body {
    background: #0d1117;
    background-image: url('data:image/svg+xml;base64,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');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #fff;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Main content section with a subtle overlay for better text readability */
main {
    flex: 1;
    padding-top: 40px;
    padding-bottom: 40px;
    position: relative;
}

main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(13, 17, 23, 1) 0%, rgba(13, 17, 23, 0.6) 70%, rgba(13, 17, 23, 0.4) 100%);
    z-index: -1;
}

/* Enhanced heading with subtle glow */
.display-3 {
    color: #fff;
    font-weight: 700;
    letter-spacing: -0.02em;
    font-size: 6.5rem;
    text-shadow: 0 0 20px rgba(0, 180, 216, 0.2);
}

/* Add a subtle indicator of technological advancement */
.lead {
    color: #00b4d8;
    font-size: 1.8rem;
    font-weight: 400;
    max-width: 900px;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.lead::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
}

/* The rest of your existing CSS remains unchanged */
.navbar {
    padding: 1rem 0;
    background: rgba(13, 17, 23, 0.9) !important;
    border-bottom: 1px solid #30363d;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.navbar-brand {
    --font-size: 1.5rem;
    --font-weight: 600;
    --color: #00b4d8 !important;
    --text-transform: uppercase;
}

.navbar-brand img {
    height: 40px;
}

.text-muted {
    color: #8b949e !important;
}

.btn-primary {
    background-color: #00b4d8;
    border-color: #00b4d8;
    padding: 10px 20px;
    font-weight: 600;
    border-radius: 6px;
    transition: background-color 0.2s;
    white-space: nowrap;
    min-width: 120px;
}

.btn-primary:hover {
    background-color: #0096b7;
    border-color: #0096b7;
}

.form-control {
    background: rgba(22, 27, 34, 0.8);
    border: 1px solid #30363d;
    color: #c9d1d9;
    padding: 10px 16px;
    border-radius: 6px;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.form-control::placeholder {
    color: #8b949e;
}

.form-control:focus {
    background: rgba(22, 27, 34, 0.9);
    border-color: #00b4d8;
    color: #fff;
    box-shadow: none;
}

.text-primary {
    color: #00b4d8 !important;
    text-decoration: none;
}

.text-primary:hover {
    color: #0096b7 !important;
    text-decoration: underline;
}

footer {
    background: rgba(13, 17, 23, 0.9);
    border-top: 1px solid #30363d;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

footer .container {
    padding: 0 15px;
}


/* Notification Styling */
#notification {
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 400;
}

#notification.success {
    background: rgba(26, 46, 53, 0.8);
    color: #00b4d8;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

#notification.error {
    background: rgba(46, 26, 26, 0.8);
    color: #ff6b6b;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .display-3 { font-size: 2.5rem; }
    .lead { font-size: 1.1rem; }
    #signup-form { flex-direction: column; }
    footer .row {
        text-align: center !important;
    }
    footer .col {
        text-align: center !important;
        margin-bottom: 10px;
    }
}