/* Header styles */
header {
    position: sticky;
    top: 0;
    padding: 10px;
    z-index: 1000;
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.15);
}

.header__img {
    height: 48px;
    width: 48px;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.header__img:hover {
    transform: scale(1.1);
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Selection color */
::selection {
    background: rgba(99, 102, 241, 0.3);
    color: #ffffff;
}