/* ===== Тема: тёмно-синий + бронза ===== */
:root {
  --navy-900: #0a1628;
  --navy-800: #0d1b2a;
  --navy-700: #14233b;
  --navy-600: #1c3050;
  --bronze: #cd7f32;
  --bronze-300: #e0a96d;
  --bronze-700: #9c5f24;
  --bronze-glow: rgba(205, 127, 50, 0.35);
  --text: #e8e6e1;
  --text-dim: #9ba0ab;
  --line: rgba(205, 127, 50, 0.28);
  --radius: 14px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: "Rubik", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 50% -10%, var(--navy-700), transparent 60%),
    radial-gradient(900px 600px at 90% 110%, #122c1f00, transparent),
    var(--navy-900);
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  -webkit-tap-highlight-color: transparent;
}

/* ===== Шапка ===== */
.site-header {
  padding: 22px 16px 0;
  text-align: center;
}

.logo {
  font-family: "Orbitron", sans-serif;
  font-weight: 900;
  font-size: clamp(1.6rem, 5vw, 2.6rem);
  letter-spacing: 0.04em;
  margin: 0 0 2px;
  color: var(--text);
  text-shadow: 0 0 24px var(--bronze-glow);
}
.logo span { color: var(--bronze); }
.logo .logo-sub {
  display: inline-block;
  font-size: 0.42em;
  letter-spacing: 0.35em;
  color: var(--bronze-300);
  vertical-align: middle;
  margin-left: 8px;
  text-transform: uppercase;
}

/* ===== Вкладки ===== */
.tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 20px auto 6px;
  max-width: 760px;
}

.tab {
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-dim);
  background: var(--navy-800);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 18px;
  cursor: pointer;
  transition: color .18s, border-color .18s, background .18s, box-shadow .18s, transform .12s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.tab .tab-icon { font-size: 1.05em; line-height: 1; }
.tab:hover { color: var(--text); border-color: var(--bronze-700); }
.tab[aria-selected="true"] {
  color: #1a0f04;
  background: linear-gradient(180deg, var(--bronze-300), var(--bronze));
  border-color: var(--bronze-300);
  box-shadow: 0 6px 18px var(--bronze-glow);
  font-weight: 700;
}

/* ===== Сцена / панели ===== */
.stage {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 18px 14px 32px;
}
.panel[hidden] { display: none; }
.panel { width: 100%; display: flex; justify-content: center; }

.game-card {
  width: 100%;
  max-width: 620px;
  background: linear-gradient(180deg, var(--navy-800), var(--navy-700));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  text-align: center;
}

.game-head h2 {
  font-family: "Orbitron", sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  margin: 0 0 4px;
  color: var(--bronze-300);
}
.hint {
  margin: 0 0 18px;
  color: var(--text-dim);
  font-size: 0.9rem;
}
.x-mark { color: var(--bronze-300); }
.o-mark { color: #7fb3ff; }

/* ===== Кнопки ===== */
.btn {
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  color: #1a0f04;
  background: linear-gradient(180deg, var(--bronze-300), var(--bronze));
  border: none;
  border-radius: 10px;
  padding: 11px 26px;
  margin-top: 18px;
  cursor: pointer;
  transition: transform .12s, box-shadow .18s, filter .18s;
  box-shadow: 0 4px 14px var(--bronze-glow);
}
.btn:hover { filter: brightness(1.06); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

/* ===== Счёт ===== */
.scorebar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--text-dim);
}
.scorebar b { color: var(--text); font-family: "Orbitron", sans-serif; }
.scorebar.vertical { flex-direction: column; gap: 8px; text-align: left; align-items: flex-start; }

/* ===== Крестики-нолики ===== */
.ttt-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  max-width: 360px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
}
.ttt-cell {
  background: var(--navy-900);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-family: "Orbitron", sans-serif;
  font-size: clamp(2.2rem, 12vw, 3.4rem);
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s, box-shadow .15s, transform .08s;
  aspect-ratio: 1 / 1;
}
.ttt-cell:hover:not(:disabled) { background: var(--navy-600); }
.ttt-cell:disabled { cursor: default; }
.ttt-cell.x { color: var(--bronze-300); }
.ttt-cell.o { color: #7fb3ff; }
.ttt-cell.win {
  background: var(--bronze-700);
  box-shadow: 0 0 22px var(--bronze-glow);
  color: #fff;
}
.ttt-status {
  margin: 18px 0 0;
  font-weight: 600;
  min-height: 1.2em;
  color: var(--bronze-300);
}

/* ===== Canvas-обёртка ===== */
.canvas-wrap {
  width: 100%;
  display: flex;
  justify-content: center;
}
canvas {
  background: var(--navy-900);
  border: 1px solid var(--line);
  border-radius: 10px;
  max-width: 100%;
  height: auto;
  display: block;
  touch-action: manipulation;
}
#dino-canvas { width: 100%; }
#dino-canvas:focus { outline: 2px solid var(--bronze); outline-offset: 2px; }

/* ===== Тетрис ===== */
.tetris-layout {
  display: flex;
  gap: 18px;
  justify-content: center;
  align-items: flex-start;
}
#tetris-canvas { width: 270px; }
.tetris-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}
.next-box {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
}
.next-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
#tetris-next { width: 96px; height: 96px; }

.touch-controls {
  display: none;
  justify-content: center;
  gap: 10px;
  margin-top: 16px;
}
.touch-btn {
  font-size: 1.5rem;
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--navy-800);
  border: 1px solid var(--line);
  color: var(--bronze-300);
  cursor: pointer;
}
.touch-btn:active { background: var(--bronze-700); color: #fff; }

/* ===== Подвал ===== */
.site-footer {
  text-align: center;
  padding: 16px;
  color: var(--text-dim);
  font-size: 0.8rem;
  border-top: 1px solid var(--line);
}

/* ===== Адаптив ===== */
@media (max-width: 768px) {
  .tetris-layout { gap: 12px; }
  #tetris-canvas { width: 230px; }
}

@media (max-width: 560px) {
  .game-card { padding: 16px; }
  .tab { font-size: 0.85rem; padding: 9px 14px; }
  .tetris-layout { flex-direction: column; align-items: center; }
  .tetris-side { flex-direction: row; align-items: center; flex-wrap: wrap; justify-content: center; }
  .scorebar.vertical { flex-direction: row; gap: 14px; }
  .touch-controls { display: flex; }   /* кнопки только на мобиле */
  #tetris-canvas { width: 240px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}