/* Bounded study dialog and the shared emerald teaching surface. */
#qbankModal{--qb-modal-inset:clamp(8px,2.5vw,36px);box-sizing:border-box;padding:var(--qb-modal-inset);background:#18372e66;background-image:none;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);z-index:10000}
#playerShell{position:relative;box-sizing:border-box;--qb-font-scale:1;--sans:Arial,Helvetica,sans-serif;--serif:Arial,Helvetica,sans-serif;--mono:Arial,Helvetica,sans-serif;font-family:Arial,Helvetica,sans-serif}
#playerShell.font-lg{--qb-font-scale:1.2}#playerShell.font-sm{--qb-font-scale:.94}
#playerShell :is(button,summary,a,input,select,textarea){touch-action:manipulation}
#playerShell .qb-brand{color:#0b4a3d;font-weight:800}#playerShell .qb-brand-name{white-space:nowrap;display:inline-block}
#playerShell .qb-exam-close{order:100;flex-shrink:0;min-width:44px;min-height:44px}
#playerShell[data-study-mode="exam"] .qb-exam-close{background:#fff;color:#064b70;border:1px solid #fff9;border-radius:8px}
#playerShell[data-study-mode="tutor"]{width:100%;max-width:1360px;height:min(920px,calc(100dvh - var(--qb-modal-inset)*2));max-height:calc(100dvh - var(--qb-modal-inset)*2);border:1px solid #c2d0ca;border-radius:20px;box-shadow:-6px 12px 40px #123a3038;background:#fffdf8;color:#14342c}
#playerShell[data-study-mode="tutor"] .qb-exam-bar{padding:10px 18px;gap:12px;background:#fffdf8;border-bottom:1px solid #dce7e0}
#playerShell[data-study-mode="tutor"] .qb-exam-tools{gap:6px}
#playerShell[data-study-mode="tutor"] :is(.qb-tool-btn,.qb-mode-btn,.qb-sub-btn,.qb-conf-btns button){font:600 13px/1.3 var(--sans);min-height:44px;color:#0b4a3d;border-radius:10px;padding:8px 12px}
#playerShell[data-study-mode="tutor"] .qb-top-mode-switch{border:1px solid #dce7e0;background:#eef4f0;border-radius:12px;flex-shrink:0}
#playerShell[data-study-mode="tutor"] .qb-mode-btn.on{background:#0b4a3d;color:#fff;box-shadow:none}
#playerShell[data-study-mode="tutor"] .qb-exam-badge{border:0;background:none;color:#52675e;font:12px/1.4 var(--sans);padding:0;letter-spacing:0}
#tutorTools{position:relative}#tutorTools>summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:center;min-height:44px;border:1px solid #cedbd4;border-radius:10px;background:#fff;color:#0b4a3d;font:600 13px var(--sans);padding:8px 14px;box-sizing:border-box}
#tutorTools>summary::-webkit-details-marker{display:none}#tutorTools[open]>summary{background:#e8f2ed}
#tutorToolBody{position:absolute;z-index:40;right:0;top:calc(100% + 8px);width:250px;display:grid;grid-template-columns:1fr 1fr;gap:8px;border:1px solid #c2d5c9;border-radius:14px;padding:12px;background:#fffdf8;box-shadow:-4px 7px 20px #0b4a3d25}
#playerShell[data-study-mode="tutor"] #collapsibleMetaDrawer{position:absolute;z-index:35;top:calc(var(--qb-header-height,80px) + 4px);left:12px;right:12px;max-height:calc(100% - var(--qb-header-height,80px) - var(--qb-footer-height,70px) - 16px);overflow:auto;overscroll-behavior:contain;background:#fffdf8;border:1px solid #c2d5c9;border-radius:14px;box-shadow:-4px 8px 24px #0b4a3d25;padding:18px}
#playerShell[data-study-mode="tutor"] .qb-subbar{background:#fffdf8}#playerShell[data-study-mode="tutor"] .qb-meta-drawer-row{gap:12px}
#playerShell[data-study-mode="tutor"] .qb-family-banner{display:block;flex:none;margin:0;padding:14px 20px 10px;border:0;border-bottom:1px solid #dce7e0;border-radius:0;background:#f5f8f5;color:#173c30}
.qb-family-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:10px}.qb-family-heading strong{display:block;font:600 16px/1.4 var(--sans)}.qb-family-eyebrow{display:block;font:700 10px/1.5 var(--sans);letter-spacing:.09em;color:#526d60;margin-bottom:3px}.qb-family-progress{font:600 12px/1.4 var(--sans);color:#52675e;white-space:nowrap}
.qb-family-navigation{display:flex;align-items:center;justify-content:space-between;gap:10px}.qb-family-navigation>button{min-height:44px;background:#fff;border:1px solid #ccdad1;border-radius:10px;padding:8px 12px;color:#0b4a3d;font:600 12px/1.3 var(--sans);flex:none}.qb-family-navigation :disabled{opacity:.45;cursor:default}
#playerSiblings.qb-family-chips{display:flex;flex-wrap:nowrap;overflow:auto;gap:6px;min-width:0;margin:0;overscroll-behavior:contain;padding:2px}
#playerSiblings .qb-family-chip{display:flex;align-items:center;gap:7px;white-space:nowrap;min-height:44px;padding:8px 14px;border:1px solid #c2d3c7;border-radius:10px;font:600 13px var(--sans);color:#204638;background:#fff;flex:none}
#playerSiblings .qb-family-chip.on{background:#0b4a3d;color:#fff;border-color:#0b4a3d;box-shadow:-2px 3px 7px #0b4a3d20}#playerSiblings .qb-family-chip small{font:10px var(--sans);opacity:.85}.qb-family-guide{font:12px/1.4 var(--sans);color:#52675e;margin:7px 0 0}
#playerShell[data-study-mode="tutor"] .qb-workspace{background:#fff;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
#playerShell[data-study-mode="tutor"] .qb-pane{padding:24px 28px;scroll-padding-top:20px;min-width:0;background:#fff}
#playerShell[data-study-mode="tutor"] .qb-pane-options{background:#fcfcfa;border-left:1px solid #e1e8e2}
#playerShell[data-study-mode="tutor"] .qb-stem-body{font-family:Arial,Helvetica,sans-serif;font-size:calc(16px * var(--qb-font-scale));line-height:1.45;color:#19392e}
#playerShell[data-study-mode="tutor"] .qb-lead-in{font:700 calc(16px * var(--qb-font-scale))/1.55 var(--sans);color:#15372b}
#playerShell[data-study-mode="tutor"] .qb-options-head{font:600 12px/1.4 var(--sans);letter-spacing:0;text-transform:none;align-items:flex-start;gap:12px;color:#476154}
#playerShell[data-study-mode="tutor"] .qb-options-head small{font:11px/1.4 var(--sans);text-transform:none;letter-spacing:0}
#playerShell[data-study-mode="tutor"] .qb-opt-row{background:#fff;border:1px solid #d8e3db;border-radius:12px;box-shadow:-2px 3px 7px #0b4a3d08;padding:13px 14px;gap:10px;min-height:52px}
#playerShell[data-study-mode="tutor"] .qb-opt-text{font:calc(16px * var(--qb-font-scale))/1.55 var(--sans);color:#19392e}
#playerShell[data-study-mode="tutor"] .qb-opt-row.selected{border-color:#0b4a3d;background:#eef6f1;box-shadow:-3px 4px 9px #0b4a3d12}
#playerShell[data-study-mode="tutor"] .qb-opt-row.selected .qb-opt-letter{color:#fff;background:#0b4a3d;border-color:#0b4a3d}
#playerShell[data-study-mode="tutor"] .qb-opt-strike{min-width:38px;min-height:38px;color:#4b6258}
#playerShell[data-study-mode="tutor"] .qb-submit-box{border:0;background:transparent;padding:10px 0 0;margin-top:16px;box-shadow:none}
#playerShell[data-study-mode="tutor"] .qb-conf-row{justify-content:space-between;margin-bottom:12px;gap:10px;font:12px var(--sans)}
#playerShell[data-study-mode="tutor"] .qb-conf-btns button.on{background:#e3eee6;border-color:#0b4a3d}
#playerShell[data-study-mode="tutor"] .qb-btn.em{background:#0b4a3d;color:#fff;border:1px solid #0b4a3d;border-radius:12px;min-height:46px;box-shadow:-2px 3px 7px #0b4a3d1a}
#playerShell .qb-rationale-area{gap:16px;scroll-margin-top:20px;animation:none}
#playerShell :is(.qb-rat-card,.qb-rat-banner){background:#fff;border:1px solid #d6e2d9;border-left:3px solid #0b4a3d;border-radius:14px;padding:18px 20px;box-shadow:-3px 5px 12px #0b4a3d0c}
#playerShell .qb-rat-banner{display:block;background:#f3f7f3}.qb-rat-banner h3{outline-offset:5px}
#playerShell .qb-rat-banner.bad{border-left-color:#a46232;background:#fcf7ee}#playerShell .qb-rat-banner.ok{border-left-color:#0b4a3d;background:#edf5ef}
#playerShell .qb-rat-banner :is(h3,p){font-family:var(--sans);line-height:1.5;color:#173b2d}
#playerShell .qb-pivot-card{background:#edf5ef;border-color:#c8dacc;border-left-color:#0b4a3d}
#playerShell .qb-rat-kicker{font:700 12px/1.45 var(--sans);letter-spacing:.02em;text-transform:none;color:#0b4a3d;margin:0 0 10px}
#playerShell .qb-rat-card p{font:calc(16px * var(--qb-font-scale))/1.65 var(--sans);color:#243f33;margin:0;white-space:pre-line}
#playerShell .qb-help-copy{font:13px/1.5 var(--sans);color:#53665c;margin:0 0 12px}
.qb-distractor-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}.qb-distractor-heading h4{margin:0!important}
#expandDistractorsBtn,.qb-compare-item button{min-height:44px;border:1px solid #cddbd1;border-radius:9px;color:#0b4a3d;background:#fff;font:600 12px/1.3 var(--sans);padding:8px 10px;flex:none}
#playerShell .qb-wrong-item{border:1px solid #dbe4dc;border-radius:10px;margin:8px 0 0;padding:0;background:#fff;overflow:hidden}
#playerShell .qb-wrong-item.picked{border-color:#d4b98e;background:#fffcf5}
.qb-wrong-item summary{display:flex;align-items:flex-start;gap:10px;cursor:pointer;padding:13px 12px;font:600 14px/1.5 var(--sans);color:#294536;list-style:none}
.qb-wrong-item summary::-webkit-details-marker{display:none}.qb-wrong-item summary::after{content:'+';font-size:20px;font-weight:400;margin-left:auto;flex:none}.qb-wrong-item[open] summary::after{content:'−'}
.qb-distractor-letter{flex:none;font-weight:700;min-width:16px;color:#0b4a3d}.qb-wrong-item summary small{display:block;color:#805728;font:600 11px/1.6 var(--sans)}
.qb-distractor-body{padding:0 16px 16px 38px}.qb-why-label{display:block;font:700 12px/1.5 var(--sans);color:#52685a;margin-bottom:5px}
#playerShell .qb-distractor-body p{font-size:14px;line-height:1.65}.qb-distractor-body .qb-right-when{display:block;border-top:1px solid #dfe7df;margin-top:12px!important;padding-top:10px}
.qb-rat-card>summary{font:600 14px/1.5 var(--sans);color:#0b4a3d;cursor:pointer;min-height:24px;padding:4px 0}.qb-rat-card[open]>summary{margin-bottom:12px}
.qb-compare-item{border-top:1px solid #dce5dd;padding:14px 0}.qb-compare-item>b{font:600 14px/1.5 var(--sans)}#playerShell .qb-compare-item p{font-size:14px;margin:8px 0}.qb-compare-item button:disabled{opacity:.5}
.qb-tutor-next{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:6px 0}.qb-tutor-next b{font:600 15px/1.5 var(--sans);color:#0b4a3d}.qb-tutor-next p{font:13px/1.5 var(--sans);color:#52665b;margin:5px 0}.qb-tutor-next button{flex:none}
#playerShell .qb-eco-link{background:#fff;border:1px solid #d6e2d9;min-height:64px;border-radius:10px;box-shadow:none}#playerShell .qb-eco-link b{color:#284638}
#playerShell[data-study-mode="tutor"] .qb-exam-foot{flex:none;gap:12px;padding:12px 18px;background:#fffdf8;border-top:1px solid #dce7df;min-height:68px}
#playerShell[data-study-mode="tutor"] .qb-exam-foot .qb-btn{border-radius:10px;min-height:44px;padding:9px 16px;font:600 13px var(--sans)}
#playerShell[data-study-mode="tutor"] .qb-foot-center{font:12px/1.5 var(--sans);color:#546c5e;max-width:340px}
#qbankModal #playerShell>.qb-labs-drawer{position:absolute;z-index:45;top:calc(var(--qb-header-height,75px) + 8px);bottom:calc(var(--qb-footer-height,65px) + 8px);right:10px;width:min(510px,calc(100% - 20px));height:auto;max-height:none;border:1px solid #c4d3c8;border-radius:14px;background:#fff;box-shadow:-4px 7px 24px #123a3028}
#qbankModal #playerShell>.qb-calc-pop{position:absolute;z-index:46;top:calc(var(--qb-header-height,75px) + 8px);right:12px;width:min(310px,calc(100% - 24px));max-height:calc(100% - var(--qb-header-height,75px) - var(--qb-footer-height,65px) - 16px);overflow:auto}
#playerShell .sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
@media(pointer:coarse){#playerShell[data-study-mode="tutor"] .qb-opt-strike{min-width:44px;min-height:44px}}
@media(max-width:1100px){#playerShell[data-study-mode="tutor"] .qb-exam-bar{flex-wrap:wrap}#playerShell[data-study-mode="tutor"] .qb-exam-tools{margin-left:auto}#playerShell[data-study-mode="tutor"] .qb-pane{padding:22px}#playerShell[data-study-mode="tutor"] .qb-foot-center{display:none}}
@media(max-width:900px){#playerShell[data-study-mode="tutor"] .qb-workspace{display:block;overflow-y:auto;overscroll-behavior:contain}#playerShell[data-study-mode="tutor"] .qb-pane{overflow:visible}#playerShell[data-study-mode="tutor"] .qb-pane-stem{border-right:0;border-bottom:1px solid #dce7df}#playerShell[data-study-mode="tutor"] .qb-pane-options{border-left:0}}
@media(max-width:600px){#qbankModal{--qb-modal-inset:7px;padding:7px}#playerShell[data-study-mode="tutor"],#playerShell[data-study-mode="exam"]{border-radius:12px}#playerShell[data-study-mode="tutor"] .qb-exam-bar{padding:8px;gap:6px}#playerShell[data-study-mode="tutor"] .qb-exam-left{width:100%;justify-content:space-between;gap:6px}#playerShell[data-study-mode="tutor"] .qb-mode-btn{padding:7px;font-size:11px}#playerShell[data-study-mode="tutor"] .qb-exam-badge{font-size:11px}#playerShell[data-study-mode="tutor"] .qb-exam-tools{width:100%;justify-content:space-between;gap:4px}#playerShell[data-study-mode="tutor"] .qb-tool-btn{font-size:12px;padding:7px 9px}#playerShell[data-study-mode="tutor"] .qb-family-banner{padding:10px 12px}.qb-family-heading{margin-bottom:6px;gap:8px}.qb-family-heading strong{font-size:13px;max-height:38px;overflow:auto}.qb-family-eyebrow{font-size:9px}.qb-family-progress{font-size:10px}.qb-family-navigation{display:grid;grid-template-columns:1fr 1fr;gap:6px}.qb-family-navigation #playerSiblings{grid-column:1/-1;grid-row:1;justify-content:flex-start}.qb-family-navigation>button{padding:4px 9px;font-size:11px;min-height:36px}.qb-family-guide{display:none}#playerSiblings .qb-family-chip{padding:7px 10px;font-size:12px;gap:4px}#playerShell[data-study-mode="tutor"] .qb-pane{padding:18px 16px}#playerShell[data-study-mode="tutor"] .qb-exam-foot{padding:8px;min-height:60px}#playerShell[data-study-mode="tutor"] .qb-conf-btns button{padding:7px 10px;font-size:12px}#playerShell :is(.qb-rat-card,.qb-rat-banner){padding:16px 14px}#playerShell .qb-rat-card p{font-size:15px}.qb-distractor-heading{align-items:flex-start;gap:8px}.qb-distractor-heading h4{font-size:12px}.qb-distractor-body{padding-left:14px}.qb-tutor-next{display:block}.qb-tutor-next button{width:100%;margin-top:12px}#tutorToolBody{right:-70px;width:220px}#playerShell .qb-rat-links{grid-template-columns:1fr}}
@media(max-height:500px) and (min-width:601px){#qbankModal{--qb-modal-inset:5px;padding:5px}#playerShell[data-study-mode="tutor"] .qb-exam-bar{padding:4px 8px;flex-wrap:nowrap}#playerShell[data-study-mode="tutor"] .qb-exam-badge{display:none}#playerShell[data-study-mode="tutor"] .qb-exam-left{flex-shrink:0}#playerShell[data-study-mode="tutor"] .qb-mode-btn{font-size:11px;padding:5px}#playerShell[data-study-mode="tutor"] .qb-family-banner{padding:6px 12px}.qb-family-heading,.qb-family-guide{display:none}.qb-family-navigation>button{font-size:11px;padding:5px 8px}#playerShell[data-study-mode="tutor"] .qb-exam-foot{padding:5px 10px;min-height:54px}#playerShell[data-study-mode="tutor"] .qb-tool-btn{padding:5px 7px;font-size:11px}}
@media(prefers-reduced-motion:reduce){#playerShell *,#playerShell *::before,#playerShell *::after{animation:none!important;scroll-behavior:auto!important}}

/* Match the exam reference's default clinical reading typography in both modes. */
#playerShell :is(.qb-rat-card p,.qb-distractor-body p,.qb-rat-banner p,.qb-compare-item p){font-family:Arial,Helvetica,sans-serif;font-size:calc(16px * var(--qb-font-scale));line-height:1.45}
#playerShell[data-study-mode='tutor'] :is(.qb-opt-text,.qb-lead-in){font-family:Arial,Helvetica,sans-serif;font-size:calc(16px * var(--qb-font-scale));line-height:1.45}
@media(pointer:coarse){.qb-family-navigation>button{min-height:44px}}

#playerShell #blocksArea:not(:empty){display:block;margin:18px 0}.qb-clinical-exhibit{margin:0;padding:12px;border:1px solid #cedbd2;border-radius:12px;background:#fff;overflow:hidden}.qb-clinical-exhibit :is(img,video){display:block;max-width:100%;width:100%;height:auto;max-height:440px;object-fit:contain;background:#fff}.qb-clinical-exhibit figcaption{display:flex;align-items:center;justify-content:space-between;gap:10px;font:12px Arial;color:#42594d;margin-top:10px}.qb-clinical-exhibit button{min-height:44px;border:1px solid #c2d1c8;border-radius:8px;background:white;color:#0b4a3d;padding:8px 12px;font:600 13px Arial}.qb-media-dialog{width:min(1200px,calc(100vw - 24px));padding:18px}.qb-media-dialog #mediaDialogContent{position:relative;max-height:70dvh;overflow:auto;background:#fff;touch-action:pan-x pan-y pinch-zoom}.qb-media-dialog img{display:block;max-height:68dvh;max-width:100%;height:auto;width:auto;object-fit:contain;margin:auto}.qb-media-dialog .actual-size img{max-width:none;max-height:none;min-width:100%;margin:0}.qb-media-dialog #mediaDialogForensic{position:absolute;inset:0;pointer-events:none}.qb-media-dialog footer{font:11px Arial;gap:16px}.qb-media-dialog header h2{font:600 18px Arial}@media(max-height:500px){.qb-media-dialog #mediaDialogContent{max-height:55dvh}.qb-media-dialog img{max-height:53dvh}}
.qb-media-credit{display:block;font:11px/1.5 Arial;color:#52685a;margin-top:10px;overflow-wrap:anywhere}
#mediaLicenseLabel{color:#52685a}
@media(max-width:600px){#playerShell[data-study-mode="tutor"] .qb-exam-tools{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1.25fr) 44px;gap:4px;align-items:center}#playerShell[data-study-mode="tutor"] .qb-exam-tools>#flagBtn{grid-column:1;grid-row:1;min-width:0;white-space:normal}#playerShell[data-study-mode="tutor"] #tutorTools{grid-column:2;grid-row:1}#playerShell[data-study-mode="tutor"] .qb-exam-tools>#metaToggleBtn{grid-column:3;grid-row:1;min-width:0;white-space:normal}#playerShell[data-study-mode="tutor"] .qb-exam-tools>#closePlayerBtn{grid-column:4;grid-row:1;margin:0;width:44px;padding:0}}