:root {
  --verde: #25d366;
  --verde-escuro: #128c7e;
  --fundo: #0b141a;
  --painel: #111b21;
  --painel2: #202c33;
  --borda: #2a3942;
  --texto: #e9edef;
  --texto2: #8696a0;
  --erro: #f15c6d;
  --aviso: #f0b429;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--fundo);
  color: var(--texto);
}
button {
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 600;
  background: var(--painel2);
  color: var(--texto);
}
button.primario { background: var(--verde); color: #052e18; }
button.perigo { background: #3a1d22; color: var(--erro); }
button:hover { filter: brightness(1.1); }
input, textarea, select {
  width: 100%;
  background: var(--painel);
  border: 1px solid var(--borda);
  border-radius: 8px;
  color: var(--texto);
  padding: 10px;
  font-size: 14px;
  font-family: inherit;
}
label { display: block; font-size: 13px; color: var(--texto2); margin: 12px 0 4px; }
a { color: var(--verde); }

/* login */
#login {
  display: flex; align-items: center; justify-content: center;
  height: 100vh; flex-direction: column; gap: 16px;
}
#login .caixa { background: var(--painel); padding: 32px; border-radius: 14px; width: 320px; }

/* layout */
header {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 20px; background: var(--painel); border-bottom: 1px solid var(--borda);
}
header h1 { font-size: 18px; margin: 0; }
nav { display: flex; gap: 4px; flex-wrap: wrap; }
nav button { background: transparent; color: var(--texto2); padding: 8px 14px; }
nav button.ativo { background: var(--painel2); color: var(--texto); }
main { padding: 20px; max-width: 1100px; margin: 0 auto; }
.aba { display: none; }
.aba.ativo { display: block; }

.card { background: var(--painel); border: 1px solid var(--borda); border-radius: 12px; padding: 18px; margin-bottom: 16px; }
.card h2 { margin: 0 0 12px; font-size: 16px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.linha { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.pill { font-size: 12px; padding: 3px 10px; border-radius: 20px; background: var(--painel2); color: var(--texto2); }
.pill.ok { background: #0c2f22; color: var(--verde); }
.pill.off { background: #3a1d22; color: var(--erro); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--borda); }
th { color: var(--texto2); font-weight: 600; }
.muted { color: var(--texto2); font-size: 13px; }
.barra { height: 8px; background: var(--painel2); border-radius: 6px; overflow: hidden; }
.barra > div { height: 100%; background: var(--verde); }

/* conversas */
.conversa-layout { display: grid; grid-template-columns: 300px 1fr; gap: 0; height: 70vh; }
.lista-conversas { border-right: 1px solid var(--borda); overflow-y: auto; }
.item-conversa { padding: 12px; border-bottom: 1px solid var(--borda); cursor: pointer; }
.item-conversa:hover, .item-conversa.ativo { background: var(--painel2); }
.thread { display: flex; flex-direction: column; height: 100%; }
.msgs { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.bolha { max-width: 70%; padding: 8px 12px; border-radius: 10px; font-size: 14px; }
.bolha.entrada { background: var(--painel2); align-self: flex-start; }
.bolha.saida { background: var(--verde-escuro); align-self: flex-end; }
.bolha .quem { font-size: 11px; color: var(--texto2); margin-bottom: 2px; }
.responder { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--borda); }
.qr img { width: 260px; border-radius: 10px; background: #fff; padding: 8px; }
.toast { position: fixed; bottom: 20px; right: 20px; background: var(--painel2); padding: 14px 18px; border-radius: 10px; border-left: 4px solid var(--verde); }
.toast.erro { border-color: var(--erro); }
.aviso-box { background: #2a2410; border: 1px solid var(--aviso); border-radius: 10px; padding: 12px; font-size: 13px; color: #f0d68a; margin-bottom: 16px; }