/* ---------------- Exercices d'entraînement (assets/js/exercises.js) ---------------- */

.ex-notice {
  margin: 0 0 14px; padding: 12px 16px; border-radius: var(--radius-sm);
  background: var(--warn-bg); border: 1px solid var(--warn-border); color: var(--warn-text);
  font-size: 13px; line-height: 1.55;
}

.ex-summary {
  display: flex; align-items: center; gap: 16px; margin: 4px 0 16px; padding: 16px 20px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-card-sm);
}
.ex-summary-text { display: flex; flex-direction: column; gap: 3px; font-size: 13px; color: var(--text-muted); }
.ex-summary-text strong { font-size: 15px; color: var(--text); }

.ex-filters { margin-bottom: 16px; }
.ex-list { display: flex; flex-direction: column; gap: 12px; }

.ex-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card-sm); overflow: hidden;
  border-left: 5px solid var(--border-strong);
}
.ex-card[data-status="ok"] { border-left-color: var(--success); }
.ex-card[data-status="todo"] { border-left-color: var(--danger-border); }
.ex-card[open] { box-shadow: var(--shadow-card); }

.ex-head {
  display: flex; align-items: center; gap: 14px; padding: 16px 20px; cursor: pointer; list-style: none;
}
.ex-head::-webkit-details-marker { display: none; }
.ex-head:hover .ex-title { color: var(--blue); }
.ex-head:focus-visible { outline: 2px solid var(--blue); outline-offset: -2px; }
.ex-emoji { font-size: 26px; line-height: 1; flex-shrink: 0; }
.ex-title { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; font-size: 15px; font-weight: 700; color: var(--text); }
.ex-num { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; color: var(--text-soft); }
.ex-tags { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.ex-tag, .ex-pill {
  font-size: 11.5px; font-weight: 700; padding: 4px 10px; border-radius: 999px; white-space: nowrap;
  background: var(--bg); color: var(--text-muted); border: 1px solid var(--border);
}
.ex-pill-ok { background: var(--success-soft); color: var(--success); border-color: transparent; }
.ex-pill-todo { background: var(--danger-soft); color: var(--danger); border-color: transparent; }

.ex-body { padding: 4px 22px 20px; border-top: 1px solid var(--border); }
.ex-context { font-size: 14.5px; line-height: 1.65; color: var(--text); margin: 14px 0 0; }

.ex-table-wrap { overflow-x: auto; margin: 14px 0 4px; }
.ex-table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
.ex-table th, .ex-table td { padding: 8px 12px; border: 1px solid var(--border-strong); text-align: left; vertical-align: top; }
.ex-table th { background: var(--accent-soft); color: var(--text); font-weight: 700; }

.ex-question { margin-top: 18px; padding-top: 14px; border-top: 1px dashed var(--border-strong); }
.ex-q { font-size: 14.5px; font-weight: 600; line-height: 1.6; color: var(--text); margin: 0 0 10px; }
.ex-answer {
  margin-top: 12px; padding: 14px 18px; border-radius: 12px;
  background: var(--success-soft); border: 1px solid var(--success);
}
.ex-steps { margin: 0 0 10px; padding-left: 20px; font-size: 13.5px; line-height: 1.65; color: var(--text); }
.ex-steps li + li { margin-top: 4px; }
.ex-result { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; font-size: 15px; font-weight: 800; color: var(--text); }
.ex-result-label { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; color: var(--success); }

.ex-rules { margin-top: 18px; padding: 12px 16px; border-radius: 12px; background: var(--accent-soft); }
.ex-rules-title { font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted); margin-bottom: 6px; }
.ex-rules ul { margin: 0; padding-left: 18px; font-size: 13.5px; line-height: 1.6; }

.ex-source { font-size: 12px; color: var(--text-soft); margin: 14px 0; }
.ex-assess { justify-content: flex-start; flex-wrap: wrap; margin-bottom: 8px; }

@media (max-width: 640px) {
  .ex-head { flex-wrap: wrap; padding: 14px 16px; }
  .ex-tags { width: 100%; justify-content: flex-start; }
  .ex-body { padding: 4px 16px 18px; }
}

@media print {
  .ex-filters, .ex-assess, .ex-summary, .ex-question .btn, .report-link { display: none !important; }
  .ex-card { break-inside: avoid; }
  .ex-answer[hidden] { display: block !important; }
}
.ex-answer .v-board { margin-bottom: 12px; }