/* ==========================================================================
   ZOMBIE KEYBOARD — GAME HUD & VIRTUAL KEYBOARD STYLESHEET
   ========================================================================== */

.game-viewport {
  position: relative;
  width: 100vw;
  height: 100vh;
  background: #000000;
  overflow: hidden;
}

#game-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  z-index: 1;
}

/* TOP HUD BAR */
.hud-bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(180deg, rgba(10, 12, 16, 0.9) 0%, rgba(10, 12, 16, 0) 100%);
  pointer-events: none;
  z-index: 10;
}

.hud-group {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.hud-item {
  display: flex;
  flex-direction: column;
}

.hud-label {
  font-size: 0.7rem;
  color: var(--text-dark);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hud-value {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff;
}

.hud-value.highlight {
  color: var(--accent-green);
  text-shadow: 0 0 10px var(--accent-green-glow);
}

.hud-value.combo {
  color: var(--accent-gold);
}

/* ZOMBIE WORD BADGES OVERLAY */
#hud-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 5;
}

.zombie-word-badge {
  position: absolute;
  background: rgba(10, 12, 16, 0.9);
  border: 1px solid var(--accent-green);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 2px;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.8);
  white-space: nowrap;
}

.zombie-word-badge .typed {
  color: var(--accent-green);
  text-shadow: 0 0 8px var(--accent-green-glow);
}

.zombie-word-badge .untyped {
  color: #ffffff;
}

.zombie-word-badge.runner {
  border-color: var(--accent-red);
}

.zombie-word-badge.heavy {
  border-color: var(--accent-blue);
}

.zombie-word-badge.boss {
  border-color: var(--accent-gold);
  font-size: 1.4rem;
}

/* PHYSICAL KEYBOARD INDICATOR */
.physical-kb-indicator {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--accent-green);
  color: var(--accent-green);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 20;
}

.physical-kb-indicator.visible {
  opacity: 1;
}

/* VIRTUAL QWERTY KEYBOARD (MOBILE LANDSCAPE) */
#virtual-keyboard-container {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 0.5rem;
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(8px);
  z-index: 15;
}

.virtual-keyboard-layout {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.kb-row {
  display: flex;
  justify-content: center;
  gap: 0.3rem;
}

.kb-key {
  flex: 1;
  max-width: 50px;
  height: 44px;
  background: #1e2535;
  border: 1px solid var(--border-color);
  color: #ffffff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 6px;
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.1s ease, transform 0.1s ease;
}

.kb-key.key-space {
  max-width: 300px;
}

.kb-key.active {
  background: var(--accent-green);
  color: #000;
  box-shadow: 0 0 15px var(--accent-green-glow);
  transform: scale(0.95);
}

.kb-key.next-target {
  border-color: var(--accent-gold);
  box-shadow: 0 0 10px rgba(255, 170, 0, 0.5);
}

/* MODALS (GAME OVER / PAUSE) */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 500px;
  width: 90%;
  text-align: center;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.8);
}

.modal-card h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--accent-red);
}

.stats-grid-modal {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
  text-align: left;
}

.stat-box {
  background: var(--bg-secondary);
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}