body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f2f7fa;
    touch-action: manipulation;
    overflow-x: hidden;
}

.container {
    background-color: #fff;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    width: 90%;
    max-width: 400px;
    text-align: center;
}

h2 {
    margin-bottom: 1.5rem;
}

input, button, select, textarea {
    font-size: 16px; /* prevent auto-zoom */
}

form label {
    display: block;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    text-align: left;
}

input[type="text"], input[type="password"] {
    width: 100%;
    padding: 0.5rem;
    font-size: 16px;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    box-sizing: border-box;
    margin-bottom: 0.5rem;
}

.signin-btn, .google-btn {
    width: 100%;
    padding: 0.5rem;
    margin-top: 1rem;
    font-size: 16px;
    border-radius: 0.375rem;
    cursor: pointer;
}

.divider {
    margin: 1rem 0;
    text-align: center;
    color: #6b7280;
}

.google-btn img {
    width: 20px;
    vertical-align: middle;
    margin-right: 0.5rem;
}