/* Curiolibris — encre, papier, bleu Bic.
   Signature : la « tranche » — chaque card porte la couleur de sa catégorie sur son bord gauche,
   et la nav des catégories est un rayon de dos de livres. */

:root {
  --encre: #23262B;
  --papier: #FAF8F4;
  --blanc: #FFFFFF;
  --bic: #2B44AE;
  --bic-fonce: #1E3180;
  --marge: #E8E3D8;
  --gris: #6E6A61;
  --ok: #3D7B5F;
  --err: #B03A2E;
  --tranche: #8B8577; /* surchargée par catégorie */
  --f-display: "Young Serif", Georgia, serif;
  --f-body: "Public Sans", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
body {
  margin: 0; background: var(--papier); color: var(--encre);
  font-family: var(--f-body); font-size: 1rem; line-height: 1.55;
}
h1, h2, h3 { font-family: var(--f-display); font-weight: 400; line-height: 1.15; }
h1 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin: .4em 0 .5em; }
h2 { font-size: clamp(1.2rem, 2.4vw, 1.6rem); margin: 1.6em 0 .6em; }
h2 a { color: inherit; text-decoration: none; }
h2 a:hover { color: var(--bic); }
a { color: var(--bic); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--bic); outline-offset: 2px;
}
main { max-width: 1160px; margin: 0 auto; padding: 0 1rem 4rem; }
.page-etroite { max-width: 720px; margin: 0 auto; }
.page-large { max-width: 1160px; }
.meta { color: var(--gris); font-size: .85rem; }
.prix { font-family: var(--f-mono); font-size: .95em; white-space: nowrap; }
code { font-family: var(--f-mono); background: var(--marge); padding: 0 .3em; border-radius: 3px; font-size: .85em; }

/* ---- Bannière promo ---- */
.banniere {
  display: block; text-align: center; padding: .55rem 1rem;
  background: var(--bic) center/cover no-repeat; color: #fff;
  font-family: var(--f-mono); font-size: .85rem; text-decoration: none; letter-spacing: .02em;
}
.banniere:hover { background-color: var(--bic-fonce); }

/* ---- En-tête ---- */
.entete {
  display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap;
  max-width: 1160px; margin: 0 auto; padding: 1rem;
}
.logo { font-family: var(--f-display); font-size: 1.7rem; color: var(--encre); text-decoration: none; }
.logo img { max-height: 44px; display: block; }
.recherche { flex: 1 1 260px; display: flex; min-width: 220px; }
.recherche input {
  flex: 1; border: 1.5px solid var(--encre); border-right: 0; border-radius: 5px 0 0 5px;
  padding: .5rem .8rem; font: inherit; background: var(--blanc);
}
.recherche button {
  border: 1.5px solid var(--encre); border-radius: 0 5px 5px 0; background: var(--encre);
  color: var(--papier); font: inherit; padding: .5rem 1rem; cursor: pointer;
}
.recherche button:hover { background: var(--bic); border-color: var(--bic); }
.nav-compte { display: flex; align-items: center; gap: 1rem; font-size: .9rem; flex-wrap: wrap; }
.nav-compte a { color: var(--encre); text-decoration: none; }
.nav-compte a:hover { color: var(--bic); }
.panier-lien { font-weight: 600; }
.badge {
  background: var(--bic); color: #fff; border-radius: 10px; padding: 0 .45em;
  font-family: var(--f-mono); font-size: .8rem;
}

/* ---- Le rayon (nav catégories = dos de livres) ---- */
.rayon {
  display: flex; gap: 4px; overflow-x: auto; padding: 0 1rem .2rem;
  max-width: 1160px; margin: 0 auto 1.5rem;
  border-bottom: 3px solid var(--encre); /* l'étagère */
}
.dos {
  flex: 0 0 auto; background: var(--tranche); color: #fff; text-decoration: none;
  padding: .8rem .6rem; font-size: .8rem; font-weight: 600; letter-spacing: .04em;
  writing-mode: initial; border-radius: 3px 3px 0 0;
  transform: translateY(6px); transition: transform .15s ease;
}
.dos:hover, .dos:focus-visible { transform: translateY(0); }
@media (min-width: 720px) { .dos { padding: 1rem .7rem; font-size: .82rem; } }

/* ---- Cards produit : la tranche ---- */
.grille {
  display: grid; gap: 1.2rem;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
}
.card {
  position: relative; background: var(--blanc); border: 1px solid var(--marge);
  border-left: 6px solid var(--tranche); border-radius: 4px;
  display: flex; flex-direction: column;
  transition: transform .15s ease, box-shadow .15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 6px 18px rgba(35, 38, 43, .09); }
.card-lien { color: inherit; text-decoration: none; display: block; padding: .9rem .9rem .3rem; flex: 1; }
.card h3 { margin: .6rem 0 .2rem; font-size: 1.02rem; }
.card-desc { margin: 0; font-size: .84rem; color: var(--gris); }
.card-pied { display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding: .6rem .9rem .9rem; }
.couv {
  position: relative; aspect-ratio: 3 / 4; border-radius: 3px; overflow: hidden;
  background: linear-gradient(160deg, color-mix(in srgb, var(--tranche) 88%, #fff) 0%, var(--tranche) 100%);
  display: flex; align-items: center; justify-content: center;
}
.couv img { width: 100%; height: 100%; object-fit: contain; background: #fff; display: block; }
.couv-titre {
  font-family: var(--f-display); color: #fff; text-align: center;
  padding: 1rem; font-size: 1.05rem; text-wrap: balance;
}
.label {
  position: static; display: inline-block; font-family: var(--f-mono); font-size: .68rem;
  padding: .1em .5em; border-radius: 3px; margin-right: .3em; letter-spacing: .03em;
}
.couv .label { position: absolute; top: .5rem; left: .5rem; }
.couv .label + .label { top: 2rem; }
.label-promo { background: var(--err); color: #fff; }
.label-nouveau { background: var(--bic); color: #fff; }
.label-populaire { background: var(--encre); color: var(--papier); }
.label-precommande { background: #fff; color: var(--encre); border: 1px solid var(--encre); }
.epuise { font-family: var(--f-mono); font-size: .8rem; color: var(--err); }
s { color: var(--gris); font-weight: 400; margin-right: .2em; }

/* ---- Boutons & formulaires ---- */
.btn {
  display: inline-block; background: var(--bic); color: #fff; border: 1.5px solid var(--bic);
  border-radius: 5px; padding: .55rem 1.1rem; font: inherit; font-weight: 600;
  text-decoration: none; cursor: pointer;
}
.btn:hover { background: var(--bic-fonce); border-color: var(--bic-fonce); }
.btn-secondaire { background: transparent; color: var(--encre); border-color: var(--encre); }
.btn-secondaire:hover { background: var(--encre); color: var(--papier); }
.btn-petit { padding: .3rem .7rem; font-size: .84rem; }
.lien-bouton { background: none; border: 0; color: var(--bic); cursor: pointer; font: inherit; text-decoration: underline; padding: 0; }
.form { display: flex; flex-direction: column; gap: .9rem; margin: 1rem 0; }
.form label, .ligne-promo label { display: flex; flex-direction: column; gap: .25rem; font-size: .9rem; font-weight: 600; }
.form input, .form select, .form textarea, .ligne-promo input, .ligne-promo select,
.tableau input, td select {
  font: inherit; font-weight: 400; padding: .5rem .7rem; border: 1.5px solid var(--marge);
  border-radius: 5px; background: var(--blanc); max-width: 100%;
}
.form input:focus, .form textarea:focus, .form select:focus { border-color: var(--bic); }
.case { flex-direction: row !important; align-items: center; gap: .5rem !important; }
.deux-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { .deux-cols { grid-template-columns: 1fr; } }
fieldset { border: 1.5px solid var(--marge); border-radius: 5px; }
legend { font-weight: 600; font-size: .9rem; padding: 0 .4em; }

/* ---- Tableaux ---- */
.tableau { width: 100%; border-collapse: collapse; margin: 1rem 0; background: var(--blanc); font-size: .92rem; }
.tableau th, .tableau td { text-align: left; padding: .55rem .7rem; border-bottom: 1px solid var(--marge); vertical-align: middle; }
.tableau th { font-family: var(--f-mono); font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; color: var(--gris); }
.tableau .inactif td, tr.inactif td { opacity: .5; }
.tableau input[type="number"] { width: 4.5rem; }

/* ---- Récap, statuts, flash ---- */
.recap { background: var(--blanc); border: 1px solid var(--marge); border-radius: 5px; padding: 1rem 1.2rem; margin: 1.2rem 0; }
.recap p { display: flex; justify-content: space-between; margin: .3rem 0; gap: 1rem; }
.recap .total { border-top: 2px solid var(--encre); padding-top: .6rem; font-weight: 700; }
.statut { font-family: var(--f-mono); font-size: .72rem; padding: .12em .5em; border-radius: 3px; background: var(--marge); }
.statut-payee, .statut-approuve, .statut-retour_accepte { background: var(--ok); color: #fff; }
.statut-en_attente, .statut-ouvert { background: #E0A526; color: var(--encre); }
.statut-annulee, .statut-rejete, .statut-retour_refuse { background: var(--err); color: #fff; }
.statut-expediee { background: var(--bic); color: #fff; }
.statut-remboursee, .statut-rembourse, .statut-clos { background: var(--encre); color: var(--papier); }
.flash { max-width: 1160px; margin: .6rem auto; padding: .6rem 1rem; border-radius: 5px; border: 1.5px solid var(--ok); background: color-mix(in srgb, var(--ok) 10%, #fff); }
.flash-err { border-color: var(--err); background: color-mix(in srgb, var(--err) 8%, #fff); }

/* ---- Accueil ---- */
.hero { max-width: 780px; margin: 1.5rem auto 2.5rem; text-align: center; }
.hero h1 { font-size: clamp(1.7rem, 4.2vw, 2.7rem); }
.hero-sous { color: var(--gris); font-size: 1.05rem; }
.tranche-section { margin: 2.5rem 0; }
.marques, .billets { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.marque-carte, .billet-carte {
  background: var(--blanc); border: 1px solid var(--marge); border-radius: 4px;
  padding: 1rem; text-decoration: none; color: inherit; display: flex; flex-direction: column; gap: .3rem;
}
.marque-carte:hover strong, .billet-carte:hover strong { color: var(--bic); }
.marque-carte strong { font-family: var(--f-display); font-size: 1.1rem; }
.billet-carte img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 3px; }

/* ---- Fiche produit ---- */
.fiche { display: grid; gap: 2rem; grid-template-columns: minmax(220px, 340px) 1fr; margin-top: 1rem; }
@media (max-width: 720px) { .fiche { grid-template-columns: 1fr; } }
.fiche-couv { border-left: 8px solid var(--tranche); border-radius: 4px; }
.fil { font-size: .85rem; }
.prix-grand { font-size: 1.3rem; }
.fiche-achat { display: flex; align-items: flex-end; gap: 1rem; margin: 1rem 0; }
.fiche-achat label { display: flex; flex-direction: column; font-size: .85rem; font-weight: 600; gap: .25rem; }
.fiche-achat input { width: 4.5rem; padding: .5rem; border: 1.5px solid var(--marge); border-radius: 5px; font: inherit; }
.fiche-section { border-top: 1px solid var(--marge); margin-top: 1.4rem; }
.avis { border-left: 4px solid var(--marge); padding: .2rem 0 .2rem 1rem; margin: 1rem 0; }
.etoiles { color: var(--bic); letter-spacing: .1em; }
.form-avis { max-width: 560px; }

/* ---- Panier / commandes / tickets ---- */
.ligne-promo { display: flex; align-items: flex-end; gap: .8rem; margin: 1rem 0; flex-wrap: wrap; }
.ligne-commande { display: flex; align-items: center; gap: .8rem; flex-wrap: wrap; padding: .7rem 0; border-bottom: 1px solid var(--marge); }
.colis { background: var(--blanc); border: 1px solid var(--marge); border-left: 6px solid var(--encre); border-radius: 4px; padding: 1rem 1.2rem; margin: 1rem 0; }
.colis h2 { margin: 0 0 .5rem; font-size: 1.15rem; }
.fil-messages { margin: 1.2rem 0; display: flex; flex-direction: column; gap: .8rem; }
.message { background: var(--blanc); border: 1px solid var(--marge); border-radius: 5px; padding: .7rem 1rem; max-width: 85%; }
.message-client { align-self: flex-end; border-left: 4px solid var(--bic); }
.message-vendeur { align-self: flex-start; border-left: 4px solid var(--encre); }
.message-admin { align-self: center; border: 1.5px dashed var(--bic); max-width: 100%; }

/* ---- Tableaux de bord ---- */
.onglets { display: flex; gap: .2rem; flex-wrap: wrap; border-bottom: 2px solid var(--encre); margin: 1rem 0 1.5rem; }
.onglets a { padding: .5rem .9rem; text-decoration: none; color: var(--encre); font-size: .9rem; border-radius: 4px 4px 0 0; }
.onglets a.actif { background: var(--encre); color: var(--papier); }
.onglets a:hover:not(.actif) { background: var(--marge); }
.cartes-stats { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); margin: 1rem 0 2rem; }
.carte-stat { background: var(--blanc); border: 1px solid var(--marge); border-top: 4px solid var(--bic); border-radius: 4px; padding: 1rem; display: flex; flex-direction: column; gap: .3rem; font-size: .82rem; color: var(--gris); }
.carte-stat .chiffre { font-family: var(--f-mono); font-size: 1.4rem; color: var(--encre); }
.bloc-form { background: var(--blanc); border: 1px solid var(--marge); border-radius: 5px; padding: .8rem 1.2rem; margin: 1rem 0; }
.bloc-form summary { cursor: pointer; font-weight: 600; }
.ligne-inline { display: inline-flex; align-items: center; gap: .4rem; }
.pastille { display: inline-block; width: 1em; height: 1em; border-radius: 3px; vertical-align: -2px; }

/* ---- Blog ---- */
.billet-article .billet-image { width: 100%; border-radius: 5px; margin: 1rem 0; }
.billet-contenu { font-size: 1.03rem; }

/* ---- Divers ---- */
.chargement { text-align: center; font-family: var(--f-mono); color: var(--gris); padding: 1.5rem; }
.pied { border-top: 3px solid var(--encre); margin-top: 3rem; padding: 1.5rem 1rem 2.5rem; text-align: center; font-size: .88rem; color: var(--gris); }
.cookies {
  position: fixed; bottom: 1rem; left: 1rem; right: 1rem; max-width: 560px; margin: 0 auto;
  background: var(--encre); color: var(--papier); border-radius: 6px; padding: 1rem 1.2rem;
  font-size: .86rem; z-index: 50; box-shadow: 0 8px 30px rgba(0,0,0,.25);
}
.cookies form { display: flex; gap: .6rem; margin-top: .5rem; }
.cookies .btn-secondaire { color: var(--papier); border-color: var(--papier); }
.placeholder-cards { background: repeating-linear-gradient(90deg, var(--marge) 0 6px, transparent 6px 14px); border-radius: 4px; opacity: .35; }

@media print {
  .entete, .rayon, .pied, .banniere, .cookies, .no-print, .flash { display: none !important; }
  body { background: #fff; }
  .facture { max-width: none; }
}