/* ===== FONTS & RESET ===== */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;700;900&family=Cinzel+Decorative:wght@400;700&family=IM+Fell+English:ital@0;1&display=swap');

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

:root {
  --gold: #c9a84c;
  --gold-bright: #f0d070;
  --gold-dark: #7a5c1a;
  --blood: #8b1a1a;
  --blood-bright: #cc2222;
  --obsidian: #0a0a0f;
  --stone: #1a1a2e;
  --stone-mid: #2a2a3e;
  --stone-light: #3a3a5e;
  --parchment: #e8d5a3;
  --parchment-dark: #b8a070;
  --hp-green: #3ddc84;
  --hp-yellow: #f0c040;
  --hp-red: #cc2222;
  --shadow-glow: 0 0 20px rgba(201, 168, 76, 0.6);
  --text-shadow: 2px 2px 8px rgba(0,0,0,0.9);
}

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--obsidian);
  font-family: 'Cinzel', serif;
  color: var(--parchment);
  user-select: none;
  -webkit-user-select: none;
  overscroll-behavior: none;
  -webkit-tap-highlight-color: transparent;
}


/* ===== SCREENS ===== */
.screen {
  position: absolute; inset: 0;
  display: none; opacity: 0;
  transition: opacity 0.5s ease;
}
.screen.active {
  display: flex; opacity: 1;
  flex-direction: column;
  align-items: center; justify-content: center;
}

/* ===== GAME CONTAINER ===== */
#game-container {
  position: relative;
  width: 100vw; height: 100vh;
  overflow: hidden;
}

/* ===== MAIN MENU ===== */
#menu-screen {
  background: var(--obsidian);
}
#menu-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(139,26,26,0.3) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(201,168,76,0.15) 0%, transparent 60%),
    linear-gradient(180deg, #0a0a0f 0%, #1a1020 40%, #0f0a1a 100%);
}

.menu-parallax-layer {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
}

#menu-far {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1200' height='600'%3E%3Cdefs%3E%3ClinearGradient id='sky' x1='0' y1='0' x2='0' y2='1'%3E%3Cstop offset='0' stop-color='%230a0515'/%3E%3Cstop offset='1' stop-color='%231a0a2e'/%3E%3C/linearGradient%3E%3C/defs%3E%3Crect fill='url(%23sky)' width='1200' height='600'/%3E%3C/svg%3E");
  opacity: 0.6;
}

#menu-content {
  position: relative; z-index: 10;
  display: flex; flex-direction: column;
  align-items: center; gap: 1rem;
  padding: 2rem 2rem 4rem 2rem;
  max-height: 100vh;
  max-height: 100dvh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

#menu-emblem {
  font-size: 5rem;
  color: var(--gold);
  text-shadow: 0 0 40px rgba(201,168,76,0.8), 0 0 80px rgba(201,168,76,0.4);
  animation: emblemPulse 3s ease-in-out infinite;
}
@keyframes emblemPulse {
  0%,100% { text-shadow: 0 0 40px rgba(201,168,76,0.8), 0 0 80px rgba(201,168,76,0.4); transform: scale(1); }
  50% { text-shadow: 0 0 60px rgba(201,168,76,1), 0 0 120px rgba(201,168,76,0.6); transform: scale(1.05); }
}

#menu-title {
  font-family: 'Cinzel Decorative', serif;
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  background: linear-gradient(180deg, #f0d070 0%, #c9a84c 40%, #7a5c1a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  letter-spacing: 0.15em;
  filter: drop-shadow(0 0 20px rgba(201,168,76,0.5));
}

#menu-subtitle {
  font-size: clamp(0.9rem, 2.5vw, 1.4rem);
  color: var(--parchment-dark);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-top: -0.5rem;
  font-style: italic;
}

#menu-buttons {
  display: flex; flex-direction: column;
  gap: 0.8rem; margin-top: 2rem;
  width: min(400px, 90vw);
}

/* ===== MENU CONFIG (Difficulty & Skin) ===== */
#menu-config {
  width: min(600px, calc(100vw - 2rem));
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: 1rem;
  pointer-events: all;
  max-width: 100%;
}

.config-card {
  background: rgba(201,168,76,0.05);
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: 8px;
  padding: 0.9rem;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}
.config-title {
  color: var(--gold-bright);
  text-shadow: var(--shadow-glow);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: clamp(0.65rem, 1.8vw, 0.8rem);
  font-weight: 800;
  margin-bottom: 0.6rem;
}
.config-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.5rem;
}
.config-btn {
  background: rgba(201,168,76,0.08);
  border: 1px solid rgba(201,168,76,0.35);
  color: var(--gold-bright);
  padding: 0.45rem 0.7rem;
  font-family: 'Cinzel', serif;
  font-weight: 800;
  font-size: clamp(0.6rem, 1.6vw, 0.82rem);
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: 6px;
  white-space: normal; /* allow text to wrap */
  word-break: break-word;
  max-width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 2.5rem;
}
.config-btn:hover {
  background: rgba(201,168,76,0.18);
  border-color: rgba(240,208,112,0.7);
  transform: translateY(-2px);
}
.config-btn.selected {
  background: rgba(201,168,76,0.28);
  border-color: rgba(240,208,112,0.95);
  box-shadow: 0 0 18px rgba(201,168,76,0.25);
  color: #fff;
}
.config-btn.disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none !important;
}
.config-hint {
  margin-top: 0.6rem;
  color: var(--parchment-dark);
  font-size: clamp(0.7rem, 1.6vw, 0.85rem);
  line-height: 1.4;
  font-family: 'IM Fell English', serif;
  word-break: break-word;
  overflow-wrap: break-word;
}


.menu-btn {
  background: linear-gradient(135deg, rgba(201,168,76,0.15) 0%, rgba(201,168,76,0.05) 100%);
  border: 1px solid rgba(201,168,76,0.4);
  color: var(--gold-bright);
  padding: 0.9rem 2rem;
  font-family: 'Cinzel', serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.3s ease;
  clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
  text-shadow: 0 0 10px rgba(201,168,76,0.5);
  position: relative;
  overflow: hidden;
}
.menu-btn::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(201,168,76,0.2) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s;
}
.menu-btn:hover {
  background: linear-gradient(135deg, rgba(201,168,76,0.3) 0%, rgba(201,168,76,0.1) 100%);
  border-color: var(--gold);
  color: #fff;
  text-shadow: 0 0 15px rgba(201,168,76,0.9);
  box-shadow: 0 0 20px rgba(201,168,76,0.3), inset 0 0 20px rgba(201,168,76,0.1);
  transform: translateY(-2px);
}
.menu-btn:hover::before { opacity: 1; }
.menu-btn:active { transform: translateY(0); }

#menu-footer {
  margin-top: auto;
  padding-top: 2rem;
  font-size: 0.7rem;
  color: rgba(201,168,76,0.4);
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

/* ===== CONTROLS SCREEN ===== */
#controls-screen, #controls-bg {
  background: radial-gradient(ellipse at center, #1a1020 0%, #0a0a0f 100%);
}
#controls-content {
  position: relative; z-index: 10;
  display: flex; flex-direction: column;
  align-items: center; gap: 1.5rem;
  padding: 2rem; width: 100%; max-width: 900px;
}
.screen-title {
  font-family: 'Cinzel Decorative', serif;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--gold);
  text-shadow: var(--shadow-glow);
  letter-spacing: 0.1em;
}
#controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem; width: 100%;
}
.control-card {
  background: rgba(201,168,76,0.05);
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: 4px;
  padding: 1rem;
  display: flex; flex-direction: column;
  align-items: center; gap: 0.4rem;
  transition: all 0.3s;
}
.control-card:hover {
  background: rgba(201,168,76,0.1);
  border-color: rgba(201,168,76,0.5);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}
.key-badge {
  background: linear-gradient(135deg, #2a2a3e, #1a1a2e);
  border: 2px solid var(--gold-dark);
  color: var(--gold-bright);
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  box-shadow: 0 3px 0 rgba(0,0,0,0.5);
  font-family: monospace;
}
.control-name {
  font-size: 1rem; font-weight: 500;
  color: var(--parchment);
  margin-top: 0.6rem;
}
.control-desc {
  font-size: 0.8rem;
  color: var(--parchment-dark);
  text-align: center;
  font-family: 'IM Fell English', serif;
  font-style: italic;
}

/* ===== STORY SCREEN ===== */
#story-screen {
  background: #000;
  flex-direction: column;
  justify-content: flex-end;
}
#story-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transition: background-image 1s ease;
}
#story-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.7) 60%, rgba(0,0,0,0.95) 100%);
}
#story-content {
  position: relative; z-index: 10;
  width: 100%; padding: 2rem 4rem 3rem;
  max-width: 900px; margin: 0 auto;
}
#story-act-label {
  font-size: 0.8rem;
  color: var(--gold);
  letter-spacing: 0.4em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
#story-title {
  font-family: 'Cinzel Decorative', serif;
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  color: var(--gold-bright);
  text-shadow: 0 0 20px rgba(201,168,76,0.6);
  margin-bottom: 1rem;
}
#story-text-box {
  background: rgba(0,0,0,0.6);
  border-left: 3px solid var(--gold);
  padding: 1.2rem 1.5rem;
  border-radius: 0 4px 4px 0;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(4px);
}
#story-text {
  font-family: 'IM Fell English', serif;
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  line-height: 1.9;
  color: #e0d0b0;
  letter-spacing: 0.02em;
}
#story-continue-btn {
  background: linear-gradient(135deg, rgba(201,168,76,0.2), rgba(201,168,76,0.05));
  border: 1px solid rgba(201,168,76,0.5);
  color: var(--gold-bright);
  padding: 0.7rem 2rem;
  font-family: 'Cinzel', serif;
  font-size: 0.9rem;
  cursor: pointer;
  letter-spacing: 0.15em;
  transition: all 0.3s;
  animation: btnPulse 2s ease-in-out infinite;
}
@keyframes btnPulse {
  0%,100% { box-shadow: 0 0 5px rgba(201,168,76,0.2); }
  50% { box-shadow: 0 0 15px rgba(201,168,76,0.5); }
}
#story-continue-btn:hover {
  background: rgba(201,168,76,0.3);
  transform: scale(1.02);
}

/* ===== GAME SCREEN ===== */
#game-screen {
  background: #000;
  position: relative;
  align-items: stretch;
  justify-content: stretch;
  flex-direction: column;
}
#game-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  image-rendering: pixelated;
}

/* ===== HUD ===== */
#hud {
  position: absolute; top: 0; left: 0; right: 0;
  height: auto;
  min-height: 110px;
  display: flex; align-items: flex-start;
  justify-content: space-between;
  padding: max(25px, env(safe-area-inset-top)) 1.5rem 1rem 1.5rem;
  background: linear-gradient(180deg, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.6) 50%, transparent 100%);
  z-index: 50;
  pointer-events: none;
}
#hud-left {
  display: flex; flex-direction: column;
  gap: 0.3rem; min-width: 220px;
}
#hud-player-info {
  display: flex; flex-direction: column; gap: 0.2rem;
}
#hud-name {
  font-size: 0.7rem; font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.3em;
}
#hud-hp-bar-wrap {
  display: flex; align-items: center; gap: 0.4rem;
}
#hud-hp-label {
  font-size: 0.6rem; color: var(--gold-dark);
  letter-spacing: 0.1em;
}
#hud-hp-track {
  flex: 1; height: 10px;
  background: rgba(0,0,0,0.6);
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}
#hud-hp-fill {
  height: 100%;
  background: linear-gradient(90deg, #3ddc84, #5dfc9a);
  transition: width 0.3s ease, background 0.5s;
  position: relative;
}
#hud-hp-fill::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.3) 0%, transparent 50%);
}
#hud-hp-num {
  font-size: 0.65rem; color: var(--parchment-dark); min-width: 40px;
}
#hud-sword-info {
  display: flex; align-items: center; gap: 0.5rem;
}
#hud-sword-label {
  font-size: 0.55rem; color: var(--gold-dark); letter-spacing: 0.1em;
}
#hud-sword-stars {
  color: var(--gold);
  font-size: 0.8rem;
  text-shadow: 0 0 8px rgba(201,168,76,0.8);
}
#hud-sword-name {
  font-size: 0.6rem; color: var(--gold);
  font-style: italic;
}
#hud-skin-info {
  display: flex; align-items: center; gap: 0.4rem;
  margin-top: 0.1rem;
}
#hud-skin-label {
  font-size: 0.5rem; color: var(--gold-dark); letter-spacing: 0.1em;
}
#hud-skin-name {
  font-size: 0.58rem; font-style: italic;
  text-shadow: 0 0 6px currentColor;
}
#hud-diff-badge {
  font-size: 0.5rem; font-weight: 900;
  letter-spacing: 0.12em;
  text-shadow: 0 0 8px currentColor;
  margin-top: 0.1rem;
}
#hud-center {
  display: flex; flex-direction: column;
  align-items: flex-start; gap: 0.1rem;
}
#hud-stage-label {
  font-size: 0.6rem; letter-spacing: 0.3em; color: var(--gold-dark);
}
#hud-stage-num {
  font-size: 2rem; font-weight: 900; color: var(--gold);
  text-shadow: 0 0 20px rgba(201,168,76,0.7);
  line-height: 1;
}
#hud-right {
  display: flex; flex-direction: column;
  align-items: flex-end; gap: 0.2rem; min-width: 120px;
}
#hud-score-label, #hud-kill-label {
  font-size: 0.55rem; letter-spacing: 0.1em; color: var(--gold-dark);
}
#hud-score-num, #hud-kill-num {
  font-size: 1rem; font-weight: 700; color: var(--gold-bright);
}

/* ===== COMBO DISPLAY ===== */
#combo-display {
  position: absolute; top: 130px; left: 50%;
  transform: translateX(-50%);
  font-size: 1.8rem; font-weight: 900;
  color: var(--gold-bright);
  text-shadow: 0 0 20px rgba(201,168,76,0.8), 2px 2px 4px rgba(0,0,0,0.9);
  pointer-events: none; z-index: 60;
  opacity: 0;
  transition: opacity 0.3s;
  letter-spacing: 0.1em;
  line-height: 1.5;
  padding: 0.2em;
}

/* ===== ACTION LABEL ===== */
#action-label {
  position: absolute; top: 65%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(1.2rem, 4vw, 2rem);
  font-weight: 900; letter-spacing: 0.2em;
  pointer-events: none; z-index: 60;
  opacity: 0;
  text-shadow: 0 0 30px currentColor, 2px 2px 4px rgba(0,0,0,0.9);
  transition: opacity 0.1s;
  white-space: nowrap;
  line-height: 1.5;
  padding: 0.2em;
}

/* ===== BOSS HUD ===== */
#boss-hud {
  position: absolute; top: 130px; left: 50%;
  transform: translateX(-50%);
  width: min(600px, 80vw);
  z-index: 55;
  display: flex; flex-direction: column; gap: 0.4rem;
  align-items: center;
}
#boss-name {
  font-family: 'Cinzel Decorative', serif;
  font-size: 1rem; color: var(--blood-bright);
  text-shadow: 0 0 15px rgba(200,50,50,0.6);
  letter-spacing: 0.1em;
}
#boss-hp-track {
  width: 100%; height: 16px;
  background: rgba(0,0,0,0.7);
  border: 2px solid var(--blood);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}
#boss-hp-fill {
  height: 100%;
  background: linear-gradient(90deg, #8b1a1a, #cc3333, #ff5555);
  transition: width 0.3s ease;
}
#boss-hp-fill::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.2) 0%, transparent 50%);
}

/* ===== PAUSE OVERLAY ===== */
#pause-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: 100;
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(4px);
}
#pause-box {
  background: rgba(10,10,20,0.95);
  border: 2px solid rgba(201,168,76,0.4);
  padding: 3rem 4rem;
  display: flex; flex-direction: column;
  align-items: center; gap: 1.5rem;
  clip-path: polygon(16px 0%, 100% 0%, calc(100% - 16px) 100%, 0% 100%);
}
#pause-box h2 {
  font-family: 'Cinzel Decorative', serif;
  color: var(--gold); font-size: 2rem;
  text-shadow: var(--shadow-glow);
}

/* ===== STAGE CLEAR ===== */
#stage-clear-screen {
  background: radial-gradient(ellipse at center, #1a1500 0%, #0a0a0f 100%);
}
#sc-content {
  position: relative; z-index: 10;
  display: flex; flex-direction: column;
  align-items: center; gap: 1.5rem;
  text-align: center;
}
#sc-glow {
  position: absolute;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(201,168,76,0.3) 0%, transparent 70%);
  border-radius: 50%;
  animation: glowPulse 2s ease-in-out infinite;
  z-index: -1;
}
@keyframes glowPulse {
  0%,100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
}
#sc-title {
  font-family: 'Cinzel Decorative', serif;
  font-size: clamp(2rem, 6vw, 4rem);
  background: linear-gradient(180deg, #fff 0%, #f0d070 40%, #c9a84c 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(201,168,76,0.6));
  animation: titleEntry 0.6s ease-out;
}
@keyframes titleEntry {
  from { transform: scale(0.5); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
#sc-stage-num {
  font-size: 1rem; color: var(--gold-dark);
  letter-spacing: 0.3em;
}
#sc-stats {
  display: flex; flex-direction: column;
  gap: 0.7rem; width: min(350px, 90vw);
}
.sc-stat {
  display: flex; justify-content: space-between;
  border-bottom: 1px solid rgba(201,168,76,0.2);
  padding-bottom: 0.5rem;
  font-size: 0.9rem;
}
.sc-stat span:first-child { color: var(--parchment-dark); }
.sc-stat span:last-child { color: var(--gold-bright); font-weight: 700; }
#sc-upgrade-msg {
  font-size: 1.1rem; font-weight: 700;
  color: var(--gold-bright);
  text-shadow: 0 0 20px rgba(201,168,76,0.7);
  min-height: 2rem;
  animation: upgradeFlash 0.5s ease;
}
@keyframes upgradeFlash {
  from { transform: scale(1.5); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* ===== GAME OVER ===== */
#gameover-screen {
  background: radial-gradient(ellipse at center, #1a0000 0%, #0a0a0f 100%);
}
#go-content {
  display: flex; flex-direction: column;
  align-items: center; gap: 1.5rem; text-align: center;
  padding: 2rem;
}
#go-title {
  font-family: 'Cinzel Decorative', serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--blood-bright);
  text-shadow: 0 0 30px rgba(200,30,30,0.7);
  animation: titleEntry 0.6s ease-out;
}
#go-quote {
  font-family: 'IM Fell English', serif;
  font-size: 1rem; font-style: italic;
  color: var(--parchment-dark); max-width: 500px;
  line-height: 1.8;
}

/* ===== ENDING SCREEN ===== */
#ending-screen {
  background: transparent;
}
#ending-content {
  position: relative; z-index: 10;
  display: flex; flex-direction: column;
  align-items: center; gap: 2rem; text-align: center;
  padding: 3rem 2rem;
  background: rgba(0,0,0,0.8);
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 8px;
}
#ending-glow {
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(201,168,76,0.2) 0%, transparent 70%);
  border-radius: 50%; z-index: -1;
  animation: glowPulse 3s ease-in-out infinite;
}
#ending-title {
  font-family: 'Cinzel Decorative', serif;
  font-size: clamp(2rem, 7vw, 5rem);
  background: linear-gradient(180deg, #fff 0%, #f0d070 30%, #c9a84c 70%, #7a5c1a 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 30px rgba(201,168,76,0.7));
}
#ending-text {
  font-family: 'IM Fell English', serif;
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--parchment);
  line-height: 2; max-width: 700px;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--stone); }
::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 3px; }

/* ===== PARTICLES (JS-driven) ===== */
.particle {
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  animation: particleFade 0.8s ease-out forwards;
}
@keyframes particleFade {
  0% { transform: translate(0, 0) scale(1); opacity: 1; }
  100% { transform: translate(var(--tx), var(--ty)) scale(0); opacity: 0; }
}

/* ===== DAMAGE NUMBER ===== */
.damage-num {
  position: absolute;
  font-family: 'Cinzel', serif;
  font-weight: 900;
  pointer-events: none;
  animation: dmgFloat 1s ease-out forwards;
  z-index: 80;
  text-shadow: 1px 1px 4px rgba(0,0,0,0.9);
  line-height: 1.5;
}
@keyframes dmgFloat {
  0% { transform: translateY(0) scale(1); opacity: 1; }
  60% { transform: translateY(-60px) scale(1.2); opacity: 1; }
  100% { transform: translateY(-100px) scale(0.8); opacity: 0; }
}

/* ===== MUTE BUTTON ===== */
#btn-mute {
  background: rgba(201,168,76,0.08);
  border: 1px solid rgba(201,168,76,0.3);
  color: var(--gold);
  font-size: 1rem;
  width: 32px; height: 32px;
  border-radius: 4px;
  cursor: pointer;
  pointer-events: all;
  transition: all 0.2s;
  display: flex; align-items: center; justify-content: center;
  padding: 0;
  margin-top: 4px;
}
#btn-mute:hover {
  background: rgba(201,168,76,0.22);
  border-color: var(--gold);
  box-shadow: 0 0 10px rgba(201,168,76,0.4);
}
#btn-mute.muted { color: #666; border-color: rgba(100,100,100,0.3); }

/* ===== MOBILE TOUCH CONTROLS ===== */
#mobile-controls {
  position: absolute;
  left: 0;
  right: 0;
  bottom: max(12px, env(safe-area-inset-bottom));
  z-index: 75;
  display: none;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 max(14px, env(safe-area-inset-right)) 0 max(14px, env(safe-area-inset-left));
  pointer-events: none;
}
.mobile-pad {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  pointer-events: none;
}
.mobile-pad-right {
  display: grid;
  grid-template-columns: repeat(3, 58px);
  grid-auto-rows: 58px;
  align-items: center;
  justify-items: center;
}
.mobile-control-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: 1px solid rgba(240,208,112,0.5);
  background: radial-gradient(circle at 35% 25%, rgba(240,208,112,0.28), rgba(10,10,15,0.72));
  color: var(--gold-bright);
  box-shadow: 0 8px 22px rgba(0,0,0,0.45), inset 0 0 16px rgba(201,168,76,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Cinzel', serif;
  font-size: 1.1rem;
  font-weight: 900;
  line-height: 1;
  pointer-events: all;
  touch-action: none;
  user-select: none;
  transition: transform 0.08s ease, background 0.08s ease, border-color 0.08s ease;
}
.mobile-control-btn svg {
  width: 26px;
  height: 26px;
  stroke-width: 2.5px;
  pointer-events: none;
}
.mobile-dir-btn {
  width: 68px;
  height: 68px;
}
.mobile-action-btn {
  width: 64px;
  height: 64px;
}
.mobile-primary-action {
  background: radial-gradient(circle at 35% 25%, rgba(255,230,130,0.45), rgba(122,92,26,0.74));
  border-color: rgba(240,208,112,0.85);
}
.mobile-small-btn {
  width: 48px;
  height: 48px;
  opacity: 0.9;
}
.mobile-control-btn.pressed,
.mobile-control-btn:active {
  transform: scale(0.93);
  background: radial-gradient(circle at 35% 25%, rgba(255,235,160,0.58), rgba(139,26,26,0.78));
  border-color: var(--gold-bright);
}

@media (hover: none) and (pointer: coarse) {
  #game-screen.active {
    touch-action: none;
  }
  #game-screen.active #mobile-controls {
    display: flex;
  }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .screen.active {
    min-height: 100dvh;
  }
  #hud {
    height: 72px;
    align-items: flex-start;
    padding: max(8px, env(safe-area-inset-top)) 0.8rem 0;
  }
  #hud-left {
    min-width: min(52vw, 260px);
    gap: 0.15rem;
  }
  #hud-name {
    font-size: 0.62rem;
    letter-spacing: 0;
  }
  #hud-hp-track {
    height: 9px;
  }
  #hud-sword-label,
  #hud-score-label,
  #hud-kill-label,
  #hud-sword-name {
    display: none;
  }
  #hud-sword-info {
    gap: 0.25rem;
  }
  #hud-center {
    position: absolute;
    left: 50%;
    top: max(8px, env(safe-area-inset-top));
    transform: translateX(-50%);
  }
  #hud-stage-label {
    font-size: 0.5rem;
    letter-spacing: 0;
  }
  #hud-stage-num {
    font-size: 1.45rem;
  }
  #hud-right {
    min-width: 70px;
    gap: 0.05rem;
  }
  #hud-score-num,
  #hud-kill-num {
    font-size: 0.78rem;
  }
  #btn-mute {
    width: 30px;
    height: 30px;
    margin-top: 2px;
  }
  #boss-hud {
    top: 74px;
    width: min(540px, 86vw);
  }
  #combo-display {
    top: 74px;
    font-size: 1.25rem;
    letter-spacing: 0;
  }
  #action-label {
    font-size: clamp(1rem, 5vw, 1.55rem);
    letter-spacing: 0;
    max-width: calc(100vw - 24px);
    text-align: center;
  }
}

@media (max-width: 600px) {
  .screen.active {
    justify-content: center;
  }
  #menu-content {
    width: 100%;
    gap: 0.7rem;
    padding: max(1rem, env(safe-area-inset-top)) 1rem max(3rem, env(safe-area-inset-bottom));
  }
  #menu-emblem svg {
    width: 58px !important;
    height: 58px !important;
  }
  #menu-title {
    width: 100%;
    min-width: 0;
    font-size: clamp(1.25rem, 6.5vw, 1.6rem);
    letter-spacing: 0;
    line-height: 1.08;
    text-align: center;
    max-width: calc(100vw - 24px);
    overflow-wrap: anywhere;
    white-space: normal;
  }
  #menu-subtitle {
    font-size: 0.78rem;
    letter-spacing: 0;
    text-align: center;
    line-height: 1.45;
    max-width: calc(100vw - 32px);
  }
  #menu-buttons {
    width: min(340px, calc(100vw - 2rem));
    margin-top: 0.9rem;
  }
  .menu-btn {
    min-height: 48px;
    padding: 0.82rem 1rem;
    font-size: 0.86rem;
    letter-spacing: 0;
    line-height: 1.35;
  }
  #menu-footer {
    bottom: max(0.8rem, env(safe-area-inset-bottom));
    letter-spacing: 0;
    text-align: center;
    width: calc(100% - 2rem);
  }
  #menu-config {
    width: calc(100vw - 2rem) !important;
    gap: 0.6rem !important;
    margin-top: 0.3rem !important;
  }
  .config-card {
    padding: 0.6rem 0.7rem;
  }
  .config-options {
    gap: 0.35rem;
  }
  .config-btn {
    padding: 0.35rem 0.55rem;
    font-size: clamp(0.55rem, 2.8vw, 0.72rem);
    letter-spacing: 0;
  }
  .config-hint {
    font-size: 0.7rem;
    margin-top: 0.4rem;
  }
  #story-screen.active,
  #controls-screen.active,
  #stage-clear-screen.active,
  #gameover-screen.active,
  #ending-screen.active {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
  }
  #story-content {
    padding: max(1.2rem, env(safe-area-inset-top)) 1rem max(1.4rem, env(safe-area-inset-bottom));
  }
  #story-title {
    line-height: 1.15;
  }
  #story-text-box {
    max-height: 48dvh;
    overflow-y: auto;
  }
  #story-text {
    line-height: 1.65;
  }
  #controls-content {
    min-height: 100%;
    justify-content: flex-start;
    padding: max(1rem, env(safe-area-inset-top)) 1rem max(1.4rem, env(safe-area-inset-bottom));
  }
  .screen-title {
    text-align: center;
    letter-spacing: 0;
  }
  #controls-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .control-card {
    padding: 0.8rem;
  }
  .key-badge {
    max-width: 100%;
    text-align: center;
    white-space: normal;
  }
  #pause-box {
    width: min(360px, calc(100vw - 2rem));
    padding: 2rem 1.2rem;
  }
  #ending-content,
  #go-content,
  #sc-content {
    width: min(520px, calc(100vw - 2rem));
    padding: 1.5rem 1rem;
  }
}

@media (hover: none) and (pointer: coarse) and (orientation: portrait) {
  #mobile-controls {
    bottom: max(18px, env(safe-area-inset-bottom));
  }
  .mobile-pad-left {
    gap: 0.55rem;
  }
  .mobile-dir-btn {
    width: 62px;
    height: 62px;
  }
  .mobile-pad-right {
    grid-template-columns: repeat(3, 54px);
    grid-auto-rows: 54px;
    gap: 0.45rem;
  }
  .mobile-action-btn {
    width: 58px;
    height: 58px;
  }
  .mobile-small-btn {
    width: 44px;
    height: 44px;
  }
}

@media (hover: none) and (pointer: coarse) and (orientation: landscape) {
  #mobile-controls {
    bottom: max(8px, env(safe-area-inset-bottom));
    padding-left: max(12px, env(safe-area-inset-left));
    padding-right: max(12px, env(safe-area-inset-right));
  }
  .mobile-pad {
    gap: 0.55rem;
  }
  .mobile-dir-btn,
  .mobile-action-btn {
    width: 56px;
    height: 56px;
  }
  .mobile-small-btn {
    width: 42px;
    height: 42px;
  }
  .mobile-pad-right {
    grid-template-columns: repeat(3, 52px);
    grid-auto-rows: 52px;
    gap: 0.35rem;
  }
}