.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--space-4);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(12px) scale(0.98);
  transition: transform var(--transition-base);
}

.modal-backdrop.open .modal {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border-subtle);
}

.modal-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
}

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
  font-size: 18px;
  line-height: 1;
}

.modal-close:hover {
  background: var(--color-accent-dim);
  color: var(--color-text-primary);
}

.modal-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border-subtle);
}

/* Form elements inside modal */
.modal-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.modal-field label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-primary);
}

.modal-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.modal-input {
  width: 100%;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  padding-right: 44px;
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast);
}

.modal-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.modal-input::placeholder {
  color: var(--color-text-disabled);
}

.input-toggle-btn {
  position: absolute;
  right: var(--space-2);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.input-toggle-btn:hover {
  background: var(--color-accent-dim);
  color: var(--color-text-primary);
}

.modal-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.modal-steps {
  list-style: decimal inside;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  line-height: 1.5;
  padding-left: var(--space-2);
}

.modal-steps li::marker {
  color: var(--color-accent);
  font-weight: 600;
}

.modal-steps a {
  color: var(--color-accent);
  text-decoration: underline;
}

/* Bulleted info list (model modal) */
.modal-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.modal-points li {
  position: relative;
  padding-left: var(--space-5);
}

.modal-points li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
}

.modal-points strong {
  color: var(--color-text-primary);
}

/* Model download progress */
.model-progress {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.model-progress-bar {
  width: 100%;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-card);
  overflow: hidden;
}

.model-progress-fill {
  height: 100%;
  width: 0%;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  transition: width 0.2s ease;
}

.model-progress-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}