:root {
  color-scheme: dark;
  --bg-0: #060912;
  --bg-1: #091222;
  --bg-2: #101f38;
  --panel: rgba(9, 18, 34, 0.72);
  --panel-strong: rgba(7, 14, 28, 0.88);
  --stroke: rgba(162, 205, 255, 0.2);
  --ink: #edf4ff;
  --muted: #99acc9;
  --accent-cyan: #74f1ff;
  --accent-gold: #ffd572;
  --accent-rose: #ff7fb9;
  --accent-red: #ff5f65;
  --success: #8dff9d;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.45);
  --panel-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
  --radius-xl: 30px;
  --radius-md: 18px;
  --radius-sm: 999px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top, rgba(255, 127, 185, 0.16), transparent 34%),
    radial-gradient(circle at 20% 16%, rgba(116, 241, 255, 0.18), transparent 30%),
    linear-gradient(180deg, var(--bg-1), var(--bg-0));
  color: var(--ink);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

body {
  overflow: hidden;
}

button {
  font: inherit;
}

.app-shell {
  position: relative;
  min-height: 100vh;
  padding: 20px;
  overflow: hidden;
}

.frame-glow {
  position: absolute;
  inset: auto;
  width: 38vw;
  height: 38vw;
  border-radius: 50%;
  filter: blur(24px);
  opacity: 0.22;
  pointer-events: none;
}

.frame-glow-left {
  left: -10vw;
  top: -14vw;
  background: radial-gradient(circle, rgba(116, 241, 255, 0.55), transparent 68%);
}

.frame-glow-right {
  right: -12vw;
  bottom: -18vw;
  background: radial-gradient(circle, rgba(255, 127, 185, 0.48), transparent 70%);
}

.topbar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  max-width: 1800px;
  margin: 0 auto 20px;
}

.brand-block h1,
.brand-block p {
  margin: 0;
}

.eyebrow {
  color: var(--accent-gold);
  font-size: 0.84rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.brand-block h1 {
  font-size: clamp(1.9rem, 3.5vw, 3.5rem);
  line-height: 0.92;
  letter-spacing: 0.09em;
}

.subhead {
  margin-top: 10px;
  max-width: 580px;
  color: var(--muted);
}

.topbar-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.chrome-button,
.cta-button {
  border: 1px solid var(--stroke);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    var(--panel-strong);
  padding: 0.82rem 1.2rem;
  cursor: pointer;
  transition:
    transform 140ms ease,
    border-color 140ms ease,
    box-shadow 140ms ease,
    background 140ms ease;
  box-shadow: var(--panel-shadow);
}

.chrome-button:hover,
.cta-button:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 213, 114, 0.46);
  box-shadow:
    0 16px 40px rgba(0, 0, 0, 0.3),
    0 0 24px rgba(255, 213, 114, 0.16);
}

.cta-button {
  background:
    linear-gradient(180deg, rgba(255, 213, 114, 0.28), rgba(255, 95, 101, 0.24)),
    var(--panel-strong);
  padding-inline: 1.7rem;
}

.viewport {
  position: relative;
  z-index: 1;
  max-width: 1800px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  max-height: calc(100vh - 140px);
  min-height: min(68vw, 720px);
  border-radius: 34px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
  background:
    linear-gradient(140deg, rgba(116, 241, 255, 0.06), transparent 26%),
    linear-gradient(180deg, rgba(255, 127, 185, 0.08), transparent 45%),
    #02040a;
}

#gameCanvas {
  width: 100%;
  height: 100%;
  display: block;
  background: transparent;
  cursor: crosshair;
}

.hud,
.overlay {
  position: absolute;
  inset: 0;
}

.hud {
  pointer-events: none;
  padding: 22px;
}

.panel {
  position: absolute;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    var(--panel);
  box-shadow: var(--panel-shadow);
  backdrop-filter: blur(16px);
}

.panel-primary {
  top: 22px;
  left: 22px;
  min-width: 320px;
  padding: 18px;
}

.panel-secondary {
  top: 22px;
  right: 22px;
  min-width: 200px;
  padding: 16px 18px;
}

.panel-abilities {
  left: 22px;
  bottom: 22px;
  display: flex;
  gap: 14px;
  padding: 14px;
}

.boss-panel {
  left: 50%;
  top: 22px;
  transform: translateX(-50%);
  width: min(520px, calc(100% - 44px));
  padding: 14px 18px;
}

.boss-header,
.stat-line,
.ability-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.boss-header {
  margin-bottom: 10px;
}

.boss-name,
.stat-value,
.ability-name {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.boss-phase,
.stat-label,
.ability-state,
.meter-label {
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.74rem;
}

.meter-group + .meter-group,
.stat-line + .stat-line {
  margin-top: 12px;
}

.meter-track {
  position: relative;
  margin-top: 8px;
  width: 100%;
  height: 12px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
}

.meter-track-boss {
  height: 14px;
  background: rgba(255, 95, 101, 0.16);
}

.meter-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 100%;
  border-radius: inherit;
  transition: width 120ms linear;
}

.meter-health {
  background: linear-gradient(90deg, #ff6a6b, #ffc785);
}

.meter-energy {
  background: linear-gradient(90deg, #73f5ff, #b18eff);
}

.meter-boss {
  background: linear-gradient(90deg, #ff5f65, #ffca6c);
}

.message-ribbon {
  position: absolute;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 213, 114, 0.22);
  background: rgba(7, 14, 28, 0.74);
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  box-shadow: var(--panel-shadow);
}

.overlay {
  display: grid;
  place-items: center;
  padding: 28px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
  background: radial-gradient(circle at top, rgba(11, 24, 46, 0.3), rgba(0, 0, 0, 0.58));
}

.overlay-active {
  opacity: 1;
  pointer-events: auto;
}

.overlay-card {
  width: min(100%, 980px);
  border-radius: var(--radius-xl);
  border: 1px solid var(--stroke);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    rgba(4, 10, 19, 0.84);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
  padding: clamp(26px, 5vw, 48px);
}

.title-card {
  animation: rise-in 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

.title-mark h2,
.title-mark p,
.briefing-panel h3,
.briefing-panel p,
.result-card h2 {
  margin: 0;
}

.title-kicker {
  display: inline-block;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.26em;
  font-size: 0.74rem;
}

.title-mark h2,
.result-card h2 {
  margin-top: 12px;
  font-size: clamp(2.8rem, 8vw, 6.2rem);
  line-height: 0.92;
  letter-spacing: 0.06em;
}

.title-copy {
  margin-top: 18px;
  max-width: 720px;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.55;
}

.briefing-grid,
.result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.briefing-panel {
  min-height: 146px;
  padding: 18px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.briefing-panel h3 {
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.84rem;
}

.briefing-panel p {
  color: var(--muted);
  line-height: 1.55;
}

.title-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 28px;
}

.hint-copy {
  color: var(--muted);
  margin: 0;
}

.result-card {
  text-align: center;
}

.result-grid .briefing-panel {
  min-height: auto;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 1080px) {
  .app-shell {
    padding: 14px;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
    margin-bottom: 14px;
  }

  .topbar-actions {
    justify-content: flex-start;
  }

  .viewport {
    min-height: 62vw;
    max-height: calc(100vh - 170px);
  }

  .briefing-grid,
  .result-grid {
    grid-template-columns: 1fr;
  }

  .title-actions {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 820px) {
  body {
    overflow: auto;
  }

  .viewport {
    min-height: 540px;
  }

  .panel-primary,
  .panel-secondary,
  .panel-abilities,
  .boss-panel {
    transform: scale(0.9);
    transform-origin: top left;
  }
}