/* Demo SPA Animations - Modern UX Effects */

/* =====================================================
   STEP TRANSITIONS
   ===================================================== */

.demo-spa-container {
  position: relative;
}

.demo-step {
  display: none;
}

.demo-step.active {
  display: block;
  animation: stepFadeIn 0.3s ease-out;
}

@keyframes stepFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =====================================================
   PROGRESS BAR
   ===================================================== */

.demo-spa-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 0;
  margin-bottom: 24px;
}

.demo-spa-progress-step {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #e2e8f0;
  color: #64748b;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.demo-spa-progress-step.active {
  background: #1799E8;
  color: white;
  transform: scale(1.1);
}

.demo-spa-progress-step.completed {
  background: #10b981;
  color: white;
  animation: stepComplete 0.3s ease forwards;
}

.demo-spa-progress-line {
  width: 40px;
  height: 3px;
  background: #e2e8f0;
  border-radius: 2px;
  transition: background 0.3s ease;
}

.demo-spa-progress-line.completed {
  background: #10b981;
}

@keyframes stepComplete {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* =====================================================
   STAGGERED ENTRANCE ANIMATIONS
   ===================================================== */

.demo-step.active .demo-animate-in {
  opacity: 0;
  animation: fadeSlideUp 0.4s ease forwards;
}

.demo-step.active .demo-animate-in:nth-child(1) { animation-delay: 0s; }
.demo-step.active .demo-animate-in:nth-child(2) { animation-delay: 0.08s; }
.demo-step.active .demo-animate-in:nth-child(3) { animation-delay: 0.16s; }
.demo-step.active .demo-animate-in:nth-child(4) { animation-delay: 0.24s; }
.demo-step.active .demo-animate-in:nth-child(5) { animation-delay: 0.32s; }
.demo-step.active .demo-animate-in:nth-child(6) { animation-delay: 0.40s; }
.demo-step.active .demo-animate-in:nth-child(7) { animation-delay: 0.48s; }
.demo-step.active .demo-animate-in:nth-child(8) { animation-delay: 0.56s; }

@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =====================================================
   CARD HOVER EFFECTS
   ===================================================== */

.demo-spa-page .demo-property-card-v2 {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.demo-spa-page .demo-property-card-v2:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.demo-spa-page .demo-mortgage-option-card {
  transition: all 0.25s ease;
  cursor: pointer;
}

.demo-spa-page .demo-mortgage-option-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(23, 153, 232, 0.15);
}

.demo-spa-page .demo-mortgage-option-card.selected {
  animation: selectPulse 0.3s ease;
}

@keyframes selectPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); }
}

/* =====================================================
   BUTTON MICRO-INTERACTIONS
   ===================================================== */

.demo-spa-page .demo-continue-btn {
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
  position: relative;
  overflow: hidden;
}

.demo-spa-page .demo-continue-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(23, 153, 232, 0.35);
}

.demo-spa-page .demo-continue-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(23, 153, 232, 0.25);
}

/* Back button */
.demo-spa-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: transparent;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  color: #64748b;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.demo-spa-back-btn:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
  color: #1e293b;
}

.demo-spa-back-btn svg {
  width: 18px;
  height: 18px;
}

/* =====================================================
   INPUT FOCUS EFFECTS
   ===================================================== */

.demo-spa-page .demo-select {
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.demo-spa-page .demo-select:focus {
  border-color: #1799E8;
  box-shadow: 0 0 0 3px rgba(23, 153, 232, 0.15);
  outline: none;
}

.demo-spa-page .demo-slider {
  transition: opacity 0.2s ease;
}

.demo-spa-page .demo-slider:focus {
  outline: none;
}

.demo-spa-page .demo-slider::-webkit-slider-thumb {
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.demo-spa-page .demo-slider:hover::-webkit-slider-thumb {
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(23, 153, 232, 0.4);
}

/* =====================================================
   RADIO/OPTION SELECTION EFFECTS
   ===================================================== */

.demo-spa-page .demo-radio-item {
  transition: all 0.2s ease;
}

.demo-spa-page .demo-radio-item:hover {
  background: rgba(23, 153, 232, 0.05);
}

.demo-spa-page .demo-radio-item.selected {
  animation: radioSelect 0.2s ease;
}

@keyframes radioSelect {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); }
}

/* =====================================================
   CONGRATULATIONS / CELEBRATION
   ===================================================== */

/* Make step 4 fill full width with blue background */
.demo-step.demo-step-congratulations {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  padding: 0;
}

.demo-step-congratulations .demo-preapproved-page {
  min-height: calc(100vh - 200px);
  padding-top: 40px;
  padding-bottom: 60px;
}

.demo-step-congratulations .demo-preapproved-title {
  opacity: 0;
  animation: celebrateIn 0.6s ease forwards;
  animation-delay: 0.2s;
}

.demo-step-congratulations .demo-preapproved-subtitle {
  opacity: 0;
  animation: fadeSlideUp 0.5s ease forwards;
  animation-delay: 0.4s;
}

.demo-step-congratulations .demo-preapproved-image {
  opacity: 0;
  animation: imageReveal 0.6s ease forwards;
  animation-delay: 0.1s;
}

@keyframes celebrateIn {
  0% {
    opacity: 0;
    transform: scale(0.8) translateY(20px);
  }
  60% {
    transform: scale(1.05) translateY(0);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes imageReveal {
  0% {
    opacity: 0;
    transform: scale(0.95);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* =====================================================
   NUMBER VALUE ANIMATION (visual indicator)
   ===================================================== */

.demo-value-updating {
  animation: valueFlash 0.3s ease;
}

@keyframes valueFlash {
  0% { opacity: 1; }
  30% { opacity: 0.5; }
  100% { opacity: 1; }
}

/* =====================================================
   LOADING / TRANSITION STATE
   ===================================================== */

.demo-spa-loading {
  opacity: 0.6;
  pointer-events: none;
}

/* =====================================================
   NAVIGATION BUTTONS ROW
   ===================================================== */

.demo-spa-nav-buttons {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.demo-spa-nav-buttons .demo-continue-btn {
  flex: 1;
}

/* =====================================================
   ACCESSIBILITY - REDUCED MOTION
   ===================================================== */

@media (prefers-reduced-motion: reduce) {
  .demo-step,
  .demo-spa-progress-step,
  .demo-spa-progress-line,
  .demo-continue-btn,
  .demo-mortgage-option-card,
  .demo-property-card-v2,
  .demo-radio-item,
  .demo-select,
  .demo-slider,
  .demo-animate-in {
    transition: none !important;
    animation: none !important;
  }

  .demo-step {
    opacity: 1;
    transform: none;
    visibility: visible;
  }

  .demo-step:not(.active) {
    display: none;
  }

  .demo-step.active .demo-animate-in {
    opacity: 1;
  }

  .demo-step-congratulations .demo-preapproved-title,
  .demo-step-congratulations .demo-preapproved-subtitle,
  .demo-step-congratulations .demo-preapproved-image {
    opacity: 1;
  }
}

/* =====================================================
   FOOTER STYLES
   ===================================================== */

.footer-link-disabled {
  opacity: 0.6;
  cursor: default;
}

/* =====================================================
   MOBILE OPTIMIZATIONS
   ===================================================== */

@media (max-width: 640px) {
  .demo-spa-progress-step {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }

  .demo-spa-progress-line {
    width: 24px;
  }

  .demo-spa-nav-buttons {
    flex-direction: column;
  }

  .demo-spa-back-btn {
    justify-content: center;
  }
}