body {
    background-color: #f4f6f8;
}

.container {
    max-width: 600px;
    padding-bottom: 80px;
}

.app-header {
    background: #0d6efd;
    color: white;
    padding: 15px;
    text-align: center;
    font-size: 1.2rem;
}

.app-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-top: 1px solid #ddd;
    display: flex;
}

.app-nav a {
    flex: 1;
    padding: 12px;
    text-align: center;
    text-decoration: none;
    color: #0d6efd;
    font-size: 0.9rem;
}

.card {
    border-radius: 12px;
}

.bottom-action {
    position: fixed;
    bottom: 15px;
    left: 15px;
    right: 15px;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    font-size: 1.1rem;
    user-select: none;
}