/* ===== GameHub — тёмная тема, градиенты, карточки ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg1: #0d0f1a;
  --bg2: #151a2e;
  --card: rgba(255, 255, 255, 0.045);
  --card-border: rgba(255, 255, 255, 0.09);
  --text: #e8ecf7;
  --muted: #9aa3bd;
  --accent1: #7c5cff;
  --accent2: #2ec8ff;
  --accent3: #ff5cb8;
  --ok: #2ecc8f;
  --danger: #ff5c6c;
  --radius: 16px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: linear-gradient(160deg, var(--bg1) 0%, var(--bg2) 55%, #1b1030 100%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}

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

/* ===== Шапка ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(13, 15, 26, 0.78);
  border-bottom: 1px solid var(--card-border);
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}
.logo-badge {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent1), var(--accent3));
  display: grid;
  place-items: center;
  font-size: 1.15rem;
  box-shadow: 0 4px 16px rgba(124, 92, 255, 0.4);
}
.logo span em {
  font-style: normal;
  background: linear-gradient(90deg, var(--accent2), var(--accent3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.main-nav {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.main-nav a {
  padding: 8px 14px;
  border-radius: 10px;
  font-weight: 600;
  color: var(--muted);
  transition: background 0.2s, color 0.2s;
}
.main-nav a:hover {
  background: var(--card);
  color: var(--text);
}
.header-spacer {
  flex: 1;
}

/* ===== Контейнер ===== */
.wrap {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 30px 20px 60px;
  flex: 1;
}

/* ===== Hero ===== */
.hero {
  padding: 42px 0 30px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--accent1), var(--accent2), var(--accent3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 620px;
  margin: 0 auto;
}
.hero-stats {
  margin-top: 22px;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.stat-pill {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.9rem;
  color: var(--muted);
}
.stat-pill b {
  color: var(--text);
}

/* ===== Сетка карточек игр ===== */
.section-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 30px 0 16px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 18px;
}
.game-card {
  position: relative;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--card-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.game-card:hover {
  transform: translateY(-5px);
  border-color: rgba(124, 92, 255, 0.55);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
}
.card-preview {
  height: 138px;
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 30% 30%, rgba(46, 200, 255, 0.14), transparent 60%),
    radial-gradient(circle at 70% 80%, rgba(124, 92, 255, 0.16), transparent 60%),
    rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--card-border);
}
.card-preview .glyph {
  font-size: 3.2rem;
  filter: drop-shadow(0 6px 18px rgba(124, 92, 255, 0.5));
  transition: transform 0.25s ease;
}
.game-card:hover .card-preview .glyph {
  transform: scale(1.12) rotate(-4deg);
}
.card-body {
  padding: 16px 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.card-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
}
.card-tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent2);
}
.card-body p {
  color: var(--muted);
  font-size: 0.9rem;
  flex: 1;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  border-radius: 12px;
  padding: 12px 20px;
  font-weight: 700;
  font-size: 0.95rem;
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  color: #fff;
  transition: transform 0.15s ease, box-shadow 0.2s ease, filter 0.2s ease;
  font-family: inherit;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(124, 92, 255, 0.45);
  filter: brightness(1.08);
}
.btn:active {
  transform: translateY(0);
}
.btn.full {
  width: 100%;
  margin-top: 4px;
}
.btn.ghost {
  background: var(--card);
  border: 1px solid var(--card-border);
  color: var(--text);
}
.btn.small {
  padding: 8px 14px;
  font-size: 0.85rem;
}
.btn.pink {
  background: linear-gradient(135deg, var(--accent3), var(--accent1));
}

/* ===== Страница игры ===== */
.game-page h1 {
  text-align: center;
  font-size: clamp(1.6rem, 3.5vw, 2.3rem);
  font-weight: 800;
  margin: 8px 0 4px;
}
.game-page .sub {
  text-align: center;
  color: var(--muted);
  margin-bottom: 20px;
}
.stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}
.game-panel {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}
.board {
  display: grid;
  gap: 4px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: 8px;
}
.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}
.hud {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.hud .pill {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 10px 16px;
  min-width: 92px;
  text-align: center;
}
.hud .pill .lbl {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.hud .pill .val {
  font-size: 1.4rem;
  font-weight: 800;
}
.hint {
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}

canvas.board-canvas {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  display: block;
  max-width: 100%;
  image-rendering: pixelated;
}

/* 2048 */
.tile-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 8px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
}
.tile {
  width: 74px;
  height: 74px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  transition: background 0.12s ease, transform 0.1s ease;
  user-select: none;
}
.tile.t2 { background: #3a415e; }
.tile.t4 { background: #454d74; }
.tile.t8 { background: #5b4a7e; color: #fff; }
.tile.t16 { background: #7c5cff; color: #fff; }
.tile.t32 { background: #6c4ce6; color: #fff; }
.tile.t64 { background: #4f9dff; color: #fff; }
.tile.t128 { background: #2ec8ff; color: #0a0f1c; }
.tile.t256 { background: #35d9a0; color: #0a0f1c; }
.tile.t512 { background: #ffdf5c; color: #0a0f1c; }
.tile.t1024 { background: #ffa34d; color: #0a0f1c; }
.tile.t2048 { background: #ff5cb8; color: #fff; }

/* Крестики-нолики / клеточные */
.cell-btn {
  width: 92px;
  height: 92px;
  font-size: 2.6rem;
  font-weight: 800;
  border-radius: 10px;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}
.cell-btn:hover:not(:disabled) { background: rgba(255, 255, 255, 0.12); }
.cell-btn:disabled { cursor: default; }
.cell-btn.x { color: var(--accent2); }
.cell-btn.o { color: var(--accent3); }

/* Сапёр */
.mine-cell {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.08);
  font-weight: 800;
  cursor: pointer;
  display: grid;
  place-items: center;
  user-select: none;
}
.mine-cell.revealed { background: rgba(255, 255, 255, 0.02); cursor: default; }
.mine-cell.revealed.mine { background: rgba(255, 92, 108, 0.5); }
.mine-cell .n1 { color: #4f9dff; }
.mine-cell .n2 { color: #2ecc8f; }
.mine-cell .n3 { color: #ff5c6c; }
.mine-cell .n4 { color: #b78cff; }
.mine-cell .n5 { color: #ffb84d; }
.mine-cell .n6 { color: #35d9a0; }
.mine-cell .n7 { color: #fff; }
.mine-cell .n8 { color: #cbd2e6; }

/* Память */
.mem-grid {
  display: grid;
  gap: 10px;
  margin: 0 auto;
}
.mem-card {
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  cursor: pointer;
  font-size: 1.8rem;
  display: grid;
  place-items: center;
  transition: transform 0.2s, background 0.2s;
  user-select: none;
}
.mem-card .back { opacity: 0; transform: scale(0.4); transition: 0.15s; }
.mem-card.flipped { background: rgba(255, 255, 255, 0.06); }
.mem-card.flipped .back { opacity: 1; transform: scale(1); }
.mem-card.matched { background: rgba(46, 204, 143, 0.25); }
.mem-card.matched .back { opacity: 1; transform: scale(1); }
.mem-card.shake { animation: shake 0.4s; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

/* Кликер */
.click-area {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-weight: 800;
  font-size: 1.2rem;
  color: #fff;
  background: radial-gradient(circle at 30% 30%, #8a6bff, var(--accent1) 60%, #5b3bd6);
  box-shadow: 0 12px 34px rgba(124, 92, 255, 0.5), inset 0 2px 10px rgba(255,255,255,0.25);
  transition: transform 0.08s;
  touch-action: manipulation;
}
.click-area:active { transform: scale(0.95); }
.click-area:disabled { filter: grayscale(0.6); }

/* Угадай число */
.number-box {
  font-size: 3rem;
  font-weight: 800;
  text-align: center;
  letter-spacing: 0.1em;
}
input[type="number"], input.text {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--card-border);
  color: var(--text);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 1.1rem;
  font-family: inherit;
  outline: none;
  width: 150px;
  text-align: center;
}
input:focus { border-color: var(--accent1); }

/* Сообщения/статус */
.status {
  font-size: 1.05rem;
  font-weight: 700;
  text-align: center;
  min-height: 28px;
  color: var(--muted);
}
.status.win { color: var(--ok); }
.status.lose { color: var(--danger); }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 10, 18, 0.7);
  backdrop-filter: blur(4px);
  display: grid;
  place-items: center;
  z-index: 50;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.modal-overlay.show { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--bg2);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 30px 34px;
  text-align: center;
  max-width: 360px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.modal h2 { margin-bottom: 8px; font-size: 1.6rem; }
.modal p { color: var(--muted); margin-bottom: 18px; }

/* ===== Подвал ===== */
.site-footer {
  border-top: 1px solid var(--card-border);
  padding: 26px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  background: rgba(10, 12, 20, 0.5);
}
.site-footer .footer-links {
  margin-top: 10px;
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
}
.site-footer a:hover { color: var(--text); }

/* Отзывчивость */
@media (max-width: 560px) {
  .cell-btn { width: 76px; height: 76px; font-size: 2.2rem; }
  .mine-cell { width: 34px; height: 34px; }
  .tile { width: 60px; height: 60px; font-size: 1.4rem; }
  .click-area { width: 210px; height: 210px; }
}