/* ============================================================
   SHADOW NINJA FIGHT — ULTRA PREMIUM CINEMATIC CSS
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@300;400;500;600;700&family=Orbitron:wght@400;700;900&family=Exo+2:ital,wght@0,100;0,400;0,700;1,400&display=swap');

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --clr-bg:          #050508;
  --clr-panel:       #0d0d18;
  --clr-border:      #1a1a3a;
  --clr-accent:      #c8102e;
  --clr-accent2:     #ff4d00;
  --clr-gold:        #ffd700;
  --clr-energy:      #00cfff;
  --clr-shadow:      rgba(0,0,0,.85);
  --clr-text:        #e0d8ff;
  --clr-text-dim:    #6a6a9a;
  --bar-h:           22px;
  --radius:          8px;
  --glow-red:        0 0 18px rgba(200,16,46,.8), 0 0 40px rgba(200,16,46,.4);
  --glow-gold:       0 0 18px rgba(255,215,0,.8), 0 0 40px rgba(255,215,0,.4);
  --glow-cyan:       0 0 18px rgba(0,207,255,.8), 0 0 40px rgba(0,207,255,.3);
  --font-hud:        'Orbitron', monospace;
  --font-ui:         'Rajdhani', sans-serif;
  --font-body:       'Exo 2', sans-serif;
}

html, body {
  width: 100%; height: 100%;
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font-body);
  overflow: hidden;
  max-width: 100vw;
  max-height: 100vh;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--clr-panel); }
::-webkit-scrollbar-thumb { background: var(--clr-accent); border-radius: 4px; }

/* ── WRAPPER ───────────────────────────────────────────────── */
#game-wrapper {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-bg);
  overflow: hidden;
}

/* Ambient animated gradient background */
#game-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 100%, rgba(180,10,40,.18) 0%, transparent 70%),
              radial-gradient(ellipse 60% 40% at 20% 80%, rgba(80,0,120,.12) 0%, transparent 60%),
              radial-gradient(ellipse 60% 40% at 80% 80%, rgba(0,80,140,.10) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ── CANVAS ────────────────────────────────────────────────── */
#gameCanvas {
  display: block;
  position: relative;
  z-index: 1;
  border: 1px solid rgba(200,16,46,.25);
  box-shadow: 0 0 60px rgba(200,16,46,.15), 0 0 120px rgba(0,0,0,.8), inset 0 0 40px rgba(0,0,0,.4);
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  touch-action: none;
}

/* ── SCREENS ───────────────────────────────────────────────── */
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
  background: rgba(5,5,8,.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: opacity .5s ease;
  overflow: hidden;
}
.screen.hidden { display: none; }

/* ── TITLE SCREEN ──────────────────────────────────────────── */
#title-screen {
  background: radial-gradient(ellipse 120% 100% at 50% 100%, rgba(120,0,30,.5) 0%, transparent 65%),
              radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,0,30,.9) 0%, rgba(5,5,8,1) 55%),
              var(--clr-bg);
  overflow: hidden !important;
  justify-content: flex-start !important;
}
#title-screen::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(5,5,8,.55);
  pointer-events: none;
  z-index: 0;
}

.title-content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  grid-template-rows: 1fr;
  align-items: center;
  padding: 30px 50px;
  gap: 40px;
  box-sizing: border-box;
  overflow: hidden;
}

/* Left column */
.title-left {
  display: flex;
  flex-direction: column;
  gap: 22px;
  align-items: flex-start;
  justify-content: center;
  height: 100%;
}

/* Right column */
.title-right {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 0;
  overflow: hidden;
}

.title-right img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 14px;
  border: 1px solid rgba(200,16,46,.35);
  box-shadow: 0 0 50px rgba(200,16,46,.3), 0 16px 60px rgba(0,0,0,.8);
  display: block;
}

/* Responsive: stack on small screens */
@media (max-width: 700px) {
  .title-content {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    padding: 20px 16px;
    gap: 14px;
  }
  .title-left {
    height: auto;
    gap: 12px;
    align-items: center;
    text-align: center;
  }
  .title-right {
    min-height: 0;
  }
  .title-right img {
    max-height: 38vh;
    object-fit: contain;
  }
}

.game-icon {
  width: 70px;
  height: 70px;
  border-radius: 14px;
  border: 2px solid rgba(200,16,46,.6);
  box-shadow: var(--glow-red), 0 10px 30px rgba(0,0,0,.8);
  animation: iconFloat 3s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes iconFloat {
  0%,100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-12px) scale(1.03); }
}

.game-title {
  font-family: var(--font-hud);
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #ff4d00 0%, #ffd700 40%, #ffffff 60%, #c8102e 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(200,16,46,.8));
  animation: titlePulse 2.5s ease-in-out infinite;
}
@keyframes titlePulse {
  0%,100% { filter: drop-shadow(0 0 20px rgba(200,16,46,.8)); }
  50% { filter: drop-shadow(0 0 40px rgba(255,77,0,1)) drop-shadow(0 0 80px rgba(200,16,46,.6)); }
}

.game-subtitle {
  font-family: var(--font-ui);
  font-size: clamp(0.9rem, 2.5vw, 1.2rem);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
}

/* ── BUTTONS ───────────────────────────────────────────────── */
.btn {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 14px 50px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.15) 0%, transparent 50%);
  border-radius: var(--radius);
  pointer-events: none;
}
.btn:hover { transform: translateY(-3px) scale(1.03); }
.btn:active { transform: translateY(0) scale(.98); }

.btn-primary {
  background: linear-gradient(135deg, #c8102e 0%, #ff4d00 100%);
  color: #fff;
  box-shadow: var(--glow-red), 0 8px 30px rgba(0,0,0,.5);
}
.btn-primary:hover { box-shadow: 0 0 30px rgba(255,77,0,1), 0 0 60px rgba(200,16,46,.6), 0 8px 30px rgba(0,0,0,.5); }

.btn-secondary {
  background: rgba(255,255,255,.05);
  color: var(--clr-text-dim);
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: none;
  font-size: clamp(0.8rem, 2vw, 1rem);
  padding: 10px 30px;
}
.btn-secondary:hover { background: rgba(255,255,255,.1); color: var(--clr-text); }

.btn-gold {
  background: linear-gradient(135deg, #b8860b 0%, #ffd700 50%, #b8860b 100%);
  color: #1a0a00;
  box-shadow: var(--glow-gold);
}
.btn-gold:hover { box-shadow: 0 0 40px rgba(255,215,0,1), 0 0 80px rgba(255,215,0,.5); }

/* ── HUD ───────────────────────────────────────────────────── */
#hud {
  position: absolute;
  top: 0; left: 0; right: 0;
  padding: 12px 16px 8px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  z-index: 5;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(0,0,0,.7) 0%, transparent 100%);
}
#hud.hidden { display: none; }

.hud-player, .hud-enemy {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 200px;
  max-width: 320px;
  flex: 1;
}
.hud-enemy { align-items: flex-end; }

.hud-name {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: clamp(0.7rem, 2vw, 0.95rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-text);
}

.health-bar-wrap {
  width: 100%;
  height: var(--bar-h);
  background: rgba(0,0,0,.7);
  border-radius: 30px;
  border: 1px solid rgba(255,255,255,.12);
  overflow: hidden;
  position: relative;
}
.health-bar-fill {
  height: 100%;
  border-radius: 30px;
  transition: width .25s ease;
  position: relative;
  background: linear-gradient(90deg, #8b0000 0%, #c8102e 50%, #ff4d4d 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 0 10px rgba(200,16,46,.6);
}
.health-bar-fill::after {
  content: '';
  position: absolute;
  top: 2px; left: 5%;
  width: 90%; height: 30%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.25), transparent);
  border-radius: 30px;
}

.hud-enemy .health-bar-fill {
  background: linear-gradient(270deg, #8b0000 0%, #c8102e 50%, #ff4d4d 100%);
}

.energy-bar-wrap {
  width: 100%;
  height: 10px;
  background: rgba(0,0,0,.6);
  border-radius: 30px;
  border: 1px solid rgba(0,207,255,.2);
  overflow: hidden;
}
.energy-bar-fill {
  height: 100%;
  border-radius: 30px;
  background: linear-gradient(90deg, #0050a0, #00cfff);
  box-shadow: 0 0 8px rgba(0,207,255,.7);
  transition: width .2s ease;
}

/* ── CENTER HUD ────────────────────────────────────────────── */
.hud-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 120px;
}
.level-badge {
  font-family: var(--font-hud);
  font-size: clamp(0.6rem, 1.5vw, 0.8rem);
  font-weight: 700;
  color: var(--clr-gold);
  letter-spacing: 0.1em;
  background: rgba(255,215,0,.08);
  border: 1px solid rgba(255,215,0,.25);
  padding: 3px 10px;
  border-radius: 20px;
}
.timer-display {
  font-family: var(--font-hud);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 700;
  color: #fff;
  text-shadow: 0 0 15px rgba(255,255,255,.4);
}
.timer-display.urgent { color: var(--clr-accent); animation: timerUrgent .5s ease infinite; }
@keyframes timerUrgent {
  0%,100% { text-shadow: 0 0 15px rgba(200,16,46,.8); transform: scale(1); }
  50% { text-shadow: 0 0 30px rgba(200,16,46,1); transform: scale(1.1); }
}

/* ── COMBO HUD ─────────────────────────────────────────────── */
#combo-display {
  position: absolute;
  bottom: 120px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  pointer-events: none;
  z-index: 6;
  transition: opacity .3s;
}
#combo-display.hidden { opacity: 0; }

.combo-count {
  font-family: var(--font-hud);
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 900;
  background: linear-gradient(135deg, #ffd700, #ff4d00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 15px rgba(255,215,0,.8));
  animation: comboPop .25s ease;
}
@keyframes comboPop {
  0% { transform: scale(.6) rotate(-5deg); opacity: 0; }
  60% { transform: scale(1.2) rotate(2deg); }
  100% { transform: scale(1) rotate(0); opacity: 1; }
}

.combo-label {
  font-family: var(--font-ui);
  font-size: clamp(0.8rem, 2vw, 1.1rem);
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--clr-gold);
  text-transform: uppercase;
}
.combo-multiplier {
  font-family: var(--font-ui);
  font-size: clamp(0.75rem, 1.8vw, 1rem);
  color: var(--clr-energy);
  letter-spacing: 0.1em;
}

/* ── PAUSE MENU ────────────────────────────────────────────── */
#pause-screen {
  background: rgba(5,5,8,.92);
  backdrop-filter: blur(12px);
  align-items: center;
}

.pause-panel {
  background: linear-gradient(145deg, rgba(20,20,40,.95), rgba(10,10,25,.98));
  border: 1px solid rgba(200,16,46,.3);
  border-radius: 16px;
  padding: 40px 50px;
  text-align: center;
  box-shadow: 0 0 60px rgba(200,16,46,.15), 0 30px 80px rgba(0,0,0,.8);
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
  min-width: 300px;
}

.pause-title {
  font-family: var(--font-hud);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 700;
  color: var(--clr-gold);
  letter-spacing: 0.1em;
  text-shadow: var(--glow-gold);
}

.pause-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200,16,46,.5), transparent);
}

/* ── ROUND RESULT ──────────────────────────────────────────── */
#result-screen {
  background: rgba(5,5,8,.92);
  backdrop-filter: blur(12px);
  align-items: center;
}

.result-panel {
  background: linear-gradient(145deg, rgba(20,20,40,.97), rgba(10,10,25,.99));
  border: 1px solid rgba(200,16,46,.4);
  border-radius: 20px;
  padding: 50px 60px;
  text-align: center;
  box-shadow: 0 0 80px rgba(200,16,46,.2), 0 40px 100px rgba(0,0,0,.9);
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
  min-width: 340px;
}

.result-title {
  font-family: var(--font-hud);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  animation: resultReveal .6s cubic-bezier(.34,1.56,.64,1) both;
}
@keyframes resultReveal {
  0% { opacity: 0; transform: scale(.4) rotateX(60deg); }
  100% { opacity: 1; transform: scale(1) rotateX(0); }
}

.result-title.win {
  background: linear-gradient(135deg, #ffd700, #ff8c00, #ffd700);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 25px rgba(255,215,0,.9));
}
.result-title.lose {
  color: var(--clr-accent);
  text-shadow: var(--glow-red);
}

.result-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px 30px;
  width: 100%;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.stat-label {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
}
.stat-value {
  font-family: var(--font-hud);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--clr-gold);
}

/* ── INSTRUCTIONS SCREEN ───────────────────────────────────── */
#instructions-screen {
  background: radial-gradient(ellipse 100% 80% at 50% 100%, rgba(80,0,20,.6) 0%, transparent 70%),
              rgba(5,5,8,.95);
  backdrop-filter: blur(10px);
  align-items: center;
}

.instructions-panel {
  background: linear-gradient(145deg, rgba(18,18,35,.98), rgba(10,10,25,.99));
  border: 1px solid rgba(200,16,46,.3);
  border-radius: 20px;
  padding: 24px 32px;
  max-width: 700px;
  width: 96%;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  box-shadow: 0 0 60px rgba(200,16,46,.12), 0 30px 80px rgba(0,0,0,.8);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.inst-title {
  font-family: var(--font-hud);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 700;
  text-align: center;
  color: var(--clr-gold);
  letter-spacing: 0.1em;
  text-shadow: var(--glow-gold);
}

.inst-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.inst-section-title {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--clr-accent);
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(200,16,46,.2);
}

.controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.control-item {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.key-badge {
  background: linear-gradient(135deg, rgba(200,16,46,.2), rgba(255,77,0,.1));
  border: 1px solid rgba(200,16,46,.4);
  border-radius: 6px;
  padding: 4px 12px;
  font-family: var(--font-hud);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--clr-gold);
  letter-spacing: 0.05em;
}

.control-desc {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--clr-text-dim);
  text-align: center;
}

.combo-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.combo-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,215,0,.03);
  border: 1px solid rgba(255,215,0,.1);
  border-radius: 8px;
  padding: 10px 14px;
}
.combo-keys {
  font-family: var(--font-hud);
  font-size: 0.85rem;
  color: var(--clr-gold);
  font-weight: 700;
  white-space: nowrap;
  min-width: 140px;
}
.combo-name {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--clr-text);
}
.combo-dmg {
  margin-left: auto;
  font-family: var(--font-hud);
  font-size: 0.75rem;
  color: var(--clr-accent);
  white-space: nowrap;
}

.inst-footer {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── SKILL UNLOCK POPUP ────────────────────────────────────── */
#skill-popup {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  background: linear-gradient(145deg, rgba(20,20,40,.98), rgba(10,10,25,.99));
  border: 1px solid rgba(255,215,0,.4);
  border-radius: 16px;
  padding: 30px 40px;
  text-align: center;
  z-index: 20;
  box-shadow: var(--glow-gold), 0 30px 80px rgba(0,0,0,.9);
  transition: transform .4s cubic-bezier(.34,1.56,.64,1);
  pointer-events: none;
}
#skill-popup.visible {
  transform: translate(-50%, -50%) scale(1);
  pointer-events: all;
}
.skill-popup-title {
  font-family: var(--font-hud);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--clr-text-dim);
  margin-bottom: 8px;
}
.skill-popup-name {
  font-family: var(--font-hud);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--clr-gold);
  text-shadow: var(--glow-gold);
  margin-bottom: 5px;
}
.skill-popup-desc {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--clr-text-dim);
}

/* ── MOBILE TOUCH CONTROLS ─────────────────────────────────── */
#touch-controls {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 160px;
  display: none;
  z-index: 5;
  pointer-events: none;
  padding: 0 16px 16px;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px;
}
#touch-controls.visible { display: flex; }

.touch-left, .touch-right {
  display: flex;
  gap: 10px;
  pointer-events: all;
}

.touch-btn {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: rgba(255,255,255,.07);
  border: 2px solid rgba(255,255,255,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.3rem;
  color: rgba(255,255,255,.7);
  backdrop-filter: blur(4px);
  transition: background .1s, transform .1s, box-shadow .1s;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  touch-action: none;
}
.touch-btn.active, .touch-btn:active {
  background: rgba(200,16,46,.3);
  border-color: var(--clr-accent);
  transform: scale(.92);
  box-shadow: 0 0 15px rgba(200,16,46,.5);
  color: #fff;
}

.touch-btn.punch  { background: rgba(200,16,46,.1); border-color: rgba(200,16,46,.4); }
.touch-btn.kick   { background: rgba(255,140,0,.1);  border-color: rgba(255,140,0,.4); }
.touch-btn.special { background: rgba(0,207,255,.1); border-color: rgba(0,207,255,.4); }

.touch-btn.punch.active  { background: rgba(200,16,46,.5); box-shadow: 0 0 20px rgba(200,16,46,.8); }
.touch-btn.kick.active   { background: rgba(255,140,0,.5); box-shadow: 0 0 20px rgba(255,140,0,.8); }
.touch-btn.special.active { background: rgba(0,207,255,.4); box-shadow: var(--glow-cyan); }

.touch-dpad {
  display: grid;
  grid-template-columns: repeat(3, 54px);
  grid-template-rows: repeat(2, 54px);
  gap: 5px;
}
.touch-dpad .touch-btn { width: 54px; height: 54px; border-radius: 12px; }
.dpad-left  { grid-column: 1; grid-row: 1/3; border-radius: 12px 0 0 12px !important; }
.dpad-right { grid-column: 3; grid-row: 1/3; border-radius: 0 12px 12px 0 !important; }
.dpad-jump  { grid-column: 2; grid-row: 1; border-radius: 12px 12px 0 0 !important; }
.dpad-block { grid-column: 2; grid-row: 2; border-radius: 0 0 12px 12px !important; }

/* ── LEVEL SELECT SCREEN ───────────────────────────────────── */
#level-select-screen {
  background: rgba(5,5,8,.95);
  backdrop-filter: blur(10px);
  overflow-y: auto;
  padding: 20px;
}

/* ── LEVEL SELECT SCREEN ───────────────────────────── */
#level-select-screen { align-items: center; }

.level-select-panel {
  max-width: 800px;
  width: 96%;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 4px 4px 20px;
}

.ls-title {
  font-family: var(--font-hud);
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  font-weight: 700;
  text-align: center;
  color: var(--clr-gold);
  letter-spacing: 0.08em;
  text-shadow: var(--glow-gold);
}

.ls-chapter {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ls-chapter-title {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--clr-accent);
}
.ls-levels {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 10px;
}
.ls-level-btn {
  aspect-ratio: 1;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.03);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: all .2s;
  position: relative;
  overflow: hidden;
}
.ls-level-btn:not(.locked):hover {
  background: rgba(200,16,46,.15);
  border-color: rgba(200,16,46,.5);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(200,16,46,.3);
}
.ls-level-btn.current {
  border-color: rgba(255,215,0,.6);
  background: rgba(255,215,0,.08);
  box-shadow: 0 0 20px rgba(255,215,0,.3);
}
.ls-level-btn.completed {
  border-color: rgba(0,180,100,.4);
  background: rgba(0,180,100,.06);
}
.ls-level-btn.locked {
  opacity: 0.35;
  cursor: not-allowed;
}
.ls-level-btn.boss {
  border-color: rgba(200,16,46,.5);
  background: rgba(200,16,46,.08);
}
.ls-level-num {
  font-family: var(--font-hud);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--clr-text);
}
.ls-level-type {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--clr-text-dim);
  text-transform: uppercase;
}
.ls-level-stars {
  display: flex;
  gap: 2px;
  font-size: 0.6rem;
}
.ls-back { align-self: center; }

/* ── SKILL TREE PANEL ──────────────────────────────────────── */
#skill-screen {
  background: rgba(5,5,8,.95);
  backdrop-filter: blur(10px);
  align-items: center;
}
.skill-panel {
  background: linear-gradient(145deg, rgba(18,18,35,.98), rgba(10,10,25,.99));
  border: 1px solid rgba(200,16,46,.3);
  border-radius: 20px;
  padding: 28px;
  max-width: 600px;
  width: 96%;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  box-shadow: 0 0 60px rgba(200,16,46,.12), 0 30px 80px rgba(0,0,0,.8);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.skill-title {
  font-family: var(--font-hud);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 700;
  text-align: center;
  color: var(--clr-gold);
  letter-spacing: 0.1em;
}
.skill-currency {
  text-align: center;
  font-family: var(--font-ui);
  font-size: 1rem;
  color: var(--clr-text-dim);
}
.skill-currency span {
  font-family: var(--font-hud);
  font-size: 1.3rem;
  color: var(--clr-gold);
  font-weight: 700;
}
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.skill-card {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all .2s;
}
.skill-card:hover {
  background: rgba(200,16,46,.08);
  border-color: rgba(200,16,46,.3);
}
.skill-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
}
.skill-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(200,16,46,.15);
  border: 1px solid rgba(200,16,46,.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.skill-name {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--clr-text);
}
.skill-level-dots {
  display: flex;
  gap: 4px;
  margin-top: 2px;
}
.skill-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
}
.skill-dot.filled {
  background: var(--clr-gold);
  box-shadow: 0 0 6px rgba(255,215,0,.6);
  border-color: var(--clr-gold);
}
.skill-desc {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--clr-text-dim);
  line-height: 1.4;
}
.skill-upgrade-btn {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 7px 12px;
  border: 1px solid rgba(255,215,0,.3);
  border-radius: 6px;
  background: rgba(255,215,0,.08);
  color: var(--clr-gold);
  cursor: pointer;
  transition: all .2s;
  text-transform: uppercase;
}
.skill-upgrade-btn:hover {
  background: rgba(255,215,0,.2);
  border-color: var(--clr-gold);
  box-shadow: 0 0 12px rgba(255,215,0,.4);
}
.skill-upgrade-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ── SOUND TOGGLE ──────────────────────────────────────────── */
#sound-toggle {
  position: absolute;
  top: 12px; right: 12px;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 15;
  font-size: 1.1rem;
  transition: all .2s;
  color: rgba(255,255,255,.6);
  line-height: 1;
}
#sound-toggle:hover { background: rgba(255,255,255,.12); color: #fff; }
#sound-toggle.muted { opacity: 0.5; }

/* ── FLASH OVERLAY ─────────────────────────────────────────── */
#flash-overlay {
  position: absolute;
  inset: 0;
  background: white;
  pointer-events: none;
  opacity: 0;
  z-index: 8;
  transition: none;
}

/* ── DAMAGE NUMBERS ────────────────────────────────────────── */
.damage-num {
  position: absolute;
  font-family: var(--font-hud);
  font-weight: 900;
  pointer-events: none;
  z-index: 7;
  animation: damageFloat 1.2s ease forwards;
  text-shadow: 0 2px 4px rgba(0,0,0,.8);
}
@keyframes damageFloat {
  0%   { opacity: 1; transform: translateY(0) scale(1); }
  50%  { opacity: 1; transform: translateY(-40px) scale(1.2); }
  100% { opacity: 0; transform: translateY(-80px) scale(0.8); }
}

/* ── LOADING SCREEN ────────────────────────────────────────── */
#loading-screen {
  background: var(--clr-bg);
  z-index: 30;
  gap: 30px;
}
.loading-bar-wrap {
  width: min(400px, 80vw);
  height: 4px;
  background: rgba(255,255,255,.05);
  border-radius: 4px;
  overflow: hidden;
}
.loading-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--clr-accent), var(--clr-gold));
  border-radius: 4px;
  transition: width .3s ease;
  width: 0%;
}
.loading-text {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
}

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 768px) {
  #hud { padding: 8px 10px 6px; }
  .hud-player, .hud-enemy { min-width: 120px; }
  .result-panel { padding: 30px 20px; min-width: 280px; }
  .pause-panel { padding: 30px 25px; }
  .instructions-panel { padding: 25px 20px; }
  .skills-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hud-name { font-size: 0.6rem; }
  :root { --bar-h: 16px; }
  .timer-display { font-size: 1.3rem; }
  .combo-count { font-size: 2rem; }
  .result-stats { grid-template-columns: 1fr; }
  .touch-btn { width: 54px; height: 54px; font-size: 1.1rem; }
  .touch-dpad .touch-btn { width: 46px; height: 46px; }
}

/* ── ANIMATION UTILITIES ───────────────────────────────────── */
.fadeIn  { animation: fadeIn .4s ease both; }
.slideUp { animation: slideUp .5s cubic-bezier(.34,1.56,.64,1) both; }

@keyframes fadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── MISC ──────────────────────────────────────────────────── */
.glow-red  { text-shadow: var(--glow-red); }
.glow-gold { text-shadow: var(--glow-gold); }
.hidden { display: none !important; }