body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #121212;
    color: #e0e0e0;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 220px;
    height: 100%;
    background-color: #1e1e1e;
    padding-top: 20px;
    box-shadow: 2px 0 5px rgba(0,0,0,0.3);
}

.sidebar h2 {
    color: #00ff88;
    text-align: center;
}

.sidebar h2 a {
    color: inherit;
    text-decoration: none;
}

.sidebar ul {
    list-style: none;
    padding: 0;
    margin-top: 30px;
}

.sidebar ul li {
    padding: 10px 20px;
}

.sidebar ul li a {
    color: #e0e0e0;
    text-decoration: none;
    display: block;
    transition: all 0.3s ease;
}

.sidebar ul li a:hover {
    background-color: #00ff88;
    color: #121212;
    border-radius: 4px;
}

/* Topbar */
.topbar {
    position: fixed;
    top: 0;
    left: 220px;
    right: 0;
    height: 60px;
    background-color: #2a2a2a;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.topbar-right h3 {
    color: #00ff88;
    text-align: right;
}

/* Main Content */
.main-content {
    margin-left: 220px;
    margin-top: 80px;
    padding: 20px;
}

.main-content h2 {
    color: #00ff88;
}

/* Table Styling */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background-color: #1e1e1e;
    border-radius: 6px;
    overflow: hidden;
}

th, td {
    padding: 12px 15px;
    text-align: left;
}

th {
    background-color: #00ff88;
    color: #121212;
}

tr:nth-child(even) {
    background-color: #2a2a2a;
}

tr:hover {
    background-color: #00ff8855;
}

/* Dashboard Buttons */
.dashboard-buttons {
    display: grid;
    grid-template-columns: auto auto;
    gap: 20px;
}

.dash-btn {
    background-color: #1e1e1e;
    border: 2px solid #00ff88;
    border-radius: 12px;
    text-align: center;
    padding: 30px 10px;
    text-decoration: none;
    color: #e0e0e0;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.dash-btn img {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
    filter: brightness(0) saturate(100%) invert(66%) sepia(98%) saturate(514%) hue-rotate(90deg) brightness(100%) contrast(101%);
}

.dash-btn span {
    font-size: 1.1em;
    font-weight: bold;
}

.dash-btn:hover {
    background-color: #00ff88;
    color: #121212;
    transform: translateY(-3px);
    box-shadow: 0 4px 10px rgba(0,255,136,0.4);
}

.dash-btn:hover img {
    filter: brightness(0) invert(0);
}

.form-btn-simple {
  background-color: #1e1e1e;
  border: 2px solid #00ff88;
  border-radius: 12px;
  padding: 10px 20px;
  color: #e0e0e0;
  font-size: 1.1em;
  font-weight: bold;
  transition: all 0.3s ease;
  cursor: pointer;
}

.form-btn-simple:hover {
  background-color: #00ff88;
  color: #121212;
  transform: translateY(-3px);
  box-shadow: 0 4px 10px rgba(0,255,136,0.4);
}

h4 {
  margin-bottom: 10px;
}