:root {
  --void: #090713;
  --stone: #171421;
  --panel: rgba(16, 13, 27, 0.86);
  --panel-strong: rgba(24, 18, 38, 0.94);
  --rune: #9d5cff;
  --arcane: #41d9ff;
  --ember: #ff9b3d;
  --gold: #ffd36a;
  --venom: #52f2a6;
  --danger: #ff4f6f;
  --text: #f5ecff;
  --muted: #b9a9cc;
  --line: rgba(255, 255, 255, 0.16);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: radial-gradient(circle at 50% 45%, #1b1530 0%, var(--void) 66%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  user-select: none;
  touch-action: none;
}

button,
input,
select {
  font: inherit;
}

.noscript {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--void);
  color: var(--text);
}

.game-shell {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    radial-gradient(circle at 20% 20%, rgba(255, 155, 61, 0.12), transparent 24%),
    radial-gradient(circle at 82% 70%, rgba(65, 217, 255, 0.10), transparent 28%),
    var(--void);
  background-size: 32px 32px, 32px 32px, auto, auto, auto;
}

#gameCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  image-rendering: auto;
}

.overlay,
.hud,
.mobile-controls,
.fps-meter {
  position: absolute;
  z-index: 5;
}

.overlay {
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
}

.screen {
  width: min(540px, calc(100vw - 24px));
  max-height: calc(100vh - 32px);
  overflow: auto;
  pointer-events: auto;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(157, 92, 255, 0.16), transparent 34%),
    linear-gradient(225deg, rgba(255, 155, 61, 0.12), transparent 36%),
    var(--panel);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55), 0 0 32px rgba(157, 92, 255, 0.14);
  backdrop-filter: blur(16px);
}

.menu-screen {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.brand-row,
.hud-row,
.boss-label,
.summary-grid,
.record-grid,
.control-grid {
  display: grid;
  gap: 10px;
}

.brand-row {
  grid-template-columns: 1fr auto;
  align-items: center;
}

.brand-chip,
.profile-chip,
.record-badge {
  width: fit-content;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--gold);
  background: rgba(255, 211, 106, 0.08);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(44px, 9vw, 82px);
  line-height: 0.9;
  letter-spacing: 0;
  text-shadow: 0 0 18px rgba(157, 92, 255, 0.5), 0 0 34px rgba(65, 217, 255, 0.25);
}

h2 {
  font-size: clamp(28px, 6vw, 42px);
  line-height: 1.02;
  letter-spacing: 0;
}

.subtitle {
  color: var(--muted);
  font-size: 18px;
}

.record-grid {
  grid-template-columns: repeat(3, 1fr);
}

.record-grid div,
.summary-grid {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(6, 5, 12, 0.42);
}

.record-grid span,
.summary-grid span,
.control-grid span {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.record-grid strong,
.summary-grid strong {
  display: block;
  margin-top: 4px;
  color: var(--text);
  font-size: 22px;
}

.menu-actions,
.pause-screen,
.gameover-screen {
  display: grid;
  gap: 10px;
}

.primary-btn,
.secondary-btn,
.icon-btn,
.touch-btn,
.touch-mini {
  border: 1px solid var(--line);
  color: var(--text);
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
}

.primary-btn,
.secondary-btn {
  min-height: 48px;
  border-radius: 8px;
  padding: 12px 16px;
  font-weight: 800;
}

.primary-btn {
  background: linear-gradient(135deg, var(--rune), var(--arcane));
  color: #080611;
  box-shadow: 0 0 28px rgba(65, 217, 255, 0.24);
}

.secondary-btn {
  background: rgba(255, 255, 255, 0.07);
}

.primary-btn:hover,
.secondary-btn:hover,
.icon-btn:hover,
.touch-btn:active {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.36);
  box-shadow: 0 0 24px rgba(157, 92, 255, 0.24);
}

.hud {
  inset: 0 0 auto 0;
  padding: max(10px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) 0 max(10px, env(safe-area-inset-left));
  pointer-events: none;
}

.hud-row.top {
  grid-template-columns: minmax(150px, 1fr) auto minmax(150px, 1fr);
  align-items: start;
}

.hud-cluster,
.boss-bar,
.buff-hud span,
.fps-meter {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(6, 5, 12, 0.54);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(10px);
}

.hud-cluster {
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
}

.health-panel {
  justify-self: start;
}

.stat-line {
  justify-self: center;
  color: var(--gold);
  font-weight: 900;
}

.status-line {
  justify-self: end;
  max-width: min(360px, 42vw);
}

#objectiveHud {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hearts {
  display: flex;
  gap: 4px;
}

.heart {
  width: 18px;
  height: 18px;
  position: relative;
  transform: rotate(45deg);
  background: var(--danger);
  box-shadow: 0 0 14px rgba(255, 79, 111, 0.5);
}

.heart::before,
.heart::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: inherit;
}

.heart::before { left: -9px; }
.heart::after { top: -9px; }
.heart.empty {
  background: rgba(255, 255, 255, 0.16);
  box-shadow: none;
}

.shield-hud {
  color: var(--arcane);
  font-weight: 800;
}

.icon-btn {
  pointer-events: auto;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 900;
}

.boss-bar {
  width: min(640px, calc(100vw - 22px));
  margin: 10px auto 0;
  padding: 8px 10px;
}

.boss-label {
  grid-template-columns: 1fr auto;
  margin-bottom: 6px;
  color: var(--gold);
  font-weight: 900;
  text-transform: uppercase;
}

.boss-track {
  height: 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.13);
  overflow: hidden;
}

.boss-fill {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--danger), var(--ember), var(--gold));
  box-shadow: 0 0 18px rgba(255, 79, 111, 0.54);
}

.buff-hud {
  left: max(10px, env(safe-area-inset-left));
  top: 74px;
  display: flex;
  gap: 8px;
}

.buff-hud span {
  padding: 6px 9px;
  color: var(--arcane);
  font-size: 12px;
}

.info-screen,
.settings-screen,
.intro-screen,
.upgrade-screen {
  display: grid;
  gap: 16px;
}

.control-grid,
.summary-grid {
  grid-template-columns: auto 1fr;
  align-items: center;
}

.settings-screen label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 700;
}

.settings-screen input,
.settings-screen select {
  min-height: 38px;
  accent-color: var(--arcane);
}

.toggle-line {
  grid-template-columns: auto 1fr;
  align-items: center;
}

.hero-preview {
  width: min(220px, 48vw);
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 68%, rgba(255, 211, 106, 0.25), transparent 17%),
    radial-gradient(circle at 50% 40%, rgba(157, 92, 255, 0.58), transparent 34%),
    radial-gradient(circle, rgba(65, 217, 255, 0.20), transparent 68%);
}

.hero-preview span {
  width: 72px;
  height: 92px;
  border-radius: 40px 40px 16px 16px;
  background: linear-gradient(#171421, #0d0b17);
  box-shadow: 0 0 30px var(--rune), 18px 28px 0 -8px var(--danger), -18px 28px 0 -8px var(--arcane);
  animation: idleBob 1.4s ease-in-out infinite;
}

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

.upgrade-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.upgrade-card {
  min-height: 190px;
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.035));
  color: var(--text);
  text-align: left;
}

.upgrade-card .icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(65, 217, 255, 0.12);
  box-shadow: 0 0 24px rgba(65, 217, 255, 0.2);
}

.upgrade-card strong {
  font-size: 18px;
}

.upgrade-card p {
  color: var(--muted);
  font-size: 13px;
}

.upgrade-card.common { border-color: rgba(82, 242, 166, 0.36); }
.upgrade-card.rare { border-color: rgba(65, 217, 255, 0.5); }
.upgrade-card.epic { border-color: rgba(157, 92, 255, 0.62); }
.upgrade-card.legendary { border-color: rgba(255, 211, 106, 0.72); }

.boss-intro {
  position: absolute;
  inset: 0;
  z-index: 8;
  display: grid;
  place-content: center;
  gap: 8px;
  text-align: center;
  pointer-events: none;
  background: radial-gradient(circle, rgba(157, 92, 255, 0.18), rgba(9, 7, 19, 0.72));
  animation: bossPulse 1s ease infinite alternate;
}

.boss-intro span {
  color: var(--gold);
  font-weight: 900;
  letter-spacing: 0.16em;
}

.boss-intro strong {
  font-size: clamp(34px, 8vw, 70px);
  text-shadow: 0 0 24px rgba(255, 79, 111, 0.58);
}

.boss-intro em {
  color: var(--muted);
  font-style: normal;
}

@keyframes bossPulse {
  from { opacity: 0.86; }
  to { opacity: 1; }
}

.mobile-controls {
  inset: 0;
  pointer-events: none;
  opacity: var(--mobile-opacity, 0.82);
}

.joystick {
  position: absolute;
  left: max(20px, env(safe-area-inset-left));
  bottom: max(22px, env(safe-area-inset-bottom));
  width: 120px;
  height: 120px;
  border: 2px solid rgba(65, 217, 255, 0.46);
  border-radius: 50%;
  background: rgba(6, 5, 12, 0.36);
  box-shadow: 0 0 26px rgba(65, 217, 255, 0.18);
  pointer-events: auto;
}

.joystick-knob {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--arcane), var(--rune));
  transform: translate(-50%, -50%);
}

.touch-btn,
.touch-mini {
  position: absolute;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(12, 10, 24, 0.72);
  font-weight: 1000;
  pointer-events: auto;
  box-shadow: 0 0 28px rgba(157, 92, 255, 0.24);
}

.touch-btn {
  width: 78px;
  height: 78px;
  right: max(22px, env(safe-area-inset-right));
  bottom: max(28px, env(safe-area-inset-bottom));
}

.touch-btn.attack {
  color: var(--gold);
  border-color: rgba(255, 211, 106, 0.5);
}

.touch-btn.dash {
  right: max(102px, calc(env(safe-area-inset-right) + 102px));
  bottom: max(22px, env(safe-area-inset-bottom));
  color: var(--arcane);
}

.touch-btn.interact {
  right: max(58px, calc(env(safe-area-inset-right) + 58px));
  bottom: max(116px, calc(env(safe-area-inset-bottom) + 116px));
  width: 62px;
  height: 62px;
  color: var(--venom);
}

.touch-mini {
  top: max(14px, env(safe-area-inset-top));
  left: max(16px, env(safe-area-inset-left));
  width: 42px;
  height: 42px;
  color: var(--arcane);
}

#dashCooldownFill {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: conic-gradient(rgba(65, 217, 255, 0.42) var(--cooldown, 0deg), transparent 0deg);
  z-index: -1;
}

.fps-meter {
  right: 10px;
  bottom: 10px;
  padding: 6px 9px;
  color: var(--venom);
  font-size: 12px;
}

.is-hidden {
  display: none !important;
}

@media (hover: hover) and (pointer: fine) {
  .mobile-controls {
    display: none;
  }
}

/* ── Rotate-to-landscape nudge (touch + portrait only) ─────────────────── */
.rotate-screen {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  align-items: center;
  justify-content: center;
  text-align: center;
  background:
    radial-gradient(circle at 50% 16%, rgba(157, 92, 255, 0.18), transparent 42%),
    radial-gradient(circle at 50% 88%, rgba(65, 217, 255, 0.12), transparent 46%),
    var(--void, #090713);
  color: var(--text, #f4f1ff);
  padding: env(safe-area-inset-top) env(safe-area-inset-right)
           env(safe-area-inset-bottom) env(safe-area-inset-left);
}
@media (orientation: portrait) {
  body.touch-device .rotate-screen { display: flex; }
}
.rotate-phone {
  font-size: clamp(56px, 18vw, 104px);
  filter: drop-shadow(0 6px 18px rgba(157, 92, 255, 0.5));
  animation: rotateHint 2.2s ease-in-out infinite;
}
.rotate-title {
  margin-top: 14px;
  font-size: clamp(22px, 7vw, 36px);
  font-weight: 1000;
  letter-spacing: 0.5px;
  color: var(--gold, #ffd36a);
}
.rotate-sub {
  margin-top: 8px;
  font-size: clamp(13px, 4vw, 17px);
  color: rgba(244, 241, 255, 0.78);
}
@keyframes rotateHint {
  0%, 45%   { transform: rotate(0deg); }
  70%, 100% { transform: rotate(-90deg); }
}

@media (max-width: 720px) {
  .screen {
    padding: 18px;
  }

  .record-grid,
  .upgrade-cards {
    grid-template-columns: 1fr;
  }

  .hud-row.top {
    grid-template-columns: 1fr auto;
    gap: 8px;
  }

  .stat-line {
    grid-column: 1 / 3;
    order: 2;
  }

  .status-line {
    max-width: 52vw;
  }

  .health-panel {
    max-width: 46vw;
    overflow: hidden;
  }
}