/* AVAR LANGUES V4 · scope isolé, ne modifie ni le kit V3 ni les autres ères */
.dia-atlas-v4{--dia-ivory:#f7eedc;--dia-muted:#d3c7ab;--dia-copper:#f2bd76;--dia-line:rgba(239,201,142,.23);--dia-panel:rgba(31,27,28,.91);position:relative;isolation:isolate;color:var(--dia-ivory);font-family:Inter,ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;line-height:1.6;background:radial-gradient(ellipse 65% 28% at 60% 0%,rgba(184,116,60,.13),transparent 90%),linear-gradient(180deg,#241d18,#11161a);border-radius:22px;border:1px solid var(--dia-line);overflow:hidden}
.dia-atlas-v4:before{content:'';position:absolute;inset:0;background:url('../img/fil-chante-v4.svg') center top/cover no-repeat;opacity:.16;pointer-events:none;z-index:-1}
.dia-atlas-v4 *{box-sizing:border-box}.dia-atlas-v4 button,.dia-atlas-v4 select,.dia-atlas-v4 input,.dia-atlas-v4 textarea{font:inherit}.dia-atlas-v4 .da-wrap{padding:clamp(16px,2.3vw,32px)}
.dia-atlas-v4 .da-cover{border:1px solid var(--dia-line);padding:clamp(22px,3vw,40px);border-radius:20px;background:linear-gradient(130deg,rgba(81,52,35,.5),rgba(29,27,28,.92));position:relative;overflow:hidden}
.dia-atlas-v4 .da-cover:after{content:'';position:absolute;right:-80px;top:-140px;width:400px;height:480px;background:url('../img/circles-palimp-v4.svg') center/contain no-repeat;opacity:.24;pointer-events:none}
.dia-atlas-v4 .da-cover>*{position:relative;z-index:1}.dia-atlas-v4 h2,.dia-atlas-v4 h3,.dia-atlas-v4 h4{font-family:Georgia,Times,serif;line-height:1.2;margin:0 0 .75rem}.dia-atlas-v4 h2{font-size:clamp(1.8rem,3vw,3.1rem);max-width:730px}.dia-atlas-v4 h3{font-size:1.42rem}.dia-atlas-v4 h4{font-size:1.16rem}
.dia-atlas-v4 p{margin:.6rem 0 1rem}.dia-atlas-v4 .da-muted{color:var(--dia-muted)}.dia-atlas-v4 .da-kicker{color:var(--dia-copper);letter-spacing:.14em;text-transform:uppercase;font-size:.72rem;font-weight:850}.dia-atlas-v4 .da-caution{padding:12px 15px;border-radius:10px;background:rgba(255,200,124,.08);border-left:3px solid var(--dia-copper);color:#f7d5a2;font-size:.93rem}.dia-atlas-v4 .da-tag{display:inline-block;font-size:.78rem;border:1px solid var(--dia-line);border-radius:200px;padding:3px 10px;color:#eed3ac;margin:3px 4px 2px 0}
.dia-atlas-v4 .da-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0 18px}.dia-atlas-v4 .da-btn{cursor:pointer;color:var(--dia-ivory);border:1px solid var(--dia-line);background:rgba(255,255,255,.055);border-radius:12px;padding:10px 15px;transition:background .2s ease,border-color .2s ease}.dia-atlas-v4 .da-btn:hover,.dia-atlas-v4 .da-btn[aria-selected="true"],.dia-atlas-v4 .da-btn[aria-pressed="true"]{background:rgba(220,159,91,.22);border-color:rgba(254,205,126,.6)}.dia-atlas-v4 .da-btn-primary{background:#ad7948;color:#fff9ea;border-color:#d6a56d;font-weight:650}.dia-atlas-v4 a{color:#f2c58e;text-decoration:underline;text-underline-offset:3px}.dia-atlas-v4 .da-pane[hidden]{display:none}.dia-atlas-v4 .da-section{padding:22px;border:1px solid var(--dia-line);border-radius:15px;background:var(--dia-panel);margin-bottom:15px}.dia-atlas-v4 .da-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,235px),1fr));gap:12px}
.dia-atlas-v4 .da-word{padding:15px;text-align:left;min-height:120px;display:flex;flex-direction:column;align-items:flex-start;gap:6px;justify-content:center;background:linear-gradient(155deg,#322c29,#242831);width:100%}.dia-atlas-v4 .da-word b{font-size:1.45rem;color:#f5d9a6;font-family:Georgia,serif}.dia-atlas-v4 .da-word small{color:var(--dia-muted);line-height:1.4}.dia-atlas-v4 .da-rootlist{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:9px;margin:12px 0 0}
.dia-atlas-v4 .da-rootdetail{background:linear-gradient(135deg,#302821,#222327);border:1px solid rgba(239,201,142,.35);border-radius:14px;padding:18px;margin:0 0 14px}.dia-atlas-v4 .da-rootdetail h4{font-size:1.45rem}.dia-atlas-v4 .da-dialects{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;margin:14px 0}.dia-atlas-v4 .da-variant{padding:10px;border:1px solid var(--dia-line);border-radius:9px;background:#24252b;min-width:0;overflow-wrap:anywhere}.dia-atlas-v4 .da-variant strong{display:block;font-size:1.1rem;color:#f6c995}.dia-atlas-v4 .da-variant small{color:var(--dia-muted)}.dia-atlas-v4 .da-empty{background:#161e25;border:1px dashed #a68162;padding:12px;border-radius:10px;margin-top:10px}.dia-atlas-v4 .da-bar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:12px 0}.dia-atlas-v4 .da-bar>*{max-width:100%}
.dia-atlas-v4 input[type=search],.dia-atlas-v4 textarea,.dia-atlas-v4 select{width:100%;background:#171f25;border:1px solid #9a7551;border-radius:10px;color:var(--dia-ivory);padding:10px 12px}.dia-atlas-v4 textarea{resize:vertical;min-height:94px}.dia-atlas-v4 label{display:block;color:#f4d3a5;font-weight:600;font-size:.93rem;margin:10px 0 6px}.dia-atlas-v4 .da-bar .da-input{flex:1;min-width:180px}.dia-atlas-v4 .da-bar .da-select{min-width:230px;max-width:310px;flex:0 1 310px}.dia-atlas-v4 .da-lesson-layout{display:grid;grid-template-columns:minmax(170px,265px) minmax(0,1fr);gap:14px}.dia-atlas-v4 .da-lesson-nav{max-height:640px;overflow-y:auto;scrollbar-color:#a77a54 #292927}.dia-atlas-v4 .da-lesson-nav button{width:100%;margin-bottom:7px;text-align:left}.dia-atlas-v4 .da-lesson-nav small{color:var(--dia-muted);display:block}.dia-atlas-v4 .da-examples{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:10px;margin:12px 0}.dia-atlas-v4 .da-example{padding:12px;border:1px solid var(--dia-line);background:#22252a;border-radius:10px}.dia-atlas-v4 .da-example strong{display:block;color:#eec18a}.dia-atlas-v4 .da-quiz{padding:14px 0;border-top:1px solid var(--dia-line)}.dia-atlas-v4 .da-quiz:first-child{border-top:0}.dia-atlas-v4 fieldset{border:0;padding:0;margin:0;min-width:0}.dia-atlas-v4 legend{font-weight:600;margin-bottom:9px}.dia-atlas-v4 .da-choice{display:flex;align-items:baseline;gap:7px;margin:6px 0;border:1px solid var(--dia-line);border-radius:9px;padding:8px 10px;cursor:pointer;background:#24272c}.dia-atlas-v4 .da-choice input{width:auto}.dia-atlas-v4 .da-choice.is-right{border-color:#82c8b7;background:#12372f}.dia-atlas-v4 .da-choice.is-wrong{border-color:#d19e83;background:#3c2a29}.dia-atlas-v4 .da-explanation{padding:9px 12px;border-radius:8px;background:#17322c;color:#c6f2df}.dia-atlas-v4 .da-progress{background:#3b3432;border-radius:100px;height:8px;overflow:hidden;margin:10px 0}.dia-atlas-v4 .da-progress span{display:block;background:linear-gradient(90deg,#b37d4c,#eec18a);height:100%;transition:width .2s;width:0}.dia-atlas-v4 .da-timeline{display:flex;gap:9px;overflow-x:auto;padding:5px 2px 12px;scrollbar-color:#a77a54 #2b2520}.dia-atlas-v4 .da-time{min-width:160px;max-width:195px;flex:1;text-align:left;min-height:95px}.dia-atlas-v4 .da-time span{font-size:.87rem;display:block;color:var(--dia-copper)}.dia-atlas-v4 .da-time b{font-family:Georgia,serif;font-size:1rem}.dia-atlas-v4 .da-compare{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:9px}.dia-atlas-v4 .da-source{padding:11px;border:1px solid var(--dia-line);background:#211f1f;border-radius:9px}.dia-atlas-v4 .da-status{color:#deb28a;font-size:.85rem;min-height:20px}.dia-atlas-v4 .da-list{padding-left:1.25rem}.dia-atlas-v4 .da-list li{margin:7px 0}.dia-atlas-v4 :focus-visible{outline:3px solid #f2ca8b;outline-offset:3px}.dia-atlas-v4 .da-hidden-input{display:none}
@media(max-width:730px){.dia-atlas-v4 .da-lesson-layout{grid-template-columns:1fr}.dia-atlas-v4 .da-lesson-nav{max-height:210px}.dia-atlas-v4 .da-dialects{grid-template-columns:repeat(2,minmax(0,1fr))}.dia-atlas-v4 .da-section{padding:16px}.dia-atlas-v4 .da-cover:after{opacity:.1}.dia-atlas-v4 .da-time{min-width:140px}}
@media(prefers-reduced-motion:reduce){.dia-atlas-v4 *{transition:none!important;animation:none!important}}