:root {
  --bg: #0f1216;
  --panel: #171b21;
  --panel-2: #1e242c;
  --line: #262d36;
  --txt: #e6e9ee;
  --muted: #8b95a3;
  --accent: #25d366;
  --accent-2: #1ea952;
  --danger: #e5534b;
  --warn: #e3b341;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--txt);
  font-size: 15px;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.erro { color: var(--danger); font-size: 14px; min-height: 20px; }
.ok { color: var(--accent); font-size: 14px; }

/* ---------------------------------------------------------------- login */
.login { display: grid; place-items: center; min-height: 100vh; padding: 20px; }
.login-card { width: 100%; max-width: 380px; text-align: center; }
.login-card h1 { font-size: 22px; margin: 0 0 4px; }
.login-card input { margin: 18px 0 12px; }

/* --------------------------------------------------------------- header */
header {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 12px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 600; }
header nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
header .right { display: flex; align-items: center; gap: 10px; }

.tab {
  background: none; border: 0; color: var(--muted);
  padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: 14px;
}
.tab:hover { background: var(--panel-2); color: var(--txt); }
.tab.active { background: var(--panel-2); color: var(--txt); font-weight: 600; }

.badge { padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.on { background: rgba(37, 211, 102, .15); color: var(--accent); }
.badge.off { background: rgba(229, 83, 75, .15); color: var(--danger); }
.badge.wait { background: rgba(227, 179, 65, .15); color: var(--warn); }

/* ---------------------------------------------------------------- layout */
.tab-panel { padding: 20px; max-width: 1100px; margin: 0 auto; }
#tab-atendimentos { max-width: 1400px; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}
.card h2 { margin: 0 0 6px; font-size: 17px; }

.grid.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.stat { text-align: center; padding: 16px; margin: 0; }
.stat span { display: block; font-size: 28px; font-weight: 700; }
.stat small { color: var(--muted); }
.stat.alerta span { color: var(--warn); }

.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 14px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* --------------------------------------------------------------- inputs */
input, select, textarea, .btn { font-family: inherit; font-size: 14px; }

input:not([type=checkbox]), select, textarea {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--txt);
  border-radius: 8px;
  padding: 10px 12px;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { min-height: 190px; resize: vertical; line-height: 1.55; font-size: 14px; }

label { display: block; margin-bottom: 16px; font-size: 14px; }
label > input, label > select { margin-top: 6px; }
label.check { display: flex; align-items: center; gap: 8px; }
label.check input { width: auto; }

.btn {
  background: var(--panel-2); color: var(--txt);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 16px; cursor: pointer;
}
.btn:hover { border-color: #3a434f; }
.btn.primary { background: var(--accent); color: #06240f; border-color: var(--accent); font-weight: 600; }
.btn.primary:hover { background: var(--accent-2); }
.btn.danger { color: var(--danger); }
.btn.ghost { background: none; }

/* ------------------------------------------------------------------- qr */
.qr-area { display: grid; place-items: center; min-height: 40px; margin: 16px 0; }
.qr-area img { width: 260px; height: 260px; background: #fff; padding: 10px; border-radius: 10px; }

/* ----------------------------------------------------------------- chat */
.chat {
  display: grid; grid-template-columns: 320px 1fr; gap: 16px;
  height: calc(100vh - 110px);
}
.lista, .thread {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column;
}
.lista-head { padding: 10px; border-bottom: 1px solid var(--line); }
#conversas { overflow-y: auto; flex: 1; }

.conversa {
  padding: 12px 14px; border-bottom: 1px solid var(--line); cursor: pointer;
}
.conversa:hover { background: var(--panel-2); }
.conversa.sel { background: var(--panel-2); border-left: 3px solid var(--accent); }
.conversa b { display: block; font-size: 14px; margin-bottom: 2px; }
.conversa p {
  margin: 0; font-size: 13px; color: var(--muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.tag { font-size: 11px; padding: 2px 6px; border-radius: 4px; margin-left: 6px; }
.tag.humano { background: rgba(227,179,65,.18); color: var(--warn); }
.tag.pausado { background: rgba(139,149,163,.18); color: var(--muted); }

.thread-head {
  padding: 12px 16px; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.mensagens { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 8px; }

.msg { max-width: 72%; padding: 9px 13px; border-radius: 12px; font-size: 14px; white-space: pre-wrap; line-height: 1.45; }
.msg.cliente { background: var(--panel-2); align-self: flex-start; border-bottom-left-radius: 3px; }
.msg.bot { background: #12492a; align-self: flex-end; border-bottom-right-radius: 3px; }
.msg.humano { background: #1f3d5c; align-self: flex-end; border-bottom-right-radius: 3px; }
.msg.sistema { background: none; border: 1px dashed var(--line); color: var(--muted); align-self: center; font-size: 12px; max-width: 90%; }
.msg time { display: block; font-size: 11px; opacity: .55; margin-top: 4px; }

.envio { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--line); }

/* --------------------------------------------------------- treinamento */
.bloco-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.bloco-head h3 { margin: 0 0 4px; font-size: 15px; }
.sticky-save {
  position: sticky; bottom: 0; background: var(--bg);
  padding: 12px 0; border-top: 1px solid var(--line); margin-top: 0;
}

@media (max-width: 860px) {
  .chat { grid-template-columns: 1fr; height: auto; }
  #conversas { max-height: 300px; }
  .mensagens { height: 50vh; }
  .row2 { grid-template-columns: 1fr; }
}

/* seletor de agente no cabeçalho */
#seletorAgente {
  width: auto; min-width: 190px; max-width: 260px;
  padding: 7px 10px; font-weight: 600;
}

/* tabela de preços */
table.precos { width: 100%; border-collapse: collapse; font-size: 14px; }
table.precos th {
  text-align: left; color: var(--muted); font-weight: 500;
  font-size: 12px; padding: 6px 8px; white-space: nowrap;
}
table.precos td { padding: 4px 8px; border-top: 1px solid var(--line); }
table.precos td input { padding: 7px 9px; }
table.precos td:first-child { font-family: ui-monospace, monospace; font-size: 13px; white-space: nowrap; }