/* 消消乐 · DaoBox 家族（v0.1.0） */
:root {
  --bg: #f0faf1;
  --board: #d9efdc;
  --cell: #ffffff;
  --text: #234031;
  --muted: #7c8f84;
  --accent: #ff6b6b;
  --green: #22c55e;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh; min-height: 100dvh;
  display: flex; flex-direction: column;
  background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  -webkit-tap-highlight-color: transparent;
}

/* ---------- 顶栏 ---------- */
.topbar { background: #fff; border-bottom: 1px solid rgba(0,0,0,.06); }
.topbar-inner {
  max-width: 560px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
}
.brand { font-size: 17px; font-weight: 700; }
.topbar-tools { display: inline-flex; align-items: center; gap: 6px; }
.version-badge { font-size: 11px; color: #6b7280; background: #f3f4f6; border-radius: 999px; padding: 3px 7px; }
.refresh-btn { width: 26px; height: 26px; padding: 0; border: 1px solid #e5e7eb; border-radius: 999px; background: #fff; color: #6b7280; font-size: 15px; line-height: 1; cursor: pointer; }
.refresh-btn:hover { color: var(--green); border-color: #86efac; }

/* ---------- 主体 ---------- */
.page { max-width: 560px; width: 100%; margin: 0 auto; padding: 16px 16px 32px; flex: 1; }

.hud { display: flex; gap: 10px; align-items: stretch; margin-bottom: 12px; }
.score-box { flex: 1; background: var(--board); border-radius: 10px; padding: 8px 12px; text-align: center; }
.score-label { font-size: 12px; color: var(--muted); }
.score-value { font-size: 24px; font-weight: 800; line-height: 1.2; }
.btn-col { display: flex; flex-direction: column; gap: 6px; justify-content: center; }
.btn {
  border: none; border-radius: 8px;
  padding: 8px 14px; font-size: 14px; font-weight: 700;
  background: #cfe9d4; color: #2f6b44; cursor: pointer;
}
.btn.primary { background: var(--green); color: #fff; }
.btn:disabled { opacity: .45; cursor: default; }

.hint { font-size: 13px; margin-bottom: 14px; text-align: center; color: var(--muted); }
.hint b { color: var(--accent); }

/* ---------- 棋盘 ---------- */
.board {
  width: 100%;
  background: var(--board);
  border-radius: 14px;
  padding: 8px;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}
.cells {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
}
.cell {
  aspect-ratio: 1;
  background: var(--cell);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: clamp(18px, 5.4vw, 30px);
  line-height: 1;
  cursor: pointer;
  position: relative;
}
.cell.selected { outline: 3px solid var(--accent); outline-offset: -3px; transform: scale(.9); }
.cell.swap-bump { animation: bump .16s ease; }
.cell.shake { animation: shake .3s ease; }
.cell.clearing { animation: pop-out .26s ease forwards; pointer-events: none; }
.cell.drop-in { animation: drop-in .22s ease backwards; }

@keyframes bump {
  0% { transform: scale(1); }
  50% { transform: scale(.82); }
  100% { transform: scale(1); }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-3px); }
  75% { transform: translateX(3px); }
}
@keyframes pop-out {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(.1); opacity: 0; }
}
@keyframes drop-in {
  0% { transform: translateY(-14px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}

/* ---------- 得分飘字 ---------- */
.float-layer {
  position: relative; height: 0; overflow: visible;
  max-width: 560px; margin: 0 auto; pointer-events: none; text-align: center;
}
.float-text {
  position: absolute; left: 50%; top: -8px;
  transform: translateX(-50%);
  font-size: 20px; font-weight: 800; color: var(--accent);
  text-shadow: 0 1px 4px rgba(255,107,107,.3);
  animation: float-up 1s ease forwards;
  white-space: nowrap;
}
@keyframes float-up {
  0% { opacity: 0; transform: translate(-50%, 8px); }
  20% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -34px); }
}

/* ---------- 提示 toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 96px; transform: translateX(-50%);
  background: rgba(23,42,33,.88); color: #fff;
  font-size: 13px; padding: 9px 16px; border-radius: 999px;
  z-index: 900; pointer-events: none;
  animation: toast-in .25s ease;
}
.toast.hidden { display: none; }
@keyframes toast-in {
  0% { opacity: 0; transform: translate(-50%, 8px); }
  100% { opacity: 1; transform: translate(-50%, 0); }
}

/* ---------- 说明 ---------- */
.tips {
  margin-top: 22px; background: #fff; border-radius: 12px;
  padding: 16px; border: 1px solid rgba(0,0,0,.05);
}
.tips h2 { font-size: 15px; margin-bottom: 8px; }
.tips ul { padding-left: 18px; }
.tips li { font-size: 13px; line-height: 1.8; color: #4b5f54; }

/* ---------- 弹窗 ---------- */
.modal-mask {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(2,6,23,.6);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.modal-mask.hidden { display: none; }
.modal-card {
  width: 100%; max-width: 340px; background: #fff; border-radius: 16px;
  padding: 26px 22px; text-align: center;
}
.modal-card .win-emoji { font-size: 42px; line-height: 1; }
.modal-card h3 { font-size: 19px; margin: 12px 0 6px; color: #111827; }
.modal-card p { font-size: 14px; color: #6b7280; line-height: 1.6; }
.modal-btns { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }
.primary-btn, .secondary-btn {
  display: block; width: 100%; padding: 11px 0; border-radius: 10px;
  font-size: 15px; font-weight: 700; text-decoration: none; text-align: center;
  border: none; cursor: pointer;
}
.primary-btn { background: var(--green); color: #fff; }
.secondary-btn { background: #f3f4f6; color: #374151; }

/* ---------- 底部 ---------- */
.footer {
  max-width: 560px; width: 100%; margin: 0 auto;
  padding: 16px; text-align: center; font-size: 13px; color: #9ca3af;
}
.footer a { color: #9ca3af; text-decoration: none; }
.footer .dot { margin: 0 6px; }

@media (max-width: 380px) {
  .score-value { font-size: 20px; }
  .btn { padding: 7px 10px; font-size: 13px; }
}