.ex-wrap { padding-bottom: 80px; }
.ex-head { padding: 56px 0 28px; max-width: 760px; }
.ex-head h1 { font-size: 36px; letter-spacing: -0.03em; }
.ex-controls { display: grid; gap: 14px; margin-bottom: 24px; }
#q { width: 100%; font: inherit; font-size: 17px; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--r); background: var(--paper); }
#q:focus { outline: none; border-color: var(--brand-mid); box-shadow: 0 0 0 3px rgba(53,79,117,.16); }
.ex-types { display: flex; flex-wrap: wrap; gap: 8px; }
.ex-types button { font: inherit; font-size: 13px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--paper); color: var(--ink-2); cursor: pointer; }
.ex-types button.on { background: var(--brand); border-color: var(--brand); color: #fff; }
.ex-count { font-size: 13px; color: var(--ink-3); }
.ex-body { display: grid; grid-template-columns: minmax(0, 380px) minmax(0, 1fr); gap: 24px; align-items: start; }
.ex-list { list-style: none; border: 1px solid var(--line); border-radius: var(--r); background: var(--paper); max-height: 70vh; overflow: auto; }
.ex-list li button { width: 100%; text-align: left; font: inherit; background: none; border: 0; border-bottom: 1px solid var(--line-soft); padding: 12px 16px; cursor: pointer; display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; }
.ex-list li:last-child button { border-bottom: 0; }
.ex-list li button:hover, .ex-list li.on button { background: var(--sky); }
.ex-list .nm { font-weight: 600; color: var(--ink); font-size: 15px; }
.ex-list .ty { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--brand-mid); font-weight: 600; align-self: center; }
.ex-list .sc { grid-column: 1 / -1; font-size: 12px; color: var(--ink-4); }
.ex-detail { border: 1px solid var(--line); border-radius: var(--r); background: var(--paper); padding: 28px 32px; min-height: 300px; position: sticky; top: 84px; }
.ex-empty { color: var(--ink-4); }
.ex-detail .ty { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--brand-mid); font-weight: 600; }
.ex-detail h2 { margin-top: 6px; font-size: 26px; letter-spacing: -0.02em; }
.ex-detail .grp { margin-top: 4px; color: var(--ink-3); font-size: 14px; }
.ex-detail h3 { margin-top: 22px; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-4); }
.ex-detail p { margin-top: 8px; color: var(--ink-2); font-size: 15px; line-height: 1.55; }
.ex-detail .fix { color: var(--ok); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chips button, .chips span { font: inherit; font-size: 13px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); cursor: pointer; }
.chips button:hover { border-color: var(--brand-mid); color: var(--brand); }
.chips span { cursor: default; color: var(--ink-3); }
.ex-detail ol { margin-top: 8px; padding-left: 20px; color: var(--ink-2); font-size: 14.5px; line-height: 1.5; display: grid; gap: 6px; }
.ex-detail .srcs a { display: block; font-size: 13px; margin-top: 6px; }
.ex-actions { margin-top: 22px; display: flex; gap: 10px; flex-wrap: wrap; }
@media (max-width: 900px) { .ex-body { grid-template-columns: 1fr; } .ex-detail { position: static; } .ex-head h1 { font-size: 28px; } }