/* Đặt các kiểu cơ bản cho toàn bộ trang */
body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 360px;
    text-align: center;
}

.logo {
    width: 75px;
    height: auto;
    margin-bottom: 20px;
}

.title {
    font-size: 24px;
    color: #202124;
    margin-bottom: 20px;
}

.error {
    color: red;
    margin-bottom: 20px;
}

.input-group {
    margin-bottom: 20px;
    text-align: left;
}

.input-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #dadce0;
    border-radius: 4px;
    font-size: 16px;
    box-sizing: border-box;
}

.input-group input:focus {
    border-color: #4285f4;
    outline: none;
    box-shadow: 0 1px 3px rgba(66, 133, 244, 0.3);
}

.login-button {
    background-color: #4285f4;
    color: white;
    padding: 10px 16px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    width: 100%;
}

.login-button:hover {
    background-color: #357ae8;
}

.footer {
    margin-top: 20px;
    font-size: 14px;
    color: #5f6368;
}

/* Media Queries để hỗ trợ thiết bị di động */
@media (max-width: 600px) {
    .login-box {
        width: 90%;
        padding: 20px;
    }

    .title {
        font-size: 20px;
    }

    .input-group input {
        padding: 8px;
        font-size: 14px;
    }

    .login-button {
        padding: 8px 12px;
        font-size: 13px;
    }

    .footer {
        font-size: 12px;
    }
}