html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(160deg, #0f2027, #203a43, #2c5364);
    color: #fff;
}

.container-fluid {
    display: flex;
    flex-direction: column;
    min-height: 10vh;
}

nav.navbar,
nav {
    background: rgba(20, 20, 40, 0.9);
    padding: 1rem;
    flex-shrink: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-brand, .nav-link, nav a {
    color: #fff !important;
    transition: color 0.2s ease;
    text-decoration: none;
}

.nav-link:hover,
nav a:hover {
    color: #a78bfa !important;
}

.nav-link.active {
    color: #a78bfa !important;
    font-weight: bold;
    border-bottom: 2px solid #a78bfa;
}

.navbar-toggler {
    border-color: #fff;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='white'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M4 6h16M4 12h16M4 18h16' /%3E%3C/svg%3E");
}

.nav-item {
    padding: 0 0.5rem;
}

.account-links .nav-item {
    margin-left: 0.75rem;
}

main {
    flex: 1 0 auto;
    padding: 2rem 1rem;
    text-align: center;
}

footer {
    background: rgba(20, 20, 40, 0.9);
    color: #ccc;
    padding: 1rem;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.google-logo {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 1.8rem;
    font-weight: 600;
    color: #a78bfa;
    text-shadow: 0 0 4px rgba(167, 139, 250, 0.4);
    margin-bottom: 1rem;
}

.card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    color: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.btn-dark {
    background: linear-gradient(135deg, #8e2de2, #4a00e0);
    border: none;
    color: #fff;
    border-radius: 30px;
    padding: 0.6rem 1.5rem;
    font-weight: bold;
    transition: background 0.3s ease;
}

.btn-dark:hover {
    background: linear-gradient(135deg, #a78bfa, #6d28d9);
}

.btn-success {
    background: linear-gradient(135deg, #06beb6, #48b1bf);
    border: none;
    border-radius: 30px;
    padding: 0.6rem 2rem;
    font-weight: bold;
    color: #fff;
}

.btn-success:hover {
    background: linear-gradient(135deg, #48b1bf, #06beb6);
}

.form-control {
    border-radius: 30px;
    padding: 0.75rem 1.25rem;
    border: none;
    outline: none;
    box-shadow: 0 0 5px rgba(167, 139, 250, 0.4);
}

.input-group {
    max-width: 600px;
    width: 100%;
}

.alert {
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
}

a {
    color: #a78bfa;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Get App Page Customizations */
.get-app-header {
    font-size: 2rem;
    font-weight: 700;
    color: #a78bfa;
    text-shadow: 0 0 5px rgba(167, 139, 250, 0.4);
}

.get-app-subtext {
    font-size: 1.2rem;
    color: #ccc;
}

.get-app-btn {
    background: linear-gradient(135deg, #8e2de2, #4a00e0);
    border: none;
    padding: 0.75rem 2rem;
    font-size: 1.1rem;
    border-radius: 30px;
    color: #fff;
    font-weight: 500;
    transition: all 0.3s ease;
}

.get-app-btn:hover {
    background: linear-gradient(135deg, #a78bfa, #6d28d9);
    color: #fff;
}

@media (max-width: 576px) {
    .google-logo {
        font-size: 2rem;
    }

    .input-group {
        width: 90% !important;
    }

    .card {
        padding: 1rem !important;
    }

    .table {
        font-size: 0.9rem;
    }

    .get-app-header {
        font-size: 1.5rem;
    }

    .get-app-subtext {
        font-size: 1rem;
    }

    .get-app-btn {
        font-size: 1rem;
        padding: 0.6rem 1.5rem;
    }

    .nav-item {
        padding: 0.25rem 0;
    }

    .account-links .nav-item {
        margin-left: 0;
    }
}