:root{
  --bg:#f6f8fa;
  --card:#ffffff;
  --text:#0b1220;
  --muted:#5b667a;
  --primary:#2563eb;
  --danger:#dc2626;
  --border:#e5e7eb;
  --accent:#0ea5e9;
  --label:#1f2937;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px}

/* Container plus large et marges réduites */
.container{max-width:1280px;margin:0 auto;padding:12px}

/* Topbar */
.topbar{border-bottom:1px solid var(--border);background:#ffffff;position:sticky;top:0;z-index:10}
.brand{font-weight:700;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace}
.nav a{margin-left:12px}

/* Pied */
.footer{border-top:1px solid var(--border);color:var(--muted);background:#ffffff}

/* Cartes et éléments */
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px;margin:12px 0;box-shadow:0 1px 2px rgba(16,24,40,0.04)}
label{
  display:block;
  margin:10px 0 6px 0;
  font-weight:700;           /* plus gras */
  color:var(--label);        /* variable */
}input,select,textarea{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--text);outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(14,165,233,0.15)}
textarea{resize:vertical}

/* Boutons */
.btn{display:inline-block;padding:8px 12px;border:1px solid var(--border);border-radius:10px;color:var(--text);background:#fff;cursor:pointer}
.btn:hover{filter:brightness(0.98)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn.small{padding:4px 8px;font-size:13px}

/* Table */
.table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--border);border-radius:12px;overflow:hidden;background:#fff}
.table th,.table td{border-bottom:1px solid var(--border);padding:8px;vertical-align:top}
.table thead th{background:#f3f4f6;text-align:left;font-weight:700}
.table tr:last-child td{border-bottom:none}

/* Alertes */
.alert{padding:10px;border-radius:10px;margin:10px 0;border:1px solid var(--border);background:#f8fafc}
.alert.error{background:#fef2f2;color:#7f1d1d;border-color:#fecaca}
.alert.info{background:#eff6ff;color:#1e3a8a;border-color:#bfdbfe}

/* Aides */
.muted{color:var(--muted)}
.filters{display:flex;gap:8px;align-items:center;margin-bottom:10px;flex-wrap:wrap}
.inline{display:inline}
.pagination{display:flex;gap:8px;align-items:center;justify-content:flex-end;margin-top:8px}

/* Bloc description ticket: clair, lisible, en container */
.desc{
  white-space:pre-wrap;
  background:#f9fafb;
  color:var(--text);
  border:1px solid var(--border);
  padding:12px;
  border-radius:10px;
  overflow:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
  font-size:14px;
  min-height:64px;
}

/* Formulaire: overlay d’attente au premier plan */
.ticket-create-card{position:relative}
.wait-overlay{
  position:absolute; inset:0; display:none;
  z-index:9999;
  background:rgba(255,255,255,0.85);
  backdrop-filter:blur(2px);
  align-items:center; justify-content:center; flex-direction:column; gap:8px;
  pointer-events:all;
}
.form-is-sending .wait-overlay{display:flex}
.form-is-sending form{pointer-events:none; filter:grayscale(0.2)}

/* Spinner générique */
.spinner{
  width:36px;height:36px;
  border:3px solid var(--border);
  border-top-color:var(--primary);
  border-radius:50%;
  animation:spin 1s linear infinite
}
@keyframes spin{to{transform:rotate(360deg)}}

/* Spinner mini pour changement de statut */
.spinner.sm{width:16px;height:16px;border-width:2px;border-style:solid;border-color:var(--border) var(--border) var(--border) var(--primary);border-radius:50%;animation:spin 1s linear infinite}
.status-control .spinner{display:none;vertical-align:middle;margin-left:6px}
.status-control.loading .spinner{display:inline-block}

/* Bloque l'interaction sans perdre la valeur au POST */
select.no-pointer{pointer-events:none;opacity:.7}

/* Thème sombre auto selon le système */
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b1220;
    --card:#121826;
    --text:#e5e7eb;
    --muted:#9aa4b2;
    --primary:#60a5fa;
    --danger:#f87171;
    --border:#1f2937;
    --accent:#38bdf8;
    --label:#f3f4f6;
  }

  html{color-scheme: dark}
  body{background:var(--bg);color:var(--text)}

  .topbar,.footer{background:var(--card);border-color:var(--border)}
  a{color:var(--primary)}

  .card{background:var(--card);border-color:var(--border)}
  .table{background:var(--card);border-color:var(--border)}
  .table thead th{background:#0f172a;color:var(--text)}
  .table th,.table td{border-bottom-color:var(--border)}

  .alert{background:#0f172a;border-color:var(--border);color:var(--text)}
  .alert.error{background:#2b1b1b;color:#fecaca;border-color:#7f1d1d}
  .alert.info{background:#0b2042;color:#bfdbfe;border-color:#1e3a8a}

  .desc{background:#0f172a;color:var(--text);border-color:var(--border)}

  input,select,textarea{background:#0f172a;color:var(--text);border-color:var(--border)}
  input:focus,select:focus,textarea:focus{box-shadow:0 0 0 3px rgba(56,189,248,.2);border-color:var(--accent)}

  .btn{background:#0f172a;color:var(--text);border-color:var(--border)}
  .btn.primary{background:var(--primary);border-color:var(--primary);color:#0b1220}
  .btn.danger{background:var(--danger);border-color:var(--danger);color:#0b1220}

  .wait-overlay{background:rgba(17,24,39,.75)}
  .spinner{border-color:var(--border);border-top-color:var(--primary)}
  .spinner.sm{border-color:var(--border) var(--border) var(--border) var(--primary)}
  label{letter-spacing:.1px}

}

/* ===== Fil de discussion type chat ===== */
.thread{display:flex;flex-direction:column;gap:10px;margin-top:8px}
.msg{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:10px}
.msg .meta{font-size:12px;color:var(--muted);margin-bottom:6px}
.msg .body{white-space:pre-wrap}
.msg.admin{border-left:3px solid var(--primary)}
.msg.requester{border-left:3px solid #10b981}
@media (prefers-color-scheme: dark){
  .msg{background:#0f172a;border-color:var(--border)}
}
.row-actions{display:flex;gap:8px;align-items:center;margin-top:6px}
.row-actions .btn{margin:0}
.actions-block{display:block}
.actions-block textarea{width:100%}
.btn-bar{display:flex; gap:8px; margin-top:6px; align-items:center}
.btn-bar .btn{margin:0}