:root {
  --verde: #1f6f43;
  --verde-esc: #0f2e1e;
  --verde-claro: #5fd08a;
  --bg: #f4f6f4;
  --card: #ffffff;
  --texto: #14231b;
  --cinza: #6b7a70;
  --borda: #d5ddd7;
  --erro: #c0392b;
  --amarelo: #e0a416;
  --raio: 14px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--texto);
  font-size: 17px;
  padding-bottom: env(safe-area-inset-bottom);
}

/* Topbar */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  background: var(--verde); color: #fff;
  padding: 12px 16px; padding-top: calc(12px + env(safe-area-inset-top));
  box-shadow: 0 2px 6px rgba(0,0,0,.15);
}
.topbar-left { display: flex; align-items: center; gap: 8px; font-size: 18px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.logo { font-size: 22px; }
.oper-btn {
  background: rgba(255,255,255,.18); color: #fff; border: 0;
  padding: 8px 12px; border-radius: 999px; font-size: 15px; font-weight: 600;
}
.pill {
  min-width: 12px; height: 12px; border-radius: 999px; background: #9aa; font-size: 0;
  display: inline-block;
}
.pill.online { background: #5fd08a; }
.pill.offline { background: var(--amarelo); }

main { padding: 16px; max-width: 640px; margin: 0 auto; }

h1 { font-size: 22px; margin: 4px 0 16px; }
h2 { font-size: 16px; color: var(--verde); margin: 22px 0 10px; text-transform: uppercase; letter-spacing: .5px; }

/* Botões grandes */
.btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; padding: 18px; border: 0; border-radius: var(--raio);
  background: var(--verde); color: #fff; font-size: 18px; font-weight: 700;
  cursor: pointer;
}
.btn:active { transform: scale(.99); }
.btn.secundario { background: #fff; color: var(--verde); border: 2px solid var(--verde); }
.btn.cinza { background: #eceeec; color: var(--texto); }
.btn:disabled { opacity: .5; }

.grid { display: grid; gap: 12px; }

/* Cards de menu */
.menu-card {
  display: flex; align-items: center; gap: 16px;
  background: var(--card); border: 1px solid var(--borda); border-radius: var(--raio);
  padding: 20px; text-align: left; width: 100%; cursor: pointer;
}
.menu-card .ico { font-size: 34px; }
.menu-card .txt strong { font-size: 18px; display: block; }
.menu-card .txt small { color: var(--cinza); }

/* Lista de operadores */
.oper-lista { display: grid; gap: 12px; margin-top: 8px; }
.oper-item {
  background: var(--card); border: 2px solid var(--borda); border-radius: var(--raio);
  padding: 20px; font-size: 20px; font-weight: 700; text-align: center; cursor: pointer;
}
.oper-item:active { border-color: var(--verde); }

/* Formulário */
.secao {
  background: var(--card); border: 1px solid var(--borda); border-radius: var(--raio);
  padding: 14px 16px; margin-bottom: 14px;
}
.secao h2 { margin-top: 4px; }
.campo { margin-bottom: 14px; }
.campo:last-child { margin-bottom: 4px; }
.campo label { display: block; font-size: 15px; color: var(--cinza); margin-bottom: 6px; font-weight: 600; }
.campo .req { color: var(--erro); }
.campo-input { display: flex; align-items: center; gap: 8px; }
.campo input {
  width: 100%; padding: 14px; font-size: 18px;
  border: 2px solid var(--borda); border-radius: 10px; background: #fff; color: var(--texto);
}
.campo input:focus { outline: none; border-color: var(--verde-claro); }
.campo input.invalido { border-color: var(--erro); }
.campo .unidade { color: var(--cinza); font-weight: 700; min-width: 34px; }

.acoes { position: sticky; bottom: 0; padding: 12px 0; background: linear-gradient(transparent, var(--bg) 30%); }
.acoes .btn { box-shadow: 0 4px 12px rgba(0,0,0,.18); }

.voltar { background: none; border: 0; color: var(--verde); font-size: 16px; font-weight: 700; padding: 4px 0; margin-bottom: 8px; cursor: pointer; }

/* Registros */
.reg-item {
  background: var(--card); border: 1px solid var(--borda); border-radius: var(--raio);
  padding: 12px 14px; margin-bottom: 10px;
}
.reg-item .cab { display: flex; justify-content: space-between; font-size: 14px; color: var(--cinza); }
.reg-item .cab b { color: var(--verde); }
.reg-item .campos { margin-top: 6px; font-size: 15px; display: flex; flex-wrap: wrap; gap: 4px 14px; }
.reg-item .campos span b { font-weight: 700; }
.pend { border-left: 4px solid var(--amarelo); }

.vazio { text-align: center; color: var(--cinza); padding: 40px 0; }

/* Aviso de pendências */
.aviso-pend {
  background: #fff7e0; border: 1px solid var(--amarelo); color: #7a5c00;
  padding: 12px 14px; border-radius: 10px; margin-bottom: 14px; font-size: 15px;
  display: flex; align-items: center; gap: 10px;
}

/* Toast */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: var(--verde-esc); color: #fff; padding: 14px 20px; border-radius: 999px;
  font-size: 16px; font-weight: 600; z-index: 100; box-shadow: 0 6px 18px rgba(0,0,0,.3);
  max-width: 90%;
}
.toast.erro { background: var(--erro); }

.link-linha { display:flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.link-linha a, .link-linha button { flex: 1; }
a.btn { text-decoration: none; }