/* Le Café des Maths — Voyages mathématiques : échelles • 1.1.0 */
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span:nth-child(even){display:none}.lcdm-voyage .lcdm-readout{padding-bottom:18px}.lcdm-voyage .lcdm-timeline{gap:5px}.lcdm-voyage .lcdm-timeline button{font-size:9px;padding:7px 8px}.lcdm-voyage .lcdm-bar-bottom{gap:12px}.lcdm-voyage .lcdm-explain{font-size:10px}.lcdm-voyage .lcdm-intro h2{font-size:40px}.lcdm-voyage .lcdm-sources{font-size:10px}}@media(prefers-reduced-motion:reduce){.lcdm-voyage *{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

@media(max-width:600px){.lcdm-voyage .lcdm-top-actions .lcdm-pill{display:none}.lcdm-voyage .lcdm-topbar{right:15px}.lcdm-voyage .lcdm-brand{max-width:260px;white-space:normal;line-height:1.4}.lcdm-voyage .lcdm-zoom-guide{display:none}.lcdm-voyage .lcdm-fab-primary{min-width:82px;justify-content:center}}

.lcdm-voyage .lcdm-workshop{background:#f4f0e9;color:#25394c;padding:23px clamp(16px,4%,50px) 26px;border-top:1px solid #e4ded3}.lcdm-voyage .lcdm-workshop-heading{display:flex;align-items:baseline;gap:18px;margin-bottom:13px;flex-wrap:wrap}.lcdm-voyage .lcdm-workshop-heading span{font-size:10px;letter-spacing:.18em;font-weight:750;color:#9d7346}.lcdm-voyage .lcdm-workshop-heading strong{font-family:'Playfair Display',Georgia,serif;font-size:19px;font-weight:400}.lcdm-voyage .lcdm-workshop-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.lcdm-voyage .lcdm-activity{background:#fffefa;border:1px solid #dedbd3;border-radius:12px;overflow:hidden}.lcdm-voyage .lcdm-activity>summary{padding:16px;list-style:none;display:flex;align-items:center;gap:13px;cursor:pointer;font-size:13px}.lcdm-voyage .lcdm-activity>summary::-webkit-details-marker{display:none}.lcdm-voyage .lcdm-activity>summary>span:last-child{margin-left:auto;color:#967650;font-size:20px}.lcdm-voyage .lcdm-activity[open]>summary>span:last-child{transform:rotate(45deg)}.lcdm-voyage .lcdm-activity-icon{width:40px;height:40px;flex:0 0 40px;background:#e8dcc9;color:#835c35;border-radius:50%;display:grid;place-items:center;font-weight:800;font-family:'Playfair Display',Georgia,serif;font-size:16px}.lcdm-voyage .lcdm-activity summary strong{display:block;color:#24394b}.lcdm-voyage .lcdm-activity summary small{display:block;margin-top:4px;font-size:11px;color:#728093}.lcdm-voyage .lcdm-activity-body{padding:5px 18px 18px;border-top:1px solid #f0ebe3;font-size:12px;color:#4b5d6e}.lcdm-voyage .lcdm-activity-body p{line-height:1.6}.lcdm-voyage .lcdm-compare-inputs{display:grid;grid-template-columns:1fr 1fr;gap:8px}.lcdm-voyage .lcdm-compare-inputs label{display:grid;gap:5px;font-size:11px;color:#405366}.lcdm-voyage .lcdm-compare-inputs select{width:100%;min-width:0;color:#23394c;background:#f5f1ec;border:1px solid #d4d4d4}.lcdm-voyage .lcdm-compare-result{border-radius:9px;background:#f5f1e9;color:#374a5b;padding:13px;margin-bottom:0}.lcdm-voyage .lcdm-compare-result strong{color:#946030}.lcdm-voyage .lcdm-quiz-progress{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:#a16e39}.lcdm-voyage .lcdm-quiz-question{font-family:'Playfair Display',Georgia,serif;font-size:17px;font-weight:400;color:#24394b;line-height:1.4;margin:7px 0 11px}.lcdm-voyage .lcdm-quiz-answers{display:grid;grid-template-columns:1fr 1fr;gap:7px}.lcdm-voyage .lcdm-quiz-answers button{background:#f7f3ec;color:#233e51;border:1px solid #ddd5c7;border-radius:8px;padding:10px;text-align:left;font-size:12px}.lcdm-voyage .lcdm-quiz-answers button:hover{background:#eadcc6}.lcdm-voyage .lcdm-quiz-answers button[disabled]{cursor:default;opacity:.9}.lcdm-voyage .lcdm-quiz-answers button[data-correct=true]{border-color:#458a64;background:#d7eddd}.lcdm-voyage .lcdm-quiz-answers button[data-correct=false]{border-color:#a35a4c;background:#f5e1db}.lcdm-voyage .lcdm-quiz-next{border:0;border-radius:99px;background:#233a4e;color:white;padding:10px 13px;font-size:11px;font-weight:700}.lcdm-voyage .lcdm-quiz-feedback{font-size:12px;color:#4c5f6c;min-height:18px}@media(max-width:750px){.lcdm-voyage .lcdm-workshop-grid{grid-template-columns:1fr}}@media(max-width:430px){.lcdm-voyage .lcdm-compare-inputs{grid-template-columns:1fr}.lcdm-voyage .lcdm-quiz-answers{grid-template-columns:1fr}}

/* Version 1.1 : icônes géométriquement centrées et vrais contrôles de zoom. */
.lcdm-voyage .lcdm-iconbtn{display:inline-flex;align-items:center;justify-content:center;padding:0;line-height:1;flex-shrink:0}
.lcdm-voyage .lcdm-iconbtn svg{display:block;width:18px;height:18px;flex:none;pointer-events:none}
.lcdm-voyage .lcdm-iconbtn .lcdm-sound-on{display:none}
.lcdm-voyage .lcdm-iconbtn[data-active="true"] .lcdm-sound-off{display:none}
.lcdm-voyage .lcdm-iconbtn[data-active="true"] .lcdm-sound-on{display:block}
.lcdm-voyage .lcdm-audio-status{font-size:11px;color:#d7a784;max-width:175px;line-height:1.25}
.lcdm-voyage .lcdm-audio-status:empty{display:none}
.lcdm-voyage .lcdm-vertical{right:clamp(14px,2.9%,36px);top:28%;height:40%;z-index:5;display:flex;flex-direction:column;align-items:center;justify-content:space-between;gap:10px;pointer-events:auto}
.lcdm-voyage .lcdm-side-zoom{display:flex;justify-content:center;align-items:center;line-height:1;width:39px;height:39px;padding:0;border-radius:12px;color:#f4d2a2;background:rgba(9,24,40,.86);border:1px solid rgba(227,196,146,.4);font-weight:500;font-size:24px;box-shadow:0 4px 15px rgba(0,0,0,.16);backdrop-filter:blur(10px)}
.lcdm-voyage .lcdm-side-zoom:hover{background:rgba(44,71,98,.92);border-color:#e9c28d;color:#fff}
.lcdm-voyage .lcdm-side-zoom:disabled{opacity:.38;cursor:not-allowed}
.lcdm-voyage .lcdm-vertical-mid{flex:1;min-height:22px;display:flex;align-items:center;justify-content:center;gap:10px;pointer-events:none}
.lcdm-voyage .lcdm-vertical-line{height:100%;min-height:24px;width:1px;background:linear-gradient(180deg,rgba(215,235,253,.02),rgba(215,235,253,.42),rgba(215,235,253,.02))}
.lcdm-voyage .lcdm-vertical-line:before,.lcdm-voyage .lcdm-vertical-line:after{display:none;content:none}
.lcdm-voyage .lcdm-vertical-text{white-space:nowrap;writing-mode:vertical-rl;font-size:9px;letter-spacing:.21em;color:#c6d1de;text-transform:uppercase}
.lcdm-voyage .lcdm-zoom-guide{font-size:10px;letter-spacing:.13em;color:#d8e4eb;white-space:nowrap}
@media(max-width:900px){.lcdm-voyage .lcdm-vertical{display:flex;top:36%;height:28%;right:14px}.lcdm-voyage .lcdm-side-zoom{width:35px;height:35px;font-size:22px}.lcdm-voyage .lcdm-vertical-text{display:none}.lcdm-voyage .lcdm-vertical-mid{min-height:24px}}
@media(max-width:600px){.lcdm-voyage .lcdm-top-actions .lcdm-iconbtn svg{width:17px;height:17px}.lcdm-voyage .lcdm-vertical{right:10px;top:36%;height:27%}.lcdm-voyage .lcdm-side-zoom{width:33px;height:33px}.lcdm-voyage .lcdm-speed{flex-wrap:wrap}}

/* 1.2 : identité, raccourcis épurés, comparateur, commandes audio synchronisées. */
.lcdm-voyage .lcdm-brand-mark{display:inline-flex;justify-content:center;align-items:center;padding:0;flex-shrink:0;line-height:0}
.lcdm-voyage .lcdm-brand-mark svg{display:block;width:21px;height:21px;transform:translateY(0);flex:none}
.lcdm-voyage .lcdm-brand{gap:10px;line-height:1.35;max-width:min(70%,660px)}
.lcdm-voyage .lcdm-brand>span:last-child{white-space:normal;letter-spacing:.105em}
.lcdm-voyage .lcdm-site-signature{letter-spacing:.13em;white-space:nowrap}
.lcdm-voyage .lcdm-meter-header{justify-content:flex-start}
.lcdm-voyage .lcdm-lower{grid-template-columns:minmax(0,1fr)!important}
.lcdm-voyage .lcdm-compare-inputs{margin-bottom:14px}
.lcdm-voyage .lcdm-compare-result{margin:8px 0 0!important;box-sizing:border-box;width:100%;min-width:0;line-height:1.65;display:block;clear:both;text-align:left;overflow-wrap:break-word}
.lcdm-voyage .lcdm-compare-result strong{white-space:normal}
.lcdm-voyage .lcdm-volume-wrap{position:relative;display:flex;align-items:center;flex:0 0 auto}
.lcdm-voyage .lcdm-volume-btn{color:#e8d1ac}
.lcdm-voyage .lcdm-volume-pop{position:absolute;z-index:32;right:0;bottom:calc(100% + 12px);width:205px;box-sizing:border-box;border:1px solid #48627c;background:#10253b;border-radius:13px;padding:15px;box-shadow:0 15px 36px rgba(0,0,0,.32)}
.lcdm-voyage .lcdm-volume-pop[hidden]{display:none}
.lcdm-voyage .lcdm-volume-pop label{display:flex;justify-content:space-between;font-size:10px;letter-spacing:.1em;color:#d2dfeb;margin-bottom:11px}
.lcdm-voyage .lcdm-volume-pop input{display:block;width:100%;accent-color:var(--lcdm-gold);cursor:pointer}
.lcdm-voyage .lcdm-speed{gap:8px}
@media(max-width:600px){.lcdm-voyage .lcdm-brand{max-width:65%;font-size:7.7px}.lcdm-voyage .lcdm-brand-mark svg{width:18px;height:18px}.lcdm-voyage .lcdm-site-signature{display:none}.lcdm-voyage .lcdm-volume-pop{width:175px;right:-12px}}

/* Conserver la signature sur les petits écrans sans écraser le titre. */
@media(max-width:600px){.lcdm-voyage .lcdm-topbar{align-items:flex-start;left:12px;right:12px;top:15px}.lcdm-voyage .lcdm-brand{max-width:57%;align-items:flex-start;gap:6px;font-size:7.2px;line-height:1.32}.lcdm-voyage .lcdm-brand-mark{width:26px;height:26px;flex:0 0 26px}.lcdm-voyage .lcdm-brand>span:last-child{padding-top:3px}.lcdm-voyage .lcdm-top-actions{flex:0 0 auto;gap:4px;padding-top:21px}.lcdm-voyage .lcdm-site-signature{display:block!important;position:absolute;top:0;right:0;font-size:7px;line-height:1;padding:3px 6px;letter-spacing:.04em}.lcdm-voyage .lcdm-power{top:106px}.lcdm-voyage .lcdm-power-meter{top:196px}.lcdm-voyage .lcdm-jump{top:108px}}

/* Version 1.3 — journal et approfondissements sombres, fenêtres pédagogiques. */
.lcdm-voyage .lcdm-site-signature{color:#d5c8b1;border-color:rgba(213,200,177,.24)}
.lcdm-voyage .lcdm-bottom-panel{background:linear-gradient(155deg,#0a1523 0%,#0d1e30 66%,#091724 100%);border-top:1px solid rgba(223,234,250,.13);padding:23px clamp(16px,4%,50px) 17px;color:#e7edf3}
.lcdm-voyage .lcdm-bottom-grid{display:grid;grid-template-columns:minmax(0,1.95fr) minmax(250px,1fr);gap:clamp(14px,2vw,25px);align-items:stretch}
.lcdm-voyage .lcdm-detail{display:block;min-width:0;padding:18px 22px;border-radius:15px;background:rgba(13,29,46,.48);border:1px solid rgba(215,231,244,.13);color:#e7edf3}
.lcdm-voyage .lcdm-detail-intro,.lcdm-voyage .lcdm-workshop-heading span{color:var(--lcdm-gold);font-size:10px;letter-spacing:.17em;font-weight:750;margin-bottom:9px}
.lcdm-voyage .lcdm-detail h3{font-family:'Playfair Display',Georgia,serif;font-size:clamp(20px,2.35vw,29px);font-weight:400;color:#faf3e6;margin:0 0 9px}
.lcdm-voyage .lcdm-detail p{font-size:13px;line-height:1.68;color:#cbd9e3;margin:0}
.lcdm-voyage .lcdm-detail .lcdm-fact-body{margin:14px 0 0;padding:4px 0 4px 14px;border-left:2px solid var(--lcdm-gold);color:#f0ddbc}
.lcdm-voyage .lcdm-more-btn,.lcdm-voyage .lcdm-workshop-open{display:inline-flex;justify-content:center;align-items:center;gap:10px;margin-top:17px;padding:10px 15px;border:1px solid rgba(206,164,97,.60);border-radius:99px;color:#ffdb9f;background:rgba(206,164,97,.09);font-size:12px;font-weight:650;transition:background .15s ease}
.lcdm-voyage .lcdm-more-btn:hover,.lcdm-voyage .lcdm-workshop-open:hover{background:rgba(206,164,97,.24)}
.lcdm-voyage .lcdm-workshop{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;min-width:0;background:rgba(13,29,46,.48);border:1px solid rgba(215,231,244,.13);border-radius:15px;padding:21px 22px;color:#d6e2ed}
.lcdm-voyage .lcdm-workshop-heading{display:block;margin:0}
.lcdm-voyage .lcdm-workshop-heading strong{display:block;color:#f6efe2;font-family:'Playfair Display',Georgia,serif;font-size:clamp(19px,2vw,24px);font-weight:400;line-height:1.25}
.lcdm-voyage .lcdm-workshop>p{font-size:12px;line-height:1.6;color:#a9c0d2;margin:12px 0 0}
.lcdm-voyage .lcdm-sources{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;border:1px solid rgba(216,235,246,.12);border-radius:12px;padding:13px 16px;margin-top:14px;background:rgba(2,11,21,.30);font-size:10.5px;line-height:1.65;color:#aebfce}
.lcdm-voyage .lcdm-sources strong{color:#eed1a0}.lcdm-voyage .lcdm-sources a{color:#f0cc97}
.lcdm-voyage .lcdm-modal{position:fixed;inset:0;margin:auto;padding:0;width:min(760px,calc(100vw - 28px));max-height:min(88vh,840px);overflow:auto;border:1px solid rgba(218,231,245,.26);border-radius:18px;background:linear-gradient(155deg,#10263b,#0a1726);color:#e9f1f6;box-shadow:0 35px 90px rgba(0,0,0,.65)}
.lcdm-voyage .lcdm-modal::backdrop{background:rgba(2,7,16,.82);backdrop-filter:blur(7px)}
.lcdm-voyage .lcdm-modal:not([open]){display:none}
.lcdm-voyage .lcdm-modal-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;border-bottom:1px solid rgba(215,230,244,.14);padding:27px 30px 20px}
.lcdm-voyage .lcdm-modal-kicker{color:var(--lcdm-gold);font-size:10px;letter-spacing:.16em;font-weight:750}
.lcdm-voyage .lcdm-modal-head h2{font:400 clamp(24px,3vw,32px)/1.18 'Playfair Display',Georgia,serif;color:#f8efdf;margin:8px 0}
.lcdm-voyage .lcdm-modal-head p{font-size:12px;color:#bbcfdd;margin:0}
.lcdm-voyage .lcdm-modal-close{display:grid;place-items:center;flex:0 0 38px;width:38px;height:38px;border:1px solid rgba(220,234,247,.24);border-radius:12px;color:#e9f3f9;background:rgba(255,255,255,.065);font-size:26px;line-height:1;padding:0}
.lcdm-voyage .lcdm-modal-close:hover{background:rgba(255,255,255,.16)}
.lcdm-voyage .lcdm-modal .lcdm-workshop-grid{display:grid;grid-template-columns:1fr;gap:12px;padding:20px 30px 30px}
.lcdm-voyage .lcdm-modal .lcdm-activity{background:#122b3f;border:1px solid rgba(214,230,243,.18);border-radius:12px;color:#e7f0f4}
.lcdm-voyage .lcdm-modal .lcdm-activity>summary{padding:17px 18px}
.lcdm-voyage .lcdm-modal .lcdm-activity-icon{color:#442e12;background:#e7c38b}
.lcdm-voyage .lcdm-modal .lcdm-activity summary strong{color:#f9e9d1}.lcdm-voyage .lcdm-modal .lcdm-activity summary small{color:#b9cbd9}
.lcdm-voyage .lcdm-modal .lcdm-activity-body{border-top:1px solid rgba(215,231,243,.15);padding:18px;color:#ccdae3}
.lcdm-voyage .lcdm-modal .lcdm-activity-body p{color:#d4e0e8}
.lcdm-voyage .lcdm-modal .lcdm-compare-inputs select{max-width:none;width:100%;color:#203549;background:#f7f3eb}
.lcdm-voyage .lcdm-modal .lcdm-compare-inputs label{color:#e1eaf0}
.lcdm-voyage .lcdm-modal .lcdm-compare-result{background:#1c394f;color:#ecf4f8;border:1px solid rgba(204,222,236,.16);margin-top:14px!important}
.lcdm-voyage .lcdm-modal .lcdm-compare-result strong{color:#ffdb9f}
.lcdm-voyage .lcdm-modal .lcdm-quiz-question{color:#f8e9d1}.lcdm-voyage .lcdm-modal .lcdm-quiz-progress{color:#e7c38b}
.lcdm-voyage .lcdm-modal .lcdm-quiz-answers button{background:#1b354b;color:#e7eff5;border:1px solid #527089}
.lcdm-voyage .lcdm-modal .lcdm-quiz-answers button:hover{background:#2c4a61}
.lcdm-voyage .lcdm-modal .lcdm-quiz-answers button[data-correct=true]{color:#20503a;background:#d3ebd9}
.lcdm-voyage .lcdm-modal .lcdm-quiz-answers button[data-correct=false]{color:#65302b;background:#f5d7d3}
.lcdm-voyage .lcdm-modal .lcdm-quiz-feedback{color:#d5e1e9}
.lcdm-voyage .lcdm-modal .lcdm-quiz-next{background:#eac68d;color:#192d42}
.lcdm-voyage .lcdm-more-text{padding:24px 30px 12px}
.lcdm-voyage .lcdm-more-text p{color:#d3e1eb;font-size:14px;line-height:1.75;margin:0 0 16px}
.lcdm-voyage .lcdm-more-text .lcdm-more-subtitle{font-family:'Playfair Display',Georgia,serif;color:#f7e1b9;font-size:19px}
.lcdm-voyage .lcdm-more-text .lcdm-more-fact{padding:13px 17px;border-left:2px solid var(--lcdm-gold);background:rgba(237,189,118,.06);border-radius:0 9px 9px 0;color:#f4debc}
.lcdm-voyage .lcdm-more-disclaimer{padding:0 30px 22px;font-size:11px;color:#aac0d2;line-height:1.65;margin:0}
@media(max-width:810px){.lcdm-voyage .lcdm-bottom-grid{grid-template-columns:1fr 1fr}.lcdm-voyage .lcdm-detail,.lcdm-voyage .lcdm-workshop{padding:18px}}
@media(max-width:660px){.lcdm-voyage .lcdm-bottom-grid{grid-template-columns:1fr}.lcdm-voyage .lcdm-bottom-panel{padding:14px}.lcdm-voyage .lcdm-detail,.lcdm-voyage .lcdm-workshop{padding:17px}.lcdm-voyage .lcdm-sources{display:block}.lcdm-voyage .lcdm-footnote{display:block;margin-top:7px}.lcdm-voyage .lcdm-modal-head{padding:20px 17px 15px}.lcdm-voyage .lcdm-modal .lcdm-workshop-grid{padding:15px 16px 22px}.lcdm-voyage .lcdm-more-text{padding:18px 17px 8px}.lcdm-voyage .lcdm-more-disclaimer{padding:0 17px 20px}}

/* Version 1.4 — commandes de zoom latérales et légendes superflues supprimées. */
.lcdm-voyage .lcdm-vertical,.lcdm-voyage .lcdm-zoom-guide,.lcdm-voyage .lcdm-meter-header{display:none!important}