/* Studio sonore (/bruit-blanc) : styles limités à cette page. Tokens : tokens.css. */

.bruit-page {
  /* Couleurs des 10 curseurs, des graves (brun) aux aigus (violet) : tokens de stades + teal. */
  --c0: #A16207;
  --c1: var(--stage-5);
  --c2: var(--stage-4);
  --c3: var(--stage-3);
  --c4: var(--stage-2);
  --c5: var(--stage-1);
  --c6: var(--teal-bright);
  --c7: #0EA5E9;
  --c8: #6366F1;
  --c9: #A855F7;
}

/* ── 10 curseurs ──────────────────────────────── */
.studio-rack {
  display: grid; grid-template-columns: repeat(10, minmax(0, 1fr)); gap: .25rem;
  padding: 1rem .25rem; border: 1px solid rgba(255, 255, 255, .06); background: rgba(10, 12, 16, .4);
}
@media (min-width: 640px) { .studio-rack { gap: .75rem; padding: 1.25rem .5rem; } }
.studio-curseur { display: flex; flex-direction: column; align-items: center; gap: .5rem; min-width: 0; }
.studio-curseur__pct { font-family: 'IBM Plex Mono', monospace; font-size: .6875rem; font-weight: 600; color: var(--monitor-faint); font-variant-numeric: tabular-nums; }
.studio-curseur__nom {
  height: 2.2em; max-width: 100%; overflow: hidden; text-align: center;
  font-size: .625rem; line-height: 1.1; color: var(--monitor-faint);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow-wrap: anywhere;
}
@media (min-width: 640px) { .studio-curseur__nom { font-size: .6875rem; } }

/* Curseur natif vertical (clavier, lecteurs d'écran et tactile gérés par le navigateur),
   habillé en piste colorée : remplissage jusqu'à --p, poignée blanche cerclée de --c. */
.studio-curseur__piste {
  -webkit-appearance: none; appearance: none;
  writing-mode: vertical-lr; direction: rtl;
  width: 22px; height: 11rem; margin: 0; padding: 0;
  background: transparent; cursor: pointer;
}
@media (min-width: 640px) { .studio-curseur__piste { width: 28px; height: 15rem; } }
.studio-curseur__piste::-webkit-slider-runnable-track {
  width: 100%; height: 100%; border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, .1);
  background: linear-gradient(to top, var(--c) 0 var(--p, 0%), rgba(255, 255, 255, .05) var(--p, 0%) 100%);
  box-shadow: 0 0 12px color-mix(in srgb, var(--c) 30%, transparent);
}
.studio-curseur__piste::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 22px; border-radius: 11px;
  background: #fff; border: 2px solid var(--c); box-shadow: 0 2px 8px rgba(0, 0, 0, .6);
}
.studio-curseur__piste::-moz-range-track { width: 100%; height: 100%; border-radius: 14px; border: 1px solid rgba(255, 255, 255, .1); background: rgba(255, 255, 255, .05); }
.studio-curseur__piste::-moz-range-progress { width: 100%; border-radius: 14px; background: var(--c); box-shadow: 0 0 12px color-mix(in srgb, var(--c) 30%, transparent); }
.studio-curseur__piste::-moz-range-thumb { width: 100%; height: 22px; border-radius: 11px; background: #fff; border: 2px solid var(--c); box-shadow: 0 2px 8px rgba(0, 0, 0, .6); }
.studio-curseur__piste:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; border-radius: 14px; }
.studio-curseur:has(.studio-curseur__piste:focus-visible) .studio-curseur__pct { color: var(--mint); }


/* L'écoute reste accessible pendant le choix des ambiances. */
html:has(.bruit-page) { scroll-padding-top: calc(var(--stack-h, 4rem) + 1rem); scroll-padding-bottom: 10rem; }
body:has(.bruit-page) { padding-bottom: 8rem; }
.bruit-hero { padding-block: 1.5rem; border-bottom: 1px solid var(--rule); }
.bruit-hero__inner { display: flex; align-items: center; gap: 1rem; }
.bruit-hero__inner > img { flex: 0 0 auto; width: 4rem; height: 4rem; object-fit: contain; }
.bruit-eyebrow { margin-bottom: .375rem; color: var(--teal-text); font-size: .75rem; font-weight: 600; }
.bruit-eyebrow > span { margin-left: .75rem; color: var(--ink-faint); font-weight: 400; }
.bruit-hero h1 { color: var(--ink); font-size: clamp(1.35rem, 2.5vw, 1.875rem); font-weight: 600; line-height: 1.2; letter-spacing: -.025em; }
.bruit-hero__description { margin-top: .5rem; color: var(--ink-soft); font-size: .9375rem; line-height: 1.5; }
.bruit-page .calc-workspace { padding-block: 1.5rem 2rem; }
.studio { display: grid; gap: 1.5rem; }
.studio img { object-fit: contain; flex-shrink: 0; }
.studio button, .studio summary { cursor: pointer; }
.studio button:disabled { cursor: default; }
.studio button:focus-visible, .studio summary:focus-visible, .studio input:focus-visible { outline: 2px solid var(--teal-text); outline-offset: 3px; }
.studio-console button:focus-visible, .studio-console input:focus-visible, .studio-avance input:focus-visible { outline-color: var(--mint); }
.studio-modes { display: grid; grid-template-columns: 1fr 1fr; gap: .25rem; padding: .25rem; border: 1px solid var(--rule); border-radius: .625rem; background: var(--surface-alt); max-width: 30rem; }
.studio-mode { display: grid; gap: .125rem; padding: .625rem 1rem; min-height: 3.5rem; text-align: left; border: 1px solid transparent; border-radius: .375rem; background: transparent; color: var(--ink-soft); font-weight: 600; font-size: .9375rem; }
.studio-mode__compte { color: var(--ink-faint); font-size: .75rem; font-weight: 400; }
.studio-mode.active { background: var(--surface); border-color: var(--rule); color: var(--teal-text); box-shadow: 0 1px 3px rgb(15 23 42 / .06); }
.studio-haut { display: grid; gap: 1rem; }
.studio-section-titre, .studio-bibliotheque__entete { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.studio-section-titre h3, .studio-bibliotheque__entete h3 { font-size: 1.125rem; font-weight: 600; color: var(--ink); line-height: 1.4; }
.studio-section-titre p, .studio-bibliotheque__entete p { margin-top: .25rem; font-size: .875rem; line-height: 1.5; color: var(--ink-soft); }
.studio-compte, .studio-bibliotheque__compte { flex-shrink: 0; color: var(--ink-faint); font-size: .8125rem; }
.studio-lien { flex-shrink: 0; padding: .5rem; min-height: 2.75rem; border: 0; background: transparent; color: var(--teal-text); text-decoration: underline; text-underline-offset: 3px; font-size: .875rem; }
.studio-populaires { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .625rem; }
.studio-favori { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .5rem; min-width: 0; padding: 1rem .375rem .75rem; border: 1px solid var(--rule); border-radius: .625rem; background: var(--surface); color: var(--ink-soft); text-align: center; font-size: .8125rem; font-weight: 500; line-height: 1.35; transition: border-color .15s, background .15s; }
.studio-favori img { width: 3.5rem; height: 3.5rem; }
.studio-favori span { display: grid; align-items: center; min-height: 2.7em; }
.studio-favori:hover, .studio-favori.active { border-color: var(--teal); background: var(--teal-bg); color: var(--teal-text); }
.studio-favori.active { box-shadow: inset 0 0 0 1px var(--teal); }
.studio-favori.active::after { content: ''; position: absolute; top: .5rem; right: .6rem; width: .35rem; height: .65rem; border: solid var(--teal-text); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.studio-recherche { position: relative; }
.studio-champ { width: 100%; min-height: 2.875rem; padding: .625rem .875rem; border: 1px solid var(--rule); border-radius: .5rem; background: var(--surface); color: var(--ink); font-size: 1rem; }
.studio-champ::placeholder { color: var(--ink-faint); }
.studio-liste { position: absolute; z-index: 40; top: calc(100% + .25rem); inset-inline: 0; max-height: min(22rem, 50dvh); overflow-y: auto; margin: 0; padding: .25rem 0; list-style: none; border: 1px solid var(--rule); border-radius: .5rem; background: var(--surface); box-shadow: 0 8px 24px rgb(15 23 42 / .12); }
.studio-option { display: flex; align-items: center; gap: .75rem; min-height: 3rem; padding: .5rem .875rem; color: var(--ink); cursor: pointer; }
.studio-option img { width: 2rem; height: 2rem; }
.studio-option.survol { background: var(--teal-bg); color: var(--teal-text); }
.studio-option.active { font-weight: 600; }
.studio-option__selection { margin-left: auto; color: var(--teal-text); }
.studio-recherche__vide { margin-top: .5rem; padding: 1rem; border: 1px dashed var(--rule); color: var(--ink-soft); }

/* Un seul lecteur : fixe sur ordinateur et mobile, sans dupliquer les contrôles. */
.studio-transport { --monitor-faint: #A4B1C3; position: fixed; z-index: 60; bottom: max(1rem, env(safe-area-inset-bottom)); left: 50%; transform: translateX(-50%); width: min(76rem, calc(100% - 2rem)); display: grid; grid-template-columns: minmax(10rem, 1fr) auto minmax(10rem, 15rem) auto auto; align-items: center; gap: 1rem; padding: 1rem 1.25rem; border: 1px solid #334155; border-radius: .875rem; box-shadow: 0 8px 36px rgb(15 23 42 / .25); }
.studio-now { display: flex; align-items: center; gap: .75rem; min-width: 0; }
.studio-now > div { min-width: 0; }
.studio-titre { display: block; color: var(--monitor-text); font-size: 1rem; font-weight: 600; line-height: 1.3; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.studio-etat { display: flex; align-items: center; gap: .375rem; margin-top: .25rem; color: var(--monitor-faint); font-size: .75rem; line-height: 1.4; }
.studio-etat__point { flex-shrink: 0; width: .375rem; height: .375rem; border-radius: 50%; background: var(--monitor-faint); }
.studio-etat__point.is-on { background: var(--mint); }
.studio-etat__point.is-charge { background: var(--stage-3); }
.studio-lecture { display: flex; align-items: center; justify-content: center; gap: .5rem; min-height: 3rem; min-width: 7.5rem; padding: .75rem 1.125rem; border: 1px solid var(--mint); border-radius: .5rem; background: var(--mint); color: var(--monitor-bg); font-size: .9375rem; font-weight: 600; }
.studio-lecture > span { display: inline-flex; align-items: center; }
.studio-lecture:hover:not(:disabled) { background: #6EE7B7; }
.studio-lecture:disabled { border-color: #475569; background: #334155; color: #CBD5E1; }
.studio-lecture.is-playing { border-color: var(--mint); background: transparent; color: var(--mint); }
.studio-bouton { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 2.75rem; padding: .5rem .75rem; border: 1px solid #475569; border-radius: .5rem; background: transparent; color: var(--monitor-text); font-size: .875rem; font-weight: 500; }
.studio-bouton:hover { border-color: var(--mint); background: rgb(255 255 255 / .04); }
.studio-bouton.is-on, .studio-bouton[aria-expanded="true"] { border-color: var(--mint); color: var(--mint); }
.studio-volume { display: flex; align-items: center; gap: .5rem; min-width: 0; }
.studio-volume input { flex: 1; width: 100%; min-width: 0; height: 2.75rem; accent-color: var(--mint); }
.studio-volume__valeur { flex: 0 0 3em; color: var(--monitor-text); font: .75rem 'IBM Plex Mono', monospace; text-align: right; white-space: nowrap; }
.studio-muet { padding: .5rem; width: 2.75rem; flex: 0 0 2.75rem; border-color: transparent; }
.studio-mix-toggle { white-space: nowrap; }
.studio-session-toggle { white-space: nowrap; }
.studio-panneau { position: absolute; right: 0; bottom: calc(100% + .75rem); width: min(32rem, calc(100vw - 2rem)); max-height: min(32rem, calc(100dvh - var(--stack-h, 4rem) - 10rem)); overflow-y: auto; padding: 1.25rem; border: 1px solid #475569; border-radius: .75rem; background: var(--monitor-surface); color: var(--monitor-text); box-shadow: 0 8px 30px rgb(15 23 42 / .25); }
.studio-panneau__titre { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.studio-panneau h3 { font-size: 1.125rem; font-weight: 600; }
.studio-panneau h3 > span { display: inline-block; margin-left: .375rem; color: var(--monitor-faint); font-size: .8125rem; font-weight: 400; }
.studio-fermer { display: inline-grid; place-items: center; width: 2.75rem; height: 2.75rem; flex-shrink: 0; border: 0; border-radius: .375rem; background: transparent; color: var(--monitor-text); }
.studio-fermer:hover { background: #334155; }
.studio-piste { display: grid; grid-template-columns: 2.25rem minmax(0, 1fr) 3rem 2.75rem; align-items: center; gap: .375rem .75rem; margin-bottom: 1rem; }
.studio-piste > img { grid-column: 1; grid-row: 1 / 3; }
.studio-piste > label { grid-column: 2 / 4; font-size: .875rem; }
.studio-piste > input { grid-column: 2; min-width: 0; width: 100%; height: 2.75rem; accent-color: var(--mint); }
.studio-piste > span { grid-column: 3; color: var(--monitor-faint); font: .75rem 'IBM Plex Mono', monospace; text-align: right; }
.studio-piste > button { grid-column: 4; grid-row: 1 / 3; }
.studio-minuterie { display: flex; flex-wrap: wrap; gap: .5rem; }
.studio-minuterie legend { margin-bottom: .75rem; font-size: .9375rem; }
.studio-chip { position: relative; display: inline-flex; align-items: center; justify-content: center; min-height: 2.75rem; padding: .625rem .875rem; border: 1px solid #475569; border-radius: .5rem; color: var(--monitor-text); cursor: pointer; font-size: .875rem; }
.studio-chip.active { background: var(--mint); border-color: var(--mint); color: var(--monitor-bg); }
.studio-chip:has(input:focus-visible) { outline: 2px solid var(--mint); outline-offset: 3px; }
.studio-restant { margin-top: 1rem; color: var(--mint); font: .875rem 'IBM Plex Mono', monospace; }
.studio-raccourcis { display: flex; align-items: center; gap: .5rem; margin-top: 1.5rem; color: var(--monitor-text); font-size: .8125rem; line-height: 1.5; }
.studio-raccourcis input { flex-shrink: 0; width: 1.25rem; height: 1.25rem; accent-color: var(--mint); }
.studio-panneau__aide { margin-top: .75rem; color: var(--monitor-faint); font-size: .8125rem; line-height: 1.6; }
.studio-erreur { position: absolute; right: 0; bottom: calc(100% + .5rem); max-width: 30rem; padding: 1rem; border: 1px solid var(--warn-border); background: var(--warn-bg); color: var(--warn-text); font-size: .875rem; }

/* Les dix pistes sont un réglage volontaire, pas un obstacle avant Lecture. */
.studio-avance { border: 1px solid var(--rule); border-radius: .625rem; background: var(--surface); }
.studio-avance > summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem; color: var(--ink); font-size: .9375rem; font-weight: 600; list-style: none; }
.studio-avance > summary::-webkit-details-marker { display: none; }
.studio-avance > summary small { margin-left: .625rem; color: var(--ink-faint); font-size: .8125rem; font-weight: 400; }
.studio-avance[open] > summary > .icon { transform: rotate(90deg); }
.studio-avance__contenu { --monitor-faint: #A4B1C3; display: grid; gap: 1rem; padding: 1rem; border-radius: 0 0 .625rem .625rem; background: var(--monitor-bg); color: var(--monitor-text); font-size: .875rem; line-height: 1.5; }
.studio-visualiseur { width: 100%; height: 3rem; background: var(--monitor-surface); }
.studio-reglages { display: flex; flex-wrap: wrap; gap: .5rem; }
.studio-reglages kbd { font: .6875rem 'IBM Plex Mono', monospace; color: var(--monitor-faint); }
.studio-conseil { color: var(--mint); }

/* Ambiances précomposées et bibliothèque. */
.studio-ambiances { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.studio-ambiance { display: flex; align-items: center; gap: .75rem; padding: 1rem; min-width: 0; border: 1px solid var(--rule); border-radius: .625rem; background: var(--surface); color: var(--ink); text-align: left; }
.studio-ambiance > img { width: 3rem; height: 3rem; }
.studio-ambiance > span { flex: 1; min-width: 0; }
.studio-ambiance strong { display: block; font-size: .875rem; font-weight: 600; line-height: 1.4; }
.studio-ambiance small { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-top: .375rem; color: var(--ink-soft); font-size: .8125rem; line-height: 1.4; }
.studio-ambiance:hover, .studio-ambiance.active { background: var(--teal-bg); border-color: var(--teal); }
.studio-ambiance.active { box-shadow: inset 0 0 0 1px var(--teal); }
.studio-ambiance > .icon { flex-shrink: 0; color: var(--teal-text); }
.studio-bibliotheque { display: grid; gap: 1rem; padding-top: .5rem; }
.studio-filtres { display: grid; gap: .75rem; }
.studio-puces { display: flex; flex-wrap: wrap; gap: .5rem; }
.studio-puce { display: inline-flex; align-items: center; justify-content: center; gap: .375rem; padding: .375rem .625rem; min-height: 2.75rem; border: 1px solid var(--rule); border-radius: .5rem; background: var(--surface); color: var(--ink-soft); font-size: .8125rem; white-space: nowrap; }
.studio-puce img { width: 1.5rem; height: 1.5rem; }
.studio-puce > span { color: inherit; font: .6875rem 'IBM Plex Mono', monospace; }
.studio-puce:hover { border-color: var(--teal); }
.studio-puce.active { background: var(--teal-text); border-color: var(--teal-text); color: var(--surface); }
.studio-grille { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.studio-carte { min-width: 0; border: 1px solid var(--rule); border-radius: .625rem; background: var(--surface); }
.studio-carte:hover, .studio-carte.active { border-color: var(--teal); }
.studio-carte.active { background: var(--teal-bg); box-shadow: inset 0 0 0 1px var(--teal); }
.studio-carte__bouton { position: relative; display: flex; flex-direction: column; align-items: center; gap: .375rem; width: 100%; height: 100%; padding: .875rem .5rem; border: 0; border-radius: .625rem; background: transparent; color: var(--ink); text-align: center; }
.studio-carte__image { width: 3.5rem; height: 3.5rem; margin-bottom: .25rem; }
.studio-carte__nom { display: grid; align-items: center; min-height: 2.7em; font-size: .875rem; line-height: 1.35; font-weight: 600; }
.studio-carte__cat { color: var(--ink-faint); font-size: .75rem; }
.studio-carte__action { color: var(--teal-text); font-size: .75rem; font-weight: 500; }
.studio-carte__toggle { position: absolute; top: .5rem; right: .5rem; display: grid; place-items: center; width: 1.25rem; height: 1.25rem; border: 1px solid var(--rule); border-radius: 50%; color: var(--ink-faint); font-size: .875rem; }
.studio-carte.active .studio-carte__toggle { background: var(--teal-text); border-color: var(--teal-text); color: var(--surface); }
.studio-carte__bouton:disabled { opacity: .5; }
.studio-limite { padding: 1rem; border-left: 2px solid var(--warn-border); background: var(--warn-bg); color: var(--warn-text); font-size: .875rem; }
.studio-vide { grid-column: 1 / -1; display: grid; justify-items: center; gap: 1rem; padding: 2rem; border: 1px dashed var(--rule); color: var(--ink-soft); text-align: center; }
.studio-plus { justify-self: center; min-height: 2.875rem; padding: .75rem 1.5rem; border: 1px solid var(--teal); border-radius: .5rem; background: var(--surface); color: var(--teal-text); font-size: .9375rem; font-weight: 500; }
.bruit-note { margin-top: 1.5rem; padding: .875rem 1rem; border-left: 2px solid var(--teal); background: var(--teal-bg); color: var(--ink-soft); font-size: .875rem; line-height: 1.6; }
@media (min-width: 800px) { .studio-populaires { grid-template-columns: repeat(8, minmax(0, 1fr)); } .studio-grille { grid-template-columns: repeat(4, minmax(0, 1fr)); } .studio-ambiances { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .studio-grille { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
@media (max-width: 800px) {
  body:has(.bruit-page) { padding-bottom: calc(9rem + env(safe-area-inset-bottom)); scroll-padding-bottom: 10rem; }
  .studio-transport { bottom: 0; width: 100%; grid-template-columns: minmax(0, 1fr) auto auto auto; gap: .375rem .625rem; padding: .75rem 1rem calc(.625rem + env(safe-area-inset-bottom)); border-radius: .75rem .75rem 0 0; }
  .studio-now { grid-column: 1 / 3; grid-row: 1; gap: .5rem; }
  .studio-now > img { width: 2rem; height: 2rem; }
  .studio-titre { font-size: .9375rem; }
  .studio-etat { font-size: .75rem; }
  .studio-etat > span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .studio-lecture { grid-column: 3 / 5; grid-row: 1; min-width: 7rem; min-height: 2.75rem; padding: .625rem; }
  .studio-volume { grid-column: 1 / 4; grid-row: 2; }
  .studio-transport--mix .studio-volume { grid-column: 1 / 3; }
  .studio-mix-toggle { grid-column: 3; grid-row: 2; padding: .5rem .625rem; }
  .studio-mix-toggle__label { display: inline; font-size: .75rem; }
  .studio-session-toggle { grid-column: 4; grid-row: 2; min-width: 2.75rem; padding: .5rem; }
  .studio-session-texte { display: none; }
  .studio-session-toggle.is-on > .icon { display: none; }
  .studio-session-toggle.is-on .studio-session-texte { display: inline; font-size: .8125rem; }
  .studio-panneau { right: .5rem; width: calc(100vw - 1rem); bottom: calc(100% + .5rem); max-height: calc(100dvh - var(--stack-h, 4rem) - 10rem); }
  .studio-muet { flex-basis: 2.5rem; width: 2.5rem; }
}
@media (max-width: 600px) {
  body:has(.bruit-page) .site-status { display: none; }
  .bruit-hero { padding-block: 1rem; }
  .bruit-hero__inner { gap: .75rem; align-items: flex-start; }
  .bruit-hero__inner > img { width: 2.75rem; height: 2.75rem; margin-top: .125rem; }
  .bruit-eyebrow { font-size: .75rem; }
  .bruit-eyebrow > span { display: none; }
  .bruit-hero__description { font-size: .875rem; }
  .bruit-page .calc-workspace { padding-top: 1rem; }
  .studio { gap: 1.25rem; }
  .studio-modes { max-width: none; }
  .studio-mode { padding: .625rem .75rem; font-size: .875rem; }
  .studio-mode__compte { font-size: .75rem; line-height: 1.3; }
  .studio-section-titre, .studio-bibliotheque__entete { align-items: flex-start; }
  .studio-section-titre h3, .studio-bibliotheque__entete h3 { font-size: 1rem; }
  .studio-compte { display: none; }
  .studio-favori { padding: .75rem .25rem; font-size: .75rem; }
  .studio-favori img { width: 2.75rem; height: 2.75rem; }
  .studio-populaires { gap: .5rem; }
  .studio-avance > summary small { display: block; margin: .25rem 0 0; }
  .studio-rack { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1.25rem .5rem; }
  .studio-curseur__nom { font-size: .75rem; height: 2.5em; }
  .studio-curseur__pct { font-size: .75rem; }
  .studio-curseur__piste { width: 1.75rem; height: 8rem; }
  .studio-ambiances { display: flex; overflow-x: auto; padding: .125rem .125rem .5rem; scroll-snap-type: x proximity; }
  .studio-ambiance { flex: 0 0 15rem; scroll-snap-align: start; }
  .studio-lien { font-size: .8125rem; max-width: 8.5rem; text-align: right; }
  .studio-puces { flex-wrap: nowrap; overflow-x: auto; padding: .125rem .125rem .5rem; }
  .studio-compte, .studio-bibliotheque__compte { font-size: .75rem; }
}
@media (max-width: 360px) { .studio-transport--mix .studio-volume__valeur { display: none; } }
@media (prefers-reduced-motion: reduce) { .studio * { scroll-behavior: auto; transition: none; } }
@media print { .studio { display: none; } body:has(.bruit-page) { padding-bottom: 0; } }

/* ── Guide ────────────────────────────────────── */
.bruit-guide { padding-block: 2.5rem 3rem; border-top: 1px solid var(--rule); }
.bruit-guide h2 { margin-top: .5rem; font-size: clamp(1.375rem, 3vw, 1.75rem); font-weight: 600; letter-spacing: -.02em; line-height: 1.2; }
.bruit-guide__lede, .bruit-guide__more { margin-top: .75rem; max-width: 70ch; color: var(--ink-soft); line-height: 1.7; }
.bruit-guide__more { margin-top: 1.25rem; }
.bruit-guide .bruit-guide__h2 { margin-top: 2.5rem; }
.bruit-cards { display: grid; gap: 1rem; margin-top: 1.5rem; }
@media (min-width: 800px) { .bruit-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.bruit-card { padding: 1.25rem; border: 1px solid var(--rule); background: var(--surface); }
.bruit-card > img { float: right; margin: 0 0 .75rem 1rem; object-fit: contain; }
.bruit-card h3 { font-size: 1.0625rem; font-weight: 600; }
.bruit-card__slope { margin-top: .25rem; font-family: 'IBM Plex Mono', monospace; font-size: .75rem; color: var(--teal-text); }
.bruit-card p:not(.bruit-card__slope) { margin-top: .75rem; font-size: .9375rem; line-height: 1.7; color: var(--ink-soft); }
.bruit-tips { margin-top: 1rem; padding-left: 1.25rem; max-width: 70ch; color: var(--ink-soft); line-height: 1.7; }
.bruit-tips li + li { margin-top: .5rem; }

#lecteur, #couleurs, #usage, #faq { scroll-margin-top: calc(var(--stack-h, 6rem) + 1rem); }