* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", sans-serif;
  background: #f8f9fc;
}

.admin-container {
  display: flex;
  height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 250px;
  background-color: #0c1f45;
  color: white;
  padding: 30px 20px;
}

.sidebar .logo {
  text-align: center;
  margin-bottom: 40px;
  margin-top: 20px;
}

.sidebar .logo img {
  width: 90px;
  display: block;
  margin: 0 auto 10px auto;
}

.sidebar .logo h3 {
  font-size: 16px;
  margin-top: 5px;
}

.sidebar ul {
  margin-top: 30px;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar ul li a {
  color: white;
  text-decoration: none;
  display: block;
  width: 100%;
  transition: color 0.2s;
}

.sidebar ul li a:hover {
  color: #00bcd4;
}

.sidebar ul li.active a {
  color: #00bcd4;
  font-weight: bold;
}

/* Dashboard */
.dashboard {
  flex: 1;
  padding: 30px;
  overflow-y: auto;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 {
  font-size: 24px;
}

header input {
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 5px;
  width: 200px;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.card {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  text-align: center;
}

.card h3 {
  color: #0c1f45;
  margin-bottom: 5px;
}

/* Charts */
.charts {
  display: flex;
  gap: 20px;
}

.chart-box {
  flex: 1;
  background: white;
  padding: 20px;
  border-radius: 8px;
}

/* User Table */
.user-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  margin-top: 30px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1); /* stronger shadow */
  border: 1px solid #ccc; /* added visible border */
}

.user-table th,
.user-table td {
  padding: 12px 15px;
  border: 1px solid #ccc;
  text-align: left;
}

.user-table th {
  background-color: #0c1f45;
  color: white;
  text-transform: uppercase;
  font-size: 13px;
}

.user-table tr:nth-child(even) {
  background-color: #f2f2f2;
}

.user-table tr:hover {
  background-color: #e8f0fe;
}

/* Search Form */
.search-form {
  margin-top: 20px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.search-form input[type="text"] {
  padding: 10px 14px;
  border: 1px solid #0c1f45;
  border-radius: 5px;
  width: 250px;
  outline: none;
}

.search-form button {
  padding: 10px 16px;
  background-color: #0c1f45;
  color: white;
  border: 1px solid #0c1f45;
  border-radius: 5px;
  cursor: pointer;
  font-weight: bold;
  transition: background 0.3s ease, transform 0.2s ease;
}

.search-form button:hover {
  background-color: #005b99;
  border-color: #005b99;
  transform: scale(1.03);
}

/* Transaction Table (inherits user-table) */
.transaction-table {
  width: 100%;
  border-collapse: collapse;
  background-color: white;
  margin-top: 30px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
  border: 1px solid #ccc;
  font-size: 14px;
}

.transaction-table th,
.transaction-table td {
  padding: 14px 16px;
  border: 1px solid #ddd;
  text-align: left;
}

.transaction-table th {
  background-color: #0c1f45;
  color: white;
  text-transform: uppercase;
  font-size: 13px;
}

.transaction-table tr:nth-child(even) {
  background-color: #f9f9f9;
}

.transaction-table tr:hover {
  background-color: #e7f3ff;
  transition: background 0.2s ease;
}

.transaction-table td.status {
  font-weight: bold;
  text-transform: capitalize;
}

.transaction-table td.status.pending {
  color: #ff9800;
}

.transaction-table td.status.paid {
  color: #2196f3;
}

.transaction-table td.status.completed {
  color: #4caf50;
}

.transaction-table td.status.cancelled {
  color: #f44336;
}