@import url('https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,100;0,300;0,400;0,700;0,900;1,100;1,300;1,400;1,700;1,900&display=swap');
*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
a{
    text-decoration: none;
}
li a{
    display: block;
}
button:hover{
    cursor: pointer;
}
.unlist{
    list-style: none;
}
html, body{
    overflow-x: hidden;
}
input, textarea, button{
    font-family: lato;
}

.dark a{
    color: rgb(56, 205, 255);
}
.dark a:visited{
    color: rgb(56, 205, 255);
    /* color: rgb(0, 142, 189); */
}
.dark a:hover{
    color: rgb(177, 235, 255);
}
.dark a:active, .dark a:focus{
    color: rgb(255, 177, 177);
}
img{
    margin-block: 1rem;
    width: 100%;
}
img{
    display: block;
    margin-inline: auto;
}
.def-figure{
    width: min(90%, 800px);
    margin-inline: auto;
}
.dark img{
    filter: brightness(0.9) contrast(1.1) saturate(1);
}
img.viewable-img{
    cursor: zoom-in;
}
.viewable-img-con img{
    border: 1px solid #b3b3b3;
}
figcaption, .code-des{
    color: hsl(33, 80%, 28%);
    padding: 0rem 1rem;
    text-align: center;
}
code{
    background-color: var(--code-bg);
    padding: 0.2rem 0.5rem;
    border-radius: 5px;
    color: var(--code-color);

}
button{
    color: var(--p-color);
}
html{
    background-color: var(--background-bg);
}
p{
    margin-block: 1.5rem;
}
main li{
    padding-left: 30px;
    list-style-position: inside;
    font-size: calc(1rem + 0.05vw);
    text-indent: -20px;
    margin-block: 1rem;
    line-height: var(--p-line-height);
    color: var(--p-color);
}

/*Scrollbar*/
*{
    scrollbar-width: thin;
}
:root{
    --scrollbar-track-bg: #fcfcfc;
    --scrollbar-thumb-bg: #c4c4c4;
    --scrollbar-thumb-hover: #d1d1d1;
    --scrollbar-border: 5px;
}
.dark{
    --scrollbar-track-bg: rgb(20, 20, 20);
    --scrollbar-thumb-bg: #7a7a7a;
    --scrollbar-width: 7px;
}

/*SVG style*/
.moving-path{
    stroke: black;
}
.dark .moving-path{
    stroke: white;
}
.svg-rect-bordered{
    stroke: var(--menu-bar-color);
    stroke-width: 2;
}

svg {
    width: 300px;
    margin-inline: auto;
    display: block;
    width: 100%;
}
text {
    font-size: 16px;
    text-anchor: middle;
    fill: var(--p-color);
    font-weight: bold;
}
.moving-path {
    stroke-width: 2;
    fill: none;
    stroke-dasharray: 5;
    animation: movePath 1.5s linear infinite;
}
.reversed-path{
    animation-direction: reverse;
}
.path-text-p{
    fill: var(--p-color)
}
@keyframes movePath {
    to {
        stroke-dashoffset: -10;
    }
}
/*End of SVG style*/

::-webkit-scrollbar {
    width: 10px;
    
}
::-webkit-scrollbar-track {
    background-color: var(--scrollbar-track-bg);
    border-radius: var(--scrollbar-width);
}
::-webkit-scrollbar-thumb {
    background-color: var(--scrollbar-thumb-bg);
    border: 3px solid var(--scrollbar-track-bg);
    border-radius: var(--scrollbar-width);
    width: 6px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}
html{
    scrollbar-width: thin;
    scrollbar-color:  var(--scrollbar-thumb-bg) var(--scrollbar-track-bg);
}
/*End Scrollbar*/


/*Resetting some prism*/
:root{
    --prism-box-shadow: 0px 0px 2px 2px #aaa;
    --prism-padding-block: 15px;
}
.dark{
    --prism-box-shadow: none;
    --prism-padding-block: 0;
}
pre[class*=language-]:after, pre[class*=language-]:before{
    box-shadow: none;
}
pre[class*=language-]>code {
    border-left: none;
    box-shadow: var(--prism-box-shadow);
    padding-block: var(--prism-padding-block);
}
/**/


table, tr, td, th, caption{
    border: 1px solid var(--note-header-color);
    border-collapse: collapse;
}
table{
    background-color: var(--note-content-bg);
    margin-inline: auto;
}
td{
    color: var(--p-color);
    padding: calc(10px + 0.3vw);
    font-size: calc(0.9rem + 0.15vw);
}
caption, thead, th{
    background-color: var(--note-header-bg);
    color: var(--note-header-color);
    font-weight: bold;
    padding: calc(14px + 0.4vw);
    font-size: calc(1rem + 0.15vw);
}



.nav-list .active {
    color: var(--radio-active-color);
    font-weight: bold;
}
.nav-list ul {
    display: none;
}
.nav-list ul.open {
    display: block;
}
.expandable .toggle-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    transform: rotate(90deg);
}
.expandable .toggled-btn, .active .toggle-btn{
    transform: rotate(180deg);
}
li:has(a.active){
    border-left: 2px solid var(--active-border-color);
    background-color: var(--active-bg-color);
}
.sub-nav-ul{
    margin-top: 1rem;
    border-top: 1px solid var(--active-bg-color);
    padding: 1rem;
    background-color: var(--nav-li-bg);
}

p{
    line-height: var(--p-line-height);
    font-size: var(--p-font-size);
    color: var(--p-color);
}

/*Navigation Control*/
.all{
    width: 100%;
    transition: var(--nav-transition);
    margin-top: 80px;
}
.space-for-nav{
    transform: translateX(var(--nav-panel-size));
    width: calc(100% - var(--nav-panel-size));
}
.header-space-for-nav{
    transform: translateX(var(--nav-panel-size));
    width: calc(100% - var(--nav-panel-size));
}

/*Nav styling and nav control*/
nav{
    background-color: black;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    transition: var(--nav-transition);;
    width: 0px;
    transform: translateX(-20px);
}
.open-nav-panel{
    width: var(--nav-panel-size);
    transform: translateX(0px);
}
/*Nav styling*/
nav{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-right: 2px solid #696969;
    overflow-x: hidden;
}
.nav-list{
    background-color: var(--nav-list-bg);
    height: 100%;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow-y: auto;
    border-block: 2px solid var(--nav-borders-color);
}
.nav-list a{
    width: 100%;
}
nav li{
    padding: 14px;
    
}
nav li .expandable{
    display: flex;
    justify-content: space-between;
    gap: 20px;
}
nav li button{
    width: 40px;
    min-width: 40px;
    height: 40px;
    font-size: x-large;
    rotate: -90deg;
    background-color: transparent;
    border: none;
    color: #444;
}
.nav-header, .nav-footer{
    height: 70px;
    background-color: var(--header-bg);
}

.lesson-content-list{
    display: flex;
    align-items: center;
}
.lesson-content-list button{
    width: 30px;
    height: 30px;
}
nav li{
    background-color: var(--nav-li-bg);
    border-bottom: 2px solid var(--nav-borders-color);
}
i{
    /* width: min(25%, 60px); */
    /* border: 0.2px solid var(--p-color); */
    color: var(--p-color);
    padding: 0.2rem;
    border-radius: 50%;
}
nav li a{
    color: var(--nav-a-color);
    font-size: calc(1rem + 0.05vw);
}
/*Navigation control end*/


/***Header Start***/
header{
    margin: 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    top: 0;
    z-index: 10;
    transition: var(--nav-transition);
}
.hide-header{
    animation-name: hideHeader;
    animation-duration: 1s;
    animation-fill-mode: forwards;
}
.show-header{
    animation-name: showHeader;
    animation-duration: 1s;
    animation-fill-mode: forwards;
}
@keyframes hideHeader {from{top: 0;}to{top: -100px;}}
@keyframes showHeader {from{top: -100px;}to{top: 0;}}
.header{
    display: flex;
    justify-content: space-between;
    padding: 8px 20px;
    align-items: center;
    background-color: var(--header-bg);
    position: relative;
}
.brand-header-title{
    position: absolute;
    bottom: 0;
    left: 0;
    text-align: center;
    margin-bottom: 3px;
    width: 100%;
    font-size: 10px;
}
.menu{
    --bar-height: 3px;
    --bar-spacing: 4px;
    position: relative;
    width: 30px;
    height: calc((var(--bar-height) * 3) + (var(--bar-spacing) * 3));
}
.menu-bar,.menu .menu-bar::after, .menu-bar::before{
    content: "";
    width: 100%;
    height: var(--bar-height);
    background-color: var(--menu-bar-color);
    border-radius: 2px;
}
.menu-bar::after, .menu-bar::before{
    position: absolute;
}
.menu-bar::before{
    top: calc(var(--bar-height) + var(--bar-spacing));
}
.menu-bar::after{
    top: calc((var(--bar-height) *2) + (var(--bar-spacing) * 2));
}
.header-title{
    font-size: calc(1rem + 0.4vw);
    max-width: 60%;
    word-wrap:normal;
    text-wrap: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}
.con-flexed-cen{
    display: flex;
    justify-content: center;
    align-items: center;
}
.theme-toggle{
    width: 20px;
    height: 20px;
    border-radius: 50%;
    position: relative;
    overflow: hidden;
    border: var(--toggle-border);
    margin-right: 5px;
}
.theme-toggle::after{
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    transform: translate(50%);
    background-color: black;
}
.profile-prog{
    background-color: gray;
}
.profile-prog{
    background-color: rgb(0, 0, 156);
    background-image:radial-gradient(black, red);
    border-radius: 50%;
    padding: 5px;
}
.profile-pic-con{
    width: 32px; height: 32px;
    background-color: black;
    border-radius: 50%;
}
/***Header End***/


/*Course Header Nav*/
.course-head-nav-con{
    margin-top: 20px;
}
.course-head-nav-inner{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}
.course-head-nav-inner a{
    background-color: #e2e5eaff;
    color: #003366ff;
    padding: 20px;
    border-radius: 5px;
}
/*Cousre Header Nav End*/


.wrapper{
    margin-inline: auto;
    width: min(90%, 1000px);
}

.lesson-area{
    padding-top: 30px;
}

/*Course Section*/
.section{
    margin-block: 30px;
    --h1: calc(1.8rem + 0.5vw);
    --h2: calc(1.4rem + 0.5vw);
    --h3: calc(1.2rem + 0.5vw);
    --h4: calc(1rem + 0.5vw);
    --h5: calc(0.9rem + 0.5vw);
    --h6: calc(0.85rem + 0.5vw);
}
.section > h1, .section > h2, .section > h3, .section > h4, .section > h5, .section > h6{
    text-align: center;
    margin-bottom: 1.5rem;
    margin-top: 4rem;
}
.section .tit-of-sub{
    margin-top: 0;
}

/*questions input*/
.input-dash{
    background: none;
    color: var(--dash-input-color);
    display: inline-block;
    max-height: 20px;
    min-height: 20px;
    border: none;
    border-bottom: 1px solid var(--p-color);
    /* text-wrap: nowrap; */
    padding-inline: 8px;
    font-size: calc(1rem + 0.05vw);
}
.input-dash:active, .input-dash:focus{
    outline: none;
}
.input-dash{
    scrollbar-width: none;
}



.section h1{
    font-size: var(--h1);
}
.section h2{
    font-size: var(--h2);
}
.section h3{
    font-size: var(--h3);
}
.section h4{
    font-size: var(--h4);
}
.section h5{
    font-size: var(--h5);
}
.section h6{
    font-size: var(--h6);
}
/* .section h2{
    font-size: calc(1.2rem + 1vw);
} */
.note-section h1, .note-section h2, .note-section h3,
.note-section h4, .note-section h5, .note-section h6{
    margin-block: 0;
}
.note-side-bar{
    border-left: 3px solid var(--note-header-bg);
}

/*Note Section*/
.note-section{
    margin-block: 30px;
    width: min(90%, 800px);
    margin-inline: auto;
}
.note-header{
    padding: 20px;
    font-size: calc(1.1rem + 0.2vw);
    background-color: var(--note-header-bg);
    color: var(--note-header-color);
}
.note-content{
    background-color: var(--note-content-bg);
    color: var(--note-content-color);
    padding: 20px;
}

/*wrap up note*/
.wrap-up{
    background-color: var(--wrap-up-bg);
    padding-block: 1rem;
}
.wrap-up{
    margin-top: calc(4rem + 1vw);
}
.wrap-up .wrap-up-title{
    margin-top: 0.3rem;
}
.wrap-up .note-section .note-header{
    background-color: var(--wrap-up-note-header-bg);
    color: var(--wrap-up-note-header-color);
}
.wrap-up .note-section .note-header button{
    color: var(--wrap-up-note-header-color);
}
.wrap-up .note-side-bar{
    border-left: 3px solid #bea99e;
}
.wrap-up .note-content{
    background-color: var(--wrap-up-note-content-bg);
    color: #8d3b29;
}

.mcquest-li{
    margin-bottom: 2rem;
}

label::before{
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 20px;
    height: 20px;
    border: 1.4px solid var(--p-color);
}
/* None input label*/
.label::before{
    display: none;
}
.console-toggle-btn{
    border: none;
}
label{
    position: relative;
    padding-left: 30px;
    cursor: pointer;
}
input[type="radio"]{
    display: none;
}
label:has(input[type="radio"]:checked) {
    color: var(--radio-active-color);
}


/* Change the custom box when checked */
label:has(input[type="radio"]:checked)::before {
    display: grid;
    place-content: center;
    width: 14px;
    height: 14px;
    background-color: var(--radio-active-color);
    text-align: center;
    border: 4px solid var(--wrap-up-bg);
    box-shadow: 0 0 0 1px var(--radio-active-color);
}

/**/
/* Hide the content initially */
.reviewler-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 10px; /* Adjust padding as needed */
}

/* Style for the header */
.reviewler-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

/* Style for the toggle button */
.review-note-toggle {
    background: none;
    border: none;
    font-size: 1.2em;
    cursor: pointer;
    transition: transform 0.3s ease-out;
}

/* Rotate the toggle button when content is expanded */
.reviewler-header.active .review-note-toggle {
    transform: rotate(90deg);
}

.reviewler-header.active{
    border-top-right-radius: 12px;
    border-top-left-radius: 12px;
}


.quiz-submit-btn{
    font-family: monospace;
    color: #551d10;
    display: block;
    margin-inline: auto;
    padding: 10px 20px;
    font-size: x-large;
    font-weight: bold;
    background-color: #f1dacf;
   /*  background-image: radial-gradient(circle, #e8c8b8 10%, transparent 10%); */
    /* background-image: repeating-linear-gradient(
        45deg,
        #e8c8b8,
        #e8c8b8 10px,
        #f1dacf 10px,
        #f1dacf 20px
    ); */
    background-color: var(--submit-btn-bg);
    border-radius: 8px;
    box-shadow: -6px 6px 0 0 var(--submit-btn-shadow-color);
}
.quiz-submit-btn:hover{
    background-color: #f4e8e3;
    box-shadow: -8px 8px 0 0 #551d10;
}

.quiz-submit-btn i{
    border: none;
    color: #551d10;
}
.btn-wraps{
    margin-block: calc(8rem + 0.4vw) calc(4rem + 0.2vw);
    display: flex;
    align-items: center;
    margin-inline: auto;
    justify-content: space-evenly;
}



.btn-wraps .btn{
    padding: 0.7rem 1.9rem;
    font-size: 1rem;
    border-radius: 8px;
    height: fit-content;
    border: 1px solid #adadad;
    background-color: transparent;
    color: var(--p-color);
}
.btn.completed-btn{
    background-color: #175c00;
    color: white;
    font-size: 1.5rem;
    padding: 1rem 2rem;
    transform: translate(0, -1.3rem);
}
.btn.completed-btn i{
    color: white;
    border: 1px solid white;
}
.btn-wraps i{
    border: 1px solid #525252;
    font-size: 0.8rem;
    margin-inline: 0.4rem;
}
dl dt{
    margin-block: 1.8rem 0.8rem;
}

.wrap-up-footer{
    background-color: var(--wrap-up-footer-bg);
    padding: 1rem;
}
.wrap-up-footer-inner{
    width: min(100%, 500px);
    display: flex;
    justify-content: space-between;
    margin-inline: auto;
}

.wrap-up-footer-inner button{
    padding: calc(0.2rem + 0.1vw) calc(0.5rem + 0.2vw);
    color: var(--btn-color);
    background-color: var(--btn-bg);
    border: 1px solid var(--btn-border-color);
}

@media screen and (max-width: 720px){
    .space-for-nav{
        transform: translateX(var(--nav-panel-size));
        width: 100%;
    }
    .header-space-for-nav{
        transform: translateX(var(--nav-panel-size));
        width: 100%;
    }


    .btn-wraps{
        flex-direction: column-reverse;
        gap: 1.6rem;
    }
    .btn-wraps .btn{
        width: 100%;
    }
    .btn.completed-btn{
        transform: translate(0);
        padding: 0.9rem 2.1rem;
        font-size: 1.5rem;
    }
}
.img-view-con {
    width: 100vw;
    height: 100vh;
    top: 0;
    left: 0;
    position: fixed;
    background-color: #000000d3;
    z-index: 100;
    display: grid;
    place-items: center;
    backdrop-filter: blur(1px);
    cursor: zoom-out;
}

.viewable-img-con {
    width: 90vw;
    height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.img-view-con img {
    max-width: 100%;      
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    margin: 0;
}
.python-output{
    padding: 10px;
    color: rgb(0, 122, 0); 
    font-family: monospace;
    min-height: 100px; 
    white-space: pre-wrap; 
    margin: 0;
    font-size: 1rem;
}
.input-handler{
    font-size: 1rem;
    color: rgb(0, 122, 0);
    background-color: transparent;
    border: none;
    outline: none;
}






/*Python sandbox*/
.python-sandbox-container {
    margin: 2rem 0;
    border: 1px solid #ccc;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background-color: var(--background-bg);
}

/* --- Top Controls Bar --- */
.python-sandbox-container .controls {
    padding: 10px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #ccc;
    background: var(--background-bg);
}

.python-sandbox-container .open-fullscreen-btn,
.python-sandbox-container .clear-console-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 14px;
}

.python-sandbox-container .clear-console-btn {
    color: #ff6b6b;
}

.python-sandbox-container .interface-title {
    border: none;
    background: transparent;
    font-weight: bold;
    color: var(--text, #ffffff);
    font-size: 16px;
}

.python-sandbox-container .run-python-btn {
    background: #28a745;
    color: white;
    border: none;
    padding: 6px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.2s;
}

.python-sandbox-container .run-python-btn:hover {
    background: #218838;
}

/* --- Workspace Wrapper (Row on Desktop) --- */
.python-sandbox-container > div:last-child {
    display: flex;
    flex-direction: row;
    width: 100%;
    /* align-items: stretch ensures both sides are always equal in height */
    align-items: stretch; 
}

/* --- Code Area (Left Side) --- */
.python-sandbox-container .python-code-area {
    flex: 1; /* Takes up exactly half the space */
    min-width: 0; /* Prevents flex child from blowing past 50% */
    display: flex;
}

.python-sandbox-container .code-text-area {
    width: 100%;
    min-height: 200px;
    max-height: 100vh; /* Caps the drag growth */
    font-family: monospace;
    font-size: 14px;
    padding: 15px;
    background: var(--writting-code-bg);
    color: var(--writting-code);
    resize: vertical; /* Allows dragging vertically */
    border: none;
    outline: none;
}

/* --- Output Area (Right Side) --- */
.python-sandbox-container .python-output-area {
    flex: 1; /* Takes up the other half */
    min-width: 0;
    background: var(--console-bg);
    border-left: 2px solid #ccc;
    display: flex;
    flex-direction: column;
    min-height: 300px
}

.python-sandbox-container .console-tab-p {
    padding: 8px 15px;
    background: var(--console-title-bg);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    flex-shrink: 0; /* Prevents the header from getting squished */
}

/* --- Pre/Console Output --- */
.python-sandbox-container .python-output {
    flex: 1 1 0%; 
    min-height: 0;
    overflow-y: auto;
    margin: 0;
    padding: 15px;
    color: green; 
    font-family: monospace;
    font-size: 14px;
    white-space: pre-wrap;
}

/* --- Mobile View (Stacked Column) --- */
@media (max-width: 720px) {
    .python-sandbox-container > div:last-child {
        flex-direction: column;
    }

    .python-sandbox-container .python-output-area {
        border-left: none;
        border-top: 2px solid #ccc;
        height: 250px; /* Gives the output a dedicated height on mobile */
    }
}