/* GoMathy V68 — SVT Ultra Premium
   Objectif : un vrai manuel numérique, dense et élégant, sans empilement de cartes redondantes. */
.svt-course-shell.gm68-ultra{
  --gm68-ink:#10231f;--gm68-muted:#5c6f69;--gm68-green:#0a6f59;--gm68-green2:#11866c;
  --gm68-blue:#285f83;--gm68-line:#d9e8e2;--gm68-paper:#fbfdfc;--gm68-soft:#f2f8f5;
  color:var(--gm68-ink);
}
/* Une seule ouverture premium : les anciens résumés restent dans le DOM mais ne saturent plus la page. */
.gm68-ultra>.gm61-objectives,.gm68-ultra>.gm59-course-bridge{display:none!important}
.gm68-ultra .svt-course-hero{
  position:relative;overflow:hidden;border-color:#b8ddcf!important;background:
  radial-gradient(circle at 91% 8%,rgba(31,166,127,.10),transparent 27%),
  linear-gradient(135deg,#f2fbf7 0%,#fff 52%,#f5f9fc 100%)!important;
  box-shadow:0 18px 50px rgba(17,72,58,.08)!important;
}
.gm68-ultra .svt-course-hero:after{content:"";position:absolute;right:-65px;bottom:-95px;width:260px;height:260px;border:1px solid rgba(13,117,91,.08);border-radius:50%;box-shadow:0 0 0 35px rgba(13,117,91,.026),0 0 0 72px rgba(13,117,91,.018);pointer-events:none}
.gm68-ultra .svt-course-hero-icon{border:1px solid #d5e9e2;background:rgba(255,255,255,.92)!important;box-shadow:0 10px 24px rgba(16,84,65,.10)!important}
.gm68-ultra .svt-course-summary{max-width:1120px!important;color:#334d46!important}
.gm68-ultra .svt-course-problem{display:none!important}
/* Tableau de bord du chapitre */
.gm68-dashboard{margin:14px 0 12px;border:1px solid #c8e1d8;border-radius:22px;background:#fff;box-shadow:0 12px 32px rgba(16,72,58,.065);overflow:hidden}
.gm68-dashboard-head{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:13px 17px;border-bottom:1px solid #e0ece7;background:linear-gradient(90deg,#f6fbf8,#fff)}
.gm68-dashboard-head small{display:block;color:#08705a;font:900 .61rem/1.2 system-ui;letter-spacing:.14em}.gm68-dashboard-head h3{margin:3px 0 0;color:#102a23;font-size:1rem;line-height:1.2}
.gm68-dashboard-actions{display:flex;align-items:center;gap:8px}.gm68-dashboard-actions>span,.gm68-dashboard-actions button{border:1px solid #cde5dc;border-radius:999px;background:#fff;padding:6px 10px;color:#176a57;font-size:.68rem;font-weight:850}.gm68-dashboard-actions button{cursor:pointer}.gm68-dashboard-actions button:hover{background:#edf8f3}.gm68-dashboard-actions button[aria-pressed="true"]{background:#0c735c;color:#fff;border-color:#0c735c}
.gm68-dashboard-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(320px,.82fr);gap:10px;padding:10px}
.gm68-focus-card,.gm68-core-card{min-width:0;border:1px solid #e1ebe7;border-radius:16px;padding:14px 15px;background:#fff}.gm68-focus-card{background:linear-gradient(140deg,#f0f9f5,#fff 68%);border-color:#c9e7dc}.gm68-card-kicker{display:flex;align-items:center;gap:7px;color:#537069;font:900 .58rem/1.2 system-ui;letter-spacing:.11em}.gm68-card-kicker span{display:grid;place-items:center;width:23px;height:23px;border-radius:7px;background:#0b715a;color:#fff;letter-spacing:0;font-size:.64rem}.gm68-focus-card h4{margin:9px 0 5px;color:#112c24;font-size:1.03rem;line-height:1.35}.gm68-focus-card>p{margin:0;color:#526760;font-size:.77rem;line-height:1.48}.gm68-mini-chain{display:flex;align-items:center;gap:5px;flex-wrap:wrap;margin-top:10px;padding-top:9px;border-top:1px dashed #cfe3db}.gm68-mini-chain b{padding:4px 7px;border-radius:8px;background:#fff;border:1px solid #dfeae6;color:#315c50;font-size:.67rem}.gm68-mini-chain i{color:#168069;font-style:normal;font-weight:900}
.gm68-core-list{display:grid;gap:6px;margin-top:9px}.gm68-core-list>div{display:grid;grid-template-columns:25px minmax(0,1fr);gap:8px;align-items:start;padding:7px 8px;border-radius:10px;background:#f8fbfa}.gm68-core-list i{display:grid;place-items:center;width:23px;height:23px;border-radius:7px;background:#e6f5ef;color:#08705a;font-style:normal;font-size:.67rem;font-weight:950}.gm68-core-list p{margin:1px 0 0;color:#344f47;font-size:.73rem;line-height:1.42}
.gm68-dashboard-foot{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:9px 13px;border-top:1px solid #e3ece8;background:#fbfdfc}.gm68-progress{display:grid;grid-template-columns:auto minmax(100px,1fr) auto;gap:10px;align-items:center}.gm68-progress>div{display:flex;gap:7px;align-items:baseline}.gm68-progress strong{font-size:.69rem;color:#1f493e}.gm68-progress span{font-size:.63rem;color:#71817c}.gm68-progress em{display:block;height:6px;border-radius:999px;background:#e5eeea;overflow:hidden}.gm68-progress em i{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,#0d765e,#33a884);transition:width .25s ease}.gm68-progress>b{font-size:.67rem;color:#0b6f58}.gm68-meta-chips{display:flex;gap:5px;flex-wrap:wrap;justify-content:flex-end}.gm68-meta-chips span{padding:4px 7px;border:1px solid #e0ebe6;border-radius:999px;background:#fff;color:#667872;font-size:.61rem}.gm68-meta-chips b{color:#0d715a}
/* Le plan devient une vraie barre de navigation du chapitre. */
.gm68-ultra .svt-course-outline{margin:10px 0 12px!important;padding:5px!important;border:1px solid #dce9e4;border-radius:16px;background:rgba(255,255,255,.94);box-shadow:0 6px 20px rgba(20,69,57,.04)}
.gm68-ultra .svt-course-outline a{flex:1 1 150px;justify-content:flex-start;min-width:0!important;border:0!important;background:transparent!important;border-radius:11px!important;padding:7px 8px!important;color:#405a52!important;font-size:.69rem!important;line-height:1.2}.gm68-ultra .svt-course-outline a:hover{background:#edf7f3!important;color:#0c6d57!important}.gm68-ultra .svt-course-outline a span{width:22px!important;height:22px!important;flex:0 0 22px;background:#e6f4ef!important;color:#0b725b!important;font-size:.64rem!important}
/* Plan de travail V129 : compact, pro, mais conservé pour sa progression interactive. */
.gm68-ultra .svt129-workplan{margin:10px 0!important;padding:10px 12px!important;border:1px solid #e0eae6!important;background:#fff!important;box-shadow:none!important}.gm68-ultra .svt129-workplan header{margin-bottom:7px!important}.gm68-ultra .svt129-workplan header p{font-size:.52rem!important}.gm68-ultra .svt129-workplan h3{font-size:.86rem!important}.gm68-ultra .svt129-workgrid{gap:5px!important}.gm68-ultra .svt129-workgrid button{min-height:46px!important;padding:6px 7px!important}.gm68-ultra .svt129-workgrid button>span{width:21px!important;height:21px!important;flex-basis:21px!important;font-size:.62rem!important}.gm68-ultra .svt129-workgrid button b{font-size:.62rem!important}.gm68-ultra .svt129-workgrid button small{font-size:.53rem!important}
/* Sections : blanc éditorial, forte hiérarchie, moins de 'cartes pastel'. */
.gm68-ultra .svt-course-main{gap:14px!important}
.gm68-ultra .svt-course-section{position:relative;padding:16px!important;border:1px solid #dce8e3!important;border-radius:19px!important;background:#fff!important;box-shadow:0 8px 24px rgba(19,63,52,.05)!important}
.gm68-ultra .svt-course-section:before{content:"";position:absolute;inset:0 auto 0 0;width:4px;border-radius:19px 0 0 19px;background:linear-gradient(180deg,#0b745c,#73bba4)}
.gm68-ultra .svt-section-heading{position:relative;display:grid!important;grid-template-columns:auto auto minmax(0,1fr) auto;align-items:center!important;gap:10px!important;padding:0 0 11px;border-bottom:1px solid #e6eeeb}.gm68-ultra .svt-section-heading>span{width:34px!important;height:34px!important;flex-basis:34px!important;border:1px solid #e1ebe7;box-shadow:none!important;font-size:18px!important}.gm68-section-index{display:grid;grid-template-columns:auto auto;align-items:baseline;gap:2px;line-height:1}.gm68-section-index span{color:#0b715a;font-size:1.05rem;font-weight:950}.gm68-section-index small{color:#9baca6;font-size:.56rem;font-weight:850}.gm68-ultra .svt-section-heading p{font-size:.54rem!important}.gm68-ultra .svt-section-heading h3{font-size:.94rem!important;line-height:1.2!important}.gm68-section-intent{justify-self:end;max-width:250px;padding:4px 7px;border-radius:999px;background:#f2f7f5;color:#657a73;font-size:.57rem;font-weight:750;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.gm68-ultra .gm61-section .svt-course-points{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:8px!important;margin-top:11px!important}.gm68-ultra .gm61-section .svt-course-points>li{padding:10px 11px!important;border-radius:11px!important;line-height:1.48!important;font-size:.76rem!important;box-shadow:none!important}.gm68-ultra .gm61-section .svt-course-points>li.gm61-key{grid-column:1/-1!important;padding:11px 13px!important;background:linear-gradient(90deg,#eff9f5,#fff)!important;border-color:#bddfd2!important}.gm68-ultra .gm61-section .svt-course-points>li.gm61-precision{grid-column:1/-1!important;background:#fbfcfc!important}.gm68-ultra .gm61-point-label{margin-bottom:4px!important;font-size:.51rem!important;letter-spacing:.12em!important}.gm68-ultra .gm59-term{color:#075f4d!important;text-decoration:underline dotted #6fb3a0 1.5px;text-underline-offset:3px;cursor:help}.gm68-ultra .gm59-master-btn{margin-top:9px!important;padding:6px 9px!important;border-radius:999px!important;font-size:.62rem!important;box-shadow:none!important}
.gm68-ultra .gm61-selfcheck{margin-top:7px!important;border-radius:10px!important}.gm68-ultra .gm61-selfcheck summary{padding:7px 9px!important;font-size:.62rem!important}.gm68-ultra .gm61-selfcheck summary em{font-size:.58rem!important}.gm68-ultra .gm61-selfcheck>div{padding:8px 10px!important}
/* Mode révision express : on conserve le mécanisme et la preuve, on retire le secondaire. */
.gm68-essential-mode .gm61-precision,.gm68-essential-mode .svt-vocabulary-card,.gm68-essential-mode .svt-example-grid,.gm68-essential-mode .svt129-competences,.gm68-essential-mode .svt129-sources{display:none!important}.gm68-essential-mode .gm68-proofline{margin-top:12px!important}
/* Chaîne de preuve */
.gm68-proofline{margin:17px 0 0;padding:17px;border:1px solid #d7e7e1;border-radius:21px;background:linear-gradient(135deg,#f8fbfa,#fff);box-shadow:0 8px 25px rgba(16,64,52,.045)}.gm68-proofline>header{display:grid;grid-template-columns:auto 1fr;gap:2px 13px;align-items:end;margin-bottom:11px}.gm68-proofline>header small{grid-row:1/3;color:#0b735b;font:900 .56rem/1.2 system-ui;letter-spacing:.13em;writing-mode:vertical-rl;transform:rotate(180deg)}.gm68-proofline>header h3{margin:0;color:#173a31;font-size:1rem}.gm68-proofline>header p{margin:2px 0 0;color:#6b7d77;font-size:.68rem}.gm68-proofgrid{display:grid;grid-template-columns:minmax(0,.9fr) 22px minmax(0,1.25fr) 22px minmax(0,.9fr);gap:7px;align-items:stretch}.gm68-proofgrid>i{display:grid;place-items:center;color:#77a99a;font-style:normal;font-weight:950}.gm68-proofgrid article{position:relative;padding:12px 12px 11px 41px;border:1px solid #e0ebe7;border-radius:13px;background:#fff}.gm68-proofgrid article>span{position:absolute;left:11px;top:11px;display:grid;place-items:center;width:22px;height:22px;border-radius:7px;background:#e7f4ef;color:#0b715a;font-size:.63rem;font-weight:950}.gm68-proofgrid article>small{display:block;color:#517069;font:900 .52rem/1.2 system-ui;letter-spacing:.09em}.gm68-proofgrid article>p{margin:5px 0 0;color:#415b54;font-size:.69rem;line-height:1.44}.gm68-proof-mech>div{display:flex;gap:4px;flex-wrap:wrap;align-items:center;margin-top:6px}.gm68-proof-mech b{padding:4px 6px;border-radius:7px;background:#f0f7f4;color:#315f53;font-size:.61rem}.gm68-proof-mech em{color:#168069;font-style:normal;font-weight:950}
/* Vocabulaire : aspect lexique éditorial, pas grille de grosses cartes. */
.gm68-ultra .svt-vocabulary-card{display:grid;grid-template-columns:220px minmax(0,1fr);gap:16px;align-items:start;padding:18px!important;border-color:#dde9e4!important;box-shadow:0 8px 22px rgba(18,64,52,.04)!important}.gm68-ultra .svt-vocabulary-card .svt-block-title{position:sticky;top:12px}.gm68-ultra .svt-definition-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:7px!important;margin:0!important}.gm68-ultra .svt-definition-grid article{position:relative;padding:9px 10px 9px 38px!important;border:0!important;border-bottom:1px solid #e5ece9!important;border-radius:0!important;background:transparent!important;outline:none}.gm68-ultra .svt-definition-grid article:before{content:counter(gm68def);counter-increment:gm68def;position:absolute;left:8px;top:9px;display:grid;place-items:center;width:21px;height:21px;border-radius:7px;background:#ecf5f1;color:#0c6f59;font-size:.6rem;font-weight:950}.gm68-ultra .svt-definition-grid{counter-reset:gm68def}.gm68-ultra .svt-definition-grid article:focus{background:#f6faf8!important;border-radius:10px!important}.gm68-ultra .svt-definition-grid h4{margin-bottom:3px!important;font-size:.74rem!important}.gm68-ultra .svt-definition-grid p{font-size:.67rem!important;line-height:1.42!important}
/* Méthode, exemple et activité : même langage graphique. */
.gm68-ultra .svt-method-card{display:grid;grid-template-columns:220px minmax(0,1fr);gap:16px;padding:18px!important;border-color:#dde9e4!important;box-shadow:0 8px 22px rgba(18,64,52,.04)!important}.gm68-ultra .svt-method-steps{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:7px!important;margin:0!important}.gm68-ultra .svt-method-steps li{padding:9px 10px!important;border-radius:11px!important;background:#fafcfc!important}.gm68-ultra .svt-method-steps li>span{width:23px!important;height:23px!important;flex-basis:23px!important;font-size:.62rem!important}.gm68-ultra .svt-method-steps p{font-size:.68rem!important;line-height:1.42!important}.gm68-ultra .svt-example-grid{gap:12px!important}.gm68-ultra .svt-example-card,.gm68-ultra .svt-activity-card{padding:17px!important;border-radius:19px!important;box-shadow:0 8px 22px rgba(18,64,52,.04)!important}.gm68-ultra .svt-example-card{background:linear-gradient(135deg,#fffcf2,#fff)!important}.gm68-ultra .svt-activity-card{background:linear-gradient(135deg,#faf8ff,#fff)!important}.gm68-ultra .svt-example-situation,.gm68-ultra .svt-activity-objective,.gm68-ultra .svt-example-reasoning,.gm68-ultra .svt-example-conclusion,.gm68-ultra .svt-activity-expected{margin-top:8px!important;padding:9px 10px!important;border-radius:11px!important;font-size:.68rem!important;line-height:1.45!important}.gm68-ultra .svt-example-reasoning p,.gm68-ultra .svt-example-conclusion p,.gm68-ultra .svt-activity-expected p{font-size:.68rem!important;line-height:1.45!important}.gm68-ultra .svt-example-reasoning strong,.gm68-ultra .svt-example-conclusion strong,.gm68-ultra .svt-activity-expected strong{font-size:.57rem!important}
/* Bilan final : plus proche d'une page de synthèse que d'un avertissement isolé. */
.gm68-ultra .svt-final-grid{grid-template-columns:minmax(0,1.45fr) minmax(280px,.55fr)!important;gap:12px!important}.gm68-ultra .svt-takeaway-card,.gm68-ultra .svt-pitfall-card{padding:17px!important;border-radius:19px!important;box-shadow:0 8px 22px rgba(18,64,52,.04)}.gm68-ultra .svt-takeaway-card .svt-course-points{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:7px!important}.gm68-ultra .svt-takeaway-card .svt-course-points li{padding:8px 8px 8px 23px!important;font-size:.69rem!important;line-height:1.42!important}.gm68-ultra .svt-pitfall-card p{font-size:.72rem!important;line-height:1.5!important}.gm68-ultra .svt-source-note{opacity:.72;font-size:.62rem!important}
/* Les grands modules premium historiques gardent leur valeur mais cessent d'écraser le cours. */
.gm68-ultra .svt-v124-card,.gm68-ultra .svt-v125-atlas,.gm68-ultra .svt126-proof,.gm68-ultra .svt129-competences{border-radius:20px!important;box-shadow:0 10px 28px rgba(18,64,52,.05)!important}
@media(min-width:1250px){.gm68-ultra .svt-course-main{grid-template-columns:repeat(2,minmax(0,1fr))!important}.gm68-ultra .gm58-course-tool-card{grid-column:1/-1!important}}
@media(max-width:1100px){.gm68-dashboard-grid{grid-template-columns:1fr}.gm68-dashboard-foot{grid-template-columns:1fr}.gm68-meta-chips{justify-content:flex-start}.gm68-ultra .svt-section-heading{grid-template-columns:auto auto minmax(0,1fr)}.gm68-section-intent{display:none}.gm68-proofgrid{grid-template-columns:1fr}.gm68-proofgrid>i{height:16px;transform:rotate(90deg)}.gm68-ultra .svt-vocabulary-card,.gm68-ultra .svt-method-card{grid-template-columns:1fr}.gm68-ultra .svt-vocabulary-card .svt-block-title{position:static}}
@media(max-width:760px){.gm68-dashboard-head{align-items:flex-start;flex-direction:column}.gm68-dashboard-grid{padding:8px}.gm68-dashboard-foot{padding:9px}.gm68-progress{grid-template-columns:1fr auto}.gm68-progress>div{grid-column:1/-1}.gm68-progress em{min-width:150px}.gm68-ultra .gm61-section .svt-course-points{grid-template-columns:1fr!important}.gm68-ultra .gm61-section .svt-course-points>li{grid-column:1!important}.gm68-ultra .svt-definition-grid,.gm68-ultra .svt-method-steps,.gm68-ultra .svt-takeaway-card .svt-course-points{grid-template-columns:1fr!important}.gm68-ultra .svt-final-grid{grid-template-columns:1fr!important}.gm68-ultra .svt-course-outline a{flex:0 0 auto}}
@media(prefers-reduced-motion:reduce){.gm68-progress em i{transition:none}}
@media print{.gm68-dashboard-actions,.gm68-progress,.svt129-workplan,.gm61-selfcheck,.gm59-master-btn{display:none!important}.gm68-dashboard,.gm68-proofline,.gm68-ultra .svt-course-section{break-inside:avoid;box-shadow:none!important}}