:root {
    --color-primary: #2F363E;
    --color-input-caret: #F2F3F4EE;
    --color-input-forground: #F2F3F4EE;
    --color-input-border-normal: #323941;
    --color-input-background-normal: #20252b;
    --color-input-border-hover: #798b9e;
    --color-input-background-hover: #2e343b;
    --color-button-background-normal: #2F363E;
    --color-button-background-hover: #444e5a;
    --color-button-foreground: rgba(255, 255, 255, 0.712);
    --color-a-normal: rgba(255, 255, 255, 0.712);
    --color-a-hover: white;
    --color-background: #13161A;
    --color-foreground: #F2F3F4EE;
}

* {
	box-sizing: border-box;
	outline: none;
	border: none;
	margin: 0;
	padding: 0;
	-webkit-tap-highlight-color: transparent;
}

html {
    -webkit-text-size-adjust: 100%;
	-webkit-overflow-scrolling: touch;
    min-height: 100vh;
    height: 100vh;
    background-color: var(--color-background);
    color: var(--color-foreground);
}

body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100%;
}

::-webkit-scrollbar {
	display: none;
}

header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-primary);
    padding: 12px 16px;
}

header ul {
    margin: 0 16px;
    padding: 0;
    font-size: smaller;
}

header ul li {
    display: inline-block;
    margin-left: 8px;
}

main {
    width: 100%;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

section {
    width: 100%;
    padding-left: 16px;
    padding-right: 16px;
    margin-top: 16px;
    margin-bottom: 16px;
}

footer {
    margin: 16px 0;
    font-size: small;
}

.tm::after {
    content: "™";
    font-size: 0.5em;
    vertical-align: super;
    margin-left: 2px;
}

.cp::after {
    content: "©";
    font-size: 0.5em;
    vertical-align: super;
    margin-left: 2px;
}

pre {
	display: block;
	padding: 0;
	margin: 0;
	white-space: pre-wrap;
	word-break: break-all;
}

pre * {
	white-space: pre-line;
	word-break: break-all;
}


form {
    width: 60%;
    max-width: 400px;
}

form > * {
    margin: 8px 0px;
}

@media (max-width: 767px) {
    form {
        width: 95%;
        max-width: none;
    }
}

@media (min-width: 768px) {
    form {
        width: 60%;
        max-width: 400px;
    }
}

textarea {
	outline: none;
	resize: none;
	color: inherit;
	overflow: auto;
}

input {
	border-radius: 0;
    padding: 8px;
    margin: 4px 0;
    display: block;
    width: 100%;
    color: inherit;
    caret-color: var(--color-input-caret);
}

input:-webkit-autofill {
    border: 1px solid var(--color-input-border-normal) !important;
    background-color: var(--color-input-background-normal) !important;
    -webkit-box-shadow: 0 0 0 1000px var(--color-input-background-normal) inset !important;
    -webkit-text-fill-color: var(--color-input-forground) !important;
}

input:-webkit-autofill:hover {
    border: 1px solid var(--color-input-border-hover) !important;
    background-color: var(--color-input-background-hover) !important;
    -webkit-box-shadow: 0 0 0 1000px var(--color-input-background-hover) inset !important;
    -webkit-text-fill-color: var(--color-input-forground) !important;
}

/* 支持其他浏览器 */
input:-moz-autofill,
input:-ms-autofill,
input:auto-fill {
    border: 1px solid var(--color-input-border-normal) !important;
    background-color: var(--color-input-background-normal) !important;
    -webkit-text-fill-color: var(--color-input-forground) !important;
}

input:-moz-autofill,
input:-ms-autofill,
input:auto-fill:hover {
    border: 1px solid var(--color-input-border-hover) !important;
    background-color: var(--color-input-background-hover) !important;
}

input[type='text'],input[type='password'] {
    border: 1px solid var(--color-input-border-normal);
    background-color: var(--color-input-background-normal);
}

input[type='text']:hover {
    border: 1px solid var(--color-input-border-hover);
    background-color: var(--color-input-background-hover);
}

input[type='password']:hover {
    border: 1px solid var(--color-input-border-hover);
    background-color: var(--color-input-background-hover);
}

input[type='submit'] {
    cursor: pointer;
    background-color: var(--color-button-background-normal);
    color: var(--color-button-foreground);
}

input[type='submit']:hover {
    background-color: var(--color-button-background-hover)
}

a {
    color: var(--color-a-normal);
    text-decoration: none;
    cursor: pointer;
}

a:hover {
    color: var(--color-a-hover);
}

a:visited {
    color: var(--color-a-normal);
}

.constraint {
    display: flex;
    flex-direction: row;
    align-items: center;
    text-align: center;
    opacity: 0.7;
}

.constraint input[type="checkbox"] {
    width: 16px;
    height: 16px;
    display: inline-block;
    margin: 0 4px 0 0;
}

.constraint .entry {
    color: rgb(5, 155, 255);
}