:root {
  --ink: #e8e6df;
  --dim: #9a978f;
  --bg: #0d0c10;
  --panel: #1a1a21;
  --panel2: #23232c;
  --line: #3a3a46;
  --gold: #f2c437;
  --cu: #d07738;
  --ok: #57e36b;
  --bad: #ff6b6b;
  --acc: #4aa8ff;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", "Malgun Gothic", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

#game {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  cursor: crosshair;
  background: #7ec8f0;
}

/* ── HUD ─────────────────────────────────────────────────────── */
#hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  font-size: 13px;
  line-height: 1.45;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

.hud-tl { position: absolute; top: 12px; left: 14px; }
.hud-tr { position: absolute; top: 12px; right: 14px; text-align: right; }
.hud-bl { position: absolute; bottom: 74px; left: 14px; }
.hud-br { position: absolute; bottom: 10px; right: 14px; text-align: right; }

.hearts { font-size: 18px; letter-spacing: 2px; }
.depth { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; }
.money { font-size: 15px; font-weight: 700; color: var(--cu); }
.sub { color: var(--dim); font-size: 12px; }
.sonar { font-size: 13px; }
.sonar b { color: var(--acc); }
.keyhelp { color: rgba(255, 255, 255, 0.42); font-size: 11px; }

.bar {
  position: relative;
  width: 148px;
  height: 12px;
  margin-top: 4px;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
}
.bar i {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #3fa9f5, #8ed6ff);
  transition: width 0.1s linear;
}
.bar span {
  position: absolute;
  inset: 0;
  font-size: 9px;
  text-align: center;
  line-height: 12px;
  color: #fff;
}

#buffs { margin-top: 6px; display: flex; flex-direction: column; gap: 3px; }
.buff {
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 10px;
  background: rgba(74, 168, 255, 0.22);
  border: 1px solid rgba(74, 168, 255, 0.5);
  width: fit-content;
}

/* 하단 도구 슬롯 바 (6칸) */
.hotbar {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 5px;
}
.slot {
  position: relative;
  width: 52px;
  height: 52px;
  background: rgba(20, 20, 26, 0.82);
  border: 2px solid var(--line);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}
.slot.on { border-color: var(--gold); background: rgba(60, 52, 22, 0.85); }
.slot .n { position: absolute; top: 1px; left: 3px; font-size: 9px; color: var(--dim); }
.slot .c { position: absolute; bottom: 1px; right: 4px; font-size: 11px; font-weight: 700; }
.slot .lv { position: absolute; bottom: 1px; left: 4px; font-size: 9px; color: var(--acc); }
.slot.empty { opacity: 0.4; }
.slot .cd {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  border-radius: 5px;
  transform-origin: bottom;
}

.depthscale {
  position: absolute;
  right: 4px;
  top: 120px;
  bottom: 120px;
  width: 44px;
  font-size: 9px;
  color: rgba(255, 255, 255, 0.5);
}
.depthscale div { position: absolute; right: 0; white-space: nowrap; }

/* ── 토스트 · 힌트 ───────────────────────────────────────────── */
.toasts {
  position: fixed;
  top: 92px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  pointer-events: none;
  z-index: 40;
}
.toast {
  background: rgba(12, 12, 16, 0.9);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  padding: 7px 14px;
  border-radius: 5px;
  font-size: 13px;
  max-width: 70vw;
  animation: pop 0.18s ease-out;
}
@keyframes pop { from { opacity: 0; transform: translateY(-6px); } }

.hint {
  position: fixed;
  bottom: 78px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(12, 12, 16, 0.88);
  border: 1px solid rgba(242, 196, 55, 0.5);
  color: #f6e6b8;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  z-index: 35;
  max-width: 80vw;
  text-align: center;
}

/* ── 패널 ────────────────────────────────────────────────────── */
.modal, .overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 6, 9, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 60;
  backdrop-filter: blur(2px);
}
.overlay[hidden], .modal[hidden] { display: none; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  min-width: 420px;
  max-width: min(760px, 92vw);
  max-height: 88vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.6);
}
.panel > header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.panel h2 { margin: 0; font-size: 16px; }
.panel .body { padding: 14px 16px; overflow-y: auto; }
.panel > footer {
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.tabs { display: flex; gap: 4px; }
.tabs button {
  background: var(--panel2);
  border: 1px solid var(--line);
  color: var(--dim);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
}
.tabs button.on { color: var(--ink); border-color: var(--gold); background: rgba(60, 52, 22, 0.7); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid rgba(255, 255, 255, 0.07); }
th { color: var(--dim); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

button {
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--panel2);
  color: var(--ink);
  padding: 6px 12px;
}
button:hover:not(:disabled) { border-color: var(--gold); }
button:disabled { opacity: 0.38; cursor: not-allowed; }
button.primary { background: var(--gold); color: #201a05; border-color: var(--gold); font-weight: 700; }
button.ghost { background: transparent; }
button.small { padding: 3px 9px; font-size: 12px; }

.rows { display: flex; flex-direction: column; gap: 2px; }
.row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  background: var(--panel2);
  cursor: pointer;
  border: 1px solid transparent;
}
.row:hover { border-color: var(--gold); }
.row.disabled { opacity: 0.45; cursor: default; }
.row.disabled:hover { border-color: transparent; }
.row .grow { flex: 1; }
.row .tag { font-size: 11px; color: var(--dim); }

input[type="text"], input[type="number"], input:not([type]) {
  background: #101016;
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: 6px;
  padding: 7px 10px;
  font-family: inherit;
  font-size: 14px;
  width: 100%;
}
label { display: block; font-size: 12px; color: var(--dim); margin-bottom: 10px; }
label input { margin-top: 4px; }

.err { color: var(--bad); font-size: 12px; min-height: 16px; margin-bottom: 6px; }
.dim { color: var(--dim); }
.ok { color: var(--ok); }
.bad { color: var(--bad); }
.gold { color: var(--gold); }

.start-panel { min-width: 380px; padding: 26px 28px; text-align: center; }
.start-panel h1 { margin: 0 0 6px; font-size: 34px; letter-spacing: 0.06em; }
.start-panel .tagline { color: var(--dim); font-size: 13px; margin: 0 0 20px; }
.start-panel label { text-align: left; }
.start-panel button { width: 100%; margin-top: 8px; padding: 10px; font-size: 15px; }
.backend-note { margin-top: 16px; font-size: 11px; color: var(--dim); }

.deathbox { text-align: center; padding: 8px 0 4px; }
.deathbox .big { font-size: 40px; font-weight: 700; color: var(--gold); font-variant-numeric: tabular-nums; }
.statgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 14px 0; }
.statgrid div {
  background: var(--panel2);
  border-radius: 6px;
  padding: 8px;
  font-size: 12px;
  color: var(--dim);
}
.statgrid b { display: block; font-size: 17px; color: var(--ink); }

.me-row { background: rgba(74, 168, 255, 0.14) !important; }
.mono { font-variant-numeric: tabular-nums; }