body {
  background-color: #f4f5f2;
}

/* login */
.login-page {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

.login-box {
  width: 100%;
  max-width: 360px;
  text-align: center;
}

.login-box label,
.login-box input,
.login-box .rule {
  text-align: left;
}

.login-logo {
  width: 160px;
  margin-bottom: 10px;
}

/* sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 220px;
  height: 100%;
  background: white;
  border-right: 1px solid #e2e2e2;
  padding: 15px;
  overflow-y: auto;
}

.side-logo {
  width: 140px;
  display: block;
  margin: 0 auto 20px;
}

.sidebar button {
  display: block;
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 4px;
  border: none;
  border-radius: 6px;
  background: none;
  font-family: inherit;
  font-size: 15px;
  text-align: left;
  color: #444;
  cursor: pointer;
}

.sidebar button:hover {
  background: #f4f5f2;
}

.sidebar button.active {
  background: #3F5523;
  color: white;
}

.sidebar .logout {
  margin-top: 20px;
  border: 1px solid #ccc;
  text-align: center;
}

.count {
  background: #d43f55;
  color: white;
  border-radius: 10px;
  padding: 0 7px;
  font-size: 12px;
}

.count:empty {
  display: none;
}

.main {
  margin-left: 220px;
  padding: 25px;
}

.main h1 {
  font-size: 26px;
}

/* stat boxes */
.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 15px;
}

.stat {
  flex: 1;
  min-width: 150px;
  background: white;
  border-radius: 10px;
  padding: 15px;
  border-left: 5px solid #3F5523;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.stat p {
  margin: 0;
  color: #777;
  font-size: 14px;
}

.stat h2 {
  margin: 5px 0 0;
}

.machine select {
  max-width: 200px;
}

.filter {
  max-width: 250px;
}

tr.read {
  color: #999;
}

.item-value {
  max-width: 120px;
  margin: 0;
}

/* smaller screens */
@media (max-width: 800px) {
  .sidebar {
    position: static;
    width: 100%;
    height: auto;
  }

  .main {
    margin-left: 0;
  }

  .card {
    overflow-x: auto;
  }
}