/* ============================================================
   辟谣实验室（模块样式）
   ============================================================ */

/* ============================================================
   2. 辟谣实验室
   ============================================================ */
.rumor-hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.session-panel {
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.session-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-3);
  white-space: nowrap;
}

.session-meta b {
  color: var(--text);
  font-size: 14px;
}

.session-panel .progress {
  flex: 1;
  min-width: 140px;
}

.streak-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 99px;
  background: rgba(255, 200, 87, 0.1);
  border: 1px solid rgba(255, 200, 87, 0.25);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
}

.streak-badge.is-hot {
  animation: pulseGlow 1.3s ease-in-out infinite;
}

.rumor-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

/* 社交媒体风格谣言帖 */
.post {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(16, 33, 58, 0.8), rgba(7, 16, 30, 0.85));
  padding: 20px 22px;
  overflow: hidden;
}

.post::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--red), rgba(255, 107, 107, 0.1));
}

.post-top {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 12px;
}

.avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 19px;
  flex-shrink: 0;
  background: linear-gradient(135deg, #ff8a8a, #b23a3a);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08) inset;
}

.post-meta {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.post-meta b {
  font-size: 13.5px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
}

.post-meta span {
  font-size: 11px;
  color: var(--text-3);
  font-family: var(--font-mono);
}

.post-text {
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.75;
  color: var(--text);
  letter-spacing: 0.01em;
}

.post-foot {
  display: flex;
  gap: 22px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 11.5px;
  color: var(--text-3);
  font-family: var(--font-mono);
}

.post-foot span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.rumer-tag {
  margin-top: 14px;
  padding: 9px 12px;
  border-radius: 8px;
  background: rgba(255, 107, 107, 0.06);
  border: 1px dashed rgba(255, 107, 107, 0.25);
  font-size: 11.5px;
  color: #ffb3b3;
  display: flex;
  align-items: center;
  gap: 7px;
}

/* 作答区 */
.answer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin: 4px 2px 0;
}

.answer-head h3 {
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.answer-head .answer-hint {
  font-size: 11.5px;
  color: var(--text-3);
}

.answer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.answer-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  min-height: 132px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-2);
  background: linear-gradient(160deg, rgba(17, 36, 63, 0.9), rgba(8, 18, 34, 0.9));
  color: var(--text);
  text-align: left;
  cursor: grab;
  transition: border-color 0.2s, transform 0.2s var(--ease-out), box-shadow 0.2s, opacity 0.2s, background 0.2s;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
  font-family: inherit;
  font-size: 13.5px;
  line-height: 1.65;
}

.answer-card:hover {
  border-color: var(--line-3);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.answer-card .answer-letter {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(56, 225, 255, 0.1);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.answer-card .answer-text {
  color: var(--text-2);
}

.answer-card .answer-state {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  opacity: 0;
  transform: scale(0.6);
  transition: all 0.25s var(--ease-spring);
}

.answer-card .answer-state svg { width: 13px; height: 13px; }

.answer-card.is-selected {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(56, 225, 255, 0.12);
}

.answer-card.is-correct {
  border-color: rgba(62, 240, 162, 0.65);
  background: linear-gradient(160deg, rgba(16, 56, 42, 0.85), rgba(8, 26, 20, 0.9));
}

.answer-card.is-correct .answer-letter {
  background: rgba(62, 240, 162, 0.16);
  color: var(--green);
}

.answer-card.is-correct .answer-state {
  opacity: 1;
  transform: scale(1);
  background: var(--green);
  color: #04140d;
}

.answer-card.is-wrong {
  border-color: rgba(255, 107, 107, 0.6);
  background: linear-gradient(160deg, rgba(58, 20, 24, 0.8), rgba(28, 10, 14, 0.9));
}

.answer-card.is-wrong .answer-letter {
  background: rgba(255, 107, 107, 0.16);
  color: var(--red);
}

.answer-card.is-wrong .answer-state {
  opacity: 1;
  transform: scale(1);
  background: var(--red);
  color: #1a0505;
}

.answer-card.is-dimmed {
  opacity: 0.4;
}

.answer-card.is-locked {
  cursor: default;
  pointer-events: none;
}

/* 拖放区 */
.answer-drop {
  margin-top: 12px;
  padding: 13px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-size: 12.5px;
  color: var(--text-3);
  border-radius: var(--r-md);
}

.answer-drop svg { width: 16px; height: 16px; color: var(--cyan); opacity: 0.7; }

.answer-drop.is-over {
  color: var(--cyan);
}

/* 结果面板 */
.result-panel {
  border: 1px solid var(--line-2);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(13, 30, 52, 0.9), rgba(6, 14, 26, 0.92));
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  animation: fadeUp 0.45s var(--ease-out) both;
}

.result-panel.is-success { border-color: rgba(62, 240, 162, 0.35); }
.result-panel.is-fail { border-color: rgba(255, 107, 107, 0.32); }

.verdict-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.verdict-stamp {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  transform: rotate(-2deg);
  border: 2px solid currentColor;
}

.verdict-stamp.ok { color: var(--green); background: rgba(62, 240, 162, 0.08); }
.verdict-stamp.bad { color: var(--red); background: rgba(255, 107, 107, 0.08); }

.verdict-row h3 {
  font-size: 19px;
  font-weight: 800;
}

.result-panel .truth-line {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  padding-left: 14px;
  border-left: 2px solid var(--green);
}

.result-panel.is-fail .truth-line {
  border-left-color: var(--amber);
}

.explain-text {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-2);
}

.fact-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 14px;
  border-radius: 10px;
  background: rgba(56, 225, 255, 0.07);
  border: 1px solid rgba(56, 225, 255, 0.2);
  width: fit-content;
  max-width: 100%;
}

.fact-chip .fact-label {
  font-size: 11.5px;
  color: var(--text-3);
}

.fact-chip .fact-value {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--cyan);
  font-size: 13px;
}

.result-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.result-actions .spacer { flex: 1; }

/* 会话总结 */
.summary-hero {
  text-align: center;
  padding: 8px 0 18px;
}

.summary-hero .summary-score {
  font-family: var(--font-mono);
  font-size: 52px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(120deg, var(--cyan), var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.summary-hero .summary-label {
  font-size: 12px;
  color: var(--text-3);
  letter-spacing: 0.16em;
  font-family: var(--font-mono);
  margin-top: 8px;
}

.summary-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 16px;
}

.summary-stats .kpi { align-items: center; text-align: center; }

/* ---------- 辟谣响应式 ---------- */
@media (max-width: 860px) {
  .answer-grid {
    grid-template-columns: 1fr;
    gap: 9px;
  }

  .answer-card {
    min-height: 0;
    flex-direction: row;
    align-items: flex-start;
    padding: 13px 14px;
    gap: 11px;
  }

  .answer-card .answer-text {
    font-size: 13px;
    padding-right: 20px;
  }
}

@media (max-width: 720px) {
  .summary-stats { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .session-panel { gap: 10px; }
  .session-panel .progress { order: 5; flex-basis: 100%; }
}