/* Interactive study guide: reuse site colors and typography in both themes. */
[data-africa-study] [hidden], [data-africa-quiz] [hidden] { display: none !important; }
.practice-jumps, .practice-controls { display: flex; flex-wrap: wrap; gap: 12px; }
.practice-jumps a { padding: 12px 16px; border: 1px solid var(--line-strong); border-radius: 12px; color: var(--text-strong); }
.study-dashboard, .practice-panel { background: var(--surface); border: 1px solid var(--line-strong); border-radius: 20px; padding: clamp(20px, 4vw, 36px); margin-block: 24px; }
.study-dashboard label { color: var(--muted); }
#study-count { color: var(--text-strong); font-size: 2rem; margin-block: 8px; }
.study-dashboard progress { width: min(100%, 480px); height: 14px; accent-color: var(--accent); margin-bottom: 20px; }
[data-storage-note], .practice-note, [data-best-score] { color: var(--muted); font-size: .95rem; line-height: 1.7; }
.study-region { border-bottom: 1px solid var(--line); padding-block: 18px; }
.study-region summary, .paper-practice summary { cursor: pointer; font-weight: 600; padding: 12px 4px; color: var(--text-strong); }
[data-region-count] { display: inline-block; margin-left: 12px; color: var(--muted); font-size: .9rem; font-weight: 400; }
.study-pairs { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px 24px; }
.study-pairs li { padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.study-pairs label { display: flex; align-items: center; gap: 12px; cursor: pointer; color: var(--text-strong); min-height: 32px; }
.study-pairs input, .practice-options input { accent-color: var(--accent); flex-shrink: 0; width: 20px; height: 20px; }
.study-capital { display: block; margin: 8px 0 0 32px; color: var(--muted); line-height: 1.6; }
.capitals-hidden .study-pairs li { min-height: 74px; }
.practice-panel { max-width: 880px; }
.practice-panel fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.practice-panel legend { padding: 0; color: var(--text-strong); font-size: clamp(1.5rem, 3vw, 2.25rem); line-height: 1.2; margin-bottom: 24px; font-weight: 600; }
.practice-options { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.practice-options label { display: flex; align-items: center; gap: 12px; padding: 18px; border: 1px solid var(--line-strong); border-radius: 12px; color: var(--text-strong); cursor: pointer; overflow-wrap: anywhere; }
.practice-options label:has(input:checked) { background: var(--surface-soft); outline: 2px solid var(--accent); }
.practice-feedback { min-height: 2em; margin-block: 24px; line-height: 1.7; }
[data-missed-list] { line-height: 1.8; padding-left: 24px; }
[data-result-title] { font-size: 2rem; line-height: 1.2; }
.paper-practice { max-width: 880px; margin-block: 24px; border-top: 1px solid var(--line); }
.paper-practice ol { padding-left: 24px; }
.paper-practice li { padding: 8px; }
.practice-controls .button { white-space: normal; }
#regions, #practice-quiz, #tricky-capitals, #guide { scroll-margin-top: 100px; }
@media (max-width: 640px) { .study-pairs, .practice-options { grid-template-columns: 1fr; } .practice-controls .button { width: 100%; } }
@media print { .practice-controls, [data-quiz-ui], [data-reset-confirm] { display: none !important; } .study-pairs { grid-template-columns: repeat(2,minmax(0,1fr)); } }
#tricky-capitals .content-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
#tricky-capitals .feature-card { grid-column: auto; min-width: 0; overflow-wrap: anywhere; }
#tricky-capitals .feature-card:last-child { grid-column: 1 / -1; }
@media (max-width: 640px) { #tricky-capitals .content-columns { grid-template-columns: minmax(0, 1fr); } }