:root{color:#f5f5f2;--bg:#090909;--rail:#131313;--card:#1c1c1c;--border:#383838;--white:#f5f5f2;--grey:#9e9e99;--chartreuse:#c7f53d;--gold:#e5b84a;--rail-width:270px;--collapsed-width:42px;background:#090909;font-family:Inter,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;margin:0}body{background:var(--bg);overflow:hidden}button{font:inherit;color:inherit}.janatomy-shell{background:var(--bg);width:100vw;height:100vh;display:flex;position:relative;overflow:hidden}.left-rail,.right-rail{z-index:20;flex:0 0 var(--rail-width);width:var(--rail-width);background:var(--rail);flex-direction:column;gap:10px;height:100vh;padding:16px;transition:width .16s,flex-basis .16s;display:flex;position:relative;overflow:hidden}.left-rail{border-right:1px solid #202020}.right-rail{border-left:1px solid #202020}.left-rail.is-closed,.right-rail.is-closed{flex-basis:var(--collapsed-width);width:var(--collapsed-width);padding:0}.left-rail.is-closed>:not(.rail-collapse),.right-rail.is-closed>:not(.rail-collapse){display:none}.brand-row{flex:none;align-items:center;gap:10px;height:48px;display:flex}.brand-mark{border:1px solid var(--white);border-radius:50%;place-items:center;width:34px;height:34px;font-size:17px;font-weight:700;display:grid}.brand-word{font-size:20px;font-weight:600}.rail-tabs{flex:none;gap:6px;height:36px;display:flex}.rail-tab{border:1px solid var(--border);background:var(--card);height:36px;color:var(--white);cursor:pointer;border-radius:8px;padding:0 10px;font-size:14px;font-weight:500}.rail-tab.active{background:var(--white);color:var(--bg)}.section-label{color:var(--grey);letter-spacing:.8px;flex:none;font-size:11px;font-weight:700}.current-structure-card,.info-card,.game-card,.unlock-card{border:1px solid var(--border);background:var(--card);border-radius:8px;width:100%}.current-structure-card{padding:10px 12px}.structure-name{text-transform:uppercase;font-size:17px;font-weight:600}.info-card{flex-direction:column;gap:6px;padding:10px 12px;font-size:13px;line-height:1.25;display:flex}.muted{color:var(--grey);font-size:12px;font-weight:400}.rail-footer-hint{color:var(--grey);margin-top:auto;font-size:12px}.viewer{z-index:1;background:#090909;flex:auto;min-width:0;height:100vh;position:relative;overflow:hidden}.cornerstone-mount{background:#4f4f4f;place-items:center;width:100%;height:100%;display:grid;position:absolute;inset:0;overflow:hidden}.viewer-placeholder{color:#d1d1d1;pointer-events:none;font-size:24px;font-weight:500}.question-overlay{z-index:10;width:300px;color:var(--chartreuse);pointer-events:none;background:#0b0b0b;border-radius:6px;padding:9px 14px;position:absolute;top:28px;left:28px}.question-kicker{letter-spacing:1px;margin-bottom:2px;font-size:10px;font-weight:700}.question-main{font-size:22px;font-weight:600}.answer-key{z-index:10;border:1px solid var(--gold);min-height:36px;color:var(--gold);pointer-events:none;background:#0d0d0d;border-radius:6px;align-items:center;gap:8px;padding:0 12px;font-size:11px;font-weight:500;display:flex;position:absolute;bottom:28px;right:28px}.answer-dot{background:var(--gold);border-radius:50%;width:7px;height:7px}.global-controls{flex:none;align-items:center;gap:8px;height:38px;display:flex}.sidebar-account-row{align-items:center;gap:8px;min-height:38px;display:flex}.login-button{border:1px solid var(--border);background:var(--card);height:34px;color:var(--white);cursor:pointer;border-radius:17px;padding:0 10px;font-size:12px;font-weight:500}.xp{margin-right:auto;font-size:13px;font-weight:600}.icon-button,.profile-button{border:1px solid var(--border);background:var(--card);width:34px;height:34px;color:var(--white);cursor:pointer;border-radius:50%}.study-modes{gap:4px;height:40px;display:flex}.study-modes button{border:1px solid var(--border);background:var(--card);color:var(--white);cursor:pointer;border-radius:8px;flex:1;font-size:14px}.study-modes button.active{background:var(--white);color:var(--bg)}.toggle-row{border:1px solid var(--border);background:var(--card);border-radius:8px;justify-content:space-between;align-items:center;height:42px;padding:0 10px 0 12px;font-size:13px;display:flex}.fake-toggle{background:#555;border-radius:10px;width:34px;height:20px;padding:2px}.fake-toggle div{background:var(--white);border-radius:50%;width:16px;height:16px}.fake-toggle.on{background:var(--white);justify-content:flex-end;display:flex}.fake-toggle.on div{background:#111}.text-control{border:1px solid var(--border);background:var(--card);width:100%;min-height:40px;color:var(--white);cursor:pointer;border-radius:8px;padding:0 10px;font-size:14px}.text-control.prominent{border-color:#505050}.game-card{padding:10px 12px}.game-title{margin-bottom:6px;font-size:13px;font-weight:700}.game-title span{color:var(--gold);font-size:12px;font-weight:600}.viewer-tools{gap:8px;display:flex}.viewer-tools button{border:1px solid var(--border);background:var(--card);cursor:pointer;border-radius:8px;width:40px;height:40px;font-size:16px}.more-links{flex-direction:column;align-items:stretch;gap:5px;display:flex}.more-links button{color:var(--grey);text-align:left;cursor:pointer;background:0 0;border:0;padding:0;font-size:12px}.unlock-card{margin-top:auto;padding:7px 10px;font-size:12px;font-weight:600}.unlock-kicker{color:var(--grey);margin-bottom:2px;font-size:10px;font-weight:700}.rail-collapse{z-index:30;border:1px solid var(--border);width:26px;height:52px;color:var(--grey);cursor:pointer;background:#171717;font-size:20px;position:absolute;top:50%;transform:translateY(-50%)}.rail-collapse:hover{color:var(--white)}.rail-collapse-left{border-radius:6px 0 0 6px;right:-1px}.rail-collapse-right{border-radius:0 6px 6px 0;left:-1px}.left-rail.is-closed .rail-collapse-left{right:7px}.right-rail.is-closed .rail-collapse-right{left:7px}@media (width<=2000px) and (orientation:landscape){.left-rail,.right-rail{width:270px;position:absolute;top:0;bottom:0}.left-rail{left:0}.right-rail{right:0}.left-rail.is-closed,.right-rail.is-closed{width:var(--collapsed-width)}.viewer{width:100vw;height:100vh}}@media (orientation:portrait){.janatomy-shell{display:block}.viewer{width:100vw;height:calc(100vh - 52px);position:absolute;inset:52px 0 0}.left-rail,.right-rail{z-index:30;flex-direction:row;align-items:center;width:50%;height:52px;padding:0 8px;position:absolute;top:0;overflow:hidden}.left-rail{left:0}.right-rail{right:0}.left-rail>*,.right-rail>*{display:none}.left-rail .brand-row,.right-rail .global-controls,.left-rail .rail-collapse,.right-rail .rail-collapse{display:flex}.brand-row{height:52px}.rail-collapse{top:26px}.question-overlay{width:auto;max-width:calc(100vw - 32px);top:16px;left:16px}.answer-key{bottom:16px;right:16px}}:root{--rail-width:230px}.question-card{border:1px solid var(--border);background:var(--card);width:100%;color:var(--white);border-radius:8px;padding:12px}.question-type{color:var(--grey);letter-spacing:.8px;margin-bottom:6px;font-size:10px;font-weight:700}.question-text{color:var(--white);margin-bottom:6px;font-size:19px;font-weight:600;line-height:1.15}.xp,.game-title span{color:var(--white)}.answer-key{display:none}@media (width<=2000px) and (orientation:landscape){.left-rail,.right-rail{width:var(--rail-width)}}.right-rail{gap:7px}.right-rail .question-card{padding:9px 10px}.right-rail .toggle-row{height:38px}.right-rail .text-control{min-height:36px}.right-rail .game-card{padding:8px 10px}.right-rail .section-label{line-height:1}.viewer-tools{flex-wrap:wrap}.viewer-tools button{flex:0 0 40px}.left-rail,.right-rail{overscroll-behavior:contain;scrollbar-width:thin;overflow:hidden auto}.rail-tab{justify-content:center;align-items:center;gap:6px;display:flex}.rail-icon-action{text-align:left;justify-content:flex-start;align-items:center;gap:12px;min-height:48px;display:flex}.rail-icon-action>svg{flex:none}.dual-icon{flex:none;align-items:center;gap:2px;min-width:46px;display:flex}.study-action{text-align:left;justify-content:flex-start;align-items:center;gap:10px;display:flex}.study-modes button{justify-content:center;align-items:center;gap:5px;display:flex}.study-modes{grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;height:auto;display:grid}.study-modes button{min-width:0;min-height:34px}.reveal-answer{min-height:48px}.reveal-answer svg{flex:none}