/*
 * GF PriceChecker - Component Library
 * Following DESIGN-SYSTEM.md guidelines
 * Clean, functional components with accessibility support
 */

/* ========================================
   BUTTONS
   ======================================== */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-family);
  font-size: var(--text-md);
  font-weight: var(--font-semibold);
  line-height: 1;
  text-align: center;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Primary Button - Solid blue, no gradient */
.button-primary {
  background-color: var(--primary-blue);
  color: var(--white);
}

.button-primary:hover:not(:disabled) {
  background-color: rgba(0, 0, 255, 0.85); /* Opacity change, NOT gradient */
}

.button-primary:focus-visible {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

/* Secondary Button - Outlined style */
.button-secondary {
  background-color: var(--white);
  color: var(--primary-blue);
  border: 2px solid var(--primary-blue);
}

.button-secondary:hover:not(:disabled) {
  background-color: var(--light-gray);
}

.button-secondary:focus-visible {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

/* ========================================
   NAVIGATION BAR
   ======================================== */

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--white);
  border-bottom: 1px solid var(--light-gray);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05); /* Subtle shadow only */
}

.navbar-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  padding-bottom: var(--space-md);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--black);
  text-decoration: none;
}

.navbar-brand:hover {
  opacity: 0.85;
}

.navbar-logo {
  height: 32px;
  width: auto;
}

/* Mobile menu toggle */
.navbar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  border-radius: var(--border-radius);
}

.navbar-toggle:hover {
  background-color: var(--light-gray);
}

.navbar-toggle:focus-visible {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

/* Hamburger icon */
.navbar-toggle-icon {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--black);
  position: relative;
  transition: background-color var(--transition-fast);
}

.navbar-toggle-icon::before,
.navbar-toggle-icon::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--black);
  transition: transform var(--transition-fast);
}

.navbar-toggle-icon::before {
  top: -8px;
}

.navbar-toggle-icon::after {
  bottom: -8px;
}

/* Animated X when open */
.navbar-toggle[aria-expanded="true"] .navbar-toggle-icon {
  background-color: transparent;
}

.navbar-toggle[aria-expanded="true"] .navbar-toggle-icon::before {
  transform: translateY(8px) rotate(45deg);
}

.navbar-toggle[aria-expanded="true"] .navbar-toggle-icon::after {
  transform: translateY(-8px) rotate(-45deg);
}

/* Navigation menu */
.navbar-menu {
  display: none;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-md) 0;
  width: 100%;
  order: 3;
}

.navbar-menu.is-active {
  display: flex;
}

.navbar-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  list-style: none;
  padding: 0;
  margin: 0;
}

.navbar-link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  color: var(--black);
  font-weight: var(--font-semibold);
  border-radius: var(--border-radius);
  transition: background-color var(--transition-fast);
}

.navbar-link:hover {
  background-color: var(--light-gray);
}

.navbar-link.is-active {
  color: var(--primary-blue);
  background-color: var(--light-gray);
}

/* Desktop navigation */
@media (min-width: 768px) {
  .navbar-toggle {
    display: none;
  }

  .navbar-menu {
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: 0;
  }

  .navbar-nav {
    flex-direction: row;
    gap: var(--space-md);
  }

  .navbar-link {
    padding: var(--space-sm) var(--space-md);
  }
}

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

.footer {
  background-color: var(--light-gray);
  border-top: 1px solid var(--medium-gray);
  margin-top: var(--space-3xl);
}

.footer-container {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.footer-content {
  display: grid;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--black);
  margin-bottom: var(--space-sm);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-link {
  color: var(--dark-gray);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--primary-blue);
}

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--medium-gray);
  text-align: center;
  color: var(--dark-gray);
  font-size: var(--text-sm);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-content {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ========================================
   STATUS BANNER
   ======================================== */

.status-banner {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--border-radius);
  margin-top: var(--space-xl);
  margin-bottom: 0;
  font-weight: var(--font-semibold);
  text-align: center;
}

.status-banner-coming-soon {
  background-color: var(--light-gray);
  color: var(--black);
  border: 2px solid var(--medium-gray);
}

.status-banner-testflight {
  background-color: var(--primary-blue);
  color: var(--white);
}

.status-banner-available {
  background-color: var(--success);
  color: var(--white);
}

.status-banner-maintenance {
  background-color: var(--warning);
  color: var(--black);
}

/* ========================================
   CARDS
   ======================================== */

.card {
  background-color: var(--white);
  border: 1px solid var(--light-gray);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05); /* Subtle shadow only */
  transition: box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
}

.card-image {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  margin-bottom: var(--space-md);
}

.card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-sm);
  color: var(--black);
}

.card-text {
  color: var(--dark-gray);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-md);
}

.card-footer {
  padding-top: var(--space-md);
  border-top: 1px solid var(--light-gray);
  margin-top: var(--space-md);
}

/* ========================================
   ACCORDION
   ======================================== */

.accordion {
  border: 1px solid var(--light-gray);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--light-gray);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  margin: 0;
}

.accordion-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  font-size: var(--text-md);
  font-weight: var(--font-semibold);
  text-align: left;
  color: var(--black);
  background-color: var(--white);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.accordion-button:hover {
  background-color: var(--light-gray);
}

.accordion-button:focus-visible {
  outline: 2px solid var(--primary-blue);
  outline-offset: -2px;
  z-index: 1;
}

.accordion-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  transition: transform var(--transition-fast);
}

.accordion-button[aria-expanded="true"] .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  display: none;
  padding: var(--space-md) var(--space-lg);
  color: var(--dark-gray);
  line-height: var(--line-height-relaxed);
}

.accordion-content.is-active {
  display: block;
}

/* ========================================
   EMPTY STATE
   ======================================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl) var(--space-lg);
  text-align: center;
}

.section .empty-state {
  padding-top: 0;
}

.section .empty-state:last-child {
  padding-bottom: 0;
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-lg);
  color: var(--medium-gray);
}

.empty-state-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
  color: var(--black);
  margin-bottom: var(--space-sm);
}

.empty-state-description {
  max-width: 400px;
  color: var(--dark-gray);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-lg);
}

.empty-state-action {
  margin-top: var(--space-md);
}

/* ========================================
   BADGE
   ======================================== */

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  border-radius: 999px;
  background-color: var(--light-gray);
  color: var(--black);
}

.badge-primary {
  background-color: var(--primary-blue);
  color: var(--white);
}

.badge-success {
  background-color: var(--success);
  color: var(--white);
}

.badge-warning {
  background-color: var(--warning);
  color: var(--white);
}

.badge-error {
  background-color: var(--error);
  color: var(--white);
}

/* ========================================
   CAROUSEL
   ======================================== */

.carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
  background-color: var(--white);
  border-radius: var(--border-radius);
}

.carousel-viewport {
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge */
  cursor: grab;
  user-select: none;
}

.carousel-viewport::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

.carousel-viewport:active {
  cursor: grabbing;
}

.carousel-track {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
}

.carousel-slide {
  flex: 0 0 auto;
  width: 257px;
  height: 560px;
  border-radius: var(--border-radius);
  overflow: hidden;
  background-color: var(--light-gray);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
}

.carousel-slide:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Stacked visual effect - progressive z-index and opacity */
.carousel-slide:nth-child(n+2) {
  opacity: 0.95;
}

.carousel-slide:nth-child(n+3) {
  opacity: 0.9;
}

.carousel-slide:nth-child(n+4) {
  opacity: 0.85;
}

/* Carousel controls */
.carousel-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
}

.carousel-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background-color: var(--white);
  border: 2px solid var(--primary-blue);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--primary-blue);
}

.carousel-button:hover:not(:disabled) {
  background-color: var(--primary-blue);
  color: var(--white);
}

.carousel-button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  border-color: var(--medium-gray);
  color: var(--medium-gray);
}

.carousel-button:focus-visible {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

.carousel-button svg {
  width: 20px;
  height: 20px;
}

/* Progress indicator */
.carousel-progress {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0 var(--space-lg) var(--space-lg);
}

.carousel-progress-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--medium-gray);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  cursor: pointer;
}

.carousel-progress-dot.is-active {
  background-color: var(--primary-blue);
  transform: scale(1.25);
}

.carousel-progress-dot:hover {
  background-color: var(--primary-blue);
}

.carousel-progress-dot:focus-visible {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

/* Tablet and up */
@media (min-width: 768px) {
  .carousel-slide {
    width: 320px;
    height: 640px;
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .carousel-slide {
    width: 331px;
    height: 720px;
  }
}

/* ========================================
   VIDEO PLAYER
   ======================================== */

.video-container {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--border-radius);
  overflow: hidden;
  background-color: var(--black);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.video-player {
  width: 100%;
  height: auto;
  display: block;
}

.video-grid {
  display: grid;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* 3-video layout: center the last item */
  .video-grid-three {
    grid-template-columns: repeat(2, 1fr);
  }

  .video-grid-three .video-item:last-child {
    grid-column: 1 / -1;
    max-width: 50%;
    justify-self: center;
  }
}

.video-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.video-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--black);
  margin: 0;
}

.video-description {
  font-size: var(--text-sm);
  color: var(--dark-gray);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

/* ========================================
   BETA PAGE LISTS
   ======================================== */

.beta-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: step-counter;
}

.beta-steps li {
  counter-increment: step-counter;
  margin-bottom: var(--space-xl);
  padding-left: var(--space-2xl);
  position: relative;
}

.beta-steps li::before {
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  background-color: var(--primary-blue);
  color: var(--white);
  font-weight: var(--font-bold);
  font-size: var(--text-sm);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.beta-steps li strong {
  display: block;
  font-size: var(--text-lg);
  margin-bottom: var(--space-xs);
  color: var(--black);
}

.beta-steps li p {
  margin: 0;
  color: var(--dark-gray);
  line-height: var(--line-height-relaxed);
}

.beta-steps li a {
  color: var(--primary-blue);
  text-decoration: underline;
}

.beta-steps li a:hover {
  text-decoration: none;
}

.beta-focus-list {
  list-style: none;
  padding: 0;
  margin: var(--space-lg) 0;
}

.beta-focus-list li {
  padding: var(--space-md) 0;
  padding-left: var(--space-lg);
  border-bottom: 1px solid var(--light-gray);
  position: relative;
  color: var(--dark-gray);
  line-height: var(--line-height-relaxed);
}

.beta-focus-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background-color: var(--primary-blue);
  border-radius: 50%;
}

.beta-focus-list li:last-child {
  border-bottom: none;
}

.beta-focus-list li strong {
  color: var(--black);
}