/* Quiz */
.quiz-wrap { max-width: 900px; }
.quiz-modes { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.mode-card { text-align: left; font: inherit; color: inherit; cursor: pointer; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 28px 24px; display: grid; gap: 10px; align-content: start; transition: transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s, border-color .25s; }
.mode-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--brand); }
.mode-card .m-ico { font-size: 2.4rem; line-height: 1; }
.mode-card h2 { font-size: 1.4rem; margin: 4px 0 0; }
.mode-card p { color: var(--muted); margin: 0; }
.m-foot { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.pill.best { background: color-mix(in srgb, var(--ok) 16%, transparent); color: var(--ok); border-color: transparent; }

.q-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: .92rem; color: var(--muted); margin-bottom: 10px; }
.q-head .link-btn { font: inherit; border: 0; background: transparent; color: var(--brand); cursor: pointer; padding: 0; }
.q-progress { height: 8px; border-radius: 99px; background: var(--line); overflow: hidden; margin-bottom: 22px; }
.q-progress span { display: block; height: 100%; background: linear-gradient(90deg, var(--html), var(--css), var(--js)); border-radius: 99px; transition: width .4s; }
.q-card { background: var(--surface); border: 1px solid var(--line); border-radius: 24px; padding: clamp(20px, 4vw, 36px); box-shadow: var(--shadow-sm); }
.q-title { font-size: clamp(1.25rem, 2.6vw, 1.7rem); line-height: 1.25; margin-bottom: 20px; }
.q-card .stage { margin-bottom: 22px; min-height: 260px; }
.opts { display: grid; gap: 10px; grid-template-columns: 1fr 1fr; }
.opts.concept { grid-template-columns: 1fr; }
.opts.prompt { grid-template-columns: 1fr; }
.opt { display: flex; align-items: flex-start; gap: 14px; text-align: left; font: inherit; font-weight: 600; color: var(--ink); background: var(--bg); border: 2px solid var(--line); border-radius: 14px; padding: 14px 16px; cursor: pointer; transition: border-color .15s, transform .15s, background .15s; }
.opt:hover:not(:disabled) { border-color: var(--brand); transform: translateX(3px); }
.opt .key { flex: none; width: 28px; height: 28px; border-radius: 8px; background: var(--bg-2); display: grid; place-items: center; font: 700 .8rem var(--mono); color: var(--muted); }
.opt:disabled { cursor: default; opacity: .75; }
.opt.right { border-color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, var(--surface)); opacity: 1; }
.opt.right .key { background: var(--ok); color: #fff; }
.opt.wrong { border-color: var(--danger); background: color-mix(in srgb, var(--danger) 10%, var(--surface)); opacity: 1; }
.opt.wrong .key { background: var(--danger); color: #fff; }
.opt.prompt { font-weight: 500; line-height: 1.5; }
@media (max-width: 600px) { .opts { grid-template-columns: 1fr; } }
.q-feedback { margin-top: 20px; padding: 18px 20px; border-radius: 14px; animation: fb-in .3s; }
@keyframes fb-in { from { opacity: 0; transform: translateY(8px); } }
.q-feedback.ok { background: color-mix(in srgb, var(--ok) 12%, var(--surface)); border: 1px solid color-mix(in srgb, var(--ok) 40%, transparent); }
.q-feedback.ko { background: color-mix(in srgb, var(--danger) 9%, var(--surface)); border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent); }
.fb-title { font-weight: 800; font-size: 1.1rem; margin-bottom: 4px; }
.q-feedback p { margin-bottom: 10px; }
.fb-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: space-between; align-items: center; margin-top: 8px; }

.q-card.result { text-align: center; display: grid; gap: 16px; justify-items: center; }
.ring { --p: 0; width: 160px; height: 160px; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--brand) calc(var(--p) * 1%), var(--line) 0); position: relative; }
.ring::before { content: ""; position: absolute; inset: 14px; border-radius: 50%; background: var(--surface); }
.ring span { position: relative; font-size: 1.2rem; color: var(--muted); } .ring b { font-size: 2.8rem; color: var(--ink); letter-spacing: -.04em; }
.wrong-list { width: 100%; text-align: left; display: grid; gap: 8px; margin-top: 8px; }
.wrong-list h3 { margin: 0 0 4px; }
.wrong-list a { display: grid; gap: 2px; text-decoration: none; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-left: 4px solid var(--danger); border-radius: 10px; padding: 12px 14px; transition: .15s; }
.wrong-list a:hover { border-color: var(--brand); border-left-color: var(--brand); transform: translateX(3px); }
.wrong-list a span { font-size: .88rem; color: var(--muted); font-weight: 400; }