:root{--muscle-primary:#168bff;--muscle-secondary:#7c5cff;--muscle-stabilizer:#2ecb9b;--bg:#05080d;--surface:#0b1119;--surface2:#0e1621;--line:#273444;--text:#f3f6fb;--muted:#8794a5;--blue:#168bff;--purple:#7c5cff;--green:#2ecb9b;--danger:#ff5364}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:#020408;color:var(--text);font-family:Tahoma,"Segoe UI",Arial,sans-serif}body{display:flex;justify-content:center}button,input{font:inherit}.screen{width:min(100%,520px);min-height:100vh;padding:22px 18px 110px;background:radial-gradient(circle at 50% -10%,#09131f,#05080d 28%,#03060a 70%);border-inline:1px solid #17202b}.top{display:flex;align-items:flex-start;justify-content:space-between;margin:5px 0 18px}.top h1{font-size:26px;margin:0;font-weight:900}.top p{font-size:11px;color:var(--muted);margin:7px 0 0}.version{font-size:10px;color:#79baff;border:1px solid #24476d;border-radius:999px;padding:5px 8px}.search{height:52px;border:1px solid var(--line);border-radius:17px;background:#0b1119;display:flex;align-items:center;gap:10px;padding:0 14px;margin-bottom:12px}.search span{color:#8fa2ba;font-size:20px}.search input{width:100%;border:0;outline:0;background:transparent;color:white;font-size:14px}.card{background:linear-gradient(145deg,#0e151f,#090e15);border:1px solid var(--line);border-radius:20px;color:inherit}.stage-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px;border:1px solid rgba(22,139,255,.38);border-radius:17px;background:rgba(22,139,255,.08);margin-bottom:20px}.stage-banner b{font-size:13px}.stage-banner p{margin:5px 0 0;color:#93a2b5;font-size:10px;line-height:1.9}.stage-banner>i{font-style:normal;color:var(--blue);font-size:24px}.section-head{display:flex;align-items:center;justify-content:space-between;margin:18px 2px 10px}.section-head h2{font-size:19px;margin:0}.section-head span{font-size:10px;color:var(--muted)}.list{display:grid;gap:9px}.exercise-row{width:100%;display:flex;align-items:center;gap:11px;padding:11px;text-align:right}.exercise-row .grow{min-width:0;flex:1}.exercise-row b{display:block;font-size:14px}.exercise-row span{display:block;font-size:9px;color:#8290a1;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.exercise-row strong{font-size:28px;font-weight:300;color:#dbe8f7}.exercise-art{width:52px;height:64px;overflow:hidden;border:1px solid #27384a;border-radius:13px;background:#070b10;display:grid;place-items:center}.exercise-art img{height:76px;filter:grayscale(1) contrast(1.08)}.chips{display:flex;gap:5px;flex-wrap:wrap;margin-top:7px}.chips i{font-style:normal;font-size:8px;padding:4px 7px;border-radius:999px;border:1px solid #263748;color:#9db0c5;background:#101822}.bottom-nav{position:fixed;z-index:10;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,520px);height:82px;padding:9px 14px calc(9px + env(safe-area-inset-bottom));background:rgba(4,8,13,.97);border-top:1px solid #202b38;display:grid;grid-template-columns:repeat(4,1fr);backdrop-filter:blur(18px)}.bottom-nav button{background:none;border:0;color:#788698;display:grid;place-items:center;gap:1px}.bottom-nav i{font-style:normal;font-size:24px}.bottom-nav span{font-size:9px}.bottom-nav button.active{color:var(--blue)}.back-btn{border:1px solid #273444;background:#0b1119;color:#b9c6d5;border-radius:12px;padding:8px 11px;margin-bottom:10px}.detail-hero{padding:13px;display:grid;grid-template-columns:1.08fr .92fr;gap:13px;align-items:center}.pair,.lab-pair{display:grid;grid-template-columns:1fr 1fr;gap:7px;direction:ltr}.pair figure,.lab-pair figure{margin:0;overflow:hidden;border:1px solid #29394b;border-radius:14px;background:radial-gradient(circle,#15202c,#080c12 72%);text-align:center}.pair small,.lab-pair small{display:block;color:#8b99aa;font-size:8px;margin:6px}.pair img{width:100%;height:162px;object-fit:cover;object-position:center}.pair figcaption{font-size:6.5px;color:#597087;padding:5px 2px}.detail-copy h2{font-size:22px;margin:0 0 5px}.detail-copy p{font-size:11px;color:#8f9dad;margin:0}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:10px 0}.metric{padding:14px;min-height:92px}.metric span{display:block;color:#8d99aa;font-size:10px}.metric b{display:block;margin-top:14px;font-size:14px}.placeholder,.module-card,.lab-card,.architecture{padding:16px;margin-top:10px}.placeholder>i,.module-card>i{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:#102749;color:var(--blue);font-style:normal;font-size:25px}.placeholder h3,.module-card h2{font-size:18px;margin:12px 0 5px}.placeholder p,.module-card p,.architecture p{font-size:11px;color:#94a1b1;line-height:2;margin:0}.module-status{display:flex;justify-content:space-between;padding-top:13px;margin-top:13px;border-top:1px solid #202c39;font-size:10px}.module-status span{color:#8390a2}.module-status b{color:#84c3ff}.roadmap{margin-top:16px;padding:13px 2px}.roadmap b{font-size:14px}.roadmap p{font-size:10px;color:#8795a8;line-height:1.9}.lab-card{padding:13px}.lab-pair figure{height:350px}.lab-pair img{height:320px;width:100%;object-fit:contain;filter:grayscale(.95) contrast(1.07)}.lab-note{border-top:1px solid #263444;margin-top:12px;padding-top:12px}.lab-note b{font-size:14px}.lab-note p{font-size:10px;color:#8897a9;line-height:1.9}.more-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}.more-card{padding:15px;min-height:130px}.more-card i{font-style:normal;font-size:28px;color:var(--blue)}.more-card b{display:block;font-size:15px;margin-top:17px}.more-card span{display:block;font-size:10px;color:#8b99a9;margin-top:4px}.danger{width:100%;height:48px;margin:14px 0 0;border:1px solid rgba(255,83,100,.4);background:rgba(255,83,100,.08);color:#ff8592;border-radius:14px}.architecture h2{font-size:16px;margin:0 0 7px}.toast{position:fixed;z-index:50;left:50%;bottom:96px;transform:translate(-50%,12px);opacity:0;background:#111a24;border:1px solid #2f4053;color:#eaf3ff;border-radius:12px;padding:9px 13px;font-size:11px;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}.fatal{padding:30px;color:white}.fatal pre{white-space:pre-wrap;color:#ff8290}@media(max-width:390px){.screen{padding-inline:12px}.top h1{font-size:23px}.detail-hero{grid-template-columns:1fr}.detail-copy{order:-1}.pair img{height:145px}.lab-pair figure{height:300px}.lab-pair img{height:275px}}


/* Exercise Bank Lab v0.2.0 — Muscle Registry */
.header-action{width:42px;height:42px;border:1px solid #2a394a;border-radius:13px;background:#0c141e;color:#5fb0ff;font-size:24px;display:grid;place-items:center}.registry-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-bottom:12px}.registry-stats>div{min-width:0;padding:11px 5px;border:1px solid #263444;border-radius:14px;background:#0b1119;text-align:center}.registry-stats b{display:block;font-size:18px}.registry-stats span{display:block;color:#7f8d9e;font-size:7.5px;margin-top:3px;white-space:nowrap}.filter-strip{display:flex;gap:6px;overflow:auto;padding:1px 1px 7px;scrollbar-width:none}.filter-strip::-webkit-scrollbar{display:none}.filter-strip button{flex:0 0 auto;border:1px solid #253445;border-radius:999px;background:#0b121a;color:#8796a8;padding:6px 10px;font-size:8px}.filter-strip button.active{border-color:#168bff;background:rgba(22,139,255,.13);color:#bfe2ff}.filter-strip.compact{padding-bottom:10px}.filter-sep{width:1px;background:#263444;margin:2px 1px}.registry-toolbar{display:flex;align-items:center;justify-content:space-between;margin:2px 2px 9px;color:#8492a4;font-size:9px}.registry-toolbar label{display:flex;align-items:center;gap:5px}.registry-toolbar input{accent-color:#168bff}.muscle-list{display:grid;gap:7px}.muscle-row{--depth:0;width:100%;display:flex;align-items:center;gap:9px;padding:10px 10px 10px calc(10px + var(--depth)*8px);text-align:right;min-height:78px}.muscle-row .grow{flex:1;min-width:0}.muscle-type-icon{width:34px;height:34px;flex:0 0 34px;border-radius:11px;background:#10223a;color:#4faaff;display:grid;place-items:center;font-size:19px}.muscle-row.type-head .muscle-type-icon{color:#9d85ff;background:#201a3a}.muscle-row.type-group .muscle-type-icon{color:#53d9b0;background:#0d2a24}.muscle-row-title{display:flex;align-items:center;gap:5px}.muscle-row-title b{font-size:12px}.muscle-row-title em{font-style:normal;font-size:6.5px;border:1px solid #5a466f;color:#b69aff;border-radius:999px;padding:2px 5px}.muscle-row .grow>span{display:block;color:#8290a2;font-size:8px;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.muscle-meta{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px}.muscle-meta i{font-style:normal;font-size:6.5px;color:#748398;border:1px solid #213041;border-radius:999px;padding:2px 5px}.muscle-views{display:grid;gap:3px}.muscle-views i{font-style:normal;font-size:6.5px;border:1px solid #29405a;color:#7aaee4;border-radius:7px;padding:3px 5px}.muscle-row>strong{font-size:25px;font-weight:300}.empty-registry{padding:18px;color:#7e8c9d;text-align:center}.muscle-identity{display:flex;align-items:center;gap:14px;padding:16px}.identity-icon{width:58px;height:58px;border-radius:18px;background:#102442;color:#3b9dff;display:grid;place-items:center;font-size:31px}.muscle-identity span{color:#8795a7;font-size:9px}.muscle-identity h2{font-size:22px;margin:3px 0}.muscle-identity p{font-size:10px;color:#91a0b2;margin:0 0 7px}.muscle-identity code{display:inline-block;direction:ltr;font-size:8px;color:#68b2ff;background:#09121d;border:1px solid #20364d;border-radius:8px;padding:4px 7px}.muscle-detail-grid .metric{min-height:86px}.detail-section{padding:14px;margin-top:10px}.detail-section h3{font-size:15px;margin:0 0 10px}.section-mini{display:flex;align-items:center;justify-content:space-between}.section-mini button{border:0;background:none;color:#66b2ff;font-size:8px}.child-list{display:grid;gap:6px}.child-list button{display:flex;align-items:center;gap:8px;width:100%;border:1px solid #233244;background:#0b121a;color:#eaf2fb;border-radius:12px;padding:8px;text-align:right}.child-list button>span{width:28px;height:28px;border-radius:9px;background:#101f33;color:#66b2ff;display:grid;place-items:center}.child-list button div{flex:1}.child-list button b{display:block;font-size:10px}.child-list button small{display:block;color:#778698;font-size:7px;margin-top:2px}.child-list button>i{font-style:normal;font-size:22px}.empty-child{color:#6f7d8f;font-size:9px}.detail-section dl{display:grid;grid-template-columns:78px 1fr;gap:8px 10px;margin:0}.detail-section dt{color:#7f8d9f;font-size:8px}.detail-section dd{margin:0;display:flex;flex-wrap:wrap;gap:4px;font-size:9px}.detail-section dd i{font-style:normal;border:1px solid #273849;border-radius:999px;padding:3px 6px;color:#9db0c5}.detail-note{margin:12px 0 0;padding-top:10px;border-top:1px solid #1f2a37;color:#8f9daf;font-size:9px;line-height:1.9}.safe-actions{margin-top:12px}.safe-actions button{width:100%;height:44px;border-radius:13px;border:1px solid #34485e;background:#0b131c;color:#9cc8f6}.safe-actions .danger-inline{border-color:rgba(255,83,100,.38);color:#ff8490;background:rgba(255,83,100,.06)}.registry-contract{padding:15px;margin-top:10px}.registry-contract h2{font-size:16px;margin:0 0 12px}.registry-contract>div{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #1f2b38;padding:9px 0}.registry-contract span{font-size:9px;color:#8090a3}.registry-contract b{font-size:9px;color:#dceafa}.sheet-backdrop{position:fixed;z-index:60;inset:0;background:rgba(0,0,0,.66);backdrop-filter:blur(4px);display:flex;align-items:flex-end;justify-content:center}.sheet{width:min(100%,520px);max-height:92vh;overflow:auto;background:#080e16;border:1px solid #2b3a4b;border-radius:24px 24px 0 0;padding:10px 16px calc(20px + env(safe-area-inset-bottom));box-shadow:0 -20px 60px rgba(0,0,0,.5)}.sheet-handle{width:54px;height:4px;border-radius:9px;background:#39495c;margin:0 auto 12px}.sheet header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.sheet header h2{font-size:19px;margin:0}.sheet header p{font-size:8px;color:#748397;margin:3px 0 0}.sheet header button{width:36px;height:36px;border:1px solid #29394b;border-radius:11px;background:#0c131d;color:#dce8f5;font-size:22px}.sheet form{display:grid;gap:10px}.sheet label{display:grid;gap:5px}.sheet label>span,.sheet legend{font-size:8px;color:#8998aa}.sheet input,.sheet select,.sheet textarea{width:100%;border:1px solid #29394a;background:#0c131d;color:#eef5fd;border-radius:11px;padding:10px;font-size:10px;outline:0}.sheet textarea{resize:vertical}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.sheet fieldset{display:flex;gap:12px;border:1px solid #263545;border-radius:12px;padding:9px 11px}.sheet fieldset legend{padding:0 5px}.sheet .check{display:flex;grid-template-columns:auto auto;align-items:center;gap:5px;font-size:9px}.sheet .check input{width:auto;accent-color:#168bff}.save-button{height:48px;border:0;border-radius:14px;background:linear-gradient(180deg,#2395ff,#0878ea);color:white;font-weight:800;font-size:12px;margin-top:4px}.more-grid{grid-template-columns:1fr 1fr}
@media(max-width:390px){.registry-stats span{font-size:6.8px}.muscle-row{padding-inline:8px}.muscle-views{display:none}.form-grid{grid-template-columns:1fr}.muscle-identity h2{font-size:19px}}

/* v0.2.2 boot/fatal visibility */
.boot-state,.fatal{min-height:100dvh;padding:72px 24px 120px;color:#f4f7fb;background:#05080d}.boot-state h1,.fatal h1{font-size:28px;margin:0 0 12px}.boot-state p,.fatal p{color:#8fa0b5;line-height:1.9}.fatal pre{direction:ltr;text-align:left;white-space:pre-wrap;word-break:break-word;color:#ff8f95;background:#111822;border:1px solid #3a2228;border-radius:14px;padding:14px}


/* ===== Stage 3 — Anatomy Renderer ===== */
.muscle-atlas-svg{display:block;width:100%;height:100%;overflow:hidden!important;isolation:isolate;max-width:100%;max-height:100%}.atlas-anatomy-base{opacity:1;filter:contrast(1.05) brightness(.985) drop-shadow(0 8px 10px rgba(0,0,0,.42))}.atlas-mask-layer{isolation:isolate;opacity:var(--atlas-mask-opacity,1);pointer-events:auto}.atlas-muscle{fill:#fff;fill-opacity:.001;stroke:transparent;stroke-width:.5;stroke-linejoin:round;stroke-linecap:round;vector-effect:non-scaling-stroke;pointer-events:all}.atlas-muscle.role-primary{fill:var(--muscle-primary);fill-opacity:.84;stroke:#69bbff;stroke-opacity:.64;filter:drop-shadow(0 0 4px rgba(22,139,255,.36));mix-blend-mode:color}.atlas-muscle.role-secondary{fill:var(--muscle-secondary);fill-opacity:.74;stroke:#b09dff;stroke-opacity:.56;filter:drop-shadow(0 0 3px rgba(124,92,255,.3));mix-blend-mode:color}.atlas-muscle.role-stabilizer{fill:var(--muscle-stabilizer);fill-opacity:.66;stroke:#79e8c7;stroke-opacity:.52;filter:drop-shadow(0 0 3px rgba(46,203,155,.24));mix-blend-mode:color}.muscle-atlas-pair{display:grid;grid-template-columns:1fr 1fr;gap:8px;align-items:start;max-width:100%;overflow:hidden}.atlas-view{position:relative;min-width:0;overflow:hidden;contain:paint;isolation:isolate;padding:5px;border-radius:13px;background:radial-gradient(circle at 50% 45%,#121a24,#090d13 72%);border:1px solid #27384a}.atlas-view>small{display:block;text-align:center;color:#8796a7;font-size:8px;margin-bottom:2px}.atlas-view .muscle-atlas-svg{height:230px}.muscle-atlas-pair.compact .atlas-view{padding:3px;border-radius:10px}.muscle-atlas-pair.compact .atlas-view .muscle-atlas-svg{height:128px}.muscle-atlas-mini{width:100%;height:100%;display:flex;align-items:center;justify-content:center;overflow:hidden;contain:paint}.muscle-atlas-mini .muscle-atlas-svg{height:100%;max-height:100%}.atlas-role-legend{display:flex;flex-wrap:wrap;gap:9px;margin-top:7px;color:#8d99a8;font-size:8px}.atlas-role-legend span{display:flex;align-items:center;gap:4px}.atlas-role-legend i{width:8px;height:8px;border-radius:50%}.atlas-role-legend .primary{background:var(--muscle-primary)}.atlas-role-legend .secondary{background:var(--muscle-secondary)}.atlas-role-legend .stabilizer{background:var(--muscle-stabilizer)}.muscle-atlas-svg.debug .atlas-muscle.role-none{fill:#ff9d2e!important;fill-opacity:.055!important;stroke:#ffae45!important;stroke-opacity:.65!important;stroke-width:.65!important;mix-blend-mode:normal!important;filter:none!important}.muscle-atlas-svg.debug .atlas-muscle.role-primary,.muscle-atlas-svg.debug .atlas-muscle.role-secondary,.muscle-atlas-svg.debug .atlas-muscle.role-stabilizer{stroke:#fff;stroke-opacity:.9;stroke-width:.8}.renderer-mini{padding:2px}.renderer-mini .muscle-atlas-mini{height:62px}.renderer-mini .atlas-anatomy-base{filter:contrast(1.04) brightness(.98)}.qc-chip{color:#67c8ff!important;border-color:#27527c!important}.renderer-hero{grid-template-columns:1.05fr .95fr}.hero-renderer{min-width:0}.hero-renderer .exercise-renderer>.atlas-role-legend{display:none}.hero-renderer .muscle-atlas-pair{gap:5px}.hero-renderer .atlas-view .muscle-atlas-svg{height:150px}.hero-legend>.atlas-role-legend{font-size:7px;gap:7px;margin-top:10px}.detail-renderer{padding:13px;margin-top:10px;overflow:hidden}.detail-renderer .section-head{margin-top:0}.detail-renderer .atlas-view .muscle-atlas-svg{height:245px}.detail-renderer>.exercise-renderer>.atlas-role-legend{justify-content:center;margin-top:10px}.mapping-summary{padding:13px;margin-top:10px;display:grid;gap:10px}.mapping-row{display:grid;grid-template-columns:72px 1fr;gap:8px;padding-top:8px;border-top:1px solid #1f2b38}.mapping-row:first-child{border-top:0;padding-top:0}.mapping-row>b{font-size:9px;color:#9aa7b8;padding-top:7px}.mapping-row>div{display:flex;flex-wrap:wrap;gap:6px}.mapping-row em{font-style:normal;color:#667587;font-size:10px;padding:8px}.role-tag{display:grid;grid-template-columns:8px auto;column-gap:5px;border:1px solid #283444;background:#0d141d;color:#eef4fb;border-radius:11px;padding:6px 8px;text-align:right}.role-tag i{width:7px;height:7px;border-radius:50%;align-self:center}.role-tag span{font-size:9px}.role-tag small{grid-column:2;color:#758396;font-size:7px;margin-top:2px}.role-tag.primary i{background:var(--muscle-primary)}.role-tag.secondary i{background:var(--muscle-secondary)}.role-tag.stabilizer i{background:var(--muscle-stabilizer)}.renderer-status,.renderer-contract{padding:13px;margin-top:10px}.renderer-status>div,.renderer-contract>div{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-top:1px solid #1f2b38}.renderer-status>div:first-child,.renderer-contract>div:first-of-type{border-top:0}.renderer-status span,.renderer-contract span{font-size:8px;color:#7e8c9d}.renderer-status b,.renderer-contract b{font-size:9px;color:#dceafa}.anatomy-lab-intro{padding:14px;margin-bottom:10px}.anatomy-lab-intro>b{font-size:15px}.anatomy-lab-intro p{font-size:10px;line-height:1.9;color:#93a0b0;margin:5px 0 0}.lab-exercise-tabs{display:flex;gap:6px;overflow:auto;padding:2px 1px 10px;scrollbar-width:none}.lab-exercise-tabs::-webkit-scrollbar{display:none}.lab-exercise-tabs button{min-width:142px;padding:9px;border:1px solid #283544;background:#0d141d;color:#a4afbd;border-radius:12px;text-align:right}.lab-exercise-tabs button.active{border-color:#168bff;background:rgba(22,139,255,.12)}.lab-exercise-tabs b{display:block;font-size:10px;color:#eef4fb}.lab-exercise-tabs small{display:block;font-size:7px;color:#778598;margin-top:2px}.anatomy-lab-stage{padding:13px;overflow:hidden}.lab-stage-head{display:flex;justify-content:space-between;gap:10px;align-items:flex-end;margin-bottom:9px}.lab-stage-head small,.lab-stage-head span{color:#8794a5;font-size:8px}.lab-stage-head h2{font-size:18px;margin:2px 0}.lab-stage-head>b{font-size:9px;color:#7ec1ff}.lab-atlas-pair .atlas-view .muscle-atlas-svg{height:300px}.lab-control-card{padding:13px;margin-top:10px}.lab-control-card h2{font-size:15px;margin:0 0 10px}.lab-preset-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;margin-bottom:12px}.lab-preset-grid button{height:39px;border:1px solid #273544;border-radius:11px;background:#0d141d;color:#9aa7b8;font-size:9px}.lab-preset-grid button.active{border-color:#168bff;background:rgba(22,139,255,.14);color:#cfeaff}.lab-controls{display:grid;gap:11px}.lab-controls label{display:grid;gap:6px}.lab-controls label>span{font-size:9px;color:#aab6c4}.lab-controls input[type=range]{width:100%;accent-color:#168bff}.lab-debug-row{grid-template-columns:1fr auto!important;align-items:center}.lab-debug-row b{display:block;color:#eef4fb}.lab-debug-row small{display:block;color:#718094;font-size:7px;margin-top:2px}.lab-debug-row input{width:20px;height:20px;accent-color:#ff9d2e}.renderer-contract h2{font-size:15px;margin:0 0 7px}
@media(max-width:390px){.renderer-hero{grid-template-columns:1fr}.hero-renderer{order:-1}.hero-renderer .atlas-view .muscle-atlas-svg{height:126px}.detail-renderer .atlas-view .muscle-atlas-svg{height:205px}.lab-atlas-pair .atlas-view .muscle-atlas-svg{height:245px}.lab-exercise-tabs button{min-width:124px}.lab-stage-head{align-items:flex-start;flex-direction:column}.mapping-row{grid-template-columns:65px 1fr}}