/* https://stackoverflow.com/questions/74144034/why-is-the-css-height100vh-rule-exceeding-the-viewport-height-on-mobile-device */
html,
body,
body > .main-wrapper,
body > .main-wrapper > .canvas-wrapper {
    height: 100%;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

.main-wrapper {
    position: relative;
    /* don't set height with vh, vh inconsistent across mobile views */
    /* height: 100vh; */
    width: 100%;
}

/* -------------landing page---------------- */
.landing-page {
    position: absolute;
    top: 0;
    left: 0;
    height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-image: url(/assets/make/white-room.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: bottom;
    opacity: 1;
    transition: opacity 3s ease-out;
    z-index: 100;
}

.landing-page.disappear {
    opacity: 0;
}

.landing-page p {
    color: var(--black);
    font-size: 1.4rem;
    line-height: .6;
    text-align: center;
}

.landing-page p:nth-of-type(2n) {
    margin-top: .6rem;
    font-family: 'Vibur', sans-serif;
}

.landing-page-btn {
    background: var(--white);
    color: var(--black);
    border: 0;
    margin-top: 2rem;
    padding: .4rem 2rem;
    font-size: 1.4rem;
    border-radius: 45% 55% 70% 30% / 30% 49% 51% 70%;
    box-shadow: 0 5px 10px rgba(0, 0, 0, .6);
    transition: border-radius 1s ease-in;
}

.landing-page-btn:hover {
    padding: .6rem 2rem;
    background: linear-gradient(20deg, var(--yellow), var(--green), #77a1d3, #79cbca, var(--pink));
    border-radius: 26% 74% 13% 87% / 63% 67% 33% 37%;
    animation: rainbow 1.5s ease-in infinite;
}

@keyframes rainbow {
    to {
        background-position: 15em;
    }
}

.landing-page-btn:focus {
    outline: 0;
}

.landing-page-btn:active {
    transform: scale(.98);
}

/* -----------hidden menu buttons----------- */
header {
    opacity: 0;
    transition: opacity .8s ease-in;
}

header:hover {
    background: linear-gradient(to bottom, #f2f2f2, #dbdbdb, #eaeaea, var(--white));
    opacity: .6;
}

/* undo hover effects when menu active  */
.menu.active+header {
    opacity: 1;
}

.menu.active+header:hover {
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0));
}

/* -----------------canvas---------------------- */
.canvas-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    /* don't set height with vh, vh inconsistent across mobile views */
    /* height: 100vh; */
    display: flex;
    flex-direction: column;
    /* disable browser handling of all panning and zooming gestures */
    touch-action: none;
}

#draw {
    position: absolute;
    top: 0;
    left: 0;
}

/* ----------------toolbox---------------------- */
.toolbox {
    position: absolute;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding-bottom: 0;
    height: 100vh;
    background: linear-gradient(20deg, #f2f2f2, #dbdbdb, #eaeaea, var(--white));
    opacity: 0;
    transition: opacity 4s ease-in;
}

.toolbox.active {
    opacity: 1;
}

.toolbox .fas {
    color: var(--black);
    padding: 1rem 1.2rem;
    font-size: 2rem;
    cursor: pointer;
}

.toolbox .fas:last-child {
    padding-bottom: 1.5rem;
}

.toolbox:hover {
    cursor: none;
}

/* toolbox buttons */
.toolbox .fas:hover,
.toolbox .fa-paw.active:hover {
    background: linear-gradient(45deg, var(--yellow), var(--pink));
    color: transparent;
    background-clip: text;
    -webkit-background-clip: text;
}

.toolbox .fa-paw.active,
.toolbox .fa-mortar-pestle.active,
.toolbox .fas:active {
    background: var(--green);
    color: transparent;
    background-clip: text;
    -webkit-background-clip: text;
}

.browser-ext-div {
    display: flex;
    position: relative;
    background-color: transparent;
}

.badge {
    position: absolute;
    top: 2.5em;
    left: 4.5em;
    margin: 0;
    font-size: .4em;
    color: var(--white);
    background-color: var(--pink);
    text-decoration: none;
}

/* blend mode picker */
.blendmode-modal-backdrop {
    position: fixed;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0);
    z-index: 1000;
    display: none;
}

.blendmode-modal-backdrop.active {
    display: block;
}

#blendmode-modal {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    align-content: center;
    align-items: center;
    justify-items: start;
    gap: .8rem;
    position: absolute;
    bottom: 4.7rem;
    left: 5rem;
    background-color: var(--green);
    background: linear-gradient(to right, var(--green), var(--white));
    padding: 2rem 2rem;
    border: var(--black) dashed 2px;
}

.blendmode-list-item {
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

/* reorder blend mode list alphabetically by column */
.blendmode-list-item:nth-of-type(8n+1) {
    grid-row: 1;
}

.blendmode-list-item:nth-of-type(8n+2) {
    grid-row: 2;
}

.blendmode-list-item:nth-of-type(8n+3) {
    grid-row: 3;
}

.blendmode-list-item:nth-of-type(8n+4) {
    grid-row: 4;
}

/* remove native radio button style */
.blendmode-list-item input {
    display: none;
    outline: 0;
}

.blendmode-list-item label {
    color: var(--black);
    font-size: .8rem;
}

/* custom radio button styles */
.blendmode-list-item input+label:before,
.blendmode-list-item input:not(:checked)+label:before {
    content: "⬜ ";
    width: .8rem;
    height: .8rem;
    cursor: pointer;
}

.blendmode-list-item input:checked+label:before {
    content: "🐽 ";
}

/* paw print pulse animation */
#pawsify {
    position: absolute;
    transform: translate(-50%, -50%) scale(0);
    animation: pulse 0.6s linear;
    z-index: 1000;
}

@keyframes pulse {
    to {
        transform: translate(-50%, -50%) scale(5);
        opacity: 0;
    }
}

/* -----------------------media queries------------------------- */
@media (max-width: 799px) {
    header {
        padding: 2rem 2rem 0;
    }

    .landing-page p {
        line-height: 1;
    }

    .toolbox {
        flex-direction: row;
        justify-content: flex-start;
        align-items: flex-start;
        width: 100%;
        height: 6%;
        padding-bottom: 3.5rem;
        left: 0;
        bottom: 0;
    }

    .toolbox .fas {
        font-size: 1.5rem;
        padding: 1rem .8rem;
    }

    .toolbox .fas:first-child {
        padding-left: 1.6rem;
    }

    #blendmode-modal {
        bottom: 4rem;
        left: 1rem;
    }

    .badge {
        font-size: .3em;
        top: 3.5em;
        left: 6.5em;
    }
}

@media (max-width: 551px) {
    .menu li {
        margin: 1.7rem 0;
    }

    .menu li a {
        padding: .6rem;
        font-size: 1rem;
    }

    .landing-page p,
    .landing-page-btn {
        font-size: 1.2rem;
    }

    #blendmode-modal {
        bottom: 4rem;
        left: 1rem;
        grid-template-columns: repeat(2, 1fr);
        background: linear-gradient(to top, var(--green), var(--white));
    }
}