/* VYSHKA Academy — витрина разборов /cases. Поверх signal.css + academy.css (.lesson-content). */

.case-list{display:flex;flex-direction:column;gap:16px;max-width:820px;margin:0 auto}
.case-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.case-item>summary{cursor:pointer;list-style:none;padding:20px 22px;font-weight:700;font-size:1.12rem;line-height:1.3;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.case-item>summary::-webkit-details-marker{display:none}
.case-item>summary::after{content:"+";margin-left:auto;color:var(--accent);font-size:22px;font-weight:700;line-height:1}
.case-item[open]>summary::after{content:"–"}
.case-item>summary:hover{color:var(--accent)}
.case-num{display:inline-flex;align-items:center;background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:700;border-radius:var(--r-pill);padding:3px 10px;white-space:nowrap}
.case-body{padding:0 22px 22px;border-top:1px solid var(--border);margin-top:2px}
.case-body>*:first-child{margin-top:18px}