* {
    padding: 0px;
    margin: 0px;
    box-sizing: border-box;
}

:root {
    --sky-50: #F0F9FF;
    --sky-100: #E0F2FE;
    --sky-200: #BAE6FD;
    --sky-300: #7DD3FC;
    --sky-400: #38BDF8;
    --sky-500: #0EA5E9;
    --sky-600: #0284C7;
    --sky-700: #0369A1;
    --sky-800: #075985;
    --sky-900: #0C4A6E;
    --sky-950: #082F49;
}

body {
    background-color: var(--sky-100);
    color: var(--sky-900);
    font-family: Arial, Helvetica, sans-serif;

}

main {
    min-height: 100vh;
    display: grid;
    grid-template-columns: auto 1fr;
    overflow-x: hidden;
}

button {
    border: none;
    background: transparent;
    cursor: pointer;
}

ul {
    text-decoration: none;
    list-style: none;
}

a {
    text-decoration: none;
    color: var(--sky-50);
}


.sidebar {
    width: 80px;
    padding: 16px;
    display: flex;
    flex-flow: column nowrap;
    justify-content: start;
    align-items: start;
    background: var(--sky-950);
    transition: width 0.5s ease;
    overflow: hidden;
}

.extended_sidebar {
    width: 192px;
}

.icon {
    color: var(--sky-50);
    width: 30px;
    height: 30px;
}

.toggle_container {
    margin-left: 4px;
}

.toggle_btn {
    margin-bottom: 54px;
    padding: 5px;

}

.links_list {
    display: flex;
    flex-flow: column nowrap;
    width: 50px;
}

.links {
    color: var(--sky-50);
    width: 50px;
    height: 50px;
    white-space: nowrap;
    display: inline-block;
    border-radius: 8px;
    padding: 10px;
    margin-bottom: 12px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.links svg,
.links span {
    vertical-align: middle;
}

.links span {
    margin-left: 24px;
    opacity: 0;
    transition: margin-left 0.3s ease, opacity 0.3s ease;

}

.extended_sidebar .links span {
    margin-left: 24px;
    opacity: 1;
}

.links:hover {
    background-color: var(--sky-600);
}

.expanded_links {
    width: 160px;
    display: flex;
    align-items: center;
}

.content {
    padding: 16px;
    font-size: 24px;
}