/* 双任务挑战 · 样式（.g-dualtask 前缀） */

.g-dualtask {
  padding-left: 12px;
  padding-right: 12px;
  gap: 8px;
}
.g-dualtask .dt-stage {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  width: 100%;
}

/* ---------------- 初始界面 ---------------- */
.g-dualtask .dt-idle {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 9px;
  padding: 20px 16px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 80% at 50% -10%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 62%),
    linear-gradient(165deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  text-align: center;
  overflow-y: auto;
}
.g-dualtask .dt-idle-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 20px;
  font-size: 32px;
  font-weight: 900;
  color: #0b2812;
  background: linear-gradient(150deg, var(--accent), var(--accent2));
  box-shadow: 0 12px 30px -12px var(--accent), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}
.g-dualtask .dt-idle-title { font-size: 21px; font-weight: 800; }
.g-dualtask .dt-idle-desc {
  font-size: 12px;
  line-height: 1.6;
  color: var(--dim);
  max-width: 30em;
  margin: 0 auto;
}
.g-dualtask .dt-rules { display: flex; flex-direction: column; gap: 7px; text-align: left; }
.g-dualtask .dt-rule-item {
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--dim);
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 12px;
  padding: 8px 11px;
}
.g-dualtask .dt-rule-item b {
  display: block;
  font-size: 11.5px;
  color: var(--accent);
  margin-bottom: 2px;
}
.g-dualtask .dt-best { font-size: 11.5px; color: var(--faint); }
.g-dualtask .dt-resume { margin-top: 0; }

/* ---------------- 进行中 ---------------- */
.g-dualtask .dt-play {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.g-dualtask .stat-v.low { color: var(--err); animation: dtPulse 0.9s ease-in-out infinite; }
@keyframes dtPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}
.g-dualtask .dt-progress { height: 6px; flex: none; }
.g-dualtask .dt-progress > i { transition: width 0.12s linear; }

.g-dualtask .dt-tasks {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  overflow: hidden;
}
.g-dualtask .dt-panel {
  position: relative;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 8px 34px;
}
.g-dualtask .dt-panel.dt-right {
  border-left: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent 60%);
}
.g-dualtask .dt-panel-h {
  position: absolute;
  top: 10px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--faint);
  letter-spacing: 0.04em;
  flex: none;
}
.g-dualtask .dt-panel-h b { color: var(--dim); font-weight: 700; }

/* 左任务 */
.g-dualtask .dt-lamp {
  width: clamp(104px, 30vw, 140px);
  aspect-ratio: 1;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--line-2);
  background:
    radial-gradient(circle at 36% 30%, rgba(255, 255, 255, 0.08), transparent 50%),
    radial-gradient(circle at 50% 60%, #1a2230, #0b0f17 74%);
  box-shadow: inset 0 3px 18px rgba(0, 0, 0, 0.6);
  transition: background 0.1s ease, box-shadow 0.14s ease, border-color 0.14s ease, transform 0.1s ease;
  flex: none;
}
.g-dualtask .dt-lamp-t {
  font-size: clamp(22px, 6.4vw, 30px);
  font-weight: 900;
  color: var(--faint);
  line-height: 1;
}
.g-dualtask .dt-lamp.green {
  background: radial-gradient(circle at 36% 28%, #ffffff, #d8ffdf 20%, var(--accent) 54%, #22a04b 100%);
  border-color: rgba(255, 255, 255, 0.55);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 14%, transparent), 0 0 44px 4px color-mix(in srgb, var(--accent) 50%, transparent);
  transform: scale(1.04);
}
.g-dualtask .dt-lamp.green .dt-lamp-t { color: #0a2a16; }
.g-dualtask .dt-lamp.red {
  background: radial-gradient(circle at 36% 28%, #ffe1e4, #ff9aa3 24%, var(--err) 58%, #8f1f2b 100%);
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 0 0 6px rgba(255, 92, 108, 0.13), 0 0 40px 4px rgba(255, 92, 108, 0.38);
  transform: scale(1.03);
}
.g-dualtask .dt-lamp.red .dt-lamp-t { color: #3a0a10; }
.g-dualtask .dt-lamp.fb { border-color: rgba(255, 255, 255, 0.2); }
.g-dualtask .dt-lt { width: 100%; height: 5px; flex: none; }
.g-dualtask .dt-lt > i { transition: width 0.08s linear; }
.g-dualtask .dt-task-state {
  font-size: 11px;
  line-height: 1.35;
  color: var(--dim);
  min-height: 15px;
  text-align: center;
}
.g-dualtask .dt-left-btn {
  width: 100%;
  height: 56px;
  min-height: 48px;
  border-radius: 13px;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 26%, transparent), color-mix(in srgb, var(--accent) 12%, transparent));
  color: var(--text);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-indent: 0.16em;
  touch-action: manipulation;
  transition: transform 0.08s ease, background 0.14s ease;
  flex: none;
}
.g-dualtask .dt-left-btn:active { transform: scale(0.96); background: color-mix(in srgb, var(--accent) 32%, transparent); }
.g-dualtask .dt-mini {
  position: absolute;
  left: 6px;
  right: 6px;
  bottom: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 5px;
}
.g-dualtask .dt-mini-item {
  font-size: 10px;
  color: var(--faint);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 7px;
  font-variant-numeric: tabular-nums;
}

/* 右任务 */
.g-dualtask .dt-prompt {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px;
  min-height: 30px;
  flex: none;
}
.g-dualtask .dt-arrow { font-size: 11px; color: var(--faint); }
.g-dualtask .dt-seq-num {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--dim);
  background: var(--surface);
  border: 1px solid var(--line);
  transition: background 0.14s, color 0.14s, border-color 0.14s, transform 0.14s;
}
.g-dualtask .dt-seq-num.now {
  color: #071d10;
  background: linear-gradient(160deg, var(--accent), var(--accent2));
  border-color: transparent;
  transform: scale(1.08);
  box-shadow: 0 0 14px -4px var(--accent);
}
.g-dualtask .dt-seq-num.done { color: var(--faint); opacity: 0.45; }

.g-dualtask .dt-numpad {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  width: 100%;
  flex: none;
}
.g-dualtask .dt-num {
  height: clamp(58px, 8.8vh, 74px);
  min-height: 48px;
  border-radius: 13px;
  border: 1px solid var(--line-2);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04));
  color: var(--text);
  font-size: 24px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  touch-action: manipulation;
  transition: transform 0.08s ease, background 0.14s ease, border-color 0.14s ease;
}
.g-dualtask .dt-num:active { transform: scale(0.94); background: var(--surface-3); }
.g-dualtask .dt-num.bad {
  border-color: rgba(255, 92, 108, 0.9);
  background: rgba(255, 92, 108, 0.2);
  animation: dtShake 0.28s ease;
}
@keyframes dtShake {
  0%, 100% { transform: translateX(0); }
  30% { transform: translateX(-3px); }
  70% { transform: translateX(3px); }
}
.g-dualtask .dt-hint { text-align: center; font-size: 10.5px; flex: none; }

/* ---------------- 结算 ---------------- */
.g-dualtask .dt-result {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 16px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background:
    radial-gradient(110% 70% at 50% 0%, color-mix(in srgb, var(--accent) 15%, transparent), transparent 60%),
    linear-gradient(165deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  text-align: center;
  overflow-y: auto;
}
.g-dualtask .dt-result-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--dim);
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  padding: 4px 12px;
}
.g-dualtask .dt-result-badge.record {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  box-shadow: 0 0 20px -8px var(--accent);
}
.g-dualtask .dt-result-k { font-size: 11.5px; color: var(--faint); }
.g-dualtask .dt-result-score { display: flex; align-items: baseline; gap: 4px; margin-top: -2px; }
.g-dualtask .dt-score-n {
  font-size: 60px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(130deg, #dcffe4, var(--accent) 55%, var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  filter: drop-shadow(0 8px 20px color-mix(in srgb, var(--accent) 30%, transparent));
}
.g-dualtask .dt-score-k { font-size: 14px; color: var(--faint); }
.g-dualtask .dt-result-best { font-size: 11px; color: var(--faint); }
.g-dualtask .dt-result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
  width: 100%;
}
.g-dualtask .dt-result-grid .stat { background: rgba(255, 255, 255, 0.04); padding: 8px 5px; }
.g-dualtask .dt-result-grid .stat-v { font-size: 15px; }
.g-dualtask .dt-result-actions { display: flex; gap: 8px; width: 100%; margin-top: 2px; }
.g-dualtask .dt-result-actions .btn { flex: 1; min-height: 46px; }

@media (max-height: 700px) {
  .g-dualtask .dt-idle-icon { width: 52px; height: 52px; font-size: 26px; border-radius: 16px; }
  .g-dualtask .dt-play { gap: 6px; }
  .g-dualtask .dt-tasks { border-radius: 16px; }
  .g-dualtask .dt-lamp { width: clamp(84px, 24vw, 108px); }
  .g-dualtask .dt-left-btn { height: 48px; min-height: 44px; }
  .g-dualtask .dt-num { height: 52px; min-height: 46px; font-size: 21px; }
  .g-dualtask .dt-hint { display: none; }
  .g-dualtask .dt-score-n { font-size: 50px; }
  .g-dualtask .dt-panel { gap: 6px; padding: 8px 6px; }
}

@media (max-width: 380px) {
  .g-dualtask .dt-prompt { gap: 2px; }
  .g-dualtask .dt-seq-num { width: 22px; height: 22px; font-size: 12px; border-radius: 7px; }
  .g-dualtask .dt-arrow { font-size: 10px; }
}