* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    border: none;
}

html, body {
    height: 100%;
}

#canvas {
    border: 2px solid black; 
    box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.5); 
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background-color: burlywood;
    font-family: Arial, sans-serif;
    font-size: 16px;
}

canvas {
    background-color: white;
    margin-bottom: 10px;
}

/* setings elements */

.settings {
    padding: 0px 20px 10px 20px;
    width: 100%;
    max-width: 600px;
    display: inline-flex;
    justify-content: space-between;
}

.settings__colors {
    display: grid;
    grid-template-columns: repeat(6, 2fr);
    gap: 8px;
    background-color: #343a3b;
    padding: 10px;
    border-radius: 10px;
    border: 1px solid;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.settings__colors-item {
    border-radius: 100%;
    width: 25px;
    height: 25px;
    cursor: pointer;
    transition: transform 0.2s;
}

.settings__colors-item-active {
    border-radius: 100%;
    width: 25px;
    height: 25px;
    cursor: pointer;
    transform: scale(1.3);
}

.settings__colors-item:hover {
    transform: scale(1.3);
}

.settings__colors-item-black { background-color: black; }
.settings__colors-item-white { background-color: white; }
.settings__colors-item-red { background-color: red; }
.settings__colors-item-green { background-color: green; }
.settings__colors-item-blue { background-color: blue; }
.settings__colors-item-yellow { background-color: yellow; }
.settings__colors-item-сyanide { background-color: #00ffff; }
.settings__colors-item-magenta { background-color: magenta; }
.settings__colors-item-orange { background-color: orange; }
.settings__colors-item-purple { background-color: purple; }
.settings__colors-item-gray { background-color: gray; }
.settings__colors-item-brown { background-color: brown; }

.button-clear-box {
    width: 100%;
    max-width: 600px;
    display: flex;
    justify-content: end;
    padding: 0px 20px 10px 20px;
}

.line-size {
    display: flex;
    flex-direction: column;
    justify-content: end;
}

.button-clear-box__clear-button {
    color: #fff;
    background-color: #dc3545;
    border-radius: 4px;
    padding: 10px 20px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
}


.button-clear-box__clear-button:hover {
    background-color: #c82333;
}


.button-clear-box__clear-button:active {
    transform: scale(0.98);
}

.toolbar {
    display: flex;
    align-items: end;
}

ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: flex;
}

.tool {
    padding: 10px;
    cursor: pointer;
}

.tool.active {
    transition: background-color 1s;
    background-color: #4CAF50;

}

.tool {
    background-color: #f1f1f1; 
    color: #333;
}

.tool i {
    font-size: 24px;
}

.tool:hover {
    background-color: rgb(221, 221, 221);
}

.tool.active:hover {
    background-color: #39853b;
}