/* Nom : Les univers de l’atelier. Auteur : OpenAI pour Maxime.
Fonctionnement : paysages vectoriels en profondeur et pages responsives.
Description : styles communs aux univers et aux livres vierges.
Version : 1.0 - 26/10/2026. */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&family=Cormorant+Garamond:wght@400;500;600&display=swap');
.realm-page{margin:0;min-height:100svh;color:#f6efdc;font:14px 'DM Sans',sans-serif;background:#172e28}.realm-page *{box-sizing:border-box}.realm-page a{color:inherit;text-decoration:none}.realm-environment{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden;background:var(--realm-dark)}.realm-environment svg{width:100%;height:100%;position:absolute;inset:0}.realm-distant{animation:realmBreathe 16s ease-in-out infinite alternate;transform-origin:center}.realm-glow{position:absolute;inset:0;background:radial-gradient(ellipse at 53% 35%,transparent 20%,#0003);box-shadow:inset 0 -120px 150px #0003}.themed-realm{isolation:isolate;background:transparent!important}.themed-realm::before{display:none}.realm-header{display:flex;align-items:center;justify-content:space-between;padding:25px 5%;border-bottom:1px solid #fff2;gap:20px;background:#09201c22;backdrop-filter:blur(10px)}.realm-header>a:first-child,.realm-header>span{font-size:11px;letter-spacing:.5px}.realm-brand{font:27px 'Cormorant Garamond',Georgia,serif}.realm-layout{max-width:1440px;margin:0 auto;display:grid;grid-template-columns:1fr 1.1fr;align-items:center;min-height:calc(100svh - 235px);padding:35px 6%;gap:35px}.realm-eyebrow{text-transform:uppercase;letter-spacing:3px;font-size:11px;color:var(--realm-light)}.realm-copy h1{font:500 clamp(40px,5vw,78px)/1.02 'Cormorant Garamond',Georgia,serif;max-width:570px;margin:25px 0}.realm-copy>p:not(.realm-eyebrow){max-width:410px;line-height:1.8;color:#f0ecd4b8}.realm-actions{display:flex;align-items:flex-start;flex-direction:column;gap:22px;margin:35px 0}.realm-primary{background:var(--realm-light);color:var(--realm-dark)!important;border-radius:35px;padding:17px 25px;display:flex;gap:30px;align-items:center;font-weight:500;box-shadow:0 12px 45px #0002;transition:transform .3s}.realm-primary:hover{transform:translateY(-3px)}.realm-actions>a:last-child{border-bottom:1px solid #fff5;padding-bottom:7px;font-size:12px}.realm-copy .realm-note{font-size:11px!important;opacity:.65}.realm-book{position:relative;aspect-ratio:1;max-height:620px;min-width:0}.realm-book canvas{width:100%;height:100%;position:relative;z-index:1;cursor:grab;touch-action:pan-y;filter:drop-shadow(0 25px 30px #0005)}.realm-book>p{position:absolute;bottom:0;left:0;right:0;text-align:center;font-size:10px;color:#f0ecd4a1;letter-spacing:.5px}.blank-fallback{position:absolute;inset:20%;background:#faf7ed;color:#294a3a;box-shadow:12px 8px 0 #c4c9b9;display:grid;place-items:center;font:28px Georgia;text-align:center;padding:30px}.blank-fallback[hidden]{display:none}.theme-navigation{display:flex;justify-content:center;flex-wrap:wrap;gap:9px;max-width:1200px;margin:0 auto;padding:20px 4% 30px}.theme-navigation a{padding:10px 15px;border:1px solid #ffffff25;border-radius:30px;font-size:10px;background:#ffffff08;transition:background .3s,transform .3s}.theme-navigation a:hover{background:#ffffff20;transform:translateY(-2px)}.theme-navigation a[aria-current]{background:var(--realm-light);color:var(--realm-dark);border-color:transparent}.realm-page a:focus-visible,.realm-page canvas:focus-visible{outline:3px solid var(--realm-light);outline-offset:5px}.blank-sheet{height:100%;width:100%;background:#faf7ed}.universe-gallery{padding:50px 0 35px;border-top:1px solid #ffffff30;margin-top:45px}.universe-gallery h3{font:40px 'Cormorant Garamond',Georgia,serif;margin:10px 0}.universe-gallery p{font-size:12px;line-height:1.7;opacity:.75;max-width:600px}#universeLinks{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:25px}#universeLinks a{padding:19px 17px;border:1px solid #ffffff35;background:#ffffff09;border-radius:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;color:inherit;text-decoration:none;font-size:12px;transition:transform .3s,background .3s}#universeLinks a:hover{background:#ffffff20;transform:translateY(-3px)}#universeLinks b{font-weight:400;color:#dfc58c}@keyframes realmBreathe{from{transform:scale(1)}to{transform:scale(1.025) translateY(-4px)}}@media(max-width:800px){.realm-layout{grid-template-columns:1fr;padding:40px 7% 15px;gap:0;min-height:0}.realm-copy h1{font-size:52px;max-width:500px}.realm-copy>p:not(.realm-eyebrow){max-width:500px}.realm-actions{margin:25px 0;gap:18px}.realm-book{max-width:500px;width:100%;justify-self:center;margin-top:-25px}.realm-header{padding:20px 6%;flex-wrap:wrap}.realm-header>span{display:none}.realm-brand{font-size:23px}.theme-navigation{justify-content:flex-start;padding:25px 7%}.realm-copy .realm-note{margin-bottom:0}#universeLinks{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(prefers-reduced-motion:reduce){.realm-distant{animation:none}.realm-page *{transition:none!important}}body.quiet-motion .realm-distant{animation:none}

.themed-realm [hidden]{display:none!important}

/* Paysages illustrés : même direction artistique et profondeur que Nature. */
.illustrated-realm .realm-landscape{position:absolute;inset:-2%;width:104%;height:104%;object-fit:cover;transform:translate(var(--realm-look-x,0),var(--realm-look-y,0));transition:transform 1.3s ease-out;filter:saturate(.92)}
.realm-atmosphere{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,19,24,.66),rgba(7,19,25,.24) 48%,rgba(6,17,23,.23)),linear-gradient(0deg,rgba(3,14,20,.55),transparent 30%,rgba(5,17,21,.13))}
.illustrated-realm .realm-glow{background:radial-gradient(ellipse at 75% 28%,transparent 18%,rgba(3,18,22,.16) 75%);box-shadow:inset 0 -60px 90px #061a2022}
.realm-copy h1{text-shadow:0 3px 30px #071b2470}.realm-copy>p:not(.realm-eyebrow){color:#f5efdeda}.theme-navigation a{background:#071e29a6;backdrop-filter:blur(14px);border-color:#ffffff36}.realm-header{background:#071e284a}.realm-copy .realm-note{opacity:.85}.realm-book>p{text-shadow:0 2px 7px #000;color:#f6efdecc}.realm-motes{position:absolute;inset:0;overflow:hidden}.realm-motes i{position:absolute;left:var(--x);top:var(--y);width:3px;height:3px;border-radius:50%;background:var(--realm-light);box-shadow:0 0 13px 3px var(--realm-light);opacity:.55;animation:realmMote var(--duration) ease-in-out var(--delay) infinite alternate}@keyframes realmMote{0%{transform:translate(0,10px);opacity:.1}60%{opacity:.65}100%{transform:translate(20px,-30px);opacity:.2}}
body.reader-night{background-image:url('../maison/fond-scene-reves.png')}
@media(max-width:800px){.realm-atmosphere{background:linear-gradient(#061b2877,#061b282d 50%,#061b2877)}.realm-copy{padding:20px 0}.realm-copy h1{font-size:clamp(38px,9vw,54px)}.theme-navigation a{padding:12px 15px}}
@media(prefers-reduced-motion:reduce){.realm-motes i{animation:none}.illustrated-realm .realm-landscape{transform:none;transition:none}}body.quiet-motion .realm-motes i{animation:none}body.quiet-motion .realm-landscape{transform:none;transition:none}
/* Nom : Portails et constellation. Auteur : OpenAI pour Maxime.
Fonctionnement : transitions entre les univers et carte de destinations accessible.
Description : navigation immersive sans rechargement, clavier et toucher.
Version : 1.0 - 26/10/2026. */
.portal-navigation{display:flex;justify-content:center;align-items:center;gap:30px;padding:12px 20px 4px;position:relative;z-index:3}.portal-navigation>button{width:54px;height:54px;border-radius:50%;border:1px solid #f3dba373;background:#0c233983;color:#f9e7bc;backdrop-filter:blur(12px);font-size:24px;cursor:pointer;transition:transform .3s,background .3s}.portal-navigation>button:hover{transform:scale(1.1);background:#cfb37e30}.portal-destination{text-align:center;min-width:200px}.portal-destination>small{display:block;font-size:9px;letter-spacing:1.4px;text-transform:uppercase;color:#ede1c6b0;margin-bottom:9px}#openConstellation{border:0;border-bottom:1px solid #d7c49c66;padding:7px 0;background:none;color:#f8ecd4;font:500 12px 'DM Sans',sans-serif;cursor:pointer}#openConstellation span{margin-left:16px;color:#e6ca8b}.portal-gesture-hint{text-align:center;font-size:9px;color:#ebdfc4a1;letter-spacing:.5px;margin:12px 20px 22px}.realm-page main{transition:opacity .35s,transform .65s cubic-bezier(.2,.7,.2,1);transform:translateX(0);opacity:1}.realm-changing main{opacity:0;transform:translateX(calc(var(--travel-direction,1) * -35px)) scale(.97);pointer-events:none}.realm-environment{transition:opacity 1s ease,filter 1s ease,transform 1.1s ease}.realm-environment.is-leaving{z-index:0;opacity:0;transform:scale(1.12);filter:blur(14px)}.portal-flash{position:fixed;inset:0;z-index:8;pointer-events:none;opacity:0;background:radial-gradient(ellipse at 65% 50%,#f9e6bf80,transparent 67%);mix-blend-mode:screen}.realm-changing .portal-flash{animation:portalFlash 1.1s ease-in-out both}@keyframes portalFlash{0%,100%{opacity:0}45%{opacity:.85}}
.constellation{color:#f4e8d1;border:1px solid #dbc38a59;border-radius:30px;padding:35px 45px 25px;width:min(1040px,92vw);max-height:90svh;background:radial-gradient(ellipse at 50% 40%,#203b53,#0a172b 80%);box-shadow:0 35px 140px #0009;overflow:auto}.constellation::backdrop{background:#030d1bb8;backdrop-filter:blur(18px)}.constellation .realm-eyebrow{text-align:center;color:#dbc38c;letter-spacing:2.5px;font-size:9px}.constellation h2{font:500 clamp(28px,3.3vw,44px)/1.1 'Cormorant Garamond',Georgia,serif;text-align:center;margin:15px 0 25px}.constellation-close{position:absolute;top:14px;right:19px;border:1px solid #fff3;background:#ffffff06;border-radius:50%;width:32px;height:32px;color:#f9eac8;font-size:23px;cursor:pointer}.constellation-map{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px 20px;position:relative;padding:15px 0}.constellation-map::before{content:'';position:absolute;inset:11% 9%;border:1px solid #ddc88b1f;border-radius:50%;box-shadow:0 0 0 65px #dcc48b06;transform:rotate(-12deg);pointer-events:none}.constellation-map a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:15px 8px;min-height:112px;border-radius:18px;border:1px solid transparent;color:#f6e9cf;position:relative;z-index:1;font-size:11px;text-align:center;text-decoration:none;transition:background .25s,transform .3s}.constellation-map a:hover{background:#ffffff09;transform:translateY(-4px)}.constellation-map a[aria-current]{border-color:#e8ce8c70;background:#e8ce8c0d}.constellation-map a>i{display:block;width:23px;height:23px;border-radius:50%;background:radial-gradient(circle at 30% 25%,#fff8d9,var(--star-color) 40%,#354963 100%);box-shadow:0 0 24px 5px color-mix(in srgb,var(--star-color),transparent 65%),0 0 60px color-mix(in srgb,var(--star-color),transparent 80%);animation:starPulse 4s ease-in-out var(--star-delay) infinite alternate}.constellation-map a>span>small{display:block;font-size:8px;color:#dfd8c18c;margin-top:5px}.constellation>p:last-child{text-align:center;font-size:9px;color:#d8dcc3a6;line-height:1.7;margin:20px 0 0}.constellation a:focus-visible,.portal-navigation button:focus-visible{outline:2px solid #f5d58e;outline-offset:5px}@keyframes starPulse{from{filter:brightness(.8);transform:scale(.9)}to{filter:brightness(1.2);transform:scale(1.08)}}
.portal-entry{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:30px}.portal-entry-copy{align-self:center}.portal-entry-copy h2{font-size:clamp(44px,5vw,76px);line-height:1.02;margin:22px 0;letter-spacing:-1px}.portal-entry-copy>p{max-width:380px;font-size:13px;line-height:1.8;opacity:.85}.portal-entry-button{display:inline-flex;align-items:center;gap:35px;border-radius:30px;background:#ead8ae;color:#18332f!important;padding:16px 24px;margin-top:23px;font-size:12px}.portal-shortcuts{display:flex;gap:22px;flex-wrap:wrap;margin-top:22px;font-size:10px}.portal-shortcuts a{border-bottom:1px solid #e6d5ae4a;padding-bottom:5px}.entry-gate{position:relative;width:min(37vw,480px);aspect-ratio:.85;justify-self:center;border:2px solid #e4ce9259;border-radius:50% 50% 46% 46%;padding:11px;isolation:isolate;box-shadow:0 0 0 9px #e7d7b409,0 0 0 24px #e7d7b407,0 0 100px #9bb9e52b,inset 0 0 30px #e7d7b433;display:flex;align-items:flex-end;justify-content:center;transition:transform .7s,box-shadow .7s}.entry-gate::before,.entry-gate::after{content:'';position:absolute;inset:-17px;border:1px dashed #e8d5984d;border-radius:50%;animation:gateOrbit 60s linear infinite;pointer-events:none}.entry-gate::after{inset:-35px;animation-direction:reverse;opacity:.5}.entry-gate-image{position:absolute;inset:11px;border-radius:inherit;background:linear-gradient(0deg,#112b3ab8,transparent 65%),url('../maison/memories-upper-v122.webp') center/cover;box-shadow:inset 0 0 40px #d2eaf044;transition:filter .5s,transform 1.5s;overflow:hidden}.entry-gate-image::after{content:'';position:absolute;inset:0;background:url('../maison/fond-scene-reves.png') center/cover;opacity:.35;mix-blend-mode:screen;animation:gateShimmer 9s ease-in-out infinite alternate}.entry-gate:hover{transform:translateY(-5px) scale(1.025);box-shadow:0 0 0 9px #e7d7b416,0 0 0 24px #e7d7b40a,0 0 130px #bdc7f34d}.entry-gate>span{position:relative;z-index:2;color:#fbefd4;text-align:center;font:29px 'Cormorant Garamond',Georgia,serif;padding:22px 10px 36px;text-shadow:0 2px 15px #000}.entry-gate small{display:block;font:9px 'DM Sans',sans-serif;letter-spacing:1px;margin-top:12px}.entry-gate-stars{position:absolute;inset:0;border-radius:inherit;background:radial-gradient(circle at 15% 30%,#ffedb5 0 2px,transparent 4px),radial-gradient(circle at 83% 23%,#ffedb5 0 2px,transparent 4px),radial-gradient(circle at 89% 65%,#ffedb5 0 1px,transparent 3px);filter:drop-shadow(0 0 6px #fff0b2);animation:gateShimmer 4s ease-in-out infinite alternate}@keyframes gateOrbit{to{transform:rotate(360deg)}}@keyframes gateShimmer{from{opacity:.15}to{opacity:.65}}
@media(max-width:800px){.portal-entry{grid-template-columns:1fr;text-align:center;gap:25px}.portal-entry-copy h2{font-size:47px}.portal-entry-copy>p{margin:0 auto;max-width:330px;font-size:11px}.portal-shortcuts{justify-content:center;gap:15px}.entry-gate{width:min(60vw,300px);margin:25px 0 40px}.entry-gate>span{font-size:23px;padding-bottom:24px}.constellation{padding:35px 20px 20px}.constellation-map{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.constellation-map a{min-height:100px;font-size:10px}.portal-navigation{gap:20px}.portal-destination{min-width:165px}.portal-navigation>button{width:46px;height:46px}.realm-layout{min-height:0}.portal-gesture-hint{font-size:8px}.realm-page .realm-book{margin-top:0}}
@media(prefers-reduced-motion:reduce){.realm-changing main{transform:none}.realm-environment.is-leaving{transform:none;filter:none;transition:none}.realm-changing .portal-flash,.constellation-map a>i,.entry-gate::before,.entry-gate::after,.entry-gate-image::after,.entry-gate-stars{animation:none}.realm-page main{transition:none}}body.quiet-motion .realm-changing main{transform:none}body.quiet-motion .portal-flash,body.quiet-motion .constellation-map a>i,body.quiet-motion .entry-gate::before,body.quiet-motion .entry-gate::after,body.quiet-motion .entry-gate-image::after,body.quiet-motion .entry-gate-stars{animation:none}

.realm-page{touch-action:pan-y}
/* Portails latéraux : aperçu réel du prochain paysage, version 1.1. */
.realm-page .realm-layout{padding-left:clamp(125px,11vw,175px);padding-right:clamp(125px,11vw,175px);gap:25px}.portal-navigation>.side-portal{position:fixed;top:50%;width:112px;height:auto;border:0;border-radius:0;padding:10px 4px;background:none;backdrop-filter:none;transform:translateY(-50%);color:#f8ecd3;display:flex;align-items:center;flex-direction:column;gap:8px;z-index:6}.portal-navigation>#realmPrev{left:12px}.portal-navigation>#realmNext{right:12px}.portal-navigation>.side-portal:hover{background:none;transform:translateY(-50%) scale(1.045)}.portal-preview{width:88px;aspect-ratio:.68;display:block;border:1px solid color-mix(in srgb,var(--preview-color),transparent 24%);border-radius:50% 50% 46% 46%;padding:4px;position:relative;isolation:isolate;box-shadow:0 0 0 5px #f0dcb008,0 0 28px color-mix(in srgb,var(--preview-color),transparent 80%),inset 0 0 12px #e6dcad26;transition:box-shadow .5s,transform .7s}.portal-preview::before{content:'';position:absolute;inset:-9px;border:1px dashed color-mix(in srgb,var(--preview-color),transparent 70%);border-radius:50%;pointer-events:none;animation:gateOrbit 50s linear infinite}.side-portal:hover .portal-preview{box-shadow:0 0 0 5px #f0dcb018,0 0 44px color-mix(in srgb,var(--preview-color),transparent 55%),inset 0 0 16px #e6dcad55}.portal-preview>img{display:block;width:100%;height:100%;object-fit:cover;border-radius:inherit;filter:saturate(.95) brightness(.85);transition:filter .4s,transform .7s}.side-portal:hover .portal-preview>img{filter:saturate(1.1) brightness(1.08)}.portal-preview-mist{position:absolute;inset:5px;border-radius:inherit;box-shadow:inset 0 0 14px 3px #f2e8ce55;background:linear-gradient(0deg,#071b3244,transparent 60%);pointer-events:none}.portal-preview-arrow{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:grid;place-items:center;border:1px solid #f5e6bd66;border-radius:50%;width:30px;height:30px;background:#09233778;backdrop-filter:blur(5px);font-style:normal;font-size:18px;color:#fff1c9;box-shadow:0 0 18px #0002}.side-portal>small{font:8px 'DM Sans',sans-serif;letter-spacing:1.3px;text-transform:uppercase;color:#f1debaa1;margin-top:6px}.side-portal>b{font:500 13px/1.2 'Cormorant Garamond',Georgia,serif;max-width:108px;text-shadow:0 2px 9px #000,0 2px 20px #000}.portal-navigation>.side-portal:focus-visible{outline:2px solid var(--preview-color);outline-offset:5px;border-radius:55px 55px 15px 15px}.realm-changing .side-portal{pointer-events:none}.portal-navigation{min-height:76px}.realm-page .realm-copy h1{font-size:clamp(40px,4.6vw,70px)}
@media(min-width:1600px){.portal-navigation>.side-portal{width:138px}.portal-preview{width:108px}.side-portal>b{font-size:16px;max-width:128px}.portal-navigation>#realmPrev{left:26px}.portal-navigation>#realmNext{right:26px}}
@media(max-width:800px){.realm-page .realm-layout{padding-left:7%;padding-right:7%;padding-bottom:25px}.portal-navigation>.side-portal{top:auto;bottom:15px;transform:none;width:82px;padding:7px 3px;gap:5px;background:#081b2c99;border:1px solid #f0dfb523;border-radius:48px 48px 16px 16px;backdrop-filter:blur(10px)}.portal-navigation>#realmPrev{left:9px}.portal-navigation>#realmNext{right:9px}.portal-navigation>.side-portal:hover{transform:translateY(-3px)}.portal-preview{width:54px;aspect-ratio:.73}.portal-preview::before{inset:-5px}.portal-preview-arrow{width:24px;height:24px;font-size:14px}.side-portal>small{font-size:6px;letter-spacing:1px;margin-top:1px}.side-portal>b{font-size:11px;max-width:76px}.portal-destination{min-width:135px}.portal-navigation{padding:20px 95px 8px;min-height:100px}.portal-destination>small{font-size:7px;letter-spacing:.6px}#openConstellation{font-size:10px}#openConstellation span{margin-left:7px}.portal-gesture-hint{padding:0 85px;font-size:7px;margin-bottom:30px}.realm-page .realm-copy h1{font-size:clamp(38px,9vw,54px)}}
@media(prefers-reduced-motion:reduce){.portal-preview::before{animation:none}.portal-preview,.portal-preview>img{transition:none}}body.quiet-motion .portal-preview::before{animation:none}
/* Traversée directionnelle : approche, ouverture du portail et arrivée, v1.2. */
.portal-navigation>.side-portal{width:136px}.portal-preview{width:112px}.side-portal>b{font-size:15px;max-width:126px}.realm-page .realm-layout{padding-left:clamp(155px,12vw,195px);padding-right:clamp(155px,12vw,195px)}.portal-preview-arrow{width:34px;height:34px;font-size:21px}.side-portal.is-entering .portal-preview{box-shadow:0 0 0 7px #ffedc22b,0 0 65px var(--preview-color),inset 0 0 25px #fff8e0a8}.side-portal.is-entering .portal-preview>img{filter:brightness(1.2) saturate(1.05)}.portal-flight{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:60;pointer-events:none;overflow:hidden;transform-origin:0 0;box-shadow:0 0 0 3px #f3dfb8,0 0 80px 14px #e6d5ac8c;will-change:transform,opacity;border-radius:48%;background:#102a35}.portal-flight>img{width:100%;height:100%;object-fit:cover;display:block}.portal-flight::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#071b3033,transparent 50%,#071b3022);box-shadow:inset 0 0 65px #f3e3b647;pointer-events:none}.portal-camera-moving main{transition:transform 1.1s cubic-bezier(.3,.1,.2,1),opacity .85s ease;transform:perspective(1400px) translateX(calc(var(--travel-direction) * -16vw)) translateZ(-90px) rotateY(calc(var(--travel-direction) * 7deg)) scale(.92);opacity:.12;pointer-events:none}.portal-camera-moving .realm-environment:not(.is-leaving){transition:transform 1.15s cubic-bezier(.3,.1,.2,1);transform:translateX(calc(var(--travel-direction) * -7vw)) scale(1.12)}.portal-camera-moving .side-portal:not(.is-entering){opacity:.18;transition:opacity .5s}.realm-page main{transition:opacity .6s ease,transform .8s cubic-bezier(.16,.7,.2,1)}.portal-arriving main{animation:portalLand .8s cubic-bezier(.16,.7,.2,1) both}@keyframes portalLand{from{opacity:.3;transform:translateX(calc(var(--travel-direction) * 24px)) scale(1.035)}to{opacity:1;transform:translateX(0) scale(1)}}
@media(min-width:1600px){.portal-navigation>.side-portal{width:158px}.portal-preview{width:132px}.side-portal>b{font-size:17px;max-width:148px}.realm-page .realm-layout{padding-left:190px;padding-right:190px}}
@media(max-width:800px){.portal-navigation>.side-portal{width:94px}.portal-preview{width:67px}.portal-preview-arrow{width:27px;height:27px;font-size:17px}.side-portal>b{font-size:12px;max-width:88px}.realm-page .realm-layout{padding-left:7%;padding-right:7%}.portal-navigation{padding-left:105px;padding-right:105px}.portal-gesture-hint{padding:0 100px}.portal-flight{box-shadow:0 0 0 2px #f3dfb8,0 0 35px #e6d5ac80}.portal-camera-moving main{transform:translateX(calc(var(--travel-direction) * -10vw)) scale(.95)}}
@media(prefers-reduced-motion:reduce){.portal-camera-moving main,.portal-camera-moving .realm-environment:not(.is-leaving){transform:none;transition:none}.portal-arriving main{animation:none}}body.quiet-motion .portal-arriving main{animation:none}

.portal-flight{transform-origin:50% 50%}
/* Le voyage demandé explicitement reste animé, même si l’ambiance est calme. */
.portal-motion-control{display:flex;align-items:center;justify-content:center;gap:9px;color:#f2e4c4b8;font:9px 'DM Sans',sans-serif;margin:0 100px 20px}.portal-motion-control select{border:1px solid #f3deb840;border-radius:20px;padding:7px 12px;background:#0a1d31cc;color:#f3e5cb;font:10px 'DM Sans',sans-serif}.portal-motion-control select:focus-visible{outline:2px solid #e7cb8b;outline-offset:3px}.portal-motion-control option{background:#112b3f}.portal-flight-gentle{transform:none!important;border-radius:0!important;box-shadow:none}.portal-immersive.portal-camera-moving main{transition:transform 1.1s cubic-bezier(.3,.1,.2,1),opacity .85s ease;transform:perspective(1400px) translateX(calc(var(--travel-direction) * -16vw)) translateZ(-90px) rotateY(calc(var(--travel-direction) * 7deg)) scale(.92);opacity:.12}.portal-immersive.portal-camera-moving .realm-environment:not(.is-leaving){transition:transform 1.15s cubic-bezier(.3,.1,.2,1);transform:translateX(calc(var(--travel-direction) * -7vw)) scale(1.12)}.portal-immersive.portal-arriving main{animation:portalLand .8s cubic-bezier(.16,.7,.2,1) both}@media(max-width:800px){.portal-motion-control{margin:0 105px 20px;flex-direction:column;gap:6px;font-size:8px}.portal-motion-control select{font-size:9px}.portal-immersive.portal-camera-moving main{transform:translateX(calc(var(--travel-direction) * -10vw)) scale(.95)}}
/* Avancée de caméra : le monde se déplace, le portail appartient au décor. v1.3 */
.portal-passage-window{position:fixed;inset:0;z-index:150;overflow:hidden;pointer-events:auto;background:#102a35;will-change:clip-path,opacity}.portal-passage-window>img{display:block;width:100%;height:100%;object-fit:cover}.portal-passage-window::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at center,transparent 40%,#09253922);pointer-events:none}.portal-passage-rim{position:fixed;z-index:151;border:1px solid #fae8bc;border-radius:50%;box-shadow:0 0 8px 2px #e8d3a880,inset 0 0 5px #fff4ce80;pointer-events:none;transform-origin:50% 50%;will-change:transform,opacity}.portal-passage-rim[hidden]{display:none}.portal-camera-travel{overflow:hidden!important}.portal-camera-travel .side-portal{pointer-events:none}.portal-camera-travel .realm-header,.portal-camera-travel .portal-destination,.portal-camera-travel .portal-gesture-hint,.portal-camera-travel .portal-motion-control{opacity:0;transition:opacity .3s}.arrival-from-gate .realm-layout{animation:walkIntoWorld 1s cubic-bezier(.2,.6,.2,1) both}@keyframes walkIntoWorld{from{opacity:0;transform:scale(1.025)}to{opacity:1;transform:scale(1)}}

.portal-camera-travel .side-portal{opacity:0!important;transition:none!important}
/* Scène perspective et rideau de nuages, version 2.0. */
.portal-camera-canvas{position:fixed;inset:0;width:100vw;height:100vh;z-index:150;pointer-events:auto;opacity:0}.portal-camera-canvas[hidden]{display:none}.passage-clouds{position:fixed;inset:0;z-index:155;pointer-events:auto;overflow:hidden;opacity:1}.cloud-base{position:absolute;inset:0;background:radial-gradient(ellipse at 60% 32%,#fffbf0,#e9eff4 60%,#c8d8e5);transition:opacity .85s ease}.cloud-bank{position:absolute;width:100%;height:145%;top:-20%;background:radial-gradient(ellipse at 30% 20%,#fffdf3 0 8%,transparent 20%),radial-gradient(ellipse at 65% 40%,#f7f8f5 0 12%,transparent 27%),radial-gradient(ellipse at 20% 60%,#dce8f0 0 13%,transparent 30%),radial-gradient(ellipse at 75% 80%,#eff4f6 0 15%,transparent 31%),radial-gradient(ellipse at 50% 50%,#e8eff4 0 45%,transparent 72%);filter:blur(15px);will-change:transform,opacity;transition:transform 1.1s cubic-bezier(.35,.05,.2,1),opacity 1.1s ease}.cloud-left{left:-28%;transform:translateX(0) scale(1.12)}.cloud-right{right:-28%;transform:translateX(0) scale(1.12) rotate(180deg)}.cloud-top{left:0;top:-65%;transform:translateY(0) scale(1.2);opacity:.8}.passage-clouds.is-opening .cloud-base{opacity:0}.passage-clouds.is-opening .cloud-left{transform:translateX(-85vw) scale(1.3);opacity:0}.passage-clouds.is-opening .cloud-right{transform:translateX(85vw) scale(1.3) rotate(180deg);opacity:0}.passage-clouds.is-opening .cloud-top{transform:translateY(-90vh) scale(1.4);opacity:0}.portal-camera-travel .realm-header{opacity:0}.portal-camera-travel .world-controls{pointer-events:none}.realm-page .portal-camera-canvas{touch-action:none}@media(max-width:650px){.cloud-bank{filter:blur(9px)}}

/* Nuages sculptés en plusieurs plans, v31 : ombres lisibles et ouverture lente. */
.cloud-base{background:radial-gradient(ellipse at 50% 30%,#dce8ed,#8199b3);transition:opacity 1.1s ease .1s}
.cloud-bank{background:none;filter:drop-shadow(0 20px 24px #364d7966);transition:transform 1.6s cubic-bezier(.3,.05,.2,1),opacity 1.5s ease;}
.cloud-puff{position:absolute;display:block;border-radius:48%;background:radial-gradient(ellipse at 40% 26%,#fffbee 0%,#f0f4f5 28%,#d5e1eb 54%,#9daccc 76%,#8397b500 99%);box-shadow:inset 0 18px 28px #fff8,inset -20px -24px 35px #637d9e44;filter:blur(3px)}
.cloud-left{left:-23%;transform:translateX(0) scale(1.18)}.cloud-right{right:-23%;transform:translateX(0) scale(1.18) rotate(180deg)}.cloud-top{top:-80%;opacity:1}
.passage-clouds:not(.is-opening) .cloud-puff{animation:cloudBreath 3s ease-in-out infinite alternate;animation-delay:var(--puff-delay)}
@keyframes cloudBreath{to{transform:translate(2%,3%) scale(1.05)}}

/* v32 : all cloud layers share one continuous RAF clock, no competing transitions. */
.passage-clouds .cloud-base,.passage-clouds .cloud-bank{transition:none!important}
.passage-clouds .cloud-bank{will-change:transform;filter:drop-shadow(0 16px 28px #364d7944)}
.passage-clouds .cloud-puff{animation:none!important;filter:blur(8px);box-shadow:inset 0 18px 36px #fff6,inset -20px -24px 45px #637d9e33}
.passage-clouds .cloud-top{opacity:.85}

/* v33 : cloud layers are composited once, without stacked full-screen shadows. */
.passage-clouds .cloud-bank{filter:none;contain:layout style;backface-visibility:hidden}
.passage-clouds .cloud-puff{filter:blur(5px)}

/* Shared panorama projection: no independent background movement. */
.realm-panorama{position:absolute;inset:0;width:100%;height:100%;display:block}.panorama-ready .realm-landscape{opacity:0!important}.panorama-ready{transform:none!important}

/* v35: natural alpha cloud layers, no round CSS puffs or filter animation. */
.natural-clouds{isolation:isolate}.natural-cloud-depth{position:absolute;inset:-12%;background-color:#c5d3df;background-position:center;background-size:cover;opacity:0;will-change:opacity}.natural-cloud-layer{position:absolute;width:125%;height:135%;left:-12.5%;top:-17.5%;object-fit:cover;will-change:transform,opacity;pointer-events:none}.natural-clouds .cloud-layer-1{left:-8%;top:-26%;filter:brightness(.94)}.natural-clouds .cloud-layer-2{top:-40%;height:155%;filter:brightness(1.07)}

/* v37 — Les passages appartiennent à l’illustration du monde. */
.integrated-portals .realm-environment::before{content:'';position:absolute;inset:-35px;background:linear-gradient(#0a1e2844,#0a1e2888),var(--ambient-image) center/cover;filter:blur(24px);opacity:.8}
.integrated-portals .realm-landscape{inset:0;width:100%;height:100%;object-fit:contain;transform:none;filter:none}
.integrated-portals .scene-panorama{z-index:1}
.integrated-portals .realm-atmosphere{z-index:2;background:linear-gradient(90deg,transparent 15%,#071a2355 30%,#071a2322 65%,transparent 85%)}
.integrated-portals .realm-glow,.integrated-portals .realm-motes{z-index:3}
.integrated-portals .realm-layout{width:64%;padding:35px 0;gap:18px;max-width:1200px}
.integrated-portals .realm-copy h1{font-size:clamp(32px,4vw,62px)}
.integrated-portals .realm-copy>p{font-size:12px}
.integrated-portals .realm-primary{font-size:12px;padding:16px 22px;gap:15px}
.integrated-portals .portal-navigation>.side-portal{position:fixed;transform:none!important;border:0;background:none;backdrop-filter:none;box-shadow:none;padding:0;display:block;min-width:0;z-index:30;overflow:visible;transition:opacity .4s}
.integrated-portals .side-portal .portal-preview{position:absolute;inset:0;width:100%;height:100%;padding:0;aspect-ratio:auto;border:0;border-radius:50% 50% 0 0;box-shadow:none!important;background:transparent;transform:none!important}
.integrated-portals .portal-preview::before,.integrated-portals .portal-preview::after{display:none}
.integrated-portals .portal-preview-arrow{width:27px;height:27px;font-size:16px;opacity:.55;transition:opacity .3s;background:#13242b66;border-color:#fff6}
.integrated-portals .side-portal:hover .portal-preview-arrow{opacity:1}
.integrated-portals .side-portal>small,.integrated-portals .side-portal>b{position:absolute;left:50%;transform:translateX(-50%);width:140px;max-width:140px;line-height:1.3;pointer-events:none;text-shadow:0 2px 5px #000,0 0 10px #000}
.integrated-portals .side-portal>small{top:calc(100% + 11px);margin:0;font-size:7px;color:#fff2cc}
.integrated-portals .side-portal>b{top:calc(100% + 26px);font-size:15px}
.integrated-portals .realm-layout,.integrated-portals .realm-header,.integrated-portals .portal-navigation{transition:opacity .45s ease}
.integrated-portals.portal-camera-travel .realm-layout,.integrated-portals.portal-camera-travel .realm-header,.integrated-portals.portal-camera-travel .portal-navigation{opacity:0;pointer-events:none}
@media(max-width:800px){
 .integrated-portals .realm-layout{width:74%;padding:12px 0 10px;display:block}
 .integrated-portals .realm-copy{padding:12px 0 0;min-height:250px}
 .integrated-portals .realm-copy h1{font-size:30px;margin:18px 0}
 .integrated-portals .realm-copy>p{font-size:11px}
 .integrated-portals .realm-copy .realm-note{display:none}
 .integrated-portals .realm-actions{margin:18px 0;gap:14px}
 .integrated-portals .realm-book{max-width:330px;margin:200px auto 0}
 .integrated-portals .side-portal>b{font-size:10px;width:72px;max-width:72px}
 .integrated-portals .side-portal>small{font-size:6px}
 .integrated-portals .realm-primary{font-size:11px;padding:14px}
 .integrated-portals #realmPrev>b,.integrated-portals #realmPrev>small{left:0;transform:none;text-align:left}
 .integrated-portals #realmNext>b,.integrated-portals #realmNext>small{left:auto;right:0;transform:none;text-align:right}
}
/* v38 : ouvertures détourées, nuages dans le plan du portail. */
.realm-portal-depth{position:absolute;inset:0;width:100%;height:100%;z-index:4;pointer-events:none}
.portal-inside-arrival{position:fixed;inset:0;width:100%;height:100%;z-index:155;pointer-events:none}
.integrated-portals .realm-atmosphere{background:linear-gradient(#05172155,transparent 35%,transparent 70%,#05172166)}
.integrated-portals .realm-layout{position:relative;width:100%;min-height:calc(100svh - 220px);display:block;padding:0}
.integrated-portals .realm-copy{position:absolute;top:18px;left:27%;width:46%;text-align:center}
.integrated-portals .realm-copy h1{font-size:clamp(27px,3vw,46px);max-width:none;margin:12px 0;text-shadow:0 2px 12px #0009}
.integrated-portals .realm-copy>p{max-width:none;margin:8px 0;text-shadow:0 2px 9px #000}
.integrated-portals .realm-copy .realm-note{display:none}
.integrated-portals .realm-actions{position:fixed;bottom:112px;left:0;right:0;align-items:center;flex-direction:row;justify-content:center;margin:0;gap:24px}
.integrated-portals .realm-book{position:absolute;width:240px;height:260px;left:calc(50% - 120px);bottom:44px;margin:0}
.integrated-portals .realm-book>p{bottom:4px;font-size:8px}
.integrated-portals .portal-navigation{padding-top:5px;min-height:64px}
.integrated-portals .portal-gesture-hint{margin:0 0 8px}
.integrated-portals .portal-motion-control{margin-bottom:8px}
.integrated-portals .side-portal>small{top:calc(100% + 7px);color:#fff}
.integrated-portals .side-portal>b{top:calc(100% + 20px);color:#fff}
@media(max-width:800px){
 .integrated-portals .realm-layout{min-height:calc(100svh - 220px)}
 .integrated-portals .realm-copy{left:10%;width:80%;top:10px;min-height:0;padding:0}
 .integrated-portals .realm-copy h1{font-size:26px}
 .integrated-portals .realm-book{width:160px;height:180px;left:calc(50% - 80px);bottom:0}
 .integrated-portals .realm-actions{bottom:105px;gap:10px;flex-direction:column}
 .integrated-portals .realm-primary{padding:10px 16px}
 .integrated-portals .realm-actions>a:last-child{font-size:9px}
 .integrated-portals .realm-book>p{display:none}
}
.integrated-portals .realm-layout{transform:none!important}
.integrated-portals .realm-actions{z-index:12}
@media(min-width:801px){.integrated-portals .realm-actions{bottom:145px}.integrated-portals .realm-book{bottom:60px}}
@media(max-width:800px){.integrated-portals .realm-book{height:150px;bottom:45px}.integrated-portals .realm-actions{bottom:130px}}
/* v39 — Le livre s’agrandit et se lit dans son univers. */
.inline-reader{position:fixed;inset:0;width:100vw;height:100dvh;max-width:none;max-height:none;margin:0;padding:24px clamp(16px,4vw,64px);border:0;background:transparent;color:#fff4dd;overflow:auto;font-family:inherit}
.inline-reader::backdrop{background:#061c269c;backdrop-filter:blur(5px);transition:background .7s}
.inline-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;max-width:1180px;margin:auto}.inline-heading small{font-size:9px;letter-spacing:3px;color:#e2c99a}.inline-heading h2{font:clamp(21px,2.5vw,34px)/1.15 Georgia,serif;margin:8px 0}.inline-reader button,.inline-reader select{font:inherit;color:inherit;background:#18352cc9;border:1px solid #e6d4a64d;border-radius:30px;padding:12px 20px;cursor:pointer}.inline-reader button:disabled{opacity:.3;cursor:default}.inline-reader button:focus-visible,.inline-reader canvas:focus-visible{outline:2px solid #eed5a0;outline-offset:4px}.inline-heading button{white-space:nowrap;font-size:11px}.inline-heading button span{font-size:23px;margin-left:12px}.inline-stage{position:relative;width:min(1100px,100%);height:min(66dvh,650px);margin:8px auto}.inline-stage>canvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none;cursor:grab;transition:opacity .3s;filter:drop-shadow(0 24px 25px #0005)}.inline-stage>canvas:active{cursor:grabbing}.inline-zoom{position:absolute;height:100%;width:min(66dvh,100%);left:50%;translate:-50% 0;transform-origin:0 0;transition:opacity .3s}.inline-zoom[hidden]{display:none}.inline-zoom canvas{position:static!important;inset:auto!important;transform:none!important;max-width:none!important}.inline-stage>p{position:absolute;bottom:0;left:0;right:0;text-align:center;font-size:12px;pointer-events:none}.inline-toolbar{display:flex;align-items:center;justify-content:center;gap:18px}.inline-toolbar>button{font-size:28px;padding:2px 17px}.inline-toolbar>span{min-width:125px;text-align:center;font-size:12px}.inline-toolbar label{display:flex;align-items:center;gap:9px;font-size:10px}.inline-toolbar select{padding:8px 10px}.inline-hint{text-align:center;font-size:10px;color:#e5dfcd;margin-top:18px}.inline-reading{overflow:hidden}.inline-reading .realm-book>p{visibility:hidden}.inline-reading .realm-actions,.inline-reading .portal-navigation,.inline-reading .portal-motion-control,.inline-reading .portal-gesture-hint{opacity:0;pointer-events:none}
@media(max-width:650px){.inline-reader{padding:18px 12px}.inline-heading{align-items:flex-start}.inline-heading h2{font-size:22px}.inline-heading small{font-size:7px;letter-spacing:1.5px}.inline-heading button{font-size:0;padding:8px 12px}.inline-heading button span{font-size:24px;margin:0}.inline-stage{height:min(62dvh,110vw);margin:20px auto 10px}.inline-toolbar{gap:10px;flex-wrap:wrap}.inline-toolbar label{width:100%;justify-content:center}.inline-zoom{width:100%}.inline-hint{font-size:9px}}
@media(prefers-reduced-motion:reduce){.inline-stage>canvas,.inline-zoom{transition:none}}
.inline-reading .realm-book canvas,.inline-reading .realm-book .blank-fallback{visibility:hidden}
/* v43 : le panorama enveloppe directement la caméra dans la scène principale. */
.spherical-world .realm-environment::before{display:none}.spherical-world .realm-landscape{object-fit:cover}.spherical-world .realm-environment{transform:none!important}.spherical-world .realm-atmosphere{background:linear-gradient(#03192366,transparent 30%,transparent 72%,#03192388);pointer-events:none}.spherical-world .realm-glow{opacity:.35}.spherical-world{touch-action:pan-y}.spherical-world .realm-layout{touch-action:none;cursor:grab}.spherical-world.camera-looking .realm-layout{cursor:grabbing}.spherical-world .realm-copy,.spherical-world .realm-book{cursor:auto}.spherical-world .side-portal[hidden]{display:none!important}.camera-recenter{display:block;margin:6px auto 10px;background:#102d32bb;border:1px solid #f2e5c34d;border-radius:20px;padding:7px 13px;color:#f2e5c3;font:10px inherit;cursor:pointer}.portal-camera-travel .camera-recenter,.inline-reading .camera-recenter{opacity:0;pointer-events:none}.spherical-world .portal-gesture-hint{font-size:9px;padding:0 16px}.spherical-world .portal-motion-control{margin-bottom:6px}

/* v48 : cadrage stable et interface entièrement contenue dans la fenêtre. */
body.spherical-world{height:100dvh;min-height:0;overflow:hidden}
.spherical-world .realm-header{position:fixed;inset:0 0 auto;z-index:8;padding:16px 4%;height:64px}
.spherical-world .realm-layout{position:fixed;inset:72px 0 160px;width:100%;min-height:0;margin:0;max-width:none}
.spherical-world .realm-copy{top:0;left:22%;width:56%;padding:0;min-height:0}
.spherical-world .realm-copy h1{font-size:clamp(26px,3vw,44px);margin:8px 0;line-height:1.08}
.spherical-world .realm-book{bottom:0}
.spherical-world .realm-actions{bottom:112px}
.spherical-world .portal-navigation{position:fixed;inset:auto 0 57px;min-height:0;padding:0;pointer-events:none}
.spherical-world .portal-navigation button{pointer-events:auto}
.spherical-world .portal-gesture-hint{position:fixed;bottom:33px;left:10%;width:80%;margin:0}
.spherical-world .portal-motion-control{position:fixed;bottom:8px;left:50%;transform:translateX(-50%);margin:0;white-space:nowrap}
.spherical-world .camera-recenter{position:fixed;bottom:10px;right:16px;margin:0}
.spherical-world .primary-world-canvas{filter:none!important;transform:none!important}
@media(max-width:800px){.spherical-world .realm-header{height:56px;padding:12px 5%}.spherical-world .realm-layout{top:64px;bottom:200px}.spherical-world .realm-copy{left:8%;width:84%}.spherical-world .realm-copy h1{font-size:26px}.spherical-world .realm-actions{bottom:136px}.spherical-world .camera-recenter{bottom:68px;right:10px;font-size:9px}.spherical-world .portal-gesture-hint{font-size:8px}}
@media(max-height:600px) and (min-width:801px){.spherical-world .realm-copy h1{font-size:28px}.spherical-world .realm-copy>p{font-size:10px}.spherical-world .realm-book{width:170px;height:180px;left:calc(50% - 85px)}.spherical-world .realm-layout{bottom:135px}.spherical-world .realm-actions{bottom:94px}}

/* v53 : caméra d'entrée et dissipation des nuages. */
.entry-camera-viewport{position:fixed;inset:0;z-index:150;overflow:hidden;perspective:1000px;perspective-origin:50% 50%;background:#edf0e6;pointer-events:auto}
.entry-camera-world{position:absolute;left:0;transform-style:preserve-3d;will-change:transform}
.entry-camera-world *,.entry-camera-world *::before,.entry-camera-world *::after{animation-play-state:paused!important;transition:none!important}
.entry-camera-world .entry-gate-image::after{display:none}
.entry-camera-world .portal-veil,.entry-camera-world .passage-clouds{display:none}

/* Le livre prend sa place, puis la couverture s'ouvre avant les commandes. */
.inline-reader .inline-toolbar,.inline-reader .inline-hint,.inline-reader .inline-heading>div{transition:opacity .45s ease,transform .45s ease}
.inline-reader[data-phase="zooming"] .inline-toolbar,.inline-reader[data-phase="opening"] .inline-toolbar,.inline-reader[data-phase="closing"] .inline-toolbar,.inline-reader[data-phase="zooming"] .inline-hint,.inline-reader[data-phase="opening"] .inline-hint,.inline-reader[data-phase="closing"] .inline-hint{opacity:0;transform:translateY(12px);pointer-events:none;visibility:hidden}
.inline-reader[data-phase="zooming"] .inline-heading>div{opacity:0;transform:translateY(-8px)}
.inline-reader[data-phase="zooming"]::backdrop{animation:bookBackdropIn 2.4s ease both}
@keyframes bookBackdropIn{from{background:#061c2600;backdrop-filter:blur(0)}to{background:#061c269c;backdrop-filter:blur(5px)}}
.inline-reading .realm-book>canvas,.inline-reading .realm-book>.blank-fallback{visibility:hidden}