/* ===== «Всесвіт Знань» — стилі ===== */

:root {
  --bg-dark: #0a1330;
  --bg-darker: #060b1f;
  --purple: #7c3aed;
  --blue: #0ea5e9;
  --green: #10b981;
  --orange: #f59e0b;
  --pink: #ec4899;
  --red: #ef4444;
  --white: #ffffff;
  --text: #f1f5f9;
  --text-dim: #c7d2fe;
  --card: rgba(255, 255, 255, 0.08);
  --card-border: rgba(255, 255, 255, 0.14);
  --radius: 20px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  font-family: "Nunito", "Segoe UI", system-ui, sans-serif;
  background: linear-gradient(160deg, #050a1a 0%, #0a1638 45%, #10234f 100%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Анімований космічний фон (js/space-bg.js) */
#space-bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  pointer-events: none;
}

main, header, footer, .container { position: relative; z-index: 1; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3 { font-weight: 800; line-height: 1.2; }

/* ===== Липкий хедер ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 14, 34, 0.4);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

/* Плавна прокрутка з відступом під хедер */
#features, #modes, #rewards, #pricing, #demo { scroll-margin-top: 78px; }

/* ===== Навігація ===== */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 12px;
}

.logo {
  font-size: 1.4rem;
  font-weight: 900;
  text-decoration: none;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links {
  display: flex;
  gap: 22px;
  align-items: center;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-weight: 700;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--white); }

/* Активний розділ (scroll-spy) */
.nav-link { position: relative; }
.nav-link.active { color: var(--white); }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2.5px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--orange), var(--pink));
}

/* Кнопка-бургер (мобільне меню) */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
}

@media (max-width: 780px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 18px 20px 24px;
    background: rgba(6, 11, 31, 0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
  }
  .nav-links.open { display: flex; }
  .nav { position: relative; flex-wrap: nowrap; }
  .nav-link.active::after { bottom: -3px; }
}

/* ===== Перемикач мов ===== */
.lang-switcher {
  display: flex;
  gap: 6px;
  align-items: center;
}

.lang-btn {
  background: var(--card);
  border: 2px solid var(--card-border);
  border-radius: 50%;
  width: 38px;
  height: 38px;
  font-size: 1.15rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s, border-color 0.2s, background 0.2s;
  opacity: 0.6;
}
.lang-btn:hover { transform: scale(1.12); opacity: 1; }

.sound-toggles {
  position: fixed;
  right: 14px;
  bottom: 14px;
  display: flex;
  gap: 8px;
  align-items: center;
  z-index: 60;
}
.snd-btn {
  background: rgba(10, 19, 48, 0.85);
  backdrop-filter: blur(6px);
  border: 2px solid var(--card-border);
  border-radius: 50%;
  width: 42px;
  height: 42px;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  transition: transform 0.15s, border-color 0.2s, opacity 0.2s;
}
.snd-btn:hover { transform: scale(1.12); border-color: var(--blue); }
.snd-btn.off { opacity: 0.45; }
.lang-btn.active {
  opacity: 1;
  border-color: var(--pink);
  background: rgba(236, 72, 153, 0.2);
}

/* ===== Кнопки ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 999px;
  border: none;
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: transform 0.15s, box-shadow 0.2s, filter 0.2s;
}
.btn:hover { transform: translateY(-2px) scale(1.02); filter: brightness(1.1); }
.btn:active { transform: translateY(0) scale(0.98); }

.btn-primary {
  background: linear-gradient(135deg, var(--orange), var(--pink));
  color: white;
  box-shadow: 0 8px 25px rgba(236, 72, 153, 0.4);
}

.btn-secondary {
  background: var(--card);
  border: 2px solid var(--card-border);
  color: var(--text);
}

.btn-big { font-size: 1.25rem; padding: 18px 44px; }

/* ===== Hero ===== */
.hero {
  text-align: center;
  padding: 40px 0 36px;
}

.hero-emoji {
  font-size: 4.5rem;
  display: block;
  margin-bottom: 16px;
  animation: float 3.5s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-4deg); }
  50% { transform: translateY(-16px) rotate(4deg); }
}

.hero h1 {
  font-size: clamp(2.1rem, 5.5vw, 3.6rem);
  margin-bottom: 18px;
  background: linear-gradient(90deg, #fbbf24, #f472b6, #818cf8, #34d399);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto 34px;
  line-height: 1.65;
}

.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== Секції ===== */
.section { padding: 100px 0; }

.section-title {
  text-align: center;
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  margin-bottom: 18px;
}

.section-sub {
  text-align: center;
  color: var(--text-dim);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto 64px;
  line-height: 1.6;
}

/* ===== Картки фіч ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 22px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
  transition: transform 0.25s, border-color 0.25s;
}
.feature-card:hover { transform: translateY(-6px); border-color: rgba(255,255,255,0.35); }

.feature-card .icon { font-size: 2.8rem; display: block; margin-bottom: 14px; }
.feature-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.feature-card p { color: var(--text-dim); font-size: 0.95rem; line-height: 1.55; }

/* ===== Тарифи ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  align-items: stretch;
}

.price-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s;
}
.price-card:hover { transform: translateY(-6px); }

.price-card.popular {
  background: linear-gradient(160deg, rgba(124, 58, 237, 0.35), rgba(236, 72, 153, 0.25));
  border: 2px solid var(--pink);
  position: relative;
}

.popular-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--orange), var(--pink));
  padding: 5px 18px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 800;
  white-space: nowrap;
}

.price-name { font-size: 1.2rem; margin-bottom: 8px; }
.price-value { font-size: 2.6rem; font-weight: 900; margin-bottom: 4px; }
.price-period { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 22px; }

.price-features {
  list-style: none;
  text-align: left;
  margin-bottom: 28px;
  flex: 1;
}
.price-features li {
  padding: 8px 0;
  color: var(--text-dim);
  font-size: 0.97rem;
}
.price-features li::before { content: "✅ "; }
.price-features li.no::before { content: "➖ "; }

/* ===== Футер ===== */
footer {
  border-top: 1px solid var(--card-border);
  padding: 34px 0;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.95rem;
}

/* ================================================= */
/* =================== ГРА ========================= */
/* ================================================= */

.game-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 16px 20px 60px;
}

/* Панель гравця */
.player-bar {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 16px 22px;
  margin-bottom: 44px;
}

.player-bar-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  flex-wrap: wrap;
  gap: 8px;
}

#player-level { font-weight: 900; font-size: 1.1rem; }
#player-xp {
  background: linear-gradient(135deg, var(--purple), var(--pink));
  padding: 5px 16px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.95rem;
}

.xp-track {
  height: 12px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  overflow: hidden;
}

#xp-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--green), var(--blue), var(--purple));
  border-radius: 999px;
  transition: width 0.6s ease;
}

#xp-hint { margin-top: 8px; font-size: 0.85rem; color: var(--text-dim); }

/* Екрани */
.screen { display: none; animation: fadeIn 0.35s ease; }
.screen.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Меню */
.menu-title { text-align: center; font-size: 1.7rem; margin-bottom: 8px; }
.menu-sub { text-align: center; color: var(--text-dim); margin-bottom: 40px; }

.stats-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.stat {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 12px 22px;
  text-align: center;
  min-width: 110px;
}
.stat b { display: block; font-size: 1.4rem; }
.stat span { font-size: 0.8rem; color: var(--text-dim); }

#category-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 20px;
}
#category-grid .category-card {
  flex: 1 1 150px;
  max-width: 200px;
}

.category-card {
  background: var(--card);
  border: 2px solid var(--card-border);
  border-radius: var(--radius);
  padding: 26px 14px;
  cursor: pointer;
  font-family: inherit;
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: transform 0.2s, border-color 0.2s, background 0.2s;
}
.category-card:hover {
  transform: translateY(-5px) scale(1.03);
  border-color: var(--cat-color);
  background: color-mix(in srgb, var(--cat-color) 22%, transparent);
}

.cat-emoji { font-size: 2.6rem; }
.cat-name { font-weight: 900; font-size: 1.1rem; }
.cat-count { font-size: 0.8rem; color: var(--text-dim); }

.mode-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 20px;
}
.mode-row .mode-btn {
  flex: 1 1 220px;
  max-width: 340px;
}

.mode-btn {
  background: linear-gradient(135deg, rgba(14,165,233,0.25), rgba(124,58,237,0.25));
  border: 2px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  color: var(--text);
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 800;
  transition: transform 0.2s, border-color 0.2s;
}
.mode-btn:hover { transform: translateY(-4px); border-color: var(--blue); }
.mode-btn small { display: block; font-weight: 600; color: var(--text-dim); margin-top: 6px; }

/* Заголовки розділів у меню гри */
.badges-title {
  font-size: 1.15rem;
  margin: 72px 0 24px;
  text-align: center;
}

#badges-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 12px;
}

.badge {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 14px 8px;
  text-align: center;
  opacity: 0.45;
  transition: opacity 0.3s, transform 0.2s;
}
.badge.earned {
  opacity: 1;
  border-color: var(--orange);
  background: rgba(245, 158, 11, 0.12);
}
.badge:hover { transform: scale(1.05); }
.badge-emoji { font-size: 1.7rem; display: block; margin-bottom: 5px; }
.badge-name { font-size: 0.78rem; font-weight: 700; color: var(--text-dim); }
.badge.earned .badge-name { color: var(--text); }

/* Вікторина */
.quiz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  gap: 10px;
  flex-wrap: wrap;
}

#quiz-category {
  padding: 6px 18px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.95rem;
}

#quiz-progress { color: var(--text-dim); font-weight: 700; font-size: 0.95rem; }
#quiz-streak { font-weight: 900; font-size: 1.05rem; }

.question-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 30px 26px;
  font-size: 1.3rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 20px;
  min-height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1.5;
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.option {
  background: var(--card);
  border: 2px solid var(--card-border);
  border-radius: 16px;
  padding: 18px 20px;
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  transition: transform 0.15s, border-color 0.2s, background 0.2s;
  text-align: center;
}
.option:hover:not(:disabled) { transform: translateY(-3px); border-color: var(--blue); }
.option:disabled { cursor: default; }
.option.correct {
  background: rgba(16, 185, 129, 0.3);
  border-color: var(--green);
  animation: pulse 0.4s ease;
}
.option.wrong {
  background: rgba(239, 68, 68, 0.3);
  border-color: var(--red);
  animation: shake 0.4s ease;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-7px); }
  75% { transform: translateX(7px); }
}

.fact-box {
  background: rgba(14, 165, 233, 0.15);
  border: 1px solid rgba(14, 165, 233, 0.4);
  border-radius: 16px;
  padding: 18px 22px;
  line-height: 1.6;
  display: none;
  margin-bottom: 18px;
}
.fact-box.visible { display: block; animation: fadeIn 0.35s ease; }

.next-btn {
  display: none;
  margin: 0 auto;
}
.next-btn.visible { display: block; animation: fadeIn 0.3s ease; }

/* Бліц за хвилину */
.speed-timer {
  font-size: 1.7rem;
  font-weight: 900;
  min-width: 56px;
}
.speed-timer.danger {
  color: var(--red);
  animation: pulse 0.5s ease infinite;
}

.speed-track {
  height: 8px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 18px;
}
#speed-fill {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--orange), var(--pink));
  border-radius: 999px;
  transition: width 0.1s linear;
}

/* ===== Екран входу ===== */
.entry-card {
  max-width: 460px;
  margin: 30px auto;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 42px 32px;
  text-align: center;
}
.entry-logo { font-size: 3.6rem; display: block; animation: float 3.5s ease-in-out infinite; }
.entry-title { font-size: 1.8rem; margin: 12px 0 8px; }
.entry-sub { color: var(--text-dim); margin-bottom: 30px; line-height: 1.55; }
.entry-actions { display: flex; flex-direction: column; gap: 14px; }
.entry-actions .btn { width: 100%; }

.entry-section-title { font-size: 1.2rem; margin-bottom: 18px; }
.profiles-list { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 22px; }
.profile-chip {
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid var(--card-border);
  border-radius: 999px;
  padding: 10px 20px;
  color: var(--text);
  font-family: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.2s, background 0.2s;
}
.profile-chip:hover { transform: translateY(-2px); border-color: var(--pink); background: rgba(236, 72, 153, 0.15); }
.profile-row { display: inline-flex; align-items: center; gap: 6px; }
.profile-del {
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid var(--card-border);
  border-radius: 50%;
  width: 40px; height: 40px;
  font-size: 1rem;
  cursor: pointer;
  color: var(--text-dim);
  display: grid; place-items: center;
  transition: transform 0.15s, border-color 0.2s, background 0.2s, color 0.2s;
}
.profile-del:hover { transform: translateY(-2px); border-color: var(--red); background: rgba(239, 68, 68, 0.18); color: var(--white); }
.new-profile { display: flex; gap: 10px; margin-bottom: 18px; }
.new-profile input {
  flex: 1;
  min-width: 0;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 12px 16px;
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
}
.new-profile input::placeholder { color: var(--text-dim); }
.new-profile input:focus { outline: none; border-color: var(--blue); }
.entry-note { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 14px; }

/* Панель профілю */
.profile-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.profile-id { display: flex; align-items: center; gap: 10px; }
.profile-avatar {
  font-size: 1.7rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--card);
  border: 2px solid var(--card-border);
  border-radius: 50%;
}
#profile-name { font-weight: 800; font-size: 1.05rem; }
.profile-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.profile-switch {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 8px 16px;
  color: var(--text-dim);
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
  font-size: 0.9rem;
  transition: color 0.2s, border-color 0.2s;
}
.profile-switch:hover { color: var(--white); border-color: var(--pink); }

/* Зірочки */
.player-bar-right { display: flex; align-items: center; gap: 10px; }
.coins-chip {
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
  color: #3a2600;
  padding: 5px 14px;
  border-radius: 999px;
  font-weight: 900;
  font-size: 0.95rem;
}

/* Екран аватарів */
.avatars-coins {
  text-align: center;
  font-weight: 900;
  font-size: 1.3rem;
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
  color: #3a2600;
  width: fit-content;
  margin: 0 auto 28px;
  padding: 8px 24px;
  border-radius: 999px;
}
.avatars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 14px;
}
.avatar-card {
  background: var(--card);
  border: 2px solid var(--card-border);
  border-radius: 18px;
  padding: 16px 8px 12px;
  cursor: pointer;
  font-family: inherit;
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: transform 0.15s, border-color 0.2s, background 0.2s;
}
.avatar-card:hover { transform: translateY(-4px); border-color: var(--blue); }
.avatar-card.selected { border-color: var(--green); background: rgba(16, 185, 129, 0.14); }
.avatar-card.locked .av-emoji { filter: grayscale(0.75) brightness(0.75); }
.av-emoji { font-size: 2.6rem; line-height: 1; }
.av-state { font-size: 0.78rem; font-weight: 800; color: var(--text-dim); }
.av-state.selected { color: var(--green); }
.av-cost {
  font-size: 0.82rem;
  font-weight: 900;
  color: #fbbf24;
}

/* Космічна подорож */
.journey-view { animation: fadeIn 0.35s ease; }
.journey-title { text-align: center; font-size: 1.7rem; margin-bottom: 6px; }
.journey-sub { text-align: center; color: var(--text-dim); margin-bottom: 14px; }
.journey-progress {
  text-align: center;
  font-weight: 800;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 8px 20px;
  width: fit-content;
  margin: 0 auto 28px;
}

#journey-map {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
@media (max-width: 560px) {
  #journey-map { grid-template-columns: repeat(2, 1fr); }
}

.journey-planet {
  position: relative;
  background: var(--card);
  border: 2px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px 10px 16px;
  cursor: pointer;
  font-family: inherit;
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: transform 0.2s, border-color 0.2s;
}
.journey-planet:hover:not(:disabled) { transform: translateY(-5px); border-color: var(--blue); }
.journey-planet:disabled { cursor: default; }

.jp-dot {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  box-shadow: 0 0 16px rgba(0, 0, 0, 0.4);
}
.jp-name { font-weight: 800; font-size: 0.95rem; }
.jp-status { position: absolute; top: 8px; right: 12px; font-size: 1.1rem; }

.journey-planet.locked { opacity: 0.5; }
.journey-planet.locked .jp-dot { filter: grayscale(0.7) brightness(0.6); }
.journey-planet.done { border-color: var(--green); background: rgba(16, 185, 129, 0.12); }
.journey-planet.current { border-color: var(--orange); }
.journey-planet.current .jp-dot { animation: planet-pulse 1.8s ease-in-out infinite; }

@keyframes planet-pulse {
  0%, 100% { box-shadow: 0 0 12px rgba(245, 158, 11, 0.5); }
  50% { box-shadow: 0 0 26px rgba(245, 158, 11, 0.95); }
}

/* Вивчення планети */
.planet-hero { text-align: center; margin-bottom: 20px; }
.planet-big { font-size: 4.5rem; display: block; animation: float 3.5s ease-in-out infinite; }
.planet-name { font-size: 1.9rem; margin-top: 6px; }
.planet-facts {
  list-style: none;
  max-width: 520px;
  margin: 0 auto 18px;
  display: grid;
  gap: 12px;
}
.planet-facts li {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 14px 18px;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
}
.planet-learn-hint { text-align: center; color: var(--text-dim); margin-bottom: 20px; }
.journey-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.jq-planet { font-weight: 900; font-size: 1.1rem; }
.result-emoji-big { font-size: 4.5rem; display: block; margin-bottom: 14px; animation: pulse 0.8s ease; }

/* Правда чи міф */
.tf-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 18px;
}

.tf-btn {
  padding: 22px;
  border-radius: 18px;
  border: 2px solid var(--card-border);
  font-family: inherit;
  font-size: 1.2rem;
  font-weight: 900;
  cursor: pointer;
  color: var(--text);
  transition: transform 0.15s, filter 0.2s;
}
.tf-btn:hover:not(:disabled) { transform: translateY(-3px); filter: brightness(1.15); }
.tf-btn:disabled { cursor: default; }
.tf-true { background: rgba(16, 185, 129, 0.25); }
.tf-false { background: rgba(239, 68, 68, 0.25); }
.tf-btn.correct { border-color: var(--green); background: rgba(16, 185, 129, 0.45); }
.tf-btn.wrong { border-color: var(--red); background: rgba(239, 68, 68, 0.45); animation: shake 0.4s; }

/* Знайди пару */
#match-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.match-card {
  background: var(--card);
  border: 2px solid var(--card-border);
  border-radius: 14px;
  padding: 16px 10px;
  min-height: 78px;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  transition: transform 0.15s, border-color 0.2s, background 0.2s, opacity 0.3s;
}
.match-card:hover:not(.matched) { transform: translateY(-3px); }
.match-card.picked { border-color: var(--orange); background: rgba(245, 158, 11, 0.2); }
.match-card.matched {
  border-color: var(--green);
  background: rgba(16, 185, 129, 0.25);
  opacity: 0.55;
  cursor: default;
}
.match-card.shake { animation: shake 0.4s; }

.match-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 8px;
}
#match-title { font-size: 1.2rem; }
#match-status { color: var(--text-dim); font-weight: 700; }

/* Результати */
.result-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 46px 30px;
  text-align: center;
}

#result-emoji { font-size: 4.5rem; display: block; margin-bottom: 14px; animation: pulse 0.8s ease; }
#result-title { font-size: 1.7rem; margin-bottom: 10px; }
#result-score { color: var(--text-dim); font-size: 1.1rem; margin-bottom: 30px; }

.result-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Тост */
#toast {
  position: fixed;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%) translateY(120px);
  background: linear-gradient(135deg, var(--purple), var(--pink));
  color: white;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 800;
  box-shadow: var(--shadow);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 100;
  max-width: 90vw;
  text-align: center;
}
#toast.visible { transform: translateX(-50%) translateY(0); }

/* Конфеті */
#confetti {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 99;
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  top: -30px;
  animation: fall 2.6s linear forwards;
}

@keyframes fall {
  to { transform: translateY(110vh) rotate(540deg); opacity: 0.3; }
}

/* Кнопка назад */
.back-row { margin-bottom: 18px; }
.back-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  padding: 6px 0;
}
.back-btn:hover { color: var(--white); }

/* ===== Головна: анімована сцена ===== */
.hero { position: relative; }

.hero-scene {
  position: relative;
  height: 400px;
  margin-bottom: 30px;
  z-index: 2;   /* система над кометою */
}

/* Сонячна система (збільшена в 1.3 рази) */
.solar-system {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(1.3);
  width: 350px;
  height: 350px;
}

.sun {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 44px;
  z-index: 2;
  animation: sun-glow 4s ease-in-out infinite;
}
@keyframes sun-glow {
  0%, 100% { filter: drop-shadow(0 0 10px rgba(253, 224, 71, 0.7)); }
  50% { filter: drop-shadow(0 0 26px rgba(253, 224, 71, 1)); }
}

.orbit-ring {
  position: absolute;
  left: 50%;
  top: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.13);
  border-radius: 50%;
  animation: orbit-spin linear infinite;
}
/* орбіти: ближні планети рухаються швидше, далекі — повільніше */
.o-mercury { width: 70px;  height: 70px;  margin: -35px 0 0 -35px;   animation-duration: 9s; }
.o-venus   { width: 106px; height: 106px; margin: -53px 0 0 -53px;   animation-duration: 15s; }
.o-earth   { width: 142px; height: 142px; margin: -71px 0 0 -71px;   animation-duration: 24s; }
.o-mars    { width: 178px; height: 178px; margin: -89px 0 0 -89px;   animation-duration: 34s; }
.o-jupiter { width: 218px; height: 218px; margin: -109px 0 0 -109px; animation-duration: 48s; }
.o-saturn  { width: 258px; height: 258px; margin: -129px 0 0 -129px; animation-duration: 62s; }
.o-uranus  { width: 300px; height: 300px; margin: -150px 0 0 -150px; animation-duration: 78s; }
.o-neptune { width: 344px; height: 344px; margin: -172px 0 0 -172px; animation-duration: 95s; }

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

.planet {
  position: absolute;
  top: 0;
  left: 50%;
  display: block;
  border-radius: 50%;
}
.p-mercury { width: 12px; height: 12px; margin: -6px 0 0 -6px;    background: radial-gradient(circle at 35% 35%, #d9d9d9, #8a8a8a); }
.p-venus   { width: 18px; height: 18px; margin: -9px 0 0 -9px;    background: radial-gradient(circle at 35% 35%, #ffe9b8, #d9a441); }
.p-mars    { width: 15px; height: 15px; margin: -7.5px 0 0 -7.5px; background: radial-gradient(circle at 35% 35%, #ff9b6b, #c1440e); }
.p-jupiter { width: 33px; height: 33px; margin: -16.5px 0 0 -16.5px; background: radial-gradient(circle at 35% 35%, #f0d3ab, #b07b4f); }
.p-uranus  { width: 21px; height: 21px; margin: -10.5px 0 0 -10.5px; background: radial-gradient(circle at 35% 35%, #d8fbff, #6fd7e0); }
.p-neptune { width: 20px; height: 20px; margin: -10px 0 0 -10px;  background: radial-gradient(circle at 35% 35%, #7aa7ff, #2b4bd7); }

/* Земля та Сатурн — емодзі, обертаються у зворотний бік, щоб не «крутитися» */
.p-earth {
  width: 30px; height: 30px; margin: -15px 0 0 -15px;
  font-size: 26px; line-height: 30px; text-align: center;
  animation: orbit-counter 24s linear infinite;
}
.p-saturn {
  width: 39px; height: 39px; margin: -19.5px 0 0 -19.5px;
  font-size: 32px; line-height: 39px; text-align: center;
  animation: orbit-counter 62s linear infinite;
}

.shooting-star {
  position: absolute;
  top: 4%;
  right: -40px;
  font-size: 1.5rem;
  opacity: 0;
  animation: shoot 6s ease-in infinite;
  animation-delay: 1.5s;
}

@keyframes shoot {
  0% { transform: translate(0, 0) rotate(-15deg); opacity: 0; }
  4% { opacity: 1; }
  28% { transform: translate(-80vw, 160px) rotate(-15deg); opacity: 0; }
  100% { transform: translate(-80vw, 160px); opacity: 0; }
}

/* Комета з фактом — пролітає по діагоналі, повільно, щоб дитина встигла прочитати */
.fact-comet {
  position: absolute;
  top: 8%;
  left: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 210px;              /* фіксована ширина — форма не витягується */
  min-height: 150px;
  padding: 24px 30px;
  background: rgba(13, 27, 62, 0.32);   /* напівпрозорий — крізь нього видно систему */
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(4px);
  border-radius: 50%;         /* овал */
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.85);  /* читабельність поверх зірок */
  text-align: center;
  opacity: 0;
  pointer-events: none;
  z-index: 1;   /* комета летить позаду системи */
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
}
.fc-emoji { font-size: 1.5rem; }
.fc-text { line-height: 1.35; }

.fact-comet.flying { animation: comet-carry 26s ease-in-out forwards; }

/* Комета лишається у верхній зоні сцени (над сонячною системою) і ніколи не
   опускається на заголовок «Грай…». Вертикаль — у пікселях (не у % від висоти
   .hero, що змінюється при переносі тексту), тож зазор гарантований на всіх
   ширинах. М'яка дуга: вліво-вниз, потім трохи вгору й убік. */
@keyframes comet-carry {
  0%   { left: 100%; top: 30px;  opacity: 0; }
  6%   { opacity: 1; }
  32%  { left: 60%;  top: 150px; }   /* вліво і трохи вниз */
  58%  { left: 32%;  top: 80px; }    /* далі вліво, трохи вгору */
  82%  { left: 4%;   top: 120px; }
  94%  { opacity: 1; }
  100% { left: -34%; top: 60px;  opacity: 0; }  /* виходить ліворуч, високо */
}

@media (max-width: 560px) {
  .fact-comet { font-size: 0.85rem; max-width: 280px; }
  .fact-comet.flying { animation-duration: 22s; }
}

/* Смуга статистики */
.stats-strip {
  display: flex;
  justify-content: center;
  gap: 46px;
  flex-wrap: wrap;
  padding: 4px 20px 24px;
}

.strip-item { text-align: center; }
.strip-item b {
  display: block;
  font-size: 2.3rem;
  font-weight: 900;
  background: linear-gradient(90deg, #fbbf24, #f472b6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.strip-item span {
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 700;
}

/* Емодзі-банери карток */
.card-banner {
  display: flex;
  justify-content: center;
  gap: 16px;
  font-size: 2rem;
  padding: 18px 0;
  margin: -30px -24px 18px;
  border-radius: var(--radius) var(--radius) 0 0;
}
.card-banner span { transition: transform 0.25s; }
.feature-card:hover .card-banner span { transform: scale(1.2) rotate(-6deg); }
.feature-card:hover .card-banner span:nth-child(2) { transform: scale(1.25); }
.feature-card:hover .card-banner span:nth-child(3) { transform: scale(1.2) rotate(6deg); }

.banner-space { background: linear-gradient(135deg, rgba(124, 58, 237, 0.45), rgba(76, 29, 149, 0.22)); }
.banner-science { background: linear-gradient(135deg, rgba(14, 165, 233, 0.45), rgba(2, 132, 199, 0.2)); }
.banner-geo { background: linear-gradient(135deg, rgba(16, 185, 129, 0.45), rgba(5, 150, 105, 0.2)); }
.banner-psy { background: linear-gradient(135deg, rgba(245, 158, 11, 0.45), rgba(217, 119, 6, 0.2)); }
.banner-math { background: linear-gradient(135deg, rgba(236, 72, 153, 0.45), rgba(190, 24, 93, 0.2)); }
.banner-peoples { background: linear-gradient(135deg, rgba(20, 184, 166, 0.45), rgba(13, 148, 136, 0.2)); }
.banner-art { background: linear-gradient(135deg, rgba(244, 63, 94, 0.45), rgba(190, 18, 60, 0.2)); }
.banner-hist { background: linear-gradient(135deg, rgba(249, 115, 22, 0.45), rgba(194, 65, 12, 0.2)); }
.banner-emo { background: linear-gradient(135deg, rgba(99, 102, 241, 0.45), rgba(67, 56, 202, 0.2)); }
.banner-nature { background: linear-gradient(135deg, rgba(34, 197, 94, 0.45), rgba(21, 128, 61, 0.2)); }
.banner-quiz { background: linear-gradient(135deg, rgba(14, 165, 233, 0.4), rgba(124, 58, 237, 0.3)); }
.banner-tf { background: linear-gradient(135deg, rgba(245, 158, 11, 0.4), rgba(236, 72, 153, 0.3)); }
.banner-match { background: linear-gradient(135deg, rgba(16, 185, 129, 0.4), rgba(14, 165, 233, 0.3)); }

/* Демо-питання на головній */
.demo-wrap {
  max-width: 680px;
  margin: 0 auto;
}

#demo-cta {
  display: none;
  margin: 0 auto;
  width: fit-content;
}
#demo-cta.visible { display: block; animation: fadeIn 0.3s ease; }

/* ===== Світні плями на фоні ===== */
.section { position: relative; }

.blob {
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  filter: blur(95px);
  opacity: 0.3;
  z-index: -1;
  pointer-events: none;
  animation: blob-float 16s ease-in-out infinite;
}
.blob-1 { background: #7c3aed; top: -80px; left: -140px; }
.blob-2 { background: #ec4899; top: 140px; right: -160px; animation-delay: 4s; }
.blob-3 { background: #0ea5e9; top: 0; left: -160px; animation-delay: 2s; }
.blob-4 { background: #ec4899; bottom: -60px; right: -160px; animation-delay: 6s; }

@keyframes blob-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(36px, -44px) scale(1.12); }
  66% { transform: translate(-28px, 30px) scale(0.94); }
}

/* ===== Анімований градієнт заголовка та пульс кнопки ===== */
.hero h1 {
  background-size: 220% auto;
  animation: gradient-slide 6s ease-in-out infinite alternate;
}
@keyframes gradient-slide {
  from { background-position: 0% center; }
  to { background-position: 100% center; }
}

.hero-actions .btn-primary { animation: pulse-glow 2.8s ease-in-out infinite; }
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 8px 25px rgba(236, 72, 153, 0.4); }
  50% { box-shadow: 0 8px 44px rgba(236, 72, 153, 0.8); }
}

/* ===== Рухомий рядок фактів ===== */
.ticker {
  overflow: hidden;
  padding: 16px 0;
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.03);
}

.ticker-track {
  display: flex;
  align-items: center;
  gap: 34px;
  width: max-content;
  animation: ticker-scroll 30s linear infinite;
}
.ticker:hover .ticker-track { animation-play-state: paused; }

.ticker-item {
  white-space: nowrap;
  font-weight: 800;
  color: var(--text-dim);
  font-size: 1rem;
}
.ticker-sep { color: var(--pink); opacity: 0.7; }

@keyframes ticker-scroll { to { transform: translateX(-50%); } }

/* ===== Нахилені картки категорій ===== */
/* flex із центруванням — неповний останній ряд центрується під верхніми */
.worlds-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.worlds-grid .feature-card {
  flex: 1 1 230px;
  max-width: 300px;
}
.worlds-grid .feature-card { --tilt: -1.7deg; }
.worlds-grid .feature-card:nth-child(even) { --tilt: 1.7deg; }
.worlds-grid .feature-card { transform: rotate(var(--tilt)); }
.worlds-grid .feature-card:hover {
  transform: rotate(0deg) translateY(-8px) scale(1.03);
  border-color: rgba(255, 255, 255, 0.4);
}

/* ===== Зиґзаґ режимів гри ===== */
.zigzag {
  display: flex;
  flex-direction: column;
  gap: 44px;
  margin-top: 8px;
}

.zigzag-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.zigzag-row:nth-child(even) .mode-visual { order: 2; }

.mode-text h3 { font-size: 1.65rem; margin-bottom: 12px; }
.mode-text p {
  color: var(--text-dim);
  line-height: 1.7;
  font-size: 1.05rem;
  margin-bottom: 22px;
}

.mode-visual {
  position: relative;
  border-radius: 26px;
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--card-border);
  overflow: hidden;
  background-size: 200% 200%;
  animation: mv-shift 12s ease infinite;   /* живий градієнт */
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
/* м'яке сяйво за головним емодзі */
.mode-visual::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.28), transparent 68%);
  animation: mv-glow 4.5s ease-in-out infinite;
  pointer-events: none;
}
.mode-visual:hover {
  transform: scale(1.04) rotate(-1deg);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.4);
}

@keyframes mv-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
@keyframes mv-glow {
  0%, 100% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.4; }
  50% { transform: translate(-50%, -50%) scale(1.15); opacity: 0.85; }
}

.mv-quiz { background: linear-gradient(135deg, rgba(14, 165, 233, 0.4), rgba(124, 58, 237, 0.35)); }
.mv-tf { background: linear-gradient(135deg, rgba(245, 158, 11, 0.4), rgba(236, 72, 153, 0.35)); }
.mv-match { background: linear-gradient(135deg, rgba(16, 185, 129, 0.4), rgba(14, 165, 233, 0.35)); }
.mv-speed { background: linear-gradient(135deg, rgba(236, 72, 153, 0.4), rgba(249, 115, 22, 0.35)); }
.mv-journey { background: linear-gradient(135deg, rgba(124, 58, 237, 0.45), rgba(14, 165, 233, 0.35)); }
.mv-duel { background: linear-gradient(135deg, rgba(236, 72, 153, 0.45), rgba(239, 68, 68, 0.35)); }
.mv-coop { background: linear-gradient(135deg, rgba(16, 185, 129, 0.42), rgba(14, 165, 233, 0.35)); }

/* Головний емодзі — плавне погойдування з нахилом */
.mv-main {
  position: relative;
  z-index: 1;
  font-size: 5.6rem;
  animation: mv-wobble 5s ease-in-out infinite;
  filter: drop-shadow(0 8px 14px rgba(0, 0, 0, 0.3));
}
@keyframes mv-wobble {
  0%, 100% { transform: translateY(0) rotate(-6deg); }
  50% { transform: translateY(-16px) rotate(6deg); }
}
.mode-visual:hover .mv-main { animation-duration: 2.6s; }

/* Дрібні емодзі — у кожного свій рух */
.mv-a, .mv-b, .mv-c { position: absolute; opacity: 0.92; z-index: 1; }
.mv-a { top: 22px; left: 30px; font-size: 2rem; animation: mv-orbit 9s linear infinite; }
.mv-b { bottom: 24px; right: 34px; font-size: 2rem; animation: mv-drift 6s ease-in-out infinite; }
.mv-c { top: 30px; right: 50px; font-size: 1.5rem; animation: mv-twinkle 3s ease-in-out infinite; }

@keyframes mv-orbit {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(16px, 12px); }
  50%  { transform: translate(0, 24px); }
  75%  { transform: translate(-16px, 12px); }
  100% { transform: translate(0, 0); }
}
@keyframes mv-drift {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-18px, -14px); }
}
@keyframes mv-twinkle {
  0%, 100% { transform: scale(1); opacity: 0.45; }
  50% { transform: scale(1.45); opacity: 1; }
}
.mode-visual:hover .mv-a,
.mode-visual:hover .mv-b { animation-duration: 3.5s; }

/* Одна кнопка «Грати» під усіма режимами */
.modes-cta { text-align: center; margin-top: 52px; }
.modes-cta .btn-primary { animation: pulse-glow 2.8s ease-in-out infinite; }

@media (max-width: 760px) {
  .zigzag-row { grid-template-columns: 1fr; gap: 20px; }
  .zigzag-row:nth-child(even) .mode-visual { order: 0; }
  .mode-visual { min-height: 180px; }
  .mode-text { text-align: center; }
}

/* ===== Поява при прокрутці ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: none;
}

/* нахилені картки: зберігаємо нахил після появи */
.worlds-grid .feature-card.reveal { transform: translateY(28px) rotate(var(--tilt)); }
.worlds-grid .feature-card.reveal.revealed { transform: rotate(var(--tilt)); }
.worlds-grid .feature-card.reveal.revealed:hover {
  transform: rotate(0deg) translateY(-8px) scale(1.03);
}

/* ===== Зменшений рух за налаштуваннями системи ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ===== Дуель 1 на 1 ===== */
.mode-btn-duel {
  background: linear-gradient(135deg, rgba(236,72,153,0.28), rgba(239,68,68,0.24));
}
.mode-btn-duel:hover { border-color: var(--pink); }

.duel-setup {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  max-width: 420px;
  margin: 0 auto;
}
.duel-setup .btn-big { width: 100%; }
.duel-join-box {
  display: flex;
  gap: 10px;
  width: 100%;
}
.duel-join-box input {
  flex: 1;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 2px solid var(--card-border);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  font-family: inherit;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 4px;
  text-align: center;
  text-transform: uppercase;
}
.duel-join-box input:focus { outline: none; border-color: var(--blue); }

.duel-room {
  max-width: 460px;
  margin: 0 auto;
  text-align: center;
}
.duel-room-label { color: var(--text-dim); font-weight: 700; margin-bottom: 8px; }
.duel-code {
  font-size: 2.8rem;
  font-weight: 900;
  letter-spacing: 8px;
  color: var(--white);
  background: linear-gradient(135deg, rgba(124,58,237,0.35), rgba(14,165,233,0.35));
  border: 2px dashed rgba(199,210,254,0.5);
  border-radius: var(--radius);
  padding: 14px 10px 14px 18px;
}
.duel-copy {
  margin-top: 12px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
}
.duel-copy:hover { color: var(--white); }
.duel-share { color: var(--text-dim); font-size: 0.92rem; margin: 6px 0 24px; }

.duel-players {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 28px;
}
.duel-player {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 110px;
}
.duel-player .dp-av {
  font-size: 2.6rem;
  width: 74px; height: 74px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 2px solid var(--card-border);
}
.duel-player .dp-name { font-weight: 800; }
.duel-player.waiting { opacity: 0.55; }
.duel-player.waiting .dp-av { animation: duelPulse 1.4s ease-in-out infinite; }
.duel-vs { font-weight: 900; color: var(--pink); font-size: 1.2rem; }
@keyframes duelPulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.08); } }

.duel-hint { text-align: center; color: var(--text-dim); margin-top: 14px; min-height: 1.2em; }

/* Табло під час гри */
.duel-scoreboard {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 640px;
  margin: 0 auto 22px;
}
.duel-side {
  display: flex;
  align-items: center;
  gap: 12px;
}
.duel-side .ds-av {
  font-size: 1.6rem;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 2px solid var(--card-border);
  flex-shrink: 0;
}
.ds-bar {
  flex: 1;
  height: 16px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
}
.ds-fill {
  height: 100%;
  width: 0;
  border-radius: 10px;
  transition: width 0.4s ease;
}
.ds-fill.me  { background: linear-gradient(90deg, var(--blue), var(--green)); }
.ds-fill.opp { background: linear-gradient(90deg, var(--pink), var(--orange)); }
.ds-score {
  font-weight: 900;
  font-size: 1.2rem;
  min-width: 28px;
  text-align: right;
  flex-shrink: 0;
}
.duel-qnum { text-align: center; color: var(--text-dim); font-weight: 700; margin-bottom: 12px; }

/* Відлік 3-2-1 */
.duel-countdown {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(6,11,31,0.72);
  backdrop-filter: blur(6px);
  z-index: 90;
  font-size: 6rem;
  font-weight: 900;
  color: var(--white);
}
.duel-countdown.pop { animation: duelPop 0.7s ease; }
@keyframes duelPop {
  0% { transform: scale(0.3); opacity: 0; }
  40% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

@media (max-width: 560px) {
  .duel-code { font-size: 2rem; letter-spacing: 5px; }
  .duel-countdown { font-size: 4rem; }
  .duel-players { gap: 12px; }
  .duel-player { min-width: 90px; }
}

/* ===== Щоденний виклик, цілі, рейтинг ===== */
.daily-card {
  display: flex; align-items: center; gap: 18px;
  background: linear-gradient(135deg, rgba(245,158,11,0.20), rgba(239,68,68,0.16));
  border: 1px solid rgba(245,158,11,0.38);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 16px;
}
.daily-flame { display: flex; flex-direction: column; align-items: center; min-width: 56px; }
.daily-flame .df-num { font-size: 1.9rem; font-weight: 900; line-height: 1; color: var(--orange); font-variant-numeric: tabular-nums; }
.daily-flame .df-lbl { font-size: 1.3rem; }
.daily-body { flex: 1; }
.daily-body h3 { margin: 0 0 3px; font-size: 1.1rem; }
.daily-body p { margin: 0; color: var(--text-dim); font-size: .9rem; }
.daily-card .btn { flex: none; }

.quests { margin-bottom: 18px; }
.quests-title { font-size: .95rem; color: var(--text-dim); margin: 6px 0 12px; text-align: center; }
.quest { background: var(--card); border: 1px solid var(--card-border); border-radius: 12px; padding: 12px 14px; margin-bottom: 10px; }
.quest.done { opacity: .72; border-color: rgba(16,185,129,0.5); }
.quest-top { display: flex; justify-content: space-between; gap: 12px; font-size: .9rem; margin-bottom: 8px; }
.quest-name { font-weight: 700; }
.quest-num { color: var(--text-dim); font-variant-numeric: tabular-nums; white-space: nowrap; }
.quest.done .quest-num { color: var(--green); font-weight: 800; }
.quest-bar { height: 7px; border-radius: 99px; background: rgba(255,255,255,0.08); overflow: hidden; }
.quest-bar > span { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--blue), var(--green)); transition: width .5s ease; }
.quest.done .quest-bar > span { background: var(--green); }

.lb-open-wrap { text-align: center; margin-bottom: 8px; }

.lb-guest-note { text-align: center; color: var(--text-dim); background: var(--card); border: 1px solid var(--card-border); border-radius: 12px; padding: 10px 14px; max-width: 520px; margin: 0 auto 18px; font-size: .9rem; }
.lb-list { max-width: 560px; margin: 0 auto; display: grid; gap: 8px; }
.lb-status { text-align: center; color: var(--text-dim); padding: 26px; }
.lb-row { display: grid; grid-template-columns: 44px 38px 1fr auto; align-items: center; gap: 12px; background: var(--card); border: 1px solid var(--card-border); border-radius: 12px; padding: 12px 16px; }
.lb-row.me { border-color: var(--pink); background: rgba(236,72,153,0.12); }
.lb-rank { font-weight: 900; font-size: 1.05rem; text-align: center; font-variant-numeric: tabular-nums; }
.lb-av { font-size: 1.5rem; text-align: center; }
.lb-name { font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-score { font-weight: 800; color: #a78bfa; font-variant-numeric: tabular-nums; white-space: nowrap; }

/* ===== Кооператив «Захисти планету» ===== */
.mode-btn-coop { background: linear-gradient(135deg, rgba(16,185,129,0.28), rgba(14,165,233,0.24)); }
.mode-btn-coop:hover { border-color: var(--green); }

.coop-team-title { text-align: center; margin: 18px 0 12px; font-size: 1rem; color: var(--text-dim); }
.coop-players { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-bottom: 22px; }
.coop-player { display: flex; flex-direction: column; align-items: center; gap: 6px; min-width: 74px; }
.coop-player .cp-av { font-size: 2rem; width: 56px; height: 56px; display: grid; place-items: center; border-radius: 50%; background: rgba(255,255,255,0.08); border: 2px solid var(--card-border); }
.coop-player .cp-name { font-weight: 700; font-size: .9rem; }

.coop-scene {
  position: relative; height: 230px; margin: 6px auto 14px; max-width: 640px;
  overflow: hidden; border-radius: 16px;
  background: radial-gradient(130% 90% at 50% 100%, rgba(14,165,233,0.16), transparent 62%);
}
.coop-dangerzone { position: absolute; left: 0; right: 0; bottom: 0; height: 34%; background: linear-gradient(to top, rgba(239,68,68,0.22), transparent); pointer-events: none; }

.coop-meteor {
  position: absolute; left: 50%; top: 8%;
  transform: translateX(-50%) scale(calc(1 - 0.3 * var(--dmg, 0)));
  transition: top .2s linear, transform .3s ease;
  display: flex; flex-direction: column; align-items: center; gap: 5px; z-index: 2;
}
.coop-meteor-emoji { font-size: 2.7rem; display: block; filter: drop-shadow(0 0 10px rgba(245,158,11, calc(0.45 + 0.55 * var(--dmg, 0)))); }
.coop-meteor .coop-hpbar { width: 64px; height: 7px; border-radius: 99px; background: rgba(0,0,0,0.45); overflow: hidden; border: 1px solid rgba(255,255,255,0.25); }
.coop-meteor .coop-hpfill { height: 100%; width: 100%; border-radius: 99px; background: linear-gradient(90deg, #f59e0b, #ef4444); transition: width .3s ease; }
.coop-meteor.hit { animation: coopHit .35s ease; }
@keyframes coopHit { 0% { filter: brightness(2.4); } 30% { transform: translateX(-50%) scale(1.18) rotate(-7deg); } 100% {} }

.coop-planet-wrap { position: absolute; left: 50%; bottom: 8px; transform: translateX(-50%); display: grid; place-items: center; z-index: 1; }
.coop-planet { font-size: 3.1rem; }
.coop-shield { position: absolute; font-size: 3.8rem; opacity: .4; animation: coopShield 2.4s ease-in-out infinite; }
@keyframes coopShield { 0%,100% { opacity: .3; } 50% { opacity: .6; } }

.coop-scene.danger { animation: coopDanger 1s ease-in-out infinite; }
@keyframes coopDanger { 0%,100% { box-shadow: inset 0 0 0 0 rgba(239,68,68,0); } 50% { box-shadow: inset 0 -50px 45px -25px rgba(239,68,68,.45); } }
.coop-scene.critical { animation: coopShake .28s linear infinite; box-shadow: inset 0 0 0 3px rgba(239,68,68,.55); }
@keyframes coopShake { 0%,100% { transform: translateX(0); } 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }

.coop-blasts { position: absolute; inset: 0; pointer-events: none; z-index: 3; overflow: hidden; }
.coop-beam { position: absolute; left: 50%; bottom: 28px; width: 4px; height: 68%; transform: translateX(-50%); background: linear-gradient(to top, rgba(52,211,153,0), rgba(52,211,153,.95)); border-radius: 2px; animation: coopBeam .4s ease-out forwards; }
@keyframes coopBeam { 0% { opacity: 1; } 100% { opacity: 0; } }
.coop-hitlabel { position: absolute; top: 22%; font-weight: 800; font-size: 1rem; color: #fff; text-shadow: 0 1px 4px #000; white-space: nowrap; animation: coopFloat 1.1s ease-out forwards; }
@keyframes coopFloat { 0% { opacity: 0; transform: translateY(12px) scale(.8); } 20% { opacity: 1; } 100% { opacity: 0; transform: translateY(-42px) scale(1.1); } }

.coop-hud { display: flex; align-items: center; justify-content: center; gap: 16px; max-width: 640px; margin: 0 auto 12px; }
.coop-timer { font-weight: 900; font-size: 1.5rem; min-width: 44px; text-align: center; font-variant-numeric: tabular-nums; }
.coop-hud .coop-hits { font-weight: 800; font-size: .9rem; color: var(--text-dim); white-space: nowrap; }

.coop-team { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: 0 auto 16px; }
.coop-teammate { display: flex; align-items: center; gap: 6px; background: var(--card); border: 1px solid var(--card-border); border-radius: 99px; padding: 4px 12px; font-weight: 800; }
.coop-teammate .ct-av { font-size: 1.1rem; }
.coop-teammate .ct-hits { font-variant-numeric: tabular-nums; color: var(--green); }
.coop-teammate.pulse { animation: coopPulse .45s ease; }
@keyframes coopPulse { 0% { transform: scale(1); } 50% { transform: scale(1.2); border-color: var(--green); } 100% { transform: scale(1); } }

@media (max-width: 560px) {
  .coop-scene { height: 190px; }
  .coop-meteor-emoji { font-size: 2.2rem; }
  .coop-planet { font-size: 2.5rem; }
  .coop-shield { font-size: 3.1rem; }
}

@media (max-width: 560px) {
  .daily-card { flex-wrap: wrap; }
  .daily-card .btn { width: 100%; }
}

/* Адаптивність */
@media (max-width: 560px) {
  .section { padding: 64px 0; }
  .section-sub { margin-bottom: 44px; }
  .hero-scene { height: 330px; }
  .solar-system { transform: translate(-50%, -50%) scale(0.95); }
  .tf-buttons { grid-template-columns: 1fr; }
  #match-grid { grid-template-columns: repeat(2, 1fr); }
  .question-card { font-size: 1.1rem; padding: 22px 16px; }
  .hero { padding: 46px 0 40px; }
}

/* ===== Преміум: аватари, кабінет батьків, складність ===== */
.lb-open-wrap { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }

.avatar-card.premium { position: relative; }
.avatar-card.premium::before {
  content: "👑"; position: absolute; top: 6px; right: 8px; font-size: 14px;
}
.av-premium { color: #b98900; font-weight: 800; }
.avatar-card.premium.locked { border-color: #ffd66b; background: rgba(255, 214, 107, .1); }

/* Кабінет батьків */
.parent-block {
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 18px; padding: 20px 22px; margin: 0 auto 16px; max-width: 640px; text-align: left;
}
.parent-block h2 { margin: 0 0 14px; font-size: 1.15rem; }
.pr-stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.pr-stat { text-align: center; background: rgba(124, 92, 255, .14); border-radius: 12px; padding: 12px 6px; }
.pr-stat b { display: block; font-size: 1.5rem; color: #fff; }
.pr-stat span { font-size: .72rem; opacity: .8; }
.pr-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 16px; }
.pr-col h3 { font-size: .95rem; margin: 0 0 8px; opacity: .9; }
.pr-topic { display: flex; justify-content: space-between; align-items: center; padding: 6px 0; border-bottom: 1px dashed rgba(255, 255, 255, .12); }
.pr-topic b.ok { color: #56d364; }
.pr-topic b.mid { color: #f0b400; }
.pr-topic b.low { color: #ff6b6b; }
.pr-nodata, .pr-note { opacity: .8; font-size: .9rem; margin: 6px 0 0; }
.pr-lock { color: #ffd66b; font-size: .85rem; margin: 12px 0 0; }
.pr-badge { display: inline-block; padding: 6px 12px; border-radius: 999px; font-weight: 700; font-size: .9rem; margin: 4px 0 12px; }
.pr-badge.on { background: rgba(86, 211, 100, .18); color: #56d364; }
.pr-badge.off { background: rgba(255, 255, 255, .1); color: #cbd0e0; }

/* Складність */
.diff-row { display: flex; gap: 10px; flex-wrap: wrap; }
.diff-opt {
  flex: 1; min-width: 90px; padding: 12px; border-radius: 14px; cursor: pointer;
  border: 2px solid rgba(255, 255, 255, .18); background: rgba(255, 255, 255, .05);
  color: #fff; font-weight: 700; font-size: .95rem; transition: .15s;
}
.diff-opt:hover { border-color: rgba(124, 92, 255, .7); }
.diff-opt.active { border-color: #7c5cff; background: rgba(124, 92, 255, .28); }

.parent-demo { border-style: dashed; }

/* Зміна нікнейму в кабінеті */
.nick-edit { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.nick-edit input {
  flex: 1; min-width: 140px; padding: 10px 12px; border-radius: 10px;
  border: 2px solid rgba(255, 255, 255, .18); background: rgba(255, 255, 255, .06);
  color: #fff; font-size: .95rem; font-weight: 700;
}
.nick-edit input:focus { outline: none; border-color: #7c5cff; }
.entry-nick-hint { opacity: .85; }

/* ===== Юридичні сторінки ===== */
.legal { max-width: 820px; margin: 0 auto; padding: 40px 22px 80px; line-height: 1.7; }
.legal a { color: #b9a8ff; }
.legal h1 { font-size: 2rem; margin: 0 0 6px; }
.legal .legal-updated { opacity: .7; font-size: .9rem; margin-bottom: 26px; }
.legal h2 { font-size: 1.3rem; margin: 34px 0 10px; border-bottom: 1px solid rgba(255, 255, 255, .12); padding-bottom: 6px; }
.legal h3 { font-size: 1.05rem; margin: 20px 0 6px; }
.legal p, .legal li { color: #dfe3f2; }
.legal ul { padding-left: 22px; margin: 8px 0; }
.legal li { margin: 5px 0; }
.legal table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: .95rem; }
.legal th, .legal td { border: 1px solid rgba(255, 255, 255, .15); padding: 9px 11px; text-align: left; vertical-align: top; }
.legal th { background: rgba(124, 92, 255, .18); }
.legal .legal-note {
  background: rgba(255, 214, 107, .12); border: 1px solid rgba(255, 214, 107, .4);
  border-radius: 12px; padding: 14px 18px; margin: 18px 0;
}
.legal .legal-kids {
  background: rgba(86, 211, 100, .12); border: 1px solid rgba(86, 211, 100, .4);
  border-radius: 14px; padding: 16px 20px; margin: 20px 0;
}
.legal .legal-ph { background: rgba(255, 107, 107, .18); border-radius: 5px; padding: 1px 6px; font-weight: 700; }
.legal-back { display: inline-block; margin: 24px 0 0; }
.footer-legal { margin-top: 14px; display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; font-size: .68rem; }
.footer-legal a { color: inherit; opacity: .32; text-decoration: none; font-weight: 400; letter-spacing: .2px; transition: opacity .15s; }
.footer-legal a:hover { opacity: .75; text-decoration: underline; }

/* Замок на групових режимах */
.mode-btn.mode-locked { position: relative; opacity: .82; }
.mode-btn.mode-locked::after {
  content: "👑"; position: absolute; top: 8px; right: 10px; font-size: 16px;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, .5));
}

@media (max-width: 560px) {
  .pr-stats { grid-template-columns: repeat(3, 1fr); }
  .pr-cols { grid-template-columns: 1fr; }
}