:root {
  --cor-primaria: #25d366;
  --cor-primaria-escura: #128c7e;
  --cor-fundo: #f0f2f5;
  --cor-card: #ffffff;
  --cor-texto: #111b21;
  --cor-texto-fraco: #667781;
  --cor-borda: #e9edef;
  --cor-perigo: #ea2828;
  --cor-aviso: #f7a800;
  --raio: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--cor-fundo);
  color: var(--cor-texto);
  font-size: 14px;
}

/* ── Nav ── */
nav {
  background: var(--cor-primaria-escura);
  color: #fff;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
}

nav .logo {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

nav a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 14px;
}
nav a:hover { color: #fff; }

nav .status-badge {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}
.dot.pronto { background: #4ade80; }
.dot.conectando { background: var(--cor-aviso); }
.dot.qr, .dot.desconectado { background: var(--cor-perigo); }

/* ── Layout ── */
.container {
  max-width: 860px;
  margin: 32px auto;
  padding: 0 16px;
}

h1 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 20px;
}

/* ── Card ── */
.card {
  background: var(--cor-card);
  border: 1px solid var(--cor-borda);
  border-radius: var(--raio);
  padding: 24px;
  margin-bottom: 16px;
}

/* ── Botões ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--raio);
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: opacity .15s;
}
.btn:hover { opacity: .85; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-primario { background: var(--cor-primaria); color: #fff; }
.btn-secundario { background: var(--cor-fundo); color: var(--cor-texto); border: 1px solid var(--cor-borda); }
.btn-perigo { background: var(--cor-perigo); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }

/* ── Formulário ── */
.form-grupo {
  margin-bottom: 16px;
}
label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--cor-texto-fraco);
}
input[type=text],
input[type=datetime-local],
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--cor-borda);
  border-radius: var(--raio);
  font-size: 14px;
  color: var(--cor-texto);
  background: #fff;
  outline: none;
  transition: border-color .15s;
}
input:focus, textarea:focus {
  border-color: var(--cor-primaria);
}
textarea { resize: vertical; min-height: 80px; }

.form-acoes {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

/* ── Autocomplete ── */
.autocomplete-wrapper { position: relative; }
.autocomplete-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid var(--cor-borda);
  border-radius: var(--raio);
  max-height: 200px;
  overflow-y: auto;
  z-index: 200;
  box-shadow: 0 4px 12px rgba(0,0,0,.1);
}
.autocomplete-item {
  padding: 10px 14px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.autocomplete-item:hover { background: var(--cor-fundo); }
.autocomplete-item small { color: var(--cor-texto-fraco); font-size: 12px; }

/* ── Tabela ── */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th {
  text-align: left;
  padding: 10px 12px;
  color: var(--cor-texto-fraco);
  font-weight: 500;
  border-bottom: 1px solid var(--cor-borda);
}
td {
  padding: 12px;
  border-bottom: 1px solid var(--cor-borda);
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }

.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}
.badge-pendente { background: #fff3cd; color: #856404; }
.badge-enviado  { background: #d1fae5; color: #065f46; }
.badge-falhou   { background: #fee2e2; color: #991b1b; }
.badge-cancelado{ background: #f1f5f9; color: #64748b; }

.acoes { display: flex; gap: 6px; }

.vazio {
  text-align: center;
  padding: 40px;
  color: var(--cor-texto-fraco);
}

/* ── QR Code ── */
.qr-wrap {
  text-align: center;
  padding: 32px;
}
.qr-wrap img {
  max-width: 260px;
  border: 8px solid #fff;
  border-radius: var(--raio);
  box-shadow: 0 2px 12px rgba(0,0,0,.12);
}
.qr-wrap p {
  margin-top: 16px;
  color: var(--cor-texto-fraco);
  font-size: 13px;
  line-height: 1.5;
}

/* ── Alerta ── */
.alerta {
  padding: 12px 16px;
  border-radius: var(--raio);
  margin-bottom: 16px;
  font-size: 13px;
}
.alerta-erro { background: #fee2e2; color: #991b1b; }
.alerta-sucesso { background: #d1fae5; color: #065f46; }