/* StudyBuddies 2.5.0 — Study Tools Expansion */
.studyToolsShell .studyToolsGrid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px!important}
.studyToolsShell .studyToolCard{min-height:142px!important;padding:16px!important;align-items:flex-start!important;text-align:left!important;position:relative!important}
.studyToolsShell .studyToolCard strong{font-size:16px!important;line-height:1.22!important;padding-right:24px}
.studyToolsShell .studyToolCard small{display:block;color:var(--muted,#64748b);font-size:13px!important;line-height:1.4;margin-top:7px;font-weight:700}
.studyToolsShell .studyToolCard .toolArrow{position:absolute;right:14px;top:16px}
.studyToolsShell .studyToolIcon{min-width:38px;height:38px;display:grid!important;place-items:center;border-radius:12px;font-weight:900;font-size:18px}
.sbStudyToolsFilterBar{margin:12px 0!important;padding:14px!important}
.sbToolsSearch{display:flex;align-items:center;gap:12px}.sbToolsSearch input{flex:1;min-width:0;border:1px solid #d8dfeb;border-radius:12px;padding:11px 13px;font:700 15px Nunito,system-ui,sans-serif;background:#fff}.sbToolsSearch span{font-size:13px;font-weight:800;color:#64748b;white-space:nowrap}
.sbToolsCategoryChips{display:flex;gap:7px;overflow-x:auto;padding-top:10px;scrollbar-width:none}.sbToolsCategoryChips::-webkit-scrollbar{display:none}.sbToolsCategoryChips button{border:1px solid #dbe2ec;background:#fff;border-radius:999px;padding:8px 12px;font:800 13px Nunito,system-ui,sans-serif;color:#334155;white-space:nowrap}.sbToolsCategoryChips button.active{background:#172554;color:#fff;border-color:#172554}
.sbToolsConnected{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:16px;align-items:center;margin-top:14px!important}.sbToolsConnected h3{margin:4px 0 5px;font-size:18px}.sbToolsConnected p{margin:0;color:#64748b;line-height:1.5}.sbConnectedButtons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.sbConnectedButtons button{border:1px solid #dbe3ef;background:#fff;border-radius:14px;padding:12px;text-align:left;font-family:inherit;color:inherit}.sbConnectedButtons strong,.sbConnectedButtons small,.sbConnectedButtons span{display:block}.sbConnectedButtons strong{font-size:14px}.sbConnectedButtons small{font-size:12px;color:#64748b;line-height:1.35;margin:4px 0 8px}.sbConnectedButtons span{font-size:12px;font-weight:900;color:#304d9b}
.sbStudyToolsExpansionView{max-width:980px;margin:0 auto}.sbExpandedTool{margin-top:10px!important}.sbExpandedTool h2{font-size:clamp(24px,4vw,32px);margin:5px 0 6px}.sbExpandedTool>p{color:#64748b;margin:0 0 18px;line-height:1.55}
.sbToolSection{border-top:1px solid #e7ebf2;padding-top:16px;margin-top:16px}.sbToolSection:first-child{border-top:0;padding-top:0;margin-top:0}.sbToolSection h3{font-size:17px;margin:0 0 10px}.sbToolFormGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:10px 0}.sbToolForm3{grid-template-columns:repeat(3,minmax(0,1fr))}.sbToolFormGrid label,.sbToolWideLabel{display:block;font-weight:800;font-size:13px;color:#475569}.sbToolFormGrid input,.sbToolFormGrid select,.sbToolWideLabel input,.sbToolWideLabel textarea{width:100%;margin-top:5px;border:1px solid #d6deea;border-radius:11px;padding:11px 12px;font:700 15px Nunito,system-ui,sans-serif;background:#fff;color:#17233c;box-sizing:border-box}.sbToolWideLabel textarea{resize:vertical;min-height:110px}.sbToolHint{font-size:13px!important;color:#64748b!important;line-height:1.5!important;margin-top:10px!important}
.sbMetricGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-top:12px}.sbMetricGrid article{border:1px solid #e0e6ef;border-radius:13px;padding:12px;background:#fafcff}.sbMetricGrid span,.sbMetricGrid strong,.sbMetricGrid small{display:block}.sbMetricGrid span{font-size:12px;color:#64748b;font-weight:800}.sbMetricGrid strong{font-size:18px;margin-top:4px;overflow-wrap:anywhere}.sbMetricGrid small{font-size:11px;color:#64748b;margin-top:3px}
.sbExpandedTool .utilityResult{margin-top:11px!important;border-radius:14px!important;padding:14px!important}.sbExpandedTool .utilityResult strong,.sbExpandedTool .utilityResult div,.sbExpandedTool .utilityResult small{display:block}.sbExpandedTool .utilityResult strong{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#64748b}.sbExpandedTool .utilityResult div{font-size:20px;font-weight:900;margin-top:3px}.sbExpandedTool .utilityResult small{font-size:12px;color:#64748b;margin-top:4px}
.sbToolTabs{display:flex;gap:8px;margin:10px 0 14px}.sbToolTabs button{border:1px solid #d8e0eb;background:#fff;border-radius:10px;padding:9px 13px;font:800 13px Nunito}.sbToolTabs button.active{background:#172554;color:#fff;border-color:#172554}.sbWorkedSteps{display:grid;gap:7px;margin-top:12px}.sbWorkedSteps>div{display:flex;gap:9px;align-items:flex-start;border:1px solid #e3e8f0;border-radius:11px;padding:10px}.sbWorkedSteps b{display:grid;place-items:center;min-width:24px;height:24px;border-radius:999px;background:#eef2ff;color:#3730a3}.sbWorkedSteps span{font-size:14px;line-height:1.45}
.sbFormulaBreakdown{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}.sbFormulaBreakdown span{border:1px solid #dde4ee;border-radius:999px;padding:6px 9px;background:#fff;font-size:12px}.sbCommandGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:12px}.sbCommandGrid article{border:1px solid #e0e6ef;border-radius:14px;padding:13px;background:#fff}.sbCommandGrid strong{font-size:16px}.sbCommandGrid p{font-size:13px!important;line-height:1.45!important;margin:5px 0!important;color:#475569!important}.sbCommandGrid small{font-size:12px;color:#64748b;line-height:1.4;display:block}
.sbAngleMode{display:flex;align-items:center;gap:7px;margin:8px 0 9px}.sbAngleMode span{font-size:12px;font-weight:900;color:#64748b;margin-right:auto}.sbAngleMode button{border:1px solid #d9e1eb;background:#fff;border-radius:9px;padding:6px 9px;font:900 12px Nunito;color:#334155}.sbAngleMode button.active{background:#172554;color:#fff;border-color:#172554}.sbToolCount{display:inline-flex;margin-top:10px;border-radius:999px;padding:6px 10px;background:rgba(255,255,255,.15);font-size:12px;font-weight:900}
@media(max-width:900px){.studyToolsShell .studyToolsGrid{grid-template-columns:repeat(2,minmax(0,1fr))}.sbToolsConnected{grid-template-columns:1fr}.sbConnectedButtons{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:620px){.studyToolsShell .studyToolsGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px!important}.studyToolsShell .studyToolCard{min-height:132px!important;padding:13px!important}.studyToolsShell .studyToolCard strong{font-size:14px!important}.studyToolsShell .studyToolCard small{font-size:12px!important}.sbToolsSearch{align-items:stretch;flex-direction:column;gap:5px}.sbToolsSearch span{padding-left:2px}.sbToolFormGrid,.sbToolForm3{grid-template-columns:1fr 1fr}.sbMetricGrid{grid-template-columns:repeat(2,minmax(0,1fr))}.sbConnectedButtons{grid-template-columns:1fr}.sbCommandGrid{grid-template-columns:1fr}.sbExpandedTool{padding:15px!important}}
@media(max-width:390px){.studyToolsShell .studyToolsGrid{grid-template-columns:1fr}.sbToolFormGrid,.sbToolForm3{grid-template-columns:1fr}}