.ss{--ss-ink:#163849;--ss-muted:#496575;--ss-paper:#fff;--ss-soft:#f1f6f6;--ss-line:#d5e3e4;--ss-accent:#086769;max-width:1380px;margin:0 auto;padding:26px 28px 48px;color:var(--ss-ink);font-family:Inter,sans-serif;line-height:1.6}.ss *,.ss ::after,.ss ::before{box-sizing:border-box}.ss [hidden]{display:none!important}.ss h1,.ss h2,.ss h3,.ss p{margin:0;color:inherit;font-family:inherit}.ss button,.ss input,.ss select{font:inherit}.ss button,.ss select{min-height:44px}.ss button{cursor:pointer}.ss button:disabled{opacity:.5;cursor:default}.ss :is(button,select,input,summary,a,[tabindex]):focus-visible{outline:3px solid #d17413;outline-offset:4px}.ss-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:28px}.ss-back{color:var(--ss-muted);font-size:.83rem;text-decoration:none;display:inline-block;margin-bottom:18px}.ss-back:hover{text-decoration:underline}.ss-eyebrow{font-size:.72rem;font-weight:750;letter-spacing:.13em;color:var(--ss-accent)!important}.ss-eyebrow span{margin-left:12px;letter-spacing:.03em;padding:4px 8px;border:1px solid var(--ss-line);border-radius:4px;color:var(--ss-muted)}.ss-heading h1{font-size:clamp(2rem, 3.8vw, 3.1rem);letter-spacing:-.05em;font-weight:800;line-height:1.15;margin:10px 0}.ss-lead{color:var(--ss-muted)!important;font-size:.96rem}.ss-heading-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;justify-content:flex-end}.ss-print-choice{display:flex;flex-direction:column;font-size:.72rem;font-weight:650;gap:4px}.ss select{padding:9px 30px 9px 12px;border:1px solid var(--ss-line);border-radius:8px;color:var(--ss-ink);background:var(--ss-paper);max-width:100%}.ss-button{border:1px solid var(--ss-line);border-radius:8px;background:var(--ss-paper);color:var(--ss-ink);padding:9px 15px;font-size:.83rem!important;font-weight:650!important}.ss-button:hover{border-color:var(--ss-accent);background:var(--ss-soft)}.ss-button-primary{color:#fff;background:#086769;border-color:#086769}.ss-button-primary:hover{background:#075354;color:#fff}.ss-button-quiet{background:0 0}.ss-modes{display:flex;gap:8px;margin-bottom:18px;border-bottom:1px solid var(--ss-line)}.ss-modes button{border:0;border-bottom:3px solid transparent;border-radius:6px 6px 0 0;padding:13px 22px;background:0 0;color:var(--ss-muted);font-weight:700;font-size:.94rem}.ss-modes button span{font-size:.7rem;margin-right:10px}.ss-modes [aria-selected=true]{color:var(--ss-accent);border-bottom-color:var(--ss-accent);background:var(--ss-paper)}.ss-scene-card{border:1px solid var(--ss-line);border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 6px 25px #16384908}.ss-scene-top{display:flex;align-items:center;gap:9px;padding:12px 20px;color:#365767;font-size:.78rem;background:#fff;border-bottom:1px solid #e7eeee}.ss-scene-tag{margin-left:auto;white-space:nowrap;font-size:.67rem;text-transform:uppercase;letter-spacing:.08em;color:#496575}.ss-live-dot{width:7px;height:7px;border-radius:50%;background:#087a79;flex:none}.ss-scene-scroll{overflow:auto;overscroll-behavior-x:contain}.ss-landscape{position:relative;display:block;min-width:1200px;height:600px;overflow:hidden;background:linear-gradient(180deg,#f8fbff 0,#e8f0f5 100%);border-radius:0 0 24px 24px}.ss-landscape-heading{position:absolute;z-index:2;top:48px;left:52px;display:grid;gap:6px}.ss-landscape-heading strong{color:#274f69;font-size:28px;font-weight:750}.ss-landscape-footer,.ss-landscape-heading span{color:#587383;font-size:16px}.ss-orbit-line{position:absolute;top:303px;right:52px;left:52px;height:3px;background:#c7d9e3}.ss-orbit-line::after,.ss-orbit-line::before{position:absolute;right:0;left:0;height:1.5px;content:'';background:repeating-linear-gradient(90deg,#d9e6ed 0 4px,transparent 4px 14px)}.ss-orbit-line::before{top:-25px}.ss-orbit-line::after{top:25px}.ss-planet-row{position:absolute;inset:0;display:grid;grid-template-columns:200px 94px 106px 113px 113px 145px 190px 106px 133px}.ss-planet{position:relative;min-width:0}.ss-planet-visual{position:absolute;top:var(--ss-planet-top);left:50%;width:var(--ss-planet-size);height:var(--ss-planet-size);transform:translateX(-50%)}.ss-astro{display:block;width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 4px 5px rgba(55, 89, 108, .22))}.ss-marker{position:absolute;z-index:2;left:50%;display:grid;width:34px;height:34px;place-items:center;border:3px solid #fff;border-radius:50%;color:#fff;background:#086769;font-size:18px;font-weight:750;transform:translateX(-50%)}.ss-planet--top .ss-marker{top:-13px}.ss-planet--bottom .ss-marker{bottom:-13px}.ss-planet-label{position:absolute;z-index:3;left:50%;min-width:140px;padding:9px 12px;border:2px solid #b9d4d7;border-radius:13px;color:#274f69;background:#fff;box-shadow:0 2px 7px rgba(55,89,108,.1);font-size:19px;font-weight:750;line-height:1.25;text-align:center;transform:translateX(-50%)}.ss-planet--top .ss-planet-label{top:119px}.ss-planet--bottom .ss-planet-label{top:427px}.ss-planet--soleil .ss-planet-label{border-color:#e3b36b;color:#75440d}.ss-planet--mercure .ss-planet-label{border-color:#cbbdaf;color:#59483d}.ss-planet--venus .ss-planet-label{border-color:#dfbd88;color:#714515}.ss-planet--terre .ss-planet-label{border-color:#9bc7d7;color:#164c6c}.ss-planet--mars .ss-planet-label{border-color:#dda392;color:#71342a}.ss-planet--jupiter .ss-planet-label{border-color:#d6ae91;color:#67402f}.ss-planet--saturne .ss-planet-label{border-color:#d8bb82;color:#654a25}.ss-planet--uranus .ss-planet-label{border-color:#a6d1d7;color:#245d70}.ss-planet--neptune .ss-planet-label{border-color:#9dbbe0;color:#214b7d}.ss-landscape-footer{position:absolute;right:52px;bottom:14px;left:52px;display:flex;justify-content:space-between}.ss-landscape-footer i{display:inline-block;width:14px;height:14px;margin-right:8px;border-radius:50%;background:#3c7396;vertical-align:-1px}.ss-map-note{padding:12px 20px;background:#f4f8f6;border-top:1px solid #dce9e1;color:#3c5a53!important;font-size:.77rem}.ss[data-mode=build] .ss-scene-card [data-solar-label]{visibility:hidden}.ss [data-solar-placement]{display:none}.ss[data-mode=build] .ss-scene-card [data-solar-placement]{display:block;cursor:pointer;border:2px dashed #086769;color:#086769}.ss[data-mode=build] .ss-scene-card [data-solar-placement]:focus-visible{outline:4px solid #b27215;outline-offset:3px}.ss-placement-text{font-size:14px}.ss-placement-bank{padding:16px 20px;margin-bottom:14px;border:1px solid var(--ss-line);border-radius:12px;background:var(--ss-paper);font-size:.85rem}.ss-word-buttons{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.ss-word-buttons [aria-pressed=true]{background:#086769;color:#fff;border-color:#086769}#ss-placement-status{font-size:.8rem;color:var(--ss-muted)}.ss-panel{margin-top:24px;padding:0}.ss-stage-detail{padding:0;margin:0}.ss-stage-detail+.ss-stage-detail:not([hidden]){margin-top:24px}.ss-discovery-toolbar{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}.ss-discovery-toolbar>div{display:flex;gap:8px;flex-wrap:wrap}#ss-reveal-status{font-size:.78rem;color:var(--ss-muted)}.ss-discovery-grid{display:grid;grid-template-columns:340px minmax(0,1fr);gap:20px}.ss:not(.ss-ready) .ss-discovery-grid{display:block}.ss-stage-list{display:grid;gap:6px}.ss-stage-button{display:flex;text-align:left;align-items:center;gap:12px;width:100%;background:var(--ss-paper);border:1px solid var(--ss-line);color:var(--ss-ink);padding:11px 14px;border-radius:9px;font-size:.87rem;font-weight:700}.ss-number,.ss-stage-button>span:first-child{display:inline-grid;place-items:center;border-radius:50%;width:29px;height:29px;background:var(--ss-soft);color:var(--ss-accent);flex:none;font-size:.8rem;font-weight:750}.ss-stage-button small{display:block;font-size:.72rem;font-weight:450;color:var(--ss-muted);line-height:1.4;margin-top:3px}.ss-stage-button[aria-pressed=true]{border-color:var(--ss-accent);box-shadow:inset 3px 0 var(--ss-accent)}.ss-stage-button[aria-pressed=true]>span:first-child{background:#086769;color:#fff}.ss-explanations{border-radius:12px;padding:28px 32px;background:var(--ss-paper);border:1px solid var(--ss-line)}.ss-stage-detail h2{font-size:1.7rem;letter-spacing:-.035em;margin:5px 0 14px}.ss-stage-detail>p:not(.ss-eyebrow){font-size:1.04rem;line-height:1.85}.ss-discuss{border-left:3px solid #cb842c;background:var(--ss-soft);border-radius:0 8px 8px 0;padding:18px 22px;margin-top:26px}.ss-discuss>span{color:var(--ss-muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700}.ss-discuss h3{font-size:1.04rem;margin:7px 0 12px}.ss summary{cursor:pointer;color:var(--ss-accent);font-weight:650;min-height:44px;padding:9px 0}.ss details p{margin-top:10px}.ss-section-intro{display:flex;gap:20px;justify-content:space-between;align-items:center;margin-bottom:20px}.ss-section-intro h2{font-size:1.5rem;letter-spacing:-.025em;margin:4px 0}.ss-section-intro p:not(.ss-eyebrow){color:var(--ss-muted);font-size:.88rem}.ss-section-intro>button{flex:none}.ss-answer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.ss-answer-card{padding:20px;background:var(--ss-paper);border:1px solid var(--ss-line);border-radius:12px}.ss-answer-card label{display:flex;align-items:center;gap:8px;font-size:.85rem;font-weight:650;margin-bottom:12px}.ss-answer-card select{width:100%;font-size:.88rem}.ss-feedback{margin-top:13px!important;font-size:.87rem}.ss-feedback[data-state]{padding:12px;border-radius:6px}.ss-feedback[data-state=correct]{color:#125642;background:#e8f6ee;border-left:3px solid #238164}.ss-feedback[data-state=retry]{color:#74430a;background:#fff3dc;border-left:3px solid #b27215}.ss [aria-invalid=true]{border-color:#a86410}.ss-subheading{font-size:1.05rem;margin:24px 0 14px!important}.ss-check-row{display:flex;align-items:center;gap:20px;margin-top:20px}.ss-check-row p{font-size:.88rem}.ss-question{padding:24px;border:1px solid var(--ss-line);background:var(--ss-paper);border-radius:12px;margin-bottom:16px}.ss-question fieldset{padding:0;margin:0 0 14px;border:0;min-width:0}.ss-question legend{display:block;width:100%;margin-bottom:18px}.ss-question legend>span{display:block}.ss-question-title{font-size:1.13rem;font-weight:700;margin-top:8px}.ss-option{display:flex;align-items:flex-start;gap:12px;border:1px solid var(--ss-line);border-radius:8px;padding:12px 14px;margin-top:8px;cursor:pointer;font-size:.92rem}.ss-option:has(input:checked){border-color:var(--ss-accent);background:var(--ss-soft)}.ss-option input{margin-top:4px;width:18px;height:18px;accent-color:#086769;flex:none}.ss-teacher-note{border-top:1px solid var(--ss-line);margin-top:30px;padding-top:14px;font-size:.85rem;color:var(--ss-muted)}.ss-teacher-note a{color:var(--ss-accent);text-decoration:underline}.ss-tool-status{margin-top:10px!important;font-size:.85rem}.ss-note{padding:14px;background:var(--ss-paper)}.ss-print-only{display:none}.ss-distance-lab{padding:22px;margin:20px 0;border:1px solid var(--ss-line);border-radius:14px;background:var(--ss-paper)}.ss-distance-lab h2{font-size:1.4rem;margin:6px 0 10px}.ss-distance-lab p{font-size:.88rem}.ss-distance-control{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:18px 0 6px}.ss-distance-control label{font-size:.85rem;font-weight:650}.ss-distance-control input{flex:1;min-width:140px;max-width:400px;min-height:44px;accent-color:#086769}.ss-distance-control output{font-weight:750;min-width:4em}.ss-distance-rule{position:relative;display:block;width:100%;height:80px;margin:10px 0;border-radius:8px;background:#f5f9f8}.ss-distance-track{position:absolute;top:35px;right:2%;left:2%;height:2px;background:#64748b}.ss-distance-marker{position:absolute;top:31px;left:var(--ss-distance-position);width:8px;height:8px;border-radius:50%;background:#086769;transform:translateX(-50%)}.ss-distance-marker--sun{top:28px;width:14px;height:14px;background:#a65b00}.ss-distance-end{position:absolute;top:55px;color:#365767;font-size:16px}.ss-distance-end--start{left:2%}.ss-distance-end--end{right:2%}.ss-distance-values{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:12px 0}.ss-distance-values>div{border:1px solid var(--ss-line);border-radius:8px;padding:10px 12px;display:flex;flex-direction:column}.ss-distance-values span{font-size:1.2rem;font-weight:750;color:var(--ss-accent)}.ss-distance-note,.ss-distance-values small{color:var(--ss-muted)!important}.ss:fullscreen{max-width:none;width:100%;height:100%;overflow:auto;background:var(--ss-soft);padding:18px 30px}.ss:fullscreen .ss-heading{margin-bottom:12px}.ss:fullscreen .ss-back,.ss:fullscreen .ss-heading .ss-eyebrow,.ss:fullscreen .ss-lead{display:none}.ss:fullscreen .ss-heading h1{font-size:1.7rem;margin:0}.ss:fullscreen .ss-scene-scroll{max-width:1200px;margin:auto}[data-theme=dark] .ss{--ss-ink:#e0ecee;--ss-muted:#b2c5cd;--ss-paper:#172e38;--ss-soft:#10242d;--ss-line:#3b555e;--ss-accent:#7edbd0}@media screen and (max-width:1000px){.ss-heading{align-items:flex-start;flex-direction:column;gap:16px}.ss-heading-actions{justify-content:flex-start}.ss-discovery-grid{grid-template-columns:280px minmax(0,1fr)}.ss-scene-tag{display:none}.ss-answer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media screen and (max-width:680px){.ss-distance-lab{padding:16px}.ss-distance-values{grid-template-columns:repeat(2,minmax(0,1fr))}.ss{padding:20px 12px 32px}.ss-heading h1{font-size:2.1rem}.ss-heading-actions{gap:8px}.ss-heading-actions .ss-button{padding:9px 10px}.ss-modes{gap:0}.ss-modes button{flex:1;padding:10px 6px;font-size:.81rem}.ss-modes button span{display:block;margin:0}.ss-landscape{min-width:1200px}.ss-map-note,.ss-scene-top{padding:12px}.ss-scene-scroll::after{content:'↔ Fais glisser le schéma pour voir les autres planètes.';display:block;position:sticky;left:0;padding:6px 12px;color:#365767;background:#fff;font-size:.72rem}.ss-answer-grid,.ss-discovery-grid{grid-template-columns:1fr}.ss-stage-list{grid-template-columns:1fr 1fr}.ss-stage-button{padding:10px;gap:8px;font-size:.78rem}.ss-stage-button small{display:none}.ss-explanations{padding:22px}.ss-section-intro{align-items:flex-start;flex-direction:column}.ss-check-row{align-items:flex-start;flex-direction:column;gap:12px}.ss-question{padding:18px}.ss:fullscreen{padding:12px}}@media print{@page{size:A4 portrait;margin:12mm}#main-content,.ss,body,html{background:#fff!important;color:#111!important;margin:0!important;padding:0!important;width:auto!important;max-width:none!important}#main-content>:not(.ss),.ss>:not(.ss-print-only),body>:not(main):not(script):not(style):not(link){display:none!important}.ss .ss-print-only{display:block!important;font:11pt/1.4 sans-serif;color:#111}.ss-print-heading{display:flex;justify-content:space-between;align-items:baseline;gap:10mm;border-bottom:1pt solid #222;padding-bottom:3mm;margin-bottom:3mm}.ss-print-heading strong{font-size:19pt}.ss-print-heading span{font-size:9pt}.ss .ss-print-only p{color:#111!important;margin:2mm 0}.ss .ss-print-only h2{color:#111!important;font-size:13pt;margin:4mm 0 2mm}.ss .ss-print-only .ss-landscape{min-width:0;width:100%;height:300px;border-radius:0;print-color-adjust:exact;-webkit-print-color-adjust:exact;transform-origin:top left}.ss .ss-print-only .ss-landscape-heading{top:24px;left:26px}.ss .ss-print-only .ss-landscape-heading strong{font-size:14px}.ss .ss-print-only .ss-landscape-heading span{font-size:8px}.ss .ss-print-only .ss-orbit-line{top:151px;right:26px;left:26px}.ss .ss-print-only .ss-planet-row{transform:scale(.5);transform-origin:top left;width:200%;height:200%}.ss .ss-print-only .ss-landscape-footer{right:26px;bottom:7px;left:26px;font-size:8px}.ss-print-labels{display:grid;grid-template-columns:1fr 1fr;gap:1mm 5mm}.ss-print-page-two{break-before:page}.ss-print-question{break-inside:avoid;margin-bottom:7mm}.ss-print-credit{font-size:8pt;margin-top:8mm!important}.ss[data-print-kind=answer] .ss-print-student{display:none!important}.ss:not([data-print-kind=answer]) .ss-print-answer{display:none!important}.ss:not([data-print-kind=answer]) .ss-print-only [data-solar-label]{visibility:hidden}.ss[data-print-kind=answer] .ss-print-only [data-solar-label]{visibility:visible}.ss .ss-print-only [hidden]{display:initial!important}}