:root{--bg:#061014;--panel:#0b1b20;--panel2:#10242a;--line:#234048;--line2:#31545c;--text:#eef7f6;--muted:#8da6ab;--teal:#78d8d1;--teal2:#b7f0eb;--amber:#f3c56d;--red:#f08a76;--green:#8ee0bb;--shadow:0 14px 38px rgba(0,0,0,.26)}*{box-sizing:border-box}[hidden]{display:none!important}html,body{height:100%;margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;overflow:hidden}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.35;cursor:default}a{color:var(--teal2)}#app-shell{height:100vh;display:grid;grid-template-rows:58px 52px minmax(0,1fr) 28px;background:radial-gradient(circle at 40% -20%,#10272d 0,#071317 42%,#050a0c 100%)}.topbar{display:flex;align-items:center;gap:22px;padding:0 20px;border-bottom:1px solid #17343c;background:rgba(4,14,18,.96)}.brand{display:flex;align-items:center;gap:10px;min-width:240px}.brand-mark{width:30px;height:30px;border:1px solid #4f8b89;border-radius:9px;display:grid;place-items:center;color:var(--teal)}.brand b{display:block;font-size:18px}.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.1em;text-transform:uppercase}.modules{display:flex;gap:7px;flex:1}.module-tab{border:1px solid transparent;background:transparent;color:#99afb3;border-radius:9px;padding:8px 12px;font-weight:700}.module-tab.active{background:#123239;border-color:#3a686a;color:#efffff}.quiet-btn,.text-btn{border:0;background:transparent;color:#aac0c4}.quiet-btn:hover,.text-btn:hover{color:var(--text)}.modebar{display:flex;align-items:center;gap:16px;padding:7px 20px;border-bottom:1px solid #17333a;background:#08161a}.segmented{display:flex;border:1px solid #29454d;border-radius:10px;overflow:hidden}.segmented button{border:0;border-right:1px solid #29454d;background:#0a1b20;color:#98adb1;padding:8px 15px;font-weight:800}.segmented button:last-child{border-right:0}.segmented button.active{background:#1a4147;color:#f0fffd}.lessons{display:flex;gap:5px;flex:1;min-width:0}.lessons button{height:36px;border:1px solid #223d44;background:#0a1a1f;color:#89a0a5;border-radius:9px;padding:5px 9px;display:flex;align-items:center;gap:6px;font-size:12px;font-weight:700;white-space:nowrap}.lessons button b{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;background:#123239;color:var(--teal)}.lessons button.active{border-color:#447778;background:#112c31;color:#eafffd}.mode-actions{display:flex;align-items:center;gap:10px}.toggle{display:flex;align-items:center;gap:6px;color:#9db1b5;font-size:12px}.primary-btn,.secondary-btn{border-radius:9px;padding:9px 13px;font-weight:800}.primary-btn{border:1px solid #90e3de;background:linear-gradient(#7ed9d3,#5bbdb8);color:#041315}.secondary-btn{border:1px solid #36565d;background:#0d2329;color:#dce9e9}.wide{width:100%}.workspace{min-height:0;display:grid;grid-template-columns:minmax(0,1.78fr) minmax(320px,.72fr);gap:10px;padding:10px 12px}.sim-column{min-height:0;display:grid;grid-template-rows:minmax(0,1fr) 154px;gap:10px}.eye-card,.control-dock,.side-panel{border:1px solid var(--line);border-radius:15px;background:linear-gradient(180deg,rgba(12,29,35,.98),rgba(7,20,25,.98));box-shadow:var(--shadow)}.eye-card{position:relative;min-height:0;overflow:hidden;padding:8px}.eye-card canvas{width:100%;height:100%;display:block;border-radius:10px;background:#020405;cursor:ew-resize}.eye-badges{position:absolute;left:18px;top:16px;display:flex;gap:8px}.eye-badges span{background:rgba(4,14,18,.78);backdrop-filter:blur(6px);border:1px solid #29464d;border-radius:999px;padding:6px 9px;font-size:11px;color:#bad0d2}.eye-badges #motion-badge{color:var(--teal2);font-weight:800}.eye-help{position:absolute;left:50%;bottom:13px;transform:translateX(-50%);background:rgba(3,10,13,.72);border:1px solid #233f47;border-radius:999px;padding:5px 10px;color:#819a9f;font-size:10px;white-space:nowrap}.control-dock{display:grid;grid-template-columns:1.55fr .72fr .66fr;gap:0;overflow:hidden}.dock-group{padding:13px 14px;border-right:1px solid #1d363d;min-width:0}.dock-group:last-child{border-right:0}.dock-title{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:10px}.dock-title span{font-weight:800}.dock-title small{color:#718c91;font-size:10px}.dock-controls{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.step-control label{display:block;color:#a9bdc0;font-size:11px;font-weight:700;margin-bottom:5px}.step-control>div,.streak-controls{display:grid;grid-template-columns:34px 1fr 34px;gap:5px}.step-control button,.streak-controls button,.presets button{border:1px solid #2a4850;background:#0a1a1f;color:#b8cbce;border-radius:8px;font-weight:800}.step-control output,.streak-controls output{display:grid;place-items:center;min-height:37px;border:1px solid #29464d;border-radius:8px;background:#07161a;color:var(--teal2);font-weight:900}.streak-controls{grid-template-columns:48px 1fr 48px}.presets{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;margin-top:7px}.presets button{padding:5px 2px;font-size:10px}.wd-group select{width:100%;border:1px solid #2b4850;background:#07161a;color:var(--text);border-radius:9px;padding:10px}.side-panel{min-height:0;padding:18px;overflow:hidden}.panel-view{height:100%;display:flex;flex-direction:column;min-height:0}.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.eyebrow,.live-label{font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--teal);font-weight:900}.side-panel h1{font-size:23px;line-height:1.16;letter-spacing:-.03em;margin:5px 0 10px}.side-panel h2{font-size:20px;margin:7px 0 10px}.lesson-body{color:#b6c9cb;font-size:14px;line-height:1.52}.lesson-body p{margin:0 0 9px}.lesson-body strong{color:#f0f8f8}.baby-box{border:1px solid #31525a;background:#0a1b20;border-radius:11px;padding:12px;margin:9px 0}.baby-box .pair{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px}.baby-box .power{border:1px solid #294850;background:#07161a;border-radius:9px;padding:8px;text-align:center}.baby-box .power span{display:block;color:#82999e;font-size:10px}.baby-box .power b{font-size:19px;color:var(--teal2)}.rule{border-left:3px solid var(--amber);background:#171c1d;border-radius:8px;padding:9px 11px;margin-top:9px;color:#e5d3aa}.live-card{margin-top:auto;border:1px solid #2d4e56;border-radius:11px;background:#0a1c22;padding:12px}.live-card strong{display:block;margin-top:3px;font-size:16px}.live-card p{margin:4px 0 0;color:#98afb3;font-size:12px}.learn-actions{display:flex;gap:8px;margin-top:10px}.patient-grid,.answer-box{display:grid;grid-template-columns:1fr 1fr 1fr;gap:7px}.patient-grid label,.answer-box label{color:#8fa6aa;font-size:10px}.patient-grid input,.answer-box input{width:100%;margin-top:4px;border:1px solid #2b4850;background:#07161a;color:var(--text);border-radius:8px;padding:9px}.refractive-summary{margin-top:10px;border:1px solid #294850;border-radius:10px;padding:10px;background:#08181d}.refractive-summary span{display:block;color:#799197;font-size:10px;text-transform:uppercase}.refractive-summary strong{display:block;color:var(--teal2);font-size:20px;margin-top:2px}.small-note,.hidden-patient{color:#7e979c;font-size:11px}.hidden-patient{border:1px solid #3d4747;border-radius:999px;padding:4px 7px}.panel-copy,.explore-tip{color:#9aafb3;font-size:13px}.explore-tip{margin-top:10px;border-left:3px solid var(--amber);padding:8px 10px;background:#151b1c;border-radius:7px}.feedback{margin-top:10px;border-radius:9px;padding:10px;font-size:12px}.feedback.neutral{border:1px solid #29464d;background:#08181d;color:#8fa7ab}.feedback.good{border:1px solid #32634f;background:rgba(37,100,75,.2);color:#b4ead0}.feedback.bad{border:1px solid #714b3d;background:rgba(122,62,45,.18);color:#efb9a9}.creditbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:0 14px;border-top:1px solid #173239;background:#050d10;color:#617a80;font-size:9.5px}.creditbar a{color:#7faeae}.modal{position:fixed;inset:0;z-index:50;background:rgba(1,7,9,.72);backdrop-filter:blur(6px);display:grid;place-items:center;padding:20px}.modal-card{width:min(760px,94vw);background:#0b1c21;border:1px solid #31535b;border-radius:17px;box-shadow:0 30px 80px rgba(0,0,0,.55);padding:22px}.modal-head{display:flex;align-items:flex-start;justify-content:space-between}.modal-head h2{margin:5px 0 12px}.close-modal{border:0;background:transparent;color:#9fb5b9;font-size:28px}.big-example{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:center}.big-example>div:not(.plus-sign){border:1px solid #2e5159;background:#07171b;border-radius:12px;padding:13px;text-align:center}.big-example span{display:block;color:#879ea3}.big-example strong{font-size:24px;color:var(--teal2)}.plus-sign{font-size:24px;color:#758d92}.big-rule{text-align:center;color:#f2dfb0}.glossary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.glossary-grid article{border:1px solid #243f46;border-radius:9px;padding:10px;background:#08181d}.glossary-grid b{color:#dceaea}.glossary-grid p{margin:3px 0 0;color:#90a7ab;font-size:12px}.mini-example{margin-top:12px;padding:10px;border-radius:9px;background:#112328;color:#afc4c6;font-size:13px}.about-card p{color:#aac0c3;line-height:1.55}@media(max-width:1100px){#app-shell{grid-template-rows:58px 88px minmax(0,1fr) 28px}.modebar{align-items:flex-start;flex-wrap:wrap}.lessons{order:3;width:100%}.workspace{grid-template-columns:1fr .7fr}.control-dock{grid-template-columns:1fr 1fr}.wd-group{display:none}.dock-title small{display:none}.side-panel h1{font-size:19px}.glossary-grid{grid-template-columns:1fr 1fr}}@media(max-height:760px){.sim-column{grid-template-rows:minmax(0,1fr) 132px}.control-dock{font-size:12px}.dock-group{padding:9px}.side-panel{padding:13px}.side-panel h1{font-size:19px}.lesson-body{font-size:12.5px}.eye-help{display:none}.creditbar{font-size:8px}}

/* v1.3 reviewed controls: exact 1-degree axis/streak adjustment without adding page height. */
.angle-control{display:grid!important;grid-template-columns:32px 32px minmax(46px,1fr) 32px 32px!important;gap:3px!important;align-items:center}
.angle-control button{min-width:0;padding:0 2px;font-size:10px;height:37px;border:1px solid #2a4850;background:#0a1a1f;color:#b8cbce;border-radius:8px;font-weight:800}
.angle-control input{width:100%;min-width:0;height:37px;border:1px solid #29464d;border-radius:8px;background:#07161a;color:var(--teal2);font-weight:900;text-align:center;padding:0 2px;appearance:textfield;-moz-appearance:textfield}
.angle-control input::-webkit-outer-spin-button,.angle-control input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.angle-step label{display:flex;justify-content:space-between;gap:5px}.microhelp{font-size:9px;color:#667f84;font-weight:600}
.streak-controls{grid-template-columns:32px 32px minmax(48px,1fr) 32px 32px!important}
@media(max-width:1250px){.angle-control{grid-template-columns:29px 29px minmax(42px,1fr) 29px 29px!important}.angle-control button{font-size:9px}.dock-controls{gap:6px}.dock-group{padding-left:10px;padding-right:10px}}
.guide-note{margin-top:8px;padding:8px 10px;border-left:3px solid #31545c;background:#09191e;border-radius:7px;color:#91a9ad;font-size:11.5px}

/* v1.4: keep actions reachable while preserving the one-screen workspace. */
.panel-view{min-height:0}
#learn-panel .lesson-body{flex:1 1 auto;min-height:0;overflow:auto;padding-right:4px}
#learn-panel .live-card{margin-top:8px;flex:0 0 auto}
#learn-panel .learn-actions{flex:0 0 auto;margin-top:8px;padding-top:2px;background:linear-gradient(180deg,rgba(7,20,25,0),rgba(7,20,25,.92) 26%)}
#learn-panel .learn-actions button{min-height:38px;flex:1}
.panel-tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.panel-tools .text-btn{font-size:11px;padding:2px 0}
.readings-btn{padding:7px 10px!important;white-space:nowrap}.readings-btn span{display:inline-grid;place-items:center;min-width:32px;margin-left:4px;border-radius:999px;background:#09262a;color:var(--teal2);font-size:10px;padding:2px 5px}
.modal-card{max-height:min(88vh,820px);overflow:auto}.modal-intro{color:#a8bec1;line-height:1.5;margin:4px 0 13px}.modal-cta{margin-top:12px}.intuitive-glossary article p strong{color:var(--teal2)}
.readings-card{width:min(760px,94vw)}.current-reading{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;align-items:center;border:1px solid #2b4c54;background:#07171b;border-radius:11px;padding:11px 13px}.current-reading>span{grid-row:1/3;color:#7f989d;font-size:10px;text-transform:uppercase;letter-spacing:.1em}.current-reading strong{color:var(--teal2)}.current-reading small{color:#8da5aa}.reading-actions{display:flex;gap:8px;margin-top:10px}.reading-actions button{flex:1}.readings-list{display:grid;gap:7px;margin-top:10px}.reading-row{display:grid;grid-template-columns:30px 1fr 1.2fr;gap:10px;align-items:center;border:1px solid #27464e;background:#08191e;border-radius:10px;padding:9px 10px}.reading-row>b{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#12343a;color:var(--teal)}.reading-row div span,.reading-row div small{display:block;color:#789096;font-size:10px}.reading-row div strong{display:block;color:#e7f3f3;margin:1px 0}.empty-readings{border:1px dashed #29464d;border-radius:9px;padding:14px;text-align:center;color:#779096}.logged-calculation{margin-top:10px;border:1px solid #397068;background:#0b2528;border-radius:11px;padding:11px}.logged-calculation.invalid{border-color:#6d5141;background:#231a16}.calc-line{display:flex;justify-content:space-between;gap:16px;border-top:1px solid rgba(255,255,255,.07);padding:7px 0}.calc-line:first-of-type{margin-top:6px}.calc-line span{color:#b8cbcd;text-align:right}.calc-final{display:flex;justify-content:space-between;align-items:center;margin-top:4px;border-radius:8px;background:#07171a;padding:9px 10px}.calc-final span{color:#8fa6aa}.calc-final strong{font-size:18px;color:var(--teal2)}.rx-link-btn{display:block;margin:9px auto 0;color:var(--teal2)}
.rx-tutorial-card{width:min(820px,94vw)}.rx-readings-example{display:grid;grid-template-columns:1fr 1fr;gap:10px}.rx-readings-example>div{border:1px solid #2c4d55;background:#07171b;border-radius:10px;padding:11px;text-align:center}.rx-readings-example span{display:block;color:#839ca1;font-size:11px}.rx-readings-example strong{font-size:21px;color:var(--teal2)}.rx-steps{margin:12px 0 0;padding-left:24px;display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}.rx-steps li{padding:6px 4px}.rx-steps li::marker{color:var(--teal);font-weight:900}.rx-steps p{margin:3px 0 0;color:#a6bbbe;font-size:12px}.rx-final-example{display:flex;justify-content:space-between;align-items:center;background:#0c292d;border:1px solid #3f7572;border-radius:11px;padding:11px 13px}.rx-final-example span{color:#99b0b4}.rx-final-example strong{font-size:20px;color:#eafffd}.rx-memory{margin-top:10px;padding:9px 11px;border-left:3px solid var(--amber);background:#191d1d;border-radius:8px;color:#d8caa6}.actual-rx-example{margin-top:10px;border:1px solid #31535b;background:#091b20;border-radius:10px;padding:10px}.actual-rx-example p{margin:4px 0;color:#afc2c5}
@media(max-height:760px){#learn-panel .lesson-body{font-size:12px;line-height:1.38}.side-panel h1{margin-bottom:6px}.live-card{padding:9px}.learn-actions{margin-top:6px}.panel-tools .text-btn{font-size:10px}}
@media(max-width:1100px){.readings-btn{order:2}.panel-tools{gap:5px}.rx-steps{grid-template-columns:1fr}.glossary-grid{grid-template-columns:1fr 1fr}}

/* module host */
#app-shell{grid-template-rows:58px minmax(0,1fr) 28px}
.module-screen{min-height:0;display:grid;grid-template-rows:52px minmax(0,1fr)}
@media(max-width:1100px){#app-shell{grid-template-rows:58px minmax(0,1fr) 28px}.module-screen{grid-template-rows:88px minmax(0,1fr)}}

/* ==========================================================================
   Strabismus module (v1.13 rebuild)
   One layer of rules; earlier v1.6–v1.11 override layers were removed.
   ========================================================================== */
.strabismus-modebar{gap:12px}
#alignment-module,#alignment-module .strabismus-modebar,#alignment-module .strabismus-workspace{min-width:0;max-width:100%}
#alignment-module .strabismus-presets{min-width:0;flex:1 1 0}
.strabismus-presets{overflow-x:auto;scrollbar-width:none}
.strabismus-presets::-webkit-scrollbar{display:none}

.strabismus-workspace{grid-template-columns:minmax(0,1.62fr) minmax(340px,.74fr)}
.strabismus-sim-column{grid-template-rows:minmax(0,1fr) auto}

/* stage ------------------------------------------------------------------ */
.strabismus-patient-card{padding:0;background:#081418}
#strabismus-face{display:block;width:100%;height:100%;user-select:none;-webkit-user-select:none}
.s-globe,.s-reflex{transition:transform .18s cubic-bezier(.25,.8,.3,1)}
#s-occluder{transition:transform .28s cubic-bezier(.3,.7,.2,1)}
#s-prism{transition:transform .26s cubic-bezier(.3,.7,.2,1),opacity .2s ease}
#s-prism-shape{transition:transform .2s ease}
#s-prism-label{transition:transform .26s cubic-bezier(.3,.7,.2,1),opacity .2s ease;pointer-events:none}
.s-seg .ls{display:none}
.s-scroll.has-more{-webkit-mask-image:linear-gradient(to bottom,#000 calc(100% - 28px),transparent);mask-image:linear-gradient(to bottom,#000 calc(100% - 28px),transparent)}
#s-fixation-target{transition:transform .32s cubic-bezier(.3,.7,.2,1)}
#strabismus-face .s-tool{cursor:grab;touch-action:none}
#strabismus-face .s-tool.dragging{cursor:grabbing;transition:none}
#s-stage.see-through .s-occ-part{fill-opacity:.4}

.s-stage-top{position:absolute;top:12px;left:12px;right:12px;display:flex;justify-content:space-between;align-items:flex-start;gap:10px;pointer-events:none}
.s-stage-top>*{pointer-events:auto}
.s-pill,.s-eye-tag{background:rgba(4,14,18,.78);backdrop-filter:blur(6px);border:1px solid #29464d;border-radius:999px;padding:6px 11px;font-size:11.5px;color:#cfe2e3;font-weight:700}
.s-view-tools{display:flex;gap:6px}
.s-chip{border:1px solid #2d4c53;background:rgba(4,14,18,.78);backdrop-filter:blur(6px);color:#b3c8cb;border-radius:999px;padding:6px 12px;font-size:11.5px;font-weight:700}
.s-chip:hover{color:#effffd;border-color:#4a7c80}
.s-chip[aria-pressed="true"]{background:#174047;border-color:#62b6b0;color:#effffd}
.s-eye{transition:transform .18s cubic-bezier(.25,.8,.3,1)}
.s-eye-tag{position:absolute;bottom:12px;font-size:11px;font-weight:600;color:#9fb8bc;padding:5px 10px}
.s-eye-tag-od{left:12px}.s-eye-tag-os{right:12px}
.strabismus-patient-card .eye-help{bottom:12px;font-size:10.5px}

/* dock ------------------------------------------------------------------- */
.strabismus-dock{display:grid;grid-template-columns:minmax(0,1fr) auto;padding:12px 14px;gap:16px;overflow:hidden}
.s-dock-main{display:grid;gap:8px;min-width:0}
.s-row{display:grid;grid-template-columns:70px minmax(0,1fr);align-items:center;gap:10px;min-height:36px}
.s-row-label{font-size:12px;font-weight:800;color:#dceaea}
.s-seg{display:flex;border:1px solid #29454d;border-radius:9px;overflow:hidden;min-width:0}
.s-seg button{flex:1 1 auto;min-width:0;border:0;border-right:1px solid #29454d;background:#0a1b20;color:#9db2b6;padding:9px 10px;font-size:12.5px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.s-seg button:last-child{border-right:0}
.s-seg button:hover{color:#effffd;background:#0f252b}
.s-seg button.active{background:#1a4147;color:#f0fffd;box-shadow:inset 0 -2px 0 var(--teal)}
.s-seg.s-mini{flex:0 0 auto}
.s-seg.s-mini button{flex:0 0 auto;padding:7px 11px}
.s-cover-buttons{display:flex;gap:6px;align-items:center;min-width:0}
.s-cover-buttons button,.s-stepper button,.s-gaze-pad button{border:1px solid #2b4951;background:#0a1a1f;color:#cfe0e2;border-radius:8px;font-weight:700}
.s-cover-buttons button{padding:8px 14px;font-size:12.5px;white-space:nowrap}
.s-cover-buttons button:hover,.s-stepper button:hover,.s-gaze-pad button:hover{border-color:#4a7c80;background:#10292f;color:#fff}
.s-cover-buttons button.on{background:#1a4147;border-color:#62b6b0;color:#f0fffd}
.s-cover-buttons .s-accent-btn{margin-left:auto;border-color:#3f7275;color:var(--teal2)}
.s-cover-buttons .s-accent-btn+.s-accent-btn{margin-left:0}
.s-cover-buttons .s-accent-btn.active{background:#1f5256;border-color:var(--teal);color:#f0fffd}
.s-prism-row{display:flex;align-items:center;gap:10px;min-width:0}
.s-stepper{display:flex;align-items:center;gap:4px}
.s-stepper button{width:36px;height:32px;padding:0;font-size:12px}
.s-stepper output{min-width:62px;height:32px;display:grid;place-items:center;border:1px solid #3c6970;background:#081c21;border-radius:8px;color:var(--teal2);font-weight:900;font-size:14px}
.s-next-hint{margin:0;font-size:12.5px;color:#a9c0c3;line-height:1.35;display:flex;align-items:center;gap:8px;min-width:0}
.s-next-hint::before{content:"";flex:0 0 7px;height:7px;border-radius:50%;background:var(--teal)}
.s-next-hint.quiet::before{background:#3d5a60}

.s-gaze-group{border-left:1px solid #1d363d;padding-left:16px;display:flex;flex-direction:column;justify-content:center;gap:6px}
.s-gaze-title{display:flex;align-items:baseline;gap:8px}
.s-gaze-title span{font-size:12px;font-weight:800;color:#dceaea}
.s-gaze-title small{font-size:10.5px;color:#718c91}
.s-gaze-pad{display:grid;grid-template-columns:repeat(3,44px);gap:4px}
.s-gaze-pad button{height:30px;padding:0;font-size:15px}
.s-gaze-pad button.active{background:#1a4147;border-color:var(--teal);color:#f0fffd}
.s-gaze-sides{display:flex;justify-content:space-between;font-size:10px;color:#6f898e}

/* side panel ------------------------------------------------------------- */
.strabismus-side-panel{padding:16px 18px}
.strabismus-side-panel .panel-head{margin-bottom:6px}
.s-scroll{flex:1 1 auto;min-height:0;overflow:auto;padding-right:8px;margin-right:-8px;scrollbar-width:thin;scrollbar-color:#2b4a51 transparent}
.strabismus-side-panel h1{font-size:21px;line-height:1.2;letter-spacing:-.02em;margin:4px 0 8px}
.strabismus-side-panel h2{font-size:19px;line-height:1.25;margin:4px 0 8px}
.strabismus-side-panel .lesson-body{font-size:13.5px;line-height:1.5}
.s-block{margin-top:14px}
.s-block-title{font-size:12.5px;font-weight:800;color:#dceaea;margin:0 0 6px}
.s-block-head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px}
.s-block-head .s-block-title{margin:0}
.s-muted{color:#8fa7ab}

.s-steps{list-style:none;margin:0;padding:0;counter-reset:sstep}
.s-steps li{counter-increment:sstep;display:grid;grid-template-columns:22px 1fr;gap:10px;align-items:start;padding:7px 0;border-top:1px solid #16323a;font-size:13px;line-height:1.4;color:#a6bcbf}
.s-steps li:first-child{border-top:0}
.s-steps li::before{content:counter(sstep);width:22px;height:22px;border-radius:50%;border:1px solid #33575f;display:grid;place-items:center;font-size:11px;font-weight:800;color:#8fb3b3}
.s-steps li.current{color:#eefaf9}
.s-steps li.current::before{border-color:var(--teal);color:var(--teal2);box-shadow:0 0 0 3px rgba(120,216,209,.12)}
.s-steps li.done{color:#7f9ca0}
.s-steps li.done::before{content:"✓";background:var(--teal);border-color:var(--teal);color:#062024}
.s-steps li.all-done{grid-template-columns:1fr;color:var(--green);font-weight:700}
.s-steps li.all-done::before{display:none}

.s-nine-map{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px}
.s-map-cell{border:1px solid #25444b;border-radius:8px;background:#08191e;padding:6px 8px;min-height:48px;cursor:pointer;display:flex;flex-direction:column;justify-content:center;gap:1px;text-align:left;color:inherit;font:inherit}
.s-map-cell:hover{border-color:#46757b}
.s-map-cell.active{border-color:var(--teal);background:#113137}
.s-map-cell b{font-size:10.5px;font-weight:700;color:#8ea8ac}
.s-map-cell span{font-size:12.5px;font-weight:800;color:#eafcfb;line-height:1.2}
.s-map-cell span.flat{color:#6f8a8f;font-weight:600}
.s-map-cell span.hot{color:var(--amber)}
.s-map-cell small{font-size:10.5px;color:#7f999e;line-height:1.2}
.s-map-axis{display:flex;justify-content:space-between;margin-top:5px;font-size:10.5px;color:#6f898e}

.s-observe{margin-top:10px;flex:0 0 auto;padding:11px 12px}
.s-observe-list{list-style:none;margin:5px 0 0;padding:0;min-height:40px}
.s-observe-list li{font-size:12.5px;line-height:1.4;color:#e1f0f0;padding:2px 0}
.s-ev.main{padding-bottom:4px}
.s-ev-title{display:block;font-size:12.5px;color:#f2fbfa;margin-bottom:3px}
.s-ev-eyes{display:grid;gap:2px;margin-bottom:3px}
.s-ev-eye{display:grid;grid-template-columns:24px 66px 1fr;align-items:center;gap:6px;font-size:12px}
.s-ev-tag{font-weight:800;color:#dceaea}
.s-st{font-size:10.5px;font-weight:800;border-radius:999px;padding:1px 7px;text-align:center;border:1px solid transparent}
.s-st-fixing{color:#062024;background:var(--teal)}
.s-st-turned{color:#2a1a04;background:var(--amber)}
.s-st-straight{color:#cfe6e4;border-color:#35585f}
.s-st-covered{color:#b9cbcd;background:#1a3238;border-color:#2c4a51}
.s-ev-txt{color:#d4e6e6}
.s-ev.old{font-size:11.5px;color:#7f999e;border-top:1px solid #16323a;padding-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.s-ev.old b{color:#9db5b8;font-weight:700}
.s-observe-list li .s-why{display:block;color:var(--teal2);font-size:12px;line-height:1.38}
.s-observe-list li.empty{color:#7b9499}
.s-reveal{margin-top:8px;border-top:1px solid #1f3d44;padding-top:7px}
.s-reveal summary{cursor:pointer;font-size:12px;color:#8fb0b3;font-weight:700}
.s-reveal summary:hover{color:var(--teal2)}
.s-reveal p{margin:6px 0 0;font-size:12.5px}
#s-exam-steps li{font-size:12.5px}
#s-live-title{font-size:14px;font-weight:800;color:#effaf9}

.s-explore-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px 10px}
.s-explore-grid label,.s-test-grid label{font-size:11.5px;font-weight:600;color:#9ab1b5}
.s-explore-grid select,.s-explore-grid input,.s-test-grid select{width:100%;margin-top:4px;border:1px solid #2b4850;background:#07161a;color:var(--text);border-radius:8px;padding:7px 8px}
.s-explore-grid small{display:block;margin-top:3px;color:#6d888d;font-size:10.5px;font-weight:500}
.s-custom-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:8px}
.s-custom-head b{color:var(--teal2);font-size:14px}
.s-custom-head span{font-size:11px;color:#728b90}
.s-summary{margin:12px 0 0;padding:9px 12px;border-left:3px solid var(--teal);background:#0a1c21;border-radius:0 8px 8px 0;font-size:13px;color:#d8ecec;line-height:1.4}

.s-score{font-size:11.5px;font-weight:700;color:var(--teal2);border:1px solid #2d5057;border-radius:999px;padding:4px 10px}
.s-test-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px 8px;margin-top:12px}
.s-span-all{grid-column:1/-1}
.s-test-actions{flex:0 0 auto;margin-top:10px}
.s-test-actions .feedback{margin-top:0;line-height:1.45}
.s-test-buttons{display:grid;grid-template-columns:1fr auto;gap:8px;margin-top:8px}

/* glossary --------------------------------------------------------------- */
.s-terms-card{width:min(1100px,94vw);height:min(820px,90vh);max-height:90vh;display:flex;flex-direction:column}
.s-terms-tabs.searching button.active{background:transparent;color:inherit;border-color:inherit;box-shadow:none}
.s-terms-card .modal-intro{margin-bottom:12px}
.s-terms-tools{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-bottom:12px}
.s-terms-tabs button{padding:8px 14px;font-size:12.5px}
#s-terms-search{flex:0 1 260px;border:1px solid #2b4850;background:#07161a;color:var(--text);border-radius:999px;padding:8px 14px;font:inherit;font-size:13px}
#s-terms-search:focus{outline:2px solid var(--teal);outline-offset:1px}
.s-terms-body{overflow:auto;min-height:0;flex:1 1 auto;padding-right:6px;scrollbar-width:thin;scrollbar-color:#2b4a51 transparent}
.s-terms-section+.s-terms-section{margin-top:18px}
.s-terms-section h3{margin:0 0 8px;font-size:13px;color:var(--teal);letter-spacing:.02em}
.s-terms-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.s-terms-grid-wide{grid-template-columns:repeat(2,minmax(0,1fr))}
.s-term{border:1px solid #1d3940;border-radius:10px;background:#081a1f;padding:11px 13px;transition:border-color .3s,box-shadow .3s}
.s-term h4{margin:0 0 4px;font-size:13.5px;font-weight:800;color:#e7f4f4}
.s-term p{margin:0;font-size:12.5px;line-height:1.5;color:#9fb6ba}
.s-term p+p,.s-term table+p{margin-top:6px}
.s-term strong{color:var(--teal2)}
.s-term.flash{border-color:var(--teal);box-shadow:0 0 0 3px rgba(120,216,209,.18)}
.s-terms-table{width:100%;border-collapse:collapse;margin-top:8px;font-size:12px}
.s-terms-table th{text-align:left;font-weight:700;color:#8fb0b3;border-bottom:1px solid #264650;padding:4px 6px}
.s-terms-table td{color:#d4e6e6;border-bottom:1px solid #15303a;padding:4px 6px;vertical-align:top}
.s-terms-table td:first-child{font-weight:700;color:#eefaf9;white-space:nowrap}
.s-terms-note{font-size:11.5px!important;color:#7f999e!important}
.s-terms-empty{color:#8fa7ab;font-size:13px}

/* learn: glossary links, quiz, next lesson ------------------------------- */
.s-term-link{color:inherit;text-decoration:underline dotted #5fb8b1;text-underline-offset:3px;cursor:help}
.s-term-link:hover{color:var(--teal2)}
.s-inline-btn{margin-top:4px;border:1px solid var(--teal);background:#113137;color:var(--teal2);border-radius:8px;padding:7px 12px;font-weight:700;font-size:12.5px;cursor:pointer}
.s-inline-btn:hover{background:#174046}
.s-readout{margin-top:8px;border:1px solid #1f3d44;border-radius:8px;background:#08191e;padding:8px 10px}
.s-readout summary{cursor:pointer;font-size:12px;font-weight:800;color:var(--teal)}
.s-readout summary:hover{color:var(--teal2)}
.s-readout ul{list-style:none;margin:4px 0 0;padding:0}
.s-readout li{font-size:12.5px;color:#d9ecec;padding:1px 0}
.s-readout li b{display:inline-block;width:28px;color:var(--teal2)}
.s-quiz-q{margin:0 0 7px;font-size:13px;color:#e4f2f2;line-height:1.4}
.s-quiz-options{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.s-quiz-opt{border:1px solid #2b4850;background:#0a1d22;color:#dcecec;border-radius:8px;padding:7px 9px;font:inherit;font-size:12.5px;font-weight:600;text-align:left;cursor:pointer;line-height:1.25}
.s-quiz-opt:hover:not([disabled]){border-color:var(--teal);background:#0f2a30}
.s-quiz-opt[disabled]{cursor:default;opacity:1}
.s-quiz-opt.right{border-color:var(--green);background:rgba(142,224,187,.18);color:#eafff6;box-shadow:inset 0 0 0 1px var(--green)}
.s-quiz-opt.wrong{border-color:var(--red);background:rgba(240,138,118,.12)}
.s-quiz-opt.dim{opacity:.45!important}
.s-quiz-explain{margin:8px 0 0;font-size:12.5px;line-height:1.45;color:#cfe3e3;padding:8px 10px;border-radius:8px;background:#0a1c21;border-left:3px solid var(--teal)}
.s-quiz-explain.good{border-left-color:var(--green)}
.s-quiz-explain.bad{border-left-color:var(--red)}
.s-quiz-explain b{color:#f2fbfa}
.s-link-btn{border:0;background:none;color:var(--teal2);font:inherit;font-weight:700;text-decoration:underline;cursor:pointer;padding:0}
.s-map-reveal summary{display:flex;justify-content:space-between;align-items:baseline;gap:8px;cursor:pointer;list-style:none;margin-bottom:6px}
.s-map-reveal summary::-webkit-details-marker{display:none}
.s-map-reveal summary .s-block-title{margin:0}
.s-map-reveal summary .s-block-title::before{content:"▸ ";color:var(--teal)}
.s-map-reveal[open] summary .s-block-title::before{content:"▾ "}
.s-map-reveal-hint{font-size:11px;color:#6f898e}
.s-map-reveal[open] .s-map-reveal-hint{display:none}
.s-block-sub{font-size:10.5px;font-weight:500;color:#6f898e;margin-left:6px}
.s-meas-rows{display:grid;gap:4px}
.s-meas-row{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;padding:6px 9px;border:1px solid #1d3940;border-radius:8px;background:#08191e}
.s-meas-row b{display:block;font-size:12px;color:#dceaea}
.s-meas-row small{display:block;font-size:10.5px;color:#6f898e;line-height:1.3}
.s-meas-row span{font-size:12px;font-weight:700;color:#5f7b80;text-align:right;max-width:190px}
.s-meas-row.filled{border-color:#2d5a5f}
.s-meas-row.filled span{color:var(--teal2)}
.s-meas-row:last-of-type.filled{background:#0f2a2f}
.s-meas-note{margin:6px 0 0;font-size:11px;color:#6f898e;line-height:1.4}
.s-eq{display:flex;align-items:stretch;gap:6px;margin:8px 0}
.s-eq div{flex:1;border:1px solid #2d5057;border-radius:8px;padding:6px 8px;background:#0a1d22;text-align:center}
.s-eq b{display:block;font-size:13px;color:#eefaf9}
.s-eq small{display:block;font-size:10.5px;color:var(--teal2)}
.s-eq i{align-self:center;font-style:normal;font-weight:800;color:var(--teal)}
.s-next-lesson{display:block;width:100%;margin:14px 0 4px;border:1px dashed #2f5058;background:transparent;color:#8fb0b3;border-radius:10px;padding:9px 12px;font:inherit;font-size:13px;font-weight:700;text-align:right;cursor:pointer}
.s-next-lesson:hover{border-color:var(--teal);color:var(--teal2)}
.s-next-lesson.ready{border-style:solid;border-color:var(--teal);background:#113137;color:var(--teal2)}
.strabismus-presets button.done b,.s-procedure-buttons button.done::after{background:var(--teal)!important;color:#062024!important}
.strabismus-presets button.done b{font-size:0}
.strabismus-presets button.done b::after{content:"✓";font-size:11px}
.s-procedure-buttons button{position:relative}
.s-procedure-buttons button.done::after{content:"";position:absolute;top:5px;right:6px;width:6px;height:6px;border-radius:50%}
.s-optional{font-weight:500;color:#6d888d;font-size:10.5px;margin-left:4px}
.s-test-grid input{width:100%;margin-top:4px;border:1px solid #2b4850;background:#07161a;color:var(--text);border-radius:8px;padding:7px 8px;font:inherit}
.s-test-observe{margin:0 0 8px;padding:8px 10px;border:1px solid #1f3d44;border-radius:8px;background:#08191e;min-height:0}
.s-test-buttons{grid-template-columns:1.25fr 1fr 1fr}
.s-test-buttons button{white-space:nowrap;padding-left:8px;padding-right:8px;min-width:0;overflow:hidden;text-overflow:ellipsis}
.s-test-observe{max-height:118px;overflow:auto}

/* responsive ------------------------------------------------------------- */
@media(max-width:1400px){
  .strabismus-presets button{padding:5px 7px;font-size:11.5px;gap:5px}
  .strabismus-presets button b{width:18px;height:18px;font-size:10px}
  .strabismus-workspace{grid-template-columns:minmax(0,1.5fr) minmax(320px,.8fr)}
  .s-row{grid-template-columns:62px minmax(0,1fr)}
  .s-seg button{padding:8px 6px;font-size:11.5px}
  .s-procedure-buttons .lf{display:none}.s-procedure-buttons .ls{display:inline}
  .s-seg.s-mini button{padding:6px 8px}
  .s-cover-buttons button{padding:7px 10px;font-size:11.5px}
  .s-stepper button{width:30px}.s-stepper output{min-width:52px}
  .s-prism-row{gap:6px}
  .s-gaze-pad{grid-template-columns:repeat(3,40px)}
  .strabismus-patient-card .eye-help{display:none}
}
@media(max-height:800px){
  .strabismus-dock{padding:9px 12px}
  .s-dock-main{gap:6px}
  .s-row{min-height:32px}
  .s-seg button{padding:7px 6px}
  .s-cover-buttons button{padding:6px 10px}
  .s-stepper button,.s-stepper output{height:29px}
  .s-gaze-pad button{height:26px}
  .s-gaze-sides{display:none}
  .strabismus-side-panel{padding:12px 14px}
  .strabismus-side-panel h1{font-size:18px}
  .strabismus-side-panel .lesson-body{font-size:12.5px;line-height:1.42}
  .s-steps li{padding:5px 0;font-size:12.5px}
  .s-map-cell{min-height:40px;padding:4px 7px}
  .s-map-cell small{display:none}
  .strabismus-patient-card .eye-help{display:none}
  .s-quiz-opt{padding:6px 8px;font-size:12px}
  .s-test-buttons button{font-size:13px;padding-top:9px;padding-bottom:9px}
  .s-test-observe{max-height:84px}
  .s-test-grid select{font-size:12px;padding:6px}
  .s-test-actions .feedback{font-size:12.5px;padding:8px 10px}
}
@media(max-width:1100px){
  .strabismus-workspace{grid-template-columns:1fr .78fr}
  .strabismus-dock{grid-template-columns:1fr}
  .s-gaze-group{border-left:0;padding-left:0;flex-direction:row;align-items:center}
  .s-gaze-sides{display:none}
  .s-terms-grid{grid-template-columns:1fr 1fr}.s-terms-grid-wide{grid-template-columns:1fr}
  .s-test-grid{grid-template-columns:1fr 1fr}
}
@media(prefers-reduced-motion:reduce){
  #s-occluder,#s-prism,#s-prism-shape,#s-fixation-target{transition:none}
  .s-globe,.s-reflex{transition-duration:.1s}
}
.s-seg button:focus-visible,.s-cover-buttons button:focus-visible,.s-stepper button:focus-visible,.s-gaze-pad button:focus-visible,.s-chip:focus-visible,.s-map-cell:focus-visible,.lessons button:focus-visible,.segmented button:focus-visible{outline:2px solid var(--teal);outline-offset:2px}


/* v1.16: scroll affordance instead of half-cut lines; compact live card */
.strabismus-side-panel .panel-view{position:relative}
.s-more{position:absolute;left:50%;transform:translateX(-50%);z-index:3;border:1px solid #2d5057;background:#0c2227;color:var(--teal2);border-radius:999px;padding:3px 12px;font-size:11px;font-weight:700;cursor:pointer;opacity:0;pointer-events:none;transition:opacity .2s}
.s-more.show{opacity:1;pointer-events:auto}
.s-more:hover{border-color:var(--teal)}
.s-observe{max-height:40%;overflow:auto;scrollbar-width:thin}
.s-reveal.s-block{border-top:1px solid #1f3d44;padding-top:10px}

/* case editor */
.s-ce{display:grid;gap:10px}
.s-ce-scope{display:flex;align-items:center;justify-content:space-between;gap:8px}
.s-ce-scope>span{font-size:12px;font-weight:800;color:#dceaea}
.s-ce-note{margin:0;font-size:12px;line-height:1.45;color:#8fa7ab}
.s-ce-note b{color:var(--teal2)}
.s-ce-sec{border:1px solid #1d3940;border-radius:10px;background:#08191e;padding:10px 12px}
.s-ce-sec h4{margin:0 0 8px;font-size:12.5px;color:#e7f4f4}
.s-ce-sec h4 small{font-weight:500;color:#6f898e;margin-left:6px;font-size:11px}
.s-ce-table{width:100%;border-collapse:separate;border-spacing:6px 5px;margin:-5px -6px}
.s-ce-table th{font-size:11.5px;color:#8fa7ab;text-align:left;font-weight:700}
.s-ce-table thead th{font-size:10.5px;text-transform:uppercase;letter-spacing:.05em;color:#6f898e}
.s-ce-table input,.s-ce-table select{width:100%;border:1px solid #2b4850;background:#07161a;color:var(--text);border-radius:8px;padding:6px 8px;font:inherit;font-size:13px}
.s-ce-read{margin:8px 0 0;font-size:12px;color:#8fa7ab}
.s-ce-read b{color:var(--teal2)}
.s-ce-actions{display:flex;gap:8px;flex-wrap:wrap}
.s-ce-actions button{border:1px solid #2b4850;background:#0a1d22;color:#cfe3e3;border-radius:8px;padding:7px 11px;font:inherit;font-size:12px;font-weight:700;cursor:pointer}
.s-ce-actions button:hover{border-color:var(--teal);color:var(--teal2)}

.s-term-wide{grid-column:1/-1}
.s-anat{display:flex;gap:6px;margin:8px 0}
.s-anat div{border:1px solid #2d5057;border-radius:8px;padding:6px 12px;text-align:center;background:#0a1d22}
.s-anat b{display:block;font-size:18px;color:#eefaf9}
.s-anat small{font-size:10.5px;color:var(--teal2)}

/* charting practice */
.s-chart-findings{margin:0 0 8px;padding:9px 12px 9px 26px;border:1px solid #1d3940;border-radius:10px;background:#08191e;display:grid;gap:4px}
.s-chart-findings li{font-size:12.5px;line-height:1.45;color:#d8ecec}
.s-chart-input{display:flex;gap:6px}
.s-chart-input input{flex:1;min-width:0;border:1px solid #2b4850;background:#07161a;color:var(--text);border-radius:8px;padding:8px 10px;font:inherit;font-size:14px;font-weight:700;letter-spacing:.02em}
.s-chart-input input:focus{outline:2px solid var(--teal);outline-offset:1px}
.s-ins{width:34px;border:1px solid #2b4850;background:#0a1d22;color:var(--teal2);border-radius:8px;font:inherit;font-weight:800;cursor:pointer}
.s-ins:hover{border-color:var(--teal)}
.s-chart-input .primary-btn{padding:0 14px}
.s-chart-help{margin:6px 0 0;font-size:11px;color:#6f898e}
.s-chart-help b{color:#a9c4c6}
.s-chart-next{margin-top:8px;width:auto;padding:6px 12px!important;font-size:12.5px!important;float:right}
.s-chart::after{content:"";display:block;clear:both}

.strabismus-presets .ls{display:none}
@media(max-width:1600px){.strabismus-presets .lf{display:none}.strabismus-presets .ls{display:inline}}
.strabismus-side-panel .s-scroll.has-more{-webkit-mask-image:linear-gradient(to bottom,#000 calc(100% - 56px),transparent calc(100% - 6px));mask-image:linear-gradient(to bottom,#000 calc(100% - 56px),transparent calc(100% - 6px))}

/* first letter of every box or table cell is a capital */
.s-terms-table td::first-letter,.s-meas-row span::first-letter,.s-ev-txt::first-letter,.s-quiz-opt::first-letter{text-transform:uppercase}

/* Learn panel sections */
.s-learn-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin:2px 0 10px}
.s-learn-tabs button{position:relative;padding:8px 6px;font-size:12.5px}
.s-learn-tabs button[hidden]{display:none}
.s-learn-tabs.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.s-learn-tabs button .s-tab-badge{margin-left:5px;font-size:10.5px;font-weight:800;color:var(--teal2)}
.s-learn-tabs button.ready::after{content:"";position:absolute;top:6px;right:8px;width:7px;height:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 3px rgba(243,197,109,.18)}
.s-learn-tabs button.passed::after{content:"✓";position:absolute;top:3px;right:7px;font-size:11px;color:var(--green)}
.s-scroll[data-active="guide"] [data-lpane]:not([data-lpane="guide"]),
.s-scroll[data-active="findings"] [data-lpane]:not([data-lpane="findings"]),
.s-scroll[data-active="check"] [data-lpane]:not([data-lpane="check"]){display:none!important}
.s-scroll [data-lpane].s-block:first-child,.s-scroll[data-active="findings"] #s-meas-block,.s-scroll[data-active="check"] #s-quiz-block,.s-scroll[data-active="check"] #s-chart-block{margin-top:0}
#s-to-check:not(.ready){display:none!important}
#s-quiz-block>.s-block-title{display:none}
.s-findings-note:empty{display:none}.s-findings-note{margin-bottom:10px!important}

/* v1.18 */
.s-learn-tabs,.strabismus-side-panel .panel-head{flex:0 0 auto}
.s-example{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 0 10px;padding:8px 10px;border:1px solid #1f3d44;border-radius:10px;background:#08191e}
.s-example>span{font-size:11.5px;font-weight:800;color:#9ab1b5}
#s-learn-editor:empty{display:none}
.s-ce-eye{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 10px}.s-ce-eye>span{font-size:11.5px;font-weight:800;color:#9ab1b5}.s-ce-eye small{font-size:11px;color:#6f898e}

/* stacked prism indicator on a base button */
[data-s-prism-base]{position:relative}
[data-s-prism-base].stacked{box-shadow:inset 0 0 0 1px var(--amber);color:#f7dca4}
[data-s-prism-base].stacked::after{content:attr(data-stack) "Δ";margin-left:4px;font-size:10px;font-weight:800;background:var(--amber);color:#2a1a04;border-radius:999px;padding:0 5px;line-height:15px;display:inline-block}

/* retinoscopy Rx modal: mark the fixed example and show the learner's own readings */
.rx-example-tag{margin:0 0 8px;font-size:12px;font-weight:800;letter-spacing:.04em;color:#f3c56d;text-transform:uppercase}
.rx-your-readings{color:#cfe3e3;border-bottom:1px solid #1f3d44;padding-bottom:8px}

/* v1.20: Exam Skills / Conditions, grouped conditions */
.s-tier{flex:0 0 auto}
.s-tier button{padding:6px 12px;font-size:12.5px}
.strabismus-presets:not(.cond) [data-tier="conditions"],.strabismus-presets.cond [data-tier="skills"]{display:none!important}
.s-group{display:flex;align-items:center;gap:4px;border:1px solid #223d44;border-radius:9px;background:#0a1a1f;padding:0 4px 0 0;flex:0 0 auto}
.s-group .s-group-head{border:0;background:transparent;height:34px}
.s-group.active{border-color:var(--teal);background:#0f2a30}
.s-group.active .s-group-head{color:var(--teal2)}
.s-group-members{display:none;gap:3px}
.s-group.open .s-group-members{display:inline-flex}
.s-group-members button{height:26px!important;padding:2px 9px!important;font-size:11.5px!important;border-radius:7px!important}
.s-group-members button.active{background:var(--teal)!important;color:#062024!important;border-color:var(--teal)!important}
.s-group.any-random .s-group-members button.active{background:transparent!important;color:var(--teal2)!important}
.s-group.done .s-group-head b{background:var(--teal)!important;color:#062024!important;font-size:0}
.s-group.done .s-group-head b::after{content:"✓";font-size:11px}
.s-adv-tag{font-style:normal;font-size:9px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:#f3c56d;border:1px solid rgba(243,197,109,.5);border-radius:5px;padding:0 3px;margin-left:5px}
/* advanced stage tools */
.s-adv-tools{margin-top:6px}
.s-chipseg button{font-size:11.5px;padding:5px 9px}
#strabismus-face{transition:transform .5s ease;transform-origin:50% 50%}
.s-droop{transition:transform .45s ease}
.s-mydriasis{transition:r .4s ease}
@media (prefers-reduced-motion:reduce){#strabismus-face,.s-droop,.s-mydriasis{transition:none}}
/* lesson extras */
.s-grades{display:grid;gap:5px;margin:8px 0}
.s-grades div{display:grid;grid-template-columns:56px 1fr;gap:8px;border:1px solid #1f3d44;border-radius:8px;padding:6px 9px;background:#08191e;font-size:12.5px}
.s-grades b{color:var(--teal2)}
.s-3step{margin:6px 0 8px;padding-left:20px;display:grid;gap:4px;font-size:13px}
/* patient reports */
.s-reports .s-rep-tabs,.s-test-reports .s-rep-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:8px}
.s-rep-tabs button{font-size:11px;padding:6px 4px}
.s-rep-result{border:1px solid #1d3940;border-radius:10px;background:#08191e;padding:8px}
.s-rep-svg{display:block;width:100%;max-width:300px;margin:0 auto 6px;border-radius:8px}
.s-rep-says{margin:0 0 4px;font-size:12.5px;color:#e2f1f1}
.s-rep-means{margin:0;font-size:12px;line-height:1.45;color:var(--teal2)}
#s-test-reports{margin:8px 0}
/* tilt: let the (oversized) background keep covering the stage while the face rotates */
#strabismus-face{overflow:visible}
@media(max-width:1360px){
  .strabismus-presets b{display:none}
  .s-adv-tag{font-size:0;width:7px;height:7px;padding:0;border:0;border-radius:50%;background:#f3c56d;display:inline-block;vertical-align:middle;margin-left:4px}
  .s-group .s-group-head{padding-left:9px}
  .s-tier button{padding:6px 9px}
}
.s-rep-tabs button{white-space:normal;line-height:1.15}
/* v1.21: patient controls live in their own bar at the bottom of the stage */
.s-stage-top{justify-content:space-between}
.s-patient-bar{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);display:flex;align-items:center;gap:8px;padding:5px 8px 5px 12px;border:1px solid #2b4850;border-radius:999px;background:rgba(6,18,22,.88);backdrop-filter:blur(4px);z-index:4;max-width:calc(100% - 420px)}
.s-patient-bar[hidden]{display:none}
.s-patient-label{font-size:10.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#8fb0b3}
.s-patient-bar .s-chip{height:28px}
@media(max-width:1300px){.s-patient-bar{max-width:calc(100% - 40px);bottom:52px}}
.s-glasses-frames{transition:opacity .35s ease}
/* Show Me walkthrough */
.s-walk{display:flex;align-items:center;gap:8px;margin:0 0 8px;padding:8px 10px;border:1px solid var(--teal);border-radius:10px;background:#0c2227}
.s-walk[hidden]{display:none}
#s-walk-count{flex:1;font-size:12.5px;font-weight:800;color:var(--teal2)}
.s-walk .primary-btn{padding:7px 12px;font-size:12.5px}
/* patient reports */
.s-rep-how{margin:0 0 8px;font-size:12.5px;line-height:1.5;color:#cfe3e3}
.s-rep-read{margin:8px 0 6px;font-size:12px;color:#cfe3e3}
.s-rep-read b,.s-rep-means b{color:#eefaf9}
.s-rep-read ol{margin:4px 0 0;padding-left:18px;display:grid;gap:3px;line-height:1.4}
.s-rep-means{margin:6px 0 0;padding:8px 10px;border-left:3px solid var(--teal);border-radius:6px;background:#0a1d22;font-size:12.5px;line-height:1.5;color:#dff2f1}
.s-walk:not([hidden]) + .s-test-observe{max-height:none}