:root {
  --green: #305a40;
  --ink: #1c1c1c;
  --muted: #5c6560;
  --line: #e4e7e4;
  --bg: #f3f5f3;
  --card: #ffffff;
  --ok: #1f7a45;
  --ok-bg: #e7f6ee;
  --warn: #8a5a00;
  --warn-bg: #fff6e5;
  --bad: #9b2c2c;
  --bad-bg: #fdecec;
  --wait: #3d4f63;
  --wait-bg: #eef2f6;
  --shadow: 0 16px 40px rgba(28, 40, 32, 0.08);
  --radius: 22px;
  --font: "Inter", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body {
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(720px 320px at 50% -8%, #e4efe8 0%, transparent 70%),
    var(--bg);
}

.shell {
  width: min(460px, calc(100% - 1.5rem));
  margin: 0 auto;
  padding: 1.15rem 0 2.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 1rem;
}

.brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.brand-title, .brand-sub { margin: 0; }
.brand-title { font-weight: 700; letter-spacing: -0.02em; }
.brand-sub { color: var(--muted); font-size: 0.82rem; }

.card, .hero, .facts {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.login-card, .teste-card { padding: 1.25rem; }

h1 {
  margin: 0;
  letter-spacing: -0.04em;
  font-size: 1.55rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 10vw, 3.1rem);
  line-height: 1;
}

.lead, .detalhe {
  margin: 0.5rem 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.hero {
  padding: 1.4rem 1.25rem 1.35rem;
  background: var(--bad-bg);
  border-color: transparent;
}

.hero[data-estado="ativo"] { background: var(--ok-bg); }
.hero[data-estado="pausado"] { background: var(--warn-bg); }
.hero[data-estado="conectando"] { background: var(--wait-bg); }

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.estado-mark {
  width: 18px;
  height: 18px;
  margin-bottom: 0.7rem;
  border-radius: 50%;
  background: var(--bad);
  box-shadow: 0 0 0 8px rgba(155, 44, 44, 0.12);
}

.hero[data-estado="ativo"] .estado-mark { background: var(--ok); box-shadow: 0 0 0 8px rgba(31, 122, 69, 0.14); }
.hero[data-estado="pausado"] .estado-mark { background: var(--warn); box-shadow: 0 0 0 8px rgba(138, 90, 0, 0.14); }
.hero[data-estado="conectando"] .estado-mark { background: var(--wait); box-shadow: 0 0 0 8px rgba(61, 79, 99, 0.14); }

.hero[data-estado="ativo"] h1 { color: var(--ok); }
.hero[data-estado="pausado"] h1 { color: var(--warn); }
.hero[data-estado="indisponivel"] h1 { color: var(--bad); }
.hero[data-estado="conectando"] h1 { color: var(--wait); }

.facts {
  display: grid;
  margin: 0.85rem 0 0;
  padding: 0.2rem 1rem;
  box-shadow: none;
}

.facts div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--line);
}

.facts div:first-child { border-top: 0; }

.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-weight: 600; }

.atualizado {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
}

label {
  display: block;
  margin: 0.9rem 0 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

input, textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fafbfa;
  border-radius: 14px;
  padding: 0.9rem 0.95rem;
  font: inherit;
  font-size: 1rem;
  color: var(--ink);
}

textarea { resize: vertical; min-height: 7.5rem; }

input:focus, textarea:focus {
  outline: 2px solid rgba(48, 90, 64, 0.28);
  border-color: var(--green);
  background: #fff;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 52px;
  margin-top: 0.75rem;
  border-radius: 14px;
  border: 1px solid transparent;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.btn-cta { margin-top: 1.1rem; }

.btn-primary { background: var(--green); color: #fff; }
.btn-primary:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-ghost { background: transparent; color: var(--muted); border-color: var(--line); }

.alert, .resultado {
  margin: 0.85rem 0 0;
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  line-height: 1.4;
  font-size: 0.92rem;
}

.alert, .resultado.erro { background: var(--bad-bg); color: var(--bad); }
.resultado.ok { background: var(--ok-bg); color: var(--ok); }

.hidden { display: none !important; }

.voltar {
  display: inline-flex;
  margin-bottom: 0.75rem;
  color: var(--green);
  font-weight: 600;
  text-decoration: none;
}

.foot {
  margin: 1rem 0 0;
  text-align: center;
  font-size: 0.9rem;
}

.foot a {
  color: var(--green);
  font-weight: 600;
  text-decoration: none;
}

@media (min-width: 800px) {
  .shell { padding-top: 2.5rem; }
  .login-card { margin-top: 8vh; }
}