body {
  background: #1e1e2f;
  color: #fff;
  font-family: Arial, sans-serif;
  padding: 20px;
}

h1 {
  margin-bottom: 20px;
  font-size: 22px;
  font-weight: bold;
}

.search-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.search-bar input {
  padding: 10px;
  border-radius: 6px;
  border: 1px solid #444;
  background: #2a2a3c;
  color: #fff;
}

.search-bar input::placeholder {
  color: #aaa;
}

.search-bar button {
  padding: 10px 15px;
  border: none;
  border-radius: 6px;
  background: #3a82f7;
  color: #fff;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.2s;
}

.search-bar button:hover {
  background: #306ad1;
}

#info {
  font-size: 14px;
  margin-bottom: 10px;
  color: #bbb;
}

.stat-box {
  margin: 10px 0 20px;
  padding: 10px 15px;
  background: #2f3136;
  border-left: 4px solid #3a82f7;
  border-radius: 6px;
  color: #fff;
  font-size: 15px;
}

/* Bảng hóa đơn */
table {
  width: 100%;
  border-collapse: collapse;
  background: #2a2a3c;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0,0,0,0.4);
}

thead {
  background: #202225;
}

thead th {
  text-align: left;
  padding: 12px 15px;
  font-size: 14px;
  color: #ccc;
  border-bottom: 1px solid #333;
}

tbody tr {
  border-bottom: 1px solid #333;
  transition: background 0.2s;
}

tbody tr:hover {
  background: #36393f;
}

tbody td {
  padding: 12px 15px;
  font-size: 14px;
  color: #eee;
}
.dashboard {
  display: flex;
  gap: 20px;
}

.left {
  flex: 7;
}

.right {
  flex: 3;
  background: #2a2a3c;
  border-radius: 8px;
  padding: 10px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.4);
}

.right canvas {
  width: 100% !important;
  height: 300px !important;
}
.footer {
  background: linear-gradient(90deg, #1a1a1a, #2a2a3c);
  color: #bbb;
  text-align: center;
  padding: 15px 0;
  font-size: 14px;
  font-weight: 500;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  border-top: 1px solid #3a3a3a;
  box-shadow: 0 -2px 5px rgba(0,0,0,0.5);
  letter-spacing: 0.5px;
}

.footer span {
  color: #3a82f7; /* màu xanh nổi bật */
  font-weight: bold;
  transition: color 0.3s, text-shadow 0.3s;
}

.footer span:hover {
  color: #5fa0ff;
  text-shadow: 0 0 8px #3a82f7;
}

.stats {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
}

.stat-card {
  flex: 1;
  background: #2a2a3c;
  border-radius: 10px;
  padding: 15px;
  text-align: center;
  box-shadow: 0 2px 5px rgba(0,0,0,0.4);
}

.stat-card h3 {
  font-size: 24px;
  margin: 0;
  color: #3a82f7;
}

.stat-card p {
  margin: 5px 0 0;
  font-size: 14px;
  color: #bbb;
}

.chart-box {
  margin-bottom: 20px;
  background: #2a2a3c;
  border-radius: 8px;
  padding: 10px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.4);
}