* {
    border: 0;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
:root {
    --hue: 223;
    --bg: hsl(var(--hue),10%,90%);
    --fg: hsl(var(--hue),10%,10%);
    --transDur: 0.15s;
    /*font-size: calc(16px + (24 - 16) * (100vw - 320px) / (1280 - 320));*/
}
/*body,*/
/*button {*/
/*    color: var(--fg);*/
/*    font: 1em/1.5 "DM Sans", "Helvetica Neue", Helvetica, sans-serif;*/
/*}*/
/*body {*/
/*    background-color: var(--bg);*/
/*    height: 100vh;*/
/*    display: grid;*/
/*    place-items: center;*/
/*    transition: background-color var(--transDur);*/
/*}*/
.notification {
    padding-bottom: 0.75em;
    position: fixed;
    top: 1.5em;
    right: 1.5em;
    width: 18.75em;
    max-width: calc(100% - 3em);
    transition: transform 0.15s ease-out;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}
.notification__box,
.notification__content,
.notification__btns {
    display: flex;
}
.notification__box,
.notification__content {
    align-items: center;
}
.notification__box {
    animation: flyIn 0.3s ease-out;
    background-color: hsl(0,0%,100%);
    border-radius: 0.75em;
    box-shadow: 0 0.5em 1em hsla(var(--hue),10%,10%,0.1);
    height: 4em;
    transition:
            background-color var(--transDur),
            color var(--transDur);
}
.notification--out .notification__box {
    animation: flyOut 0.3s ease-out forwards;
}
.notification__content {
    padding: 0.375em 1em;
    width: 100%;
    height: 100%;
}
.notification__icon {
    flex-shrink: 0;
    margin-right: 0.75em;
    width: 2em;
    height: 2em;
}
.notification__icon-svg {
    width: 100%;
    height: auto;
}
.notification__text {
    line-height: 1.333;
}
.notification__text-title {
    font-size: 0.75em;
    color: white;
    font-weight: bold;
}
.notification__text-subtitle {
    font-size: 0.6em;
    opacity: 0.75;
}
.notification__btns {
    box-shadow: -1px 0 0 hsla(var(--hue),10%,10%,0.15);
    flex-direction: column;
    flex-shrink: 0;
    min-width: 4em;
    height: 100%;
    transition: box-shadow var(--transDur);
}
.notification__btn {
    background-color: transparent;
    box-shadow: 0 0 0 hsla(var(--hue),10%,10%,0.5) inset;
    font-size: 0.6em;
    line-height: 1;
    font-weight: 500;
    height: 100%;
    padding: 0 0.5rem;
    transition:
            background-color var(--transDur),
            color var(--transDur);
    -webkit-appearance: none;
    appearance: none;
    -webkit-tap-highlight-color: transparent;
}
.notification__btn-text {
    display: inline-block;
    pointer-events: none;
    color: white;
}
.notification__btn:first-of-type {
    border-radius: 0 0.75rem 0 0;
}
.notification__btn:last-of-type {
    border-radius: 0 0 0.75rem 0;
}
.notification__btn:only-child {
    border-radius: 0 0.75rem 0.75rem 0;
}
.notification__btn + .notification__btn {
    box-shadow: 0 -1px 0 hsla(var(--hue),10%,10%,0.15);
    font-weight: 400;
}
.notification__btn:active,
.notification__btn:focus {
    background-color: hsl(var(--hue),10%,95%);
}
.notification__btn:focus {
    outline: transparent;
}

@supports selector(:focus-visible) {
    .notification__btn:focus {
        background-color: transparent;
    }
    .notification__btn:focus-visible,
    .notification__btn:active {
        background-color: hsl(var(--hue),10%,95%);
    }
}

/* Dark theme */
@media (prefers-color-scheme: dark) {
    :root {
        --bg: hsl(var(--hue),10%,10%);
        --fg: hsl(var(--hue),10%,90%);
    }
    .notification__box {
        background-color: hsl(var(--hue),10%,30%);
    }
    .notification__btns {
        box-shadow: -1px 0 0 hsla(var(--hue),10%,90%,0.15);
    }
    .notification__btn + .notification__btn {
        box-shadow: 0 -1px 0 hsla(var(--hue),10%,90%,0.15);
    }
    .notification__btn:active,
    .notification__btn:focus {
        background-color: hsl(var(--hue),10%,35%);
    }

    @supports selector(:focus-visible) {
        .notification__btn:focus {
            background-color: transparent;
        }
        .notification__btn:focus-visible,
        .notification__btn:active {
            background-color: hsl(var(--hue),10%,35%);
        }
    }
}

/* Animations */
@keyframes flyIn {
    from {
        transform: translateX(calc(100% + 1.5em));
    }
    to {
        transform: translateX(0);
    }
}
@keyframes flyOut {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(calc(100% + 1.5em));
    }
}