#app {
    width: 100vw;
    --innerHeight: calc(100dvh - 5rem);
    height: 100dvh;
    overflow: hidden;
    overflow-y: auto;

    .editor {
        width: 100%;
        height: var(--innerHeight);
        position: relative;
        user-select: none;
        background: linear-gradient(180deg, #99d1ff, #fff);

        #layer-2D-viewer {
            width: var(--innerHeight);
            height: var(--innerHeight);
            background: #fff;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        #viewport {
            width: 100%;
            height: 100%;
        }

        .top-helpers {
            position: absolute;
            top: 1rem;
            left: 50%;
            transform: translateX(-50%);
            background: #fff;
            display: flex;
            gap: 2rem;
            padding: 0.5rem 1rem;
            border-radius: 0.5rem;
            font-weight: 700;
            box-shadow: 0 0 10px var(--border-color-darker);
            z-index: 1;

            .top-helper {
                border: 1px solid var(--border-color-darker);
                padding: 0.25rem 1rem;
                border-radius: 0.25rem;
                cursor: pointer;
                position: relative;

                &[active="true"] {
                    background-color: var(--color-primary-light-9);
                    color: var(--color-primary);
                }

                .exports-pop {
                    position: absolute;
                    top: calc(100% + 1rem);
                    left: 0;
                    display: grid;
                    grid-template-rows: 0fr;
                    transition: grid-template-rows .2s;
                    color: var(--text-color-primary);

                    .exports-pop-inner {
                        margin-top: 0.5rem;
                        background-color: #fff;
                        border-radius: 0.25rem;
                        display: flex;
                        flex-direction: column;
                        box-sizing: border-box;
                        padding: 0 1rem;
                        width: fit-content;
                        gap: 1rem;
                        grid-row: 1 / 10;
                        overflow: hidden;
                        transition: padding .2s;
                        box-shadow: 0 0 10px var(--border-color-darker);

                        .export {
                            padding: 0.5rem 1rem;
                            cursor: pointer;
                            border: 1px solid var(--border-color-darker);
                            border-radius: 0.25rem;
                            box-sizing: border-box;
                            white-space: nowrap;

                            &:hover {
                                color: var(--color-primary);
                                background-color: var(--color-primary-light-9);
                            }
                        }
                    }
                }

                &[export][active="true"] .exports-pop {
                    grid-template-rows: 1fr;

                    .exports-pop-inner {
                        padding: 1rem;
                    }
                }
            }
        }

        .blocks {
            position: absolute;
            top: 1rem;
            left: 1rem;
        }

        .settings-pop {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            background: #fff;
            box-sizing: border-box;
            border-radius: 0.25rem;
            box-shadow: 0 0 10px var(--border-color-darker);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;

            .settings-title {
                font-weight: 700;
                margin-bottom: 0;
                display: flex;
                justify-content: space-between;
                align-items: center;
                padding: 1rem;

                & svg {
                    width: 1.5rem;
                    height: 1.5rem;
                    cursor: pointer;
                }
            }

            & pea-input-number {
                width: 10rem;
                height: 2.5rem;
            }

            .settings-item {
                display: none;
                grid-template-columns: 5rem 1fr;
                align-items: center;
                padding: 0.5rem 1rem;
            }

            .scale {
                display: none;
                padding: 0.5rem 1rem;
                flex-direction: column;
                align-items: flex-end;
                gap: 0.5rem;

                &>* {
                    flex-shrink: 0;
                    width: 100%;
                }

                & pea-input-number {
                    width: 14rem;
                }
            }

            &[active="true"] {
                cursor: default;

                .settings-item {
                    display: grid;
                }

                .scale {
                    display: flex;
                }
            }
        }

        .layer-slider-container {
            position: absolute;
            right: 1rem;
            top: 50%;
            transform: translateY(-50%);
            height: 90%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;

            &>svg {
                width: 2rem;
                height: 2rem;
                background: rgba(0, 0, 0, 0.8);
                box-sizing: border-box;
                padding: 0.25rem;
                border-radius: 0.25rem;
                cursor: pointer;

                &>path {
                    fill: #fff;
                }
            }

            .layer-slider {
                transform: translate(-50%, -50%) rotate(-90deg);
                position: absolute;
                left: 50%;
                top: 50%;
                width: calc((var(--innerHeight) - 2rem) * 0.9 - 5rem);

                &>input {
                    width: 100%;
                    opacity: 0;

                    &::-webkit-slider-thumb {
                        -webkit-appearance: none;
                        -moz-appearance: none;
                        appearance: none;
                        cursor: pointer;
                        border: 1rem solid transparent;
                    }
                }

                .slider-btn {
                    content: attr(layer, "1");
                    width: 2rem;
                    height: 2rem;
                    background: rgba(0, 0, 0, 0.8);
                    position: absolute;
                    top: 50%;
                    transform: rotate(90deg) translateX(-50%);
                    z-index: 1;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    color: #fff;
                    left: calc(100% * var(--value) - 2rem * var(--value));
                    pointer-events: none;
                    border-radius: 0.25rem;
                }

                &::after {
                    content: "";
                    width: 100%;
                    background: rgba(0, 0, 0, 0.5);
                    position: absolute;
                    left: 1px;
                    top: calc(50% - 1px);
                    height: 0.5rem;
                    transform: translateY(-50%);
                    border-radius: 1rem;
                    pointer-events: none;
                }
            }
        }

        .commands-pop {
            position: absolute;
            left: 0;
            top: 0;
            z-index: 1;
            width: 100vw;
            height: 100dvh;
            background: rgba(0, 0, 0, 0.3);

            .commands-inner {
                position: absolute;
                left: 50%;
                top: 50%;
                transform: translate(-50%, -50%);
                background: #fff;
                box-sizing: border-box;
                padding: 1rem;
                border-radius: 0.5rem;
                width: 40rem;
                max-width: 95vw;

                .commands-title {
                    font-weight: 700;
                    font-size: 1.5rem;
                }

                .commands-body {
                    max-height: 15rem;
                    overflow: hidden;
                    overflow-y: auto;
                    margin: 1rem 0;
                    display: flex;
                    flex-direction: column;
                    gap: 1rem;

                    .command-item {
                        border: 1px solid var(--border-color-darker);
                        box-sizing: border-box;
                        padding: 1rem;

                        .command-item-title {
                            display: flex;
                            align-items: center;
                            justify-content: space-between;
                            border-bottom: 1px solid var(--border-color-darker);
                            padding-bottom: 1rem;
                            font-weight: 700;

                            &>svg {
                                width: 1.5rem;
                                height: 1.5rem;
                                cursor: pointer;

                                &:hover path {
                                    fill: var(--color-primary);
                                }
                            }
                        }

                        .command-text {
                            width: 100%;
                            overflow: hidden;
                            white-space: nowrap;
                            overflow-x: auto;
                        }
                    }
                }

                .download-command {
                    color: #fff;
                    background: var(--color-primary);
                    width: fit-content;
                    margin-left: auto;
                    padding: 0.5rem 1rem;
                    border-radius: 0.25rem;
                    cursor: pointer;
                }
            }
        }
    }

    .page {
        box-sizing: border-box;
        padding: 7rem 10rem;
        text-align: center;

        & h2 {
            font-size: 2.5rem;
            margin-bottom: 4rem;

            &:has(+p) {
                margin-bottom: 0 !important;
            }
        }

        .index-page {
            width: 100%;
            display: grid;
            grid-template-columns: 1fr auto;

            .index-page-left {
                text-align: start;
                line-height: 1.5;

                &>h2 {
                    font-size: 2rem;
                    margin: 0;
                }

                a.start-GPR {
                    background: var(--color-primary);
                    display: flex;
                    width: fit-content;
                    padding: 0.5rem 1rem;
                    color: #fff;
                    border-radius: 0.5rem;
                    cursor: pointer;
                    gap: 1rem;
                    align-items: center;

                    &>svg {
                        width: 1.5rem;
                        height: 1.5rem;

                        &>path {
                            fill: #fff;
                        }
                    }
                }
            }

            &>img {
                max-width: 35vw;
                margin-left: 2rem;
            }
        }

        .how-use-items {
            display: flex;
            justify-content: space-between;
            gap: 3rem;

            .how-use-item {
                width: 33.33%;
                box-sizing: border-box;
                box-shadow: 0 0 10px var(--border-color-darker);
                border-radius: 0.5rem;
                padding: 1rem;
                text-align: start;

                &>b {
                    font-size: 2rem;
                    background: var(--color-primary-light-8);
                    color: var(--color-primary);
                    width: 4rem;
                    height: 4rem;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    border-radius: 10rem;
                }
            }
        }

        .key-features-items {
            display: grid;
            grid-template-columns: repeat(3, calc(33.33% - 1.35rem));
            gap: 2rem;

            .key-features-item {
                border: 1px dashed var(--color-primary);
                border-radius: 1rem;
                box-sizing: border-box;
                padding: 2rem;
                text-align: start;

                &>img {
                    width: 2rem;
                    height: 2rem;
                    background: var(--color-primary-light-8);
                    box-shadow: 0 0 0 0.7rem var(--color-primary-light-8);
                    clip-path: circle(80%);
                }
            }
        }

        .faqs {
            text-align: center;
            width: 80%;
            margin: 0 auto;

            .faq {
                text-align: start;
                background: var(--bg-color-page);
                box-sizing: border-box;
                margin-bottom: 2rem;
                border-radius: 1rem;

                &>h3 {
                    display: flex;
                    align-items: center;
                    justify-content: space-between;
                    margin: 0;
                    position: relative;
                    padding: 1.5rem;

                    &>input {
                        width: 100%;
                        height: 100%;
                        position: absolute;
                        left: 0;
                        top: 0;
                        opacity: 0;
                        margin: 0;
                        cursor: pointer;
                    }

                    &>svg {
                        transform: rotate(0deg);
                        transition: transform .2s;
                        pointer-events: none;
                        flex-shrink: 0;
                    }
                }

                &>div {
                    display: grid;
                    grid-template-rows: 0fr;
                    transition: grid-template-rows .2s;

                    & ul,
                    & p {
                        grid-row: 1 / 10;
                        overflow: hidden;
                        margin: 0;
                        padding: 0rem 1.5rem;
                        transition: padding .2s;
                    }

                    & ul {
                        margin: 0 1.5rem;
                    }
                }

                &:has(input:checked) {
                    & svg {
                        transform: rotate(95deg);
                    }

                    &>div {
                        grid-template-rows: 1fr;

                        & p {
                            padding: 0 1.5rem 2rem;
                        }

                        & ul {
                            margin: 0 1.5rem 2rem;
                        }
                    }
                }
            }
        }

        .how-to-customize {
            width: 70rem;
            margin: 0 auto 7rem;

            .how-to-customize-tem {
                display: grid;
                grid-template-areas: "a b";
                grid-template-columns: auto 1fr;
                align-items: center;
                text-align: start;
                margin-top: 3rem;

                & h3 {
                    font-size: 1.8rem;
                    margin-bottom: 3rem;
                }

                &>img {
                    grid-area: a;
                    width: 100%;
                    max-width: 30vw;
                    margin-right: 4rem;
                    border-radius: 1rem;
                    box-shadow: 0 0 10px var(--border-color-darker);
                }

                &>div {
                    grid-area: b;
                }

                &:nth-child(even) {
                    grid-template-areas: "b a";
                    grid-template-columns: 1fr auto;

                    &>img {
                        margin: 0;
                        margin-left: 4rem;
                    }
                }
            }
        }
    }

    .generator-options {
        width: calc(100vw - 20rem);
        margin: 7rem auto;

        .generator-options-title {
            margin: 0;
            background: var(--color-primary);
            text-align: center;
            padding: 1.5rem 0;
            font-size: 2.5rem;
            color: #fff;
        }

        .generator-option {
            display: grid;
            grid-template-columns: 13rem 1fr;
            align-items: center;
            min-height: 10rem;
            line-height: 1.8;

            &:nth-child(odd) {
                background-color: var(--color-info-light-9);
            }

            .generator-option-title {
                text-align: center;
            }
        }
    }

    .start-creating {
        position: relative;
        box-sizing: border-box;
        padding: 7rem 10rem;
        text-align: center;
        font-size: 1.5rem;

        &>img {
            position: absolute;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: -1;
            opacity: 0.5;
        }

        &>h2 {
            font-size: 3rem;
        }

        &>p {
            margin: 2rem 0 5rem;
        }

        .start-creating-btn {
            background: var(--color-primary);
            width: fit-content;
            margin: 3rem auto 0;
            color: #fff;
            padding: 1rem 2rem;
            border-radius: 0.5rem;
            cursor: pointer;
        }
    }
}

@media screen and (max-width: 1300px) {
    #app {
        .page {
            .what {
                width: 100%;
            }
        }
    }
}

@media screen and (max-width: 900px) {

    .head {
        font-size: 1.25rem;
    }

    #app {
        & .editor {
            .blocks {
                top: unset;
                bottom: 1rem;
            }
        }

        .editor {
            #layer-2D-viewer {
                width: 100vw;
                height: 100vw;
            }

            .layer-slider-container {
                height: 70%;

                .layer-slider {
                    width: calc((var(--innerHeight) - 2rem) * 0.7 - 5rem);

                    .slider-btn {
                        pointer-events: unset;
                    }
                }
            }

            .top-helpers {
                .top-helper {
                    .exports-pop {
                        position: fixed;

                        .exports-pop-inner {
                            .export {
                                &:hover {
                                    color: unset;
                                    background-color: unset;
                                }
                            }
                        }
                    }
                }
            }
        }

        .page {
            padding: 1rem 2.5vw;

            & h2 {
                font-size: 2rem;
            }

            .index-page {
                display: flex;
                flex-direction: column;
                align-items: center;

                .index-page-left {
                    text-align: center;
                    margin-bottom: 1rem;

                    a.start-GPR {
                        margin: 0 auto;
                    }
                }

                &>img {
                    margin: 0;
                    width: 100%;
                    max-width: unset;
                }
            }

            .how-use-items {
                display: flex;
                gap: 3rem;
                flex-direction: column;
                align-items: center;
                margin-top: 5rem;

                .how-use-item {
                    width: 100%;
                    margin: 0 !important;
                }
            }

            .key-features-items {
                display: flex;
                flex-direction: column;
                align-items: center;

                .key-features-item {
                    width: 100%;
                }
            }

            .faqs {
                width: 100%;

                & h3 {
                    font-size: 1.2rem;
                }
            }

            .how-to-customize {
                width: 95vw;
                max-width: unset;

                .how-to-customize-tem {
                    grid-template-areas: "a" "b";

                    & h3 {
                        margin: 1rem 0 0.5rem;
                    }

                    &>img {
                        border-radius: 0.25rem;
                        width: 100%;
                        max-width: unset;
                        margin: 0;
                    }

                    &:nth-child(even) {
                        grid-template-areas: "a" "b";

                        &>img {
                            margin: 0;
                        }
                    }
                }
            }
        }

        .generator-options {
            width: 95vw;

            .generator-options-title {
                background: unset;
                color: inherit;
            }

            .generator-options-body {
                display: flex;
                flex-direction: column;
                gap: 2rem;
                margin-top: 2rem;

                .generator-option {
                    display: flex;
                    flex-direction: column;
                    background: unset;
                    border: 1px solid var(--border-color-darker);
                    box-sizing: border-box;
                    padding: 1rem;
                    border-radius: 0.5rem;
                }
            }
        }

        .start-creating {
            padding: 3rem 2.5vw;

            & h2 {
                font-size: 2rem;
            }

            & br {
                display: none;
            }

            .start-creating-btn {
                margin: 0 auto;
                font-size: 1rem;
            }
        }
    }

}