.pair-study{background:var(--surface,#fff);border:1px solid var(--line,#e2dbef);border-radius:24px;padding:clamp(18px,3vw,30px);color:var(--text,#201736);min-width:0}
.pair-study h2,.pair-study h3,.pair-study h4,.pair-study p{margin-top:0}.pair-study h2{font-family:var(--display,Georgia,serif);font-size:clamp(24px,3vw,32px);margin-bottom:0}.pair-study h3{font-size:21px;line-height:1.3}.pair-study .eyebrow{font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:750;color:#694794;margin-bottom:7px}
.pair-heading,.pair-round-top,.pair-round-meta,.pair-invite{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}.pair-intro{margin:12px 0 16px;max-width:68ch;color:var(--muted,#665976);font-size:14px}.pair-badge{font-size:11px;font-weight:700;color:#604084;background:#f2eafb;border-radius:99px;padding:6px 10px;white-space:nowrap}
.pair-notice{font-size:13px;line-height:1.5;border-left:3px solid #a686d7;padding:9px 12px;background:#faf7fe;margin-bottom:20px;border-radius:0 8px 8px 0}.pair-notice-error{border-color:#aa3954;background:#fff4f5;color:#872e45}.pair-privacy,.pair-hint{font-size:12px;color:var(--muted,#665976);line-height:1.6}.pair-privacy{border-top:1px solid #eee7f4;margin:22px 0 0;padding-top:14px}
.pair-setup{display:grid;gap:14px}.pair-study label{display:grid;gap:7px;font-size:13px;font-weight:650}.pair-study select{width:100%;min-width:0;font-size:16px;min-height:44px}.pair-study .pair-check{display:flex;align-items:flex-start;gap:10px;font-weight:400;line-height:1.5}.pair-check input{width:18px;height:18px;flex:0 0 18px;margin:2px 0;accent-color:#7139bd}.pair-study .btn{min-height:44px;white-space:normal}.pair-study .btn:focus-visible,.pair-study select:focus-visible,.pair-study input:focus-visible,.pair-study summary:focus-visible{outline:3px solid #8d5ddd;outline-offset:3px}.pair-setup>.btn{justify-self:start}
.pair-invites{display:grid;gap:12px;margin-top:22px}.pair-invite{padding:18px;border:1px solid #e6dbef;border-radius:16px}.pair-invite h3{font-size:16px;margin:10px 0 4px;overflow-wrap:anywhere}.pair-invite p{font-size:12px;margin:0;color:#6a5e78}.pair-round-top{margin-bottom:20px}.pair-round-top h3{margin-bottom:0}.pair-round-meta{font-size:12px;color:#6a5e78}.pair-progress{appearance:none;width:100%;height:6px;margin:12px 0 22px;border:0;border-radius:10px;overflow:hidden}.pair-progress::-webkit-progress-bar{background:#eee7f6}.pair-progress::-webkit-progress-value{background:linear-gradient(90deg,#7844ba,#aa86dc)}.pair-progress::-moz-progress-bar{background:#7844ba}
.pair-card-layout{display:grid;grid-template-columns:1fr 1fr;gap:14px}.pair-question,.pair-answer{padding:22px;border-radius:18px;border:1px solid #e5dced;min-width:0}.pair-question{background:linear-gradient(140deg,#fcfaff,#f2ecfa)}.pair-question h4{font-family:var(--display,Georgia,serif);font-size:clamp(20px,2vw,26px);font-weight:600;line-height:1.45;white-space:pre-wrap;overflow-wrap:anywhere;margin-bottom:22px}.pair-question .pair-hint{margin-bottom:0}.pair-answer{background:#fff}.pair-card-copy{white-space:pre-wrap;overflow-wrap:anywhere;font-size:15px;line-height:1.65;max-height:340px;overflow:auto}.pair-answer .pair-hint{margin:18px 0 0}.pair-answer-locked{display:flex;flex-direction:column;justify-content:center;text-align:center;background:#faf9fc;color:#796a89;border-style:dashed}.pair-answer-locked>span{font-size:34px;color:#ae93cc}.pair-answer-locked h4{margin:12px 0 6px;font-size:17px}.pair-answer-locked p{font-size:13px;line-height:1.6;margin:0}
.pair-actions{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.pair-feedback{margin:16px 0 0;padding:14px 16px;border-radius:12px;background:#fff6e6;color:#72501c;font-size:14px;font-weight:600}.pair-correct{background:#eaf6ef;color:#246442}.pair-scores{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}.pair-scores>div{display:grid;gap:5px;flex:1;min-width:140px;background:#f8f5fc;border:1px solid #ece5f4;border-radius:14px;padding:16px}.pair-scores span{font-size:12px;color:#6b597e}.pair-scores strong{font-family:var(--display,Georgia,serif);font-size:32px;color:#402563}.pair-scores small{font-family:var(--sans,Arial,sans-serif);font-size:17px;font-weight:400;color:#715d80}
.pair-local-notes{border:1px solid #e6dfed;border-radius:14px;padding:16px}.pair-local-notes summary{font-size:14px;font-weight:650;cursor:pointer}.pair-local-notes[open] summary{margin-bottom:14px}.pair-local-notes .pair-card-copy{margin-top:16px}.pair-end{margin-top:16px}.pair-wait{color:#766285;font-size:13px;line-height:1.6}.pair-consent,.pair-swap{background:#faf7fe;border-radius:16px;padding:20px;margin:16px 0}.pair-consent p,.pair-swap p,.pair-empty p{font-size:14px;line-height:1.65}.pair-consent .btn+.btn{margin-left:8px}.pair-celebrate{color:#673c90;font-weight:600;line-height:1.6}.pair-empty{padding:10px 0}
@media(max-width:760px){.pair-card-layout{grid-template-columns:1fr}.pair-question,.pair-answer{padding:18px}.pair-actions>.btn{flex:1 1 160px}.pair-heading{align-items:flex-start}.pair-consent .btn{width:100%;margin:6px 0}.pair-consent .btn+.btn{margin-left:0}}
@media(prefers-reduced-motion:no-preference){.pair-feedback{animation:pair-enter .25s ease-out}@keyframes pair-enter{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}}