/* ===== 通用模块样式 - 医疗专业风格 ===== */
.section-title {
  font-size: 0.9rem;
  margin: 12px 0 8px;
  font-weight: 600;
  color: var(--text);
}

.tip-panel {
  margin-top: 0;
  background: var(--bg);
  border-radius: var(--radius);
  padding: 14px;
}

.tip-panel .section-title {
  margin-bottom: 6px;
  margin-top: 0;
}

.card-title {
  font-size: 1rem;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--text);
}

/* operation-card 底色与边框见 main.css */

.round-config-row {
  margin-top: 6px;
}

.progress-text {
  font-size: 0.84rem;
  color: var(--sub-text);
  margin-bottom: 6px;
}

.question-status {
  margin: 8px 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
}

.hint-text {
  margin-top: 6px;
  font-size: 0.78rem;
  color: var(--sub-text);
}

/* ===== 小节按钮网格 ===== */
.subsection-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 8px 0 10px;
}

.subsection-btn {
  text-align: left;
  border: none;
  border-radius: 10px;
  background: var(--ops-bg);
  color: var(--text);
  padding: 12px 14px;
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1.45;
  transition: all 0.18s ease;
}

.subsection-btn:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

.subsection-btn strong {
  display: block;
  font-size: 0.94rem;
  margin-bottom: 2px;
}

.subsection-btn small {
  color: var(--sub-text);
  font-size: 0.78rem;
}

.subsection-btn.active {
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
}

.subsection-detail {
  border-radius: 10px;
  background: var(--bg);
  padding: 12px 14px;
  font-size: 0.84rem;
  color: var(--sub-text);
  line-height: 1.55;
}

.module-a-h4 {
  font-size: 0.9rem;
  margin: 10px 0 6px;
}

.subsection-stats {
  font-size: 0.82rem;
  color: var(--sub-text);
  line-height: 1.55;
}

.module-a-select {
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 8px 10px;
  background: var(--panel);
  min-width: 96px;
  color: var(--text);
}

.module-a-round-label {
  font-size: 0.86rem;
  color: var(--sub-text);
}

.question-visual {
  margin-top: 8px;
}

.question-image {
  display: block;
  width: 100%;
  max-height: 260px;
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid var(--border-light);
  background: var(--panel);
}

.opt-btn.correct {
  border-color: var(--success);
  background: var(--success-soft);
  color: var(--success);
}

.opt-btn.wrong {
  border-color: var(--danger);
  background: var(--danger-soft);
  color: var(--danger);
}
.opt-media-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
}
.opt-media-img {
  width: 100%;
  max-height: 130px;
  object-fit: contain;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background: var(--panel);
}
.opt-media-text {
  display: block;
  width: 100%;
  text-align: center;
  font-size: 0.9rem;
  line-height: 1.35;
  color: var(--text);
}

#trainAlertNext {
  display: none;
}

/* —— A 模块 · 学习页（操作区在右侧 question-card 内） —— */
.learn-key-hint--above-strip {
  margin: 0 0 10px;
}
.learn-key-hint {
  margin: 0;
  font-size: 0.78rem;
  color: var(--sub-text);
  text-align: center;
  line-height: 1.45;
}
.learn-cell--focus {
  box-shadow: 0 0 0 2px rgba(var(--primary-rgb), 0.45);
  border-radius: 14px;
}
.learn-strip {
  display: block;
  margin: 0 0 16px;
}
.learn-grid-4 {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 12px;
}
.learn-single-layout {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.learn-nav-btn {
  align-self: center;
  flex-shrink: 0;
  min-width: 4.5rem;
}
.learn-cell--single {
  flex: 1 1 220px;
  max-width: 380px;
  min-width: 0;
}
.learn-cell--single .learn-img {
  max-height: 140px;
}
.learn-slot-label {
  margin: 0 0 8px;
  font-size: 0.82rem;
  color: var(--sub-text);
  text-align: center;
  width: 100%;
}

.module-a-learn-progress .learn-progress-head {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.45;
}
.module-a-learn-progress .learn-progress-bar-wrap {
  height: 6px;
  border-radius: 4px;
  background: var(--border);
  overflow: hidden;
  margin-bottom: 10px;
}
.module-a-learn-progress .learn-progress-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: var(--primary);
  transition: width 0.25s ease;
}
.module-a-learn-progress .status-item {
  font-size: 0.82rem;
}
.module-a-learn-progress .learn-status-scroll {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: calc(5 * (2.35rem + 2px) + 4 * 6px);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 4px 2px 4px 4px;
  margin-top: 4px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel);
  -webkit-overflow-scrolling: touch;
}
.module-a-learn-progress .learn-status-scroll:focus {
  outline: 2px solid rgba(var(--primary-rgb), 0.30);
  outline-offset: 2px;
}

.module-a-aside-train-body {
  font-size: 0.82rem;
  color: var(--sub-text);
  line-height: 1.55;
}
.module-a-aside-train-body .module-a-train-summary-line {
  margin: 0 0 8px;
}
.module-a-aside-train-body .train-mini-bar-wrap {
  height: 6px;
  border-radius: 4px;
  background: var(--border);
  overflow: hidden;
  margin-top: 2px;
}
.module-a-aside-train-body .train-mini-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: var(--primary);
  transition: width 0.25s ease;
}
.learn-cell {
  border-radius: 14px;
  background: var(--panel);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  padding: 12px 10px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 168px;
}
.learn-media-slot {
  flex: 1;
  width: 100%;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.learn-playing-label {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--primary);
  text-align: center;
  line-height: 1.45;
}
.learn-img {
  max-width: 100%;
  max-height: 96px;
  object-fit: contain;
  border-radius: 8px;
}
.learn-caption {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  color: var(--text);
}
.learn-speaker-btn {
  margin-top: auto;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--primary-soft);
  background: var(--bg);
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
  color: var(--primary);
  font-size: 0.82rem;
  transition: all 0.18s ease;
}
.learn-speaker-btn:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
}
.learn-speaker-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  position: relative;
}
.learn-speaker-icon::after {
  content: "";
  position: absolute;
  left: 10px;
  top: 10px;
  width: 8px;
  height: 10px;
  border-radius: 2px;
  background: #fff;
  box-shadow: 12px -3px 0 -1px #fff, 12px 3px 0 -1px #fff;
}
.learn-operation-footer {
  display: flex;
  justify-content: center;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}
.learn-start-test-btn {
  min-width: 200px;
}
.learn-op-actions {
  margin-top: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.learn-round-step-btn {
  min-width: 2.1rem;
  padding: 6px 10px;
  font-size: 1rem;
  line-height: 1;
}
/* 学习阶段：尚不可开始训练时灰色 + 锁标 */
#startTestFromLearnBtn.btn.primary.learn-start-test--locked {
  background: var(--border);
  border-color: var(--border-light);
  color: var(--sub-text);
  cursor: not-allowed;
  box-shadow: none;
}
#startTestFromLearnBtn.btn.primary.learn-start-test--locked:hover {
  background: var(--border);
  border-color: var(--border-light);
  color: var(--sub-text);
}
#startTestFromLearnBtn.learn-start-test--locked::before {
  content: "";
  display: inline-block;
  width: 1.05em;
  height: 1.05em;
  margin-right: 0.45em;
  vertical-align: -0.16em;
  background-color: currentColor;
  opacity: 0.92;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M17 9h-1V7c0-2.76-2.24-5-5-5S6 4.24 6 7v2H5c-1.1 0-2 .9-2 2v8c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2v-8c0-1.1-.9-2-2-2zm-8-2c0-1.66 1.34-3 3-3s3 1.34 3 3v2H9V7z'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M17 9h-1V7c0-2.76-2.24-5-5-5S6 4.24 6 7v2H5c-1.1 0-2 .9-2 2v8c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2v-8c0-1.1-.9-2-2-2zm-8-2c0-1.66 1.34-3 3-3s3 1.34 3 3v2H9V7z'/%3E%3C/svg%3E");
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
}
.module-a-learn-page .sub-hint {
  color: var(--sub-text);
  font-size: 0.9rem;
}
@media (max-width: 900px) {
  .learn-grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 520px) {
  .learn-grid-4 {
    grid-template-columns: 1fr;
  }
}

/* B 模块顶栏：标题正下方“学习 + 测试”合计进度（整行浅色卡片，易辨认） */
.top .module-b-full-progress {
  margin: 6px 0 2px;
  padding: 12px 14px;
  max-width: 100%;
  background: var(--bg);
  border-radius: var(--radius);
}
.top .module-b-full-progress-text {
  display: block;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 8px;
}
.top .module-b-full-progress-bar {
  height: 12px;
  border-radius: 999px;
  background: var(--border);
  overflow: hidden;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.06);
}
.top .module-b-full-progress-fill {
  height: 100%;
  border-radius: inherit;
  width: 0%;
  background: var(--primary);
}

/* ===== 新版测试流：有/无 + 空白题 ===== */
.module-a-blank-hint {
  margin-left: 8px;
  font-size: 0.78rem;
}

.module-a-question-stage {
  position: relative;
  min-height: 200px;
  padding: 12px 0;
}

.module-a-play-row {
  display: flex;
  justify-content: center;
  margin: 16px 0;
}

.module-a-play-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 160px;
  justify-content: center;
}

.module-a-presence-options {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin: 20px 0 8px;
}

.module-a-presence-btn {
  min-width: 120px;
  min-height: 52px;
  font-size: 1.15rem;
  font-weight: 600;
  border-radius: 12px;
  border: 2px solid var(--border);
  background: var(--ops-bg);
  color: var(--text);
  transition: all 0.18s ease;
}

.module-a-presence-btn:hover:not(:disabled) {
  border-color: var(--primary);
  background: var(--primary-soft);
  color: var(--primary);
}

.module-a-presence-btn.selected {
  border-color: var(--primary);
  background: var(--primary-soft);
  color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-soft);
}

/* —— 答对/答错全屏遮罩（风格对齐首页圆环庆祝） —— */
body.module-a-feedback-open {
  overflow: hidden;
}

.module-a-feedback-overlay {
  position: fixed;
  inset: 0;
  z-index: 25000;
  display: none;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.module-a-feedback-overlay.is-active {
  display: flex;
  pointer-events: auto;
}

.module-a-feedback-backdrop {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at center,
    rgba(18, 28, 44, 0.42) 0%,
    rgba(10, 16, 28, 0.72) 100%
  );
  backdrop-filter: blur(4px);
  animation: module-a-feedback-backdrop-in 0.35s ease forwards;
}

@keyframes module-a-feedback-backdrop-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.module-a-feedback-confetti {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.module-a-feedback-confetti-piece {
  position: absolute;
  top: -12px;
  left: var(--x, 50%);
  width: 10px;
  height: 16px;
  border-radius: 2px;
  opacity: 0;
  transform: translateX(0) rotate(var(--rot, 0deg));
  animation: module-a-feedback-confetti-fall var(--dur, 2.4s) cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: var(--delay, 0s);
}

@keyframes module-a-feedback-confetti-fall {
  0% {
    opacity: 0;
    transform: translate3d(0, -20px, 0) rotate(var(--rot, 0deg)) scale(0.5);
  }
  12% { opacity: 1; }
  100% {
    opacity: 0;
    transform: translate3d(var(--drift, 0px), 110vh, 0) rotate(calc(var(--rot, 0deg) + 540deg)) scale(1);
  }
}

.module-a-feedback-fireworks {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.module-a-feedback-firework-burst {
  position: absolute;
  left: var(--x, 50%);
  top: var(--y, 40%);
  width: 12px;
  height: 12px;
  margin: -6px 0 0 -6px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    hsla(var(--hue, 0), 90%, 68%, 0.95) 0%,
    hsla(var(--hue, 0), 85%, 58%, 0.45) 35%,
    transparent 68%
  );
  opacity: 0;
  transform: scale(0.2);
  animation: module-a-feedback-firework-pop 1.1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: var(--delay, 0s);
}

.module-a-feedback-firework-burst::before,
.module-a-feedback-firework-burst::after {
  content: "";
  position: absolute;
  inset: -18px;
  border-radius: 50%;
  border: 2px solid hsla(var(--hue, 0), 88%, 62%, 0.55);
  opacity: 0;
  animation: module-a-feedback-firework-ring 1.1s ease-out forwards;
  animation-delay: var(--delay, 0s);
}

.module-a-feedback-firework-burst::after {
  inset: -32px;
  animation-delay: calc(var(--delay, 0s) + 0.08s);
}

@keyframes module-a-feedback-firework-pop {
  0% { opacity: 0; transform: scale(0.15); }
  25% { opacity: 1; transform: scale(2.6); }
  100% { opacity: 0; transform: scale(4.5); }
}

@keyframes module-a-feedback-firework-ring {
  0% { opacity: 0; transform: scale(0.3); }
  30% { opacity: 0.85; }
  100% { opacity: 0; transform: scale(1.4); }
}

.module-a-feedback-stage {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 24px 28px 18px;
  text-align: center;
  max-width: min(92vw, 420px);
  animation: module-a-feedback-stage-in 0.55s cubic-bezier(0.22, 1.2, 0.36, 1) forwards;
}

@keyframes module-a-feedback-stage-in {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.92);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.module-a-feedback-crow {
  display: flex;
  justify-content: center;
  width: 100%;
}

.module-a-feedback-crow-gif {
  display: block;
  width: min(320px, 72vw);
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.25));
}

.module-a-feedback-title {
  margin: 0;
  font-size: clamp(1.35rem, 5vw, 1.75rem);
  font-weight: 700;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

.module-a-feedback-sub {
  margin: 0;
  font-size: clamp(0.88rem, 3.6vw, 1rem);
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.5;
}

.module-a-feedback-next {
  min-width: 140px;
  margin-top: 4px;
}

.module-a-feedback-overlay.is-success .module-a-feedback-sub {
  color: rgba(255, 255, 255, 0.9);
}

.module-a-feedback-overlay.is-fail .module-a-feedback-sub {
  color: rgba(255, 220, 220, 0.92);
}

.module-a-reveal-panel {
  text-align: center;
  margin: 16px 0 8px;
  padding: 16px;
  border-radius: 12px;
  background: var(--bg);
}

.module-a-reveal-panel--wrong {
  background: color-mix(in srgb, var(--warn, #c0392b) 8%, var(--bg));
}

.module-a-reveal-img {
  max-width: min(320px, 100%);
  max-height: 240px;
  object-fit: contain;
  border-radius: 10px;
  margin: 0 auto 12px;
  display: block;
}

.module-a-reveal-label {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--text);
}

/* —— 移动端三阶段：开局选择 / 训练中 / 学习情况（桌面端不受影响） —— */
.module-a-mobile-phase-nav {
  display: none;
}

.module-a-training-context {
  margin: 4px 0 0;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.45;
}

@media (max-width: 960px) {
  body.has-mobile-bottom-nav .module-a-mobile-phase-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 8px 0 4px;
  }

  body.has-mobile-bottom-nav .module-a-phase-btn {
    flex: 1 1 auto;
    min-width: 0;
    min-height: 40px;
    padding: 8px 14px;
    font-size: 0.88rem;
    font-weight: 600;
    border-radius: 12px;
    border: 1px solid rgba(106, 141, 189, 0.28);
    background: #fff;
    color: var(--primary);
    box-shadow: 0 2px 8px rgba(106, 141, 189, 0.1);
  }

  body.has-mobile-bottom-nav .module-a-phase-btn.is-active {
    background: var(--primary-soft);
    border-color: var(--primary);
  }

  body.has-mobile-bottom-nav[data-module-a-phase="training"] .module-a-mobile-phase-nav,
  body.has-mobile-bottom-nav[data-module-a-phase="training"] #subHint,
  body.has-mobile-bottom-nav[data-module-a-phase="training"] .pretest-global-notice,
  body.has-mobile-bottom-nav[data-module-a-phase="training"] .module-a-header-progress {
    display: none !important;
  }

  body.has-mobile-bottom-nav[data-module-a-phase="training"] .module-a-training-context {
    display: block !important;
  }

  body.has-mobile-bottom-nav[data-module-a-phase="setup"] .module-a-mobile-records-only,
  body.has-mobile-bottom-nav[data-module-a-phase="training"] #moduleAPanel,
  body.has-mobile-bottom-nav[data-module-a-phase="training"] .module-a-mobile-setup-only {
    display: none !important;
  }

  body.has-mobile-bottom-nav[data-module-a-phase="records"] .module-a-mobile-setup-only,
  body.has-mobile-bottom-nav[data-module-a-phase="records"] #moduleAOperationPanel {
    display: none !important;
  }

  body.has-mobile-bottom-nav[data-module-a-phase="training"] #moduleAOperationPanel {
    padding: 0;
    background: transparent;
    box-shadow: none;
  }

  body.has-mobile-bottom-nav[data-module-a-phase="training"] .module-a-operation-card {
    margin: 0;
    padding: 12px 12px calc(12px + env(safe-area-inset-bottom));
    min-height: calc(100dvh - var(--mobile-topbar-height, 56px) - var(--mobile-nav-height, 78px) - 88px);
    display: flex;
    flex-direction: column;
  }

  body.has-mobile-bottom-nav[data-module-a-phase="training"] .module-a-operation-card .card-title {
    display: none;
  }

  body.has-mobile-bottom-nav[data-module-a-phase="training"] #sessionArea {
    flex: 1 1 auto;
    display: flex !important;
    flex-direction: column;
    min-height: 0;
  }

  body.has-mobile-bottom-nav[data-module-a-phase="training"] .module-a-question-stage {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 140px;
  }

  body.has-mobile-bottom-nav[data-module-a-phase="training"] .actions-row {
    position: sticky;
    bottom: 0;
    z-index: 3;
    margin-top: auto;
    padding: 10px 0 4px;
    background: linear-gradient(to top, var(--panel) 72%, transparent);
  }

  body.has-mobile-bottom-nav[data-module-a-phase="training"] .module-a-presence-btn {
    min-width: min(42vw, 148px);
    min-height: 56px;
  }

  body.has-mobile-bottom-nav[data-module-a-phase="training"] .module-a-play-btn {
    min-width: min(72vw, 220px);
    min-height: 52px;
  }

  body.has-mobile-bottom-nav[data-module-a-phase="setup"] #subHint {
    font-size: 0.82rem;
  }
}

.volume-recommend-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.volume-recommend-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  background: var(--bg);
  font-size: 0.84rem;
}

.volume-recommend-dist {
  font-weight: 600;
  color: var(--text);
}

.volume-recommend-pct {
  color: var(--primary-muted);
  white-space: nowrap;
}