/* ============================================
   KIVI.AZ — Agar.io Mini-Game Styles
   ============================================ */

/* ---- Game Canvas (Hero Background Layer) ---- */
.game-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s ease;
}
.game-canvas.active {
  pointer-events: auto;
  opacity: 1;
}

/* ---- Game Controls (inside hero) ---- */
.game-controls {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-4);
  margin-top: var(--sp-6);
  animation: fadeInUp 0.6s 0.4s var(--ease) both;
}

.game-play-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-5);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text-secondary);
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--r-full);
  cursor: pointer;
  transition: all var(--t-base);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  white-space: nowrap;
}
.game-play-btn:hover {
  color: var(--color-text);
  border-color: var(--color-primary);
  background: rgba(166, 217, 46, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(166, 217, 46, 0.15);
}
.game-play-btn svg {
  width: 16px;
  height: 16px;
}

.game-nuke-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: #ef4444;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: var(--r-full);
  cursor: pointer;
  transition: all var(--t-base);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  white-space: nowrap;
}
.game-nuke-btn:hover {
  color: #fff;
  background: rgba(239, 68, 68, 0.2);
  border-color: #ef4444;
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(239, 68, 68, 0.3);
}
.game-nuke-btn.nuking {
  pointer-events: none;
  opacity: 0.4;
}

.game-sound-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  color: var(--color-text-secondary);
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--r-full);
  cursor: pointer;
  transition: all var(--t-base);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.game-sound-btn svg {
  width: 16px;
  height: 16px;
}
.game-sound-btn:hover {
  color: var(--color-text);
  border-color: var(--color-primary);
  background: rgba(166, 217, 46, 0.08);
}
.game-sound-btn.active {
  color: #44ccff;
  border-color: #44ccff;
  background: rgba(68, 204, 255, 0.12);
  box-shadow: 0 0 6px rgba(68, 204, 255, 0.25);
}

.game-flash-overlay {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.game-flash-overlay.flash {
  opacity: 1;
}

/* ---- Toggle Switch ---- */
.game-toggle-wrap {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.game-toggle-label {
  font-size: 11px;
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  user-select: none;
  white-space: nowrap;
}
.game-toggle {
  position: relative;
  width: 40px;
  height: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
}
.game-toggle input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.game-toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--r-full);
  transition: all 0.3s ease;
}
.game-toggle-slider::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: var(--color-text-muted);
  border-radius: 50%;
  transition: all 0.3s ease;
}
.game-toggle input:checked + .game-toggle-slider {
  background: rgba(166, 217, 46, 0.15);
  border-color: var(--color-primary);
}
.game-toggle input:checked + .game-toggle-slider::before {
  transform: translateX(18px);
  background: var(--color-primary);
  box-shadow: 0 0 8px rgba(166, 217, 46, 0.4);
}

/* ---- Score Badge (hero corner) ---- */
.game-score-badge {
  position: absolute;
  bottom: var(--sp-6);
  left: var(--sp-6);
  display: none;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-primary-light);
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--r-full);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}
.game-score-badge.visible {
  display: inline-flex;
}
.game-score-badge:hover {
  opacity: 1;
}

/* ---- Fullscreen Popup ---- */
.game-popup-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.35s ease;
}
.game-popup-overlay.open {
  display: flex;
}

.game-popup {
  position: relative;
  width: 90vw;
  height: 80vh;
  max-width: 1100px;
  max-height: 700px;
  background: var(--color-bg);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.6);
}

.game-popup-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Popup HUD */
.game-popup-hud {
  position: absolute;
  top: var(--sp-4);
  left: var(--sp-4);
  right: var(--sp-4);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  pointer-events: none;
  z-index: 2;
}
.game-popup-hud > * {
  pointer-events: auto;
}
.game-popup-hud-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.game-hud-score {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--sp-3) var(--sp-5);
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--r-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: opacity 0.3s ease;
}
.game-hud-score.hidden {
  opacity: 0;
  pointer-events: none;
}
.game-hud-score-label {
  font-size: 10px;
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.game-hud-score-value {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-extrabold);
  color: var(--color-primary);
  line-height: 1;
}
.game-hud-high {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.game-popup-close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--r-full);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--t-fast);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.game-popup-close:hover {
  color: var(--color-text);
  border-color: var(--color-primary);
  background: rgba(166, 217, 46, 0.1);
}
.game-popup-close svg {
  width: 18px;
  height: 18px;
}
.game-popup-close.active {
  color: #44ccff;
  border-color: #44ccff;
  background: rgba(68, 204, 255, 0.15);
  box-shadow: 0 0 8px rgba(68, 204, 255, 0.3);
}

/* Game Over Screen */
.game-over-screen {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 3;
}
.game-over-screen.visible {
  display: flex;
}
.game-over-title {
  font-size: var(--fs-4xl);
  font-weight: var(--fw-extrabold);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.game-over-stats {
  font-size: var(--fs-lg);
  color: var(--color-text-secondary);
  text-align: center;
  line-height: 1.8;
}
.game-over-stats strong {
  color: var(--color-primary);
  -webkit-text-fill-color: unset;
}
.game-restart-btn {
  margin-top: var(--sp-2);
  padding: var(--sp-3) var(--sp-8);
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border: none;
  border-radius: var(--r-full);
  cursor: pointer;
  transition: all var(--t-base);
}
.game-restart-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(166, 217, 46, 0.3);
}

/* ---- Universe Background for Popup ---- */
.game-universe-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.game-popup-canvas {
  position: relative;
  z-index: 1;
}

/* Nebula glow patches via CSS — subtle interior clouds */
.game-universe-nebula {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.game-nebula-patch {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  animation: nebulaFloat 20s ease-in-out infinite;
}

.game-nebula-1 {
  width: 300px;
  height: 300px;
  top: 15%;
  left: 20%;
  background: var(--color-primary);
  opacity: 0.025;
  animation-delay: 0s;
}
.game-nebula-2 {
  width: 250px;
  height: 250px;
  bottom: 20%;
  right: 25%;
  background: var(--color-accent, #8b5cf6);
  opacity: 0.02;
  animation-delay: -7s;
}
.game-nebula-3 {
  width: 200px;
  height: 200px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-primary-light);
  opacity: 0.015;
  animation-delay: -14s;
}

@keyframes nebulaFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.02;
  }
  33% {
    transform: translate(20px, -15px) scale(1.1);
    opacity: 0.03;
  }
  66% {
    transform: translate(-15px, 10px) scale(0.95);
    opacity: 0.025;
  }
}

/* Theme switcher inside popup */
.game-popup-themes {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--r-full);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.game-popup-themes .theme-btn {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
}
.game-popup-themes .theme-btn:hover {
  transform: scale(1.2);
}
.game-popup-themes .theme-btn.active {
  border-color: var(--color-text);
  box-shadow: 0 0 8px rgba(255,255,255,0.2);
}
.game-popup-themes .theme-btn[data-theme="dark"] {
  background: #080c14;
}
.game-popup-themes .theme-btn[data-theme="light"] {
  background: #f7f9fc;
}
.game-popup-themes .theme-btn[data-theme="purple"] {
  background: #7c3aed;
}
.game-popup-themes .theme-btn[data-theme="ocean"] {
  background: #06b6d4;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  /* Hide toggle (bg game disabled on mobile), but keep Play button */
  .game-toggle-wrap { display: none; }
  .game-score-badge { display: none !important; }

  .game-controls {
    margin-top: var(--sp-4);
  }

  .game-popup {
    width: 100vw;
    height: 85vh;
    max-width: 100vw;
    border-radius: var(--r-lg) var(--r-lg) 0 0;
  }

  .game-popup-close {
    width: 44px;
    height: 44px;
  }

  .game-restart-btn {
    padding: var(--sp-4) var(--sp-10);
    font-size: var(--fs-lg);
  }

  .game-over-title {
    font-size: var(--fs-3xl);
  }

  .game-hud-score {
    padding: var(--sp-2) var(--sp-4);
  }

  .game-hud-score-value {
    font-size: var(--fs-xl);
  }
}