:root {
  --nr-bg: #06080d;
  --nr-bg-card: #0a0c12;
  --nr-border: #1a1f2e;
  --nr-text: #e6e9ef;
  --nr-text-dim: #8a93a6;
  --nr-accent: #00FF94;
  --nr-accent-2: #7C4DFF;
  --nr-accent-3: #FBBF24;
  --nr-danger: #FF3366;
  --font-ui: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-display: 'Space Grotesk', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  background: var(--nr-bg);
  color: var(--nr-text);
  font-family: var(--font-ui);
  overflow: hidden;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  height: 100vh;
  width: 100vw;
}

body {
  background:
    radial-gradient(ellipse at top, rgba(124, 77, 255, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at bottom, rgba(0, 255, 148, 0.06) 0%, transparent 50%),
    var(--nr-bg);
}

#game-root {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* === HUD === */
.hud {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 10px 14px;
  display: flex;
  gap: 8px;
  pointer-events: none;
  z-index: 10;
  flex-wrap: wrap;
}
.hud-cell {
  background: rgba(10, 12, 18, 0.85);
  border: 1px solid var(--nr-border);
  border-radius: 8px;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  pointer-events: auto;
  backdrop-filter: blur(8px);
}
.hud-cell .label { color: var(--nr-text-dim); margin-right: 4px; font-size: 10px; letter-spacing: 1px; }
.hud-cell .accent { color: var(--nr-accent); font-weight: 600; }
.hud-cell .gold { color: var(--nr-accent-3); font-weight: 600; }
.ghost-btn {
  background: transparent;
  border: 1px solid var(--nr-border);
  color: var(--nr-text);
  padding: 4px 10px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
  margin-left: 4px;
}
.ghost-btn:active { background: var(--nr-bg-card); }

/* === Cold-open intro === */
.intro {
  position: fixed;
  inset: 0;
  background: var(--nr-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  background:
    linear-gradient(180deg, rgba(6, 8, 13, 0.85) 0%, rgba(6, 8, 13, 0.5) 40%, rgba(6, 8, 13, 0.95) 100%),
    radial-gradient(ellipse at center, rgba(124, 77, 255, 0.15) 0%, transparent 70%),
    url('assets/hero.jpg') center/cover no-repeat,
    var(--nr-bg);
}
.intro.gone { animation: fadeOut 0.6s forwards; pointer-events: none; }
@keyframes fadeOut { to { opacity: 0; transform: scale(1.05); } }

.intro-frame {
  text-align: center;
  padding: 40px 24px;
  max-width: 480px;
}
.intro-stamp {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--nr-accent);
  margin-bottom: 24px;
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }

.intro-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 12vw, 72px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--nr-text) 0%, var(--nr-accent) 50%, var(--nr-accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.intro-sub {
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--nr-text-dim);
  margin-bottom: 32px;
}
.intro-btn {
  background: var(--nr-accent);
  color: var(--nr-bg);
  border: none;
  padding: 14px 40px;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 2px;
  cursor: pointer;
  box-shadow: 0 0 24px rgba(0, 255, 148, 0.35);
  transition: transform 0.15s, box-shadow 0.15s;
}
.intro-btn:active { transform: scale(0.95); }
.intro-btn:hover { box-shadow: 0 0 36px rgba(0, 255, 148, 0.55); }
.intro-foot {
  margin-top: 32px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--nr-text-dim);
  letter-spacing: 1px;
}

/* === Modals === */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(6, 8, 13, 0.85);
  backdrop-filter: blur(12px);
  display: none;
  z-index: 100;
  align-items: center;
  justify-content: center;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--nr-bg-card);
  border: 1px solid var(--nr-border);
  border-radius: 12px;
  padding: 24px;
  max-width: 420px;
  width: 90vw;
}
.modal h2 {
  font-family: var(--font-display);
  font-size: 20px;
  margin-bottom: 12px;
}
.modal .row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--nr-border);
  font-size: 14px;
}
.modal .row:last-child { border-bottom: none; }
.modal button {
  background: var(--nr-accent);
  color: var(--nr-bg);
  border: none;
  padding: 6px 14px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
}
.modal button.ghost {
  background: transparent;
  color: var(--nr-text);
  border: 1px solid var(--nr-border);
}

/* === Floating damage indicators === */
#floats {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
}
.float {
  position: absolute;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  color: var(--nr-accent-3);
  text-shadow: 0 0 8px rgba(251, 191, 36, 0.6);
  animation: floatUp 0.9s ease-out forwards;
}
@keyframes floatUp {
  0% { transform: translateY(0) scale(1); opacity: 1; }
  100% { transform: translateY(-80px) scale(1.3); opacity: 0; }
}