html,
body {
    margin: 0;
    padding: 0;
    width: 100vw;
    height: 100vh;
}

body.setup {
    margin: 0;
    padding: 0;

    &>div {
        background:
            radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
            radial-gradient(ellipse at 80% 20%, rgba(168, 85, 247, 0.25) 0%, transparent 50%),
            radial-gradient(ellipse at 60% 80%, rgba(59, 130, 246, 0.25) 0%, transparent 50%),
            var(--left-pane-background-color);
        padding: 2em;
        width: 100vw;
        height: 100vh;
        display: flex;
        justify-content: center;
        align-items: center;

        .setup-container {
            background-color: var(--main-background-color);
            border-radius: 16px;
            padding: 2em;
            display: flex;
            flex-direction: column;
            gap: 2rem;
            height: 550px;
            width: 700px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            position: relative;

            .setup-options {
                display: flex;
                flex-direction: column;
                justify-content: center;
                gap: 1rem;

                .setup-option-card {
                    padding: 1.5em;
                    cursor: pointer;
                    display: flex;
                    align-items: center;
                    gap: 1rem;

                    &:hover {
                        background-color: var(--card-background-hover-color);
                        filter: contrast(105%);
                        transition: background-color .2s ease-out;
                    }

                    .tn-icon {
                        font-size: 2.5em;
                        color: var(--muted-text-color);
                    }

                    h3 {
                        font-size: 1.5em;
                        font-weight: normal;
                    }

                    p:last-of-type {
                        margin-bottom: 0;
                        color: var(--muted-text-color);
                    }
                }
            }
        }

        .page {
            display: flex;
            flex-direction: column;
            height: 100%;

            >main {
                flex: 1;
                display: flex;
                flex-direction: column;
                padding-top: 1em;
            }

            >footer {
                display: flex;
                justify-content: flex-end;
                gap: 0.5rem;
                border-top: 1px solid var(--main-border-color);
                padding-top: 1rem;
            }
        }

        form {
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex-grow: 1;
            gap: 1rem;
            width: 80%;
            margin: auto;
        }

        .form-item-with-icon {
            display: flex;
            align-items: center;
            gap: 0.5rem;

            .tn-icon {
                font-size: 1.5em;
                color: var(--muted-text-color);
            }
        }
    }

    .lds-ring {
        display: inline-block;
        position: relative;
        width: 60px;
        height: 60px;

        &>div {
            box-sizing: border-box;
            display: block;
            position: absolute;
            width: var(--size, 48px);
            height: var(--size, 48px);
            margin: 8px;
            border: 6px solid black;
            border-radius: 50%;
            animation: lds-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
            border-color: black transparent transparent transparent;

            &:nth-child(1) {
                animation-delay: -0.45s;
            }
            &:nth-child(2) {
                animation-delay: -0.3s;
            }
            &:nth-child(3) {
                animation-delay: -0.15s;
            }
        }
    }

    .sync-illustration {
        display: flex;
        justify-content: center;
        margin-bottom: 1.5rem;

        .tn-icon {
            font-size: 3em;
            color: var(--muted-text-color);
        }

        >div {
            display: flex;
            flex-direction: column;
            text-align: center;
            gap: 0.5rem;
            line-height: 1;
            font-size: 0.85rem;
        }

        .sync-illustration-arrows {
            width: 60px;
            height: 3em;
            position: relative;

            &::after {
                content: "";
                position: absolute;
                border: 2px dashed var(--main-border-color);
                top: 1.5em;
                left: 0;
                right: 0;
            }
        }
    }

    h1 {
        font-size: 1.4em;
        text-align: center;
    }

    h1 + p {
        text-align: center;
        color: var(--muted-text-color);
    }
}

@keyframes lds-ring {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Slide transitions */
.slide-page {
    position: absolute;
    inset: 0;
    padding: 2em;
}

.slide-out-forward,
.slide-out-backward,
.slide-in-forward,
.slide-in-backward {
    animation-duration: 0.35s;
    animation-timing-function: ease-in-out;
    animation-fill-mode: forwards;
}

.slide-out-forward {
    animation-name: slide-out-left;
}

.slide-out-backward {
    animation-name: slide-out-right;
}

.slide-in-forward {
    animation-name: slide-in-right;
}

.slide-in-backward {
    animation-name: slide-in-left;
}

@keyframes slide-out-left {
    from { transform: translateX(0); opacity: 1; }
    to   { transform: translateX(-100%); opacity: 0; }
}

@keyframes slide-out-right {
    from { transform: translateX(0); opacity: 1; }
    to   { transform: translateX(100%); opacity: 0; }
}

@keyframes slide-in-right {
    from { transform: translateX(100%); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
}

@keyframes slide-in-left {
    from { transform: translateX(-100%); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
}