.frosty-header {
    position: fixed;
    top: 1vh; 
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;

    width: 95%;
    max-width: 100%;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;

    background: rgba(209, 209, 209, 0.075);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 25px;

    color: white;
    font-family: "Inter" sans-serif;
    letter-spacing: 1px;
}

.center {
    font-size: clamp(1.2rem, 3vw, 2rem);
}

.frosty-header .left,
.frosty-header .center,
.frosty-header .right {
    flex: 1;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: opacity 0.2s ease;
    user-select: none; 
    will-change: opacity;
}

.frosty-header .left { justify-content: flex-start; }
.frosty-header .center { justify-content: center; text-align: center; }
.frosty-header .right { justify-content: flex-end; font-family: "Inter" sans-serif; }
button {
    font-family: "Inter" sans-serif;
    font-size: 14px;
    color: #ffffff;
    
    background: rgba(134, 134, 134, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 100px;
    padding: 8px 16px;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease, border-color 0.3s ease;
    
    backface-visibility: hidden;
}

button:hover {
    background: rgba(134, 134, 134, 0.6);
    transform: translateY(-1px);
    border-color: rgba(255, 255, 255, 0.4);
}

button:active {
    transform: translateY(0px);
}