body {
    font-family: Arial, sans-serif;
    margin: 0;
    background:linear-gradient(180deg, #FFFFFF 0%, #4c9b7f 100%);
    color: #333;
    line-height: 1.6;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}
.d-flex {
    display: flex;
}

.align-items-center {
    align-items: center;
}

.justify-content-center {
    justify-content: center;
}


.vh-100 {
    height: 100vh;
}
.text-center {
    text-align: center;
}
.container {
    max-width: 400px;
    width: 100%;
}
.card {
    background-color: #fff;
    border: 1px solid #fefefe;
    border-radius: 0.5rem;
    box-shadow: 0 0.5rem 1rem rgba(2, 248, 252, 0.315);
    padding: 4rem;
}


.mt-4 { margin-top: 1.5rem; }
.mb-4 { margin-bottom: 1.5rem; }
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    font-weight: 500;
    color: #fff;
    background-color: #007bff;
    border: none;
    border-radius: 0.25rem;
    text-decoration: none;
    transition: background-color 0.3s ease;
    cursor: pointer;
}
.btn:hover {
    background-color: #0056b3;
}
.btn-secondary {
    background-color: #6c757d;
}
.btn-secondary:hover {
    background-color: #5a6268;
}
.form-control {
    width: 100%;
    padding: 0.5rem;
    font-size: 1rem;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    box-shadow: none;
}
.form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}
.form input {
    width: 100%;
    padding: 0.5rem;
    font-size: 1rem;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    box-shadow: none;
}
.form input:focus {
    border-color: #99ff80;
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}
.img-shadow {
    box-shadow: 12px 12px 12px rgba(0, 0, 0, 0.522);
}
.text-centerheading {
    text-align: center;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    background: linear-gradient(90deg, #05b5fb, #5eff00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    font-family:'Varela Round', sans-serif;
    src: url('VarelaRound-Regular.ttf') format('truetype');
    text-shadow: #00000079 5px 12px 12px;
}
.d-grid {
    display: grid;
    gap: 0.5rem;
}
body.dark-mode {
    background: linear-gradient(180deg, #2a2a2a 0%, #6ea8fe 100%);
}

.dark-mode .card {
    background-color: #2c2c2c;
    border-color: #444;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.5);
}

.dark-mode .text-centerheading {
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
    color: #05d6f1;
    text-shadow: #000000a0 3px 8px 8px;
}

.dark-mode .form-label {
    color: #d0d0d0;
}

.dark-mode .form-control {
    background-color: #3a3a3a;
    color: #e0e0e0;
    border-color: #555;
}

.dark-mode .form-control:focus {
    border-color: #99ff80;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}