body {
        background: linear-gradient(135deg, #f3f4f6, #e0e7ff);
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        padding-top: 80px;
}
.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
    color: #2563eb !important;
}
        .profile-icon {
            width: 40px;
            height: 40px;
            cursor: pointer;
        }
        .popover-menu {
            display: none;
            position: absolute;
            top: 50px;
            right: 0;
            background: white;
            border: 1px solid #ddd;
            border-radius: 8px;
            padding: 10px;
            width: 180px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            z-index: 1000;
        }
        .popover-menu a {
            display: block;
            padding: 6px;
            color: #333;
            text-decoration: none;
            font-size: 14px;
            border-radius: 4px;
        }
        .popover-menu a:hover {
            background-color: #f3f4f6;
        }
        .logout-btn {
            background-color: #ef4444;
            color: white;
            padding: 8px 12px;
            display: block;
            text-align: center;
            border-radius: 4px;
            font-weight: 500;
            text-decoration: none;
        }
        .logout-btn:hover {
            background-color: #dc2626;
        }
        .card {
            border: none;
            border-radius: 12px;
        }
        .btn-success {
            background-color: #16a34a;
            border: none;
        }
        .btn-success:hover {
            background-color: #15803d;
        }
        /* Background & Center Alignment */
section.py-5 {
    background: linear-gradient(135deg, #f0fdf4, #d1fae5);
    min-height: 50vh;
    margin-right: 200px;
    margin-left: 200px;
    display: flex;
    border: solid;
    border-color: #d0f7e3ff;
    align-items: center;
}

/* Card Styling */
.card {
    border: none;
    border-radius: 15px;
    background: #ffffff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
}

/* Form Inputs */
.card .form-control {
    border-radius: 10px;
    border: 1px solid #d1d5db;
    padding: 10px 14px;
    font-size: 15px;
}

.card .form-control:focus {
    border-color: #10b981;
    box-shadow: 0 0 0 0.15rem rgba(16, 185, 129, 0.25);
}

/* Submit Button */
.card .btn-success {
    background: linear-gradient(90deg, #10b981, #059669);
    border: none;
    font-weight: 500;
    border-radius: 10px;
    padding: 10px;
    font-size: 16px;
}

.card .btn-success:hover {
    background: linear-gradient(90deg, #059669, #047857);
}

/* Heading */
.card h5 {
    font-weight: 600;
    margin-left: 30px;
    color: #047857;
}

/* Image */
.col-lg-5 img {
    filter: drop-shadow(0 3px 7px rgba(0,0,0,0.1));
    animation: float 3s ease-in-out infinite;
}