:root{color-scheme:dark;--bg:#0c1220;--panel:#151f31;--panel2:#1b2940;--line:#29384f;--text:#e8eef8;--muted:#9aabc2;--blue:#83b5ff;--accent:#3d7bd9}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 15% 0%,#1c3151 0,transparent 38%),var(--bg);color:var(--text);font:15px/1.55 Inter,Segoe UI,Arial,sans-serif}.shell{max-width:1420px;margin:auto;padding:32px 34px}header,.intro,.panel-title,footer{display:flex;align-items:center;justify-content:space-between;gap:20px}header{padding:4px 0 26px;border-bottom:1px solid var(--line)}h1{font-size:32px;letter-spacing:-1px;margin:1px 0}h1 span{color:var(--blue)}header p,.intro p{color:var(--muted);margin:3px 0}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--blue);font-weight:700}.status{color:var(--muted);font-size:12px}.status i{display:inline-block;width:8px;height:8px;border-radius:50%;background:#d6a34d;margin-right:8px}.status i.ok{background:#51c99a}.intro{padding:28px 0}.intro h2{font-size:22px;margin:0 0 5px}.readonly{border:1px solid #35527a;background:#14243a;border-radius:10px;padding:11px 15px;min-width:240px}.readonly b{display:block;color:#9bc3ff;font-size:11px;letter-spacing:1px}.readonly span{font-size:11px;color:var(--muted)}.workspace{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(290px,.8fr);gap:18px}.chat-panel,.dictionary{background:rgba(21,31,49,.94);border:1px solid var(--line);border-radius:14px;min-width:0}.chat-panel{display:flex;flex-direction:column;min-height:660px}.dictionary{padding:20px;align-self:start;min-height:380px}.panel-title{padding:18px 20px;border-bottom:1px solid var(--line)}.panel-title b{display:block;font-size:14px}.panel-title small{display:block;color:var(--muted);font-size:11px}.ghost{background:transparent;border:1px solid var(--line);color:var(--muted);border-radius:7px;padding:8px 11px;cursor:pointer}.chat{height:480px;overflow:auto;padding:22px;display:flex;flex-direction:column;gap:14px}.msg{max-width:90%;border-radius:12px;padding:13px 16px;white-space:pre-wrap;overflow-wrap:anywhere}.msg b{font-size:11px;display:block;margin-bottom:5px;color:var(--blue)}.msg p{margin:0}.msg.bot{background:var(--panel2);border:1px solid #2c405c;align-self:flex-start}.msg.user{background:#203b60;border:1px solid #315987;align-self:flex-end}.msg.user b{color:#c1d9ff}.send{display:flex;gap:10px;padding:15px 20px 5px;border-top:1px solid var(--line)}textarea,input{font:inherit;color:var(--text);background:#0e1726;border:1px solid #33445d;border-radius:8px;padding:12px;outline:none}textarea:focus,input:focus{border-color:var(--blue)}.send textarea{resize:vertical;min-height:48px;max-height:150px;flex:1}.send button,.search button{border:0;border-radius:8px;background:var(--accent);color:white;font-weight:650;padding:0 18px;cursor:pointer}.send button:disabled{opacity:.5}.footnote{padding:4px 20px 15px;color:#788ba5;font-size:10px}.search{display:flex;gap:8px;margin:18px 0}.search input{min-width:0;flex:1}.search button{font-size:22px;padding:0 15px}.results{max-height:450px;overflow:auto}.result{padding:12px 0;border-bottom:1px solid var(--line)}.result b{color:#a9cbff;display:block;margin-bottom:4px}.result p{margin:0;color:#c4cfdf;font-size:13px}.result small{color:#7186a2}.muted{color:var(--muted);font-size:13px}.readonly-note{margin-top:20px;padding:12px;border-radius:8px;background:#101a29;color:#8194ad;font-size:11px}footer{border-top:1px solid var(--line);margin-top:24px;padding-top:16px;color:#778ba5;font-size:11px}@media(max-width:850px){.shell{padding:20px 14px}.workspace{grid-template-columns:1fr}.intro{align-items:flex-start;flex-direction:column}.readonly{width:100%}.chat-panel{min-height:560px}.chat{height:400px}footer{align-items:flex-start;flex-direction:column}}
.auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:min(100%,460px);background:rgba(21,31,49,.97);border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:0 20px 70px #0005}.auth-card h1{margin:8px 0}.auth-card form{display:grid;gap:16px;margin-top:24px}.auth-card label{display:grid;gap:7px;font-size:13px;color:#cbd7e8}.auth-card input{width:100%;margin-top:2px}.auth-card small{color:var(--muted);font-size:11px}.auth-card .primary{background:var(--accent);color:white;border:0;border-radius:8px;padding:13px;font-weight:700;cursor:pointer}.auth-link{font-size:13px;color:var(--muted);margin-top:20px}.auth-link a{color:var(--blue)}.form-error{color:#ff9b9b;background:#40242b;padding:10px;border-radius:8px;font-size:12px}.account{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}.side-column{display:grid;gap:18px;align-self:start}.side-column .dictionary{padding:0;min-height:0}.history{padding:10px;display:grid;gap:6px;max-height:300px;overflow:auto;color:var(--muted);font-size:12px}.history-item{width:100%;text-align:left;padding:10px;border:1px solid transparent;border-radius:7px;background:transparent;color:#cbd7e8;cursor:pointer;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-item:hover,.history-item.active{background:#203b60;border-color:#315987}.dictionary .panel-title{padding:15px 17px}.dictionary .search,.dictionary .results,.dictionary .readonly-note{margin-left:16px;margin-right:16px}.dictionary .results{margin-bottom:16px}.account form{margin:0}.account .ghost{white-space:nowrap}@media(max-width:850px){.auth-card{padding:24px}.account{align-items:flex-end;flex-direction:column}.workspace{grid-template-columns:1fr}}

.modebar{display:flex;align-items:center;gap:1rem;padding:1rem;margin:1rem 0;background:#e9efff;border-radius:12px;color:#172443;flex-wrap:wrap}.modebar select,.admin-panel select{padding:.7rem;border-radius:8px}.modebar a{margin-left:auto}.sources{display:flex;flex-direction:column;gap:.4rem;margin-top:1rem;padding:1rem;background:#eaf0ff;border-radius:10px}.sources a{color:#2345a5;overflow-wrap:anywhere}.admin-panel{padding:2rem;margin:2rem 0}.admin-panel button{margin:1rem;padding:.7rem 1.2rem}

.admin-panel form label{display:block;margin:12px 0}.admin-panel input,.admin-panel select,.admin-panel textarea{max-width:100%;margin:6px 0;padding:9px;border-radius:7px}.admin-panel fieldset{border:1px solid #64748b;border-radius:8px;padding:15px;margin:12px 0}.admin-panel fieldset label{margin:7px 0}.admin-panel .result{margin:12px 0;padding:12px;border:1px solid #475569;border-radius:8px}.admin-panel button{margin:5px}

/* V13.1 : navigation alphabétique du dictionnaire */
.alphabet{display:flex;flex-wrap:wrap;gap:6px;margin:16px 0}.alphabet-button{min-width:36px;padding:8px 10px;cursor:pointer}.alphabet-button.selected{background:#2563eb;color:white;border-color:#2563eb}