:root {
  --bg: #070c16;
  --panel: #0f1a2c;
  --panel2: #142236;
  --border: #1e3050;
  --text: #eef3fa;
  --muted: #90a6c4;
  --a: #22d3ee;
  --b: #c084fc;
  --danger: #f87171;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
  line-height: 1.6;
}
.wrap { max-width: 900px; margin: 0 auto; padding: 22px 16px 90px; }

.hero {
  background: linear-gradient(150deg, #0e1c31, #0a1425 65%);
  border: 1px solid var(--border); border-radius: 20px; padding: 24px 20px; margin-bottom: 16px;
}
.kicker { color: var(--a); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; font-weight: 700; }
h1 { font-size: 27px; margin: 10px 0 8px; }
.sub { color: var(--muted); font-size: 14.5px; margin: 0; }
.meta { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.pill {
  background: rgba(34, 211, 238, .14); color: var(--a);
  border-radius: 999px; padding: 3px 11px; font-size: 12.5px; font-weight: 700;
}
.pill-ghost { background: var(--panel2); color: var(--muted); }

.barre {
  display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
  background: var(--panel); border: 1px solid var(--border); border-radius: 16px;
  padding: 12px; margin-bottom: 12px;
}
.btn {
  background: var(--panel2); color: var(--text); border: 1px solid var(--border);
  border-radius: 11px; padding: 10px 14px; font-size: 14px; font-weight: 700;
  font-family: inherit; cursor: pointer;
}
.btn:hover:not(:disabled) { filter: brightness(1.15); }
.btn:disabled { opacity: .45; cursor: default; }
.btn-primaire { background: var(--a); border-color: var(--a); color: #04141b; }
.btn-ghost { background: transparent; color: var(--muted); }
.reglage { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
select {
  background: var(--panel2); color: var(--text); border: 1px solid var(--border);
  border-radius: 9px; padding: 7px 9px; font-family: inherit; font-size: 13.5px;
}
.note { color: var(--muted); font-size: 12.8px; margin: 0 0 14px; }

.fil {
  background: var(--panel); border: 1px solid var(--border); border-radius: 18px;
  padding: 16px; min-height: 320px; display: flex; flex-direction: column; gap: 12px;
}
.vide { margin: auto; text-align: center; color: var(--muted); padding: 40px 0; }
.vide-ico { font-size: 40px; }
.vide-sub { font-size: 13px; opacity: .75; margin-top: 4px; }

.msg { display: flex; gap: 10px; max-width: 88%; animation: apparait .25s ease; }
.msg-a { align-self: flex-start; }
.msg-b { align-self: flex-end; flex-direction: row-reverse; }
@keyframes apparait { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.avatar {
  width: 34px; height: 34px; border-radius: 50%; flex: 0 0 34px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 14px;
}
.msg-a .avatar { background: rgba(34, 211, 238, .18); color: var(--a); border: 1px solid rgba(34, 211, 238, .4); }
.msg-b .avatar { background: rgba(192, 132, 252, .18); color: var(--b); border: 1px solid rgba(192, 132, 252, .4); }
.bulle { border-radius: 15px; padding: 11px 14px; font-size: 15px; }
.msg-a .bulle { background: var(--panel2); border: 1px solid rgba(34, 211, 238, .22); border-top-left-radius: 5px; }
.msg-b .bulle { background: #1b1630; border: 1px solid rgba(192, 132, 252, .22); border-top-right-radius: 5px; }
.entete { font-size: 11.5px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 4px; }
.msg-a .entete { color: var(--a); }
.msg-b .entete { color: var(--b); }

.pied { display: flex; justify-content: space-between; gap: 10px; margin-top: 14px; font-size: 12.5px; color: var(--muted); }
.erreur { color: var(--danger); }

.modale {
  position: fixed; inset: 0; background: rgba(4, 8, 16, .88);
  display: flex; align-items: center; justify-content: center; padding: 16px; z-index: 50;
}
.modale.hidden { display: none; }
.modale-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 18px;
  padding: 20px; max-width: 860px; width: 100%; max-height: 88vh; overflow: auto;
}
.modale-card h2 { margin: 0 0 6px; font-size: 20px; }
.ctx-grid { display: grid; gap: 12px; margin: 14px 0; }
@media (min-width: 700px) { .ctx-grid { grid-template-columns: 1fr 1fr; } }
.ctx-titre { font-size: 14px; margin: 0 0 6px; }
.ctx-a { color: var(--a); }
.ctx-b { color: var(--b); }
pre {
  background: #0a1322; border: 1px solid var(--border); border-radius: 12px;
  padding: 12px; font-size: 12.5px; white-space: pre-wrap; word-break: break-word;
  margin: 0; max-height: 46vh; overflow: auto; color: var(--muted);
}
.reglage input[type="text"] {
  background: var(--panel2); color: var(--text); border: 1px solid var(--border);
  border-radius: 9px; padding: 7px 9px; font-family: inherit; font-size: 13.5px; width: 140px;
}
.bulle strong { color: #ffffff; font-weight: 700; }
.bulle em { color: #d6e7ff; }
.bulle code {
  background: #0a1322; border: 1px solid var(--border); border-radius: 5px;
  padding: 1px 5px; font-size: 13px;
}
.versbas {
  position: fixed; right: 18px; bottom: 20px; z-index: 40;
  width: 46px; height: 46px; border-radius: 50%; font-size: 19px; font-weight: 800;
  background: var(--a); color: #04141b; border: 0; cursor: pointer;
  box-shadow: 0 8px 22px rgba(0, 0, 0, .5);
}
.versbas.hidden { display: none; }
.bandeau {
  display: flex; align-items: center; gap: 8px;
  background: rgba(34, 211, 238, .08); border: 1px solid rgba(34, 211, 238, .28);
  color: var(--a); border-radius: 12px; padding: 11px 14px;
  font-size: 13.5px; font-weight: 700; margin-bottom: 12px;
}