/* ============================================
   LESSON 5 — SPECIFIC STYLES
   Numbers in Context
   ============================================ */

/* ── Question List ── */
.l5-qlist {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 8px;
}

.l5-qrow {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.l5-qnum {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gold);
  min-width: 20px;
  padding-top: 6px;
}

.l5-qlabel {
  flex: 1;
  font-size: 1rem;
  color: var(--text);
  line-height: 1.6;
  padding-top: 4px;
}

.l5-qinput {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  color: var(--text-muted);
  font-size: 1rem;
}

/* ── Text Inputs ── */
.l5-inp {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 1rem;
  padding: 6px 10px;
  width: 90px;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
.l5-inp:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,.15);
}
.l5-inp-wide { width: 160px; }

/* ── MCQ Buttons ── */
.l5-mcq-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.l5-mcq-opt {
  background: var(--bg-card-2);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
  padding: 8px 20px;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.l5-mcq-opt:hover:not(:disabled) { border-color: var(--gold); }
.l5-opt-sel     { border-color: var(--gold); background: rgba(201,168,76,.12); }
.l5-opt-correct { border-color: var(--success) !important; background: rgba(72,199,116,.15) !important; color: var(--success) !important; }
.l5-opt-wrong   { border-color: var(--error)   !important; background: rgba(255,100,100,.12) !important; color: var(--error)   !important; }

/* ── Answer State ── */
.l5-correct {
  border-color: var(--success) !important;
  background: rgba(72,199,116,.12) !important;
  color: var(--success) !important;
}
.l5-wrong {
  border-color: var(--error) !important;
  background: rgba(255,100,100,.1) !important;
  color: var(--error) !important;
}

/* ── Shake Animation ── */
@keyframes l5shake {
  0%,100% { transform: translateX(0); }
  20%      { transform: translateX(-6px); }
  40%      { transform: translateX(6px); }
  60%      { transform: translateX(-4px); }
  80%      { transform: translateX(4px); }
}
.l5-shake { animation: l5shake .42s ease; }

/* ── Task 2 Layout ── */
.l5-t2row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.l5-t2fields {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  flex: 1;
}

.l5-t2cell {
  display: flex;
  align-items: center;
  gap: 6px;
}

.l5-t2arrow {
  color: var(--text-muted);
  font-size: 1rem;
}

.l5-prefix {
  color: var(--text-muted);
  font-size: 1rem;
}

/* ── Explanation Cards ── */
.l5-exp-card {
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 10px;
}

.l5-exp-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.l5-exp-num {
  font-weight: 700;
  color: var(--gold);
  min-width: 18px;
}

.l5-exp-ans {
  font-weight: 600;
  color: var(--success);
  font-size: 1rem;
}

.l5-exp-not {
  font-size: .97rem;
  color: var(--error);
  opacity: .85;
}

.l5-exp-why {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ── Question Block (wraps row + script + exp) ── */
.l5-qblock {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.l5-qmain {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.l5-qhead {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* ── Script Button & Box ── */
.l5-script-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-muted);
  font-size: 1rem;
  padding: 3px 10px;
  cursor: pointer;
  transition: border-color .2s, color .2s;
  white-space: nowrap;
  flex-shrink: 0;
}
.l5-script-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.l5-script-box {
  background: #1a1a1a;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: .97rem;
  line-height: 1.7;
  color: var(--text-muted);
  font-family: 'Courier New', monospace;
  margin-top: 6px;
}
.l5-script-box strong {
  color: var(--gold);
}

/* ── Inline Explanation Rows ── */
.l5-exp-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-top: 8px;
  font-size: .97rem;
  line-height: 1.6;
}

.l5-exp-ok {
  background: rgba(72,199,116,.08);
  border: 1px solid rgba(72,199,116,.25);
}

.l5-exp-err {
  background: rgba(255,100,100,.07);
  border: 1px solid rgba(255,100,100,.22);
}

.l5-exp-check {
  color: var(--success);
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.l5-exp-cross {
  color: var(--error);
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.l5-exp-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.l5-exp-ans {
  font-weight: 700;
  color: var(--success);
  font-size: 1rem;
}

.l5-exp-correct-lbl {
  color: var(--error);
  font-size: 1rem;
}

.l5-exp-correct-lbl strong {
  color: var(--text);
}

.l5-exp-note {
  color: var(--text-muted);
  font-size: .97rem;
}

.l5-dist-section {
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.l5-dist-header {
  font-size: 1rem;
  color: var(--text-muted);
  opacity: .8;
  margin-bottom: 3px;
  display: block;
}

.l5-dist-row {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 1rem;
}

.l5-dist-num {
  color: var(--error);
  font-weight: 600;
  white-space: nowrap;
  min-width: 60px;
}

.l5-dist-arrow {
  color: var(--text-muted);
  flex-shrink: 0;
}

.l5-dist-why {
  color: var(--text-muted);
}

/* ── Study Tip ── */
.l5-tip-alert {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: rgba(201,168,76,.08);
  border: 1px solid rgba(201,168,76,.3);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 20px;
}

.l5-tip-rules {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.l5-tr-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 16px;
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.l5-tr-icon {
  color: var(--success);
  font-size: 1.25rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.l5-tr-title {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  font-size: 1rem;
}

.l5-tr-body {
  font-size: .97rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}