/* Fonts - 100% free from www.dafont.com */

/* Header fonts */
@font-face {
    font-family: 'squarefontregular';
    src: url('../fonts/square/square-webfont.woff2') format('woff2'),
         url('../fonts/squre/square-webfont.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'bitcheeseregular';
    src: url('../fonts/bitcheese/bitcheese-webfont.woff2') format('woff2'),
         url('../fonts/bitcheese/bitcheese-webfont.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'aaaiightregular';
    src: url('../fonts/aaaiight/aaaiight-webfont.woff2') format('woff2'),
         url('../fonts/aaaiight/aaaiight-webfont.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'mattildaregular';
    src: url('../fonts/mattilda/mattilda-webfont.woff2') format('woff2'),
         url('../fonts/mattilda/mattilda-webfont.woff') format('woff');
    font-weight: 1000;
    font-style: normal;
}

@font-face {
    font-family: 'rumpiregular';
    src: url('../fonts/rumpi/rumpi-webfont.woff2') format('woff2'),
         url('../fonts/rumpi/rumpi-webfont.woff') format('woff');
    font-weight: 1600;
    font-style: normal;
}

/* Calculator display font*/
@font-face {
    font-family: 'liquid_crystalbold_italic';
    src: url('../fonts/liquid/liquidcrystal-bolditalic-webfont.woff2') format('woff2'),
         url('../fonts/liquid/liquidcrytal-bolditalic-webfont.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}


/* Variables for colors and fonts */

:root {
    --standard-font: Courier New;
    --calc-font: liquid_crystalbold_italic;
    --header-font: squarefontregular;
    --body-color:  #f0f8ff;
    --header-color: #FFFF00;
    --background-color: #AEF3FB;
    --element-color: #F0FFFF;
    --text-color: #000000;
    --border-color: #000000;
}


[theme="ukraine"] {
    --header-color: #FFFF00;
    --body-color:  #f0f8ff;
    --element-color: #F0FFFF;
    --background-color: #AEF3FB;
    --text-color: #000000;
    --border-color: #000000;
}

[theme="denmark"] {
    --header-color:  #ff6f6f;
    --body-color:  #ffeaea;
    --element-color: #F0FFFF;
    --background-color: #edfdff;
    --text-color: #000000;
    --border-color: #000000;
}

[theme="finland"] {
    --header-color: #97d8f0;
    --body-color:  #f0f8ff;
    --element-color: #F0FFFF;
    --background-color: #ffffff;
    --text-color: #000000;
    --border-color: #000000;
}

[theme="california"] {
    --header-color: #ff9224;
    --body-color:  #424242;
    --element-color: #ffffae;
    --background-color: #ffd133;
    --text-color: #000000;
    --border-color: #000000;
}

[theme="miss-pinky"] {
    --header-color: #f969fc;
    --body-color:  #f8dfff;
    --element-color: #F0FFFF;
    --background-color: #fec2e8;
    --text-color: #000000;
    --border-color: #000000;
}

[theme="light-green"] {
    --header-color: #9bf9dd;
    --body-color:  #e0fefa;
    --element-color: #f7f7f7;
    --background-color: #e3e8e8;
    --text-color: #000000;
    --border-color: #0c651c;
}

[theme="old-school-orange"] {
    --header-color: #333333;
    --body-color: #424242;
    --element-color: #424242;
    --background-color: #424242;
    --text-color: #ffa500;
    --border-color: #ffa500;
}

[theme="old-school-green"] {
    --header-color: #333333;
    --body-color: #424242;
    --element-color: #424242;
    --background-color: #424242;
    --text-color: #66ff00;
    --border-color: #66ff00;
}

[theme="grayscale"] {
    --header-color: #6c6c6c;
    --body-color: #000000c2;
    --element-color: #ffffff;
    --background-color: #c0c0c0;
    --text-color: #000000;
    --border-color: #000000;
}

[theme="the-matrix"] {
    --header-color: #000000e7;
    --body-color: #333333;
    --element-color: #F0FFFF;
    --background-color: #333333;
    --text-color: #008f11;
    --border-color: #008f11;
}

[theme="flower-power"] {
    --header-color: #00ff00;
    --body-color:  #ffff00;
    --element-color: #f2f2f2;
    --background-color: #ffff00;
    --text-color: #000000;
    --border-color: #000000;
}

[theme="80s-nail-polish"] {
    --header-color: #00ffff;
    --body-color:  #ff80ff;
    --element-color: #ccffff;
    --background-color: #ff80ff;
    --text-color: #000000;
    --border-color: #000000;
}


/* Page layout */

*{
    box-sizing: border-box;
}

body{
    margin: auto;
    margin-top: 0;
    background-color: var(--body-color);
    max-width: 800px;
    min-width: 320px;
    font-family: var(--standard-font), monospace;
}

#app{
    color: var(--text-color);
    background-color: var(--background-color);
    height: 100vh;
}

header{
    background-color: var(--header-color);
    display: flex;
    justify-content: space-between;
    position: relative;
}


/* Headlines */

h1, h2, h3{
    margin: 0;
    padding: 0.1rem 1rem 0.1rem 1rem;
    font-family: var(--header-font), monospace;
    color: var(--text-color);
}

h1{
    font-size: 2rem;
}

h2{
    font-size: 1.4rem;
}


/* Diplay menus */

.user-div{
    animation: user-div-dropdown 200ms forwards ease-out;
    transform-origin: top;
    background-color: var(--background-color);
    position: absolute;
    right: 0.2rem;
    z-index: 8;
    border: 2px solid var(--border-color);
    min-width: 300px;
    width: calc(640px - 0.4rem);
    max-width: calc(100vw - 0.4rem);
    border-radius: 0.2rem;
    padding: 1rem 0.4rem 0.5rem 0.4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-height: calc(100vh - 3.4rem);
}

.error{
    visibility: hidden;
}

.error.show{
    visibility:visible;
}

.user-div h2{
    max-width: 80%;
}

.user-btn{
    border: 2px solid var(--border-color);
    background-color: var(--header-color);
    font-family: var(--standard-font), monospace;
    color: var(--text-color);
    width: 6rem;
    height: 2rem;
    padding: 0;
    margin:0.2rem;
    cursor: pointer;
    font-weight: bold;
    font-size: 1rem;
    border-radius: 0.2rem;
}

select, input{
    border: 2px solid var(--border-color);
    margin: 0.1rem;
    background-color: var(--element-color);
    font-family: var(--standard-font), monospace;
    font-size: 1rem;
    font-weight: bold;
    color: var(--text-color);
    width: 11rem;
    height: 2rem;
}

.x-window{
    position: absolute;
    width: 2rem;
    cursor: pointer;
    right: 0.4rem;
    top: 0.4rem;
    fill: var(--text-color);
    transition: scale 50ms ease-out;
}

.x-window:hover{
    scale: 1.1;
}


/* Login */

.login-btn{
    background-color: var(--background-color);
    font-family: var(--standard-font), monospace;
    font-weight: bold;
    border: 2px solid var(--border-color);
    height: 2rem;
    border-radius: 0.2rem;
    font-size: 0.9rem;
    margin: 0.2rem;
    color: var(--text-color);
    cursor: pointer;
    box-shadow: -1px 1px;
}

#login-container{
    position: relative;
    z-index: 10;
}


/* Register */

#register-input{
    margin-top: 0.4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#register h1{
    font-size: 2rem;
    margin-top: 2rem;
}

#register{
    display: flex;
    flex-direction: column;
    align-items: center;
}

#register li{
    font-size: 1rem;
    marker: none;
    transform: translateY(0);
    opacity: 1;
    transition: 500ms ease-in;
    padding: 0.5rem;
}

#register li.regex-true::marker {
    content: '✓';
    font-family: var(--standard-font);
    color: var(--text-color);
    font-size: 1.3rem;
    line-height: 1rem;
}

#register li.regex-false::marker {
    content: 'x';
    font-family: var(--standard-font);
    color: var(--text-color);
    font-size: 1.5rem;
    line-height: 1rem;
}

#register li.hide{
    transform: translateY(50px);
    opacity: 0;
}

#register button:disabled{
    cursor: not-allowed;
}

#register-status{
    position: absolute;
    inset: 0;
    text-align: center;
}

#register>ul{
    position: relative;
}


/* Logged in user info*/

#history-table{
    max-height: 250px;
    border: 1px solid var(--border-color);
    overflow-y: scroll;
    margin: 0.2rem;   
    width: 100%;
}

#history-table table{
    border-collapse: collapse; 
    width: 100%;
}

#history-table tr:not(:last-child){
    border-bottom: 1px solid var(--border-color);
}

#history-table th{
    position: relative;
    height: 3rem;
    cursor: pointer;
    padding: 0.2rem;
    padding-bottom: 1rem;
    background-color: var(--header-color);
    color: var(--text-color);
}

#history-table td{
    padding: 0.2rem;
    width: 140px;
}

#history-table td:not(:first-child):not(:last-child){
    text-align: center;
}

.sort-arrow{
    position: absolute;
    bottom: 0;
    left: calc(50% - 13px);
    width: 26px;
    fill: var(--text-color);
}


/* Admin */

#admin{
    overflow-y: scroll;
    margin: 0.2rem;
    padding: 0.2rem;
    width: 100%;
}

.manage{
    margin-top: 0.5rem;
} 

.arrows{
    height: 2rem;
    fill: var(--text-color);
}

.matrix-input{
    background-color: var(--element-color);
    width: 3rem;
    height: 3rem;
    padding: 0.2rem;
    text-align: center;
}


/* Select matrix */

#select-container{
    background-color: var(--background-color);
    display: flex;
    padding: 0.2rem;
    position: relative;
}

#select-container select{
    font-size: 0.8rem;
}

#select-size{
    width: 4rem;
}

#select-difficulty{
    width: 6rem;
}

#select-matrix{
    width: 12rem;
}

.option-btn{
    width: 25px;
    margin-right: 0.8rem;
    cursor: pointer;
    fill: var(--text-color);
    transition: scale 50ms ease-out;
}

.option-btn:hover{
    scale: 1.1;
}


/* The matrix */

main{
    background-color: var(--background-color);
}

#the-matrix{
    position: relative;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    padding: 0.2rem;
    column-gap: 1rem;
}

#matrix {
    width: 290px;
    position: relative;
    aspect-ratio: 1/1;
}

#matrix .fraction {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 1.7rem;
    width: 1.7rem;
    margin: auto;
    line-height: 1.3rem;
}

#matrix .fraction td {
    text-align: center;
    font-size: 1rem;
    font-weight: bold;
    color: var(--text-color);
    transition: font-size 200ms ease-out;
}

#matrix tr[row]:not(.mark)>td:not(.click-row){
    background-color: var(--element-color);
}

#matrix tr[row]>td:not(.click-row){
    border: 2px solid var(--border-color);
}

table .fraction tr+tr {
    border-top: 2px solid var(--text-color);
}

#matrix .mark {
    background-color: var(--header-color);
}

#matrix tr{
    position: relative;
}

.click-row{
    position: absolute;
    inset: 0;
    z-index: 3;
    cursor: pointer;
}


/* Calculator */

#display{
    margin-top: 0.1rem;
    border: 2px solid var(--border-color);
    width: 284px;
    overflow: hidden;
    background-color: var(--element-color);
}

#display h3{
    font-family: var(--calc-font);
    padding: 0.4rem;
    height: 100%;
    line-height: 1rem;
}

h3.choose {
    animation: choose 600ms forwards ease-out;
}

#keypad{
    width: 284px;
    margin: auto;
}

#keypad td{
    width: 2.5rem;
    height: 2.5rem;
}

.calc-btns{
    background-color: var(--element-color);
    border: 2px solid var(--border-color);
    color: var(--text-color);
    width: 100%;
    height: 100%;
    color: var(--text-color);
    font-size: 1.5rem;
    font-family: Arial, Helvetica, sans-serif;
}

.calc-btns:disabled{
    opacity: 0.4;
}

#equalBtn{
    position: relative;
}

#equalBtn button{
    position: absolute;
    inset: 0.1rem;
    font-size: 3rem;
}

#swap{
    width: 1.5rem;
    padding-top: 0.2rem;
    fill: var(--text-color);
}


/* High scores */

#high-scores{
    font-family: var(--header-font);
    overflow-y: auto;
}

#high-scores table{
    width: 100%;
    margin-top: 0.4rem;
}


/* Info */

#info-scroll{
    background-color: var(--background-color);
    overflow-y: scroll;
    max-height: 75vh;
    padding: 0 0.4rem 0.4rem 0.4rem;
}

.setting-h2{
    border-bottom: 1px solid var(--border-color);
    width: 100%;
    text-align: center;
    margin-bottom: 0.4rem;
}

.setting-h3{
    margin: 0.4rem;
}

.info-div {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    margin: 0.4rem;
}

.highlight {
    background-color: var(--header-color);
}

.regular {
    background-color: var(--element-color);
}

.info-td {
    height: 1.8rem;
    width: 1.8rem;
    aspect-ratio: 1/1;
    font-size: 0.7rem;
    font-weight: bold;
    padding: 0.2rem;
    border: 2px solid var(--border-color);
    text-align: center;
}

.show-op {
    border: 2px solid var(--border-color);
    width: 8rem;
    font-size: 1rem;
    font-family: var(--calc-font), monospace;
    padding: 0.2rem;
}

.equal {
    font-size: 2rem;
}


/* Modal */

#modal-background{
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
}

#modal-window{
    width: 300px;
    animation: modal-dropdown 500ms forwards;
    background-color: var(--background-color);
    z-index: 10;
}

#modal-window .modal-content{
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 50px;
    padding: 0 1rem 0 1rem;
}

#modal-window .modal-btns{
    background-color: var(--background-color);
    display: flex;
    justify-content: center;
    padding: 0.5rem;
}

.modal-content p{
    margin: 0.5rem;
}


/* Custom color */

#custom-color{
    border-top: 2px solid #000000;
    border-bottom: 2px solid #000000;
    margin: 1rem;
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#custom-color input{
    width: 2rem;
    height: 2rem;
}

#custom-color div{
    display: flex;
    width: 10rem;
    justify-content: space-between;
    align-items: center;
}


/* Keyframes */

@keyframes modal-dropdown {
    0%{
        transform: translateY(-100vh);
    }

    100%{
        transform: translateY(0);
    }
}

@keyframes user-div-dropdown{
    0%{
        transform: scaleY(0.4);
        opacity: 0;
    }
    100%{
        transform: scaleY(1);
        opacity: 1;
    }
}

@keyframes choose{
    0% {
        transform: translateX(100%);
    }

    100% {
        transform: translateX(0%);
    }
}

@media only screen and (min-width: 768px) {
    #matrix{
        width: 370px;
    }

    #display{
        width: 370px;
    }

    #display h3{
        padding: 1rem;
    }

    #keypad{
        width: 370px;
    }

    #matrix .fraction td{
        font-size: 1.5rem;
    }

    #keypad td{
        width: 3.5rem;
        height: 3.5rem;
    }

    h1{
        font-size: 3rem;
    }
    
    h2{
        font-size: 1.6rem;
    }

    .user-div{ 
        max-height: calc(100vh - 6.2rem);
    }
  }