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svg{width:18px;height:18px}.question-pagination span{color:var(--slate);font-variant-numeric:tabular-nums;font-family:SFMono-Regular,Consolas,monospace;font-size:10px}.site-footer{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:20px;max-width:1120px;min-height:96px;margin:48px auto 0;display:flex}.site-footer>div{flex-direction:column;gap:4px;display:flex}.site-footer strong{font-size:12px}.site-footer span{color:var(--slate);font-size:10px}.site-footer nav{gap:14px;display:flex}.site-footer a,.site-footer button{color:var(--slate-dark);cursor:pointer;background:0 0;border:0;font-size:11px;text-decoration:none}.site-footer a:hover,.site-footer button:hover{color:var(--teal-dark);text-decoration:underline}.drawer-layer{z-index:100;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#0a182a70;justify-content:flex-end;animation:.16s ease-out fade-in;display:flex;position:fixed;inset:0}.question-drawer{background:#fbfaf7;flex-direction:column;width:min(440px,100%);height:100%;padding:25px;animation:.18s ease-out slide-in;display:flex;overflow:hidden;box-shadow:-24px 0 60px #10233f33}.drawer-header{justify-content:space-between;align-items:center;gap:18px;display:flex}.drawer-header h2{margin:4px 0 0;font-size:25px}.drawer-close{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:50%;place-items:center;width:44px;height:44px;font-size:20px;display:grid}.stats-grid{grid-template-columns:repeat(3,1fr);gap:8px;margin-top:20px;display:grid}.stats-grid>div{border:1px solid var(--line);background:#fff;border-radius:9px;flex-direction:column;justify-content:center;align-items:center;min-height:76px;display:flex}.stats-grid strong{font-variant-numeric:tabular-nums;font-size:22px}.stats-grid span{color:var(--slate);margin-top:3px;font-size:9px}.random-button{border:1px solid var(--navy);background:var(--navy);color:#fff;cursor:pointer;border-radius:8px;min-height:44px;margin-top:11px;font-size:12px;font-weight:700}.drawer-filters{grid-template-columns:1fr 1fr;gap:10px;margin-top:14px;display:grid}.drawer-filters label{gap:5px;display:grid}.drawer-filters label>span{color:var(--slate);font-size:9px;font-weight:650}.drawer-filters select{border:1px solid var(--line-strong);width:100%;min-height:42px;color:var(--navy);background:#fff;border-radius:7px;padding:7px 10px;font-size:11px}.drawer-question-grid{flex:1;grid-template-columns:repeat(5,1fr);grid-auto-rows:58px;gap:8px;margin-top:14px;padding:4px 3px 20px;display:grid;overflow-y:auto}.drawer-question-grid button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:8px;place-content:center;min-width:0;display:grid;position:relative}.drawer-question-grid button:hover,.drawer-question-grid button.is-current{border-color:var(--navy);box-shadow:inset 0 -3px 0 var(--orange)}.drawer-question-grid button.is-complete{background:var(--teal-soft);border-color:#83c3bd}.drawer-question-grid button.is-incorrect{background:var(--red-soft);border-color:#dda29d}.drawer-question-grid button.is-review:after{color:var(--orange);content:"◆";font-size:8px;position:absolute;top:5px;right:6px}.drawer-question-grid button span{font-size:14px;font-weight:700}.drawer-question-grid button small{color:var(--slate);font-size:8px}.drawer-question-grid button b,.drawer-question-grid button i{font-size:8px;font-style:normal;position:absolute}.drawer-question-grid button b{color:var(--teal-dark);top:5px;left:6px}.drawer-question-grid button.is-incorrect b{color:var(--red)}.drawer-question-grid button i{display:none}.empty-filter{color:var(--slate);text-align:center;flex:1;padding-top:42px;font-size:12px}.drawer-footer{border-top:1px solid var(--line);justify-content:space-between;align-items:center;padding-top:15px;display:flex}.drawer-footer a,.drawer-footer button{cursor:pointer;min-height:40px;color:var(--slate-dark);background:0 0;border:0;font-size:10px}.drawer-footer button{color:var(--red)}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes slide-in{0%{opacity:.5;transform:translate(30px)}to{opacity:1;transform:translate(0)}}@media (width<=1020px){.topbar{padding-left:24px}.progress-rail{display:none}.top-progress-line{left:0}.main-content{width:100%;margin-left:0}}@media (width<=760px){.topbar{min-height:68px;padding:8px 16px}.brand-mark{width:38px;height:38px}.brand-title{font-size:15px}.brand-subtitle,.meta-pill,.header-progress{display:none}.header-status{gap:6px}.list-button{width:44px;padding:7px}.list-button span{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.main-content{padding:14px 14px 0}.session-strip{border-radius:8px;min-height:48px;margin-bottom:15px;padding-left:12px}.session-strip>div:first-child{gap:7px}.session-label,.session-correct{display:none}.session-actions button{min-width:42px}.question-meta-row{align-items:flex-start}.document-icon{width:32px;height:37px}.question-number-block p{font-size:16px}.question-tools{flex-direction:column;align-items:flex-end;gap:4px}.format-label{text-align:right;max-width:160px}.review-button{min-height:38px;padding:6px 10px;font-size:10px}.problem-card{border-radius:10px;padding:23px 19px 24px 23px}.problem-card h1{margin-bottom:16px;font-size:20px}.rich-text{font-size:16px;line-height:1.82}.answers{margin-top:18px}.answers legend,.selection-status{float:none}.selection-status{margin:5px 0 10px}.answer-card{border-radius:9px;grid-template-columns:27px 26px minmax(0,1fr);gap:10px;min-height:78px;padding:14px 13px}.choice-control{width:24px;height:24px}.choice-letter{font-size:19px}.choice-text{font-size:13px;line-height:1.7}.choice-verdict{grid-column:3;width:max-content;margin-top:-3px}.action-bar{z-index:20;padding:20px 0 max(10px, env(safe-area-inset-bottom));background:linear-gradient(#f7f5f000,#f7f5f0f7 22%);grid-template-columns:minmax(0,1fr) auto;gap:8px;margin-top:8px;display:grid;position:sticky;bottom:0}.primary-button,.secondary-button{min-width:0;min-height:52px}.primary-button{gap:9px;padding:9px 13px;font-size:14px}.primary-button span{display:none}.secondary-button{width:52px;padding:8px;font-size:0}.secondary-button svg{width:22px;height:22px}.result-card{grid-template-columns:44px minmax(0,1fr);gap:13px;padding:17px}.result-symbol{width:42px;height:42px}.result-card .text-button{grid-column:2;justify-self:start;padding:0}.session-complete{padding:18px;display:grid}.session-complete>div:last-child{grid-template-columns:1fr 1fr;display:grid}.explanation{margin-top:28px;padding-top:25px}.explanation-card{grid-template-columns:30px minmax(0,1fr);gap:11px;padding:16px 14px}.section-number{border-radius:7px;width:29px;height:29px;font-size:12px}.explanation-card h3{margin-top:1px;font-size:13px}.rich-text--compact{font-size:12.5px;line-height:1.82}.source-panel{flex-direction:column;align-items:flex-start;padding:16px}.source-links{justify-content:flex-start}.question-pagination{margin-top:24px}.site-footer{flex-direction:column;justify-content:center;align-items:flex-start;min-height:120px;margin-top:35px}.question-drawer{padding:19px 16px max(16px, env(safe-area-inset-bottom))}.drawer-question-grid{grid-template-columns:repeat(5,1fr)}}@media (width<=390px){.brand-block{gap:8px}.brand-mark{width:34px;height:34px;font-size:9px}.brand-title{font-size:14px}.session-strip strong{font-size:11px}.session-actions button{min-width:38px;font-size:10px}.question-tools .format-label{max-width:130px;font-size:9px}.review-button{font-size:0}.review-button svg{width:20px;height:20px}.answer-card{grid-template-columns:24px 22px minmax(0,1fr)}.choice-control{width:22px;height:22px}.drawer-question-grid{grid-template-columns:repeat(4,1fr)}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}