:root {
    color-scheme: light;
    --page-bg: #f7f8fa;
    --page-bg-muted: #f1f5f9;
    --section-bg: #ffffff;
    --hero-bg: #ffffff;
    --card-bg: #ffffff;
    --card-muted-bg: #fbfcfd;
    --input-bg: #ffffff;
    --input-muted-bg: #f8fafc;
    --document-bg: #ffffff;
    --text-main: #0f172a;
    --text-sub: #334155;
    --text-muted: #64748b;
    --text-faint: #94a3b8;
    --border-main: #e2e8f0;
    --border-soft: #e6ebf2;
    --border-strong: #cbd5e1;
    --brand: #2563eb;
    --brand-hover: #1d4ed8;
    --brand-soft: #eff6ff;
    --brand-soft-border: #dbeafe;
    --brand-tint: #f8fbff;
    --success: #16a34a;
    --success-soft: #f0fdf4;
    --danger: #dc2626;
    --danger-soft: #fff5f5;
    --info: #0ea5e9;
    --info-strong: #0284c7;
    --warning: #f59e0b;
    --warning-strong: #d97706;
    --shadow-card: 0 10px 28px rgba(15, 23, 42, .04);
    --shadow-card-hover: 0 12px 28px rgba(15, 23, 42, .08);
    --shadow-search: 0 12px 30px rgba(15, 23, 42, .06);
    --shadow-search-focus: 0 12px 34px rgba(37, 99, 235, .12);
    --home-bg: #f7f9fc;
    --home-hero-bg:
        linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.86)),
        linear-gradient(135deg, #eef6ff 0%, #ffffff 42%, #f3fbf7 100%);
    --navbar-bg: rgba(255, 255, 255, .94);
    --navbar-border: rgba(226, 232, 240, .9);
    --navbar-shadow: 0 8px 28px rgba(15, 23, 42, .04);
}

html[data-theme="dark"] {
    color-scheme: dark;
    --page-bg: #111827;
    --page-bg-muted: #111827;
    --section-bg: #111827;
    --hero-bg: #111827;
    --card-bg: #172234;
    --card-muted-bg: #101827;
    --input-bg: #101827;
    --input-muted-bg: #101827;
    --document-bg: #ffffff;
    --text-main: #f1f5f9;
    --text-sub: #dbe4f0;
    --text-muted: #9fb0c5;
    --text-faint: #73849b;
    --border-main: #263548;
    --border-soft: #243244;
    --border-strong: #334155;
    --brand: #8ab4ff;
    --brand-hover: #93c5fd;
    --brand-soft: #13243b;
    --brand-soft-border: #1e3a5f;
    --brand-tint: #13243b;
    --success: #86efac;
    --success-soft: #123225;
    --danger: #fca5a5;
    --danger-soft: #35191c;
    --info: #7dd3fc;
    --info-strong: #38bdf8;
    --warning: #facc15;
    --warning-strong: #f59e0b;
    --shadow-card: none;
    --shadow-card-hover: none;
    --shadow-search: none;
    --shadow-search-focus: none;
    --home-bg: #111827;
    --home-hero-bg: linear-gradient(180deg, #111827 0%, #141f30 100%);
    --navbar-bg: rgba(15, 23, 42, .96);
    --navbar-border: #243244;
    --navbar-shadow: none;
}

.navbar-white {
    border: 0;
    border-bottom: 1px solid var(--navbar-border);
    background: var(--navbar-bg);
    box-shadow: var(--navbar-shadow);
}

.navbar-white .navbar-brand {
    color: var(--text-main);
    font-weight: 700;
    letter-spacing: 0;
}

.navbar-white .navbar-nav > li > a {
    color: var(--text-sub);
}

.navbar-white .navbar-nav > li > a:hover,
.navbar-white .navbar-nav > li > a:focus {
    color: var(--brand);
    background: transparent;
}

.site-tool-nav {
    margin-left: 22px;
}

.site-tool-nav > li > a {
    display: inline-flex;
    align-items: center;
    padding-left: 11px;
    padding-right: 11px;
    font-size: 13px;
    font-weight: 600;
}

@media (min-width: 768px) {
    .navbar-white .navbar-collapse {
        display: flex !important;
        align-items: center;
    }

    .navbar-white .navbar-nav {
        float: none;
    }

    .navbar-white .navbar-right {
        display: flex;
        align-items: center;
        margin-left: auto;
        margin-right: 0;
    }

    .site-tool-nav {
        display: flex;
        flex: 1 1 auto;
        min-width: 0;
        white-space: nowrap;
    }

    .site-tool-nav > li > a {
        padding-left: 9px;
        padding-right: 9px;
    }
}

.theme-nav-item {
    height: auto;
    padding: 0;
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 60px;
    padding: 16px 10px;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--text-sub);
    font-size: 14px;
    line-height: 27px;
    outline: none;
    box-shadow: var(--navbar-shadow);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: color .18s;
}

.theme-toggle:hover,
.theme-toggle:focus {
    color: var(--brand);
    background: transparent;
}

@media (max-width: 767px) {
    .theme-nav-item {
        padding: 0;
    }

    .site-tool-nav {
        margin-left: -15px;
    }

    .site-tool-nav > li > a {
        display: flex;
        padding: 10px 15px;
    }

    .theme-toggle {
        justify-content: flex-start;
        width: 100%;
        padding: 10px 15px;
        height: 40px;
        line-height: 20px;
    }
}

.theme-toggle__moon {
    display: inline-block;
}

.theme-toggle__sun {
    display: none !important;
}

.theme-toggle[data-mode="dark"] .theme-toggle__moon {
    display: none !important;
}

.theme-toggle[data-mode="dark"] .theme-toggle__sun {
    display: inline-block !important;
}

html[data-theme="dark"] body,
html[data-theme="dark"] main.content {
    background: var(--page-bg);
    color: var(--text-sub);
}

html[data-theme="dark"] .navbar-white {
    border-bottom-color: var(--navbar-border);
    background: var(--navbar-bg);
    box-shadow: var(--navbar-shadow);
}

html[data-theme="dark"] .navbar-white .navbar-brand,
html[data-theme="dark"] .navbar-white .navbar-nav > li > a {
    color: var(--text-main);
}

html[data-theme="dark"] .navbar-white .navbar-nav > li > a:hover,
html[data-theme="dark"] .navbar-white .navbar-nav > li > a:focus {
    color: var(--brand);
}

html[data-theme="dark"] .navbar-white .navbar-toggle {
    border-color: var(--border-strong);
}

html[data-theme="dark"] .navbar-white .navbar-toggle .icon-bar {
    background: var(--border-strong);
}

html[data-theme="dark"] .navbar-white .dropdown-menu {
    border-color: var(--border-main);
    background: var(--card-bg);
}

html[data-theme="dark"] .navbar-white .dropdown-menu > li > a {
    color: var(--text-sub);
}

html[data-theme="dark"] .navbar-white .dropdown-menu > li > a:hover {
    background: var(--brand-tint);
    color: #ffffff;
}

html[data-theme="dark"] .theme-toggle {
    color: var(--text-main);
}

html[data-theme="dark"] .theme-toggle:hover,
html[data-theme="dark"] .theme-toggle:focus {
    color: var(--brand);
    background: transparent;
}

html[data-theme="dark"] .footer {
    border-top: 1px solid var(--border-soft);
    background: var(--page-bg);
}

html[data-theme="dark"] .footer,
html[data-theme="dark"] .footer a,
html[data-theme="dark"] .copyright {
    color: var(--text-faint);
}

html[data-theme="dark"] .form-control,
html[data-theme="dark"] input,
html[data-theme="dark"] select,
html[data-theme="dark"] textarea {
    border-color: var(--border-strong);
    background: var(--input-bg);
    color: var(--text-main);
    box-shadow: none;
}

html[data-theme="dark"] input::placeholder,
html[data-theme="dark"] textarea::placeholder {
    color: var(--text-faint);
}

html[data-theme="dark"] .tool-page .btn-default {
    background: var(--card-muted-bg);
    color: var(--text-sub);
}

html[data-theme="dark"] .table,
html[data-theme="dark"] .table > tbody > tr > td,
html[data-theme="dark"] .table > tbody > tr > th,
html[data-theme="dark"] .table > tfoot > tr > td,
html[data-theme="dark"] .table > tfoot > tr > th,
html[data-theme="dark"] .table > thead > tr > td,
html[data-theme="dark"] .table > thead > tr > th {
    border-color: var(--border-main);
    color: var(--text-sub);
}

html[data-theme="dark"] .panel,
html[data-theme="dark"] .panel-default,
html[data-theme="dark"] .panel-heading,
html[data-theme="dark"] .panel-body {
    border-color: var(--border-main) !important;
    background-color: var(--card-bg) !important;
    color: var(--text-sub);
    box-shadow: none;
}

html[data-theme="dark"] .panel-default > .panel-heading {
    border-color: var(--border-main) !important;
    background-color: var(--card-bg) !important;
    color: var(--text-main) !important;
}

html[data-theme="dark"] .panel-title > a,
html[data-theme="dark"] .panel-title > a:hover,
html[data-theme="dark"] .panel-title > a:focus {
    color: var(--text-main) !important;
}

html[data-theme="dark"] .panel-group .panel-heading + .panel-collapse > .panel-body,
html[data-theme="dark"] .panel-group .panel-heading + .panel-collapse > .list-group {
    border-top-color: var(--border-main) !important;
}

.bookmark-beg {
    position: fixed;
    right: 22px;
    top: 74px;
    z-index: 1050;
    display: flex;
    width: min(360px, calc(100vw - 28px));
    padding: 24px 28px 24px 30px;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--text-sub);
    filter: drop-shadow(0 18px 34px rgba(15, 23, 42, .12));
    box-shadow: none;
    opacity: 0;
    pointer-events: none;
    transform: translate3d(0, -12px, 0);
    transition: opacity .24s ease, transform .24s ease;
}

.bookmark-beg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg%20viewBox%3D%270%200%20360%20128%27%20xmlns%3D%27http%3A//www.w3.org/2000/svg%27%20preserveAspectRatio%3D%27none%27%3E%3Cpath%20d%3D%27M34%2048C43%2030%2075%2029%20102%2033C139%2024%20182%2027%20214%2034C245%2025%20297%2032%20316%2051C337%2073%20318%20100%20282%20102C238%20109%20178%20103%20136%20107C94%20111%2045%20105%2029%2088C14%2073%2017%2058%2034%2048Z%27%20fill%3D%27rgba%28255%2C255%2C255%2C0.94%29%27/%3E%3Cpath%20d%3D%27M34%2048C43%2030%2075%2029%20102%2033C139%2024%20182%2027%20214%2034C245%2025%20297%2032%20316%2051C337%2073%20318%20100%20282%20102C238%20109%20178%20103%20136%20107C94%20111%2045%20105%2029%2088C14%2073%2017%2058%2034%2048Z%27%20fill%3D%27none%27%20stroke%3D%27rgba%2837%2C99%2C235%2C0.36%29%27%20stroke-width%3D%271.8%27%20stroke-dasharray%3D%274%204%27%20stroke-linecap%3D%27round%27/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-size: 100% 100%;
    pointer-events: none;
}

.bookmark-beg::after {
    content: '';
    position: absolute;
    left: 56px;
    right: 48px;
    bottom: 24px;
    height: 10px;
    border-bottom: 1px dashed rgba(37, 99, 235, .14);
    border-radius: 50%;
    pointer-events: none;
}

.bookmark-beg.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translate3d(0, 0, 0);
}

.bookmark-beg.is-leaving {
    opacity: 0;
    pointer-events: none;
    transform: translate3d(0, -10px, 0);
}

.bookmark-beg__close {
    position: absolute;
    top: 6px;
    right: 8px;
    width: 26px;
    height: 26px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--text-faint);
    font-size: 20px;
    line-height: 26px;
    text-align: center;
    cursor: pointer;
    z-index: 2;
}

.bookmark-beg__close:hover,
.bookmark-beg__close:focus {
    color: var(--text-main);
    outline: none;
}

.bookmark-beg__face {
    flex: 0 0 auto;
    margin-right: 12px;
    padding-top: 3px;
    color: var(--brand);
    font-family: Consolas, Monaco, monospace;
    font-size: 18px;
    line-height: 1;
    white-space: nowrap;
    position: relative;
    z-index: 1;
}

.bookmark-beg__body {
    min-width: 0;
    padding-right: 12px;
    position: relative;
    z-index: 1;
}

.bookmark-beg__title {
    margin-bottom: 5px;
    color: var(--text-main);
    font-size: 15px;
    font-weight: 600;
    line-height: 1.45;
}

.bookmark-beg__text {
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.65;
}

.bookmark-beg__text kbd {
    display: inline-block;
    min-width: 58px;
    margin: 0 2px;
    padding: 2px 7px;
    border: 1px solid var(--border-strong);
    border-radius: 5px;
    background: var(--input-muted-bg);
    color: var(--text-main);
    font-family: Consolas, Monaco, monospace;
    font-size: 12px;
    font-weight: 700;
    line-height: 1.4;
    text-align: center;
    box-shadow: inset 0 -1px 0 rgba(15, 23, 42, .12);
}

html[data-theme="dark"] .bookmark-beg {
    background: transparent;
    filter: drop-shadow(0 18px 38px rgba(0, 0, 0, .28));
}

html[data-theme="dark"] .bookmark-beg::before {
    background-image: url("data:image/svg+xml,%3Csvg%20viewBox%3D%270%200%20360%20128%27%20xmlns%3D%27http%3A//www.w3.org/2000/svg%27%20preserveAspectRatio%3D%27none%27%3E%3Cpath%20d%3D%27M34%2048C43%2030%2075%2029%20102%2033C139%2024%20182%2027%20214%2034C245%2025%20297%2032%20316%2051C337%2073%20318%20100%20282%20102C238%20109%20178%20103%20136%20107C94%20111%2045%20105%2029%2088C14%2073%2017%2058%2034%2048Z%27%20fill%3D%27rgba%2823%2C34%2C52%2C0.94%29%27/%3E%3Cpath%20d%3D%27M34%2048C43%2030%2075%2029%20102%2033C139%2024%20182%2027%20214%2034C245%2025%20297%2032%20316%2051C337%2073%20318%20100%20282%20102C238%20109%20178%20103%20136%20107C94%20111%2045%20105%2029%2088C14%2073%2017%2058%2034%2048Z%27%20fill%3D%27none%27%20stroke%3D%27rgba%28138%2C180%2C255%2C0.46%29%27%20stroke-width%3D%271.8%27%20stroke-dasharray%3D%274%204%27%20stroke-linecap%3D%27round%27/%3E%3C/svg%3E");
}

html[data-theme="dark"] .bookmark-beg::after {
    border-bottom-color: rgba(138, 180, 255, .2);
}

@media (max-width: 767px) {
    .bookmark-beg {
        right: 14px;
        top: 64px;
        padding: 22px 24px 22px 26px;
    }

    .bookmark-beg__body {
        padding-right: 10px;
    }
}