* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f1f4f8;
  color: #263445;
}

.topbar {
  background: #17365d;
  color: white;
  padding: 22px 5%;
}

.topbar h1 {
  margin: 0 0 6px;
  font-size: 25px;
}

.topbar p {
  margin: 0;
  color: #dce6f2;
}

.container {
  width: min(1100px, 94%);
  margin: 25px auto;
}

.panel {
  background: white;
  padding: 22px;
  margin-bottom: 22px;
  border-radius: 10px;
  box-shadow: 0 2px 9px rgba(0,0,0,.07);
}

h2 {
  margin-top: 0;
  color: #17365d;
}

label {
  display: block;
  margin: 12px 0 6px;
  font-weight: bold;
}

input, textarea {
  width: 100%;
  padding: 12px;
  margin: 5px 0 12px;
  border: 1px solid #ccd5df;
  border-radius: 6px;
  font-size: 15px;
}

textarea {
  min-height: 85px;
  resize: vertical;
}

button {
  background: #1769aa;
  color: white;
  border: 0;
  border-radius: 6px;
  padding: 12px 18px;
  cursor: pointer;
  font-size: 15px;
  font-weight: bold;
}

button:hover {
  background: #105487;
}

button.secondary {
  background: #66788a;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  margin-bottom: 22px;
}

.stat-card {
  background: white;
  padding: 20px;
  border-radius: 9px;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}

.stat-card span {
  display: block;
  color: #66788a;
  margin-bottom: 8px;
}

.stat-card strong {
  font-size: 28px;
  color: #17365d;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 14px;
}

.message {
  color: #1769aa;
  margin-top: 12px;
}

.machine-card {
  border: 1px solid #dce3eb;
  border-radius: 8px;
  padding: 15px;
  margin: 12px 0;
}

.machine-card h3 {
  margin: 0 0 8px;
  color: #17365d;
}

.machine-card p {
  margin: 5px 0;
}

.machine-card button {
  margin-top: 10px;
}

[hidden] {
  display: none !important;
}

@media (max-width: 650px) {
  .stats {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .topbar h1 {
    font-size: 21px;
  }

  .panel {
    padding: 16px;
  }
}