/* ------------------------------------------------------------------
   Dossier de production musicale
   Direction : papier à musique et feuille de minutage.
   Un seul moment fort : la chronologie des cues en haut de page.
------------------------------------------------------------------- */

:root {
  color-scheme: light dark;

  --papier: #e9edef;
  --papier-2: #dde3e6;
  --encre: #14202b;
  --encre-douce: #4a5966;
  --trait: #b8c2c9;

  --bleu: #2c5e9e;
  --laiton: #a87d1f;
  --vert: #3b7a57;
  --gris: #6f7d88;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", "URW Palladio L", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --hauteur-barre: 3rem;
  --hauteur-piste: 38px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --papier: #0f1820;
    --papier-2: #16222d;
    --encre: #e6ecef;
    --encre-douce: #9aa9b5;
    --trait: #2a3a47;

    --bleu: #6fa3e0;
    --laiton: #d9b15a;
    --vert: #6dbb92;
    --gris: #8c9aa5;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--hauteur-barre) + 1rem);
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--papier);
  color: var(--encre);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.7;
}

.wrap {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

a { color: inherit; text-decoration-color: var(--trait); text-underline-offset: 0.2em; }
a:hover { text-decoration-color: currentColor; }

:focus-visible {
  outline: 2px solid var(--bleu);
  outline-offset: 2px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--encre);
  color: var(--papier);
  padding: 0.5rem 0.9rem;
  font-family: var(--sans);
  font-size: 0.9rem;
  z-index: 20;
}
.skip:focus { top: 0.5rem; }

/* ---------- Barre de navigation ---------- */

.barre {
  position: sticky;
  top: 0;
  z-index: 10;
  height: var(--hauteur-barre);
  background: color-mix(in srgb, var(--papier) 92%, transparent);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--trait);
}

.barre nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 100%;
  overflow-x: auto;
  white-space: nowrap;
  font-family: var(--sans);
  font-size: 0.9rem;
}

.barre a { text-decoration: none; color: var(--encre-douce); }
.barre a:hover { color: var(--encre); }

.barre .retour {
  padding-right: 1.5rem;
  margin-right: 0.25rem;
  border-right: 1px solid var(--trait);
  font-weight: 500;
  color: var(--encre);
}

.barre .marque {
  font-weight: 500;
  color: var(--encre);
}

/* ---------- Hero ---------- */

.hero { padding-block: clamp(2.5rem, 7vw, 5rem) 3rem; }

h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.75rem, 8vw, 6rem);
  line-height: 1;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.lede {
  max-width: 40ch;
  margin: 1.25rem 0 0;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  font-style: italic;
  line-height: 1.45;
  color: var(--encre-douce);
}

.fiche {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 3rem;
  margin: 2.25rem 0 0;
  font-family: var(--sans);
}

.fiche div { min-width: 8rem; }
.fiche dt { font-size: 0.85rem; color: var(--encre-douce); }
.fiche dd { margin: 0.1rem 0 0; font-size: 1.05rem; font-weight: 500; }

/* ---------- Chronologie ---------- */

.chrono { margin-top: clamp(2.5rem, 6vw, 4rem); }

.chrono-titre {
  margin: 0 0 0.75rem;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--encre-douce);
}

.chrono-defile {
  overflow-x: auto;
  border-block: 1px solid var(--trait);
  background: var(--papier-2);
  padding: 0 1rem 1rem;
}

.timeline {
  position: relative;
  min-width: 960px;
}

.regle {
  position: relative;
  height: 1.75rem;
  border-bottom: 1px solid var(--trait);
  margin-bottom: 0.75rem;
  font-family: var(--sans);
  font-size: 0.75rem;
  color: var(--encre-douce);
}

.graduation {
  position: absolute;
  top: 0;
  bottom: 0;
  padding: 0.35rem 0 0 0.35rem;
  border-left: 1px solid var(--trait);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.pistes { position: relative; }

.bloc-cue {
  --c: var(--gris);
  position: absolute;
  height: calc(var(--hauteur-piste) - 6px);
  min-width: 2.75rem;
  padding: 0 0.4rem;
  border: 0;
  border-left: 3px solid var(--c);
  border-radius: 2px;
  background:
    linear-gradient(90deg,
      color-mix(in srgb, var(--c) 45%, var(--papier)) var(--p, 0%),
      color-mix(in srgb, var(--c) 20%, var(--papier)) var(--p, 0%));
  color: var(--encre);
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 600;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
}

.bloc-cue:hover { outline: 1px solid var(--c); }
.bloc-cue.en-lecture { outline: 2px solid var(--encre); outline-offset: 1px; }

.legende {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--encre-douce);
}

/* Couleurs selon le statut, partagées par la chronologie et la liste */
.s-idee     { --c: var(--gris); }
.s-maquette { --c: var(--bleu); }
.s-travail  { --c: var(--laiton); }
.s-valide   { --c: var(--vert); }

.pastille::before {
  content: "";
  display: inline-block;
  width: 0.7em;
  height: 0.7em;
  margin-right: 0.45em;
  background: var(--c);
  border-radius: 1px;
}

/* ---------- Page d'accueil ---------- */

.accueil .hero { padding-bottom: 2rem; }

.grille-projets {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1px;
  margin: 0 0 4rem;
  padding: 0;
  list-style: none;
  background: var(--trait);
  border: 1px solid var(--trait);
}

.carte-projet { background: var(--papier); }

.carte-lien {
  display: block;
  height: 100%;
  padding: 1.75rem;
  text-decoration: none;
  transition: background-color 0.15s ease;
}
.carte-lien:hover, .carte-lien:focus-visible { background: var(--papier-2); }

.carte-lien h2 {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 500;
  line-height: 1.2;
}

.carte-accroche {
  max-width: 32ch;
  margin: 0.75rem 0 0;
  font-style: italic;
  color: var(--encre-douce);
}

.carte-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  align-items: center;
  margin: 1.25rem 0 0;
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--encre-douce);
}

/* ---------- Sections ---------- */

.bloc {
  display: grid;
  grid-template-columns: minmax(150px, 220px) minmax(0, 1fr);
  gap: 1.5rem 3rem;
  padding-block: 4rem;
  border-top: 1px solid var(--trait);
}

.bloc > h2 {
  align-self: start;
  position: sticky;
  top: calc(var(--hauteur-barre) + 1.25rem);
  margin: 0;
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

@media (max-width: 800px) {
  .bloc { grid-template-columns: minmax(0, 1fr); padding-block: 3rem; }
  .bloc > h2 { position: static; }
}

.texte p { max-width: 62ch; margin: 0 0 1.1em; }
.texte p:last-child { margin-bottom: 0; }

.sous-titre {
  margin: 3rem 0 1rem;
  font-size: 1.25rem;
  font-weight: 500;
}

/* ---------- Thèmes ---------- */

.theme { padding-block: 1.75rem; border-top: 1px solid var(--trait); }
.theme:first-child { padding-top: 0; border-top: 0; }

.theme h3, .cue h3 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.25;
}

.theme p { max-width: 62ch; margin: 0.6rem 0 0; }

.theme .instruments {
  margin-top: 0.6rem;
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--encre-douce);
}

/* ---------- Palette sonore ---------- */

.palette { margin: 0; }
.palette div {
  display: grid;
  grid-template-columns: minmax(7rem, 11rem) minmax(0, 1fr);
  gap: 0.25rem 1.5rem;
  padding-block: 0.9rem;
  border-top: 1px solid var(--trait);
}
.palette div:first-child { border-top: 0; padding-top: 0; }
.palette dt { font-family: var(--sans); font-weight: 600; font-size: 1rem; }
.palette dd { margin: 0; max-width: 62ch; }

@media (max-width: 540px) {
  .palette div { grid-template-columns: minmax(0, 1fr); }
}

.references { margin: 0; padding: 0; list-style: none; }
.references li { max-width: 62ch; padding-block: 0.6rem; border-top: 1px solid var(--trait); }
.references li:first-child { border-top: 0; padding-top: 0; }
.references strong { font-weight: 600; }

/* ---------- Maquettes (cues) ---------- */

.cue {
  --c: var(--gris);
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr);
  gap: 0.5rem 1.5rem;
  padding: 1.5rem 0.75rem 1.5rem 1.1rem;
  border-top: 1px solid var(--trait);
  border-left: 4px solid var(--c);
  scroll-margin-top: calc(var(--hauteur-barre) + 1rem);
}
.cue:first-child { border-top: 0; }
.cue.en-lecture { background: var(--papier-2); }

.cue-num {
  font-family: var(--sans);
  font-size: 1.3rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
}

.cue-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 1.25rem;
  margin: 0.3rem 0 0;
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--encre-douce);
  font-variant-numeric: tabular-nums;
}

.cue-notes { max-width: 62ch; margin: 0.75rem 0 0; }

.version { margin-top: 1.1rem; }

.version-entete {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  margin: 0;
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--encre-douce);
}

.version-label { font-weight: 700; color: var(--encre); }

.version-lecteur {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.4rem;
}

.version-lecteur audio { flex: 1 1 320px; max-width: 480px; }

.version-notes {
  max-width: 62ch;
  margin: 0.5rem 0 0;
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--encre-douce);
}

.telecharger {
  flex: 0 0 auto;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--trait);
  border-radius: 2px;
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--encre);
  white-space: nowrap;
}
.telecharger:hover { background: var(--papier-2); }

.versions-precedentes {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--trait);
}

.versions-precedentes summary {
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--encre-douce);
}
.versions-precedentes summary:hover { color: var(--encre); }
.versions-precedentes[open] summary { margin-bottom: 0.5rem; }

.versions-precedentes .version { padding-top: 0.9rem; border-top: 1px solid var(--trait); }
.versions-precedentes .version:first-of-type { border-top: 0; padding-top: 0.9rem; }

.a-venir {
  margin: 1rem 0 0;
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--encre-douce);
}

@media (max-width: 540px) {
  .cue { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- Documents ---------- */

.documents { margin: 0; padding: 0; list-style: none; }
.documents li { padding-block: 0.9rem; border-top: 1px solid var(--trait); }
.documents li:first-child { border-top: 0; padding-top: 0; }
.documents a { font-size: 1.2rem; }
.documents p { margin: 0.2rem 0 0; font-family: var(--sans); font-size: 0.95rem; color: var(--encre-douce); }

/* ---------- Pied de page ---------- */

.pied {
  border-top: 1px solid var(--trait);
  padding-block: 2rem 3rem;
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--encre-douce);
}
.pied p { margin: 0; }

.vide { font-family: var(--sans); font-size: 0.95rem; color: var(--encre-douce); margin: 0; }