/* Butonlar */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--rounded-xl);
  border: none;
  font-family: 'Quicksand', sans-serif;
  font-weight: 600;
  cursor: pointer;
  transition: all 300ms ease;
  user-select: none;
}

.btn:focus {
  outline: 3px solid var(--pink-200);
  outline-offset: 2px;
}

.btn:active {
  transform: translateY(0) scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, #FF69B4, #FF91A4);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

@media (hover: hover) {
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
  }
}

.btn-secondary {
  background: linear-gradient(135deg, #48BB78, #9AE6B4);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

@media (hover: hover) {
  .btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-green);
  }
}

.btn-ghost {
  background: transparent;
  border: 2px solid var(--pink-300);
  color: var(--pink-500);
}

@media (hover: hover) {
  .btn-ghost:hover {
    background: var(--pink-50);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }
}

.btn-icon {
  padding: var(--space-2);
  border-radius: var(--rounded-full);
  display: inline-flex;
}

.btn-disabled {
  background: var(--gray-300);
  color: var(--gray-500);
  cursor: not-allowed;
  pointer-events: none;
}

.btn-lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-lg);
}

.btn-sm {
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-sm);
}

/* Kartlar */
.card {
  background: var(--white);
  border-radius: var(--rounded-2xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  transition: all var(--duration-normal) var(--ease-smooth);
}

@media (hover: hover) {
  .card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
  }
}

.card-glow {
  border: 2px solid var(--pink-200);
  box-shadow: var(--shadow-glow);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 240, 245, 0.8);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-smooth);
}

.modal-overlay:not(.hidden) {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--white);
  border-radius: var(--rounded-2xl);
  padding: var(--space-8);
  max-width: 90%;
  width: 400px;
  box-shadow: var(--shadow-xl);
  transform: scale(0.9);
  transition: transform var(--duration-normal) var(--ease-bounce);
}

.modal-overlay:not(.hidden) .modal-content {
  transform: scale(1);
}

/* Input */
.input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--gray-300);
  border-radius: var(--rounded-xl);
  font-family: 'Nunito', sans-serif;
  outline: none;
  transition: border-color var(--duration-fast);
}

.input:focus {
  border-color: var(--pink-400);
}

.input-fancy {
  border-color: var(--pink-200);
  background: var(--pink-50);
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 12px;
  background: var(--gray-100);
  border-radius: var(--rounded-full);
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  border-radius: var(--rounded-full);
  transition: width var(--duration-slow) var(--ease-smooth);
}

.progress-xp .progress-fill {
  background: var(--grad-main);
}

.progress-happiness .progress-fill {
  background: var(--grad-pink);
}

/* Badge & Toast */
.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--rounded-full);
  font-size: var(--text-xs);
  font-weight: bold;
}

.badge-notification {
  background: var(--coral);
  color: var(--white);
}

.badge-streak {
  background: var(--grad-gold);
  color: var(--gray-900);
}

.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-notification);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toast {
  padding: var(--space-3) var(--space-4);
  border-radius: 12px;
  background: var(--white);
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  animation: slideInRight 0.5s ease forwards;
}

.toast.hiding {
  animation: slideOutRight 0.5s ease forwards;
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOutRight {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(100%); opacity: 0; }
}

.toast-success {
  border-left: 4px solid var(--green-400);
}

.toast-info {
  border-left: 4px solid var(--pink-400);
}

.toast-special {
  border-left: 4px solid var(--gold);
}

/* Diğer */
.tooltip {
  position: absolute;
  background: var(--gray-900);
  color: var(--white);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--rounded-sm);
  font-size: var(--text-xs);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.divider {
  height: 2px;
  background: var(--pink-100);
  margin: var(--space-4) 0;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.divider::after {
  content: '🌸';
  position: absolute;
  background: var(--cream);
  padding: 0 var(--space-2);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--pink-100);
  border-top-color: var(--pink-400);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.speech-bubble {
  position: relative;
  background: var(--white);
  border-radius: var(--rounded-xl);
  padding: var(--space-3) var(--space-4);
  font-family: 'Dancing Script', cursive;
  font-size: var(--text-xl);
  box-shadow: var(--shadow-md);
  animation: fadeIn var(--duration-normal) var(--ease-smooth);
}

.speech-bubble::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 20px;
  border-width: 10px 10px 0;
  border-style: solid;
  border-color: var(--white) transparent transparent transparent;
}

.back-btn-absolute {
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  z-index: var(--z-navigation);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--rounded-full);
  padding: var(--space-2) var(--space-4);
  font-family: 'Quicksand', sans-serif;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--green-600);
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-smooth);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(255, 255, 255, 0.5);
  white-space: nowrap;
}

@media (hover: hover) {
  .back-btn-absolute:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--green-500);
  }
}

.back-btn-absolute:active {
  transform: scale(0.96);
  transition: transform 0.1s;
}

/* Mobile: bottom nav style */
@media (max-width: 768px) {
  .back-btn-absolute {
    top: auto;
    left: 50%;
    bottom: calc(env(safe-area-inset-bottom, 0px) + var(--space-4));
    transform: translateX(-50%);
    justify-content: center;
    min-width: min(240px, calc(100vw - 2 * var(--space-4)));
    padding: 12px 20px;
    font-size: var(--text-sm);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.75);
    box-shadow:
      0 12px 30px rgba(17, 24, 39, 0.18),
      inset 0 1px 0 rgba(255, 255, 255, 0.85);
  }

  .back-btn-absolute:active {
    transform: translateX(-50%) scale(0.96);
  }
}

@media (max-width: 768px) {
  body[data-page="admin"],
  body[data-page="counter"],
  body[data-page="flower"],
  body[data-page="game-catch"],
  body[data-page="game-memory"],
  body[data-page="game-quiz"],
  body[data-page="game-wheel"],
  body[data-page="games"],
  body[data-page="letters"],
  body[data-page="memories"],
  body[data-page="music"],
  body[data-page="pet"],
  body[data-page="surprise"],
  body[data-page="wish-tree"] {
    padding-bottom: calc(84px + env(safe-area-inset-bottom, 0px));
  }
}

/* Sayfa içi geri dön butonu (ör: Oyunlara Dön) */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--gray-700);
  font-family: 'Quicksand', sans-serif;
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.6);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--rounded-full);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: all var(--duration-normal) var(--ease-smooth);
}

@media (hover: hover) {
  .back-btn:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
  }
}

.back-btn:active {
  transform: scale(0.96);
  transition: transform 0.1s;
}

.hidden {
  display: none !important;
}