/* Origin Grinds — shared styles for topic question banks */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI',Arial,sans-serif;color:#1a2744;background:#f8f9fc;padding:0 0 50px}
.top{background:#1a2744;color:#fff;padding:30px 6% 26px}
.top .crumb{font-size:11px;color:#a8b8d8;letter-spacing:1px;text-transform:uppercase;margin-bottom:8px}
.top h1{font-size:26px;font-weight:800}.top h1 span{color:#f0c040}
.top p{font-size:13px;color:#a8b8d8;margin-top:8px;max-width:640px;line-height:1.6}
.wrap{max-width:820px;margin:0 auto;padding:22px 6%}
.controls{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.hint{background:#fff8ec;border:1.5px solid #f0c040;border-radius:10px;padding:10px 14px;font-size:12px;color:#7a5a10;line-height:1.55;flex:1;min-width:230px}
.deftoggle{background:#1a2744;color:#fff;border:none;font-size:12.5px;font-weight:700;padding:9px 15px;border-radius:8px;cursor:pointer;white-space:nowrap;display:flex;align-items:center;gap:7px}
.deftoggle .sw{width:30px;height:17px;border-radius:20px;background:#1a9e75;position:relative;transition:background .2s}
.deftoggle .sw::after{content:"";position:absolute;top:2px;left:15px;width:13px;height:13px;border-radius:50%;background:#fff;transition:left .2s}
.deftoggle.off{background:#5a6a8a}.deftoggle.off .sw{background:#c8d0e8}.deftoggle.off .sw::after{left:2px}
.qcard{background:#fff;border:1.5px solid #e4e9f5;border-radius:12px;margin-bottom:22px}
.qbar{background:#f5f7ff;border-bottom:1.5px solid #e4e9f5;border-radius:11px 11px 0 0;padding:11px 18px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.src{background:#1a2744;color:#f0c040;font-size:11px;font-weight:700;padding:3px 11px;border-radius:20px;letter-spacing:.5px}
.marks{font-size:11px;color:#8898aa;font-weight:600}
.topictag{margin-left:auto;font-size:11px;color:#5a6a8a;background:#eef2ff;padding:3px 10px;border-radius:20px;font-weight:600}
.qbody{padding:18px 20px 20px;font-size:14.5px;line-height:1.75;color:#25324d}
.qintro{margin-bottom:6px}
.part{display:flex;gap:10px;margin-top:14px}
.part:first-child{margin-top:0}
.pl{font-weight:700;color:#1a2744;flex-shrink:0}
.sub{display:flex;gap:10px;margin-top:10px;margin-left:22px}
.mth{font-style:italic}
.eqn{text-align:center;font-style:italic;font-size:15px;margin:8px 0}
.frac{display:inline-flex;flex-direction:column;vertical-align:middle;text-align:center;margin:0 3px}
.frac .n{border-bottom:1.3px solid #1a2744;padding:0 5px;line-height:1.25}
.frac .d{padding:0 5px;line-height:1.25}
.qfig{margin:12px 0 4px;text-align:center}
.qfig img{max-width:100%;border:1px solid #e4e9f5;border-radius:8px;background:#fff}
.qfig .cap,.cap{font-size:11px;color:#8898aa;margin-top:6px;font-style:italic;text-align:center}
.dtable{border-collapse:collapse;margin:10px 0 2px;font-size:13.5px}
.dtable th{background:#1a2744;color:#fff;padding:7px 14px;font-weight:600;text-align:left}
.dtable td{border:1px solid #d4dcf0;padding:7px 14px}
.dtable td.v{text-align:center;min-width:70px;color:#8898aa}
.given{background:#e4f3ec;color:#1a7a54;font-weight:700}
.padwrap{position:relative;margin:8px 0 2px;border:1.5px solid #e4e9f5;border-radius:8px;overflow:hidden;background-color:#fff;background-image:linear-gradient(#e9eef8 1px,transparent 1px),linear-gradient(90deg,#e9eef8 1px,transparent 1px);background-size:24px 24px}
.mathpad{display:block;width:100%;height:150px;touch-action:none;cursor:crosshair}
.padwrap.tall .mathpad{height:230px}
.padbar{position:absolute;top:6px;right:8px;z-index:2}
.padclear{background:rgba(255,255,255,.9);border:1px solid #e4e9f5;border-radius:6px;font-size:11px;font-weight:600;color:#5a6a8a;padding:3px 10px;cursor:pointer}
.padclear:hover{color:#b91c1c;border-color:#f3c4c4}
.padtag{position:absolute;bottom:5px;left:9px;font-size:10px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;color:#c2ccdd;pointer-events:none;z-index:1}
.figpad-wrap{position:relative;display:inline-block;max-width:100%;margin:12px 0 2px;border:1px solid #e4e9f5;border-radius:8px;overflow:hidden}
.figpad-wrap img{display:block;max-width:100%}
.figpad{position:absolute;top:0;left:0;width:100%;height:100%;touch-action:none;cursor:crosshair}
.attrib{font-size:11px;color:#8898aa;text-align:center;margin-top:20px;line-height:1.6}
.gterm{border-bottom:1.5px dotted #b08a10;cursor:help;position:relative}
.gterm:hover,.gterm.open{background:#fff8ec}
.gtip{position:absolute;left:0;bottom:135%;z-index:60;width:235px;background:#1a2744;color:#fff;border-radius:9px;padding:10px 12px;font-size:11.5px;line-height:1.5;box-shadow:0 8px 22px rgba(10,20,50,.32);display:none;font-style:normal;text-align:left}
.gtip b{display:block;color:#f0c040;font-size:12px;margin-bottom:3px}
.gtip i{display:block;color:#a8b8d8;margin-top:5px;font-style:italic}
.gterm:hover .gtip,.gterm.open .gtip{display:block}
body.defs-off .gterm{border-bottom:none;background:transparent!important;cursor:auto}
body.defs-off .gtip{display:none!important}
@media(max-width:600px){.gtip{width:180px}}
/* Section A (short) / Section B (long) filter */
.secfilter{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:-4px 0 18px}
.secfilter .sflabel{font-size:12px;font-weight:600;color:#8898aa}
.sfbtn{background:#fff;border:1.5px solid #e4e9f5;color:#5a6a8a;font-size:12px;font-weight:600;padding:6px 13px;border-radius:20px;cursor:pointer}
.sfbtn:hover{border-color:#1a2744;color:#1a2744}
.sfbtn.on{background:#1a2744;border-color:#1a2744;color:#f0c040}
.secfilter .cnt{font-size:11px;color:#aab4c8;margin-left:2px}