pop-out 1000ms cubic-bezier(0.2, 0.75, 0.16, 1) forwards;
  filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.3));
}

.nugget-store h3 {
  margin: 0;
}

.nugget-store .hint {
  color: #b7c4d2;
}

#nugget-store-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.nugget-item {
  display: grid;
  grid-template-columns: 1fr 170px;
  gap: 8px;
  align-items: center;
  background: rgba(15, 21, 28, 0.7);
  border: 1px solid #5d6f80;
  border-radius: 10px;
  padding: 10px 12px;
}

.nugget-item h4 {
  margin: 0;
  font-size: 1rem;
}

.nugget-item p {
  margin: 4px 0 0;
  opacity: 0.86;
}

.nugget-buy {
  width: 112px;
  border: none;
  border-radius: 10px;
  background: #f1a51b;
  color: #2d1f06;
  font-weight: 700;
  padding: 10px 12px;
  cursor: pointer;
}

.nugget-buy[disabled] {
  background: #78643c;
  color: #d5c3a5;
  cursor: not-allowed;
}

.nugget-controls {
  display: grid;
  grid-template-columns: 34px 112px;
  align-items: center;
  justify-content: end;
  gap: 16px;
}

.nugget-pause {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(132, 155, 178, 0.45);
  border-radius: 9px;
  background: rgba(30, 42, 56, 0.45);
  color: #d6e3f0;
  font-size: 0.88rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0.86;
}

.nugget-pause:hover {
  opacity: 1;
  filter: brightness(1.06);
}

.nugget-pause-slot {
  width: 34px;
  height: 34px;
}

@keyframes egg-pop-out {
  0% {
    transform: translate3d(0, 0, 0) scale(0.88);
    opacity: 0.98;
  }
  40% {
    transform: translate3d(var(--mx), var(--my), 0) scale(1.02);
    opacity: 0.95;
  }
  80% {
    opacity: 0.82;
  }
  100% {
    transform: translate3d(var(--dx), var(--dy), 0) scale(0.2);
    opacity: 0;
  }
}

@keyframes nugget-pop-out {
  0% {
    transform: translate3d(0, 0, 0) scale(0.85);
    opacity: 0.98;
  }
  40% {
    transform: translate3d(var(--mx), var(--my), 0) scale(1);
    opacity: 0.92;
  }
  100% {
    transform: translate3d(var(--dx), var(--dy), 0) scale(0.28);
    opacity: 0;
  }
}

@keyframes hop {
  0% {
    transform: translateY(12px) scale(0.86);
    opacity: 0;
  }
  60% {
    transform: translateY(-4px) scale(1.04);
    opacity: 1;
  }
  100% {
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 700px) {
  .status {
    gap: 10px;
    grid-template-columns: 1fr;
  }

  .status.has-spend {
    grid-template-columns: 1fr;
  }

  .topbar-head {
    align-items: center;
    flex-direction: row;
    justify-content: space-between;
    width: 100%;
  }

  .farm-scene {
    min-height: 180px;
  }

  .hen-visual {
    left: 120px;
    min-height: 52px;
  }

  .upgrade-visuals {
    max-width: 70%;
  }

  .nugget-status {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .nugget-item {
    grid-template-columns: 1fr;
  }

  .nugget-controls {
    justify-content: start;
  }

  .nugget-status.is-floating-top,
  .nugget-status.is-floating-bottom {
    width: min(96vw, var(--nugget-float-width, 96vw));
    left: max(2vw, var(--nugget-float-left, 2vw));
  }

  .reset {
    margin-left: auto;
  }

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