/* ========================================
   EDU GAMES PLATFORM - Main Stylesheet
   Modern, animated, responsive design
   ======================================== */

/* CSS Custom Properties (Design Tokens) */
:root {
  /* Colors */
  --color-primary: #6366f1;
  --color-primary-dark: #4f46e5;
  --color-primary-light: #818cf8;
  --color-secondary: #10b981;
  --color-accent: #f59e0b;

  --color-bg-dark: #0f0f1a;
  --color-bg-medium: #1a1a2e;
  --color-bg-light: #252542;
  --color-bg-card: #2d2d4a;

  --color-text-primary: #ffffff;
  --color-text-secondary: #a1a1aa;
  --color-text-muted: #71717a;

  /* Typography */
  --font-primary: "Exo 2", "Segoe UI", sans-serif;
  --font-secondary: "Inter", "Segoe UI", sans-serif;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.4);

  /* Layout */
  --nav-height: 60px;
  --container-max: 1280px;
}

/* Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-secondary);
  background-color: var(--color-bg-dark);
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ========================================
   NAVIGATION
   ======================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(15, 15, 26, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(99, 102, 241, 0.2);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
}

.nav__logo {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  letter-spacing: -0.01em;
  line-height: 1;
}

.nav__logo-text {
  display: inline-flex;
}

.nav__logo-letter {
  display: inline-block;
  transition: transform var(--transition-fast);
}

.nav__logo-letter:nth-child(1) {
  color: #818cf8;
}
.nav__logo-letter:nth-child(2) {
  color: #10b981;
}
.nav__logo-letter:nth-child(3) {
  color: #f59e0b;
}
.nav__logo-letter:nth-child(4) {
  color: #ec4899;
}
.nav__logo-letter:nth-child(5) {
  color: #6366f1;
}
.nav__logo-letter:nth-child(6) {
  color: #10b981;
}
.nav__logo-letter:nth-child(7) {
  color: #f59e0b;
}
.nav__logo-letter:nth-child(8) {
  color: #ec4899;
}
.nav__logo-letter:nth-child(9) {
  color: #818cf8;
}

.nav__logo:hover .nav__logo-letter {
  transform: translateY(-1px);
}

.nav__logo-dot {
  width: 0.25em;
  height: 0.25em;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.4);
  display: inline-block;
  align-self: baseline;
}

/* Actions group (right side) */
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.nav__icon-btn {
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.nav__icon-btn:hover,
.nav__icon-btn:focus-visible {
  background: var(--color-bg-light);
  color: var(--color-text-primary);
  box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.35) inset;
  outline: none;
}

.nav__icon-btn.active {
  background: rgba(99, 102, 241, 0.18);
  color: var(--color-primary-light);
  box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.5) inset;
}

.nav__icon-btn__svg {
  width: 22px;
  height: 22px;
}

.nav__login-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.5rem 0.875rem;
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  margin-left: var(--spacing-xs);
}

.nav__login-btn:hover,
.nav__login-btn:focus-visible {
  background: var(--color-bg-light);
  color: var(--color-text-primary);
  border-color: var(--color-primary);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.35);
  transform: translateY(-1px);
  outline: none;
}

.nav__login-btn__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.nav__hamburger {
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: default;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  opacity: 0.4;
}

.nav__hamburger[hidden] {
  display: none;
}

.nav__hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--color-text-secondary);
  border-radius: 2px;
}

.nav__hamburger.active .nav__hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__hamburger.active .nav__hamburger-line:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.active .nav__hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.nav__menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  /* `bottom: 0` zamiast `max-height: calc(100dvh - ...)` — mobile Safari/Chrome
       mają zmienny pasek URL, przez co `vh`/`dvh` na realnym urządzeniu często
       dawały wysokość większą niż widoczny viewport i kawałek menu znikał poza
       ekranem. `bottom: 0` zawsze anchorzy do faktycznego dna viewportu. */
  bottom: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  background: var(--color-bg-medium);
  border-bottom: 1px solid rgba(99, 102, 241, 0.2);
  padding: var(--spacing-lg);
  /* padding-bottom z safe-area dla iPhone'ów z notchem (home indicator) */
  padding-bottom: calc(var(--spacing-lg) + env(safe-area-inset-bottom, 0px));
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 999;
}

body.nav-menu-open {
  overflow: hidden;
}

.nav__menu.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.nav__menu-title {
  font-family: var(--font-primary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

.nav__menu-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-sm);
}

@media (min-width: 640px) {
  .nav__menu-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.nav__menu-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  color: var(--color-text-secondary);
}

.nav__menu-link:hover {
  background: var(--color-bg-light);
  color: var(--color-text-primary);
}

.nav__menu-link.active {
  background: var(--color-primary);
  color: var(--color-text-primary);
}

.nav__menu-icon {
  width: 36px;
  height: 36px;
  background: var(--color-bg-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.nav__menu-empty {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  padding: var(--spacing-md);
  background: rgba(99, 102, 241, 0.05);
  border: 1px dashed rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-md);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: calc(var(--nav-height) + var(--spacing-3xl)) var(--spacing-lg)
    var(--spacing-3xl);
  position: relative;
  overflow: hidden;
}

/* Animated background */
.hero__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: -1;
}

.hero__bg-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse at 50% 0%,
      rgba(99, 102, 241, 0.15) 0%,
      transparent 70%
    ),
    radial-gradient(
      ellipse at 80% 50%,
      rgba(16, 185, 129, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 20% 80%,
      rgba(245, 158, 11, 0.1) 0%,
      transparent 50%
    );
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(50px, 50px);
  }
}

/* Floating particles */
.hero__particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero__particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--color-primary-light);
  border-radius: 50%;
  opacity: 0.5;
  animation: float 15s infinite ease-in-out;
}

.hero__particle:nth-child(1) {
  left: 10%;
  animation-delay: 0s;
}
.hero__particle:nth-child(2) {
  left: 20%;
  animation-delay: 2s;
}
.hero__particle:nth-child(3) {
  left: 30%;
  animation-delay: 4s;
}
.hero__particle:nth-child(4) {
  left: 40%;
  animation-delay: 6s;
}
.hero__particle:nth-child(5) {
  left: 50%;
  animation-delay: 8s;
}
.hero__particle:nth-child(6) {
  left: 60%;
  animation-delay: 10s;
}
.hero__particle:nth-child(7) {
  left: 70%;
  animation-delay: 12s;
}
.hero__particle:nth-child(8) {
  left: 80%;
  animation-delay: 14s;
}
.hero__particle:nth-child(9) {
  left: 90%;
  animation-delay: 1s;
}
.hero__particle:nth-child(10) {
  left: 5%;
  animation-delay: 3s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 0.5;
  }
  90% {
    opacity: 0.5;
  }
  100% {
    transform: translateY(-20vh) scale(1);
    opacity: 0;
  }
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__slogan {
  font-family: var(--font-primary);
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(
    135deg,
    var(--color-text-primary) 0%,
    var(--color-primary-light) 50%,
    var(--color-secondary) 100%
  );
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 5s ease infinite;
}

@keyframes gradientShift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-dark)
  );
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-glow);
}

.hero__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.6);
}

/* ========================================
   GAMES SECTION
   ======================================== */
.games {
  padding: var(--spacing-3xl) var(--spacing-lg);
  max-width: var(--container-max);
  margin: 0 auto;
}

.games__title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.games__title + .games__grid + .games__title {
  margin-top: var(--spacing-3xl);
}

.games__title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
}

.games__title-sub,
.games-list-page__section-sub {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  opacity: 0.8;
  margin-left: calc(-1 * var(--spacing-sm));
}

.games__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

@media (min-width: 1200px) {
  .games__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Tag filter bar */
.games__filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid rgba(99, 102, 241, 0.15);
}

.games__filter-btn {
  font-family: var(--font-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1;
  padding: 0.5rem 0.875rem;
  background: var(--color-bg-card);
  color: var(--color-text-secondary);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 999px;
  cursor: pointer;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.games__filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-text-primary);
  transform: translateY(-1px);
}

.games__filter-btn:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

.games__filter-btn.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-primary);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.4);
}

.games__filter-btn--all {
  font-weight: 600;
}

.game-card.is-hidden,
.games__title.is-hidden,
.games__grid.is-hidden {
  display: none !important;
}

.games__filter-empty {
  text-align: center;
  color: var(--color-text-secondary);
  padding: var(--spacing-2xl) var(--spacing-md);
  font-size: 1rem;
}

.games__filter-empty.is-hidden {
  display: none;
}

@media (max-width: 768px) {
  .games__filters {
    margin-bottom: var(--spacing-xl);
  }

  .games__filter-btn {
    font-size: 0.75rem;
    padding: 0.4375rem 0.75rem;
  }
}

/* Game Card */
.game-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(99, 102, 241, 0.1);
  transition: all var(--transition-normal);
  cursor: pointer;
}

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

.game-card__thumbnail {
  aspect-ratio: 3 / 2;
  background: linear-gradient(
    135deg,
    var(--color-bg-light),
    var(--color-bg-medium)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.game-card__thumbnail-icon {
  position: relative;
  z-index: 1;
}

.game-card__thumbnail-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 2;
  display: block;
}

.game-card__thumbnail::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    45deg,
    transparent 40%,
    rgba(255, 255, 255, 0.05) 50%,
    transparent 60%
  );
  transform: translateX(-100%);
  transition: transform 0.6s ease;
  z-index: 3;
}

.game-card:hover .game-card__thumbnail::before {
  transform: translateX(100%);
}

.game-card__content {
  padding: var(--spacing-lg);
}

.game-card__title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

.game-card__description {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.game-card__tags {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.game-card__tag {
  font-size: 0.75rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-bg-light);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
}

/* ========================================
   GALAXY ENGLISH PROMO SECTION
   ======================================== */
.galaxy-promo {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-3xl);
  padding: var(--spacing-3xl) var(--spacing-lg);
  max-width: var(--container-max);
  margin: 0 auto;
}

/* Starfield background */
.galaxy-promo__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.galaxy-promo__stars {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(
      1px 1px at 15% 20%,
      rgba(255, 255, 255, 0.8) 0%,
      transparent 100%
    ),
    radial-gradient(
      1px 1px at 35% 60%,
      rgba(255, 255, 255, 0.6) 0%,
      transparent 100%
    ),
    radial-gradient(
      1.5px 1.5px at 55% 15%,
      rgba(255, 255, 255, 0.9) 0%,
      transparent 100%
    ),
    radial-gradient(
      1px 1px at 70% 75%,
      rgba(255, 255, 255, 0.7) 0%,
      transparent 100%
    ),
    radial-gradient(
      1px 1px at 85% 35%,
      rgba(255, 255, 255, 0.5) 0%,
      transparent 100%
    ),
    radial-gradient(
      1.5px 1.5px at 10% 80%,
      rgba(255, 255, 255, 0.8) 0%,
      transparent 100%
    ),
    radial-gradient(
      1px 1px at 90% 10%,
      rgba(255, 255, 255, 0.6) 0%,
      transparent 100%
    ),
    radial-gradient(
      1px 1px at 45% 90%,
      rgba(255, 255, 255, 0.4) 0%,
      transparent 100%
    ),
    radial-gradient(
      2px 2px at 25% 45%,
      rgba(129, 140, 248, 0.6) 0%,
      transparent 100%
    ),
    radial-gradient(
      1.5px 1.5px at 75% 55%,
      rgba(16, 185, 129, 0.5) 0%,
      transparent 100%
    );
  animation: twinkle 4s ease-in-out infinite alternate;
}

@keyframes twinkle {
  0% {
    opacity: 0.6;
  }
  100% {
    opacity: 1;
  }
}

.galaxy-promo__nebula {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse at 20% 50%,
      rgba(99, 102, 241, 0.08) 0%,
      transparent 60%
    ),
    radial-gradient(
      ellipse at 80% 50%,
      rgba(16, 185, 129, 0.06) 0%,
      transparent 50%
    );
}

/* Character graphic */
.galaxy-promo__character {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  width: 260px;
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.galaxy-promo__planet {
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(
    circle at 35% 35%,
    rgba(99, 102, 241, 0.5) 0%,
    rgba(30, 27, 75, 0.9) 50%,
    rgba(15, 15, 26, 1) 100%
  );
  box-shadow:
    0 0 40px rgba(99, 102, 241, 0.3),
    inset 0 0 30px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.galaxy-promo__planet::after {
  content: "";
  position: absolute;
  width: 240px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid rgba(99, 102, 241, 0.25);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotateX(70deg);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.15);
}

.galaxy-promo__astronaut {
  position: absolute;
  font-size: 5rem;
  top: 10px;
  right: 10px;
  filter: drop-shadow(0 0 12px rgba(99, 102, 241, 0.6));
  animation: float-astronaut 6s ease-in-out infinite;
  z-index: 2;
}

@keyframes float-astronaut {
  0%,
  100% {
    transform: translateY(0) rotate(-5deg);
  }
  50% {
    transform: translateY(-14px) rotate(5deg);
  }
}

.galaxy-promo__orbit {
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 1px dashed rgba(16, 185, 129, 0.25);
  animation: spin-orbit 12s linear infinite;
}

.galaxy-promo__orbit-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--color-secondary);
  border-radius: 50%;
  top: -4px;
  left: calc(50% - 4px);
  box-shadow: 0 0 8px var(--color-secondary);
}

@keyframes spin-orbit {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Text content */
.galaxy-promo__content {
  position: relative;
  z-index: 1;
  max-width: 480px;
}

.galaxy-promo__eyebrow {
  display: inline-block;
  font-family: var(--font-primary);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-secondary);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.galaxy-promo__title {
  font-family: var(--font-primary);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(
    135deg,
    #ffffff 0%,
    var(--color-primary-light) 40%,
    var(--color-secondary) 100%
  );
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 6s ease infinite;
}

.galaxy-promo__subtitle {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.galaxy-promo__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-2xl);
  background: linear-gradient(135deg, var(--color-secondary), #059669);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.35);
  letter-spacing: 0.05em;
}

.galaxy-promo__cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 35px rgba(16, 185, 129, 0.55);
}

.galaxy-promo__cta-icon {
  font-size: 1.2rem;
  display: inline-block;
  transition: transform var(--transition-normal);
}

.galaxy-promo__cta:hover .galaxy-promo__cta-icon {
  transform: translateX(4px) translateY(-2px);
}

@media (max-width: 768px) {
  .galaxy-promo {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-2xl);
    padding: var(--spacing-2xl) var(--spacing-lg);
  }

  .galaxy-promo__character {
    width: 200px;
    height: 200px;
  }

  .galaxy-promo__planet {
    width: 140px;
    height: 140px;
  }

  .galaxy-promo__astronaut {
    font-size: 3.5rem;
  }

  .galaxy-promo__orbit {
    width: 180px;
    height: 180px;
  }

  .galaxy-promo__cta {
    width: 100%;
    justify-content: center;
  }
}

/* ========================================
   GAMES MORE BUTTON
   ======================================== */
.games__more {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-2xl);
}

.games__more-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-2xl);
  background: transparent;
  color: var(--color-primary-light);
  font-family: var(--font-primary);
  font-size: 0.9rem;
  font-weight: 600;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.games__more-btn:hover {
  background: var(--color-primary);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

/* ========================================
   GAMES LIST PAGE (games.html)
   ======================================== */
.games-list-page {
  padding: calc(var(--nav-height) + var(--spacing-3xl)) var(--spacing-lg)
    var(--spacing-3xl);
  max-width: var(--container-max);
  margin: 0 auto;
}

.games-list-page__title {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-2xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.games-list-page__title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
}

.games-list-page__section {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--color-text-primary);
}

.games-list-page__section::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
}

.games-list + .games-list-page__section {
  margin-top: var(--spacing-3xl);
}

.games-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.games-list__item {
  display: flex;
  gap: var(--spacing-xl);
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(99, 102, 241, 0.1);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.games-list__item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: translateY(-2px);
}

.games-list__thumbnail {
  width: 200px;
  min-width: 200px;
  background: linear-gradient(
    135deg,
    var(--color-bg-light),
    var(--color-bg-medium)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}

.games-list__thumbnail::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    45deg,
    transparent 40%,
    rgba(255, 255, 255, 0.05) 50%,
    transparent 60%
  );
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.games-list__item:hover .games-list__thumbnail::before {
  transform: translateX(100%);
}

.games-list__info {
  flex: 1;
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.games-list__title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.games-list__description {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.games-list__tags {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

.games-list__tag {
  font-size: 0.75rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-bg-light);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
}

.games-list__play-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-xl);
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-dark)
  );
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  align-self: flex-start;
  box-shadow: var(--shadow-md);
}

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

@media (max-width: 768px) and (orientation: portrait) {
  .games-list__item {
    gap: 0;
    align-items: stretch;
  }

  .games-list__thumbnail {
    width: 96px;
    min-width: 96px;
    height: auto;
    font-size: 2.5rem;
    flex-shrink: 0;
  }

  .games-list__info {
    padding: var(--spacing-md);
    min-width: 0;
  }

  .games-list__title {
    font-size: 1.05rem;
  }

  .games-list__description {
    font-size: 0.85rem;
    line-height: 1.5;
  }
}

@media (max-width: 600px) and (orientation: landscape) {
  .games-list__item {
    flex-direction: column;
  }

  .games-list__thumbnail {
    width: 100%;
    min-width: unset;
    height: 140px;
  }

  .games-list__info {
    padding: var(--spacing-lg);
  }
}

/* ========================================
   GAME PAGE LAYOUT
   ======================================== */
.game-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.game-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: calc(var(--nav-height) + var(--spacing-lg)) var(--spacing-lg)
    var(--spacing-lg);
  min-height: 0;
}

.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.game-header__title {
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.game-header__icon {
  font-size: 2rem;
}

.game-canvas-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: var(--color-bg-medium);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(99, 102, 241, 0.2);
  padding: var(--spacing-md);
  min-height: 400px;
  position: relative;
}

.game-canvas {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius-md);
  background: var(--color-bg-dark);
}

/* Pre-game (landing) state: canvas is hidden so the overlay can live in normal
   flow and the wrapper grows with its content on mobile (no internal scrollbar).
   Wrapper's own border/background/padding are also dropped — they only framed the
   canvas; on the landing they'd just be empty bands around the overlay. */
.game-canvas-wrapper:not(.is-playing) > .game-canvas {
  display: none;
}

.game-canvas-wrapper:not(.is-playing) {
  background: transparent;
  border-color: transparent;
  padding: 0;
  min-height: 0;
}

/* ========================================
   GAME LAUNCH OVERLAY
   Per-game landing page. Universal template (game.html); content from GAMES_CONFIG.
   Start button triggers fullscreen + game start; home button returns to games list.
   ======================================== */
.game-launch-overlay {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-dark);
  border-radius: var(--radius-lg);
  z-index: 20;
  user-select: none;
  width: 100%;
  flex: 1 0 auto;
  padding: clamp(var(--spacing-md), 2vw, var(--spacing-xl));
}

.game-launch-overlay__landing {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(var(--spacing-lg), 3vw, var(--spacing-2xl));
  width: 100%;
  align-items: center;
}

/* ---- Media (left column) ---- */
.game-launch-overlay__media {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(
    135deg,
    var(--color-bg-medium),
    var(--color-bg-light)
  );
  box-shadow: var(--shadow-lg);
  /* Element jest <button> — resetujemy domyślny styl i traktujemy jako duży CTA */
  padding: 0;
  border: none;
  cursor: pointer;
  font: inherit;
  color: inherit;
  appearance: none;
  -webkit-tap-highlight-color: transparent;
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal);
}

.game-launch-overlay__media:hover,
.game-launch-overlay__media:focus-visible {
  transform: translateY(-2px);
  box-shadow:
    0 0 35px rgba(99, 102, 241, 0.45),
    var(--shadow-lg);
  outline: none;
}

.game-launch-overlay__media:active {
  transform: translateY(0);
}

.game-launch-overlay__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.game-launch-overlay__image.is-loaded {
  opacity: 1;
}

.game-launch-overlay__image-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background:
    radial-gradient(
      ellipse at 30% 30%,
      rgba(99, 102, 241, 0.18) 0%,
      transparent 60%
    ),
    radial-gradient(
      ellipse at 70% 80%,
      rgba(16, 185, 129, 0.12) 0%,
      transparent 55%
    );
  text-align: center;
  transition: opacity var(--transition-normal);
}

.game-launch-overlay__image-placeholder.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.game-launch-overlay__image-placeholder-icon {
  font-size: clamp(3rem, 8vw, 5rem);
  line-height: 1;
  filter: drop-shadow(0 4px 12px rgba(99, 102, 241, 0.45));
}

.game-launch-overlay__image-placeholder-path {
  font-family: "Courier New", monospace;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  background: rgba(15, 15, 26, 0.6);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(99, 102, 241, 0.35);
}

.game-launch-overlay__image-placeholder-dims {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ---- Content (right column) ---- */
.game-launch-overlay__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  min-width: 0;
}

.game-launch-overlay__description {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin: 0;
}

.game-launch-overlay__how-to-play {
  background: rgba(99, 102, 241, 0.07);
  border: 1px solid rgba(99, 102, 241, 0.18);
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
}

.game-launch-overlay__how-to-play-title {
  font-family: var(--font-primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary-light);
  margin-bottom: var(--spacing-sm);
}

.game-launch-overlay__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.game-launch-overlay__step {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.95rem;
  color: var(--color-text-primary);
  line-height: 1.5;
}

.game-launch-overlay__step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 8px rgba(99, 102, 241, 0.6);
}

/* ---- Actions: two big buttons ---- */
.game-launch-overlay__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-sm);
}

.game-launch-overlay__start,
.game-launch-overlay__home {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 1rem 1.75rem;
  font-family: var(--font-primary);
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  min-height: 56px;
  min-width: 200px;
  letter-spacing: 0.02em;
}

.game-launch-overlay__start {
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-dark)
  );
  color: var(--color-text-primary);
  border: none;
  box-shadow: var(--shadow-glow);
}

.game-launch-overlay__start:hover,
.game-launch-overlay__start:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(99, 102, 241, 0.6);
  outline: none;
}

.game-launch-overlay__start:active {
  transform: translateY(0);
}

.game-launch-overlay__start-icon {
  width: 22px;
  height: 22px;
}

.game-launch-overlay__home {
  background: rgba(15, 15, 26, 0.6);
  border: 2px solid rgba(99, 102, 241, 0.35);
  color: var(--color-text-secondary);
  backdrop-filter: blur(4px);
}

.game-launch-overlay__home:hover,
.game-launch-overlay__home:focus-visible {
  background: rgba(99, 102, 241, 0.18);
  color: var(--color-text-primary);
  border-color: var(--color-primary);
  outline: none;
}

.game-launch-overlay__home-icon {
  width: 22px;
  height: 22px;
}

/* ---- Stacked layout: portrait, narrow, or short landscape ---- */
@media (max-width: 900px),
  (orientation: portrait),
  (orientation: landscape) and (max-height: 600px) {
  .game-launch-overlay__landing {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--spacing-lg);
  }
}

/* ---- Compact landscape (mobile phone landscape) ---- */
@media (orientation: landscape) and (max-height: 600px) {
  .game-launch-overlay {
    padding: var(--spacing-sm);
  }

  .game-launch-overlay__landing {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--spacing-md);
    align-items: center;
  }

  .game-launch-overlay__media {
    aspect-ratio: 3 / 2;
  }

  .game-launch-overlay__content {
    gap: var(--spacing-sm);
  }

  .game-launch-overlay__header {
    gap: var(--spacing-sm);
  }

  .game-launch-overlay__icon {
    font-size: 1.75rem;
  }

  .game-launch-overlay__title {
    font-size: 1.15rem;
  }

  .game-launch-overlay__description {
    font-size: 0.85rem;
  }

  .game-launch-overlay__how-to-play {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .game-launch-overlay__step {
    font-size: 0.8rem;
    padding-left: 1.1rem;
  }

  .game-launch-overlay__step::before {
    width: 0.35rem;
    height: 0.35rem;
    top: 0.55em;
  }

  .game-launch-overlay__actions {
    gap: var(--spacing-sm);
  }

  .game-launch-overlay__start,
  .game-launch-overlay__home {
    padding: 0.65rem 1rem;
    font-size: 0.85rem;
    min-height: 40px;
    min-width: 0;
    flex: 1;
  }

  .game-launch-overlay__start-icon,
  .game-launch-overlay__home-icon {
    width: 16px;
    height: 16px;
  }
}

/* ---- Narrow portrait phones ---- */
@media (max-width: 480px) {
  .game-launch-overlay__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .game-launch-overlay__start,
  .game-launch-overlay__home {
    width: 100%;
    min-width: 0;
  }
}

/* ========================================
   FULLSCREEN BUTTON
   Hidden by default — only visible inside fullscreen.
   Click exits fullscreen and navigates back to menu.
   ======================================== */
.fullscreen-btn {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 40px;
  height: 40px;
  background: rgba(15, 15, 26, 0.8);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  display: none; /* shown only in fullscreen via :fullscreen rules below */
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 30;
  backdrop-filter: blur(4px);
}

.fullscreen-btn:hover {
  background: rgba(99, 102, 241, 0.2);
  border-color: var(--color-primary);
  color: var(--color-text-primary);
}

.fullscreen-btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.fullscreen-btn__icon {
  width: 20px;
  height: 20px;
}

/* Fullscreen mode styles
   Apply on all devices (desktop + mobile, any orientation).
   Canvas fills the whole wrapper; internal `this.scale` keeps content 4:3 within. */
.game-canvas-wrapper:fullscreen,
.game-canvas-wrapper:-webkit-full-screen {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100vw;
  height: 100vh;
  padding: 0;
  background: var(--color-bg-dark);
  border-radius: 0;
  border: none;
}

.game-canvas-wrapper:fullscreen .fullscreen-btn,
.game-canvas-wrapper:-webkit-full-screen .fullscreen-btn {
  display: flex;
  position: fixed;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  z-index: 9999;
}

.game-canvas-wrapper:fullscreen .game-canvas,
.game-canvas-wrapper:-webkit-full-screen .game-canvas {
  /* Inline width/height set by JS (resizeCanvas) — keep max constraints only */
  max-width: 100vw;
  max-height: 100vh;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--color-bg-medium);
  border-top: 1px solid rgba(99, 102, 241, 0.1);
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
}

.footer__content {
  max-width: var(--container-max);
  margin: 0 auto;
}

.footer__brand {
  font-family: var(--font-primary);
  font-size: 1rem;
  color: var(--color-primary-light);
  margin-bottom: var(--spacing-sm);
}

.footer__text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer__clear {
  margin-top: var(--spacing-md);
  padding: 0.4rem 1rem;
  font: inherit;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.footer__clear:hover {
  color: var(--color-primary-light);
  border-color: var(--color-primary-light);
}

/* ========================================
   UTILITIES
   ======================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
  :root {
    --nav-height: 56px;
  }

  .nav {
    padding: 0 var(--spacing-md);
  }

  .nav__logo {
    font-size: 1.25rem;
  }

  .nav__actions {
    gap: 0;
  }

  .nav__login-btn {
    margin-left: var(--spacing-xs);
    padding: 0;
    width: 40px;
    height: 40px;
    justify-content: center;
    gap: 0;
    border-color: transparent;
  }

  .nav__login-btn__label {
    display: none;
  }

  .nav__login-btn:hover,
  .nav__login-btn:focus-visible {
    border-color: var(--color-primary);
  }

  .hero {
    min-height: 60vh;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .games {
    padding: var(--spacing-2xl) var(--spacing-md);
  }

  .games__grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .games__grid {
    grid-template-columns: 1fr;
  }

  .game-card__content {
    padding: var(--spacing-md);
  }
}

/* Mobile portrait: single-column grid, kafelek pełnoszerokościowy z obrazkiem 3:2 na górze */
@media (max-width: 768px) and (orientation: portrait) {
  .games__grid {
    grid-template-columns: 1fr;
  }

  .game-card__title {
    font-size: 1.05rem;
  }

  .game-card__description {
    font-size: 0.85rem;
  }
}

/* ========================================
   LANDSCAPE LOW-HEIGHT (telefon w landscape) — game.html
   Problem: <canvas width=800 height=600> ma intrinsic 600px. Flex item
   (.game-canvas-wrapper) z domyślnym `min-height: auto` nie schodzi
   poniżej tego intrinsic, więc wrapper rośnie ≥600px niezależnie od
   viewportu — body wystaje znacznie poza ekran, overlay siedzi w połowie
   przerośniętego kontenera (pusta górna połowa z gridem).

   Fix: main dostaje jawne `height: 100dvh`. Wtedy wrapper z flex:1 +
   min-height:0 zajmuje TYLKO dostępną przestrzeń (viewport - header),
   intrinsic canvasa nie leakuje. Footer wpada naturalnie pod main, więc
   strona ≈ 100dvh + wysokość footera (minimalny scroll, akceptowalne).
   ======================================== */
@media (orientation: landscape) and (max-height: 600px) {
  /* Only lock the layout to 100dvh while game is active — landing overlay lives
       in normal flow now and must be allowed to grow taller than the viewport,
       otherwise wrapper's flex centering pushes overflow upward over the header. */
  .game-page:has(.game-canvas-wrapper.is-playing) {
    min-height: 0;
  }

  .game-container:has(.game-canvas-wrapper.is-playing) {
    flex: none;
    height: 100dvh;
    min-height: 0;
  }

  .game-canvas-wrapper.is-playing {
    min-height: 0;
  }
}

/* ========================================
   AUTH — panel logowania/rejestracji w nav (#navLoginMenu, partials/nav.njk)
   Logika stanów: js/auth.js (AuthUI).
   ======================================== */
.auth-form,
.auth-logged-in {
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

/* `display: flex` wygrywa z UA-stylem [hidden] — przywróć chowanie atrybutem
   (auth.js przełącza stany formularz ↔ zalogowany właśnie przez `hidden`). */
.auth-form[hidden],
.auth-logged-in[hidden] {
  display: none;
}

.auth-form__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
}

.auth-form__label-hint {
  font-weight: 400;
  color: var(--color-text-muted);
}

.auth-form__input {
  width: 100%;
  padding: 0.65rem 0.9rem;
  font-family: var(--font-secondary);
  font-size: 1rem;
  color: var(--color-text-primary);
  background: var(--color-bg-light);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.auth-form__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.auth-form__error {
  margin: 0;
  font-size: 0.85rem;
  color: #f87171;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
}

.auth-form__actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xs);
  flex-wrap: wrap;
}

.auth-btn {
  flex: 1;
  min-width: 140px;
  min-height: 44px; /* wygodny cel dotykowy */
  padding: 0.6rem 1.2rem;
  font-family: var(--font-primary);
  font-size: 0.9rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.auth-btn:disabled {
  opacity: 0.5;
  cursor: wait;
}

.auth-btn--primary {
  background: var(--color-primary);
  color: var(--color-text-primary);
}

.auth-btn--primary:hover:not(:disabled),
.auth-btn--primary:focus-visible {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-glow);
}

.auth-btn--secondary {
  background: transparent;
  color: var(--color-primary-light);
  border: 1px solid rgba(99, 102, 241, 0.4);
}

.auth-btn--secondary:hover:not(:disabled),
.auth-btn--secondary:focus-visible {
  background: rgba(99, 102, 241, 0.12);
  border-color: var(--color-primary);
}

.auth-form__hint {
  margin: 0;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.auth-logged-in__user {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  word-break: break-all; /* długi e-mail nie rozpycha panelu na mobile */
}

.auth-logged-in__user strong {
  color: var(--color-text-primary);
}

.auth-logged-in .auth-btn {
  flex: none;
  align-self: flex-start;
}

/* ========================================
   NAJLEPSZE WYNIKI na landing page'u gry (#launchOverlayScores, game.njk)
   Wypełnia js/auth.js (LandingScores) — tylko zalogowani, tylko gry z scoring.
   ======================================== */
.game-launch-overlay__scores {
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.22);
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
}

.game-launch-overlay__scores-title {
  font-family: var(--font-primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

.game-launch-overlay__scores-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.game-launch-overlay__scores-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--spacing-md);
  font-size: 0.95rem;
  line-height: 1.5;
}

.game-launch-overlay__scores-level {
  color: var(--color-text-secondary);
}

.game-launch-overlay__scores-value {
  font-family: var(--font-primary);
  font-weight: 700;
  color: var(--color-text-primary);
  white-space: nowrap;
}

.game-launch-overlay__scores-empty {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}