body {
    background: #f4f6f9;
    font-family: 'Segoe UI', sans-serif;
}

/* Navbar */
.navbar {
    background: #1e293b;
    padding: 10px;
}
.navbar a {
    color: white;
    margin-right: 15px;
    text-decoration: none;
    font-weight: 500;
}

/* Cards */
.card {
    border-radius: 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: 0.3s;
}
.card:hover {
    transform: scale(1.05);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(45deg, #3b82f6, #06b6d4);
    border: none;
}
.btn-primary:hover {
    background: linear-gradient(45deg, #2563eb, #0891b2);
}

/* Table */
.table {
    background: white;
    border-radius: 10px;
    overflow: hidden;
}
.table th {
    background: #1e293b;
    color: white;
}

/* Status badges */
.badge {
    padding: 6px 10px;
    font-size: 12px;
}

/* Overdue highlight */
.text-danger {
    font-weight: bold;
}

/* Form styling */
form {
    background: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.action-btn {
    height: 40px;
    min-width: 80px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
}

form {
    margin: 0;
    padding: 0;
    background: none;
    box-shadow: none;
}