:root{
  --bg1:#070A1A;
  --bg2:#0C1538;
  --card:#0f1b44cc;
  --card2:#0b1330cc;
  --stroke:#ffffff1f;
  --text:#ffffff;
  --muted:#ffffffa6;
  --shadow: 0 18px 50px rgba(0,0,0,.45);
  --radius: 18px;
}

*{ box-sizing:border-box; }

html,body{
  height:100%;
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color:var(--text);
}

body{
  background-image:
    radial-gradient(1200px 900px at 20% 10%, rgba(39,71,38,.18), transparent 55%),
    radial-gradient(1000px 800px at 85% 20%, rgba(95,173,88,.16), transparent 55%),
    linear-gradient(180deg, rgba(39,71,38,.78), rgba(95,173,88,.78)),
    url("/assets/bg.png");
  background-size: cover, cover, cover, cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow:hidden;
}

.app{ width:100%; height:100%; }

/* ===== SCREENS ===== */
.screen{
  position:absolute;
  inset:0;
  display:none;
  padding:0;
  width:100vw;
  height:100dvh;
}
.screen--active{ display:flex; }

/* ===== START SCREEN ===== */
#startScreen{
  align-items:center;
  justify-content:center;
}

.startCard{
  width:100%;
  height: 100%;
  margin:auto;
  padding: clamp(16px, 2.6vw, 28px);
  background: linear-gradient(180deg, #274724, #5FAD58);
  border:1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.brand{ display:flex; gap:16px; align-items:center; }
.logo{
  width:64px; height:64px; object-fit:contain;
  border-radius:14px;
  border:1px solid var(--stroke);
  background:#00000033;
  padding:10px;
}
.brandText h1{ margin:0; font-size:34px; }
.muted{ color:var(--muted); }

.rules{
  margin-top:18px;
  padding:14px 16px;
  border-radius:16px;
  border:1px solid var(--stroke);
  background:#0000001c;
}
.rules h2{ margin:0 0 8px; font-size:18px; }
.rules ul{ margin:0; padding-left:18px; }
.rules li{ margin:6px 0; color:var(--muted); }

.actions{ margin:16px 0 10px; display:flex; gap:12px; }

/* ===== BUTTONS ===== */
.btn{
  border:1px solid var(--stroke);
  background:#ffffff12;
  color:var(--text);
  padding:12px 14px;
  border-radius:14px;
  cursor:pointer;
  font-weight:650;
  user-select:none;
  transition: transform .08s ease, background .18s ease, border-color .18s ease;
}
.btn:active{ transform: translateY(1px) scale(.99); }
.btn--primary{
  background: linear-gradient(135deg, rgba(110,231,255,.22), rgba(155,140,255,.22));
  border-color:#ffffff2a;
}
.btn--secondary{
  background: linear-gradient(135deg, rgba(110,231,255,.14), rgba(0,0,0,.06));
}
.btn--ghost{ background:transparent; }
.btn:focus{ outline:none; box-shadow: 0 0 0 3px rgba(110,231,255,.18); }

/* ===== LEADERBOARD ===== */
.leaderboard{
  margin-top: 14px;
  border:1px solid var(--stroke);
  border-radius: 16px;
  padding: 14px 16px;
  background:#00000014;
}
.leaderboardHead{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.leaderboardHead h2{ margin:0; font-size:18px; }
.leaderboardBody{ margin-top:10px; max-height: 240px; overflow:auto; padding-right:6px; }
.row{
  display:grid;
  grid-template-columns: 40px 1fr 120px 90px;
  gap:10px;
  padding: 10px 10px;
  border-radius: 12px;
  border:1px solid transparent;
}
.row:nth-child(odd){ background:#ffffff08; }
.row:hover{ border-color:#ffffff1f; }
.cell{ color:var(--muted); }
.cell strong{ color:var(--text); }
.footer{ margin-top: 12px; font-size: 13px; }

/* ===== GAME ===== */
#gameScreen{
  flex-direction:column;
  width:100%;
  height:100%;
  gap:12px;
  padding:16px;
  min-height:0;
}

.hud{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:10px 12px;
  border-radius:18px;
  border:1px solid var(--stroke);
  background:#00000024;
  backdrop-filter: blur(10px);
}

.hudCenter{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  justify-content:center;
}

.stat{
  min-width:110px;
  padding:8px 10px;
  border-radius:14px;
  border:1px solid var(--stroke);
  background:#ffffff0a;
  text-align:center;
}
.statLabel{ font-size:12px; color:var(--muted); }
.statValue{ font-size:18px; font-weight:750; }

.boardWrap{
  flex:1;
  min-height:0;
  display:flex;
}

/* ВАЖНО: 10 колонок всегда, без var и без старых min(1100px,100%) */
.board{
  width:100%;
  height:100%;
  display:grid;

  grid-template-columns: repeat(8, minmax(0, 1fr));

  gap: 14px;
  padding: 14px;

  border-radius:22px;
  border:1px solid var(--stroke);
  background:#5fad58;;
  box-shadow: var(--shadow);
}

/* Карточки: квадратные */
.card{
  position:relative;
  border:0;
  padding:0;
  background:transparent;
  cursor:pointer;
  perspective:1000px;
  aspect-ratio: 1 / 1;
}

.cardInner{
  position:absolute;
  inset:0;
  border-radius:14px;
  transform-style:preserve-3d;
  transition: transform .55s cubic-bezier(.2,.8,.2,1);
  box-shadow: 0 8px 24px rgba(0,0,0,.35);
}

.card.is-flipped .cardInner{ transform: rotateY(180deg); }

.face{
  position:absolute;
  inset:0;
  border-radius:14px;
  backface-visibility:hidden;
  overflow:hidden;
  border:1px solid #ffffff1c;
  background:#0a1130;
}

.face img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

.front{ transform: rotateY(180deg); }

.card.is-matched .cardInner{
  box-shadow: 0 0 0 2px rgba(88,242,154,.28), 0 14px 34px rgba(0,0,0,.35);
}
.card.is-locked{ pointer-events:none; opacity:.98; }

/* MODAL */
.modal{
  position:absolute;
  inset:0;
  display:none;
  align-items:center;
  justify-content:center;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(6px);
}
.modal.is-open{ display:flex; }
.modalCard{
  width:min(520px, 92vw);
  border-radius:20px;
  border:1px solid var(--stroke);
  background: linear-gradient(180deg, var(--card), var(--card2));
  box-shadow: var(--shadow);
  padding: 18px 18px 16px;
}
.modalCard h2{ margin:0 0 8px; }
.formRow{ margin-top:12px; }
.label{ display:block; margin-bottom:6px; color:var(--muted); font-size:13px; }
.input{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid var(--stroke);
  background:#ffffff10;
  color:var(--text);
  outline:none;
}
.modalActions{
  display:flex;
  gap:10px;
  justify-content:flex-end;
  margin-top:14px;
}

/* Scrollbar */
.leaderboardBody::-webkit-scrollbar{ width: 10px; }
.leaderboardBody::-webkit-scrollbar-thumb{ background:#ffffff1f; border-radius:20px; }
/* =========================
   Responsive (mobile/tablet)
========================= */

/* чтобы игра не "жила" под адресной строкой */
html, body { height: 100%; }
.screen { min-height: 100svh; } /* svh стабильнее на мобилках */

/* адаптация HUD */
@media (max-width: 820px) {
  #gameScreen { padding: 10px; gap: 10px; }

  .hud{
    padding: 10px;
    border-radius: 16px;
  }

  .hudCenter{
    gap: 8px;
  }

  .stat{
    min-width: 92px;
    padding: 7px 8px;
    border-radius: 12px;
  }

  .statLabel{ font-size: 11px; }
  .statValue{ font-size: 16px; }

  .btn{
    padding: 10px 12px;
    border-radius: 12px;
  }
}

/* на телефоне делаем меньше колонок, чтобы карточки были кликабельные */
@media (max-width: 560px) {
  .board{
    gap: 8px;
    padding: 60px;
  }

  /* переопределяем колонки на мобиле */
  .board{ grid-template-columns: repeat(var(--cols-mobile, 4), 1fr); }

  /* чутка меньше радиус карт */
  .cardInner, .face { border-radius: 14px; }
}

/* очень узкие экраны — 3 колонки */
@media (max-width: 360px){
  .board{ grid-template-columns: repeat(3, 1fr); }
}

/* чтобы кнопки не были перекрываемы "home indicator" на iPhone */
@supports (padding: max(0px)) {
  #gameScreen{
    padding-bottom: max(10px, env(safe-area-inset-bottom));
    padding-top: max(10px, env(safe-area-inset-top));
  }
}