/* Carpe Librum : une seule feuille de style, pensee pour le telephone
 * d'abord, l'ordinateur ensuite, et pour l'arabe autant que pour le
 * francais.
 *
 * L'ecriture de droite a gauche n'est pas un ajout : les marges internes et
 * les alignements passent par les proprietes logiques (inline-start,
 * inline-end), qui se retournent d'elles memes quand la page passe en
 * dir="rtl". Aucune regle ne suppose que le texte commence a gauche.
 */

:root {
  --encre: #2a2521;
  --encre-douce: #6a6259;
  --encre-legere: #9a9188;
  --papier: #faf7f2;
  --papier-carte: #ffffff;
  --papier-creux: #f2ede4;
  --or: #7a5c2e;
  --or-clair: #a8823f;
  --or-voile: #f4ebda;
  --vert: #4a7c59;
  --rouge: #a8443a;
  --bleu: #3d6a91;
  --bord: #e6ded1;
  --ombre: 0 1px 2px rgba(42, 37, 33, .06), 0 8px 24px rgba(42, 37, 33, .06);
  --ombre-forte: 0 12px 40px rgba(42, 37, 33, .18);
  --rayon: 14px;
  --rayon-petit: 9px;
  --entete-h: 58px;
  --barre-h: 62px;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Noto Naskh Arabic", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans Arabic", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --encre: #ece6dd; --encre-douce: #b3aca2; --encre-legere: #837c73;
    --papier: #17150f; --papier-carte: #211e18; --papier-creux: #2a2620;
    --or: #d2a85c; --or-clair: #e0bd7c; --or-voile: #332b1c;
    --bord: #37322a;
    --ombre: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3);
    --ombre-forte: 0 12px 40px rgba(0,0,0,.6);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--sans);
  background: var(--papier);
  color: var(--encre);
  font-size: 15.5px;
  line-height: 1.55;
  overscroll-behavior-y: none;
  -webkit-font-smoothing: antialiased;
}

html[dir="rtl"] body { font-size: 16.5px; }

h1, h2, h3, .marque, .titre-serif { font-family: var(--serif); font-weight: 600; }
h1 { font-size: 1.6rem; margin: 0 0 .4rem; }
h2 { font-size: 1.22rem; margin: 0 0 .6rem; }
h3 { font-size: 1.03rem; margin: 0 0 .4rem; }
p { margin: 0 0 .7rem; }
a { color: var(--or); }

svg { width: 22px; height: 22px; fill: none; stroke: currentColor;
      stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }

[hidden] { display: none !important; }

/* ------------------------------------------------------------ chargement */
.chargement {
  position: fixed; inset: 0; display: grid; place-content: center;
  gap: 18px; background: var(--papier); z-index: 999;
}
.chargement-marque { font-family: var(--serif); font-size: 1.6rem; color: var(--or); letter-spacing: .04em; }
.chargement-barre { width: 180px; height: 3px; background: var(--bord); border-radius: 3px; overflow: hidden; }
.chargement-barre span { display: block; width: 40%; height: 100%; background: var(--or); animation: glisse 1.1s ease-in-out infinite; }
@keyframes glisse { 0% { transform: translateX(-100%); } 100% { transform: translateX(350%); } }

/* --------------------------------------------------------------- accueil */
.ecran-accueil { position: relative; min-height: 100dvh; display: grid; place-items: center; padding: 22px; }
.accueil-fond {
  position: absolute; inset: 0;
  background:
    radial-gradient(1100px 520px at 12% -10%, var(--or-voile), transparent 62%),
    radial-gradient(800px 480px at 108% 110%, var(--or-voile), transparent 60%);
  pointer-events: none;
}
.accueil-contenu { position: relative; width: 100%; max-width: 430px; text-align: center; }
.langues-flottantes { display: flex; gap: 6px; justify-content: center; margin-bottom: 22px; }
.marque { font-size: 2.5rem; color: var(--or); margin-bottom: .2rem; letter-spacing: .01em; }
.devise { color: var(--encre-douce); margin-bottom: 22px; font-family: var(--serif); font-style: italic; }

.carte-auth {
  background: var(--papier-carte); border: 1px solid var(--bord);
  border-radius: 18px; box-shadow: var(--ombre); padding: 20px; text-align: start;
}
.onglets-auth { display: flex; background: var(--papier-creux); border-radius: 11px; padding: 3px; margin-bottom: 18px; }
.onglet-auth {
  flex: 1; border: 0; background: transparent; padding: 9px; border-radius: 9px;
  font: inherit; font-weight: 600; color: var(--encre-douce); cursor: pointer;
}
.onglet-auth.actif { background: var(--papier-carte); color: var(--or); box-shadow: var(--ombre); }

.champ { display: block; margin-bottom: 13px; }
.champ > span { display: block; font-size: .8rem; font-weight: 600; color: var(--encre-douce); margin-bottom: 5px; }
.champ input, .champ select, .champ textarea, .saisie {
  width: 100%; padding: 11px 13px; border: 1px solid var(--bord);
  border-radius: var(--rayon-petit); background: var(--papier);
  color: var(--encre); font: inherit; outline: none;
}
.champ input:focus, .champ select:focus, .champ textarea:focus, .saisie:focus {
  border-color: var(--or); box-shadow: 0 0 0 3px var(--or-voile);
}
.champ textarea { resize: vertical; min-height: 84px; }
.erreur { color: var(--rouge); font-size: .87rem; margin: 0 0 10px; }
.mention { font-size: .78rem; color: var(--encre-legere); margin: 14px 0 0; text-align: center; }

/* -------------------------------------------------------------- boutons */
.bouton {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 16px; border-radius: var(--rayon-petit); border: 1px solid var(--bord);
  background: var(--papier-carte); color: var(--encre); font: inherit;
  font-weight: 600; cursor: pointer; transition: transform .06s, background .15s;
}
.bouton:active { transform: scale(.985); }
.bouton:disabled { opacity: .5; cursor: not-allowed; }
.bouton.principal { background: var(--or); border-color: var(--or); color: #fff; }
.bouton.danger { background: var(--rouge); border-color: var(--rouge); color: #fff; }
.bouton.discret { background: transparent; border-color: transparent; color: var(--or); }
.bouton.large { width: 100%; padding: 13px; }
.bouton.petit { padding: 6px 11px; font-size: .84rem; }
.bouton svg { width: 18px; height: 18px; }

.icone-bouton {
  position: relative; display: grid; place-items: center; width: 38px; height: 38px;
  border: 0; background: transparent; color: var(--encre); border-radius: 10px; cursor: pointer;
}
.icone-bouton:hover { background: var(--papier-creux); }
.pastille {
  position: absolute; inset-block-start: 6px; inset-inline-end: 6px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--rouge);
  border: 2px solid var(--papier);
}
.avatar-bouton {
  width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--bord);
  background: var(--or-voile) center/cover no-repeat; color: var(--or);
  font: inherit; font-weight: 700; cursor: pointer;
}

/* --------------------------------------------------------------- entete */
.entete {
  position: sticky; top: 0; z-index: 40; height: var(--entete-h);
  display: flex; align-items: center; gap: 8px; padding: 0 10px;
  background: color-mix(in srgb, var(--papier) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--bord);
  padding-top: env(safe-area-inset-top);
  height: calc(var(--entete-h) + env(safe-area-inset-top));
}
.entete-titre { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.15; }
.entete-marque { font-family: var(--serif); font-size: .78rem; color: var(--or); letter-spacing: .06em; text-transform: uppercase; }
.entete-page { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.entete-actions { display: flex; align-items: center; gap: 2px; }

/* --------------------------------------------------------------- tiroir */
.tiroir {
  position: fixed; inset-block: 0; inset-inline-start: 0; width: 274px; z-index: 60;
  background: var(--papier-carte); border-inline-end: 1px solid var(--bord);
  transform: translateX(-102%); transition: transform .22s ease;
  display: flex; flex-direction: column; padding: 16px 12px;
  padding-top: calc(16px + env(safe-area-inset-top));
}
html[dir="rtl"] .tiroir { transform: translateX(102%); }
.tiroir.ouvert { transform: translateX(0); }
.tiroir-entete { padding: 4px 8px 14px; border-bottom: 1px solid var(--bord); margin-bottom: 10px; }
.tiroir-marque { font-family: var(--serif); font-size: 1.3rem; color: var(--or); }
.tiroir-heure { font-size: .78rem; color: var(--encre-legere); }
.tiroir-liens { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; }
.lien-tiroir {
  display: flex; align-items: center; gap: 11px; padding: 10px 11px;
  border: 0; background: transparent; border-radius: 10px; color: var(--encre);
  font: inherit; text-align: start; cursor: pointer; width: 100%;
}
.lien-tiroir:hover { background: var(--papier-creux); }
.lien-tiroir.actif { background: var(--or-voile); color: var(--or); font-weight: 600; }
.lien-tiroir .compteur {
  margin-inline-start: auto; background: var(--rouge); color: #fff;
  border-radius: 999px; padding: 1px 7px; font-size: .74rem; font-weight: 700;
}
.tiroir-pied { border-top: 1px solid var(--bord); padding-top: 10px; }
.selecteur-langue { display: flex; gap: 5px; margin-bottom: 8px; }
.puce-langue {
  flex: 1; padding: 7px; border: 1px solid var(--bord); background: transparent;
  border-radius: 8px; font: inherit; font-size: .82rem; cursor: pointer; color: var(--encre-douce);
}
.puce-langue.actif { background: var(--or); border-color: var(--or); color: #fff; font-weight: 600; }
.voile { position: fixed; inset: 0; background: rgba(20,16,12,.42); z-index: 55; }

/* -------------------------------------------------------------- contenu */
.contenu {
  padding: 16px 14px calc(var(--barre-h) + 28px + env(safe-area-inset-bottom));
  max-width: 940px; margin: 0 auto;
}
.contenu.large { max-width: 1240px; }

.carte {
  background: var(--papier-carte); border: 1px solid var(--bord);
  border-radius: var(--rayon); box-shadow: var(--ombre); padding: 15px; margin-bottom: 13px;
}
.carte.serree { padding: 11px; }
.carte-entete { display: flex; align-items: center; gap: 9px; margin-bottom: 11px; }
.carte-entete h2, .carte-entete h3 { margin: 0; flex: 1; }

.grille { display: grid; gap: 13px; }
@media (min-width: 720px) { .grille.deux { grid-template-columns: 1fr 1fr; } }
@media (min-width: 980px) { .grille.trois { grid-template-columns: repeat(3, 1fr); } }

.etiquette {
  display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px;
  border-radius: 999px; font-size: .76rem; font-weight: 600;
  background: var(--papier-creux); color: var(--encre-douce);
  white-space: nowrap; flex: none;
}
.etiquette.or { background: var(--or-voile); color: var(--or); }
.etiquette.vert { background: color-mix(in srgb, var(--vert) 15%, transparent); color: var(--vert); }
.etiquette.rouge { background: color-mix(in srgb, var(--rouge) 15%, transparent); color: var(--rouge); }
.etiquette.bleu { background: color-mix(in srgb, var(--bleu) 15%, transparent); color: var(--bleu); }

.discret { color: var(--encre-douce); }
.minuscule { font-size: .79rem; }
.vide {
  text-align: center; padding: 40px 18px; color: var(--encre-legere);
}
.vide svg { width: 40px; height: 40px; margin-bottom: 10px; opacity: .5; }

.jauge { height: 7px; background: var(--papier-creux); border-radius: 99px; overflow: hidden; }
.jauge span { display: block; height: 100%; background: var(--or); border-radius: 99px; transition: width .3s; }

.avatar {
  width: 34px; height: 34px; border-radius: 50%; flex: none;
  background: var(--or-voile) center/cover no-repeat; color: var(--or);
  display: grid; place-items: center; font-weight: 700; font-size: .82rem;
}
.avatar.grand { width: 52px; height: 52px; font-size: 1.1rem; }
.avatar.petit { width: 26px; height: 26px; font-size: .7rem; }
.point-en-ligne { width: 8px; height: 8px; border-radius: 50%; background: var(--vert); }

.ligne { display: flex; align-items: center; gap: 10px; }
.ligne.espace { justify-content: space-between; }
.colonne { display: flex; flex-direction: column; gap: 10px; }
.bandeau-onglets { display: flex; gap: 4px; overflow-x: auto; padding-bottom: 8px; margin-bottom: 12px; }
.bandeau-onglets button {
  padding: 7px 13px; border-radius: 999px; border: 1px solid var(--bord);
  background: var(--papier-carte); font: inherit; font-size: .87rem;
  white-space: nowrap; cursor: pointer; color: var(--encre-douce);
}
.bandeau-onglets button.actif { background: var(--or); border-color: var(--or); color: #fff; font-weight: 600; }

/* ---------------------------------------------------------- barre basse */
.barre-basse {
  position: fixed; inset-inline: 0; bottom: 0; z-index: 40;
  display: flex; justify-content: space-around; align-items: center;
  height: calc(var(--barre-h) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: color-mix(in srgb, var(--papier) 92%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-top: 1px solid var(--bord);
}
.barre-basse button {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px;
  border: 0; background: transparent; color: var(--encre-legere);
  font: inherit; font-size: .68rem; cursor: pointer; padding: 6px 2px;
}
.barre-basse button.actif { color: var(--or); font-weight: 600; }
@media (min-width: 900px) { .barre-basse { display: none; } .contenu { padding-bottom: 40px; } }

/* ------------------------------------------------------------- messages */
.fil { display: flex; flex-direction: column; gap: 9px; }
.bulle { display: flex; gap: 9px; align-items: flex-start; }
.bulle.moi { flex-direction: row-reverse; }
.bulle-corps {
  background: var(--papier-carte); border: 1px solid var(--bord);
  border-radius: 14px; padding: 8px 12px; max-width: min(78%, 560px);
  box-shadow: var(--ombre); word-break: break-word;
}
.bulle.moi .bulle-corps { background: var(--or-voile); border-color: transparent; }
.bulle-auteur { font-size: .76rem; font-weight: 700; color: var(--or); margin-bottom: 1px; }
.bulle-heure { font-size: .68rem; color: var(--encre-legere); margin-top: 2px; }
.bulle-reponse {
  border-inline-start: 3px solid var(--or); padding-inline-start: 8px;
  font-size: .8rem; color: var(--encre-douce); margin-bottom: 5px;
}
.bulle-citation {
  background: var(--papier-creux); border-radius: 8px; padding: 6px 9px;
  font-family: var(--serif); font-style: italic; font-size: .88rem; margin-bottom: 5px;
}
.zone-saisie {
  position: sticky; bottom: 0; display: flex; gap: 8px; align-items: flex-end;
  padding: 9px 0; background: var(--papier);
}
.zone-saisie textarea {
  flex: 1; resize: none; max-height: 130px; padding: 10px 13px;
  border: 1px solid var(--bord); border-radius: 18px; background: var(--papier-carte);
  color: var(--encre); font: inherit; outline: none;
}

/* -------------------------------------------------------------- lecteur */
.lecteur { position: fixed; inset: 0; z-index: 70; background: var(--papier); display: flex; flex-direction: column; }
.lecteur-entete {
  display: flex; align-items: center; gap: 8px; padding: 8px 10px;
  padding-top: calc(8px + env(safe-area-inset-top));
  border-bottom: 1px solid var(--bord); background: var(--papier-carte);
}
.lecteur-titre { flex: 1; min-width: 0; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lecteur-scene { flex: 1; overflow: auto; background: var(--papier-creux); position: relative; }
.lecteur-page { display: block; margin: 12px auto; box-shadow: var(--ombre); background: #fff; max-width: 100%; }
#zone-epub { background: var(--papier-carte); height: 100%; }
.lecteur-pied {
  display: flex; align-items: center; gap: 10px; padding: 8px 12px;
  padding-bottom: calc(8px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--bord); background: var(--papier-carte);
}
.lecteur-pied input[type="range"] { flex: 1; accent-color: var(--or); }
.selection-flottante {
  position: absolute; z-index: 5; display: flex; gap: 4px; padding: 5px;
  background: var(--papier-carte); border: 1px solid var(--bord);
  border-radius: 11px; box-shadow: var(--ombre-forte);
}
.pastille-couleur { width: 24px; height: 24px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; }
.pastille-couleur.jaune { background: #f2d98b; }
.pastille-couleur.vert  { background: #a9d3a2; }
.pastille-couleur.bleu  { background: #a3c4de; }
.pastille-couleur.rose  { background: #e7b1c2; }

/* --------------------------------------------------------------- seance */
.salle { display: grid; gap: 10px; }
.grille-pairs { display: grid; gap: 9px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.vignette-pair {
  position: relative; aspect-ratio: 4/3; background: var(--papier-creux);
  border-radius: var(--rayon); overflow: hidden; border: 1px solid var(--bord);
  display: grid; place-items: center;
}
.vignette-pair.parle { border-color: var(--vert); box-shadow: 0 0 0 2px color-mix(in srgb, var(--vert) 45%, transparent); }
.vignette-pair video { width: 100%; height: 100%; object-fit: cover; background: #000; }
.vignette-nom {
  position: absolute; inset-inline-start: 7px; inset-block-end: 7px;
  background: rgba(0,0,0,.55); color: #fff; padding: 2px 8px;
  border-radius: 999px; font-size: .74rem; display: flex; align-items: center; gap: 5px;
}
.vignette-etat { position: absolute; inset-inline-end: 7px; inset-block-start: 7px; display: flex; gap: 4px; }
.vignette-etat span {
  background: rgba(0,0,0,.55); color: #fff; width: 24px; height: 24px;
  border-radius: 50%; display: grid; place-items: center;
}
.commandes-appel {
  display: flex; gap: 8px; justify-content: center; flex-wrap: wrap;
  padding: 11px; background: var(--papier-carte); border: 1px solid var(--bord);
  border-radius: var(--rayon); position: sticky; bottom: calc(var(--barre-h) + 8px);
}
.commande {
  width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--bord);
  background: var(--papier); color: var(--encre); display: grid; place-items: center; cursor: pointer;
}
.commande.actif { background: var(--or); border-color: var(--or); color: #fff; }
.commande.raccrocher { background: var(--rouge); border-color: var(--rouge); color: #fff; }
.transcription { max-height: 300px; overflow-y: auto; display: flex; flex-direction: column; gap: 7px; }
.segment { padding: 7px 10px; background: var(--papier-creux); border-radius: 10px; }
.segment b { color: var(--or); font-size: .8rem; }

/* --------------------------------------------------------------- modale */
.modale {
  position: fixed; inset: 0; z-index: 80; display: grid; place-items: center;
  padding: 16px; background: rgba(20,16,12,.5);
}
.modale-boite {
  background: var(--papier-carte); border-radius: 18px; box-shadow: var(--ombre-forte);
  width: 100%; max-width: 520px; max-height: 88dvh; overflow-y: auto; padding: 18px;
}
.modale-boite.large { max-width: 820px; }
.modale-entete { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.modale-entete h2 { flex: 1; margin: 0; }
.modale-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }

/* --------------------------------------------------------------- panneau */
.panneau {
  position: fixed; inset-block-start: calc(var(--entete-h) + env(safe-area-inset-top));
  inset-inline-end: 8px; z-index: 50; width: min(370px, calc(100vw - 16px));
  max-height: 68dvh; overflow-y: auto; background: var(--papier-carte);
  border: 1px solid var(--bord); border-radius: var(--rayon); box-shadow: var(--ombre-forte); padding: 8px;
}
.notification-ligne { padding: 9px 10px; border-radius: 10px; cursor: pointer; }
.notification-ligne:hover { background: var(--papier-creux); }
.notification-ligne.non-lue { background: var(--or-voile); }

/* --------------------------------------------------- messages fugaces */
.messages-fugaces {
  position: fixed; inset-block-end: calc(var(--barre-h) + 14px); inset-inline: 0;
  z-index: 95; display: flex; flex-direction: column; align-items: center; gap: 7px;
  pointer-events: none; padding: 0 14px;
}
.fugace {
  background: var(--encre); color: var(--papier); padding: 10px 16px;
  border-radius: 999px; box-shadow: var(--ombre-forte); font-size: .89rem;
  max-width: 100%; animation: monte .22s ease;
}
.fugace.erreur { background: var(--rouge); color: #fff; }
.fugace.succes { background: var(--vert); color: #fff; }
@keyframes monte { from { opacity: 0; transform: translateY(9px); } }

/* ------------------------------------------------------------ citations */
.citation {
  border-inline-start: 3px solid var(--or); padding: 9px 13px;
  font-family: var(--serif); font-size: 1.02rem; font-style: italic;
  background: var(--papier-creux); border-radius: 0 var(--rayon) var(--rayon) 0;
}
html[dir="rtl"] .citation { border-radius: var(--rayon) 0 0 var(--rayon); }

.livre-vignette {
  width: 58px; height: 84px; border-radius: 6px; flex: none; object-fit: cover;
  background: var(--or-voile) center/cover no-repeat; border: 1px solid var(--bord);
  display: grid; place-items: center; color: var(--or);
}

.option-vote {
  display: flex; align-items: center; gap: 10px; padding: 10px;
  border: 1px solid var(--bord); border-radius: var(--rayon-petit);
  cursor: pointer; margin-bottom: 7px; position: relative; overflow: hidden;
}
.option-vote .remplissage {
  position: absolute; inset-block: 0; inset-inline-start: 0;
  background: var(--or-voile); z-index: 0; transition: width .35s;
}
.option-vote > * { position: relative; z-index: 1; }
.option-vote.choisi { border-color: var(--or); }

.desactive { opacity: .55; pointer-events: none; }
.chargement-ligne { display: inline-block; width: 15px; height: 15px; border: 2px solid var(--bord);
  border-top-color: var(--or); border-radius: 50%; animation: tourne .7s linear infinite; }
@keyframes tourne { to { transform: rotate(360deg); } }

.texte-ia { white-space: pre-wrap; line-height: 1.66; }
.texte-ia h3 { margin-top: 1rem; }

@media (min-width: 900px) {
  .tiroir { transform: none; position: sticky; top: 0; height: 100dvh; }
  .voile { display: none !important; }
  #application { display: grid; grid-template-columns: 274px 1fr; }
  #application > .entete { grid-column: 1 / -1; }
  #ouvrir-menu { display: none; }
}