.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  animation: fadeIn 0.2s ease;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  max-width: 320px;
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  z-index: var(--z-modal);
  animation: scaleIn 0.3s ease;
  overflow: hidden;
}

.modal-header {
  padding: var(--space-xl) var(--space-xl) var(--space-md);
  text-align: center;
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-title);
}

.modal-body {
  padding: 0 var(--space-xl) var(--space-xl);
  text-align: center;
  color: var(--color-text-body);
  font-size: var(--font-size-base);
}

.modal-footer {
  display: flex;
  border-top: 1px solid var(--color-border);
}

.modal-footer .modal-btn {
  flex: 1;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  transition: background 0.2s;
}

.modal-footer .modal-btn:active {
  background: var(--color-bg);
}

.modal-footer .modal-btn + .modal-btn {
  border-left: 1px solid var(--color-border);
}

.modal-footer .modal-btn-confirm {
  color: var(--color-primary);
  font-weight: 600;
}

.modal-footer .modal-btn-cancel {
  color: var(--color-text-secondary);
}

/* Toast */
.toast-container {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: var(--z-toast);
  pointer-events: none;
}

.toast {
  background: rgba(0, 0, 0, 0.75);
  color: white;
  padding: 14px var(--space-xl);
  border-radius: var(--radius-md);
  font-size: var(--font-size-lg);
  line-height: 1.5;
  text-align: center;
  max-width: 280px;
  animation: fadeIn 0.2s ease;
  pointer-events: none;
}

/* Loading */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.6);
  z-index: var(--z-modal);
}

.loading-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Ad Modal */
.ad-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: var(--z-modal);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s ease;
}

.ad-modal-content {
  width: 300px;
  height: 400px;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  text-align: center;
  padding: var(--space-xl);
}

.ad-modal-content h3 {
  font-size: var(--font-size-xxl);
  margin-bottom: var(--space-md);
}

.ad-modal-content p {
  font-size: var(--font-size-base);
  opacity: 0.8;
  margin-bottom: var(--space-xl);
}

.ad-modal-timer {
  position: absolute;
  top: 60px;
  right: 20px;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  min-height: 44px;
  padding: 0 16px;
  border-radius: var(--radius-round);
  font-size: var(--font-size-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
}

.ad-modal-skip {
  position: absolute;
  top: 60px;
  right: 20px;
  background: rgba(255, 255, 255, 0.3);
  color: white;
  min-height: 44px;
  padding: 0 16px;
  border-radius: var(--radius-round);
  font-size: var(--font-size-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
}

.ad-modal-skip:active {
  background: rgba(255, 255, 255, 0.5);
}