/* ============================================
   ONBOARDING MODAL - 3-step welcome wizard
   Requires: design-system.css
   ============================================ */

.onboarding-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  -webkit-backdrop-filter: blur(8px);
          backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: onb-fadeIn 0.3s ease;
}

.onboarding-modal {
  background: linear-gradient(145deg, var(--color-surface-highlight) 0%, var(--color-canvas) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-2xl, 20px);
  width: 460px;
  max-width: 92vw;
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.6),
    0 0 60px rgba(76, 201, 240, 0.06);
  overflow: hidden;
  position: relative;
}

/* Close button */
.onboarding-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.3);
  font-size: 22px;
  cursor: pointer;
  z-index: 2;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s;
}

.onboarding-modal__close:hover {
  color: white;
  background: rgba(255, 255, 255, 0.08);
}

/* Steps container */
.onboarding-steps {
  position: relative;
  overflow: hidden;
}

.onboarding-step {
  padding: 48px 36px 36px;
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  animation: onb-slideIn 0.35s ease;
}

.onboarding-step.active {
  display: flex;
}

/* Step icon / emoji */
.onboarding-step__icon {
  font-size: 56px;
  margin-bottom: 20px;
  filter: drop-shadow(0 4px 20px rgba(76, 201, 240, 0.3));
  animation: onb-float 3s ease-in-out infinite;
}

/* Title */
.onboarding-step__title {
  font-family: var(--font-serif, 'Instrument Serif', serif);
  font-size: 28px;
  color: var(--color-text-primary, #fff);
  margin: 0 0 12px;
  line-height: 1.2;
}

/* Body text */
.onboarding-step__text {
  font-size: 15px;
  color: var(--color-text-secondary, rgba(255, 255, 255, 0.6));
  line-height: 1.6;
  margin: 0 0 8px;
  max-width: 360px;
}

/* Feature cards (step 3) */
.onboarding-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  margin-top: 16px;
}

.onboarding-feature {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg, 12px);
  text-align: left;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
}

.onboarding-feature:hover {
  background: rgba(76, 201, 240, 0.06);
  border-color: rgba(76, 201, 240, 0.2);
  transform: translateX(4px);
}

.onboarding-feature__icon {
  font-size: 24px;
  flex-shrink: 0;
}

.onboarding-feature__label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary, #fff);
}

.onboarding-feature__desc {
  font-size: 12px;
  color: var(--color-text-secondary, rgba(255, 255, 255, 0.5));
  margin-top: 2px;
}

/* Footer (dots + button) */
.onboarding-footer {
  padding: 0 36px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

/* Step dots */
.onboarding-dots {
  display: flex;
  gap: 8px;
}

.onboarding-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  transition: all 0.3s;
}

.onboarding-dot.active {
  width: 24px;
  border-radius: 4px;
  background: var(--color-tech, #4cc9f0);
}

/* CTA button */
.onboarding-cta {
  width: 100%;
  padding: 14px 24px;
  border: none;
  border-radius: var(--radius-lg, 12px);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-canvas, #0f1115);
  background: linear-gradient(135deg, var(--color-tech, #4cc9f0), var(--color-primary, #6366f1));
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 20px rgba(76, 201, 240, 0.25);
}

.onboarding-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(76, 201, 240, 0.35);
}

.onboarding-cta:active {
  transform: translateY(0);
}

/* Skip link */
.onboarding-skip {
  background: none;
  border: none;
  color: var(--color-text-secondary, rgba(255, 255, 255, 0.4));
  font-size: 13px;
  cursor: pointer;
  transition: color 0.2s;
  padding: 4px 8px;
}

.onboarding-skip:hover {
  color: var(--color-text-primary, white);
}

/* Animations */
@keyframes onb-fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes onb-slideIn {
  from {
    opacity: 0;
    transform: translateX(30px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes onb-float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

/* Mobile */
@media (max-width: 480px) {
  .onboarding-step {
    padding: 40px 24px 28px;
  }

  .onboarding-footer {
    padding: 0 24px 24px;
  }

  .onboarding-step__title {
    font-size: 24px;
  }

  .onboarding-step__icon {
    font-size: 44px;
  }
}

/* Upload Zone - inline file picker in Step 2 */
.onboarding-upload-zone {
  margin-top: 16px;
  padding: 20px;
  border: 2px dashed rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  text-align: center;
  transition: all 0.3s ease;
}

.onboarding-upload-zone:hover {
  border-color: rgba(99, 102, 241, 0.4);
  background: rgba(99, 102, 241, 0.04);
}

.onboarding-upload-zone--success {
  border-color: rgba(34, 197, 94, 0.4);
  background: rgba(34, 197, 94, 0.06);
}

.onboarding-upload-zone--loading {
  border-color: rgba(99, 102, 241, 0.4);
  background: rgba(99, 102, 241, 0.04);
  animation: onb-pulse-border 1.5s ease-in-out infinite;
}

@keyframes onb-pulse-border {
  0%,
  100% {
    border-color: rgba(99, 102, 241, 0.2);
  }

  50% {
    border-color: rgba(99, 102, 241, 0.6);
  }
}

.onboarding-upload-zone--error {
  border-color: rgba(248, 113, 113, 0.4);
  background: rgba(248, 113, 113, 0.06);
}

.onboarding-upload-zone--error .onboarding-upload-zone__hint {
  color: var(--color-error);
}

.onboarding-upload-zone--success .onboarding-upload-zone__hint {
  color: var(--color-success);
}

.onboarding-upload-zone__hint {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}

/* Secondary Links - Step 3 */
.onboarding-secondary-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 12px;
}

.onboarding-secondary-link {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
  transition: color 0.2s;
}

.onboarding-secondary-link:hover {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: underline;
}

/* Paste Zone — Step 2 */
.onboarding-paste-zone {
  width: 100%;
  margin-top: 12px;
}

.onboarding-paste-label {
  display: block;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 6px;
  text-align: left;
}

.onboarding-paste-textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg, 10px);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text-primary, #fff);
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
  font-family: inherit;
  transition: border-color 0.3s ease;
}

/* Paste zone filled confirmation */
.onboarding-paste-zone--filled .onboarding-paste-textarea {
  border-color: rgba(34, 197, 94, 0.5);
  background: rgba(34, 197, 94, 0.04);
}

.onboarding-paste-zone--filled .onboarding-paste-label::after {
  content: ' \u2713';
  color: #22c55e;
  font-weight: 600;
}

.onboarding-paste-textarea::-moz-placeholder {
  color: rgba(255, 255, 255, 0.25);
}

.onboarding-paste-textarea::placeholder {
  color: rgba(255, 255, 255, 0.25);
}

.onboarding-paste-textarea:focus {
  outline: none;
  border-color: var(--color-tech, #4cc9f0);
}

/* OR Divider */
.onboarding-or-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 12px 0;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.onboarding-or-divider::before,
.onboarding-or-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
}

/* Upload Button */
.onboarding-upload-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
  padding: 10px 16px;
  border-radius: var(--radius-lg, 10px);
  cursor: pointer;
  transition: all 0.2s;
  width: 100%;
}

.onboarding-upload-btn:hover {
  background: rgba(99, 102, 241, 0.08);
  border-color: rgba(99, 102, 241, 0.3);
  color: rgba(255, 255, 255, 0.8);
}