/* V54 content engine: compact PYQ, interactive notes, historical radar */
.pyq53-hero{padding:18px 20px;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center}
.pyq53-hero h2{font-size:clamp(1.25rem,2.4vw,1.8rem);margin:7px 0 4px}.pyq53-hero p{margin:0;max-width:680px;font-size:.74rem}.pyq53-hero-stat{min-width:170px;padding:13px 15px}.pyq53-hero-stat strong{font-size:1.35rem}.pyq53-hero-stat span{font-size:.65rem}
.pyq53-browser-top p{display:none}.pyq53-exam-grid .pyq-exam-chip{min-height:78px;padding:11px}.pyq53-exam-grid .pyq-exam-chip strong{font-size:.78rem}.pyq53-filter{margin-top:10px}.pyq-radar-loading,.pyq-radar-empty{display:grid;place-items:center;text-align:center;gap:8px;padding:34px 20px;border:1px dashed rgba(148,163,184,.16);border-radius:16px;color:#8da1ba;background:rgba(255,255,255,.015)}.pyq-radar-loading strong,.pyq-radar-empty strong{color:#fff}.pyq-radar-loading span,.pyq-radar-empty span{font-size:.72rem}.pyq-radar-spinner{width:26px;height:26px;border-radius:50%;border:3px solid rgba(148,163,184,.16);border-top-color:#22d3ee;animation:pyq54spin .7s linear infinite}@keyframes pyq54spin{to{transform:rotate(360deg)}}.pyq-radar-intro{display:flex;justify-content:space-between;gap:16px;align-items:center;margin:10px 0;padding:10px 12px;border-radius:12px;border:1px solid rgba(34,211,238,.10);background:rgba(34,211,238,.03)}.pyq-radar-intro strong{color:#fff;font-size:.76rem}.pyq-radar-intro span{color:#8396ad;font-size:.67rem}.pyq-radar-muted{color:#788aa1;font-size:.72rem}
.note-card-v54{display:flex;flex-direction:column;min-height:220px}.note-v54-top{display:flex;justify-content:space-between;gap:10px;align-items:center}.note-v54-time{color:#8da0b7;font-size:.62rem}.note-card-v54 h4{margin:8px 0 5px}.note-card-v54 p{min-height:40px}.note-card-v54 .note-points{display:grid;gap:6px;margin-top:8px}.note-card-v54 .note-points span{padding:7px 9px;border-radius:10px;background:rgba(255,255,255,.025);border:1px solid rgba(148,163,184,.07);font-size:.67rem;color:#9eb0c7}.note-v54-actions{display:flex;gap:7px;margin-top:auto;padding-top:12px}.resource-empty{display:grid;gap:5px;padding:18px;border:1px dashed rgba(148,163,184,.15);border-radius:14px;color:#8396ad}.resource-empty strong{color:#fff}.resource-empty span{font-size:.7rem}
.resource-note-v54{max-width:760px}.resource-note-v54-head{display:flex;justify-content:space-between;align-items:center;gap:10px}.resource-note-v54-time{font-size:.68rem;color:#8da0b7}.resource-note-v54-summary{color:#9eb0c7;line-height:1.55;margin:8px 0 16px}.resource-note-v54-label{display:block;color:#7ceaf5;font-size:.62rem;font-weight:900;letter-spacing:.1em;margin-bottom:8px}.resource-note-v54-learn{display:grid;gap:8px}.resource-note-point{display:flex;align-items:flex-start;gap:9px;text-align:left;padding:10px 11px;border-radius:12px;border:1px solid rgba(148,163,184,.10);background:rgba(255,255,255,.02);color:#dce7f3}.resource-note-point span{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:rgba(34,211,238,.08);color:#88f0fa;font-size:.65rem;font-weight:900;flex:0 0 auto}.resource-note-point strong{font-size:.72rem;line-height:1.45;font-weight:700}.resource-note-point.expanded{border-color:rgba(34,211,238,.25);background:rgba(34,211,238,.035)}.resource-note-v54-check{margin-top:16px;padding:13px;border-radius:14px;background:rgba(124,58,237,.05);border:1px solid rgba(124,58,237,.12)}.resource-note-v54-check p{margin:0 0 9px;color:#a8b7c9;font-size:.72rem}.resource-note-v54-check div[hidden]{display:none}.resource-note-v54-check div:not([hidden]){margin-top:9px;color:#bfcddd;font-size:.71rem;line-height:1.5}.resource-note-v54-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.flashcard-empty-actions{margin-top:12px}.resources-v54-hero p{max-width:700px}
@media(max-width:760px){.pyq53-hero{grid-template-columns:1fr;padding:14px 15px}.pyq53-hero-stat{display:flex;align-items:baseline;gap:8px;min-width:0}.pyq-radar-intro{align-items:flex-start;flex-direction:column}.note-v54-actions,.resource-note-v54-actions{display:grid;grid-template-columns:1fr 1fr}.resource-note-v54-actions .btn:first-child{grid-column:1/-1}.resource-note-point{padding:11px}.resource-note-v54{width:min(94vw,760px);max-height:86vh;overflow:auto}}
@media(max-width:430px){.pyq53-hero{display:none}.pyq53-browser-top{margin-bottom:8px}.pyq53-selected{margin-bottom:8px}.note-card-v54{min-height:0}.resource-note-v54-actions{grid-template-columns:1fr}.resource-note-v54-actions .btn:first-child{grid-column:auto}}