/* Social Share Styles - Mobile-First */

/* Floating share button (appears after portrait loads) */
#floating-share-btn {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: var(--text-inverse);
  border: 2px solid var(--accent-color);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  z-index: 999;
  transition: all var(--transition-base);
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 600;
}

#floating-share-btn:hover {
  transform: scale(1.1);
}

#floating-share-btn:active {
  transform: scale(0.95);
}

/* Celebration animation */
@keyframes shareButtonPop {
  0% { transform: scale(0); opacity: 0; }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); opacity: 1; }
}

.share-btn-animate {
  animation: shareButtonPop 0.5s ease-out;
}

/* Share modal */
#share-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

#share-modal .modal-content {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: min(500px, calc(100vw - 2rem));
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-xl);
  position: relative;
  border: 1px solid var(--border-light);
}

#share-modal h3 {
  margin: 0 0 1rem 0;
  color: var(--primary-color);
  font-size: var(--font-size-xl);
}

#share-modal .close-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border: none;
  background: var(--text-secondary);
  color: white;
  border-radius: 50%;
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  transition: background 0.2s;
}

#share-modal .close-btn:hover {
  background: var(--error-color);
}

/* Portrait preview */
#share-portrait-preview {
  max-width: 200px;
  border-radius: 8px;
  margin: 1rem auto;
  box-shadow: var(--shadow-md);
}

#share-modal p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin: 0.5rem 0 1.5rem 0;
}

/* Share button grid */
.share-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 1.5rem;
}

.share-grid button {
  padding: var(--space-md);
  border: 2px solid var(--border-medium);
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: var(--font-size-sm);
  font-weight: 600;
  line-height: 1.4;
  transition: all var(--transition-base);
  min-height: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  touch-action: manipulation;
}

.share-grid button:hover {
  background: var(--bg-accent);
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.share-grid button:active {
  transform: translateY(0);
}

/* Toast notification */
.share-toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--success-color);
  color: var(--text-inverse);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 1001;
  opacity: 0;
  transition: all var(--transition-base);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: var(--font-size-sm);
  font-weight: 600;
  white-space: nowrap;
}

.share-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Mobile optimizations */
@media (max-width: 640px) {
  #floating-share-btn {
    bottom: 70px;
    right: 16px;
    width: 56px;
    height: 56px;
    font-size: 22px;
  }

  #share-modal .modal-content {
    padding: 1.5rem;
  }

  .share-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .share-grid button {
    min-height: 70px;
    font-size: 13px;
  }
}

/* Tablet and up */
@media (min-width: 768px) {
  .share-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}