/* 浮层层：开始 / 暂停 / 结算面板与控件 */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  background: radial-gradient(ellipse at 50% 45%, rgba(8, 14, 30, 0.55), rgba(3, 5, 12, 0.86));
}

.overlay.visible {
  opacity: 1;
  pointer-events: auto;
  backdrop-filter: blur(9px);
  -webkit-backdrop-filter: blur(9px);
}

.panel {
  position: relative;
  width: min(580px, 94vw);
  max-height: 92vh;
  overflow-y: auto;
  padding: clamp(22px, 3vw, 34px);
  border-radius: 22px;
  border: 1px solid rgba(120, 190, 255, 0.16);
  background:
    linear-gradient(158deg, rgba(22, 32, 60, 0.92), rgba(7, 11, 24, 0.95)),
    radial-gradient(ellipse at 20% 0%, rgba(84, 230, 255, 0.12), transparent 60%);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.62), 0 0 90px rgba(70, 170, 255, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  text-align: center;
}

.panel::-webkit-scrollbar { width: 6px; }
.panel::-webkit-scrollbar-thumb { background: rgba(120, 190, 255, 0.25); border-radius: 3px; }

.overlay.visible .panel {
  animation: panelIn 0.45s cubic-bezier(0.2, 0.9, 0.25, 1.2);
}

@keyframes panelIn {
  from { opacity: 0; transform: translateY(22px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.panel.narrow { width: min(420px, 92vw); }

.title {
  font-size: clamp(26px, 4.4vw, 40px);
  font-weight: 800;
  letter-spacing: 0.18em;
  line-height: 1.25;
  background: linear-gradient(100deg, #8ceeff, #a06bff 38%, #ffd166 68%, #8ceeff);
  background-size: 240% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: hueflow 7s linear infinite;
  filter: drop-shadow(0 0 18px rgba(84, 230, 255, 0.25));
}

.title.small { font-size: clamp(22px, 3.2vw, 30px); }

@keyframes hueflow {
  to { background-position: 240% 0; }
}

.subtitle {
  margin-top: 8px;
  font-size: 10.5px;
  letter-spacing: 0.42em;
  color: rgba(160, 210, 255, 0.5);
}

.desc {
  margin: 16px auto 4px;
  max-width: 440px;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(200, 225, 255, 0.62);
}

.group { margin-top: 18px; }

.group-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-size: 10px;
  letter-spacing: 0.26em;
  color: rgba(160, 200, 255, 0.45);
  margin-bottom: 9px;
  text-align: left;
}

.group-hint {
  font-size: 9.5px;
  letter-spacing: 0.12em;
  color: rgba(160, 200, 255, 0.32);
}

.options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
}

.options.two { grid-template-columns: repeat(2, 1fr); }

.opt {
  padding: 11px 8px;
  border-radius: 13px;
  border: 1px solid rgba(120, 190, 255, 0.16);
  background: rgba(255, 255, 255, 0.025);
  color: rgba(210, 232, 255, 0.78);
  cursor: pointer;
  transition: 0.22s;
  text-align: center;
  font-family: inherit;
}

.opt b {
  display: block;
  font-size: 15px;
  letter-spacing: 0.08em;
  margin-bottom: 3px;
}

.opt small {
  display: block;
  font-size: 10px;
  letter-spacing: 0.04em;
  color: rgba(170, 205, 245, 0.44);
}

.opt:hover {
  border-color: rgba(120, 225, 255, 0.45);
  background: rgba(40, 80, 140, 0.22);
}

.opt.active {
  border-color: rgba(120, 232, 255, 0.85);
  background: linear-gradient(160deg, rgba(40, 100, 170, 0.42), rgba(70, 45, 150, 0.32));
  color: #e9f8ff;
  box-shadow: 0 0 24px rgba(84, 230, 255, 0.22), inset 0 0 22px rgba(84, 230, 255, 0.08);
}

.opt.active small { color: rgba(180, 230, 255, 0.7); }

/* 玩法修饰（多选） */
.mods {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.mod {
  padding: 9px 6px;
  border-radius: 11px;
  border: 1px solid rgba(120, 190, 255, 0.14);
  background: rgba(255, 255, 255, 0.02);
  color: rgba(210, 232, 255, 0.7);
  cursor: pointer;
  font-family: inherit;
  text-align: center;
  transition: 0.2s;
}

.mod b {
  display: block;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  margin-bottom: 2px;
}

.mod small {
  display: block;
  font-size: 9.5px;
  letter-spacing: 0.02em;
  color: rgba(170, 205, 245, 0.4);
}

.mod:hover {
  border-color: rgba(120, 225, 255, 0.4);
  background: rgba(40, 80, 140, 0.2);
}

.mod.active {
  border-color: rgba(255, 209, 102, 0.75);
  color: #ffeec2;
  background: linear-gradient(160deg, rgba(120, 80, 20, 0.35), rgba(60, 40, 90, 0.3));
  box-shadow: 0 0 20px rgba(255, 190, 80, 0.18), inset 0 0 18px rgba(255, 190, 80, 0.06);
}

.mod.active small { color: rgba(255, 225, 170, 0.6); }

.row-between {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px 6px 8px;
  border-radius: 999px;
  border: 1px solid rgba(120, 190, 255, 0.16);
  background: rgba(255, 255, 255, 0.025);
  color: rgba(195, 222, 255, 0.6);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  cursor: pointer;
  font-family: inherit;
  transition: 0.22s;
}

.toggle i {
  width: 26px;
  height: 14px;
  border-radius: 999px;
  background: rgba(120, 190, 255, 0.18);
  position: relative;
  transition: 0.22s;
}

.toggle i::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(220, 240, 255, 0.7);
  transition: 0.22s;
}

.toggle.on {
  color: #bff2ff;
  border-color: rgba(120, 232, 255, 0.5);
}

.toggle.on i { background: linear-gradient(90deg, #54e6ff, #a06bff); }
.toggle.on i::after { transform: translateX(12px); background: #fff; box-shadow: 0 0 8px #54e6ff; }

.best {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: rgba(170, 205, 245, 0.5);
}

.best b {
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  text-shadow: 0 0 14px rgba(255, 209, 102, 0.4);
}

.primary {
  margin-top: 20px;
  width: 100%;
  padding: 14px 18px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(100deg, #54e6ff, #7c8cff 45%, #a06bff);
  color: #041220;
  font-family: inherit;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.18em;
  cursor: pointer;
  box-shadow: 0 10px 34px rgba(84, 160, 255, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.45);
  transition: 0.22s;
}

.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 44px rgba(84, 200, 255, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.55);
  filter: brightness(1.06);
}

.primary:active { transform: translateY(0) scale(0.99); }

.primary:disabled,
.ghost:disabled {
  opacity: 0.45;
  cursor: default;
  pointer-events: none;
}

.primary span {
  font-size: 9px;
  letter-spacing: 0.16em;
  opacity: 0.5;
  margin-left: 6px;
}

.ghost {
  width: 100%;
  margin-top: 10px;
  padding: 12px 18px;
  border-radius: 14px;
  border: 1px solid rgba(120, 190, 255, 0.2);
  background: rgba(255, 255, 255, 0.02);
  color: rgba(205, 228, 255, 0.72);
  font-family: inherit;
  font-size: 13px;
  letter-spacing: 0.16em;
  cursor: pointer;
  transition: 0.22s;
}

.ghost:hover {
  border-color: rgba(120, 225, 255, 0.5);
  color: #e6f7ff;
  background: rgba(50, 95, 160, 0.2);
}

.hint-row {
  margin-top: 14px;
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: rgba(160, 200, 255, 0.36);
}

.btn-row { display: flex; gap: 10px; }
.btn-row .primary, .btn-row .ghost { margin-top: 14px; }

/* 结算 */
.rank {
  font-size: clamp(72px, 12vw, 104px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

.rank.S { color: var(--gold); text-shadow: 0 0 34px rgba(255, 209, 102, 0.7), 0 0 90px rgba(255, 160, 60, 0.35); }
.rank.A { color: #7fe9ff; text-shadow: 0 0 34px rgba(84, 230, 255, 0.7), 0 0 90px rgba(84, 160, 255, 0.3); }
.rank.B { color: #7dffb0; text-shadow: 0 0 30px rgba(90, 255, 170, 0.55); }
.rank.C { color: #cfe0ff; text-shadow: 0 0 26px rgba(160, 200, 255, 0.45); }
.rank.D { color: var(--red); text-shadow: 0 0 26px rgba(255, 92, 122, 0.5); }

.result-title {
  margin-top: 2px;
  font-size: 15px;
  letter-spacing: 0.4em;
  color: rgba(210, 235, 255, 0.72);
}

.result-rule {
  margin-top: 9px;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: rgba(170, 210, 255, 0.5);
}

.result-stats {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.result-stats > div {
  padding: 12px;
  border-radius: 13px;
  border: 1px solid rgba(120, 190, 255, 0.12);
  background: rgba(255, 255, 255, 0.025);
}

.result-stats label {
  display: block;
  font-size: 9px;
  letter-spacing: 0.24em;
  color: rgba(160, 200, 255, 0.45);
  margin-bottom: 5px;
}

.result-stats b {
  font-size: 19px;
  font-variant-numeric: tabular-nums;
  color: #eaf7ff;
}

#resBest { margin-top: 14px; }

.menu-panel { padding: 20px 28px 12px; }
.menu-panel .group { margin-top: 12px; }
.menu-panel .desc { margin: 8px auto 0; }
.menu-panel .primary { margin-top: 12px; }
.menu-panel .hint-row { margin-top: 8px; }

.nick-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.nick-row .nick-input { flex: 1; min-width: 0; }

.nick-row .ghost {
  width: auto;
  margin-top: 0;
  padding: 0 16px;
  white-space: nowrap;
  flex: 0 0 auto;
}

.nick-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 13px;
  border: 1px solid rgba(120, 190, 255, 0.2);
  background: rgba(4, 10, 24, 0.45);
  color: #eaf6ff;
  font-family: inherit;
  font-size: 16px;
  letter-spacing: 0.12em;
  text-align: center;
  outline: none;
  user-select: text;
  -webkit-user-select: text;
  touch-action: manipulation;
}

.nick-input::placeholder {
  color: rgba(170, 200, 235, 0.35);
  letter-spacing: 0.08em;
}

.nick-input:focus {
  border-color: rgba(120, 232, 255, 0.75);
  box-shadow: 0 0 0 3px rgba(84, 230, 255, 0.08);
}

.save-box { margin-top: 16px; }
.save-box .primary { margin-top: 12px; }

.save-msg {
  min-height: 1.2em;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(190, 215, 245, 0.7);
}

.save-msg.ok { color: var(--gold); }
.save-msg.err { color: #ff8fa3; }

.panel.board-panel {
  width: min(680px, 96vw);
  background: linear-gradient(165deg, rgba(16, 26, 52, 0.98), rgba(5, 9, 20, 0.99));
}

.board-modes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
  justify-content: center;
}

.lb-chip {
  max-width: 100%;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(120, 190, 255, 0.18);
  background: rgba(255, 255, 255, 0.03);
  color: rgba(200, 225, 255, 0.72);
  font-family: inherit;
  font-size: 11px;
  letter-spacing: 0.04em;
  line-height: 1.4;
  cursor: pointer;
  touch-action: manipulation;
}

.lb-chip.active {
  border-color: rgba(120, 232, 255, 0.85);
  color: #e9f8ff;
  box-shadow: 0 0 18px rgba(84, 230, 255, 0.18);
}

.board-list {
  margin-top: 14px;
  max-height: min(46vh, 420px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  border-radius: 14px;
  text-align: left;
  background: rgba(4, 8, 18, 0.72);
}

.board-list::-webkit-scrollbar { width: 6px; }
.board-list::-webkit-scrollbar-thumb { background: rgba(120, 190, 255, 0.25); border-radius: 3px; }

.lb-head,
.lb-row {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  gap: 8px;
  align-items: center;
}

.lb-head {
  padding: 2px 12px 4px;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: rgba(198, 224, 255, 0.78);
}

.lb-row {
  padding: 9px 12px;
  border-radius: 12px;
  border: 1px solid rgba(120, 190, 255, 0.16);
  background: rgba(10, 18, 40, 0.92);
}

.lb-row.top1 { border-color: rgba(255, 209, 102, 0.45); }
.lb-row.top2 { border-color: rgba(180, 220, 255, 0.35); }
.lb-row.top3 { border-color: rgba(196, 160, 255, 0.4); }
.lb-row.mine { box-shadow: inset 0 0 0 1px rgba(120, 232, 255, 0.35); }

.lb-rank {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: rgba(180, 210, 255, 0.7);
}

.lb-row.top1 .lb-rank { color: var(--gold); }
.lb-row.top2 .lb-rank { color: #d5e6ff; }
.lb-row.top3 .lb-rank { color: #e7c9a0; }

.lb-name {
  font-size: 14px;
  letter-spacing: 0.08em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lb-time {
  font-variant-numeric: tabular-nums;
  color: #eaf7ff;
}

.lb-empty {
  padding: 22px 8px;
  text-align: center;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: rgba(180, 210, 255, 0.55);
}

@media (max-width: 760px) {
  .menu-panel .desc { display: none; }
  .options { grid-template-columns: repeat(3, 1fr); }
  .options.two { grid-template-columns: repeat(2, 1fr); }
  .mods { grid-template-columns: repeat(2, 1fr); }
  .opt { padding: 9px 6px; }
  .opt small { display: none; }
  .row-between { flex-direction: column; align-items: flex-start; gap: 10px; }
}

@media (max-height: 700px) {
  .panel { padding: 20px; }
  .desc { display: none; }
  .group { margin-top: 13px; }
  .rank { font-size: 64px; }
}