.course-paragraph{line-height:1.9;margin:18px 0}.ex-body ol{padding-left:24px}.ex-body li{margin:12px 0;line-height:1.8}
.course-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.course-fields .field:has(textarea),.course-input-help{grid-column:1/-1}
.course-fields textarea{font-family:var(--fm);line-height:1.6;padding:12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);max-width:100%;min-width:0;resize:vertical}
.course-fields input,.course-fields textarea,.calc-body select{min-width:0;width:100%;color:var(--ink)}
.calc-body>label{font-weight:600}.course-output{overflow-wrap:anywhere}.course-output h4{font-size:17px;line-height:1.8;color:var(--accent)}.course-output ol{padding-left:22px}.course-output li{margin:12px 0;line-height:1.8}
.course-input-help{font-size:12px;color:var(--muted);line-height:1.7}.course-table{overflow:auto;max-width:100%;margin:18px 0;max-height:380px;border:1px solid var(--line);border-radius:8px}
.course-table table{border-collapse:collapse;min-width:100%;font-family:var(--fm);font-size:12px}.course-table th,.course-table td{padding:9px 12px;white-space:nowrap;border-bottom:1px solid var(--line);text-align:right}.course-table th{background:var(--surface-2);position:sticky;top:0}.course-table:focus-visible{outline:3px solid var(--accent)}
.course-feedback{margin:14px 0;padding:12px;border-left:3px solid var(--accent);line-height:1.8}.course-feedback:empty{display:none}.course-feedback.error{border-color:var(--err);background:var(--err-soft);color:var(--ink)}.course-feedback.success{border-color:var(--ok);background:var(--ok-soft)}
.course-actions{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}.exam-counter{color:var(--muted);margin:16px 0}.exam-body h3{margin:18px 0;line-height:1.7}.exam-body label{display:block;line-height:1.8}
.learning-guide select{display:block;width:100%;margin:10px 0}.learning-guide pre{max-width:100%;overflow:auto;font-size:12px}.quiz-result{font-weight:600;margin:20px 0}.qhead{line-height:1.7}
#save-status{font-size:12px;color:var(--warn);padding:0 20px}#save-status:empty{display:none}.study-resource>input{display:block;max-width:100%;margin:18px 0}.study-resource>label{display:block;margin-top:18px}
@media(max-width:600px){.course-fields{grid-template-columns:minmax(0,1fr)}.course-actions .qbtn{width:100%}.course-table th,.course-table td{padding:8px}.course-output h4{font-size:15px}.course-fields .cbtn{width:100%}}

.calc-body>select{padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font-size:15px;min-height:44px}
.table-help{font:12px var(--fb,sans-serif);line-height:1.7;padding:8px 12px;color:var(--muted);position:sticky;left:0;max-width:100%;white-space:normal}
.course-output .module-chart{margin:18px 0}.study-resource a{overflow-wrap:anywhere}

.course-table .field-table{table-layout:fixed;width:100%;min-width:100%}.course-table .field-table th,.course-table .field-table td{white-space:normal;overflow-wrap:anywhere;text-align:left;width:50%}

/* Same mathematical renderer, type size, panels and responsive grid as module 1. */
.course-equations{min-width:0;max-width:100%;margin:8px 0}
.course-equation{max-width:100%;overflow-x:auto;overflow-y:hidden;padding:4px 0}
.course-equation .katex-display{margin:.65em 0;padding:4px 0;overflow:visible}
.lesson-content .ex-body>.course-equations{margin:18px 0}
#formulas>.formula-grid{margin-top:22px}
#formulas .formula-grid .course-equations{color:var(--ink)}

.equation-scroll-hint{display:block;font-size:11px;color:var(--muted);margin:0 0 10px}.course-equation:focus-visible{outline:2px solid var(--accent);outline-offset:2px}