:root {
  --bg1: #0f1b3d;
  --bg2: #6926a8;
  --panel: rgba(255,255,255,0.14);
  --panel-strong: rgba(255,255,255,0.22);
  --text: #ffffff;
  --sun: #ffd166;
  --good: #06d6a0;
  --bad: #ef476f;
  --blue: #4cc9f0;
  --purple: #c77dff;
}

* { box-sizing: border-box; }

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  font-family: "Trebuchet MS", "Comic Sans MS", system-ui, -apple-system, Segoe UI, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 10%, #3347b9 0%, transparent 25%),
              radial-gradient(circle at 80% 20%, #ff5faf 0%, transparent 24%),
              linear-gradient(135deg, var(--bg1), var(--bg2));
  touch-action: none;
  user-select: none;
}

.game-app {
  position: relative;
  width: 100%;
  height: 100svh;
  min-height: 520px;
  overflow: hidden;
  isolation: isolate;
}

.asset-loader {
  position: absolute;
  inset: 0;
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(circle at 22% 18%, rgba(255, 255, 255, .95), rgba(255, 255, 255, 0) 18%),
    radial-gradient(circle at 78% 22%, rgba(255, 191, 61, .42), rgba(255, 191, 61, 0) 24%),
    linear-gradient(135deg, #073b30 0%, #0f766e 46%, #102033 100%);
  backdrop-filter: blur(10px);
}

.game-app.is-loading .asset-loader {
  display: flex;
}

.loader-card {
  width: min(520px, 100%);
  border: 1px solid rgba(255, 255, 255, .62);
  border-radius: 8px;
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 26px 80px rgba(8, 37, 26, .28);
  padding: clamp(20px, 5vw, 34px);
  text-align: center;
}

.brand-loader {
  position: relative;
  overflow: hidden;
  border-color: rgba(255, 255, 255, .74);
  background: linear-gradient(180deg, rgba(255, 255, 255, .98), rgba(241, 253, 247, .92));
}

.brand-loader::before {
  content: "";
  position: absolute;
  inset: -45% -18% auto;
  height: 140px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .78), transparent);
  transform: rotate(-8deg) translateX(-55%);
  animation: loaderSweep 2.2s ease-in-out infinite;
  pointer-events: none;
}

.loader-eyebrow {
  margin: 0 0 12px;
  color: #0e6b40;
  font-size: 11px;
  font-weight: 950;
  letter-spacing: .12em;
  line-height: 1.2;
  text-transform: uppercase;
}

.loader-brand {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 0;
  width: 100%;
  max-width: 100%;
  margin: 0;
  overflow: visible;
  color: #0f2438;
  white-space: nowrap;
  line-height: 1.08;
  font-size: clamp(28px, 10vw, 58px);
  font-weight: 950;
  text-shadow: none;
}

.loader-brand span {
  flex: 0 0 auto;
  display: inline-block;
  background: linear-gradient(135deg, #102033 0%, #0f766e 52%, #ffbf3d 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0;
  transform: translateX(-28px) translateY(8px) rotate(-5deg);
  animation: brandLetterIn .68s cubic-bezier(.18, .86, .25, 1.18) forwards;
  animation-delay: calc(var(--i) * .075s);
}

.loader-card p {
  margin: 12px 0 0;
  color: #557086;
  line-height: 1.55;
}

.loader-bar {
  height: 10px;
  margin-top: 18px;
  border-radius: 999px;
  overflow: hidden;
  background: #dceee7;
}

.loader-bar span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #1f8a4c, #27c6a1, #ffbf3d);
  transition: width .25s ease;
}

@keyframes brandLetterIn {
  0% {
    opacity: 0;
    transform: translateX(-28px) translateY(8px) rotate(-5deg);
  }
  68% {
    opacity: 1;
    transform: translateX(3px) translateY(0) rotate(1deg);
  }
  100% {
    opacity: 1;
    transform: translateX(0) translateY(0) rotate(0);
  }
}

@keyframes loaderSweep {
  0%, 18% { transform: rotate(-8deg) translateX(-62%); }
  62%, 100% { transform: rotate(-8deg) translateX(62%); }
}

#gameWrap {
  position: fixed;
  inset: 0;
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 100dvh;
}

header {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: max(0.65rem, env(safe-area-inset-top)) max(0.75rem, env(safe-area-inset-right)) 0.55rem max(0.75rem, env(safe-area-inset-left));
  background: linear-gradient(180deg, rgba(0,0,0,0.35), rgba(0,0,0,0));
  pointer-events: none;
}

.titleBlock {
  min-width: 0;
  pointer-events: none;
}

h1 {
  margin: 0;
  font-size: clamp(1.05rem, 4vw, 2rem);
  letter-spacing: 0.02em;
  text-shadow: 0 3px 0 rgba(0,0,0,0.2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#missionLine {
  margin-top: 0.2rem;
  font-size: clamp(0.8rem, 2.5vw, 1.05rem);
  color: rgba(255,255,255,0.88);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hud {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.4rem;
  pointer-events: none;
}

.pill {
  min-width: 74px;
  padding: 0.42rem 0.58rem;
  border: 1px solid rgba(255,255,255,0.24);
  border-radius: 999px;
  background: var(--panel);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.14);
  text-align: center;
  font-weight: 800;
  font-size: clamp(0.72rem, 2.2vw, 0.95rem);
  line-height: 1.1;
}

.pill small {
  display: block;
  opacity: 0.75;
  font-size: 0.7em;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100dvh;
  z-index: 1;
  display: block;
  cursor: none;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: clamp(0.45rem, 2vw, 1rem);
  background: radial-gradient(circle at top, rgba(255,255,255,0.08), rgba(0,0,0,0.52));
  backdrop-filter: blur(8px);
}

.card {
  width: min(720px, 96vw);
  max-height: calc(100dvh - clamp(0.9rem, 4vw, 2rem));
  overflow: auto;
  overscroll-behavior: contain;
  border: 1px solid rgba(255,255,255,0.24);
  border-radius: clamp(16px, 4vw, 30px);
  padding: clamp(0.7rem, min(3.2vw, 2.6dvh), 2rem);
  background: linear-gradient(180deg, rgba(255,255,255,0.22), rgba(255,255,255,0.11));
  box-shadow: 0 35px 90px rgba(0,0,0,0.38), inset 0 1px 0 rgba(255,255,255,0.32);
  text-align: center;
  -webkit-overflow-scrolling: touch;
}

.card h2 {
  margin: 0 0 clamp(0.18rem, 0.8dvh, 0.35rem);
  font-size: clamp(1.55rem, min(7vw, 8dvh), 4rem);
  line-height: 0.95;
  text-shadow: 0 5px 0 rgba(0,0,0,0.17);
}

.card p {
  margin: clamp(0.3rem, 1.2dvh, 0.55rem) auto;
  max-width: 56ch;
  color: rgba(255,255,255,0.9);
  font-size: clamp(0.82rem, min(2.7vw, 2.7dvh), 1.2rem);
  line-height: 1.35;
}

.menuHelp {
  font-weight: 900;
}

.shapePicker {
  margin: clamp(0.35rem, 1.7dvh, 1rem) auto 0;
  max-width: 620px;
}

.shapePickerTitle {
  margin-bottom: clamp(0.32rem, 1.2dvh, 0.55rem) !important;
  font-size: clamp(0.78rem, min(2.4vw, 2.5dvh), 1.05rem) !important;
  font-weight: 1000;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.shapeChoiceGrid {
  --shape-tile-size: clamp(52px, min(20vw, 15dvh), 112px);
  display: grid;
  grid-template-columns: repeat(4, var(--shape-tile-size));
  justify-content: center;
  gap: clamp(0.35rem, min(1.6vw, 1.5dvh), 0.7rem);
}

.shapeChoice {
  position: relative;
  aspect-ratio: 1;
  width: var(--shape-tile-size);
  min-height: 0;
  display: grid;
  place-items: center;
  padding: clamp(0.18rem, 0.8dvh, 0.35rem);
  border: 1px solid rgba(255,255,255,0.24);
  border-radius: clamp(7px, 2vw, 10px);
  color: white;
  background:
    radial-gradient(circle at 50% 42%, var(--shape-glow), rgba(255,255,255,0) 54%),
    linear-gradient(180deg, rgba(255,255,255,0.18), rgba(255,255,255,0.08));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.26), 0 10px 22px rgba(0,0,0,0.18);
  overflow: hidden;
  line-height: 1;
}

.shapeChoice::before {
  content: "";
  position: absolute;
  inset: clamp(4px, 1.2vw, 8px);
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.18);
  pointer-events: none;
}

.shapeChoiceIcon {
  position: relative;
  width: 88%;
  height: 88%;
  filter: drop-shadow(0 0 10px var(--shape-glow)) drop-shadow(0 10px 16px rgba(0,0,0,0.28));
}

.shapeCore {
  fill: var(--shape);
  stroke: rgba(255,255,255,0.92);
  stroke-width: clamp(4px, 0.8vw, 5px);
  stroke-linejoin: round;
}

.shapeChoice.is-selected {
  background:
    radial-gradient(circle at 50% 42%, var(--shape-glow), rgba(255,255,255,0) 58%),
    linear-gradient(180deg, #ffffff, #ffd166);
  box-shadow: 0 6px 0 #c98d16, 0 14px 26px rgba(0,0,0,0.2);
}

.practiceMenuBtn {
  pointer-events: auto;
  min-width: 78px;
  padding: 0.56rem 0.8rem;
  border-radius: 999px;
  font-size: clamp(0.78rem, 2.1vw, 0.95rem);
  box-shadow: 0 6px 0 #c98d16, 0 12px 20px rgba(0,0,0,0.18);
}

.howTo {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
  margin: 1.05rem 0;
}

.tip {
  min-height: 94px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  border-radius: 22px;
  padding: 0.65rem;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.16);
  font-weight: 800;
}

.tip span:first-child {
  font-size: 2rem;
  filter: drop-shadow(0 5px 0 rgba(0,0,0,0.16));
}

.tip span:last-child {
  font-size: clamp(0.78rem, 2vw, 0.92rem);
  opacity: 0.88;
}

.buttonRow {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(0.45rem, 1.5dvh, 0.75rem);
  margin-top: clamp(0.5rem, 1.8dvh, 1rem);
}

button {
  border: none;
  border-radius: 999px;
  padding: 0.8rem 1.2rem;
  color: #17203f;
  background: linear-gradient(180deg, #fff, #ffd166);
  box-shadow: 0 9px 0 #c98d16, 0 18px 25px rgba(0,0,0,0.2);
  font-family: inherit;
  font-weight: 1000;
  font-size: clamp(0.95rem, 2.6vw, 1.15rem);
  cursor: pointer;
  transform: translateY(0);
  transition: transform .08s ease, box-shadow .08s ease, filter .12s ease;
}

button:hover { filter: brightness(1.05); }
button:active {
  transform: translateY(7px);
  box-shadow: 0 2px 0 #c98d16, 0 8px 14px rgba(0,0,0,0.18);
}

button.secondary {
  color: white;
  background: linear-gradient(180deg, rgba(255,255,255,0.27), rgba(255,255,255,0.12));
  box-shadow: 0 9px 0 rgba(0,0,0,0.22), 0 18px 25px rgba(0,0,0,0.16);
  border: 1px solid rgba(255,255,255,0.18);
}

#messageToast {
  position: fixed;
  left: 50%;
  top: 82px;
  z-index: 8;
  transform: translateX(-50%);
  max-width: min(92vw, 620px);
  padding: 0.65rem 0.95rem;
  border-radius: 999px;
  background: rgba(0,0,0,0.34);
  border: 1px solid rgba(255,255,255,0.22);
  backdrop-filter: blur(12px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.18);
  text-align: center;
  font-size: clamp(0.82rem, 2.5vw, 1.08rem);
  font-weight: 900;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .25s;
}

#messageToast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(6px);
}

#touchControls {
  position: fixed;
  inset: auto 0 max(0.55rem, env(safe-area-inset-bottom)) 0;
  z-index: 7;
  display: none;
  justify-content: space-between;
  align-items: flex-end;
  padding: 0 0.75rem;
  pointer-events: none;
}

.controlPad {
  display: flex;
  gap: 0.6rem;
  pointer-events: auto;
}

.roundBtn {
  width: clamp(58px, 15vw, 84px);
  height: clamp(58px, 15vw, 84px);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: clamp(1.5rem, 6vw, 2.35rem);
  color: white;
  background: rgba(255,255,255,0.17);
  border: 1px solid rgba(255,255,255,0.25);
  box-shadow: 0 12px 25px rgba(0,0,0,0.18), inset 0 1px 0 rgba(255,255,255,0.24);
  backdrop-filter: blur(12px);
}

.pulse {
  animation: pulse 1.1s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}

.hidden { display: none !important; }

@media (max-width: 760px) {
  header {
    grid-template-columns: 1fr;
    gap: 0.45rem;
    padding-bottom: 0.4rem;
  }
  .hud { justify-content: flex-start; }
  .pill { min-width: auto; padding-inline: 0.52rem; }
  .howTo { grid-template-columns: 1fr; }
  .shapeChoiceGrid { --shape-tile-size: clamp(48px, min(19.5vw, 14dvh), 88px); }
  #touchControls { display: flex; }
  #messageToast { top: 124px; }
  canvas { cursor: default; }
}

@media (max-width: 360px) {
  .card { width: min(98vw, 720px); }
  .shapeChoiceGrid { --shape-tile-size: clamp(42px, 18vw, 62px); }
  .shapeChoiceIcon { width: 90%; height: 90%; }
}

@media (max-height: 520px) {
  .overlay { padding: 0.35rem; }
  .card h2 { font-size: clamp(1.35rem, min(5.2vw, 7dvh), 2.5rem); }
  .howTo { display: none; }
  .shapeChoiceGrid {
    --shape-tile-size: clamp(38px, min(13.5vw, 12dvh), 64px);
    gap: 0.32rem;
  }
  .shapePicker { margin-top: 0.3rem; }
  .shapePickerTitle { margin-bottom: 0.28rem !important; }
  .card { padding: clamp(0.5rem, 2dvh, 1rem); }
  .buttonRow { margin-top: 0.45rem; }
  #messageToast { top: 72px; }
}