/* ducotedelascience.org : les lames de microscope (22 octobre 2026). Paillasse blanche, verre, colorations. */
:root {
  --paillasse: #f4f7f8;
  --verre: rgba(235, 245, 248, .85);
  --blanc: #ffffff;
  --encre: #22313f;
  --gris: #5e6c78;
  --depoli: #dfe4e8;
  --bord: #b8c6cf;
  --bleu: #3b6fb6;
  --rose: #d26a8c;
  --violet: #7d5aa8;
  --vert: #3f8f72;
  --titre: 'Gowun Batang', Georgia, serif;
  --texte: 'Hind Madurai', system-ui, sans-serif;
  --main: 'Nanum Pen Script', cursive;
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--paillasse); color: var(--encre); font: 400 1.1rem/1.7 var(--texte); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.observer { position: absolute; left: -999px; }
.observer:focus { left: 1rem; top: 1rem; background: #fff; padding: .5rem 1rem; }
.lame__depoli--bleu, .pastille--bleu, .goutte--bleu { --c: var(--bleu); }
.lame__depoli--rose, .pastille--rose, .goutte--rose { --c: var(--rose); }
.lame__depoli--violet, .pastille--violet, .goutte--violet { --c: var(--violet); }
.lame__depoli--vert, .pastille--vert, .goutte--vert { --c: var(--vert); }

/* la paillasse */
.paillasse { background: var(--blanc); border-bottom: 1px solid var(--bord); }
.paillasse__in { max-width: 1100px; margin: 0 auto; padding: 1rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.paillasse__nom { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; font: 700 1.45rem/1 var(--titre); }
.paillasse__objectif { width: 1.8rem; height: 1.8rem; border-radius: 50%; border: 3px solid var(--encre); box-shadow: inset 0 0 0 4px var(--blanc), inset 0 0 0 10px var(--bleu); }
.paillasse__rub { display: flex; gap: .45rem; flex-wrap: wrap; }
.pastille { text-decoration: none; font-size: .95rem; padding: .35rem .85rem; border-radius: 999px; border: 1.5px solid var(--c); color: var(--c); font-weight: 600; }
.pastille[aria-current], .pastille:hover { background: var(--c); color: #fff; }

main { max-width: 1100px; margin: 0 auto; padding: 2rem 1rem 3rem; }
.titre-lame { font: 700 1.4rem/1.2 var(--titre); margin: 0 0 1rem; }

/* l'oculaire */
.vue { display: grid; grid-template-columns: 1fr auto; gap: 2.4rem; align-items: center; }
.vue > * { min-width: 0; }
.vue__note { margin: 0; font: 1.6rem/1 var(--main); color: var(--bleu); }
.vue h1 { font: 700 clamp(2rem, 5vw, 3.2rem)/1.08 var(--titre); margin: .2rem 0 .8rem; }
.vue p { margin: 0; color: var(--gris); }
.oculaire { display: flex; flex-direction: column; align-items: center; gap: 1rem; text-decoration: none; width: min(380px, 80vw); }
.oculaire__champ { width: 100%; aspect-ratio: 1; border-radius: 50%; overflow: hidden; border: 14px solid var(--encre); box-shadow: 0 0 0 4px var(--depoli), 0 18px 34px rgba(34, 49, 63, .18); background: var(--depoli); }
.oculaire__champ img { width: 100%; height: 100%; object-fit: cover; }
.oculaire__t { font: 700 1.2rem/1.25 var(--titre); text-align: center; overflow-wrap: anywhere; }
.oculaire:hover .oculaire__t { text-decoration: underline; }

/* la boîte de lames */
.boite { margin-top: 3rem; }
.lames { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.4rem; }
.lames > * { min-width: 0; }
.lame { display: grid; grid-template-columns: 96px 130px 1fr; align-items: center; min-height: 104px; text-decoration: none; background: var(--verre); border: 1px solid var(--bord); border-radius: 3px; box-shadow: 0 3px 8px rgba(34, 49, 63, .07); overflow: hidden; }
.lame > * { min-width: 0; }
.lame__depoli { align-self: stretch; display: flex; flex-direction: column; justify-content: center; gap: .1rem; padding: .5rem .6rem; background: repeating-linear-gradient(45deg, var(--depoli) 0 2px, #e9edf0 2px 4px); border-right: 4px solid var(--c); }
.lame__etiq { font: 1.25rem/1 var(--main); color: var(--c); overflow-wrap: anywhere; }
.lame__date { font-size: .72rem; color: var(--gris); line-height: 1.2; }
.lame__lamelle { margin: .6rem; height: 84px; overflow: hidden; border-radius: 2px; background: var(--depoli); border: 1px solid var(--bord); }
.lame__lamelle img { width: 100%; height: 100%; object-fit: cover; }
.lame__t { padding: .6rem .9rem .6rem .3rem; font: 700 1rem/1.3 var(--titre); overflow-wrap: anywhere; }
.lame:hover .lame__t { text-decoration: underline; }

/* les colorations */
.colorations { margin-top: 3rem; }
.gouttes { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 1rem; }
.goutte { background: var(--blanc); border-radius: 12px; padding: .9rem; border-top: 6px solid var(--c); }
.goutte__nom { display: block; font: 1.6rem/1 var(--main); color: var(--c); text-decoration: none; margin-bottom: .5rem; }
.goutte__art { display: grid; grid-template-columns: 64px 1fr; gap: .6rem; align-items: center; text-decoration: none; font-size: .92rem; line-height: 1.35; }
.goutte__art > * { min-width: 0; }
.goutte__img { width: 64px; height: 64px; border-radius: 50%; overflow: hidden; background: var(--depoli); }
.goutte__img img { width: 100%; height: 100%; object-fit: cover; }
.goutte__art:hover span:last-child { text-decoration: underline; }

/* article */
.preparation { max-width: 800px; margin: 0 auto; }
.preparation__tete { display: grid; grid-template-columns: 130px 1fr; background: var(--verre); border: 1px solid var(--bord); border-radius: 4px; overflow: hidden; }
.preparation__tete > * { min-width: 0; }
.preparation__tete--rub { max-width: 1100px; margin: 0 auto 1.6rem; }
.preparation__depoli { display: flex; flex-direction: column; justify-content: center; gap: .2rem; padding: .8rem; background: repeating-linear-gradient(45deg, var(--depoli) 0 2px, #e9edf0 2px 4px); border-right: 4px solid var(--c, var(--bleu)); font-size: .8rem; color: var(--gris); }
.preparation__depoli a, .preparation__depoli span:first-child { font: 1.5rem/1 var(--main); color: var(--c, var(--bleu)); text-decoration: none; }
.preparation__titre { padding: 1.3rem 1.4rem; }
.preparation__titre h1 { font: 700 clamp(1.6rem, 3.6vw, 2.3rem)/1.18 var(--titre); margin: 0; }
.preparation__titre p { margin: .4rem 0 0; }
.preparation__m { font-size: .88rem; color: var(--gris); }
.preparation__img { margin: 1.4rem 0 0; }
.preparation__img img { width: 100%; border-radius: 4px; }
.preparation__texte { background: var(--blanc); margin-top: 1.4rem; border: 1px solid var(--bord); border-radius: 4px; padding: 1.8rem clamp(1rem, 4vw, 2.4rem); overflow-wrap: anywhere; }
.preparation__texte h2 { font: 700 1.45rem/1.25 var(--titre); margin: 2rem 0 .6rem; }
.preparation__texte h2::after { content: ''; display: block; width: 2.6rem; height: 3px; background: var(--rose); margin-top: .3rem; }
.preparation__texte h3 { font: 700 1.18rem/1.3 var(--titre); margin: 1.5rem 0 .4rem; }
.preparation__texte a { color: var(--bleu); }
.preparation__texte table { width: 100%; border-collapse: collapse; display: block; overflow-x: auto; margin: 1.2rem 0; font-size: 1rem; }
.preparation__texte th, .preparation__texte td { border: 1px solid var(--depoli); padding: .5rem .6rem; text-align: left; vertical-align: top; }
.preparation__texte th { background: var(--paillasse); }
.preparation__texte img { margin: 1rem auto; }
.preparation__texte blockquote { margin: 1.2rem 0; padding: .8rem 1.1rem; border-left: 4px solid var(--bleu); background: var(--paillasse); }
.preparation__texte iframe { max-width: 100%; }
.boite--suite { max-width: 1100px; margin-left: auto; margin-right: auto; }
.vide { color: var(--gris); }

/* l'étiquette du coffret */
.coffret { background: var(--blanc); border-top: 1px solid var(--bord); margin-top: 2rem; }
.coffret__in { max-width: 1100px; margin: 0 auto; padding: 1.8rem 1rem 2.2rem; display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 1.6rem; }
.coffret__in > * { min-width: 0; }
.coffret__etiquette { border: 2px solid var(--encre); padding: .8rem 1rem; align-self: start; background: repeating-linear-gradient(0deg, transparent 0 1.6rem, var(--depoli) 1.6rem calc(1.6rem + 1px)); }
.coffret__nom { margin: 0; font: 700 1.2rem/1.2 var(--titre); }
.coffret__note { margin: .3rem 0 0; font: 1.4rem/1 var(--main); color: var(--bleu); }
.coffret__liste { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 1rem; }
.coffret__liste li { margin: 0 0 .35rem; break-inside: avoid; }
.coffret a { text-decoration: none; }
.coffret a:hover { text-decoration: underline; }

@media (max-width: 860px) {
  .vue { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .lames { grid-template-columns: 1fr; }
  .coffret__in { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .lame { grid-template-columns: 78px 1fr; }
  .lame__lamelle { display: none; }
  .preparation__tete { grid-template-columns: 1fr; }
  .preparation__depoli { border-right: 0; border-bottom: 4px solid var(--c, var(--bleu)); flex-direction: row; gap: .8rem; align-items: baseline; }
}