/* =============================================================================
   POLAR LIGHT STUDIO — Components
   =============================================================================
   Reusable UI components: navigation, buttons, cards, etc.
   Assumes variables.css, base.css, and layout.css are loaded first.
============================================================================= */

/* ---------------------------------------------------------------------------
   Site Header / Navigation
--------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-header__logo {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.site-header__logo:hover {
  color: var(--color-accent);
}

/* Desktop navigation */
.nav {
  display: none;
}

.nav__list {
  display: flex;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  padding: var(--space-2) 0;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-text-primary);
}

.nav__link--active {
  position: relative;
}

.nav__link--active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-accent);
}

/* Mobile menu toggle */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 24px;
  height: 24px;
  cursor: pointer;
}

.nav-toggle__line {
  width: 100%;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Mobile navigation */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  top: 64px;
  background-color: var(--color-bg-primary);
  z-index: var(--z-overlay);
  padding: var(--space-6);
}

.mobile-nav--open {
  display: block;
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.mobile-nav__link {
  display: block;
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast);
}

.mobile-nav__link:hover,
.mobile-nav__link--active {
  color: var(--color-text-primary);
}

@media (min-width: 768px) {
  .nav {
    display: block;
  }
  
  .nav-toggle {
    display: none;
  }
}

/* ---------------------------------------------------------------------------
   Site Footer
--------------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-10) 0;
  margin-top: auto;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}

.site-footer__brand {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

.site-footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.site-footer__links a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.site-footer__links a:hover {
  color: var(--color-accent);
}

.site-footer__separator {
  color: var(--color-text-tertiary);
}

.site-footer__copyright {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* ---------------------------------------------------------------------------
   Buttons
--------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

/* Shine effect on hover */
.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

/* Primary - filled accent with glow */
.btn--primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dim) 100%);
  color: var(--color-bg-primary);
  border: none;
}

.btn--primary:hover {
  box-shadow: var(--shadow-glow-strong);
  transform: translateY(-1px);
}

.btn--primary:active {
  transform: translateY(0);
}

/* Secondary - outlined with glow on hover */
.btn--secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-hover);
}

.btn--secondary:hover {
  background-color: var(--color-bg-secondary);
  border-color: var(--color-accent);
  box-shadow: 0 0 15px var(--color-accent-glow);
}

/* Ghost - minimal */
.btn--ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
}

.btn--ghost:hover {
  color: var(--color-accent);
  background-color: var(--color-bg-secondary);
}

/* Size variants */
.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* State: disabled */
.btn:disabled,
.btn--disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn:disabled::before {
  display: none;
}

/* ---------------------------------------------------------------------------
   Cards — Base pattern
--------------------------------------------------------------------------- */

.card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  border-color: var(--color-border-hover);
}

.card--interactive:hover {
  box-shadow: var(--shadow-md);
}

.card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: var(--color-bg-tertiary);
}

.card__body {
  padding: var(--space-4);
}

.card__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

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

/* ---------------------------------------------------------------------------
   Game Card — Roblox-inspired with animations
--------------------------------------------------------------------------- */

.game-card {
  display: block;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  animation: fade-in 0.3s ease;
}

.game-card:hover {
  border-color: var(--color-border-glow);
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-glow);
}

.game-card__thumbnail {
  position: relative;
  aspect-ratio: 1 / 1;
  background-color: var(--color-bg-tertiary);
  overflow: hidden;
}

.game-card__thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.game-card:hover .game-card__thumbnail img {
  transform: scale(1.05);
}

/* Placeholder for missing thumbnail */
.game-card__thumbnail--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-secondary) 100%);
}

/* Status badge */
.game-card__status {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  border-radius: var(--radius-sm);
  background-color: rgba(15, 23, 42, 0.8);
  color: var(--color-text-primary);
  backdrop-filter: blur(4px);
}

.game-card__status--live {
  background-color: var(--color-success);
  color: var(--color-bg-primary);
  animation: pulse-glow 2s ease-in-out infinite;
}

.game-card__status--dev {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-aurora-cyan) 100%);
  color: var(--color-bg-primary);
}

.game-card__status--maintenance {
  background-color: var(--color-warning);
  color: var(--color-bg-primary);
}

.game-card__status--retired {
  background-color: var(--color-inactive);
  color: var(--color-text-primary);
}

.game-card__body {
  padding: var(--space-3) var(--space-4);
}

.game-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  line-height: var(--leading-tight);
  transition: color var(--transition-fast);
  /* Truncate long titles */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.game-card:hover .game-card__title {
  color: var(--color-accent);
}

.game-card__stats {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.game-card__stat {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.game-card__stat-icon {
  font-size: var(--text-sm);
  line-height: 1;
}

/* Placeholder state for stats */
.game-card__stat--placeholder {
  color: var(--color-text-tertiary);
}

/* Loading shimmer for stats */
.game-card__stat--loading {
  background: linear-gradient(
    90deg,
    var(--color-bg-tertiary) 25%,
    var(--color-bg-secondary) 50%,
    var(--color-bg-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
  color: transparent;
  min-width: 40px;
}

/* ---------------------------------------------------------------------------
   Hero Section
--------------------------------------------------------------------------- */

.hero {
  padding: var(--space-20) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Subtle gradient background */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 150%;
  height: 100%;
  background: radial-gradient(
    ellipse at center top,
    var(--color-accent-glow) 0%,
    transparent 50%
  );
  pointer-events: none;
}

.hero__title {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-4);
  position: relative;
  animation: slide-up 0.6s ease;
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-bright) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-8);
  position: relative;
  animation: slide-up 0.6s ease 0.1s both;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  position: relative;
  animation: slide-up 0.6s ease 0.2s both;
}

@media (max-width: 768px) {
  .hero {
    padding: var(--space-12) 0;
  }
  
  .hero__title {
    font-size: var(--text-3xl);
  }
  
  .hero__subtitle {
    font-size: var(--text-base);
  }
}

/* ---------------------------------------------------------------------------
   Stats Row
--------------------------------------------------------------------------- */

.stats {
  display: flex;
  justify-content: center;
  gap: var(--space-10);
  padding: var(--space-6) 0;
}

.stat {
  text-align: center;
}

.stat__value {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
}

.stat__label {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin-top: var(--space-1);
}

/* Placeholder for unavailable stats */
.stat__value--placeholder {
  color: var(--color-text-tertiary);
}

@media (max-width: 768px) {
  .stats {
    gap: var(--space-6);
  }
  
  .stat__value {
    font-size: var(--text-2xl);
  }
}

/* ---------------------------------------------------------------------------
   Section Header
--------------------------------------------------------------------------- */

.section-header {
  margin-bottom: var(--space-8);
}

.section-header--center {
  text-align: center;
}

.section-header__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

.section-header__subtitle {
  color: var(--color-text-secondary);
}

/* ---------------------------------------------------------------------------
   Badge
--------------------------------------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  border-radius: 9999px;
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}

.badge--accent {
  background-color: var(--color-accent-glow);
  color: var(--color-accent);
}

.badge--success {
  background-color: rgba(74, 222, 128, 0.15);
  color: var(--color-success);
}

.badge--warning {
  background-color: rgba(251, 191, 36, 0.15);
  color: var(--color-warning);
}

/* ---------------------------------------------------------------------------
   Divider
--------------------------------------------------------------------------- */

.divider {
  height: 1px;
  background-color: var(--color-border);
  margin: var(--space-8) 0;
}