/* ══ Energy Infusion Test Modal ══ */

#energy-overlay {
  position: fixed;
  inset: 0;
  background: var(--modal-overlay-bg);
  backdrop-filter: var(--modal-overlay-blur);
  -webkit-backdrop-filter: var(--modal-overlay-blur);
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
#energy-overlay.on {
  opacity: 1;
  pointer-events: auto;
}

#energy-modal {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, calc(-50% + 2px)) scale(var(--modal-enter-scale));
  width: min(420px, calc(100vw - 32px));
  max-height: calc(100vh - 80px);
  background: var(--task-surface-gradient);
  /* 去掉外框金色 halo：考试场景需要"聚焦认知"而非"奖励氛围"，金色留给 CTA 独占 */
  border: var(--modal-border);
  border-radius: var(--modal-radius);
  box-shadow: var(--task-panel-shadow);
  z-index: 10001;
  opacity: 0;
  pointer-events: none;
  transition: var(--modal-transition);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
#energy-modal.open {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, -50%) scale(1);
}

/* 进度条 */
#energy-progress {
  position: relative;
  height: 2px;
  background: var(--surface-2);
  overflow: visible;
  flex-shrink: 0;
}
#energy-progress-bar {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  background: var(--progress-fill-gradient);
  box-shadow: var(--progress-fill-glow);
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
#energy-progress-text {
  position: absolute;
  top: 12px;
  right: 44px;
  font-size: 11px;
  font-family: "SF Mono", monospace;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
}
#energy-close-btn {
  position: absolute;
  top: 6px;
  right: 10px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-disabled);
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
  padding: 0;
}
#energy-close-btn:hover {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.06);
}

#energy-content {
  padding: var(--space-6) var(--modal-pad-x) var(--modal-body-pad-bottom);
  overflow-y: auto;
}

/* ── 题目页 ── */
.energy-question {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.energy-label {
  font-size: 12px;
  color: var(--text-tertiary);
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.energy-retry-badge {
  display: inline-block;
  font-size: 10px;
  padding: 2px var(--space-2);
  border-radius: var(--radius-1);
  /* 琥珀橙 — retry 是警示/提醒，不是奖励。和金色品牌色区分，补上色板里缺失的警告色位 */
  background: var(--warning-bg-soft);
  color: var(--warning);
  border: 1px solid var(--warning-border);
  letter-spacing: 0.05em;
}

.energy-def {
  font-size: 17px;
  line-height: 1.55;
  color: var(--text-primary);
  padding: var(--space-4) var(--space-4);
  background: var(--surface-1);
  border-left: 2px solid var(--theme-color, var(--accent));
  border-radius: var(--radius-1);
  min-height: 56px;
  font-family: var(--serif);
}

.energy-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.energy-option {
  min-height: 52px;
  padding: 14px var(--space-3);
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-1);
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.15s, background 0.2s, border-color 0.2s, color 0.2s;
  text-align: center;
  word-break: break-word;
}
.energy-option:hover:not(:disabled) {
  /* 中性白 hover —— 让"选对→绿" 和 "选错→红" 的奖惩对比更强，而非所有选项都带金色暗示 */
  background: var(--surface-3);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}
.energy-option:active:not(:disabled) { transform: scale(0.97); }
.energy-option:disabled {
  cursor: default;
  opacity: var(--button-disabled-opacity);
}

.energy-option.correct {
  background: var(--success-bg-soft);
  border-color: var(--success-border);
  color: var(--success-text);
  opacity: 1;
  animation: energyPulseGreen 0.6s ease;
}
.energy-option.wrong {
  background: var(--danger-bg-soft);
  border-color: var(--danger-border);
  color: var(--danger-text);
  opacity: 1;
  animation: energyShake 0.45s ease;
}

@keyframes energyPulseGreen {
  0%, 100% { box-shadow: 0 0 0 0 rgba(var(--success-rgb), 0); }
  50% { box-shadow: var(--success-pulse-ring); }
}
@keyframes energyShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.energy-feedback {
  min-height: 1px;
}
.energy-feedback-ok {
  font-size: 14px;
  color: var(--success-text);
  text-align: center;
  padding: 8px 0;
  letter-spacing: 0.04em;
}
.energy-feedback-no {
  font-size: 14px;
  color: var(--danger-text);
  padding: 12px 14px;
  text-align: left;
  background: var(--danger-bg-soft);
  border: 1px solid var(--danger-border);
  border-radius: var(--radius-1);
  line-height: 1.45;
}
.energy-feedback-no strong { color: var(--danger-text-soft); font-weight: 600; }

.energy-formula {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  /* 词根公式随 theme 走 —— 不同组考试视觉上有区分，和同模态 .energy-def 的 border-left 一致 */
  background: var(--surface-1);
  border-left: 2px solid var(--theme-color, var(--accent));
  padding: 10px 14px;
  border-radius: 4px;
  margin-top: 8px;
  font-family: var(--serif);
}

.energy-next-btn,
.energy-done-btn {
  margin-top: 14px;
  width: 100%;
  min-height: var(--button-height-md);
  padding: 0 var(--button-pad-x);
  background: rgba(var(--ctrl-rgb), 0.10);
  border: 1px solid rgba(var(--ctrl-rgb), 0.18);
  border-radius: var(--button-radius);
  color: var(--text-cool-primary);
  font-size: var(--button-font-size);
  letter-spacing: var(--button-letter-spacing);
  cursor: pointer;
  transition: var(--button-transition);
}
.energy-next-btn:hover,
.energy-done-btn:hover {
  background: rgba(var(--ctrl-rgb), 0.17);
  border-color: rgba(var(--ctrl-rgb), 0.30);
  box-shadow: none;
}
.energy-next-btn:active,
.energy-done-btn:active { transform: scale(var(--button-press-scale)); }
.energy-next-btn:disabled,
.energy-done-btn:disabled {
  opacity: var(--button-disabled-opacity);
  cursor: not-allowed;
  transform: none;
}

/* ── 总结页 ── */
.energy-summary {
  text-align: center;
  padding: 12px 0 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
/* iOS Achievement Badge 风格：圆形容器 + 内光晕 + 图标保持最佳尺寸 */
.energy-medal {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  /* 颜色通过 JS 内联 style 传入：--mc（主色）、--mg（光晕色） */
  background: radial-gradient(circle at 38% 32%, color-mix(in srgb, var(--mc) 28%, transparent) 0%, transparent 65%),
              linear-gradient(145deg, color-mix(in srgb, var(--mc) 18%, transparent), color-mix(in srgb, var(--mc) 7%, transparent));
  border: 1px solid color-mix(in srgb, var(--mc) 45%, transparent);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--mc) 12%, transparent),
    0 0 28px var(--mg),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
  animation: energyMedalIn 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}
.energy-medal svg {
  width: 30px;
  height: 30px;
  display: block;
  color: var(--mc);
  stroke-width: 1.75;
  filter: drop-shadow(0 0 6px var(--mg));
}
@keyframes energyMedalIn {
  from { transform: scale(0.3) rotate(-18deg); opacity: 0; }
  to   { transform: scale(1) rotate(0); opacity: 1; }
}
.energy-summary-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--mc, var(--accent-text-bright));
  font-family: var(--serif);
  text-shadow: 0 0 20px var(--mg, rgba(var(--accent-rgb),0.4));
}
.energy-summary-score {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  font-family: "SF Mono", monospace;
  letter-spacing: 0.05em;
}
.energy-summary-hint {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* ── 词卡顶部能量小药丸 ── */
#bs-energy-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 500;
  padding: 2px var(--space-2);
  border-radius: var(--radius-pill);
  background: rgba(var(--ctrl-rgb), 0.12);
  color: rgba(226, 238, 255, 0.92);
  border: 1px solid rgba(var(--ctrl-rgb), 0.20);
  letter-spacing: 0.06em;
  font-family: var(--mono);
  line-height: 1.2;
  white-space: nowrap;
  flex-shrink: 0;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
}

/* 小屏适配 */
@media (max-width: 360px) {
  .energy-def { font-size: 15px; padding: 12px 14px; }
  .energy-option { min-height: 48px; font-size: 14px; padding: 12px 8px; }
  #energy-content { padding: 30px 18px 22px; }
}

/* ══ Anonymous Sync Banner (Tier 2) ══ */
#anon-sync-banner {
  position: fixed;
  left: 50%;
  bottom: calc(16px + env(safe-area-inset-bottom, 0));
  transform: translate(-50%, 140%);
  z-index: 9500;
  width: min(520px, calc(100vw - 24px));
  background: var(--elevated-gradient);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  box-shadow: var(--tooltip-shadow), 0 0 18px rgba(255, 255, 255, 0.035);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease;
}
#anon-sync-banner.on {
  transform: translate(-50%, 0);
  opacity: 1;
  pointer-events: auto;
}

.asb-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 10px 10px 14px;
}

.asb-icon {
  color: rgba(255, 255, 255, 0.62);
  flex-shrink: 0;
}

.asb-text {
  flex: 1;
  font-size: 13px;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.asb-cta {
  flex-shrink: 0;
  padding: 6px 14px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.asb-cta:hover { background: rgba(255, 255, 255, 0.13); }
.asb-cta:active { transform: scale(0.96); }

.asb-close {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}
.asb-close:hover { color: var(--text-on-dark); background: var(--surface-2); }

@media (max-width: 380px) {
  .asb-text { font-size: 12px; }
  .asb-cta { padding: 5px 10px; font-size: 11px; }
}

/* ══ 词根推断题：三段胶囊公式卡 ══ */
.energy-root-q .energy-kind-tag {
  display: inline-flex; align-items: center; gap: 5px;
  color: color-mix(in srgb, var(--theme-color, var(--accent)) 85%, #fff 15%);
  letter-spacing: 0.04em;
  font-weight: 500;
}
.energy-kind-tag .ekt-icon {
  width: 13px; height: 13px;
  flex-shrink: 0;
  vertical-align: middle;
  position: relative; top: -0.5px;
}

.energy-root-head {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  margin: 4px 0 16px;
  flex-wrap: wrap;
}
.energy-root-head .erh-word {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.01em;
}
.energy-root-head .erh-zh {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 400;
  color: var(--text-tertiary);
}

.energy-formula-capsules {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  gap: 8px;
  margin: 4px auto 14px;
  max-width: 100%;
}
.energy-formula-capsules .capsule {
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.35;
  color: var(--text-secondary);
  text-align: center;
  max-width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
  /* 与能量条同款内高光 */
  box-shadow: var(--panel-shadow-inset);
}
.energy-formula-capsules .capsule-morph {
  font-weight: 500;
  color: var(--text-primary);
}
.energy-formula-capsules .capsule-imagery {
  font-style: italic;
  color: color-mix(in srgb, var(--text-primary) 70%, transparent);
}
.energy-formula-capsules .capsule-meaning {
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}
.energy-formula-capsules .capsule-blank {
  background: color-mix(in srgb, var(--theme-color, var(--accent)) 14%, transparent);
  border-color: color-mix(in srgb, var(--theme-color, var(--accent)) 55%, transparent);
  border-style: dashed;
  min-width: 60px;
  min-height: 40px;
}
.capsule-blank .capsule-q {
  font-size: 18px;
  font-weight: 700;
  color: color-mix(in srgb, var(--theme-color, var(--accent)) 90%, #fff 10%);
}
.energy-formula-capsules .capsule-filled {
  background: color-mix(in srgb, var(--theme-color, var(--accent)) 20%, transparent);
  border-color: color-mix(in srgb, var(--theme-color, var(--accent)) 65%, transparent);
  border-style: solid;
  color: var(--text-primary);
  animation: capsuleFill 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes capsuleFill {
  0% { transform: scale(0.94); opacity: 0.6; }
  60% { transform: scale(1.04); }
  100% { transform: scale(1); opacity: 1; }
}
.energy-formula-capsules .capsule-arrow {
  font-family: var(--mono);
  color: var(--text-muted);
  font-size: 14px;
  user-select: none;
  align-self: center;
}

.energy-root-q .energy-prompt {
  text-align: center;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--text-tertiary);
  margin: 4px 0 14px;
  letter-spacing: 0.02em;
}

/* T2 同根兄弟词选项：双行，单词 + 中文 */
.energy-opt-word {
  display: flex !important;
  flex-direction: column;
  align-items: flex-start !important;
  gap: 3px;
  text-align: left !important;
}
.energy-opt-word .energy-opt-id {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
}
.energy-opt-word .energy-opt-zh {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 400;
}

/* T1 / T3 的长文本选项，限制换行 */
.energy-opt-morph,
.energy-opt-imagery {
  font-family: var(--mono) !important;
  font-size: 13px !important;
  line-height: 1.4 !important;
  white-space: normal !important;
  word-break: break-word;
}
.energy-opt-imagery {
  font-style: italic;
}

@media (max-width: 599px) {
  .energy-formula-capsules { gap: 6px; }
  .energy-formula-capsules .capsule {
    padding: 8px 10px;
    font-size: 12px;
    border-radius: 10px;
  }
  .energy-formula-capsules .capsule-blank {
    min-width: 50px;
    min-height: 34px;
  }
  .capsule-blank .capsule-q { font-size: 16px; }
  .energy-root-head .erh-word { font-size: 19px; }
  .energy-opt-morph,
  .energy-opt-imagery { font-size: 12px !important; }
}