*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background: linear-gradient(135deg, #ececec, #d9d9d9);
}

.header {
    display: flex;
    align-items: center;
    padding: 15px;
    position: relative;
}

.burger {
    cursor: pointer;
    user-select: none;
}

.burger svg {
    transition: 0.3s;
}

.burger:hover svg {
    transform: scale(1.1);
    filter: drop-shadow(0 0 6px #4a6cff);
}


.title {
    margin: auto;
    background: #ddd;
    padding: 10px 30px;
    border-radius: 20px;
    font-size: 32px;
    transition: 0.3s;
}

.title:hover {
    box-shadow: 0 0 8px #4a6cff;
}

.auth {
    display: flex;
    gap: 10px;
}

.auth button {
    padding: 8px 16px;
    border-radius: 20px;
    border: none;
    cursor: pointer;
    transition: 0.3s;
}

.login-btn { background: #5a6c8f; color: white; }
.signup-btn { background: #2f4bb2; color: white; }

.auth button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 10px #4a6cff;
}

.menu {
    display: none;
    flex-direction: column;
    background: #eee;
    position: absolute;
    top: 60px;
    left: 10px;
    padding: 12px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    animation: fadeIn 0.2s ease;
    z-index: 1000;
}
.menu a {
    padding: 10px;
    text-decoration: none;
    color: #333;
    border-radius: 8px;
    transition: 0.2s;
}
.menu a:hover {
    background: #4a6cff;
    color: white;
    transform: translateX(5px);
}
.menu.show {
    display: flex;
}

.container {
    display: flex;
    justify-content: center;
    padding: 40px;
}

.leaderboard {
    width: 700px;
    background: #dcdcdc;
    border-radius: 20px;
    padding: 20px;
    transition: 0.3s;
}

.leaderboard:hover {
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.lb-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    gap: 12px;
}

.lb-header h2 {
    font-weight: normal;
}

.sort-controls {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.sort-btn {
    border: none;
    border-radius: 10px;
    padding: 8px 10px;
    background: #bbb;
    color: #222;
    cursor: pointer;
    font-weight: 700;
    transition: 0.2s;
}

.sort-btn:hover,
.sort-btn.active {
    background: #4a6cff;
    color: white;
    box-shadow: 0 0 8px #4a6cff;
}

.lb-list {
    max-height: 300px;
    overflow-y: auto;
    padding-right: 10px;
}

.player {
    display: flex;
    align-items: center;
    background: #cfcfcf;
    padding: 10px;
    border-radius: 12px;
    margin: 10px 0;
    transition: 0.2s;
}

.player:hover {
    transform: scale(1.02);
    background: #bfbfbf;
}

.avatar {
    width: 50px;
    height: 50px;
    background: #5a6c8f;
    border-radius: 50%;
    margin-right: 15px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
}

.info {
    flex: 1;
}

.name {
    font-weight: 800;
    color: #222;
}

.score {
    font-weight: 800;
    color: #2f4bb2;
    white-space: nowrap;
}

.player-top {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
}

.stats {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 7px;
    color: #333;
    font-size: 0.9rem;
}

.empty-state {
    background: #cfcfcf;
    border-radius: 12px;
    padding: 18px;
    color: #333;
    text-align: center;
}

.lb-list::-webkit-scrollbar {
    width: 8px;
}
.lb-list::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 10px;
}
@keyframes fadeIn {
    from {opacity: 0; transform: translateY(-10px);}
    to {opacity: 1; transform: translateY(0);}
}

.user-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #5a6c8f;
    cursor: pointer;
    overflow: hidden;
    transition: 0.3s;
}
.user-icon:hover {
    box-shadow: 0 0 8px #4a6cff;
    transform: scale(1.05);
}
.user-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.account-chip {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.account-name {
    max-width: 120px;
    color: #333;
    font-size: 0.82rem;
    font-weight: 700;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.logout-btn {
    border: none;
    background: #4a4747;
    color: white;
    padding: 5px 10px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 12px;
}

@media (max-width: 700px) {
    .header {
        flex-wrap: wrap;
        gap: 12px;
    }

    .title {
        order: 3;
        width: 100%;
        text-align: center;
        font-size: 26px;
    }

    .auth {
        margin-left: auto;
    }

    .container {
        padding: 24px 14px;
    }

    .leaderboard {
        width: 100%;
    }

    .lb-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .sort-controls {
        justify-content: flex-start;
    }
}