.ex-opts { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; margin-top: 12px; font-size: .88rem; color: var(--c-cbd5e1); }
.ex-opts select, #ex-title { background: var(--c-0f1117); color: var(--c-e2e8f0); border: 1.5px solid var(--c-2d3548); border-radius: 8px;
                             padding: 7px 10px; font-size: .88rem; font-family: inherit; outline: none; }
#ex-title { flex: 1; min-width: 140px; }
.ex-types { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.ex-type-group { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.ex-type-hd { min-width: 5.5em; font-size: .78rem; color: var(--c-94a3b8); }
.ex-say { font-size: .8rem !important; padding: 0 6px !important; margin-right: 6px; vertical-align: middle; }
.ex-choices { font-weight: 400; letter-spacing: 0; line-height: 1.8; }
.ex-bar { display: flex; gap: 14px; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.ex-sec { margin-top: 14px; }
.ex-sec h3 { font-size: 1rem; color: var(--c-f8fafc); margin-bottom: 6px; }
.ex-sec h3 small { font-size: .78rem; color: var(--c-94a3b8); font-weight: 400; margin-left: 10px; }
.ex-bank { background: var(--c-1e2330); border: 1px dashed var(--c-7dd3fc); border-radius: 8px; padding: 8px 12px; margin: 6px 0 10px;
           color: var(--c-7dd3fc); font-weight: 600; letter-spacing: .05em; }
.ex-sec ol { padding-left: 1.6em; }
.ex-sec li { margin: 10px 0; line-height: 1.8; }
.ex-opts-row { display: flex; gap: 18px; flex-wrap: wrap; color: var(--c-cbd5e1); }
.ex-answer { display: none; font-size: .82rem; color: var(--c-4ade80); }
.show-ans .ex-answer { display: block; }
.show-ans .ex-right { color: var(--c-4ade80); font-weight: 700; }
.ex-review { font-size: .85rem; margin: 4px 0 8px; }
.ex-review.ok { color: var(--c-4ade80); } .ex-review.warn { color: var(--c-fbbf24); }
.ex-stem [contenteditable], .ex-opt [contenteditable], .ex-cloze-ans [contenteditable] { outline: none; border-radius: 4px; padding: 0 3px; }
.ex-stem [contenteditable]:focus, .ex-opt [contenteditable]:focus, .ex-cloze-ans [contenteditable]:focus { background: var(--c-0f1117); box-shadow: 0 0 0 1px var(--c-2563eb); }
.ex-opt { display: inline-flex; align-items: center; gap: 4px; cursor: pointer; }
.ex-opt input { margin: 0; }
.ex-cloze-ans { font-size: .85rem; color: var(--c-94a3b8); }
.ex-qbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 4px; }
.ex-qbar button { font-size: .72rem; padding: 2px 8px; }
.ex-status { font-size: .75rem; margin-right: auto; }
.ex-status.ok { color: var(--c-4ade80); } .ex-status.warn { color: var(--c-fbbf24); }