body {
    background-color: #161618;
    color: #ffffff;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    min-height: 100vh;
    flex-direction: column;
    align-items: center;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 43px 45px 32px 45px;
    width: 94%;
    max-width: 1620px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
}

.logo {
    width: 290px;
    height: 75px;
    object-fit: contain;
}

.telegram-login-btn {
    width: 360px;
    height: 61px;
    background: linear-gradient(90deg, rgba(249,197,242,1) 0%, rgba(14,57,254,1) 100%);
    border: none;
    border-radius: 20px;
    color: white;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 25px;
    cursor: pointer;
    position: relative;
    transition: transform 0.2s ease;
}

.telegram-login-btn:hover {
    transform: scale(1.02);
}

.telegram-login-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    padding: 1px;
    border-radius: 20px;
    background: linear-gradient(90deg, rgba(249,197,242,1) 0%, rgba(14,57,254,1) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    z-index: 1;
    pointer-events: none;
}

.user-profile {
    display: none;
    align-items: center;
    gap: 10px;
}

.user-name {
    color: #2C2C54;
    font-size: 1rem;
    font-weight: 500;
}

.hamburger {
    background: none;
    border: none;
    color: white;
    font-size: 30px;
    cursor: pointer;
    display: block;
    position: absolute;
    top: 150px;
    left: 20px;
    z-index: 1;
}

.sidebar {
    position: fixed;
    top: 0;
    left: -250px;
    width: 250px;
    height: 100%;
    background-color: #161618;
    padding: 20px;
    box-sizing: border-box;
    transition: left 0.3s ease;
    z-index: 1001;
    overflow-y: auto;
}

.sidebar.open {
    left: 0;
}

.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.overlay.active {
    display: block;
}

.wrapper {
    display: flex;
    width: 100%;
    max-width: 1620px;
    margin-top: 200px;
    justify-content: center;
    padding: 0 20px;
    box-sizing: border-box;
}

.sidebar ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.sidebar li {
    margin-bottom: 10px;
}

.sidebar a {
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
}

.sidebar a:hover {
    text-decoration: underline;
}

.content {
    flex: 1;
    max-width: 970px;
}

h1 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 10px;
    text-align: start;
}

.update-date {
    text-align: center;
    font-size: 14px;
    margin-bottom: 40px;
}

h2 {
    font-size: 22px;
    margin-top: 40px;
    margin-bottom: 15px;
}

p, li {
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 10px;
}

ul {
    list-style-type: disc;
    padding-left: 20px;
}

ol {
    list-style-type: decimal;
    padding-left: 20px;
}

/* Responsive adjustments */
@media (max-width: 2560px) {
    .hamburger {
        top: 210px;
        left: 28%;
    }
}

@media (max-width: 1920px) {
    .wrapper {
        max-width: 1500px;
    }
    .logo {
        width: 260px;
        height: 67px;
    }
    .telegram-login-btn {
        width: 320px;
        height: 55px;
        font-size: 22px;
    }
    .hamburger {
        left: 22%;
        top: 211px;
    }
}

@media (max-width: 1440px) {
    .header {
        padding: 30px 30px 20px 30px;
    }
    .logo {
        width: 220px;
        height: 57px;
    }
    .telegram-login-btn {
        width: 280px;
        height: 50px;
        font-size: 20px;
    }
    .wrapper {
        max-width: 1200px;
        margin-top: 150px;
    }
    .sidebar {
        width: 220px;
        left: -220px;
    }
    .content {
        max-width: 800px;
    }
    h1 {
        font-size: 26px;
    }
    h2 {
        font-size: 20px;
    }
    p, li {
        font-size: 15px;
    }
    .hamburger {
        left: 18%;
        top: 158px;
    }
}

@media (max-width: 1024px) {
    .header {
        padding: 25px 25px 15px 25px;
        flex-direction: row;
        align-items: center;
        gap: 15px;
    }
    .logo {
        width: 200px;
        height: 52px;
    }
    .telegram-login-btn {
        width: 250px;
        height: 45px;
        font-size: 18px;
    }
    .wrapper {
        max-width: 900px;
        margin-top: 180px;
        flex-direction: column;
        align-items: center;
    }
    .content {
        max-width: 100%;
    }
    h1 {
        font-size: 24px;
    }
    h2 {
        font-size: 18px;
    }
    p, li {
        font-size: 14px;
    }
    .hamburger {
        left: 20px;
        top: 187px;
    }
    .sidebar {
        left: -250px;
        width: 250px;
    }
    .sidebar.open {
        left: 0;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .sidebar {
        width: 100vw;
        left: -100vw;
    }
    .sidebar.open {
        left: 0;
    }
    .hamburger {
        left: 20px;
    }
}

@media (max-width: 768px) {
    .content {
        max-width: 90%;
    }
    .hamburger {
        left: 10px;
        top: 187px;
    }
}

@media (max-width: 767px) {
    .sidebar {
        width: 100vw;
        left: -100vw;
    }
    .sidebar.open {
        left: 0;
    }
    .header {
        padding: 20px 20px 10px 20px;
    }
    .logo {
        width: 180px;
        height: 47px;
    }
    .telegram-login-btn {
        width: 220px;
        height: 40px;
        font-size: 16px;
    }
    .wrapper {
        max-width: 700px;
        margin-top: 150px;
    }
    .sidebar ul {
        flex-direction: column;
    }
    .sidebar li {
        margin: 10px 0;
    }
    .hamburger {
        top: 120px;
        left: 10px;
        font-size: 25px;
    }
}

@media (max-width: 425px) {
    .header {
        padding: 15px 15px 5px 15px;
        gap: 10px;
    }
    .logo {
        width: 150px;
        height: 39px;
    }
    .telegram-login-btn {
        width: 180px;
        height: 35px;
        font-size: 14px;
    }
    .wrapper {
        margin-top: 120px;
        padding: 0 10px;
    }
    .content {
        max-width: 80%;
    }
    h1 {
        font-size: 22px;
        text-align: center;
    }
    h2 {
        font-size: 16px;
    }
    p, li {
        font-size: 13px;
    }
    ul, ol {
        padding-left: 15px;
    }
    .hamburger {
        top: 130px;
        left: 15px;
        font-size: 24px;
    }
}

@media (max-width: 375px) {
    .logo {
        width: 140px;
        height: 36px;
    }
    .telegram-login-btn {
        width: 160px;
        height: 32px;
        font-size: 13px;
    }
    .wrapper {
        margin-top: 110px;
    }
    h1 {
        font-size: 20px;
    }
    h2 {
        font-size: 15px;
    }
    p, li {
        font-size: 12px;
    }
    .hamburger {
        top: 119px;
        font-size: 22px;
    }
}

@media (max-width: 320px) {
    .header {
        padding: 10px 10px 5px 10px;
    }
    .logo {
        width: 120px;
        height: 31px;
    }
    .telegram-login-btn {
        width: 140px;
        height: 30px;
        font-size: 12px;
    }
    .wrapper {
        margin-top: 100px;
        padding: 0 5px;
    }
    h1 {
        font-size: 18px;
    }
    h2 {
        font-size: 14px;
    }
    p, li {
        font-size: 11px;
    }
    ul, ol {
        padding-left: 10px;
    }
    .hamburger {
        top: 105px;
        left: 10px;
        font-size: 20px;
    }
}