.atelier { max-width: 1160px; margin: auto; padding: 2.5rem clamp(1rem, 4vw, 3rem) 5rem; }
.atelier main { max-width: none; }
.atelier [hidden] { display: none !important; }
.atelier-hero { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(220px, 1fr); gap: 2rem; align-items: end; }
.atelier-hero h1 { max-width: 700px; font-size: clamp(2.1rem, 5vw, 3.7rem); }
.eyebrow { font: 600 .8rem var(--mono); color: var(--accent); text-transform: uppercase; letter-spacing: .09em; }
.atelier-note { border-left: 3px solid var(--accent); padding: .5rem 0 .5rem 1rem; color: var(--texte-doux); }
.atelier-nav { display: flex; flex-wrap: wrap; gap: .5rem; margin: 2rem 0; }
.atelier-nav a { padding: .5rem .8rem; border: 1px solid var(--ligne); background: var(--surface); border-radius: 6px; text-decoration: none; font-size: .9rem; }
.atelier section { margin: 3rem 0; scroll-margin-top: 6rem; }
.atelier h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
.atelier h2 span { font: .8rem var(--mono); color: var(--accent); display: block; margin-bottom: .5rem; }
.atelier-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.atelier-card { margin: 0; padding: 1.3rem; border: 1px solid var(--ligne); border-radius: var(--rayon); background: var(--surface); min-width: 0; }
.atelier-card h3 { margin-top: 0; }
.atelier-card legend { padding: 0 .4rem; font-weight: 700; }
.atelier fieldset { min-width: 0; }
.atelier label { display: block; margin-bottom: .7rem; }
.atelier input:not([type="checkbox"]):not([type="radio"]), .atelier textarea, .atelier select { display: block; width: 100%; min-height: 44px; margin-top: .35rem; border: 1px solid var(--ligne); border-radius: 5px; background: var(--fond); color: var(--texte); padding: .65rem; font: inherit; }
.atelier textarea { resize: vertical; }
.atelier input[type="checkbox"], .atelier input[type="radio"] { accent-color: var(--accent); }
.atelier .choices { display: flex; flex-wrap: wrap; gap: .5rem; }
.atelier .choices label { padding: .5rem .7rem; border: 1px solid var(--ligne); border-radius: 5px; cursor: pointer; margin: 0; }
.atelier .choices label:has(input:checked) { background: var(--accent-pale); border-color: var(--accent); }
.atelier .btn { min-height: 44px; white-space: normal; }
.atelier-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin: 1rem 0; }
.feedback { padding: .8rem 1rem; background: var(--surface-2); border-left: 3px solid var(--accent); margin-top: 1rem; }
.feedback:empty { display: none; }
.feedback.correct { border-color: var(--ok); }
.feedback.incorrect { border-color: var(--alerte); }
.fine { font-size: .86rem; color: var(--texte-doux); }
.circuit { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); list-style: none; padding: 0; border: 1px solid var(--ligne); border-radius: var(--rayon); overflow: hidden; margin: 2rem 0; }
.circuit li { padding: 1rem; margin: 0; background: var(--surface); border-right: 1px solid var(--ligne); }
.circuit li:last-child { border: 0; }
.circuit b { display: block; font-family: var(--titre); }
.circuit small { color: var(--texte-doux); }
.counter { font: 700 1.8rem var(--titre); color: var(--accent); display: block; }
.result-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .7rem; }
.result-grid div { padding: 1rem; background: var(--accent-pale); border-radius: 6px; }
.scenario-options { display: grid; gap: .65rem; }
.scenario-options button { text-align: left; justify-content: flex-start; }
.atelier details { margin: 1rem 0; padding: 1rem; border: 1px solid var(--ligne); border-radius: 6px; }
.atelier summary { cursor: pointer; font-weight: 600; }
.atelier summary + * { margin-top: 1rem; }
.atelier-bilan { border: 2px solid var(--accent); }
.skip-link { position: absolute; top: -100px; left: 1rem; background: var(--surface); padding: 1rem; z-index: 100; }
.skip-link:focus { top: 0; }
@media (max-width: 720px) { .atelier-grid, .atelier-hero { grid-template-columns: 1fr; } .circuit, .result-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .topbar { flex-wrap: wrap; } .topbar nav { margin-left: 0; } .atelier { padding-top: 1.5rem; } .circuit li { border-bottom: 1px solid var(--ligne); } }
@media print { .atelier-nav, .atelier-actions, .scenario-options { display: none; } .atelier { padding: 0; } .atelier-card { break-inside: avoid; } }