:root {
  --bg: #060816;
  --bg-alt: #0d1228;
  --panel: rgba(10, 16, 38, 0.82);
  --panel-border: rgba(102, 247, 255, 0.2);
  --text: #ebf7ff;
  --muted: #93abc9;
  --cyan: #66f7ff;
  --magenta: #ff4fd8;
  --lime: #b7ff5d;
  --amber: #ffc257;
  --danger: #ff5f7f;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  background:
    radial-gradient(circle at top, rgba(255, 79, 216, 0.16), transparent 28%),
    radial-gradient(circle at 20% 20%, rgba(102, 247, 255, 0.16), transparent 30%),
    linear-gradient(180deg, #0b1020 0%, #04060d 100%);
  color: var(--text);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  padding: 0;
}

.app-shell {
  position: relative;
  width: 100%;
  min-height: var(--app-height, 100dvh);
  margin: 0;
  padding: 0;
  border-radius: 0;
  background:
    radial-gradient(circle at top, rgba(102, 247, 255, 0.08), transparent 32%),
    linear-gradient(180deg, rgba(5, 8, 20, 0.96), rgba(8, 12, 28, 0.98));
  border: 0;
  box-shadow: none;
}

.hud-panel {
  background: rgba(14, 20, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 26px;
  box-shadow: none;
  backdrop-filter: blur(18px);
}

.title-panel {
  display: none;
  position: absolute;
  top: max(12px, env(safe-area-inset-top));
  left: max(12px, env(safe-area-inset-left));
  right: max(12px, env(safe-area-inset-right));
  z-index: 6;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 10vw, 3.5rem);
  line-height: 0.95;
  letter-spacing: 0.06em;
  text-shadow: 0 0 20px rgba(102, 247, 255, 0.3);
}

.tagline {
  max-width: 142px;
  margin: 0;
  color: var(--muted);
  text-align: right;
  font-size: 0.88rem;
  line-height: 1.35;
}

.play-area {
  position: relative;
  min-height: var(--app-height, 100dvh);
}

.canvas-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
  touch-action: none;
  border-radius: 0;
  border: 0;
  background:
    linear-gradient(180deg, rgba(4, 11, 31, 0.95), rgba(2, 6, 18, 0.98)),
    linear-gradient(90deg, rgba(102, 247, 255, 0.08), transparent 50%, rgba(255, 79, 216, 0.1));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 12px 40px rgba(0, 0, 0, 0.35);
  min-height: var(--app-height, 100dvh);
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
}

.scanlines {
  pointer-events: none;
  position: absolute;
  inset: 0;
  background:
    linear-gradient(transparent 0, rgba(255, 255, 255, 0.02) 50%, transparent 100%);
  background-size: 100% 6px;
  mix-blend-mode: screen;
  opacity: 0.28;
}

.side-panel {
  display: none;
  position: absolute;
  left: max(12px, env(safe-area-inset-left));
  right: max(12px, env(safe-area-inset-right));
  bottom: max(12px, env(safe-area-inset-bottom));
  z-index: 6;
  padding: 14px;
  gap: 12px;
  align-content: start;
  max-height: min(42vh, 360px);
  overflow: auto;
}

.pause-button {
  position: absolute;
  top: max(12px, env(safe-area-inset-top));
  right: max(12px, env(safe-area-inset-right));
  z-index: 7;
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: 999px;
  color: var(--text);
  background: rgba(8, 14, 30, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(12px);
}

.pause-button.is-hidden {
  display: none;
}

.stage-intro {
  position: absolute;
  top: max(18px, env(safe-area-inset-top) + 8px);
  left: 50%;
  z-index: 8;
  transform: translateX(-50%);
  max-width: min(86vw, 520px);
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(6, 11, 24, 0.82);
  border: 1px solid rgba(102, 247, 255, 0.2);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(14px);
  text-align: center;
  transition: opacity 180ms ease, transform 180ms ease;
}

.stage-intro.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(-10px);
}

.stage-intro p {
  margin: 0;
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.35;
}

.touch-hint {
  display: none;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(102, 247, 255, 0.12);
  border: 1px solid rgba(102, 247, 255, 0.2);
  color: var(--text);
  font-size: 0.84rem;
  line-height: 1.35;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.stat-card,
.objective-box {
  padding: 12px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.stat-card strong {
  font-size: 1rem;
}

.objective-box ul {
  margin: 0;
  padding-left: 18px;
  color: var(--text);
  line-height: 1.45;
}

.controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

button {
  appearance: none;
  border: 0;
  border-radius: 18px;
  padding: 14px 16px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, opacity 120ms ease;
}

button:hover,
button:focus-visible {
  transform: translateY(-1px);
}

button:active {
  transform: translateY(1px) scale(0.99);
}

.primary-button {
  color: #041118;
  background: linear-gradient(135deg, var(--cyan), #b4fff5);
  box-shadow: 0 10px 24px rgba(102, 247, 255, 0.25);
  grid-column: 1 / -1;
}

.primary-button.is-arming {
  background: linear-gradient(135deg, var(--magenta), #ff96ea);
  box-shadow: 0 0 34px rgba(255, 79, 216, 0.34);
}

.ghost-button {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 0.82rem;
}

.legend span {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.swatch {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  box-shadow: 0 0 14px currentColor;
}

.swatch.normal { color: var(--cyan); background: var(--cyan); }
.swatch.boost { color: var(--lime); background: var(--lime); }
.swatch.sticky { color: var(--amber); background: var(--amber); }
.swatch.breakable { color: var(--magenta); background: var(--magenta); }
.swatch.hazard { color: var(--danger); background: var(--danger); }

.message {
  margin: 0;
  padding: 14px;
  border-radius: 20px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  min-height: 64px;
  line-height: 1.4;
}

body.is-mobile .title-panel {
  top: max(8px, env(safe-area-inset-top));
  padding: 12px 14px;
  gap: 12px;
}

body.is-mobile h1 {
  font-size: clamp(1.65rem, 8vw, 2.4rem);
}

body.is-mobile .tagline {
  max-width: 110px;
  font-size: 0.74rem;
}

body.is-mobile .side-panel {
  left: max(8px, env(safe-area-inset-left));
  right: max(8px, env(safe-area-inset-right));
  bottom: max(8px, env(safe-area-inset-bottom));
  gap: 10px;
  padding: 12px;
  max-height: min(34vh, 290px);
}

body.is-mobile .pause-button {
  top: max(10px, env(safe-area-inset-top));
  right: max(10px, env(safe-area-inset-right));
  width: 44px;
  height: 44px;
}

body.is-mobile .touch-hint {
  display: block;
}

body.is-mobile .stat-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

body.is-mobile .stat-card,
body.is-mobile .objective-box {
  padding: 10px;
}

body.is-mobile .stat-label {
  margin-bottom: 5px;
  font-size: 0.65rem;
}

body.is-mobile .stat-card strong {
  font-size: 0.92rem;
}

body.is-mobile #launchButton {
  display: none;
}

body.is-mobile .controls {
  grid-template-columns: 1fr 1fr;
}

body.is-mobile .legend {
  display: none;
}

body.is-mobile .objective-box ul {
  max-height: 72px;
  overflow: auto;
  padding-right: 6px;
}

body.is-mobile .message {
  min-height: 0;
  padding: 10px 12px;
  font-size: 0.84rem;
}

.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: end;
  justify-content: center;
  padding: 12px;
  background: rgba(3, 6, 14, 0.72);
  backdrop-filter: blur(14px);
  z-index: 20;
}

.overlay.is-hidden {
  display: none;
}

.overlay-card {
  width: 100%;
  max-height: min(82vh, 760px);
  overflow: auto;
  padding: 24px 18px calc(24px + env(safe-area-inset-bottom));
  border-radius: 28px 28px 18px 18px;
  background:
    radial-gradient(circle at top right, rgba(255, 79, 216, 0.16), transparent 35%),
    linear-gradient(180deg, rgba(10, 16, 38, 0.96), rgba(5, 9, 24, 0.98));
  border: 1px solid rgba(102, 247, 255, 0.24);
  box-shadow: var(--shadow);
}

.title-card {
  max-width: 560px;
  margin: auto;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 20px;
}

.intro-card {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(102, 247, 255, 0.14);
}

.overlay-card h2 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 4vw, 3rem);
}

.tutorial-overlay {
  align-items: center;
  padding: 20px;
  background: rgba(3, 6, 14, 0.52);
}

.tutorial-card {
  max-width: 720px;
  max-height: min(72vh, 680px);
  border-radius: 28px;
  padding-bottom: 24px;
}

.tutorial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.tutorial-item {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(102, 247, 255, 0.14);
}

.tutorial-icon {
  position: relative;
  width: 72px;
  height: 72px;
  margin-bottom: 14px;
  border-radius: 18px;
  background:
    radial-gradient(circle at 35% 30%, rgba(255,255,255,0.12), transparent 28%),
    linear-gradient(180deg, rgba(18, 28, 55, 0.95), rgba(8, 13, 28, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.tutorial-icon::before,
.tutorial-icon::after {
  content: "";
  position: absolute;
}

.tutorial-icon[data-type="reflect"]::before,
.tutorial-icon[data-type="boost"]::before,
.tutorial-icon[data-type="sticky"]::before,
.tutorial-icon[data-type="breakable"]::before,
.tutorial-icon[data-type="hazard"]::before {
  top: 14px;
  bottom: 14px;
  left: 31px;
  width: 10px;
  border-radius: 999px;
}

.tutorial-icon[data-type="reflect"]::before {
  background: #00f3ff;
  box-shadow: 0 0 16px rgba(0, 243, 255, 0.7);
}

.tutorial-icon[data-type="boost"]::before {
  background: #b7ff5d;
  box-shadow: 0 0 16px rgba(183, 255, 93, 0.7);
}

.tutorial-icon[data-type="sticky"]::before {
  background: #ffc257;
  box-shadow: 0 0 16px rgba(255, 194, 87, 0.7);
}

.tutorial-icon[data-type="breakable"]::before {
  background: #ff4fd8;
  box-shadow: 0 0 16px rgba(255, 79, 216, 0.7);
}

.tutorial-icon[data-type="hazard"]::before {
  background: #ff5f7f;
  box-shadow: 0 0 16px rgba(255, 95, 127, 0.7);
}

.tutorial-icon[data-type="goal"]::before {
  inset: 14px;
  border-radius: 16px;
  border: 2px solid #7cf0ff;
  box-shadow: 0 0 18px rgba(124, 240, 255, 0.5);
}

.tutorial-icon[data-type="pickup"]::before,
.tutorial-icon[data-type="target"]::before,
.tutorial-icon[data-type="drop"]::before,
.tutorial-icon[data-type="ball"]::before {
  top: 18px;
  left: 18px;
  width: 36px;
  height: 36px;
  border-radius: 999px;
}

.tutorial-icon[data-type="pickup"]::before {
  background: radial-gradient(circle at 35% 35%, #fbffcf, #ecff8d 62%, #426d32);
  box-shadow: 0 0 18px rgba(236, 255, 141, 0.55);
}

.tutorial-icon[data-type="pickup"]::after {
  top: 17px;
  left: 35px;
  width: 2px;
  height: 38px;
  background: rgba(255,255,255,0.85);
  box-shadow: -9px 18px 0 0 rgba(255,255,255,0.85), 9px 18px 0 0 rgba(255,255,255,0.85);
  transform: rotate(90deg);
}

.tutorial-icon[data-type="target"]::before {
  background: radial-gradient(circle, rgba(243, 124, 255, 0.35), rgba(243, 124, 255, 0.08));
  border: 2px solid #f37cff;
  box-shadow: 0 0 18px rgba(243, 124, 255, 0.55);
}

.tutorial-icon[data-type="target"]::after {
  inset: 27px;
  border-radius: 999px;
  background: #f37cff;
  box-shadow: 0 0 12px rgba(243, 124, 255, 0.7);
}

.tutorial-icon[data-type="drop"]::before {
  background: linear-gradient(135deg, #ffd28e, #ffa45f 55%, #a65d30);
  border-radius: 12px;
  transform: rotate(45deg);
  box-shadow: 0 0 16px rgba(255, 164, 95, 0.45);
}

.tutorial-icon[data-type="drop"]::after {
  top: 35px;
  left: 18px;
  width: 36px;
  height: 2px;
  background: rgba(68, 29, 8, 0.8);
  box-shadow: 0 -9px 0 0 rgba(68, 29, 8, 0.8), 0 9px 0 0 rgba(68, 29, 8, 0.8);
}

.tutorial-icon[data-type="ball"]::before {
  background: radial-gradient(circle at 35% 35%, #ffffff, #dffaff 55%, #6ab8ff);
  box-shadow: 0 0 18px rgba(0, 243, 255, 0.45);
}

.tutorial-icon[data-type="ball"]::after {
  top: 12px;
  left: 12px;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  border: 3px solid rgba(0, 162, 255, 0.82);
}

.tutorial-item h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.tutorial-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.overlay-copy {
  margin: 0 0 20px;
  color: var(--muted);
  max-width: 620px;
}

.shop-bank {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.result-bank {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.shop-bank-card,
.upgrade-card,
.upgrade-status {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(102, 247, 255, 0.14);
}

.shop-grid {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(260px, 280px);
  gap: 14px;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 6px;
  scroll-snap-type: x proximity;
}

.upgrade-card {
  display: grid;
  gap: 16px;
  scroll-snap-align: start;
}

.loadout-panel,
.shop-note {
  margin-top: 16px;
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(102, 247, 255, 0.14);
}

.workshop-card {
  max-width: 1180px;
}

.workshop-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(260px, 320px);
  gap: 18px;
  align-items: start;
  margin-top: 16px;
}

.workshop-main {
  display: grid;
  gap: 14px;
}

.workshop-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.workshop-tool {
  flex: 0 0 auto;
}

.workshop-tool.is-active {
  background: rgba(102, 247, 255, 0.16);
  border-color: rgba(102, 247, 255, 0.34);
}

.workshop-canvas-wrap {
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(102, 247, 255, 0.16);
  background:
    linear-gradient(180deg, rgba(4, 11, 31, 0.95), rgba(2, 6, 18, 0.98)),
    linear-gradient(90deg, rgba(102, 247, 255, 0.08), transparent 50%, rgba(255, 79, 216, 0.1));
}

#workshopCanvas {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 960 / 640;
  touch-action: none;
}

.workshop-panel {
  display: grid;
  gap: 14px;
}

.workshop-field {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(102, 247, 255, 0.14);
}

.workshop-input-field {
  width: 100%;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(102, 247, 255, 0.18);
  background: rgba(5, 10, 24, 0.88);
  color: var(--text);
  font: inherit;
}

.workshop-input-field:focus {
  outline: 1px solid rgba(102, 247, 255, 0.35);
  border-color: rgba(102, 247, 255, 0.35);
}

.workshop-check {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 0.94rem;
}

.workshop-selection {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.workshop-note {
  margin-top: 0;
}

.workshop-status {
  margin-top: 16px;
  min-height: 0;
}

.shop-empty {
  min-width: min(340px, 100%);
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px dashed rgba(102, 247, 255, 0.2);
  color: var(--muted);
  line-height: 1.45;
}

.loadout-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.equipped-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.equipped-chip {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(102, 247, 255, 0.12);
  border: 1px solid rgba(102, 247, 255, 0.22);
  color: var(--text);
  font-size: 0.88rem;
}

.equipped-chip.is-empty {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.08);
  color: var(--muted);
}

.upgrade-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 0.82rem;
}

.upgrade-pill {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.upgrade-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(102, 247, 255, 0.18), rgba(255, 194, 87, 0.18));
  border: 1px solid rgba(102, 247, 255, 0.18);
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.upgrade-head {
  display: flex;
  gap: 14px;
  align-items: start;
}

.upgrade-name {
  display: block;
  margin-bottom: 8px;
  font-size: 1.05rem;
  font-weight: 700;
}

.upgrade-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.upgrade-footer,
.overlay-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.overlay-actions .primary-button {
  width: 100%;
}

.shop-button {
  color: #041118;
  background: linear-gradient(135deg, var(--lime), #f3ff93);
}

.shop-button[disabled],
.ghost-button[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.upgrade-status {
  margin-top: 16px;
  color: var(--text);
}

@media (max-width: 980px) {
  body {
    padding: 0;
  }

  .app-shell {
    min-height: 100vh;
  }

  .title-panel {
    align-items: center;
  }

  .tagline {
    text-align: right;
  }

  .side-panel {
    max-height: min(46vh, 420px);
  }

  .shop-bank,
  .stat-grid {
    grid-template-columns: 1fr;
  }

  .intro-grid,
  .result-bank,
  .tutorial-grid {
    grid-template-columns: 1fr 1fr;
  }

  .overlay-card {
    padding: 20px;
  }

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

  .workshop-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .tutorial-grid {
    grid-template-columns: 1fr;
  }
}