:root{--bg:#f4f1ec;--panel:#fff;--ink:#1f1b17;--mute:#7a7168;--line:#e6e0d7;--accent:#b0322a;--ok:#2f8a4c;--warn:#c98a12;--bad:#c0392b}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:Inter,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink);font-size:14px}
[hidden]{display:none!important}
button{font:inherit;cursor:pointer;color:inherit}
button:disabled{opacity:.5;cursor:default}
input,select{font:inherit}
.logo{font-weight:800;font-size:17px;white-space:nowrap}
.logo span{color:var(--accent)}
.logo.grand{font-size:22px;margin-bottom:18px}

/* connexion */
.login{position:fixed;inset:0;display:grid;place-items:center;background:var(--bg)}
.login .carte{background:#fff;border-radius:18px;padding:32px;width:min(380px,92vw);box-shadow:0 20px 50px rgba(40,30,20,.12)}
.login h1{margin:0 0 4px;font-size:24px}
.login p{color:var(--mute);margin:0 0 18px}
.login input{display:block;width:100%;border:1px solid var(--line);border-radius:10px;padding:12px;margin-bottom:10px;font-size:16px}
.erreur{color:var(--bad)!important;margin:10px 0 0!important;min-height:1em}

/* barre du haut */
.top{display:flex;align-items:center;gap:14px;padding:9px 18px;background:var(--panel);border-bottom:1px solid var(--line);height:54px}
.projet-wrap{position:relative}
.projet{color:var(--mute);font-size:13px;border:1px solid var(--line);border-radius:8px;padding:6px 10px;background:#fff;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.menu{position:absolute;top:40px;left:0;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 34px rgba(40,30,20,.16);min-width:260px;z-index:30;padding:6px}
.menu.droite{left:auto;right:0}
.menu button{display:block;width:100%;text-align:left;border:0;background:none;padding:9px 10px;border-radius:8px}
.menu button:hover{background:#f6f2ec}
.menu button.on{font-weight:700}
.menu .sepm{height:1px;background:var(--line);margin:5px 0}
.menu-titre{padding:8px 10px;color:var(--mute);font-size:12px}
.etapes{display:flex;gap:6px;margin-left:auto}
.etape{border:1px solid var(--line);background:#faf8f5;border-radius:999px;padding:7px 14px;font-weight:600;color:var(--mute)}
.etape.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.etape b{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:rgba(0,0,0,.08);margin-right:6px;font-size:12px}
.etape.on b{background:var(--accent)}
.compte{width:34px;height:34px;border-radius:50%;background:#e8d9c4;display:grid;place-items:center;font-weight:800;border:0;text-transform:uppercase}

/* trois colonnes */
.app-grille{display:grid;grid-template-columns:300px 1fr 340px;height:calc(100vh - 54px)}
.col{background:var(--panel);overflow:auto;padding:16px}
.gauche-col{border-right:1px solid var(--line)}
.droite-col{border-left:1px solid var(--line);display:flex;flex-direction:column;padding:0}
.panneau{display:none}.panneau.on{display:block}
h3{font-size:12px;text-transform:uppercase;letter-spacing:1.2px;color:var(--mute);margin:18px 0 8px}
.panneau h3:first-child{margin-top:0}
.champ{width:100%;border:1px solid var(--line);border-radius:10px;padding:9px 10px}
.choix{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.choix.trois{grid-template-columns:1fr 1fr 1fr}
.choix button{border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 6px;font-weight:600;font-size:13px}
.choix button.on{border-color:var(--accent);background:#fbefed;color:var(--accent)}
.mesure{display:none;gap:6px;margin-top:8px}
.mesure.on{display:flex}
.mesure label{flex:1;font-size:12px;color:var(--mute)}
.mesure input{width:100%;border:1px solid var(--line);border-radius:8px;padding:8px;margin-top:3px}
.polices{display:flex;flex-direction:column;gap:5px}
.police{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);border-radius:10px;padding:8px 10px;background:#fff;text-align:left}
.police.on{border-color:var(--accent);background:#fbefed}
.police span{font-size:18px}
.police small{color:var(--mute);font-size:11px}
.aide{font-size:12px;color:var(--mute);line-height:1.45}
.depot{display:block;border:2px dashed #d6ccbe;border-radius:12px;padding:16px 12px;text-align:center;color:var(--mute);background:#fcfaf7;font-size:12.5px;line-height:1.45;cursor:pointer}
.depot.survol{border-color:var(--accent);background:#fbefed}
.depot strong{display:block;color:var(--ink);font-size:14px;margin-bottom:3px}
.depot .petit{display:block;margin-top:6px;text-decoration:underline}
.fichier{display:flex;align-items:center;gap:8px;padding:8px;border:1px solid var(--line);border-radius:10px;margin-top:6px;font-size:13px}
.fichier .nom{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ic{width:30px;height:30px;border-radius:7px;display:grid;place-items:center;font-weight:800;font-size:10px;color:#fff;flex:none}
.img{display:flex;gap:8px;align-items:center;padding:6px;border:1px solid var(--line);border-radius:10px;margin-top:6px;cursor:pointer;background:#fff}
.img.sel{border-color:var(--accent);box-shadow:0 0 0 2px #fbefed}
.img img{width:46px;height:46px;object-fit:cover;border-radius:6px;flex:none;background:#f1ece5}
.img .info{flex:1;font-size:12px;line-height:1.35;min-width:0}
.img .info .n{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mini-btn{border:1px solid var(--line);background:#fff;border-radius:8px;padding:4px 7px;font-size:12px}
.badge{display:inline-block;font-size:11px;font-weight:700;padding:2px 7px;border-radius:999px}
.badge.ok{background:#e4f3e8;color:var(--ok)}
.badge.warn{background:#fbf0d9;color:var(--warn)}
.badge.bad{background:#fbe3df;color:var(--bad)}
.badge.att{background:#e8eef9;color:#3a5ca8}
.badge.neutre{background:#f1ece5;color:var(--mute)}
.encart{background:#fbf0d9;border-radius:12px;padding:10px 12px;margin-top:10px;font-size:12.5px;line-height:1.45}
.encart button{margin-top:8px;width:100%;border:0;background:var(--warn);color:#fff;border-radius:9px;padding:8px;font-weight:700}
.outilsimg{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.outilsimg.un{grid-template-columns:1fr}
.outilsimg button{border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px 6px;font-weight:600;font-size:13px}
.outilsimg button.plein{background:var(--accent);color:#fff;border-color:var(--accent)}
.apercu-img{border:1px solid var(--line);border-radius:12px;padding:10px;text-align:center;background:repeating-conic-gradient(#f3efe9 0 25%,#fff 0 50%) 50%/16px 16px}
.apercu-img img{max-width:100%;max-height:150px}
.gros{display:block;width:100%;border:0;background:var(--accent);color:#fff;font-weight:800;padding:14px;border-radius:12px;font-size:15px;margin-top:14px}
.lien{display:block;margin:10px auto 0;border:0;background:none;color:var(--mute);text-decoration:underline}

/* centre */
.centre{display:flex;flex-direction:column;overflow:hidden;min-width:0}
.outils{display:flex;gap:7px;padding:9px 14px;background:#faf8f5;border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center}
.outils button{border:1px solid var(--line);background:#fff;border-radius:9px;padding:7px 11px;font-weight:600;font-size:13px}
.outils .sep{width:1px;height:24px;background:var(--line)}
.outils .lang.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.outils .rouge{background:var(--accent);color:#fff;border-color:var(--accent)}
.outils .actif{background:#fbefed;border-color:var(--accent);color:var(--accent)}
#langues{display:inline-flex;gap:6px}
.scene{flex:1;display:flex;align-items:center;justify-content:center;gap:14px;overflow:hidden;padding:18px;position:relative;perspective:2400px}
.fleche{flex:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:20px;box-shadow:0 4px 10px rgba(0,0,0,.08);position:relative;z-index:3}
.cadre{position:relative;flex:none}
.planche-rendu{position:absolute;left:0;top:0;transform-origin:0 0;display:flex;box-shadow:0 18px 44px rgba(40,30,20,.24)}
.tourne-d{animation:td .4s ease}.tourne-g{animation:tg .4s ease}
@keyframes td{50%{transform:rotateY(-10deg) translateX(-20px);opacity:.55}}
@keyframes tg{50%{transform:rotateY(10deg) translateX(20px);opacity:.55}}
.fenetre{position:relative;overflow:hidden;background:#fff}
.fenetre>.pp-page{position:absolute;left:0;top:0}
.pli{position:absolute;top:0;bottom:0;width:26mm;margin-left:-13mm;background:linear-gradient(90deg,rgba(0,0,0,0),rgba(0,0,0,.09),rgba(0,0,0,0));pointer-events:none;z-index:4}
.vue-coupe .fenetre{overflow:visible}
.vue-coupe .fenetre::after{content:"";position:absolute;inset:0;outline:.35mm dashed rgba(176,50,42,.9);pointer-events:none;z-index:5}
.vue-coupe .planche-rendu{box-shadow:none}
.vue-coupe .fenetre .pp-page{box-shadow:0 0 0 3mm rgba(176,50,42,.08)}
.pp-page img[data-asset]{cursor:pointer}
.pp-page img.selection{outline:1mm solid rgba(176,50,42,.85);outline-offset:-1mm}
.pp-page .flux.deborde{box-shadow:inset 0 -6mm 4mm -3mm rgba(201,138,18,.55)}
.alerte{position:absolute;left:50%;transform:translateX(-50%);bottom:14px;background:#fff;border:1px solid #f0d9a8;color:#7a5508;border-radius:12px;padding:9px 12px;font-size:13px;box-shadow:0 8px 20px rgba(0,0,0,.08);display:flex;gap:10px;align-items:center;z-index:6}
.alerte button{border:0;background:var(--warn);color:#fff;border-radius:8px;padding:6px 10px;font-weight:700}
.travail{position:absolute;inset:0;background:rgba(244,241,236,.6);display:flex;align-items:center;justify-content:center;gap:12px;font-weight:700;z-index:7;backdrop-filter:blur(1px)}
.rond{width:26px;height:26px;border-radius:50%;border:3px solid #e2d6c6;border-top-color:var(--accent);animation:tour 1s linear infinite}
@keyframes tour{to{transform:rotate(360deg)}}
.miniatures{display:flex;gap:10px;padding:10px 14px;border-top:1px solid var(--line);background:#faf8f5;overflow-x:auto;align-items:flex-end;min-height:96px}
.mini{flex:none;text-align:center;font-size:11px;color:var(--mute);cursor:pointer}
.mini .v{border-radius:4px;border:2px solid transparent;background:#fff;overflow:hidden;position:relative;box-shadow:0 2px 6px rgba(0,0,0,.08)}
.mini.on .v{border-color:var(--accent)}
.mini.vide .v{background:repeating-linear-gradient(45deg,#fff,#fff 6px,#f2ede6 6px,#f2ede6 12px)}
.mini.refaire .v::after{content:"!";position:absolute;right:3px;top:3px;background:var(--warn);color:#fff;border-radius:50%;width:16px;height:16px;font-size:11px;font-weight:800;display:grid;place-items:center}
.mini .v .interieur{transform-origin:0 0;position:absolute;left:0;top:0;display:flex;pointer-events:none}
.ajout{flex:none;width:58px;height:58px;border-radius:8px;border:2px dashed #cbbfae;background:none;font-size:22px;color:var(--mute)}

/* assistant */
.chat-titre{padding:14px 16px;border-bottom:1px solid var(--line);font-weight:700}
.chat-titre small{display:block;font-weight:400;color:var(--mute);margin-top:2px}
.fil{flex:1;overflow:auto;padding:14px 16px;display:flex;flex-direction:column;gap:10px}
.msg{padding:10px 12px;border-radius:12px;line-height:1.45;max-width:92%;white-space:pre-wrap}
.msg.ia{background:#f5f0e8}
.msg.moi{background:var(--ink);color:#fff;align-self:flex-end}
.msg.erreur{background:#fbe3df;color:#8a2a1e}
.msg.attente{color:var(--mute);font-style:italic}
.progression{padding:8px 16px;font-size:12.5px;color:var(--mute)}
.barre{height:8px;background:#efe8de;border-radius:999px;overflow:hidden;margin-bottom:5px}
.barre i{display:block;height:100%;width:0;background:var(--accent);transition:width .4s}
.puces{display:flex;flex-wrap:wrap;gap:6px;padding:0 16px 10px}
.puces button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 10px;font-size:12.5px}
.saisie{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--line)}
.saisie input{flex:1;border:1px solid var(--line);border-radius:10px;padding:10px;min-width:0}
.saisie button{border:0;border-radius:10px;padding:0 13px;font-weight:700;font-size:16px}
.micro{background:#f1e8d8}
.micro.ecoute{background:var(--accent);color:#fff;animation:pulse 1s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 6px rgba(176,50,42,.2)}}
.envoi{background:var(--accent);color:#fff}

/* fenêtres */
.modal{position:fixed;inset:0;background:rgba(20,15,10,.45);display:grid;place-items:center;z-index:40}
.boite{background:#fff;border-radius:16px;padding:24px;width:min(480px,92vw);max-height:90vh;overflow:auto}
.boite h2{margin:0 0 4px}
.boite p{color:var(--mute);margin:0 0 14px;line-height:1.45}
.verif{display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-top:1px solid var(--line);line-height:1.4}
.verif .pt{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:12px;font-weight:800;flex:none}
.option{display:flex;gap:8px;align-items:center;margin-top:12px;font-size:14px}
.option select{border:1px solid var(--line);border-radius:8px;padding:6px}
.vers{position:fixed;left:50%;transform:translateX(-50%);bottom:110px;background:#fff;border-radius:16px;box-shadow:0 18px 40px rgba(40,30,20,.25);padding:16px;z-index:35;width:min(720px,92vw)}
.vers h4{margin:0 0 4px}.vers p{margin:0 0 12px;color:var(--mute);font-size:12.5px}
.vlist{display:flex;gap:12px;overflow-x:auto;padding-bottom:4px}
.vcarte{flex:none;width:150px;border:2px solid var(--line);border-radius:10px;padding:6px;text-align:center;font-size:12px;cursor:pointer;background:#fff}
.vcarte.on{border-color:var(--accent)}
.vcarte .v{height:74px;overflow:hidden;border-radius:6px;margin-bottom:5px;position:relative;background:#faf8f5}
.vcarte .v .interieur{transform-origin:0 0;position:absolute;left:0;top:0;display:flex;pointer-events:none}
.vcarte b{display:block;font-size:13px}
.mesure-cachee{position:fixed;left:-20000px;top:0;visibility:hidden;pointer-events:none}
@media (max-width:1100px){.app-grille{grid-template-columns:260px 1fr 300px}.etape{padding:6px 9px}.etape{font-size:12px}}
@media (max-width:860px){.app-grille{grid-template-columns:1fr;height:auto}.droite-col{height:520px}.etapes{display:none}.scene{min-height:60vh}}
.interieur-planche{position:relative}
.vue-coupe .interieur-planche{gap:8mm}