* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #f5f5f5;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-box {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    padding: 50px 40px;
    text-align: center;
}

.login-title {
    color: #333;
    margin-bottom: 10px;
    font-size: 28px;
    font-weight: 600;
}

.login-subtitle {
    color: #666;
    margin-bottom: 40px;
    font-size: 15px;
    font-weight: 400;
}

.google-signin-btn {
    background: #fff;
    border: 2px solid #4285f4;
    color: #4285f4;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.3s ease;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
}

.google-signin-btn:hover {
    background: #4285f4;
    color: white;
    box-shadow: 0 4px 15px rgba(66, 133, 244, 0.4);
    transform: translateY(-2px);
}

.google-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.error-message {
    color: #d93025;
    background: #fce8e6;
    border: 1px solid #d93025;
    border-radius: 8px;
    padding: 14px;
    margin: 0 0 30px 0;
    font-size: 14px;
    line-height: 1.5;
}

.info-text {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
}

.info-text p {
    color: #888;
    font-size: 13px;
}