html {
    height: 100%;
    box-sizing: border-box;
    font-size: 16px; /* Base font size for scalability */
}

*, *:before, *:after {
    box-sizing: inherit;
}

body {
    position: relative;
    height: 100%;
    margin: 0;
    background: linear-gradient(#1a2342 25%, #253366 50%, #253366 50%, #1a2342 100%);
    color: #b8c7e0;
    font-size: 1rem; /* Relative unit */
    font-family: "Inter", sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: #4d9bf0;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover, a:focus {
    color: #7ab5f5;
    outline: none; /* For modern browsers */
    text-decoration: underline;
}

strong {
    font-weight: 600;
    color: #5dc1ff;
}

.container {
    max-width: 40rem; /* Flexible container size */
    margin: 0 auto;
    padding: 1rem;
    width: 100%;
}

.content {
    position: relative;
    width: 100%;
}

.content .header {
    padding: 4rem 1rem 0.5rem;
    text-align: center;
    z-index: 1;
}

.content .header p {
    font-size: 1.2rem;
    font-weight: 500;
    color: #e5e5e5;
    margin-top: 0.5rem;
}

.content .main {
    position: relative;
    margin: 1rem auto;
    z-index: 1;
    background: #1e201f;
    border-radius: 0.7rem;
    padding: 2rem;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.1), inset 0 3px 3px rgba(0, 0, 0, 0.5);
}

.content .main ul.m-list {
    margin: 1rem 0;
    padding: 0;
    list-style: none;
}

.content .main ul.m-list li {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #242625;
    padding: 0.8rem 1rem;
    margin: 0.5rem 0;
    border-radius: 0.4rem;
    border: 1px solid #3e403f;
    color: #777b77;
    transition: background 0.3s, border-color 0.3s;
}

.content .main ul.m-list li span:first-child {
    font-weight: 600;
    color: #e5e5e5;
    font-size: 1.1rem;
}

.content .main ul.m-list li span:last-child {
    display: inline-flex;
    align-items: center;
    color: #777b77;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.content .main ul.m-list li span:last-child:before {
    content: "";
    display: inline-block;
    background: #00acc1;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.content .main ul.m-list li:hover {
    background: #003a42;
    border-color: #00acc1;
}

.content .main ul.m-list li:hover span:last-child {
    color: #e5e5e5;
}

.content .main .notice {
    background: #131514;
    padding: 1.5rem 1rem;
    border-radius: 0.5rem;
    display: flex;
    gap: 1rem;
}

.content .main .notice .start i {
    font-size: 1.5rem;
    color: #e5e5e5;
}

.content .main .notice .stop {
    margin-top: 0.2rem;
    font-size: 1rem;
    color: #e5e5e5;
}

.content .main .notice .stop .twitter {
    background: #00acc1;
    border-radius: 0.3rem;
    padding: 0.4rem 0.6rem;
    display: inline-block;
    color: #131514;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.3s ease;
}

.content .main .notice .stop .twitter:hover {
    background: #00d9f4;
}

.content .footer {
    text-align: center;
    margin: 2rem 0;
}

.faq img {
    display: block;
    margin: 1rem auto;
    max-width: 100%;
    height: auto;
}

@media (max-width: 700px) {
    body {
        font-size: 0.9rem;
    }

    .content .header p {
        font-size: 1rem;
    }

    .content .main ul.m-list li {
        padding: 0.6rem 0.8rem;
    }
}