:root {
  --bg: #05070d;
  --panel: rgba(8, 12, 24, 0.92);
  --cyan: #3de0ff;
  --magenta: #ff3d6a;
  --gold: #ffc14a;
  --hp: linear-gradient(90deg, #c62828, #ff7043 40%, #ffd54f 90%);
  --flux: linear-gradient(90deg, #1565c0, #29b6f6 50%, #b3e5fc);
  --sa: linear-gradient(90deg, #6a1b9a, #e040fb 60%, #f8bbd9);
  --text: #f0f6ff;
  --muted: #7a93a8;
  --line: rgba(61, 224, 255, 0.28);
  --font-display: "Orbitron", system-ui, sans-serif;
  --font-body: "Rajdhani", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { width: 100%; height: 100%; overflow: hidden; background: var(--bg); color: var(--text); font-family: var(--font-body); }
#app { width: 100%; height: 100%; position: relative; }

.screen {
  position: absolute; inset: 0; display: none;
  align-items: center; justify-content: center; flex-direction: column;
  background:
    radial-gradient(ellipse at 15% 0%, rgba(61, 224, 255, 0.14), transparent 45%),
    radial-gradient(ellipse at 85% 100%, rgba(255, 61, 106, 0.16), transparent 42%),
    linear-gradient(180deg, #080c18 0%, #05070d 100%);
}
.screen.active { display: flex; }
#screen-fight.active {
  background: #05070f;
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
#game-canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  display: block;
  z-index: 1;
  background: #0a0c18;
}
#screen-fight .hud { z-index: 5; }
#screen-fight .overlay { z-index: 20; }

.bg-orbs {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(circle at 30% 40%, rgba(61, 224, 255, 0.1), transparent 28%),
    radial-gradient(circle at 70% 55%, rgba(255, 61, 106, 0.12), transparent 30%);
  animation: drift 12s ease-in-out infinite alternate;
}
@keyframes drift {
  from { transform: scale(1); }
  to { transform: scale(1.06) translateY(-10px); }
}

.title-panel { position: relative; z-index: 1; text-align: center; padding: 2rem; max-width: 920px; }
.brand-row { display: flex; flex-direction: column; align-items: center; gap: 0.35rem; margin-bottom: 1.1rem; }
.brand-note { font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.brand-logo.studio-logo { height: 48px; width: auto; }
.brand-logo.game-logo {
  width: min(92vw, 640px); height: auto;
  filter: drop-shadow(0 0 28px rgba(61, 224, 255, 0.4));
}
.brand-logo.game-logo.small { width: min(48vw, 260px); margin-bottom: 0.4rem; }
.tagline {
  margin-top: 0.7rem; font-size: 1.1rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--muted);
}
.title-actions { margin-top: 2rem; display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.disclaimer {
  margin: 1.6rem auto 0; font-size: 0.85rem; color: var(--muted);
  max-width: 520px; line-height: 1.45;
}
.version {
  position: absolute; bottom: 1rem; right: 1.25rem;
  font-size: 0.72rem; color: var(--muted); letter-spacing: 0.1em;
}

.btn {
  font-family: var(--font-display); font-size: 0.82rem; letter-spacing: 0.14em;
  padding: 0.9rem 1.55rem; border-radius: 3px; border: 1px solid var(--line);
  cursor: pointer; text-transform: uppercase;
  transition: transform 0.12s, box-shadow 0.12s, background 0.12s;
}
.btn:disabled { opacity: 0.35; cursor: not-allowed; }
.btn.primary {
  background: linear-gradient(135deg, rgba(61, 224, 255, 0.28), rgba(255, 61, 106, 0.32));
  color: var(--text); border-color: rgba(61, 224, 255, 0.55);
  box-shadow: 0 0 24px rgba(61, 224, 255, 0.18);
}
.btn.primary:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 0 36px rgba(61, 224, 255, 0.35); }
.btn.ghost { background: transparent; color: var(--text); }
.btn.ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn.tiny { padding: 0.45rem 0.8rem; font-size: 0.68rem; }

.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 2rem; backdrop-filter: blur(14px); text-align: center;
  max-width: 520px; width: min(92vw, 520px);
  display: flex; flex-direction: column; gap: 0.85rem; align-items: center;
}
.panel.wide { max-width: 960px; width: min(95vw, 960px); text-align: left; }
.panel h2 { font-family: var(--font-display); letter-spacing: 0.16em; font-size: 1.35rem; }
.howto-lead { color: var(--muted); margin: 0.4rem 0 1rem; line-height: 1.45; }
.howto-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem; margin-bottom: 1.4rem;
}
.howto-grid h3 {
  font-family: var(--font-display); font-size: 0.75rem;
  letter-spacing: 0.12em; color: var(--cyan); margin-bottom: 0.45rem;
}
.howto-grid ul { list-style: none; color: var(--muted); line-height: 1.55; }
kbd {
  display: inline-block; min-width: 1.35em; padding: 0.08em 0.35em; margin: 0 0.08em;
  border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px;
  background: rgba(255,255,255,0.05); color: var(--text);
  font-family: var(--font-display); font-size: 0.72rem;
}

#screen-select { justify-content: flex-start; padding: 1.25rem 1rem 1rem; overflow: auto; }
.select-header { text-align: center; margin-bottom: 0.85rem; }
.select-header h2 { font-family: var(--font-display); letter-spacing: 0.18em; font-size: 1.25rem; }
.select-header .sub { color: var(--muted); letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.85rem; }

.char-grid {
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.6rem; width: min(96vw, 1040px); margin: 0 auto;
}
@media (max-width: 900px) { .char-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.char-card {
  border: 1px solid var(--line); border-radius: 8px; background: rgba(10, 14, 28, 0.92);
  padding: 0.55rem; cursor: pointer; text-align: center;
  transition: border-color 0.12s, transform 0.12s, box-shadow 0.12s;
}
.char-card:hover { border-color: var(--cyan); transform: translateY(-2px); }
.char-card.selected {
  border-color: var(--gold);
  box-shadow: 0 0 22px rgba(255, 193, 74, 0.3);
}
.char-swatch {
  height: 110px; border-radius: 6px; margin-bottom: 0.45rem;
  position: relative; overflow: hidden;
  background-color: #0a0e18 !important;
  box-shadow: inset 0 -20px 30px rgba(0,0,0,0.55);
}
.char-card h4 { font-family: var(--font-display); font-size: 0.72rem; letter-spacing: 0.1em; }
.char-card .archetype { font-size: 0.72rem; color: var(--muted); }

.select-footer {
  width: min(96vw, 1040px); margin: 1.1rem auto 0;
  display: grid; grid-template-columns: 1.5fr auto auto auto; gap: 0.85rem; align-items: center;
}
@media (max-width: 800px) { .select-footer { grid-template-columns: 1fr; } }

.char-detail {
  text-align: left; background: var(--panel); border: 1px solid var(--line);
  border-radius: 8px; padding: 0.95rem 1.1rem;
}
.char-detail h3 { font-family: var(--font-display); letter-spacing: 0.12em; color: var(--gold); }
.char-detail p { color: var(--muted); line-height: 1.4; margin-top: 0.25rem; }
.moves-line { color: var(--cyan) !important; font-size: 0.9rem; }

.difficulty-block { display: flex; flex-direction: column; gap: 0.3rem; text-align: left; }
.difficulty-block label {
  font-family: var(--font-display); font-size: 0.62rem; letter-spacing: 0.14em; color: var(--muted);
}
.difficulty-block select {
  font-family: var(--font-display); background: #0c1220; color: var(--text);
  border: 1px solid var(--line); border-radius: 6px; padding: 0.6rem 0.75rem; letter-spacing: 0.1em;
}

#screen-vs { background: #02040a; }
.vs-row { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; justify-content: center; }
.vs-card { width: min(40vw, 280px); text-align: center; }
.vs-portrait {
  height: 200px; border-radius: 10px; border: 2px solid var(--line);
  margin-bottom: 0.7rem; box-shadow: 0 0 48px rgba(61, 224, 255, 0.22);
}
.vs-card h2 { font-family: var(--font-display); letter-spacing: 0.14em; }
.vs-card span { color: var(--muted); letter-spacing: 0.14em; font-size: 0.8rem; display: block; margin-top: 0.2rem; }
.vs-diff { color: var(--gold) !important; margin-top: 0.4rem !important; }
.vs-mark {
  font-family: var(--font-display); font-size: clamp(2.5rem, 8vw, 4.5rem); font-weight: 900;
  background: linear-gradient(180deg, var(--cyan), var(--magenta));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.vs-stage { margin-top: 2rem; letter-spacing: 0.28em; color: var(--muted); font-size: 0.82rem; }

/* ===== SF6-style battle HUD ===== */
.hud { position: absolute; inset: 0; pointer-events: none; z-index: 5; }
.hud.hidden { display: none; }

.hud-top.sf6 {
  display: grid; grid-template-columns: 1fr auto 1fr;
  gap: 0.75rem; padding: 0.75rem 0.9rem 0; align-items: start;
}

.portrait-name { display: flex; gap: 0.55rem; align-items: flex-start; }
.portrait-name.rev { flex-direction: row; justify-content: flex-end; }
.portrait {
  width: 52px; height: 52px; border-radius: 4px;
  border: 2px solid rgba(255,255,255,0.25);
  box-shadow: 0 0 12px rgba(0,0,0,0.5); flex-shrink: 0;
}

.nameplate {
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--font-display); font-size: 0.78rem; letter-spacing: 0.1em; margin-bottom: 0.2rem;
}
.fighter-hud.right .nameplate { flex-direction: row-reverse; }
.rounds { color: var(--gold); font-size: 0.7rem; }

.bar-track {
  height: 16px; background: rgba(0,0,0,0.62); border: 1px solid rgba(255,255,255,0.14);
  border-radius: 2px; overflow: hidden; margin-bottom: 0.22rem;
  box-shadow: inset 0 0 8px rgba(0,0,0,0.5);
}
.bar-track.flux { height: 9px; }
.bar-track.sa { height: 8px; flex: 1; }

.bar-fill {
  height: 100%; width: 100%; transform-origin: left center;
  background: var(--hp); transition: width 0.07s linear;
}
.bar-fill.flip { transform-origin: right center; margin-left: auto; }
.bar-fill.flux { background: var(--flux); }
.bar-fill.flux.burnout { background: linear-gradient(90deg, #4a1520, #ff1744); }
.bar-fill.sa { background: var(--sa); }

.sa-row { display: flex; align-items: center; gap: 0.4rem; }
.sa-row.rev { flex-direction: row; }
.stocks {
  font-size: 0.75rem; color: #e040fb; letter-spacing: 0.08em;
  text-shadow: 0 0 8px rgba(224, 64, 251, 0.6); min-width: 3.2em;
}

.hud-center { text-align: center; min-width: 88px; }
#hud-timer {
  font-family: var(--font-display); font-size: 2.1rem; font-weight: 900;
  text-shadow: 0 0 18px rgba(61, 224, 255, 0.55);
}
#hud-round-label { font-size: 0.68rem; letter-spacing: 0.16em; color: var(--muted); }

.announce {
  position: absolute; top: 26%; left: 50%; transform: translateX(-50%);
  font-family: var(--font-display); font-size: clamp(1.8rem, 5.5vw, 3.4rem);
  font-weight: 900; letter-spacing: 0.16em;
  text-shadow: 0 4px 32px rgba(0,0,0,0.85), 0 0 40px rgba(255, 61, 106, 0.35);
  opacity: 0; transition: opacity 0.12s; white-space: nowrap; pointer-events: none;
  color: #fff;
}
.announce.show { opacity: 1; }

.combo-counter {
  position: absolute; right: 8%; top: 38%;
  font-family: var(--font-display); font-size: 1.4rem; font-weight: 900;
  color: var(--gold); letter-spacing: 0.1em;
  text-shadow: 0 0 16px rgba(255, 193, 74, 0.6);
  opacity: 0; transition: opacity 0.12s; pointer-events: none;
}
.combo-counter.show { opacity: 1; }

.hud-bottom {
  position: absolute; left: 0; right: 0; bottom: 0.65rem;
  display: flex; justify-content: space-between; align-items: center;
  padding: 0 0.9rem; pointer-events: none;
}
.hud-bottom .btn { pointer-events: auto; }
.lane-hint {
  display: flex; gap: 1.1rem; font-size: 0.8rem; letter-spacing: 0.07em; color: var(--muted);
  background: rgba(0,0,0,0.45); padding: 0.4rem 0.75rem; border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.08);
}
.lane-hint b { color: var(--cyan); }

.overlay {
  position: absolute; inset: 0; background: rgba(0,0,0,0.65);
  display: flex; align-items: center; justify-content: center; z-index: 20; pointer-events: auto;
}
.overlay.hidden { display: none; }

#result-title {
  font-family: var(--font-display); letter-spacing: 0.12em; font-size: 1.6rem;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}