* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5f5f0;
  color: #1f2933;
}

.app-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.hero-card {
  width: 100%;
  max-width: 1100px;
  background: white;
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

.brand-row {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 18px;
}

.brand-mark {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1f2933;
  color: #f4c542;
  font-weight: 800;
  letter-spacing: 1px;
}

.eyebrow {
  margin: 0;
  color: #8a6d1d;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 13px;
}

h1 {
  margin: 4px 0 0;
  font-size: 34px;
}

.intro {
  max-width: 780px;
  font-size: 16px;
  line-height: 1.6;
  color: #4b5563;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 28px 0;
}

.status-card {
  background: #faf7ed;
  border: 1px solid #e6d7a8;
  border-radius: 16px;
  padding: 18px;
}

.status-card span {
  display: block;
  font-size: 13px;
  color: #5f6b7a;
  margin-bottom: 8px;
}

.status-card strong {
  display: block;
  font-size: 20px;
}

.action-panel {
  margin: 20px 0 30px;
}

button {
  background: #1f2933;
  color: white;
  border: none;
  border-radius: 12px;
  padding: 14px 22px;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  opacity: 0.9;
}

#message {
  font-weight: bold;
  margin-top: 18px;
  color: #166534;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.module-card {
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  padding: 18px;
  background: #ffffff;
}

.module-card h2 {
  margin: 0 0 10px;
  font-size: 18px;
}

.module-card p {
  margin: 0;
  color: #4b5563;
  line-height: 1.5;
  font-size: 14px;
}

@media (max-width: 900px) {
  .status-grid,
  .module-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .app-shell {
    padding: 14px;
  }

  .hero-card {
    padding: 22px;
    border-radius: 18px;
  }

  .brand-row {
    align-items: flex-start;
  }

  .brand-mark {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    font-size: 14px;
  }

  h1 {
    font-size: 26px;
  }

  .status-grid,
  .module-grid {
    grid-template-columns: 1fr;
  }
}