:root{
  color-scheme:dark;
  --bg:#0b0e13;
  --bg-grad:#10141b;
  --card:#171b22;
  --card-hover:#1b2029;
  --border:#242a33;
  --border-soft:#1d222a;
  --acc:#3aa675;
  --acc-hover:#45bf87;
  --text:#e6e9ee;
  --text-dim:#9aa3b2;
  --err:#e5484d;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:radial-gradient(120% 140% at 50% -10%, var(--bg-grad) 0%, var(--bg) 60%);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
}

.center{min-height:100vh;display:grid;place-items:center;padding:1rem}

.card{
  background:var(--card);
  padding:2.2rem;
  border-radius:16px;
  border:1px solid var(--border-soft);
  box-shadow:0 20px 50px -20px rgba(0,0,0,.6);
  display:flex;
  flex-direction:column;
  gap:.9rem;
  min-width:300px;
  width:100%;
  max-width:340px;
}
.card h1{font-size:1.2rem;margin:0 0 .3rem;letter-spacing:-.01em}

input,select,button{
  padding:.65rem .75rem;
  border-radius:9px;
  border:1px solid var(--border);
  background:#0e1116;
  color:var(--text);
  font-size:.95rem;
  transition:border-color .15s ease, box-shadow .15s ease;
}
input:focus,select:focus{
  outline:none;
  border-color:var(--acc);
  box-shadow:0 0 0 3px rgba(58,166,117,.18);
}
button{
  background:var(--acc);
  border:1px solid transparent;
  color:#08130e;
  cursor:pointer;
  font-weight:600;
  transition:background .15s ease, transform .05s ease;
}
button:hover{background:var(--acc-hover)}
button:active{transform:translateY(1px)}

.err{color:var(--err);min-height:1em;margin:0;font-size:.88rem}

#bar{
  display:flex;
  align-items:center;
  gap:1rem;
  padding:.65rem 1.1rem;
  background:var(--card);
  border-bottom:1px solid var(--border-soft);
}
#bar b{font-weight:600;letter-spacing:-.01em}
#bar a{color:var(--text-dim);text-decoration:none;transition:color .15s ease}
#bar a:hover{color:var(--text)}
#bar #logo{height:34px;border-radius:4px}
#bar #gname{font-weight:600;color:var(--text-dim)}
#bar #logout{margin-left:auto}

.grid{display:grid;gap:6px;padding:6px;height:calc(100vh - 52px)}
.grid.g1{grid-template-columns:1fr}
.grid.g2{grid-template-columns:1fr 1fr}
.grid.g4{grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr}

.cell{
  position:relative;
  background:#000;
  border-radius:10px;
  overflow:hidden;
  display:grid;
  place-items:center;
  border:1px solid var(--border-soft);
}
.cell video{width:100%;height:100%;object-fit:contain}
.cell .label{
  position:absolute;
  left:10px;
  bottom:10px;
  background:rgba(0,0,0,.6);
  backdrop-filter:blur(2px);
  padding:3px 10px;
  border-radius:7px;
  font-size:.85rem;
  letter-spacing:.01em;
}
.cell.offline{background:#0d0f13}
.cell.offline::after{
  content:"Hors ligne";
  color:var(--text-dim);
  font-size:.95rem;
  letter-spacing:.02em;
}

.admin{display:grid;gap:1.5rem;padding:1.5rem;max-width:900px;margin:0 auto}
.admin section{
  background:var(--card);
  padding:1.1rem 1.3rem;
  border-radius:14px;
  border:1px solid var(--border-soft);
}
.admin section h2{margin:0 0 .8rem;font-size:1rem;color:var(--text-dim);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.admin form{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:.9rem}
.admin ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.4rem}
.admin li{
  display:flex;
  gap:.6rem;
  align-items:center;
  flex-wrap:wrap;
  padding:.5rem .6rem;
  border-radius:9px;
  border:1px solid var(--border-soft);
  transition:background .15s ease;
}
.admin li:hover{background:var(--card-hover)}
.admin li label{display:inline-flex;align-items:center;gap:.3rem;color:var(--text-dim);font-size:.85rem}

@media (max-width:640px){
  .grid.g2, .grid.g4{grid-template-columns:1fr}
  .grid.g4{grid-template-rows:repeat(4,1fr)}
  .admin{padding:1rem}
}

/* ===== Navigation, feedback et contrôles (refonte ergonomie) ===== */
.navlink{color:var(--acc);text-decoration:none;font-size:.9rem;font-weight:600}
.navlink:hover{text-decoration:underline}
#bar .navlink{margin-left:.4rem}
#bar #logout{margin-left:auto}
.muted{color:var(--text-dim);font-size:.85rem}
.grow{flex:1 1 auto}

/* Lignes admin enrichies */
.admin li .danger{background:transparent;border:1px solid var(--border);color:var(--err);
  padding:.35rem .7rem;border-radius:7px;cursor:pointer;font-size:.85rem}
.admin li .danger:hover{background:var(--err);color:#fff;border-color:var(--err)}

/* Vignette de logo dans la liste des groupes */
.logo-cell{width:40px;height:40px;flex:0 0 auto;display:grid;place-items:center;
  background:var(--bg);border:1px solid var(--border-soft);border-radius:8px;overflow:hidden}
.logo-cell img{width:100%;height:100%;object-fit:contain}
.logo-empty{color:var(--text-dim)}

/* Bouton "fichier" déguisé (upload logo) */
.btn-file{display:inline-flex;align-items:center;gap:.3rem;cursor:pointer;
  background:var(--card-hover);border:1px solid var(--border);border-radius:7px;
  padding:.4rem .7rem;font-size:.85rem;color:var(--text)}
.btn-file:hover{border-color:var(--acc);color:var(--acc)}

/* Flux : en-tête + attributions */
.stream{flex-direction:column;align-items:stretch !important;gap:.5rem !important}
.stream-head{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap}
.stream-head code{font-family:ui-monospace,Menlo,monospace;font-size:.8rem;
  background:var(--bg);padding:.1rem .45rem;border-radius:5px;border:1px solid var(--border-soft)}
.stream-head button{margin-left:auto;background:var(--card-hover);border:1px solid var(--border);
  color:var(--text);padding:.35rem .7rem;border-radius:7px;cursor:pointer;font-size:.85rem}
.stream-head button:hover{border-color:var(--acc);color:var(--acc)}
.stream-groups{font-size:.85rem;color:var(--text-dim);display:flex;flex-wrap:wrap;gap:.6rem;align-items:center}

/* Boîte URL RTMP (modale légère, ré-ouvrable) */
.rtmpbox{position:fixed;inset:0;background:#0009;display:grid;place-items:center;z-index:50;padding:1rem}
.rtmpbox-inner{background:var(--card);border:1px solid var(--border);border-radius:14px;
  padding:1.5rem;max-width:560px;width:100%;box-shadow:0 20px 60px #0007}
.rtmpbox-inner h3{margin:0 0 .3rem}
.rtmp-row{display:flex;gap:.5rem;margin:.9rem 0}
.rtmp-row input{flex:1;font-family:ui-monospace,Menlo,monospace;font-size:.82rem}
.rtmpbox .ghost{background:transparent;border:1px solid var(--border);color:var(--text-dim)}

/* Toast de feedback */
.toast{position:fixed;left:50%;bottom:1.4rem;transform:translateX(-50%) translateY(200%);
  background:var(--card);border:1px solid var(--border);border-radius:10px;
  padding:.7rem 1.1rem;font-size:.9rem;box-shadow:0 10px 30px #0006;z-index:60;
  transition:transform .25s ease;max-width:90vw}
.toast.show{transform:translateX(-50%) translateY(0)}
.toast.ok{border-left:3px solid var(--acc)}
.toast.err{border-left:3px solid var(--err)}

/* Salle vide */
.grid.empty{display:grid;place-items:center}
.empty-msg{text-align:center;color:var(--text-dim);line-height:1.7;font-size:1.05rem}
@media (prefers-reduced-motion:reduce){.toast{transition:none}}

/* Correctif : [hidden] doit toujours masquer, même si le composant définit un display. */
[hidden]{display:none !important}