/* ============================================================
   นครพนม บีฟ (ไทยแลนด์) จำกัด - โทนสี แดง-ขาว
   ============================================================ */

:root {
  --npb-red: #c8102e;
  --npb-red-dark: #a00d26;
  --npb-red-light: #f7d3d9;
  --npb-gold: #d4a017;
}

body {
  background-color: #fff;
  color: #333;
  font-family: 'Kanit', 'Sarabun', 'Segoe UI', Tahoma, sans-serif;
}

/* ---------- Navbar ---------- */
.npb-navbar {
  background: linear-gradient(90deg, var(--npb-red), var(--npb-red-dark));
}
.npb-navbar .navbar-brand {
  color: #fff;
  font-weight: 700;
}
.npb-navbar .nav-link {
  color: #fff !important;
  opacity: .9;
}
.npb-navbar .nav-link:hover {
  opacity: 1;
}

/* ---------- Hero / Landing ---------- */
.hero {
  background:
    linear-gradient(rgba(200, 16, 46, .88), rgba(160, 13, 38, .92)),
    url('https://placehold.co/1600x900/ffffff/ffffff') center/cover;
  color: #fff;
  padding: 6rem 1rem;
  text-align: center;
}
.hero h1 {
  font-weight: 800;
  font-size: 2.6rem;
}
.hero .lead {
  font-size: 1.2rem;
  opacity: .95;
}
.btn-outline-white {
  border: 2px solid #fff;
  color: #fff;
}
.btn-outline-white:hover {
  background: #fff;
  color: var(--npb-red);
}

/* ---------- Cards ---------- */
.card {
  border: 1px solid #eee;
  border-radius: .75rem;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.card-header.npb {
  background: var(--npb-red);
  color: #fff;
  font-weight: 700;
}

/* ---------- Status badges ---------- */
.status-normal {
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #a5d6a7;
}
.status-alert {
  background: var(--npb-red-light);
  color: var(--npb-red-dark);
  border: 1px solid var(--npb-red);
}

/* ---------- Temp display ---------- */
.temp-big {
  font-size: 2.2rem;
  font-weight: 800;
}

/* ---------- Login ---------- */
.login-card {
  max-width: 420px;
  margin: 0 auto;
}
.pin-input {
  font-size: 2rem;
  text-align: center;
  letter-spacing: .6rem;
  font-weight: 700;
}

/* ---------- Tables ---------- */
.table thead th {
  background: var(--npb-red);
  color: #fff;
  border: none;
}

/* ---------- Footer ---------- */
.npb-footer {
  background: var(--npb-red-dark);
  color: #fff;
  padding: 1.2rem 0;
  margin-top: 3rem;
}