/* GoMathy V70 — SVT Experience Reference
   Objectif : relier cours, figure, preuve et média dans une seule expérience cohérente. */
.svt-course-shell.gm70-reference{--gm70-ink:#102721;--gm70-muted:#63756f;--gm70-green:#08715b;--gm70-green2:#0c8368;--gm70-line:#d7e7e1;--gm70-soft:#f5faf8;--gm70-blue:#4d78a1}
.gm70-reference .gm68-mini-chain{display:none!important}
.gm70-reference .gm68-dashboard{margin-bottom:12px!important}
.gm70-reference .gm68-dashboard-grid{grid-template-columns:minmax(0,1.2fr) minmax(330px,.8fr)!important}
.gm70-reference .gm68-focus-card,.gm70-reference .gm68-core-card{min-height:0!important}

/* Figure maîtresse — beaucoup plus large et lisible que la V69. */
.gm70-master{margin:0 0 18px!important;border:1px solid #c4ddd4!important;border-radius:25px!important;background:#fff!important;box-shadow:0 18px 48px rgba(13,73,57,.08)!important;overflow:hidden!important}
.gm70-master>header{display:flex!important;align-items:flex-start!important;justify-content:space-between!important;gap:18px!important;padding:15px 18px!important;border-bottom:1px solid #e1ece8!important;background:linear-gradient(110deg,#f2faf6 0%,#fff 68%)!important}
.gm70-master>header small{display:block;color:#08715b;font:900 .58rem/1.2 system-ui;letter-spacing:.14em}
.gm70-master>header h3{margin:4px 0 0;color:#14382f;font-size:1.08rem;line-height:1.2;letter-spacing:-.015em}
.gm70-master>header p{margin:5px 0 0;max-width:790px;color:#60736d;font-size:.69rem;line-height:1.45}
.gm70-master-controls{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end;flex:none}
.gm70-master-controls button{border:1px solid #cfe1db;border-radius:999px;background:#fff;color:#31594e;padding:7px 10px;font-size:.61rem;font-weight:850;cursor:pointer;transition:background .14s ease,border-color .14s ease,transform .14s ease}
.gm70-master-controls button:hover{background:#f4faf7;border-color:#91c6b6;transform:translateY(-1px)}
.gm70-master-controls button[aria-pressed="true"]{background:#eaf6f1;border-color:#8cc4b3;color:#076451}
.gm70-figure-shell{margin:10px 10px 0;border:1px solid #dde9e5;border-radius:19px;background:radial-gradient(circle at 50% 0,#fff 0,#f7fbfa 60%,#f1f7f5 100%);overflow:hidden}
.gm70-figure-top{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:8px 12px;border-bottom:1px solid #e7efec;background:rgba(255,255,255,.76)}
.gm70-figure-top span{color:#0a705a;font-size:.61rem;font-weight:900;letter-spacing:.06em;text-transform:uppercase}
.gm70-figure-top em{color:#84938e;font-size:.54rem;font-style:normal;text-align:right}
.gm70-master figure{margin:0!important;padding:0!important;border:0!important;background:transparent!important;overflow:hidden!important}
.gm70-master svg{display:block;width:100%!important;height:auto!important;max-height:500px!important;min-width:0!important;shape-rendering:geometricPrecision;text-rendering:optimizeLegibility;filter:drop-shadow(0 10px 20px rgba(22,62,52,.035))}
.gm70-panel-title text{font-size:12px;font-weight:900;letter-spacing:.13em;fill:#526a63}
.gm70-svg-tag{pointer-events:none}
.gm70-svg-tag text{font-family:Inter,system-ui,sans-serif}
.gm70-marker{transform-box:fill-box;transform-origin:center;transition:opacity .2s ease,filter .2s ease,transform .2s ease;animation:gm70Pulse 2.8s ease-in-out infinite}
.gm70-flow{stroke-dasharray:11 8;animation:gm70Flow 2.2s linear infinite}
.gm70-master.is-paused .gm70-marker,.gm70-master.is-paused .gm70-flow{animation-play-state:paused!important}
.gm70-master[data-focus]:not([data-focus="0"]) [data-gm70-svg-step]{opacity:.16;transition:opacity .2s ease,filter .2s ease}
.gm70-master[data-focus="1"] [data-gm70-svg-step="1"],.gm70-master[data-focus="2"] [data-gm70-svg-step="2"],.gm70-master[data-focus="3"] [data-gm70-svg-step="3"],.gm70-master[data-focus="4"] [data-gm70-svg-step="4"]{opacity:1!important;filter:drop-shadow(0 8px 12px rgba(9,111,88,.15))}
.gm70-master.is-quiz .gm70-marker text{opacity:0}
.gm70-master.is-quiz .gm70-svg-tag text{opacity:0}
.gm70-master.is-quiz .gm70-svg-tag rect{fill:#fff;stroke-dasharray:4 4}
@keyframes gm70Pulse{0%,100%{filter:drop-shadow(0 0 0 rgba(8,113,91,0))}50%{filter:drop-shadow(0 0 7px rgba(8,113,91,.20))}}
@keyframes gm70Flow{to{stroke-dashoffset:-38}}

/* Rail de lecture : chaque repère est cliquable et relié au schéma. */
.gm70-steprail{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;padding:10px}
.gm70-steprail>button{display:grid;grid-template-columns:30px minmax(0,1fr);gap:9px;align-items:start;min-height:86px;padding:10px;border:1px solid #dfeae6;border-radius:14px;background:#fbfdfc;text-align:left;cursor:pointer;transition:background .14s ease,border-color .14s ease,box-shadow .14s ease,transform .14s ease}
.gm70-steprail>button:hover{transform:translateY(-1px);background:#f6fbf8;border-color:#b7d9ce;box-shadow:0 8px 18px rgba(16,67,55,.05)}
.gm70-steprail>button[aria-pressed="true"]{background:linear-gradient(135deg,#edf8f4,#fff);border-color:#8ec9b7;box-shadow:0 9px 22px rgba(9,106,83,.08)}
.gm70-steprail>button>span{display:grid;place-items:center;width:28px;height:28px;border-radius:9px;background:#eaf5f1;color:#08715b;font-size:.66rem;font-weight:950}
.gm70-steprail small{display:block;color:#315e52;font:900 .55rem/1.2 system-ui;letter-spacing:.065em;text-transform:uppercase}
.gm70-steprail p{margin:4px 0 0;color:#63756f;font-size:.64rem;line-height:1.38}
.gm70-master.is-quiz .gm70-steprail p{color:transparent;position:relative;user-select:none}
.gm70-master.is-quiz .gm70-steprail p:after{content:"À retrouver sans regarder le cours";position:absolute;left:0;top:0;color:#8a9994;font-size:.59rem;font-style:italic}

/* Chaîne observation → explication → conclusion : un seul bloc, très compact. */
.gm70-evidence{display:grid;grid-template-columns:minmax(0,1fr) 20px minmax(0,1fr) 20px minmax(0,1fr);gap:7px;align-items:stretch;padding:0 10px 11px}
.gm70-evidence>i{display:grid;place-items:center;color:#82aa9e;font-style:normal;font-weight:950}
.gm70-evidence article{display:grid;grid-template-columns:25px minmax(0,1fr);gap:8px;padding:10px;border:1px solid #e1ebe7;border-radius:13px;background:#fff}
.gm70-evidence article>span{display:grid;place-items:center;width:24px;height:24px;border-radius:8px;background:#edf6f2;color:#08715b;font-size:.61rem;font-weight:950}
.gm70-evidence small{display:block;color:#557169;font:900 .51rem/1.2 system-ui;letter-spacing:.08em}
.gm70-evidence p{margin:4px 0 0;color:#4c625b;font-size:.62rem;line-height:1.4}

/* Lien direct depuis chaque partie vers son repère visuel. */
.gm70-reference .svt-section-heading{align-items:center!important}
.gm70-section-link{justify-self:end;display:inline-flex;align-items:center;gap:6px;border:1px solid #d8e7e2;border-radius:999px;background:#fff;color:#4f6b63;padding:4px 8px;font-size:.54rem;font-weight:850;cursor:pointer;white-space:nowrap}
.gm70-section-link span{display:grid;place-items:center;width:18px;height:18px;border-radius:6px;background:#eaf5f1;color:#08715b;font-size:.55rem;font-weight:950}
.gm70-section-link:hover{background:#f4faf7;border-color:#a9d2c5}
.gm70-reference .gm68-section-intent{display:none!important}

/* Sections : densité premium, mais jamais tassées. */
.gm70-reference .svt-course-section{align-self:start!important;height:auto!important;border-color:#d9e8e2!important;box-shadow:0 9px 26px rgba(18,64,52,.045)!important}
.gm70-reference .gm61-section .svt-course-points>li{font-size:.80rem!important;line-height:1.58!important;padding:11px 12px!important}
.gm70-reference .gm61-section .svt-course-points>li.gm61-key{background:linear-gradient(100deg,#eef9f5,#fff)!important;border-color:#b8dccf!important}
.gm70-reference .gm61-selfcheck{background:#fbfdfc!important;border-color:#e1ebe7!important}
.gm70-reference .gm59-master-btn{box-shadow:none!important}

/* Médias : parcours éditorial au lieu d'une simple liste de liens. */
.gm70-media{margin:18px 0 12px!important;border:1px solid #d6e6e0!important;border-radius:22px!important;background:#fff!important;box-shadow:0 10px 28px rgba(16,64,52,.045)!important;overflow:hidden!important}
.gm70-media>header{display:flex!important;justify-content:space-between!important;gap:18px!important;align-items:flex-start!important;padding:14px 17px!important;border-bottom:1px solid #e4ede9!important;background:linear-gradient(90deg,#f5faf8,#fff)!important}
.gm70-media>header small{display:block;color:#08715b;font:900 .55rem/1.2 system-ui;letter-spacing:.14em}
.gm70-media>header h3{margin:4px 0 0;color:#163c32;font-size:.98rem}
.gm70-media>header p{margin:4px 0 0;max-width:780px;color:#657770;font-size:.65rem;line-height:1.45}
.gm70-media>header>span{flex:none;padding:5px 8px;border-radius:999px;background:#f1f7f5;color:#62756f;font-size:.54rem;font-weight:850}
.gm70-media-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding:10px}
.gm70-media-card{position:relative;display:grid;grid-template-columns:25px 38px minmax(0,1fr) auto;gap:9px;align-items:start;min-height:104px;padding:11px;border:1px solid #e0eae6;border-radius:15px;background:#fbfdfc;text-decoration:none!important;transition:transform .14s ease,border-color .14s ease,box-shadow .14s ease}
.gm70-media-card:hover{transform:translateY(-1px);border-color:#a8d0c3;box-shadow:0 9px 22px rgba(17,69,56,.07)}
.gm70-media-rank{display:grid;place-items:center;width:24px;height:24px;border-radius:8px;background:#edf5f2;color:#08715b;font-size:.59rem;font-weight:950}
.gm70-media-icon{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#eaf5f1;color:#08715b;font-size:.9rem;font-weight:950}
.gm70-media-video .gm70-media-icon{background:#fff0ef;color:#b54848}.gm70-media-interactive .gm70-media-icon{background:#eef1ff;color:#5d66ab}
.gm70-media-copy small{display:block;color:#71817b;font-size:.51rem;font-weight:900;letter-spacing:.04em;text-transform:uppercase}
.gm70-media-copy b{display:block;margin-top:2px;color:#183b31;font-size:.69rem;line-height:1.27}
.gm70-media-copy p{margin:3px 0 0;color:#74837e;font-size:.58rem;line-height:1.35}
.gm70-media-copy em{display:inline-block;margin-top:7px;padding:4px 6px;border-radius:7px;background:#f1f7f5;color:#4f6e64;font-size:.54rem;font-style:normal;font-weight:800}
.gm70-media-card>span{align-self:start;color:#657f76;font-size:.52rem;font-weight:850}
.gm70-media>footer{padding:0 13px 11px;color:#85938e;font-size:.54rem;line-height:1.4}

/* Atlas : conserver la puissance graphique mais réduire la sensation d'interface lourde. */
.gm70-reference .gm69-atlas .svt128-toolbar,.gm70-reference .gm69-atlas .svt130-toolbar{gap:5px!important}
.gm70-reference .gm69-atlas .svt128-toolbar button,.gm70-reference .gm69-atlas .svt130-toolbar button{padding:6px 9px!important;font-size:.58rem!important}
.gm70-reference .gm69-atlas .svt128-stage{border-radius:18px!important}

@media(min-width:1500px){
 .gm70-master svg{max-height:525px!important}
 .gm70-reference .svt-course-main{gap:16px!important}
}
@media(max-width:1180px){
 .gm70-steprail{grid-template-columns:repeat(2,minmax(0,1fr))}
 .gm70-evidence{grid-template-columns:1fr}.gm70-evidence>i{height:14px;transform:rotate(90deg)}
 .gm70-media-grid{grid-template-columns:1fr}
 .gm70-media-card{min-height:0}
 .gm70-reference .gm68-dashboard-grid{grid-template-columns:1fr!important}
}
@media(max-width:760px){
 .gm70-master>header,.gm70-media>header{flex-direction:column!important}
 .gm70-master-controls{width:100%;justify-content:flex-start}.gm70-master-controls button{flex:1 1 auto}
 .gm70-figure-top{align-items:flex-start;flex-direction:column;gap:2px}.gm70-figure-top em{text-align:left}
 .gm70-master figure{overflow:hidden!important}.gm70-master svg{width:100%!important;min-width:0!important;max-height:none!important}
 .gm70-steprail{grid-template-columns:1fr}.gm70-steprail>button{min-height:0}
 .gm70-evidence{padding-bottom:9px}
 .gm70-section-link{font-size:0;padding:4px}.gm70-section-link span{font-size:.55rem}.gm70-section-link:after{content:"schéma";font-size:.52rem}
 .gm70-reference .gm61-section .svt-course-points>li{font-size:.78rem!important}
 .gm70-media>header>span{align-self:flex-start}
}
@media(prefers-reduced-motion:reduce){.gm70-marker,.gm70-flow{animation:none!important}.gm70-master-controls button,.gm70-steprail>button,.gm70-media-card{transition:none!important}}
@media print{.gm70-master-controls,.gm70-media,.gm70-section-link{display:none!important}.gm70-master{box-shadow:none!important;break-inside:avoid}.gm70-master svg{max-height:340px!important}.gm70-steprail{grid-template-columns:repeat(2,minmax(0,1fr))}.gm70-evidence{display:none!important}}