/* Preloader & Loading Screen */
.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background-color: #0b0d13;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  color: #e2e8f0;
  user-select: none;
  pointer-events: all;
}

.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 32px;
  width: 320px;
}

.loading-brand {
  font-family: var(--font-display, 'Syne', sans-serif);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: #bad7ff;
  text-shadow: 0 0 24px rgba(186, 215, 255, 0.35);
  line-height: 1.2;
}

.loading-bar-wrapper {
  width: 220px;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 18px;
  position: relative;
}

.loading-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #38bdf8, #818cf8);
  border-radius: 4px;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.6);
  transition: width 0.15s ease-out;
}

.loading-status {
  font-size: 0.68rem;
  color: #94a3b8;
  letter-spacing: 0.12em;
  margin-top: 10px;
  height: 16px;
  line-height: 16px;
}

.loading-action-area {
  height: 52px;
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loading-continue-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.45);
  color: #e2e8f0;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  padding: 10px 26px;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 0 25px rgba(56, 189, 248, 0.25), inset 0 0 12px rgba(56, 189, 248, 0.1);
  transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
  animation: pulseContinue 2.2s infinite ease-in-out;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading-continue-btn.is-ready {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.loading-continue-btn:hover {
  background: rgba(56, 189, 248, 0.32);
  border-color: rgba(56, 189, 248, 0.85);
  box-shadow: 0 0 35px rgba(56, 189, 248, 0.55), inset 0 0 15px rgba(56, 189, 248, 0.25);
  transform: translateY(-2px) scale(1.04);
  color: #ffffff;
}

.loading-continue-btn:active {
  transform: translateY(0) scale(0.98);
}

@keyframes pulseContinue {
  0%, 100% {
    box-shadow: 0 0 18px rgba(56, 189, 248, 0.2);
    border-color: rgba(56, 189, 248, 0.4);
  }
  50% {
    box-shadow: 0 0 32px rgba(56, 189, 248, 0.5);
    border-color: rgba(56, 189, 248, 0.75);
  }
}

/* Scene 1: Room UI Overlay */
.room-overlay-ui {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.room-overlay-ui.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(1.04);
}



.room-bottom-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 12px;
  pointer-events: auto;
}

.ambient-controls {
  background: rgba(12, 16, 26, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid var(--c-os-border);
  padding: 4px 8px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 4px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.ambient-ctrl-btn {
  background: transparent;
  border: none;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--c-os-dim);
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s ease;
}

.ambient-ctrl-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.ambient-ctrl-btn b {
  color: #fff;
}

.ambient-ctrl-divider {
  width: 1px;
  height: 14px;
  background: var(--c-os-border);
  opacity: 0.6;
}

/* ==========================================================================
   3D Dart Minigame HUD & UI Elements
   ========================================================================== */
.dart-hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 45;
  transition: opacity 0.3s ease;
}

.dart-hud.hidden {
  opacity: 0;
  pointer-events: none;
}

.dart-hud-header {
  position: absolute;
  top: 24px;
  left: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  pointer-events: auto;
}

.dart-hud-badge {
  background: rgba(12, 16, 26, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid var(--c-os-border);
  padding: 10px 18px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.dart-hud-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--c-accent);
  display: block;
}

.dart-hud-stats {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--c-os-dim);
  margin-top: 4px;
}

.dart-hud-stats b {
  color: #fff;
}

.dart-hud-darts {
  background: rgba(12, 16, 26, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid var(--c-os-border);
  padding: 10px 20px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--c-os-dim);
}

.dart-icons-tray {
  display: flex;
  gap: 6px;
  font-size: 1.1rem;
}

.dart-icon {
  opacity: 0.2;
  transition: all 0.2s ease;
  filter: grayscale(1);
}

.dart-icon.active {
  opacity: 1;
  filter: none;
  transform: scale(1.1);
}

/* Curved SVG Arc Reset Button (Curving seamlessly along top-left perimeter of dartboard) */
.dart-arc-svg {
  position: absolute;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 47;
  overflow: visible;
}

.dart-arc-btn-group {
  pointer-events: auto;
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.dart-arc-btn-group:hover {
  transform: scale(1.025);
  transform-origin: 400px 400px;
}

.dart-arc-bg {
  fill: #181d28; /* Matches dark slate matte wall #1a202c */
  stroke: rgba(255, 255, 255, 0.12);
  stroke-width: 1.5;
  filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.55));
  transition: fill 0.2s ease, stroke 0.2s ease, filter 0.2s ease;
}

.dart-arc-btn-group:hover .dart-arc-bg {
  fill: #1e2636;
  stroke: rgba(56, 189, 248, 0.7);
  filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.65)) drop-shadow(0 0 14px rgba(56, 189, 248, 0.3));
}

.dart-arc-btn-group:active .dart-arc-bg {
  fill: #141822;
}

.dart-arc-text {
  fill: #94a3b8;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.10em;
  dominant-baseline: central;
  alignment-baseline: central;
  user-select: none;
  pointer-events: none;
  transition: fill 0.2s ease;
}

.dart-arc-btn-group:hover .dart-arc-text {
  fill: #bad7ff;
}

.dart-arc-btn-group.pulse .dart-arc-bg {
  stroke: rgba(56, 189, 248, 0.85);
  animation: pulseArcBtn 1.8s infinite ease-in-out;
}

@keyframes pulseArcBtn {
  0%, 100% {
    filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.5)) drop-shadow(0 0 6px rgba(56, 189, 248, 0.15));
    stroke: rgba(56, 189, 248, 0.4);
  }
  50% {
    filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.6)) drop-shadow(0 0 18px rgba(56, 189, 248, 0.5));
    stroke: rgba(56, 189, 248, 0.95);
  }
}

/* Aim Crosshair */
.dart-crosshair {
  position: absolute;
  width: 32px;
  height: 32px;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 46;
}

.crosshair-ring {
  position: absolute;
  inset: 0;
  border: 2px solid rgba(0, 240, 255, 0.7);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
}

.crosshair-dot {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4px;
  height: 4px;
  background: #00f0ff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 8px #00f0ff;
}

/* Power Charge Meter */
.dart-power-wrap {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  width: 240px;
  background: rgba(12, 16, 26, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid var(--c-os-border);
  padding: 8px 14px;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.dart-power-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--c-os-dim);
  letter-spacing: 0.1em;
  text-align: center;
}

.dart-power-track {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.dart-power-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #00f0ff, #f59e0b, #ef4444);
  border-radius: 4px;
  transition: width 0.04s linear;
}

/* Hit Score Callout Banner */
.dart-score-callout {
  position: absolute;
  top: 18%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.7);
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  background: rgba(12, 16, 26, 0.9);
  border: 1px solid var(--c-accent);
  padding: 12px 28px;
  border-radius: 14px;
  box-shadow: 0 15px 40px rgba(0, 240, 255, 0.3);
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 50;
  white-space: nowrap;
}

.dart-score-callout.show {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.dart-score-callout.bonus {
  color: #fbbf24;
  border-color: #fbbf24;
  box-shadow: 0 15px 45px rgba(251, 191, 36, 0.4);
}

/* Recap Modal */
.dart-recap-modal {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 60;
  pointer-events: auto;
  transition: opacity 0.3s ease;
}

.dart-recap-modal.hidden {
  opacity: 0;
  pointer-events: none;
}

.dart-recap-card {
  background: rgba(18, 24, 38, 0.95);
  border: 1px solid var(--c-os-border);
  padding: 32px 40px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
  max-width: 360px;
  width: 90%;
}

.dart-recap-card h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 12px;
}

.dart-recap-total {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--c-accent);
  margin-bottom: 6px;
}

.dart-recap-high {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--c-os-dim);
  margin-bottom: 24px;
}

.dart-recap-high span {
  color: #fbbf24;
  font-weight: 700;
}

.dart-recap-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.dart-btn-primary {
  background: var(--c-accent);
  color: #0c101a;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 800;
  padding: 12px 20px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.dart-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 240, 255, 0.4);
}

.dart-btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid var(--c-os-border);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.dart-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}