*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Nunito',sans-serif;background:#f4f7f5;color:#1a1a1a;min-height:100vh}
:root{
  --vert-fonce:#0a3d20;--vert-moyen:#0f6e3a;--vert-clair:#e8f4ee;--vert-bord:#b8dcc7;
  --vert-bg:#f2f8f4;--mono:'Courier Prime',monospace;--gris-bord:#dde8e0;
  --texte-sec:#444;--blanc:#fff;--jaune-bg:#fef9e7;--jaune-bord:#f0cc8a;--jaune-texte:#7a5c00;
}
.cos-wrap{max-width:860px;margin:0 auto;padding:2rem 1.2rem 4rem}

/* HEADER */
.cos-eyebrow{font-family:var(--mono);font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.14em;color:var(--vert-moyen);margin-bottom:0.7rem;display:flex;align-items:center;gap:0.5rem}
.cos-eyebrow::before{content:'';display:inline-block;width:18px;height:2px;background:var(--vert-moyen)}
.cos-titre{font-size:1.9rem;font-weight:800;color:var(--vert-fonce);line-height:1.2;margin-bottom:0.6rem;letter-spacing:-0.02em}
.cos-titre em{color:var(--vert-moyen);font-style:italic}
.cos-sous-titre{font-size:1rem;color:var(--texte-sec);line-height:1.75;max-width:600px;margin-bottom:1.8rem}

/* NOTICE */
.cos-notice{display:flex;align-items:flex-start;gap:0.75rem;background:var(--jaune-bg);border:1px solid var(--jaune-bord);border-left:3px solid #c9a227;border-radius:6px;padding:0.85rem 1rem;margin-bottom:1.6rem;font-size:0.88rem;color:var(--jaune-texte);line-height:1.6}

/* RÉSULTATS */
.cos-resultats{background:var(--vert-fonce);border-radius:10px;padding:1.8rem 2rem;margin-bottom:1.6rem;color:#fff}
.cos-res-label{font-family:var(--mono);font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.14em;color:#7ec99a;margin-bottom:0.8rem}
.cos-res-chiffre{font-size:2.6rem;font-weight:800;color:#fff;letter-spacing:-0.03em;line-height:1}
.cos-res-chiffre span{font-size:1.1rem;font-weight:600;margin-left:2px;opacity:0.7}
.cos-res-secondaire{font-size:0.95rem;color:#9dd6b4;margin-top:0.3rem}
.cos-res-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;margin-top:1.4rem}

/* Card neutre (coût actuel) */
.cos-res-card{background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.14);border-radius:8px;padding:1rem 1.1rem}
.cos-res-card-label{font-family:var(--mono);font-size:0.68rem;text-transform:uppercase;letter-spacing:0.1em;color:#7ec99a;margin-bottom:5px}
.cos-res-card-val{font-size:1.2rem;font-weight:800;color:#fff}
.cos-res-card-sub{font-size:0.78rem;color:rgba(255,255,255,0.55);margin-top:3px}

/* Card open source — mise en avant */
.cos-res-card.open{background:rgba(15,110,58,0.45);border:1.5px solid #4ec97a}
.cos-res-card.open .cos-res-card-label{color:#a8f0c0}
.cos-res-card.open .cos-res-card-val{font-size:1.35rem;color:#d4fce6}
.cos-res-card.open .cos-res-card-sub{color:rgba(212,252,230,0.7)}

/* Card économie — forte mise en avant */
.cos-res-card.eco{background:#ffffff;border:2px solid #4ec97a}
.cos-res-card.eco .cos-res-card-label{color:var(--vert-moyen)}
.cos-res-card.eco .cos-res-card-val{font-size:1.45rem;color:var(--vert-fonce);font-weight:800}
.cos-res-card.eco .cos-res-card-sub{color:var(--vert-moyen);font-weight:700}

.cos-res-vide{text-align:center;padding:1rem 0;color:rgba(255,255,255,0.5);font-size:0.93rem}

/* CONFIGURATEUR */
.cos-config{background:var(--blanc);border:1px solid var(--gris-bord);border-radius:10px;padding:1.6rem 1.8rem;margin-bottom:1.6rem}
.cos-section-label{font-family:var(--mono);font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.12em;color:var(--vert-moyen);margin-bottom:1rem;padding-bottom:5px;border-bottom:1px solid var(--gris-bord)}
.cos-users-row{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.cos-users-label{font-weight:700;font-size:0.95rem;color:var(--vert-fonce);white-space:nowrap}
.cos-users-ctrl{display:flex;align-items:center;gap:0.5rem}
.cos-btn-ud{width:34px;height:34px;border-radius:5px;border:1.5px solid var(--vert-bord);background:var(--vert-clair);color:var(--vert-fonce);font-size:1.1rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}
.cos-btn-ud:hover{background:#c8e8d8}
.cos-users-val{font-family:var(--mono);font-size:1.4rem;font-weight:700;color:var(--vert-fonce);min-width:48px;text-align:center}
.cos-users-hint{font-size:0.82rem;color:#888;font-family:var(--mono)}

/* COUPLES */
.cos-couples{display:flex;flex-direction:column;gap:0.7rem;margin-top:1.2rem}
.cos-couple-wrap{display:flex;flex-direction:column}

/* Ligne propriétaire */
.cos-couple{display:grid;grid-template-columns:24px 1fr auto;gap:0.75rem;align-items:start;background:var(--vert-bg);border:1.5px solid var(--gris-bord);border-radius:8px;padding:0.85rem 1rem;cursor:pointer;transition:border-color .15s,background .15s;user-select:none}
.cos-couple:hover{border-color:var(--vert-moyen)}
.cos-couple.actif{background:#edf7f2;border-color:var(--vert-moyen);border-radius:8px 8px 0 0;border-bottom-color:var(--vert-bord)}
.cos-couple-check{width:20px;height:20px;border-radius:4px;border:2px solid var(--vert-bord);background:var(--blanc);display:flex;align-items:center;justify-content:center;transition:all .15s;font-size:0.8rem;color:transparent;margin-top:2px;flex-shrink:0}
.cos-couple.actif .cos-couple-check{background:var(--vert-moyen);border-color:var(--vert-moyen);color:#fff}
.cos-couple-body{}
.cos-couple-nom{font-weight:800;font-size:0.95rem;color:var(--vert-fonce);line-height:1.3}
.cos-couple-formule{font-size:0.8rem;font-weight:600;color:#888;margin-top:1px}
.cos-hausse-badge{font-family:var(--mono);font-size:0.67rem;background:var(--jaune-bg);color:var(--jaune-texte);border:1px solid var(--jaune-bord);border-radius:3px;padding:1px 6px;margin-left:5px;white-space:nowrap;display:inline-block;vertical-align:middle}

/* Bandeau alternative open source */
.cos-alt-banner{display:flex;align-items:center;gap:0.6rem;background:#d4f0e0;border:1.5px solid var(--vert-bord);border-top:none;padding:0.55rem 1rem;flex-wrap:wrap}
.cos-alt-banner-tag{font-family:var(--mono);font-size:0.67rem;font-weight:700;text-transform:uppercase;letter-spacing:0.1em;color:var(--blanc);background:var(--vert-moyen);border-radius:3px;padding:2px 7px;flex-shrink:0;white-space:nowrap}
.cos-alt-banner-label{font-size:0.85rem;font-weight:700;color:var(--vert-fonce);flex:1}
.cos-alt-banner-zero{font-family:var(--mono);font-size:0.85rem;font-weight:800;color:var(--vert-moyen);white-space:nowrap}

/* Panneau choix alternatives (si > 1) */
.cos-alts{background:#f0faf4;border:1.5px solid var(--vert-bord);border-top:none;border-radius:0 0 8px 8px;padding:0.8rem 1rem}
.cos-alts-titre{font-family:var(--mono);font-size:0.67rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--vert-moyen);margin-bottom:0.6rem;padding-bottom:4px;border-bottom:1px solid var(--vert-bord)}
.cos-alt-option{display:flex;align-items:flex-start;gap:0.55rem;padding:0.5rem 0.6rem;border-radius:5px;cursor:pointer;transition:background .12s}
.cos-alt-option:hover{background:rgba(15,110,58,0.07)}
.cos-alt-option input[type=radio]{accent-color:var(--vert-moyen);margin-top:3px;flex-shrink:0}
.cos-alt-text{flex:1;min-width:0}
.cos-alt-nom{font-size:0.87rem;font-weight:700;color:var(--vert-fonce)}
.cos-alt-desc{font-size:0.78rem;color:#666;margin-top:1px;line-height:1.4}
.cos-alt-prix{font-family:var(--mono);font-size:0.83rem;font-weight:800;color:var(--vert-moyen);white-space:nowrap;flex-shrink:0;padding-left:0.5rem;margin-top:2px}
.cos-alt-prix.payant{color:var(--vert-fonce)}
.cos-alt-prix-note{font-size:0.7rem;color:#888;display:block;font-weight:400;margin-top:1px;text-align:right}

/* DÉTAIL */
.cos-detail{background:var(--blanc);border:1px solid var(--gris-bord);border-radius:10px;padding:1.4rem 1.6rem;margin-bottom:1.6rem}
.cos-detail-lignes{display:flex;flex-direction:column;gap:0.5rem;margin-top:1rem}
.cos-detail-ligne{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:0.65rem 0.9rem;border-radius:6px;background:var(--vert-bg);font-size:0.88rem;flex-wrap:wrap}
.cos-dl-transition{display:flex;align-items:center;gap:0;flex:1;min-width:0;flex-wrap:wrap;gap:0.3rem}
.cos-dl-prop{font-weight:800;color:var(--vert-fonce);white-space:nowrap}
.cos-dl-fleche{font-family:var(--mono);color:var(--vert-moyen);font-weight:700;margin:0 0.4rem;flex-shrink:0}
.cos-dl-open{font-weight:600;color:var(--vert-moyen);font-size:0.86rem}
.cos-dl-eco{font-family:var(--mono);font-weight:800;color:var(--vert-fonce);font-size:0.92rem;white-space:nowrap;flex-shrink:0}

/* DON */
.cos-don{background:var(--vert-bg);border:1px solid var(--vert-bord);border-left:4px solid var(--vert-moyen);border-radius:8px;padding:1.4rem 1.6rem;display:flex;align-items:center;gap:1.2rem;flex-wrap:wrap}
.cos-don-texte{flex:1;min-width:220px}
.cos-don-texte h3{font-size:0.98rem;font-weight:800;color:var(--vert-fonce);margin-bottom:0.3rem}
.cos-don-texte p{font-size:0.87rem;color:var(--texte-sec);line-height:1.6}
.cos-btn-don{background:var(--vert-moyen);color:#fff;border:none;border-radius:5px;padding:0.65rem 1.3rem;font-family:'Nunito',sans-serif;font-size:0.9rem;font-weight:700;cursor:pointer;text-decoration:none;display:inline-block;white-space:nowrap;transition:background .15s}
.cos-btn-don:hover{background:#0c5830}

/* FOOTER */
.cos-footer-note{font-family:var(--mono);font-size:0.74rem;color:#888;margin-top:1.4rem;line-height:1.7;text-align:center}
.cos-footer-note a{color:var(--vert-moyen);text-decoration:none}

/* BOUTON FLOTTANT RETOUR INDEX */
.cos-btn-retour{
  position:fixed;
  bottom:1.6rem;
  right:1.4rem;
  display:flex;
  align-items:center;
  gap:0.5rem;
  background:var(--vert-fonce);
  color:#fff;
  text-decoration:none;
  font-family:'Nunito',sans-serif;
  font-size:0.82rem;
  font-weight:700;
  padding:0.55rem 0.9rem 0.55rem 0.75rem;
  border-radius:50px;
  box-shadow:0 3px 12px rgba(10,61,32,0.28);
  transition:background .18s, box-shadow .18s, transform .15s;
  z-index:100;
  white-space:nowrap;
}
.cos-btn-retour:hover{
  background:var(--vert-moyen);
  box-shadow:0 5px 18px rgba(10,61,32,0.38);
  transform:translateY(-1px);
}
.cos-btn-retour svg{
  flex-shrink:0;
  opacity:0.85;
}

@media(max-width:600px){
  .cos-titre{font-size:1.5rem}
  .cos-res-grid{grid-template-columns:1fr 1fr}
  .cos-res-card.eco{grid-column:1/-1}
  .cos-detail-ligne{grid-template-columns:1fr 1fr;gap:0.4rem}
  .cos-dl-actuel,.cos-dl-open{display:none}
  .cos-don{flex-direction:column}
  .cos-wrap{padding:1.2rem 0.9rem 3rem}
  .cos-btn-retour{bottom:1rem;right:1rem;font-size:0.78rem;padding:0.5rem 0.8rem 0.5rem 0.65rem}
}

/* ═══════════════════════════════════════════
   SÉLECTEUR DE DISTRIBUTION LINUX
   Classes spécifiques — cos-quiz-*
   ═══════════════════════════════════════════ */

/* Barre de progression */
.cos-quiz-progress{margin-bottom:1.8rem}
.cos-quiz-progress-label{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:0.5rem}
.cos-quiz-progress-texte{font-family:var(--mono);font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.12em;color:var(--vert-moyen)}
.cos-quiz-progress-num{font-family:var(--mono);font-size:0.72rem;color:#aaa}
.cos-quiz-progress-bar{height:4px;background:var(--gris-bord);border-radius:2px;overflow:hidden}
.cos-quiz-progress-fill{height:100%;background:var(--vert-moyen);border-radius:2px;transition:width .4s ease}

/* Carte de question */
.cos-quiz-carte{background:var(--blanc);border:1px solid var(--gris-bord);border-radius:10px;padding:1.8rem 2rem;margin-bottom:1.4rem;animation:cos-fadein .25s ease}
@keyframes cos-fadein{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.cos-quiz-question{font-size:1.25rem;font-weight:800;color:var(--vert-fonce);line-height:1.35;margin-bottom:1.4rem;letter-spacing:-0.01em}

/* Options de réponse */
.cos-quiz-options{display:flex;flex-direction:column;gap:0.6rem}
.cos-quiz-option{display:flex;align-items:center;gap:0.9rem;padding:0.9rem 1.1rem;border:1.5px solid var(--gris-bord);border-radius:8px;cursor:pointer;transition:border-color .15s,background .15s;background:var(--vert-bg);user-select:none}
.cos-quiz-option:hover{border-color:var(--vert-moyen);background:#edf7f2}
.cos-quiz-option-emoji{font-size:1.3rem;flex-shrink:0;width:28px;text-align:center}
.cos-quiz-option-texte{font-size:0.95rem;font-weight:700;color:var(--vert-fonce);line-height:1.3}

/* Navigation quiz */
.cos-quiz-nav{display:flex;align-items:center;justify-content:space-between;margin-top:0.4rem}
.cos-quiz-btn-retour{background:none;border:1.5px solid var(--gris-bord);border-radius:6px;padding:0.55rem 1rem;font-family:'Nunito',sans-serif;font-size:0.85rem;font-weight:700;color:#888;cursor:pointer;transition:border-color .15s,color .15s}
.cos-quiz-btn-retour:hover{border-color:var(--vert-moyen);color:var(--vert-fonce)}
.cos-quiz-btn-retour:disabled{opacity:0.3;cursor:default}
.cos-quiz-hint{font-family:var(--mono);font-size:0.72rem;color:#aaa;text-align:center}

/* ── PAGE DE RÉSULTAT ── */
.cos-resultat-bloc{animation:cos-fadein .3s ease}

/* Bandeau principal */
.cos-resultat-header{background:var(--vert-fonce);border-radius:10px;padding:1.8rem 2rem;margin-bottom:1.2rem;color:#fff}
.cos-resultat-eyebrow{font-family:var(--mono);font-size:0.68rem;font-weight:700;text-transform:uppercase;letter-spacing:0.14em;color:#7ec99a;margin-bottom:0.6rem}
.cos-resultat-nom{font-size:2rem;font-weight:800;letter-spacing:-0.02em;line-height:1.1;margin-bottom:0.4rem}
.cos-resultat-baseline{font-size:0.95rem;color:#9dd6b4;line-height:1.6;max-width:520px}

/* Tags caractéristiques */
.cos-resultat-tags{display:flex;flex-wrap:wrap;gap:0.5rem;margin-top:1rem}
.cos-resultat-tag{font-family:var(--mono);font-size:0.68rem;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);border-radius:3px;padding:3px 8px;color:#d4fce6}

/* Bloc "pourquoi cette distro" */
.cos-resultat-pourquoi{background:var(--vert-clair);border:1px solid var(--vert-bord);border-left:4px solid var(--vert-moyen);border-radius:8px;padding:1.1rem 1.3rem;margin-bottom:1.2rem}
.cos-resultat-pourquoi-label{font-family:var(--mono);font-size:0.67rem;font-weight:700;text-transform:uppercase;letter-spacing:0.1em;color:var(--vert-moyen);margin-bottom:0.5rem}
.cos-resultat-pourquoi-texte{font-size:0.92rem;color:var(--vert-fonce);line-height:1.7}

/* Alternative */
.cos-resultat-alt{background:var(--blanc);border:1px solid var(--gris-bord);border-radius:8px;padding:1rem 1.3rem;margin-bottom:1.2rem;display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.cos-resultat-alt-label{font-family:var(--mono);font-size:0.67rem;font-weight:700;text-transform:uppercase;letter-spacing:0.1em;color:#aaa;flex-shrink:0}
.cos-resultat-alt-nom{font-size:0.95rem;font-weight:800;color:var(--vert-fonce);flex:1}
.cos-resultat-alt-desc{font-size:0.82rem;color:var(--texte-sec);width:100%;margin-top:0.2rem;line-height:1.5}

/* Accompagnement 3 niveaux */
.cos-accompagnement{background:var(--blanc);border:1px solid var(--gris-bord);border-radius:10px;padding:1.4rem 1.6rem;margin-bottom:1.4rem}
.cos-accompagnement-titre{font-family:var(--mono);font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.12em;color:var(--vert-moyen);margin-bottom:1rem;padding-bottom:5px;border-bottom:1px solid var(--gris-bord)}
.cos-accompagnement-items{display:flex;flex-direction:column;gap:0.6rem}
.cos-accompagnement-item{display:flex;align-items:center;gap:0.9rem;padding:0.85rem 1rem;border:1.5px solid var(--gris-bord);border-radius:8px;text-decoration:none;transition:border-color .15s,background .15s;background:var(--vert-bg)}
.cos-accompagnement-item:hover{border-color:var(--vert-moyen);background:#edf7f2}
.cos-accompagnement-item-emoji{font-size:1.2rem;flex-shrink:0;width:28px;text-align:center}
.cos-accompagnement-item-body{flex:1}
.cos-accompagnement-item-titre{font-size:0.92rem;font-weight:800;color:var(--vert-fonce);line-height:1.2}
.cos-accompagnement-item-desc{font-size:0.8rem;color:var(--texte-sec);margin-top:2px}
.cos-accompagnement-item-fleche{font-family:var(--mono);color:var(--vert-moyen);font-weight:700;flex-shrink:0}

/* Bouton recommencer */
.cos-quiz-btn-reset{display:inline-flex;align-items:center;gap:0.5rem;background:none;border:1.5px solid var(--gris-bord);border-radius:6px;padding:0.6rem 1.1rem;font-family:'Nunito',sans-serif;font-size:0.85rem;font-weight:700;color:#888;cursor:pointer;transition:border-color .15s,color .15s;margin-top:0.4rem}
.cos-quiz-btn-reset:hover{border-color:var(--vert-moyen);color:var(--vert-fonce)}

/* Responsive quiz */
@media(max-width:600px){
  .cos-quiz-carte{padding:1.3rem 1.1rem}
  .cos-quiz-question{font-size:1.08rem}
  .cos-resultat-nom{font-size:1.6rem}
  .cos-resultat-header{padding:1.3rem 1.2rem}
  .cos-accompagnement-item{flex-wrap:wrap}
}