/* ==========================================================================
   CME Passport POC -- Premium Styles
   Supplements Tailwind CSS (CDN). Only includes what Tailwind cannot handle:
   animations, transitions, special effects, component-specific styling.

   Design: Material Design 3 / Apple Health / premium fintech aesthetic.
   ========================================================================== */


/* ==========================================================================
   1. Design Tokens
   ========================================================================== */

:root {
  /* Brand palette */
  --brand-50: #eff6ff;
  --brand-100: #dbeafe;
  --brand-500: #3b82f6;
  --brand-600: #2563eb;
  --brand-700: #1d4ed8;

  /* Semantic colors */
  --green-50: #f0fdf4;
  --green-700: #15803d;
  --amber-50: #fffbeb;
  --amber-700: #b45309;
  --red-50: #fef2f2;
  --red-700: #b91c1c;

  /* Neutrals */
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;

  /* Motion */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Elevation */
  --shadow-lift: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04);
}


/* ==========================================================================
   2. Screen Transitions
   ========================================================================== */

.screen {
  transition: opacity var(--transition-smooth);
}

.screen.hidden {
  display: none;
}


/* ==========================================================================
   3. Progress Ring
   ========================================================================== */

.progress-ring-circle {
  transition: stroke-dashoffset 1s cubic-bezier(0.4, 0, 0.2, 1);
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
}


/* ==========================================================================
   4. Onboarding Slides
   ========================================================================== */

.onboarding-slide {
  display: none;
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity var(--transition-smooth),
    transform var(--transition-smooth);
  pointer-events: none;
}

.onboarding-slide.active {
  display: flex;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.onboarding-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--gray-300);
  transition:
    background-color var(--transition-base),
    transform var(--transition-base);
  cursor: pointer;
}

.onboarding-dot.active {
  background-color: var(--brand-500);
  transform: scale(1.3);
}


/* ==========================================================================
   5. Bottom Navigation
   ========================================================================== */

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-around;
  align-items: center;
  background: #ffffff;
  border-top: 1px solid #f3f4f6;
  padding: 8px 0;
  padding-bottom: calc(8px + env(safe-area-inset-bottom, 0px));
  z-index: 40;
}

.bottom-nav-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 4px 12px;
  color: var(--gray-400);
  font-size: 0.625rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-base);
  position: relative;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.bottom-nav-tab svg,
.bottom-nav-tab .nav-icon {
  width: 22px;
  height: 22px;
  transition: color var(--transition-base);
}

.bottom-nav-tab.active {
  color: var(--brand-600);
  font-weight: 600;
}

.bottom-nav-tab.active::after {
  content: "";
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background-color: var(--brand-600);
  border-radius: 0 0 3px 3px;
}


/* ==========================================================================
   6. Filter Chips
   ========================================================================== */

.cert-filter-chip,
.event-filter-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 9999px;
  border: 1px solid var(--gray-300);
  background: #ffffff;
  color: #374151;
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
}

.cert-filter-chip:hover,
.event-filter-chip:hover {
  border-color: var(--brand-500);
  color: var(--brand-600);
}

.cert-filter-chip.active,
.event-filter-chip.active {
  background-color: var(--brand-600);
  color: #ffffff;
  border-color: var(--brand-600);
  box-shadow: 0 1px 3px rgba(37, 99, 235, 0.2);
}


/* ==========================================================================
   7. Category Radio Buttons
   ========================================================================== */

.category-radio input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.category-radio span {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border: 1.5px solid #e5e7eb;
  border-radius: 12px;
  background: #ffffff;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition:
    border-color var(--transition-base),
    background-color var(--transition-base),
    color var(--transition-base);
}

.category-radio input:checked + span {
  border-color: var(--brand-600);
  background-color: var(--brand-50);
  color: var(--brand-700);
}

.category-radio input:focus-visible + span {
  outline: 2px solid var(--brand-500);
  outline-offset: 2px;
}


/* ==========================================================================
   8. Toggle Switch
   ========================================================================== */

.toggle-track {
  position: relative;
  width: 44px;
  height: 24px;
  background-color: #d1d5db;
  border-radius: 9999px;
  cursor: pointer;
  transition: background-color var(--transition-base);
  flex-shrink: 0;
}

.toggle-track.checked {
  background-color: var(--brand-600);
}

.toggle-dot {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background-color: #ffffff;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  transition: transform var(--transition-smooth);
}

.toggle-track.checked .toggle-dot {
  transform: translateX(20px);
}


/* ==========================================================================
   9. Cards & Interactivity
   ========================================================================== */

.card-interactive {
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.card-interactive:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lift);
}

.card-interactive:active {
  transform: scale(0.98);
  box-shadow: var(--shadow-card);
}


/* ==========================================================================
   10. Status Badges
   ========================================================================== */

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.4;
}

.status-on-track {
  background-color: var(--green-50);
  color: var(--green-700);
}

.status-at-risk {
  background-color: var(--amber-50);
  color: var(--amber-700);
}

.status-urgent {
  background-color: var(--red-50);
  color: var(--red-700);
  animation: pulse 2s ease-in-out infinite;
}

.status-completed {
  background-color: var(--brand-50);
  color: var(--brand-700);
}


/* ==========================================================================
   11. Toast Notifications
   ========================================================================== */

.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 20px;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 500;
  color: #ffffff;
  z-index: 50;
  animation:
    toastSlideUp 0.35s var(--ease-out-expo),
    toastFadeIn 0.25s ease;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  max-width: calc(100% - 32px);
  text-align: center;
}

.toast-success {
  background-color: #16a34a;
}

.toast-error {
  background-color: #dc2626;
}

.toast-info {
  background-color: #2563eb;
}


/* ==========================================================================
   12. Keyframe Animations
   ========================================================================== */

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

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes toastSlideUp {
  from {
    transform: translate(-50%, 20px);
    opacity: 0;
  }
  to {
    transform: translate(-50%, 0);
    opacity: 1;
  }
}

@keyframes toastFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes countUp {
  from {
    opacity: 0;
    transform: scale(0.5);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes skeletonShimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Utility animation classes */
.animate-fade-in {
  animation: fadeIn 0.4s ease forwards;
}

.animate-count-up {
  animation: countUp 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}


/* ==========================================================================
   13. Gradient Backgrounds
   ========================================================================== */

.gradient-hero {
  background: linear-gradient(
    180deg,
    var(--brand-50) 0%,
    #ffffff 40%,
    #ffffff 100%
  );
}


/* ==========================================================================
   14. Custom Scrollbar
   ========================================================================== */

::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
  background: #9ca3af;
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: #d1d5db transparent;
}


/* ==========================================================================
   15. Form Focus States
   ========================================================================== */

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
textarea,
select {
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

input[type="text"]:hover,
input[type="email"]:hover,
input[type="password"]:hover,
input[type="number"]:hover,
input[type="date"]:hover,
textarea:hover,
select:hover {
  border-color: #9ca3af;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--brand-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}


/* ==========================================================================
   16. Button Press Effect
   ========================================================================== */

.btn-primary {
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-base);
}

.btn-primary:active {
  transform: scale(0.97);
}


/* ==========================================================================
   17. Skeleton Loading
   ========================================================================== */

.skeleton {
  background: linear-gradient(
    90deg,
    #f3f4f6 25%,
    #e5e7eb 50%,
    #f3f4f6 75%
  );
  background-size: 200% 100%;
  animation: skeletonShimmer 1.5s ease-in-out infinite;
  border-radius: 8px;
}


/* ==========================================================================
   18. Safe Area (iOS Notch)
   ========================================================================== */

@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .safe-area-bottom {
    padding-bottom: env(safe-area-inset-bottom);
  }
}


/* ==========================================================================
   19. Print Styles
   ========================================================================== */

@media print {
  body > *:not(.report-content) {
    display: none !important;
  }

  .bottom-nav,
  .toast,
  .onboarding-slide,
  .onboarding-dot {
    display: none !important;
  }

  .report-content {
    display: block !important;
    padding: 0;
    margin: 0;
  }

  * {
    box-shadow: none !important;
    animation: none !important;
    transition: none !important;
  }
}