body {
    font-family: 'Inter', sans-serif;
    background: #f8f9fa;
    color: #333;
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-top: 200px;
}

.login-card {
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    padding: 50px 40px;
    max-width: 440px;
    width: 100%;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.login-card h1 {
    font-weight: 700;
    font-size: 2rem;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.private-notice {
    font-size: 0.95rem;
    color: #555;
    margin-bottom: 30px;
    line-height: 1.4;
    font-weight: 500;
}

.private-notice i {
    display: none;
}

.private-notice p {
    margin: 0;
}

.google-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    color: #1a1a1a;
    font-weight: 600;
    border: 1px solid #ccc;
    border-radius: 10px;
    padding: 14px 25px;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}

.google-btn:hover {
    background-color: #f5f5f5;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.google-btn img {
    width: 24px;
    margin-right: 12px;
}

.error-notice {
    background-color: #ffcccc;
    border: 1px solid #ff0000;
    margin-bottom: 20px;
    border-radius: 8px;
    padding: 15px 20px;
    text-align: center;
}

.error-notice p {
    margin: 0;
    color: #ff0000;
    font-weight: 600;
    line-height: 1.4;
    font-size: 0.95rem;
}

@media (max-width: 500px) {
    body, html {
        height: 100%;
        margin: 0;
        padding: 0;
        display: flex;
        justify-content: center;
        align-items: flex-start;
    }
    .login-container {
        width: auto;
        margin-top: 150px;
    }
    .login-card {
        padding: 40px 25px;
        max-width: 300px;
        width: 85%;
    }
    .login-card h1 {
        font-size: 1.75rem;
    }
    .google-btn {
        padding: 12px 20px;
        font-size: 0.95rem;
    }
}