/* Ticket #7（06）：压力测试答题界面 —— 深空终端风格，无循环动画 */

.t06-root { max-width: 860px; margin: 0 auto; }

.t06-loading { color: var(--ark-text-dim); }

/* ---------- 阶段一：范围选择 ---------- */
.t06-start-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 560px;
  margin: 12px auto 0;
}

.t06-sub-title {
  font-size: 14px;
  margin: 6px 0 0;
  color: var(--ark-text);
  letter-spacing: 1px;
}

.t06-scope-select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--ark-border);
  border-radius: 0;
  background: var(--ark-bg-card);
  color: var(--ark-text);
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.t06-scope-select:focus {
  outline: none;
  border-color: var(--ark-accent);
}

.t06-count-row { display: flex; gap: 8px; flex-wrap: wrap; }

.t06-count-btn {
  min-width: 52px;
  padding: 6px 0;
  border: 1px solid var(--ark-border);
  border-radius: 0;
  background: var(--ark-bg-card);
  color: var(--ark-text-dim);
  font-family: "DSEG7", monospace;
  font-size: 15px;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.t06-count-btn.selected {
  border-color: var(--ark-accent);
  color: var(--ark-accent);
  box-shadow: 0 0 8px var(--ark-accent);
}

.t06-primary-btn {
  align-self: center;
  margin-top: 10px;
  padding: 9px 34px;
  border: 1px solid #3b5b8f;
  border-radius: 0;
  background: linear-gradient(180deg, #1a2b4a, #0d1526);
  color: #9fd0ff;
  font-family: inherit;
  font-size: 15px;
  cursor: pointer;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.15s ease;
}

.t06-primary-btn:hover {
  border-color: #7fb7ff;
  box-shadow: 0 0 10px rgba(80, 140, 255, 0.45);
}

.t06-primary-btn:active { transform: scale(0.97); }
.t06-primary-btn:disabled { opacity: 0.6; cursor: default; box-shadow: none; }

/* ---------- 阶段二：答题 ---------- */
.t06-quiz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 2px 10px;
}

.t06-scope-tag { color: var(--ark-text-dim); font-size: 13px; }
.t06-progress { color: var(--ark-accent); font-size: 13px; }

.t06-question-list { display: flex; flex-direction: column; gap: 14px; }

.t06-qcard {
  background: var(--ark-bg-panel);
  border: 1px solid var(--ark-border);
  border-radius: 0;
  padding: 14px 16px;
}

.t06-stem { margin: 0 0 12px; font-size: 15px; line-height: 1.7; }
.t06-qnum { color: var(--ark-gold); font-weight: 700; }

.t06-options { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.t06-option {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid var(--ark-border);
  border-radius: 0;
  background: var(--ark-bg-card);
  color: var(--ark-text);
  font-family: inherit;
  font-size: 14px;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.t06-option:hover { border-color: #4a5a86; }

.t06-option.selected {
  border-color: var(--ark-accent);
  background: #16243f;
  box-shadow: 0 0 6px var(--ark-glow-strong);
}

.t06-opt-key {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  line-height: 20px;
  text-align: center;
  border: 1px solid var(--ark-border);
  border-radius: 50%;
  font-size: 12px;
  color: var(--ark-text-dim);
}

.t06-option.selected .t06-opt-key {
  border-color: var(--ark-accent);
  color: var(--ark-accent);
}

.t06-submit-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  padding: 18px 0 6px;
}

/* ---------- 阶段三：结果页 ---------- */
.t06-result-summary { text-align: center; margin: 8px 0 18px; }

.t06-score-line {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 14px;
}

.t06-score { font-size: 42px; color: var(--ark-gold); }

.t06-ratio { font-size: 20px; color: var(--ark-accent); }

.t06-reward-line { margin: 6px 0 2px; color: var(--ark-text); font-size: 15px; }

.t06-verdict { margin: 6px 0 0; color: var(--ark-text-dim); font-size: 13px; }

.t06-detail-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }

.t06-dcard {
  background: var(--ark-bg-panel);
  border: 1px solid var(--ark-border);
  border-left-width: 4px;
  border-radius: 0;
  padding: 10px 14px;
}

.t06-dcard--ok { border-left-color: var(--ark-ok); }
.t06-dcard--bad { border-left-color: var(--ark-danger); }

.t06-dhead {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
}

.t06-dbadge {
  flex: 0 0 auto;
  padding: 1px 8px;
  border-radius: 0;
  font-size: 12px;
}

.t06-dcard--ok .t06-dbadge {
  color: var(--ark-ok);
  border: 1px solid rgba(111, 227, 161, 0.5);
}

.t06-dcard--bad .t06-dbadge {
  color: var(--ark-danger);
  border: 1px solid rgba(255, 93, 93, 0.5);
}

.t06-dans { margin: 8px 0 4px; font-size: 13px; color: var(--ark-text-dim); }
.t06-ans-ok { color: var(--ark-ok); }
.t06-ans-bad { color: var(--ark-danger); }
.t06-ans-correct { color: var(--ark-gold); }

.t06-explanation {
  margin: 4px 0 0;
  padding: 8px 10px;
  background: rgba(10, 14, 26, 0.55);
  border-radius: 0;
  font-size: 13px;
  color: var(--ark-text-dim);
  line-height: 1.7;
}

.t06-exp-label { color: var(--ark-accent); }

.t06-again-bar { display: flex; justify-content: center; padding-bottom: 8px; }

/* 窄屏：选项单列 */
@media (max-width: 640px) {
  .t06-options { grid-template-columns: 1fr; }
}