/* StudyBuddies Revision Cards 2.0 — active recall + spaced mastery */
.rc2Hero{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px!important;margin-bottom:16px}.rc2Hero h2{margin:4px 0 8px;font-size:clamp(24px,3vw,34px);line-height:1.12}.rc2Hero p{max-width:720px;margin:0;color:var(--muted,#68758d);font-size:15.5px;line-height:1.55}.rc2HeroScore{min-width:112px;text-align:center;padding:16px 18px;border:1px solid rgba(35,77,145,.14);border-radius:16px;background:rgba(54,91,196,.055)}.rc2HeroScore strong{display:block;font-size:30px;line-height:1}.rc2HeroScore span{display:block;margin-top:6px;font-size:13px;color:var(--muted,#68758d)}
.rc2Filters{padding:16px!important;margin-bottom:16px}.rc2FilterPrimary,.rc2FilterSecondary{display:grid;grid-template-columns:repeat(3,minmax(150px,1fr));gap:12px;align-items:end}.rc2FilterSecondary{grid-template-columns:minmax(220px,1.6fr) minmax(140px,.7fr) minmax(140px,.7fr) auto;margin-top:12px}.rc2Field{display:grid;gap:6px}.rc2Field>span{font-size:12px;font-weight:800;letter-spacing:.02em;color:var(--muted,#64748b)}.rc2Field select,.rc2Field input{width:100%;min-height:42px;padding:9px 11px;border:1px solid rgba(24,48,86,.16);border-radius:11px;background:#fff;font:inherit;font-size:14px;color:inherit;box-sizing:border-box}.rc2Field select:focus,.rc2Field input:focus{outline:2px solid rgba(71,95,210,.18);border-color:rgba(71,95,210,.42)}.rc2FilterCount{display:flex;align-items:baseline;gap:6px;margin-top:12px;font-size:13px;color:var(--muted,#68758d)}.rc2FilterCount strong{font-size:18px;color:var(--ink,#1d2940)}
.rc2DashboardGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:16px}.rc2DashCard{border:0;text-align:left;cursor:pointer;padding:18px!important;min-height:138px;display:flex;flex-direction:column;align-items:flex-start;transition:transform .16s ease,box-shadow .16s ease}.rc2DashCard:hover{transform:translateY(-2px)}.rc2DashCard>span{font-size:13px;font-weight:850;color:var(--muted,#68758d)}.rc2DashCard>strong{font-size:30px;line-height:1.05;margin:10px 0 7px;color:var(--ink,#1c2940)}.rc2DashCard>small{font-size:13px;line-height:1.4;color:var(--muted,#68758d)}.rc2DashCard.due{border-top:3px solid #4f63d8}.rc2DashCard.weak{border-top:3px solid #d48c37}.rc2DashCard.mastered{border-top:3px solid #3a9a6d}.rc2DashCard.quick{border-top:3px solid #7957d5}.rc2DashCard.new{border-top:3px solid #3c8fc2}.rc2DashCard.browse{border-top:3px solid #738096}
.rc2SessionSizes{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px!important}.rc2SessionSizes strong{font-size:16px}.rc2SessionSizes p{margin:4px 0 0;font-size:13.5px;color:var(--muted,#68758d)}.rc2SessionSizes>div:last-child{display:flex;gap:8px;flex-wrap:wrap}.rc2QualityNote{display:flex;gap:10px;align-items:flex-start;padding:13px 15px;border:1px solid rgba(47,102,172,.14);border-radius:13px;background:rgba(47,102,172,.05);font-size:13.5px;line-height:1.45;color:var(--muted,#5f6d83);margin-top:14px}.rc2QualityNote strong{white-space:nowrap;color:var(--ink,#1e2b43)}
.rc2PageHead{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:14px}.rc2PageHead h2{margin:0 0 4px;font-size:25px}.rc2PageHead p{margin:0;color:var(--muted,#68758d);font-size:14px}.rc2BrowseGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.rc2BrowseCard{padding:16px!important;display:flex;flex-direction:column;min-height:225px}.rc2BrowseTop{display:flex;justify-content:space-between;gap:10px;align-items:center}.rc2BrowseTop span{font-size:12px;font-weight:850}.rc2BrowseTop em{font-style:normal;font-size:11.5px;color:var(--muted,#68758d)}.rc2BrowseCard h3{margin:11px 0 5px;font-size:17px}.rc2BrowseCard p{font-size:14px;line-height:1.45;color:var(--ink,#28364e);margin:10px 0 14px;flex:1}.rc2Subtopic{align-self:flex-start;font-size:11.5px;font-weight:800;padding:4px 8px;border-radius:7px;background:rgba(64,88,180,.07);color:#43548d}.rc2BrowseState{font-size:12px;color:var(--muted,#68758d);margin-bottom:10px}
.rc2SessionHead{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:17px 20px!important;margin:12px 0}.rc2SessionHead h2{margin:3px 0 3px;font-size:23px}.rc2SessionHead p{margin:0;font-size:13px;color:var(--muted,#68758d)}.rc2SessionProgress{width:min(220px,32vw);display:grid;gap:6px;text-align:right}.rc2SessionProgress strong{font-size:13px}.rc2SessionProgress>div{height:7px;border-radius:999px;background:rgba(55,70,100,.1);overflow:hidden}.rc2SessionProgress i{display:block;height:100%;background:#5367d8;border-radius:inherit;transition:width .2s ease}.rc2RecallCard{padding:24px!important;min-height:330px}.rc2Meta{display:flex;justify-content:space-between;gap:10px;margin-bottom:20px}.rc2Meta span{font-size:12px;color:var(--muted,#68758d)}.rc2RecallCard h3{font-size:clamp(21px,2.7vw,30px);line-height:1.35;margin:11px 0 20px;max-width:900px}.rc2Think{padding-top:15px;border-top:1px solid rgba(30,50,80,.1)}.rc2Think p{font-size:14px;color:var(--muted,#68758d)}.rc2Reveal{min-width:150px}.rc2Answer{border-top:1px solid rgba(30,50,80,.1);padding-top:18px}.rc2Answer>strong{display:block;font-size:19px;line-height:1.5;margin:8px 0 16px}.rc2Why,.rc2Tip{padding:13px 15px;border-radius:12px;background:rgba(49,76,138,.05);margin-top:10px}.rc2Why span,.rc2Tip strong{display:block;font-size:11px;font-weight:900;letter-spacing:.08em;margin-bottom:5px}.rc2Why p,.rc2Tip p{margin:0;font-size:14px;line-height:1.52}.rc2RatingPanel{padding:18px!important;margin-top:14px}.rc2RatingHead{display:flex;justify-content:space-between;gap:14px;align-items:baseline;margin-bottom:12px}.rc2RatingHead strong{font-size:16px}.rc2RatingHead span{font-size:12.5px;color:var(--muted,#68758d)}.rc2Ratings{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}.rc2Rate{border:1px solid rgba(29,48,77,.13);background:#fff;border-radius:12px;padding:12px;text-align:left;cursor:pointer;min-height:72px}.rc2Rate strong{display:block;font-size:14px}.rc2Rate span{display:block;font-size:11.5px;color:var(--muted,#68758d);margin-top:4px;line-height:1.3}.rc2Rate.again{border-bottom:3px solid #bb5a56}.rc2Rate.hard{border-bottom:3px solid #c68a39}.rc2Rate.good{border-bottom:3px solid #4c82c4}.rc2Rate.easy{border-bottom:3px solid #3f9669}.rc2LearningLoop{display:flex;gap:8px;flex-wrap:wrap;margin-top:13px;padding-top:13px;border-top:1px solid rgba(29,48,77,.09)}
.rc2Summary{text-align:center;padding:32px!important;max-width:760px;margin:18px auto}.rc2Summary h2{font-size:30px;margin:8px 0}.rc2Summary>p{max-width:600px;margin:0 auto 20px;color:var(--muted,#68758d);line-height:1.55}.rc2SummaryStats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:20px 0}.rc2SummaryStats div{padding:13px;border-radius:12px;background:rgba(50,73,123,.05)}.rc2SummaryStats strong{display:block;font-size:23px}.rc2SummaryStats span{font-size:12px;color:var(--muted,#68758d)}.rc2Summary .buttonRow{justify-content:center}
@media(max-width:900px){.rc2DashboardGrid,.rc2BrowseGrid{grid-template-columns:repeat(2,minmax(0,1fr))}.rc2FilterPrimary{grid-template-columns:repeat(2,minmax(0,1fr))}.rc2FilterSecondary{grid-template-columns:repeat(2,minmax(0,1fr))}.rc2SessionSizes,.rc2Hero{align-items:flex-start}.rc2Ratings{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.rc2Hero{padding:17px!important;display:block}.rc2HeroScore{display:flex;align-items:baseline;gap:7px;margin-top:14px;min-width:0;text-align:left;padding:10px 12px}.rc2HeroScore strong{font-size:23px}.rc2HeroScore span{margin:0}.rc2Filters{padding:12px!important}.rc2FilterPrimary,.rc2FilterSecondary{grid-template-columns:1fr;gap:9px}.rc2Field select,.rc2Field input{min-height:44px;font-size:16px}.rc2DashboardGrid,.rc2BrowseGrid{grid-template-columns:1fr;gap:10px}.rc2DashCard{min-height:112px;padding:15px!important}.rc2DashCard>strong{font-size:27px;margin:7px 0 5px}.rc2SessionSizes{display:block;padding:14px!important}.rc2SessionSizes>div:last-child{margin-top:12px}.rc2PageHead{display:block}.rc2PageHead>div{margin-top:10px}.rc2BrowseCard{min-height:0}.rc2SessionHead{display:block;padding:14px!important}.rc2SessionProgress{width:100%;text-align:left;margin-top:12px}.rc2RecallCard{padding:18px!important;min-height:290px}.rc2RecallCard h3{font-size:21px}.rc2RatingPanel{padding:13px!important}.rc2RatingHead{display:block}.rc2RatingHead span{display:block;margin-top:3px}.rc2Ratings{grid-template-columns:1fr 1fr;gap:7px}.rc2Rate{min-height:68px;padding:10px}.rc2Summary{padding:22px 15px!important}.rc2SummaryStats{grid-template-columns:repeat(2,1fr)}.rc2QualityNote{display:block}.rc2QualityNote strong{display:block;margin-bottom:3px}}
.rc2LegacyRedirect{padding:20px!important}.rc2LegacyRedirect h3{font-size:20px;margin:7px 0}.rc2LegacyRedirect p{max-width:720px;color:var(--muted,#68758d);line-height:1.5}.rc2LegacyRedirect .buttonRow{margin-top:14px}