/* ── Modal Styles ── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: var(--z-overlay);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-default);
}

.modal-backdrop.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-modal);
  max-width: 90vw;
  max-height: 90vh;
  overflow: auto;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-default);
}

.modal.show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  margin: 0;
}

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-default);
}

.modal-close:hover {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

.modal-body {
  padding: var(--space-4);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
}

/* ── Modal Sizes ── */
.modal-sm {
  width: 400px;
}

.modal-lg {
  width: 600px;
}

.modal-xl {
  width: 800px;
}

@media (max-width: 640px) {
  .modal-sm,
  .modal-lg,
  .modal-xl {
    width: 90vw;
  }
}

/* ── Dialog/Alert Styles ── */
.dialog {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  text-align: center;
}

.dialog-icon {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-4);
}

.dialog-icon.success {
  color: var(--color-success);
}

.dialog-icon.error {
  color: var(--color-error);
}

.dialog-icon.warning {
  color: var(--color-warning);
}

.dialog-icon.info {
  color: var(--color-primary);
}

.dialog-title {
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  margin: 0 0 var(--space-3) 0;
}

.dialog-message {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0 0 var(--space-6) 0;
}

.dialog-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
}