:root {
  color-scheme: dark;
  --gold: #e8c27a;
  --gold-dim: rgba(232, 194, 122, 0.35);
  --ink: #f3e9d6;
  --ink-dim: #b8a88c;
  --panel: rgba(18, 12, 20, 0.82);
  --fire: #ff8a3a;
  --ice: #8fdcff;
  --steam: #e9eef2;
  --serif: "Nanum Myeongjo", "NanumMyeongjo", "Batang", "AppleMyungjo", "Noto Serif KR", serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #0b0810;
  color: var(--ink);
  font-family: var(--serif);
  user-select: none;
  -webkit-user-select: none;
}

canvas { display: block; }

.hidden { display: none !important; }

.back-btn {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 30;
  color: var(--gold);
  text-decoration: none;
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: 6px;
  background: rgba(232, 194, 122, 0.1);
  border: 1px solid var(--gold-dim);
  transition: all 0.2s;
}
.back-btn:hover { background: rgba(232, 194, 122, 0.22); transform: translateX(-2px); }
body.playing .back-btn { display: none; }

#vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.55) 100%);
}

/* ───── HUD ───── */
#hud { position: fixed; inset: 0; pointer-events: none; z-index: 10; }

#crosshair {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 64px;
  height: 64px;
  transform: translate(-50%, -50%);
}
.ch-dot {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 4px;
  height: 4px;
  margin: -2px 0 0 -2px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.9);
}
#charge-ring { position: absolute; inset: 0; transform: rotate(-90deg); opacity: 0; transition: opacity 0.1s; }
#charge-ring.on { opacity: 1; }
#charge-ring circle { fill: none; stroke-width: 3; }
#charge-ring .track { stroke: rgba(255, 255, 255, 0.15); }
#charge-ring .fill {
  stroke: var(--steam);
  stroke-linecap: round;
  stroke-dasharray: 163.4;
  stroke-dashoffset: 163.4;
  filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.8));
}
#charge-ring.ready .fill { stroke: var(--gold); }

#hitmarker { position: absolute; inset: 0; opacity: 0; }
#hitmarker i {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 2px;
  height: 9px;
  margin-left: -1px;
  background: #fff;
  box-shadow: 0 0 3px #000;
}
#hitmarker i:nth-child(1) { transform: rotate(45deg) translateY(-15px); }
#hitmarker i:nth-child(2) { transform: rotate(135deg) translateY(-15px); }
#hitmarker i:nth-child(3) { transform: rotate(225deg) translateY(-15px); }
#hitmarker i:nth-child(4) { transform: rotate(315deg) translateY(-15px); }
#hitmarker.kill i { background: #ff5a4a; height: 12px; }
#hitmarker.show { animation: hitmark 0.22s ease-out; }
@keyframes hitmark {
  0% { opacity: 1; transform: scale(1.35); }
  100% { opacity: 0; transform: scale(1); }
}

#hint {
  position: absolute;
  top: 28px;
  left: 50%;
  transform: translateX(-50%);
  padding: 10px 22px;
  border: 1px solid var(--gold-dim);
  border-radius: 4px;
  background: var(--panel);
  font-size: 15px;
  letter-spacing: 0.02em;
  text-align: center;
  white-space: nowrap;
  transition: opacity 0.3s;
}
#hint:empty { opacity: 0; }
#hint b { color: var(--gold); }

#toast {
  position: absolute;
  top: 64%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 16px;
  color: var(--ink-dim);
  text-shadow: 0 0 6px #000, 0 0 12px #000;
  opacity: 0;
  transition: opacity 0.25s;
  white-space: nowrap;
}
#toast.show { opacity: 1; }

#codex-count {
  position: absolute;
  top: 16px;
  right: 18px;
  font-size: 13px;
  color: var(--ink-dim);
  letter-spacing: 0.05em;
}
#codex-count b { color: var(--gold); font-size: 16px; }

.hand-slot {
  position: absolute;
  bottom: 28px;
  left: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hand-slot.right { left: auto; right: 28px; flex-direction: row-reverse; text-align: right; }
.hand-slot .key {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  font: 700 13px/1 system-ui, sans-serif;
  border: 1px solid var(--gold-dim);
  border-radius: 4px;
  color: var(--gold);
  background: var(--panel);
}
.hand-slot .orb {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 2px solid var(--gold-dim);
  background: radial-gradient(circle at 40% 35%, #fff 0%, var(--c, #888) 35%, rgba(0, 0, 0, 0.6) 100%);
  box-shadow: 0 0 18px var(--c, transparent);
  transition: background 0.15s, box-shadow 0.15s;
}
.hand-slot.swap .orb { animation: orbswap 0.3s ease-out; }
@keyframes orbswap {
  0% { transform: scale(0.6); }
  100% { transform: scale(1); }
}
.hand-slot .label { display: flex; flex-direction: column; gap: 2px; }
.hand-slot small { font-size: 11px; color: var(--ink-dim); letter-spacing: 0.04em; }
.hand-slot b { font-size: 20px; text-shadow: 0 0 8px #000; }

#mana {
  position: absolute;
  bottom: 40px;
  left: 50%;
  width: 280px;
  height: 10px;
  transform: translateX(-50%);
  border: 1px solid var(--gold-dim);
  border-radius: 2px;
  background: rgba(10, 8, 16, 0.7);
}
#mana-fill {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #5a7cff, #b58cff);
  box-shadow: 0 0 10px rgba(140, 120, 255, 0.6);
  transition: width 0.08s linear;
}
#mana.low #mana-fill { background: #5a4a6a; box-shadow: none; }
#mana-text {
  position: absolute;
  top: 16px;
  left: 0;
  right: 0;
  text-align: center;
  font: 11px/1 system-ui, sans-serif;
  color: var(--ink-dim);
  letter-spacing: 0.1em;
}

#floaters, #bars { position: absolute; inset: 0; overflow: hidden; }
.floater {
  position: absolute;
  left: 0;
  top: 0;
  font: 800 18px/1 system-ui, sans-serif;
  color: #fff;
  text-shadow: 0 0 3px #000, 0 2px 4px #000;
  transform: translate(-50%, -50%);
  white-space: nowrap;
  will-change: transform, opacity;
}
.floater.fire { color: #ffb066; }
.floater.ice { color: #b6ecff; }
.floater.lightning { color: #dcc8ff; }
.floater.earth { color: #e8c890; }
.floater.plasma { color: #ffb8e8; }
.floater.steam { color: #f4f6f8; font-size: 22px; }
.floater.reaction {
  font-family: var(--serif);
  font-size: 24px;
  color: var(--gold);
  text-shadow: 0 0 10px rgba(255, 200, 120, 0.8), 0 2px 4px #000;
}

.ebar {
  position: absolute;
  left: 0;
  top: 0;
  width: 64px;
  transform: translate(-50%, -100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}
.ebar .icons { font-size: 13px; height: 14px; line-height: 14px; filter: drop-shadow(0 0 2px #000); }
.ebar .track { width: 100%; height: 5px; background: rgba(0, 0, 0, 0.6); border: 1px solid rgba(0, 0, 0, 0.8); }
.ebar .fill { height: 100%; background: #d8483a; }
.ebar .lag { position: relative; height: 100%; }

#discover {
  position: absolute;
  top: max(12%, 84px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 360px;
  padding: 18px 36px 20px;
  text-align: center;
  background: linear-gradient(180deg, rgba(30, 20, 30, 0.92), rgba(14, 10, 18, 0.92));
  border: 1px solid var(--gold);
  box-shadow: 0 0 40px rgba(232, 194, 122, 0.25), inset 0 0 30px rgba(232, 194, 122, 0.08);
  animation: discover-in 0.5s cubic-bezier(0.2, 1.4, 0.4, 1);
}
#discover.out { animation: discover-out 0.4s ease-in forwards; }
@keyframes discover-in {
  0% { opacity: 0; transform: translateX(-50%) scale(0.6); }
  100% { opacity: 1; transform: translateX(-50%) scale(1); }
}
@keyframes discover-out {
  to { opacity: 0; transform: translateX(-50%) translateY(-20px); }
}
.dc-kicker { font: 700 12px/1 system-ui, sans-serif; letter-spacing: 0.4em; color: var(--gold); }
.dc-combo { font-size: 26px; margin: 10px 0 2px; }
.dc-name { font-size: 30px; font-weight: 800; letter-spacing: 0.06em; }
.dc-desc { margin-top: 8px; font-size: 14px; color: var(--ink-dim); }

/* ───── Overlay (start / pause) ───── */
#overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 16px;
  background: radial-gradient(ellipse at center, rgba(20, 12, 24, 0.55), rgba(5, 3, 8, 0.9));
}
#overlay .panel { max-width: 520px; width: 100%; text-align: center; }
#overlay .kicker { font: 700 12px/1 system-ui, sans-serif; letter-spacing: 0.45em; color: var(--gold); }
#overlay h1 {
  margin: 14px 0 6px;
  font-size: clamp(40px, 9vw, 64px);
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #fff3dc;
  text-shadow: 0 0 24px rgba(255, 150, 70, 0.45), 0 0 48px rgba(120, 200, 255, 0.25);
}
#overlay .sub { margin: 0 0 26px; color: var(--ink-dim); font-size: 16px; }
.controls {
  display: grid;
  gap: 8px;
  margin: 0 auto 22px;
  padding: 16px 18px;
  border: 1px solid var(--gold-dim);
  background: var(--panel);
  font-size: 14px;
  text-align: left;
}
kbd {
  display: inline-block;
  min-width: 22px;
  padding: 2px 6px;
  margin-right: 3px;
  border: 1px solid var(--gold-dim);
  border-radius: 3px;
  background: rgba(232, 194, 122, 0.08);
  font: 600 12px/1.4 system-ui, sans-serif;
  color: var(--gold);
  text-align: center;
}
.sens { display: flex; align-items: center; justify-content: center; gap: 10px; font-size: 13px; color: var(--ink-dim); margin-bottom: 22px; }
.sens input { width: 160px; accent-color: var(--gold); }
.sens span { width: 34px; text-align: left; font-family: system-ui, sans-serif; }
#start-btn, #retry-btn {
  padding: 14px 44px;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #1a1018;
  background: linear-gradient(180deg, #f5d79a, #d9a95a);
  border: 0;
  border-radius: 3px;
  cursor: pointer;
  box-shadow: 0 0 24px rgba(232, 194, 122, 0.35);
  transition: transform 0.1s, box-shadow 0.15s;
}
#start-btn:hover, #retry-btn:hover { transform: translateY(-1px); box-shadow: 0 0 32px rgba(232, 194, 122, 0.55); }
.note { margin-top: 16px; font-size: 12px; color: var(--ink-dim); }

/* ───── M1: health, waves, codex, results ───── */
#hurt {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 6;
  opacity: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(200, 20, 10, 0.55) 100%);
}

#hp {
  position: absolute;
  bottom: 58px;
  left: 50%;
  width: 280px;
  height: 12px;
  transform: translateX(-50%);
  border: 1px solid rgba(255, 120, 100, 0.4);
  border-radius: 2px;
  background: rgba(10, 8, 16, 0.7);
}
#hp-fill, #hp-lag { position: absolute; left: 0; top: 0; bottom: 0; width: 100%; }
#hp-lag { background: #f0e0c0; opacity: 0.6; }
#hp-fill { background: linear-gradient(90deg, #b8282a, #e8503a); box-shadow: 0 0 10px rgba(230, 70, 50, 0.5); }
#hp.low #hp-fill { animation: hp-pulse 0.8s ease-in-out infinite; }
@keyframes hp-pulse { 50% { filter: brightness(1.6); } }
#hp-text {
  position: absolute;
  right: -46px;
  top: -1px;
  width: 40px;
  font: 700 12px/1 system-ui, sans-serif;
  color: #ffb0a0;
}

#wave-info {
  position: absolute;
  top: 16px;
  left: 18px;
  font-size: 13px;
  color: var(--ink-dim);
  letter-spacing: 0.05em;
}
#wave-info b { color: var(--gold); font-size: 16px; }

#banner {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  animation: banner-in 0.6s cubic-bezier(0.2, 1.3, 0.4, 1);
  text-shadow: 0 0 20px #000, 0 2px 6px #000;
}
#banner.out { animation: banner-out 0.5s ease-in forwards; }
@keyframes banner-in { from { opacity: 0; transform: translateX(-50%) scale(1.4); letter-spacing: 0.4em; } }
@keyframes banner-out { to { opacity: 0; transform: translateX(-50%) translateY(-16px); } }
.b-kicker { font: 700 13px/1 system-ui, sans-serif; letter-spacing: 0.45em; color: var(--gold); }
.b-title { margin-top: 10px; font-size: 52px; font-weight: 800; letter-spacing: 0.08em; color: #fff3dc; }
.b-sub { margin-top: 6px; font-size: 17px; color: var(--ink-dim); }
#banner.danger .b-title { color: #ff9a80; }

#codex {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(720px, calc(100vw - 32px));
  padding: 20px 22px;
  background: rgba(14, 10, 18, 0.94);
  border: 1px solid var(--gold-dim);
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.7);
}
.cx-title { font-size: 18px; font-weight: 800; letter-spacing: 0.08em; color: var(--gold); margin-bottom: 12px; }
.cx-title small { font: 600 11px/1 system-ui, sans-serif; color: var(--ink-dim); margin-left: 6px; }
.cx-title.small { font-size: 14px; margin: 16px 0 8px; }
.cx-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.cx-cell { display: flex; gap: 10px; align-items: center; padding: 8px 10px; border: 1px solid rgba(232, 194, 122, 0.18); background: rgba(232, 194, 122, 0.04); }
.cx-cell .cx-combo { font-size: 18px; width: 64px; text-align: center; flex: none; }
.cx-cell b { display: block; font-size: 15px; }
.cx-cell small { display: block; font-size: 12px; color: var(--ink-dim); margin-top: 2px; line-height: 1.35; }
.cx-cell .role { font: 600 10px/1 system-ui, sans-serif; color: var(--gold); letter-spacing: 0.08em; margin-left: 6px; }
.cx-cell.locked b { color: #6a5e6e; }
.cx-cell.locked .cx-combo { opacity: 0.45; }
.cx-reactions { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 6px; font-size: 12px; color: var(--ink-dim); }
.cx-reactions b { color: var(--ink); margin: 0 4px; }

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 18px;
  margin: 0 auto 24px;
  padding: 16px 20px;
  border: 1px solid var(--gold-dim);
  background: var(--panel);
  text-align: left;
  font-size: 14px;
}
.stats div { display: flex; justify-content: space-between; gap: 10px; }
.stats span { color: var(--ink-dim); }
.stats b { color: var(--gold); }
.stats .wide { grid-column: 1 / -1; }
#result h1 { font-size: clamp(30px, 6vw, 46px); }
.controls .tip { color: var(--ink-dim); font-size: 13px; }

/* ───── M2: runes, boss bar, result card ───── */
#runes {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(760px, calc(100vw - 32px));
  text-align: center;
}
.rn-title { font-size: 22px; font-weight: 800; letter-spacing: 0.08em; color: var(--gold); text-shadow: 0 0 12px #000; margin-bottom: 16px; }
.rn-title small { font: 600 12px/1 system-ui, sans-serif; color: var(--ink-dim); margin-left: 8px; letter-spacing: 0.1em; }
.rn-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.rn-card {
  position: relative;
  padding: 22px 16px 18px;
  background: linear-gradient(180deg, rgba(34, 24, 36, 0.95), rgba(14, 10, 18, 0.95));
  border: 1px solid var(--gold-dim);
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.6);
  animation: rune-in 0.45s cubic-bezier(0.2, 1.3, 0.4, 1) backwards;
}
.rn-card:nth-child(2) { animation-delay: 0.07s; }
.rn-card:nth-child(3) { animation-delay: 0.14s; }
@keyframes rune-in { from { opacity: 0; transform: translateY(24px) scale(0.9); } }
.rn-card .k { position: absolute; top: 8px; left: 10px; font: 700 12px/1 system-ui, sans-serif; color: var(--gold); }
.rn-card .lv { position: absolute; top: 8px; right: 10px; font: 600 11px/1 system-ui, sans-serif; color: var(--ink-dim); }
.rn-card .ic { font-size: 34px; line-height: 1; margin-bottom: 10px; color: var(--gold); text-shadow: 0 0 14px rgba(232, 194, 122, 0.6); }
.rn-card b { display: block; font-size: 18px; margin-bottom: 6px; }
.rn-card small { display: block; font-size: 13px; color: var(--ink-dim); line-height: 1.4; }
.rn-card.picked { border-color: var(--gold); box-shadow: 0 0 40px rgba(232, 194, 122, 0.5); transform: scale(1.04); transition: all 0.15s; }

#boss {
  position: absolute;
  top: 46px;
  left: 50%;
  width: min(560px, calc(100vw - 200px));
  transform: translateX(-50%);
  text-align: center;
}
.bs-name { font-size: 16px; font-weight: 800; letter-spacing: 0.12em; color: #fff3dc; text-shadow: 0 0 10px #000; margin-bottom: 6px; }
.bs-name small { font-size: 13px; font-weight: 600; margin-left: 8px; }
.bs-track { height: 10px; border: 1px solid rgba(255, 200, 150, 0.4); background: rgba(10, 8, 16, 0.75); }
.bs-fill { height: 100%; width: 100%; background: var(--bc, #d84a20); box-shadow: 0 0 12px var(--bc, #d84a20); transition: width 0.15s; }
#boss.invuln .bs-fill { filter: brightness(1.8) saturate(0.4); }
body:has(#boss:not(.hidden)) #hint { opacity: 0; }

.r-buttons { display: flex; gap: 12px; justify-content: center; }
button.ghost {
  padding: 14px 26px;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--gold);
  background: transparent;
  border: 1px solid var(--gold-dim);
  border-radius: 3px;
  cursor: pointer;
}
button.ghost:hover { background: rgba(232, 194, 122, 0.1); }