@charset "utf-8";

/* reset */
html,
body,
div,
p,
h1,
h2,
h3,
h4,
h5,
h6,
ul,
li,
ol,
dl,
dt,
dd,
span,
img,
a,
form,
input,
select,
label,
textarea,
button,
legend,
iframe,
blockquote,
pre,
hr,
figure,
table,
td,
th,
tr,
caption,
header,
footer,
section,
article,
aside,
nav {
    margin: 0;
    padding: 0;
}

ul,
ol {
    list-style: none;
}

a,
button {
    cursor: pointer;
}

a {
    text-decoration: none;
}

fieldset,
img {
    border: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 100%
}

button,
input,
select,
textarea {
    font-size: 100%
}


html,
body {
    width: 100%;
    height: 100%;
    font-family: Helvetica, Arial, "Microsoft YaHei", sans-serif;
    background-color: #fff;
}

:root{
    --primary-color: #81a7ed;
}

.container {
    margin: 0 auto;
    width: 92%;
    min-height: 100%;
    min-width: 980px;
}

.sidebar {
    position: absolute;
    left: 20px;
    padding-left: 10px;
    padding-right: 10px;
    width: 300px;
    height: 100%;
    border-right: 1px solid #ccc;
    background-color: #fff;
}

.sidebar h1 {
    margin-top: 20px;
    margin-bottom: 30px;
    font-size: 32px;
    color: #666;
}

.sidebar .threshold {
    position: relative;
    margin-top: 40px;
}

.sidebar .threshold .threshold-checkbox {
    margin-bottom: 10px;
}

.sidebar .threshold .threshold-val {
    position: absolute;
    top: 0;
    right: 120px;
    font-size: 18px;
    color: var(--primary-color);
}


.sidebar .mode {
    margin-top: 30px;
}

.sidebar .mode label {
    width: 50px;
    margin-right: 20px;
}

.sidebar .scale {
    margin-top: 20px;
    margin-bottom: 40px;
}

.sidebar .disable .btn-small {
    color: #ccc;
    cursor: default;
}

.sidebar .disable input[type="range"]::-webkit-slider-thumb {
    background-color: #ccc;
}

.sidebar .disable .threshold-val {
    color: #ccc;
}

.sidebar .disable .option+label::before {
    -webkit-box-shadow: 0 0 0 2px #ccc;
    box-shadow: 0 0 0 2px #ccc;
    background-color: #fff;
    cursor: default;
}

.sidebar .disable .option:checked+label::before {
    -webkit-box-shadow: 0 0 0 2px #ccc;
    box-shadow: 0 0 0 2px #ccc;
    background-color: #ccc;
    cursor: default;
}

.sidebar .disable label {
    color: #666;
    cursor: default;
}


#scale {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    padding-left: 10px;
    width: 140px;
    border: 1px solid #ccc;
    -webkit-border-radius: 2px;
    border-radius: 2px;
    outline: none;
    color: #333;
}

.main {
    overflow: hidden;
    padding-top: 40px;
    margin-left: 320px;
    min-width: 500px;
}

#canvas {
    display: block;
    margin: 0 auto;
    max-width: 500px;
}

#img-upload,
#folder-upload {
    display: none;
}

#img-preview {
    margin-top: 20px;
    width: 300px;
    min-height: 200px;
    border: 1px solid #ccc;
    -webkit-border-radius: 6px;
    border-radius: 6px;
    line-height: 200px;
    text-align: center;
    color: #999;
}

#img-preview img {
    display: inline-block;
    max-width: 300px;
    max-height: 250px;
    vertical-align: middle;
}

.option {
    position: absolute;
    left: 0;
    visibility: hidden;
}

.option+label {
    display: inline-block;
    position: relative;
    left: 26px;
    cursor: pointer;
}

.option+label::before {
    content: '';
    position: absolute;
    left: -24px;
    top: 2px;
    width: 8px;
    height: 8px;
    border: 4px solid #fff;
    -webkit-box-shadow: 0 0 0 2px var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-color);
    -webkit-border-radius: 50%;
    border-radius: 50%;
    background-color: #fff;
}

.option:checked+label::before {
    content: '';
    position: absolute;
    left: -24px;
    top: 2px;
    width: 8px;
    height: 8px;
    border: 4px solid #fff;
    -webkit-box-shadow: 0 0 0 2px var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-color);
    -webkit-border-radius: 50%;
    border-radius: 50%;
    background-color: var(--primary-color);
}

input[type="range"] {
    width: 230px;
    height: 2px;
    -webkit-border-radius: 6px;
    border-radius: 6px;
    outline: none;
    background-color: #b9c4bf;
    -webkit-appearance: none;
    appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 20px;
    width: 12px;
    background-color: var(--primary-color);
    border: none;
    -webkit-border-radius: 2px;
    border-radius: 2px;
    -webkit-box-shadow: 0 0 1px rgba(42, 210, 110, .2);
    box-shadow: 0 0 1px rgba(42, 210, 110, .2);
}

label {
    color: #333;
}

.btn {
    display: block;
    padding: 6px;
    -webkit-border-radius: 4px;
    border-radius: 4px;
    font-size: 14px;
    text-align: center;
    text-shadow: 0 0 1px rgba(0, 0, 0, .2);
    color: #fff;
    background-color: var(--primary-color);
    cursor: pointer;
    -webkit-transition: opacity .5s;
    transition: opacity .5s;
}

.btn:hover {
    opacity: .8;
}

.btn-small {
    display: inline-block;
    vertical-align: middle;
    padding: 0 6px;
    width: 24px;
    height: 18px;
    border: none;
    outline: none;
    line-height: 18px;
    font-size: 18px;
    text-align: center;
    text-shadow: 0 0 1px rgba(0, 0, 0, .2);
    color: var(--primary-color);
    background-color: #fff;
    cursor: pointer;
}

.btn-upload {
    margin-top: 10px;
}

.btn-batch {
    margin-top: 10px;
}

.btn-download {
    margin-top: 10px;
}

.btn-github {
    position: absolute;
    top: 8px;
    right: 8px;
    border: 0;
    display: flex;
    gap: 6px;
    align-items: center;
    color: #333;
    font-weight: bold;
}

#upload-status {
    margin-top: 10px;
    color: var(--primary-color);
    font-size: 14px;
}