/* Base64.is — site styles */

:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f2f4f7;
  --surface-3: #e9edf2;
  --border: #e2e6eb;
  --border-strong: #cdd4dc;
  --text: #141c24;
  --text-2: #475467;
  --text-3: #6b7785;
  --accent: #0e7490;
  --accent-hover: #155e75;
  --accent-soft: #e7f5f8;
  --accent-text: #0b6a83;
  --on-accent: #ffffff;
  --danger: #b42318;
  --danger-soft: #fef3f2;
  --success: #067647;
  --success-soft: #ecfdf3;
  --warn: #a15c07;
  --warn-soft: #fffaeb;
  --focus: rgba(14, 116, 144, .28);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 1px 3px rgba(16, 24, 40, .05);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --checker: #e9edf2;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --surface: #141a22;
    --surface-2: #1a212b;
    --surface-3: #232c38;
    --border: #262f3b;
    --border-strong: #364252;
    --text: #e6edf3;
    --text-2: #b4bec9;
    --text-3: #8591a0;
    --accent: #2bb5cc;
    --accent-hover: #4cc6da;
    --accent-soft: rgba(43, 181, 204, .12);
    --accent-text: #5fd0e2;
    --on-accent: #0b1218;
    --danger: #f97066;
    --danger-soft: rgba(249, 112, 102, .1);
    --success: #47cd89;
    --success-soft: rgba(71, 205, 137, .1);
    --warn: #fdb022;
    --warn-soft: rgba(253, 176, 34, .1);
    --focus: rgba(43, 181, 204, .35);
    --shadow: none;
    --checker: #232c38;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }
img { max-width: 100%; }
code, pre, kbd, samp { font-family: var(--mono); }
h1, h2, h3 { line-height: 1.25; letter-spacing: -.01em; color: var(--text); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
[hidden] { display: none !important; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.i { width: 16px; height: 16px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

.skip { position: absolute; inset-inline-start: -9999px; top: 8px; z-index: 100; background: var(--surface); padding: 8px 12px; border-radius: var(--radius-sm); }
.skip:focus { inset-inline-start: 8px; }

/* Header ---------------------------------------------------------------- */
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20; }
.header-inner { display: flex; align-items: center; gap: 24px; height: 60px; }
.logo { font-size: 20px; font-weight: 700; color: var(--text); letter-spacing: -.02em; white-space: nowrap; }
.logo span { color: var(--accent); }
.logo:hover { text-decoration: none; }
.main-nav { display: flex; gap: 2px; flex: 1; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.main-nav::-webkit-scrollbar { display: none; }
.main-nav a { color: var(--text-2); font-size: 14px; font-weight: 500; padding: 6px 10px; border-radius: 6px; white-space: nowrap; }
.main-nav a:hover { color: var(--text); background: var(--surface-2); text-decoration: none; }
.main-nav a[aria-current="page"] { color: var(--accent-text); background: var(--accent-soft); }

.lang-menu { position: relative; flex: none; }
.lang-menu summary { list-style: none; display: flex; align-items: center; gap: 6px; cursor: pointer; font-size: 14px; color: var(--text-2); padding: 6px 10px; border: 1px solid var(--border); border-radius: 8px; user-select: none; }
.lang-menu summary::-webkit-details-marker { display: none; }
.lang-menu summary:hover { color: var(--text); border-color: var(--border-strong); }
.lang-menu .chev { width: 14px; height: 14px; transition: transform .15s; }
.lang-menu[open] .chev { transform: rotate(180deg); }
.lang-menu ul { position: absolute; inset-inline-end: 0; top: calc(100% + 6px); margin: 0; padding: 6px; list-style: none; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 8px 24px rgba(16, 24, 40, .12); width: 320px; max-width: calc(100vw - 24px); max-height: min(72vh, 600px); overflow-y: auto; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 4px; z-index: 30; }
.lang-menu li a { display: block; padding: 7px 10px; border-radius: 6px; color: var(--text); font-size: 14px; }
.lang-menu li a:hover { background: var(--surface-2); text-decoration: none; }
.lang-menu li a[aria-current="true"] { color: var(--accent-text); font-weight: 600; }

/* Page head ------------------------------------------------------------- */
main { padding-top: 20px; padding-bottom: 48px; }
.crumbs ol { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0 0 4px; padding: 0; font-size: 13px; color: var(--text-3); }
.crumbs li + li::before { content: "/"; margin-inline-end: 6px; color: var(--border-strong); }
.crumbs a { color: var(--text-3); }
.crumbs a:hover { color: var(--accent-text); }
.hero { padding: 16px 0 20px; }
.hero h1 { font-size: 30px; margin: 0 0 8px; font-weight: 700; }
.lead { margin: 0; max-width: 760px; color: var(--text-2); font-size: 16px; }

/* Buttons and fields ---------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 36px; padding: 0 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); background: var(--surface); color: var(--text);
  font: 500 14px/1 var(--font); cursor: pointer; white-space: nowrap; text-decoration: none;
  transition: background .12s, border-color .12s, color .12s;
}
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn:active { transform: translateY(.5px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--surface-3); color: var(--text); }
.btn-sm { height: 30px; padding: 0 9px; font-size: 13px; gap: 5px; }
.btn-icon { width: 36px; padding: 0; }
.btn.is-done { color: var(--success); }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; }

.field { display: inline-flex; flex-direction: column; gap: 4px; min-width: 0; }
.field-label { font-size: 12px; font-weight: 500; color: var(--text-3); }
.field-wide { display: flex; flex: 1 1 260px; }
select, .input {
  height: 34px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text); font: 14px var(--font); padding: 0 10px; min-width: 0;
}
select { padding-inline-end: 28px; appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7785' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 8px center; background-size: 14px; }
select.mini { height: 30px; font-size: 13px; border-color: var(--border); background-color: var(--surface); }
.input-sm { height: 34px; width: 150px; }
.input-lg { height: 42px; font-size: 16px; }
.input.mono, .mono { font-family: var(--mono); }
.pad-input { width: 60px; text-align: center; }
select:focus, .input:focus, .code-area:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--focus); }

.check { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; color: var(--text-2); cursor: pointer; user-select: none; min-height: 34px; align-self: flex-end; }
.check input { width: 16px; height: 16px; margin: 0; accent-color: var(--accent); cursor: pointer; }
.field-range { flex-direction: column; }
.field-range input { width: 140px; accent-color: var(--accent); height: 34px; margin: 0; }
.field-range { position: relative; }
.field-range output { position: absolute; inset-inline-end: 0; top: 0; font-size: 12px; color: var(--text-2); font-variant-numeric: tabular-nums; }

/* Segmented control ----------------------------------------------------- */
.seg { display: inline-flex; padding: 3px; gap: 2px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; flex: none; }
.seg button { border: 0; background: transparent; color: var(--text-2); font: 500 14px var(--font); height: 30px; padding: 0 16px; border-radius: 7px; cursor: pointer; }
.seg button:hover { color: var(--text); }
.seg button[aria-selected="true"] { background: var(--surface); color: var(--text); box-shadow: 0 1px 2px rgba(16, 24, 40, .08), 0 0 0 1px var(--border); }
.seg-sm button { height: 26px; padding: 0 12px; font-size: 13px; }

/* Tool card ------------------------------------------------------------- */
.tool { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; display: flex; flex-direction: column; gap: 14px; }
.tool-bar { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px 20px; }
.tool-bar .seg { align-self: flex-end; }
.tool-bar-sub { padding-top: 2px; }
.opts { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 10px 14px; }
.panes { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 10px; align-items: stretch; }
.pane { display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); min-width: 0; overflow: hidden; }
.pane:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--focus); }
.pane-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding-block: 6px; padding-inline: 12px 6px; border-bottom: 1px solid var(--border); background: var(--surface-2); min-height: 42px; flex-wrap: wrap; }
.pane-title { font-size: 13px; font-weight: 600; color: var(--text-2); }
.pane-tools { display: flex; align-items: center; gap: 2px; flex-wrap: wrap; }
.code-area {
  display: block; width: 100%; min-height: 240px; resize: vertical; border: 0; margin: 0;
  padding: 12px; background: var(--surface); color: var(--text);
  font: 13.5px/1.6 var(--mono); tab-size: 4; word-break: break-all; white-space: pre-wrap;
}
.pane .code-area:focus { box-shadow: none; }
.code-area[readonly] { background: var(--surface); }
.code-area::placeholder, .input::placeholder { color: var(--text-3); opacity: .8; }
.code-sm { min-height: 120px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); }
.pane-foot { display: flex; justify-content: space-between; gap: 8px; padding: 6px 12px; border-top: 1px solid var(--border); font-size: 12px; color: var(--text-3); min-height: 30px; font-variant-numeric: tabular-nums; }
.pane-solo .code-area { min-height: 160px; }
.swap { align-self: center; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--border-strong); background: var(--surface); color: var(--text-2); cursor: pointer; display: grid; place-items: center; }
.swap:hover { color: var(--accent-text); border-color: var(--accent); background: var(--accent-soft); }
.swap-spacer { align-self: center; color: var(--text-3); display: grid; place-items: center; width: 24px; }
.tool-foot { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 16px; }
.local-note { display: inline-flex; align-items: center; gap: 6px; margin: 0; margin-inline-start: auto; font-size: 12.5px; color: var(--text-3); }
.local-note .i { width: 14px; height: 14px; }
.file-btn { cursor: pointer; }

.msg { font-size: 13.5px; color: var(--text-2); min-height: 20px; flex: 1 1 200px; }
.msg:empty { display: none; }
.msg.is-error { color: var(--danger); }
.msg.is-warn { color: var(--warn); }
.msg.is-ok { color: var(--success); }
.hint { margin: 0; font-size: 13px; color: var(--text-3); }

/* Drop zone ------------------------------------------------------------- */
.drop { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; text-align: center; padding: 34px 20px; border: 1.5px dashed var(--border-strong); border-radius: 12px; background: var(--surface-2); cursor: pointer; transition: border-color .12s, background .12s; }
.drop:hover, .drop.is-over { border-color: var(--accent); background: var(--accent-soft); }
.drop strong { font-weight: 600; font-size: 15px; }
.drop span { font-size: 13px; color: var(--text-3); }
.drop-icon { width: 30px; height: 30px; color: var(--accent); stroke-width: 1.5; margin-bottom: 4px; }

/* Image tools ----------------------------------------------------------- */
.checker { background-color: var(--surface); background-image: linear-gradient(45deg, var(--checker) 25%, transparent 25%), linear-gradient(-45deg, var(--checker) 25%, transparent 25%), linear-gradient(45deg, transparent 75%, var(--checker) 75%), linear-gradient(-45deg, transparent 75%, var(--checker) 75%); background-size: 16px 16px; background-position: 0 0, 0 8px, 8px -8px, -8px 0; }
.img-list { display: flex; flex-direction: column; gap: 12px; }
.img-list:empty { display: none; }
.img-item { display: grid; grid-template-columns: 140px minmax(0, 1fr); gap: 14px; border: 1px solid var(--border); border-radius: 10px; padding: 12px; }
.img-thumb { width: 140px; height: 140px; border-radius: 8px; display: grid; place-items: center; overflow: hidden; border: 1px solid var(--border); }
.img-thumb img { max-width: 100%; max-height: 100%; object-fit: contain; }
.img-main { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.img-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 13px; color: var(--text-3); }
.img-meta strong { color: var(--text); font-size: 14px; word-break: break-all; }
.img-meta .btn { margin-inline-start: auto; }
.img-out { min-height: 92px; max-height: 220px; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 12.5px; }
.img-result { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(260px, 1fr); gap: 16px; }
.img-preview { border: 1px solid var(--border); border-radius: 10px; min-height: 260px; display: grid; place-items: center; padding: 12px; overflow: hidden; }
.img-preview img { max-width: 100%; max-height: 460px; object-fit: contain; image-rendering: auto; }
.img-side, .file-side { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.img-actions { display: flex; flex-direction: column; gap: 12px; }
.img-actions .field { display: flex; }

.meta { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 6px 14px; margin: 0; font-size: 14px; }
.meta dt { color: var(--text-3); }
.meta dd { margin: 0; color: var(--text); word-break: break-all; font-variant-numeric: tabular-nums; }
.meta dd.mono-pre { font-family: var(--mono); font-size: 13px; white-space: pre-wrap; max-height: 9em; overflow: auto; }

/* File tools ------------------------------------------------------------ */
.file-info { display: flex; flex-direction: column; gap: 12px; border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.file-result { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(260px, 1fr); gap: 16px; }
.file-preview:empty { display: none; }
.file-preview { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; display: grid; place-items: center; min-height: 80px; background: var(--surface-2); }
.file-preview iframe, .file-preview embed { width: 100%; height: 520px; border: 0; background: #fff; }
.file-preview img, .file-preview video { max-width: 100%; max-height: 480px; display: block; }
.file-preview audio { width: 100%; margin: 16px; max-width: calc(100% - 32px); }
.file-preview pre { margin: 0; padding: 12px; width: 100%; max-height: 360px; overflow: auto; font-size: 13px; white-space: pre-wrap; word-break: break-all; align-self: start; }

/* JWT ------------------------------------------------------------------- */
.jwt-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 14px; }
.jwt-grid .code-area { min-height: 340px; }
.jwt-out { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.jwt-part { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.part-head { display: flex; align-items: center; justify-content: space-between; padding-block: 4px; padding-inline: 12px 6px; background: var(--surface-2); border-bottom: 1px solid var(--border); min-height: 38px; }
.part-title { font-size: 13px; font-weight: 600; color: var(--text-2); margin: 0; letter-spacing: 0; }
.json { margin: 0; padding: 10px 12px; font-size: 13px; line-height: 1.55; white-space: pre-wrap; word-break: break-word; min-height: 40px; }
.json .k { color: #7c3aed; } .json .s { color: #047857; } .json .n { color: #b45309; } .json .b { color: #be185d; }
@media (prefers-color-scheme: dark) { .json .k { color: #c4b5fd; } .json .s { color: #6ee7b7; } .json .n { color: #fcd34d; } .json .b { color: #f9a8d4; } }
.sig { display: block; padding: 10px 12px; font-size: 12.5px; color: var(--text-2); }
.claims { width: 100%; border-collapse: collapse; font-size: 13px; }
.claims td { padding: 7px 12px; border-top: 1px solid var(--border); vertical-align: top; }
.claims tr:first-child td { border-top: 0; }
.claims td:first-child { color: var(--text-3); white-space: nowrap; width: 1%; }
.badge { display: inline-block; font-size: 12px; font-weight: 600; padding: 1px 8px; border-radius: 999px; margin-inline-start: 6px; }
.badge-ok { color: var(--success); background: var(--success-soft); }
.badge-bad { color: var(--danger); background: var(--danger-soft); }
.badge-warn { color: var(--warn); background: var(--warn-soft); }
.verify { border: 1px solid var(--border); border-radius: 10px; }
.verify summary { cursor: pointer; padding: 10px 14px; font-weight: 600; font-size: 14px; color: var(--text-2); }
.verify-body { padding: 0 14px 14px; display: flex; flex-direction: column; gap: 10px; }
.verify-body .field { display: flex; }
.verify-status { font-size: 14px; font-weight: 600; }
.verify-status.ok { color: var(--success); } .verify-status.bad { color: var(--danger); }

/* Basic auth, data URI, misc outputs ------------------------------------ */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.form-grid .field { display: flex; }
.out-rows { display: flex; flex-direction: column; gap: 8px; }
.out-row { display: grid; grid-template-columns: 170px minmax(0, 1fr) auto; align-items: center; gap: 10px; border: 1px solid var(--border); border-radius: 10px; padding-block: 8px; padding-inline: 12px 8px; }
.out-label { font-size: 13px; color: var(--text-3); }
.out-code { font-size: 13px; color: var(--text); }
.sub-tool { display: flex; flex-direction: column; gap: 10px; border-top: 1px solid var(--border); padding-top: 14px; }
.parse-out { display: flex; flex-direction: column; gap: 12px; }
.parse-out:empty { display: none; }

.report { display: flex; flex-direction: column; gap: 10px; }
.report:empty { display: none; }
.verdict { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 10px; font-weight: 600; }
.verdict .i { width: 20px; height: 20px; }
.verdict.ok { background: var(--success-soft); color: var(--success); }
.verdict.bad { background: var(--danger-soft); color: var(--danger); }
.report .meta { padding: 4px 2px; }
.issues { margin: 0; padding-inline-start: 20px; color: var(--danger); font-size: 14px; }

.multi-list, .det-list { display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.multi-list:empty, .det-list:empty { display: none; }
.mrow { display: grid; grid-template-columns: 170px minmax(0, 1fr) 76px auto; gap: 12px; align-items: start; padding-block: 10px; padding-inline: 14px 8px; border-top: 1px solid var(--border); }
.mrow:first-child { border-top: 0; }
.mrow-name { font-size: 13.5px; font-weight: 600; padding-top: 4px; }
.mrow-name a { color: var(--text); }
.mrow-out { font: 13px/1.55 var(--mono); word-break: break-all; white-space: pre-wrap; max-height: 7.8em; overflow: auto; padding-top: 4px; color: var(--text); }
.mrow-len { font-size: 12px; color: var(--text-3); padding-top: 6px; text-align: end; font-variant-numeric: tabular-nums; }
.mrow-err { color: var(--text-3); font-family: var(--font); font-style: italic; }
.drow { display: grid; grid-template-columns: 190px minmax(0, 1fr) auto; gap: 14px; align-items: start; padding-block: 12px; padding-inline: 14px 10px; border-top: 1px solid var(--border); }
.drow:first-child { border-top: 0; }
.drow-name { font-weight: 600; font-size: 14px; }
.score { display: flex; align-items: center; gap: 8px; margin-top: 6px; font-size: 12px; color: var(--text-3); }
.score-bar { width: 80px; height: 6px; border-radius: 3px; background: var(--surface-3); overflow: hidden; }
.score-bar i { display: block; height: 100%; background: var(--accent); border-radius: 3px; }
.drow-prev { font: 13px/1.55 var(--mono); white-space: pre-wrap; word-break: break-all; max-height: 7.8em; overflow: auto; }
.drow-note { font-size: 12.5px; color: var(--text-3); margin-top: 4px; font-family: var(--font); }

.alphabet-row { display: flex; flex-direction: column; gap: 6px; }
.alphabet-row .field { display: flex; }

.nb-input { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.nb-results { display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.nb-row { display: grid; grid-template-columns: 170px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding-block: 8px; padding-inline: 14px 8px; border-top: 1px solid var(--border); }
.nb-row:first-child { border-top: 0; }
.nb-label { font-size: 13.5px; color: var(--text-2); font-weight: 500; display: flex; align-items: center; gap: 8px; }
.nb-label select { height: 30px; font-size: 13px; }
.nb-val { font: 14px/1.5 var(--mono); word-break: break-all; }
.nb-meta { font-size: 12px; color: var(--text-3); font-family: var(--font); margin-inline-start: 8px; }

/* Content --------------------------------------------------------------- */
.content { max-width: 860px; margin-top: 36px; }
.block { margin: 0 0 34px; }
.block > h2, .directory > h2 { font-size: 21px; margin: 0 0 12px; font-weight: 650; }
.prose p { margin: 0 0 12px; color: var(--text-2); }
.prose ul, .prose ol { margin: 0 0 12px; padding-inline-start: 22px; color: var(--text-2); }
.prose li { margin: 4px 0; }
.prose strong { color: var(--text); font-weight: 600; }
.prose h3 { font-size: 17px; margin: 20px 0 8px; }
.prose code, .faq code, .steps code, td code { background: var(--surface-3); border-radius: 4px; padding: 1px 5px; font-size: .88em; color: var(--text); word-break: break-word; }
.prose pre { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; overflow-x: auto; margin: 0 0 14px; font-size: 13px; line-height: 1.6; }
.prose pre code { background: none; padding: 0; font-size: inherit; word-break: normal; white-space: pre; }
table { border-collapse: collapse; width: 100%; font-size: 14px; background: var(--surface); }
.prose table, .spec, .examples { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; border-collapse: separate; border-spacing: 0; margin: 0 0 14px; }
th, td { text-align: start; padding: 9px 14px; border-top: 1px solid var(--border); vertical-align: top; }
thead th { background: var(--surface-2); font-weight: 600; color: var(--text-2); font-size: 13px; border-top: 0; }
tbody tr:first-child th, tbody tr:first-child td { border-top: 0; }
thead + tbody tr:first-child td, thead + tbody tr:first-child th { border-top: 1px solid var(--border); }
.spec th { width: 190px; font-weight: 500; color: var(--text-3); background: var(--surface-2); }
.prose td { color: var(--text-2); }
.wrap-any { word-break: break-all; white-space: pre-wrap; }
.examples td code { background: none; padding: 0; }
.table-scroll { overflow-x: auto; }

.steps { margin: 0; padding: 0; list-style: none; counter-reset: step; display: grid; gap: 10px; }
.steps li { counter-increment: step; position: relative; padding-inline-start: 40px; color: var(--text-2); min-height: 28px; padding-top: 2px; }
.steps li::before { content: counter(step); position: absolute; inset-inline-start: 0; top: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-text); font-weight: 600; font-size: 13px; display: grid; place-items: center; }

.faq details { border: 1px solid var(--border); border-radius: 10px; background: var(--surface); margin-bottom: 8px; }
.faq summary { cursor: pointer; padding-block: 13px; padding-inline: 16px 44px; font-weight: 600; list-style: none; position: relative; color: var(--text); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; inset-inline-end: 18px; top: 50%; width: 8px; height: 8px; border-right: 1.8px solid var(--text-3); border-bottom: 1.8px solid var(--text-3); transform: translateY(-70%) rotate(45deg); transition: transform .15s; }
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq-a { padding: 0 16px 12px; color: var(--text-2); }
.faq-a p { margin: 0 0 8px; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
.card { display: flex; flex-direction: column; gap: 3px; padding: 13px 15px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); color: var(--text); transition: border-color .12s, box-shadow .12s; }
.card:hover { border-color: var(--accent); text-decoration: none; box-shadow: 0 0 0 3px var(--accent-soft); }
.card strong { font-size: 14.5px; font-weight: 600; }
.card span { font-size: 13px; color: var(--text-3); line-height: 1.45; }
.directory { margin-top: 8px; }
.dir-group { margin-bottom: 26px; }
.dir-group h3 { font-size: 15px; color: var(--text-2); margin: 0 0 10px; font-weight: 600; }
.directory .dir-group > h2 { font-size: 19px; }
.related { margin-top: 10px; }

.notfound { text-align: center; padding: 60px 0; }
.notfound .lead { margin: 0 auto 24px; }
.code-404 { font-size: 64px; font-weight: 700; color: var(--accent); margin: 0; letter-spacing: -.03em; }
.notfound .btn { margin: 4px; }

/* Footer ---------------------------------------------------------------- */
.site-footer { background: var(--surface); border-top: 1px solid var(--border); padding: 40px 0 28px; font-size: 13.5px; }
.foot-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 24px; }
.foot-col h2, .foot-network h2, .foot-langs h2 { font-size: 13px; font-weight: 600; color: var(--text); margin: 0 0 10px; letter-spacing: 0; }
.foot-col ul { list-style: none; margin: 0; padding: 0; }
.foot-col li { margin: 0 0 5px; }
.foot-col a, .foot-links a, .foot-meta a { color: var(--text-3); }
.foot-col a:hover, .foot-links a:hover, .foot-meta a:hover { color: var(--accent-text); }
.foot-network, .foot-langs { margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--border); }
.foot-langs { margin-top: 22px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.foot-bottom { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--border); color: var(--text-3); }
.foot-bottom p { margin: 0 0 6px; }
.foot-meta { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.foot-note { font-size: 12.5px; }

/* Language specific type and right-to-left layout ------------------------ */
:lang(zh-Hant) { --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang TC", "Microsoft JhengHei", "Noto Sans CJK TC", sans-serif; }
:lang(ja) { --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Meiryo", "Noto Sans CJK JP", sans-serif; }
:lang(ko) { --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans CJK KR", sans-serif; }
:lang(th) { --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Thonburi", "Leelawadee UI", "Noto Sans Thai", sans-serif; }
:lang(hi) { --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Kohinoor Devanagari", "Nirmala UI", "Noto Sans Devanagari", sans-serif; }
:lang(ar) { --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Geeza Pro", "Noto Sans Arabic", Tahoma, Arial, sans-serif; }
body, select, .input, .btn, .seg button { font-family: var(--font); }
[dir="rtl"] select { background-position: left 8px center; }
[dir="rtl"] .swap-spacer .i { transform: scaleX(-1); }
[dir="rtl"] pre, [dir="rtl"] .json, [dir="rtl"] .sig, [dir="rtl"] .out-code, [dir="rtl"] .mrow-out, [dir="rtl"] .drow-prev, [dir="rtl"] .nb-val, [dir="rtl"] .share-input, [dir="rtl"] .mono, [dir="rtl"] .meta dd.mono-pre { direction: ltr; text-align: left; unicode-bidi: isolate; }
[dir="rtl"] .examples code, [dir="rtl"] .spec code { unicode-bidi: isolate; }
[dir="rtl"] .meta dd, [dir="rtl"] .pane-foot span { unicode-bidi: plaintext; text-align: right; }
[dir="rtl"] code { direction: ltr; unicode-bidi: isolate; }
[dir="rtl"] .img-out, [dir="rtl"] .code-sm { direction: ltr; text-align: left; }
[dir="rtl"] .code-area:not([dir="ltr"]):placeholder-shown, [dir="rtl"] .input.mono:not([dir="ltr"]):placeholder-shown { direction: rtl; text-align: right; }
[dir="rtl"] .drow-note, [dir="rtl"] .mrow-err { direction: rtl; text-align: right; unicode-bidi: isolate; }

/* Share link ------------------------------------------------------------- */
.share { display: flex; flex-direction: column; gap: 6px; }
.share-label { font-size: 12px; font-weight: 500; color: var(--text-3); }
.share-row { display: flex; gap: 8px; align-items: center; }
.share-input { flex: 1 1 auto; min-width: 0; height: 32px; font-size: 13px; color: var(--text-2); background: var(--surface-2); }
.share .hint { font-size: 12.5px; }
.notfound-langs { font-size: 14px; color: var(--text-3); max-width: 720px; margin: 16px auto 0; line-height: 2; }

/* Responsive ------------------------------------------------------------ */
@media (max-width: 980px) {
  .foot-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .img-result, .file-result, .jwt-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 820px) {
  .panes { grid-template-columns: minmax(0, 1fr); }
  .swap { justify-self: center; transform: rotate(90deg); }
  .swap-spacer { justify-self: center; transform: rotate(90deg); }
  [dir="rtl"] .swap-spacer .i { transform: none; }
  .code-area { min-height: 170px; }
}
@media (max-width: 720px) {
  body { font-size: 15px; }
  .wrap { padding: 0 16px; }
  .header-inner { gap: 12px; }
  .main-nav a:not([href$="/tools/"]) { display: none; }
  .main-nav { justify-content: flex-end; }
  .lang-menu summary span { display: none; }
  .hero h1 { font-size: 24px; }
  .lead { font-size: 15px; }
  .tool { padding: 12px; border-radius: 10px; }
  .local-note { margin-inline-start: 0; }
  .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-grid { grid-template-columns: minmax(0, 1fr); }
  .out-row { grid-template-columns: minmax(0, 1fr) auto; }
  .out-label { grid-column: 1 / -1; }
  .mrow { grid-template-columns: minmax(0, 1fr) auto; }
  .mrow-name { grid-column: 1 / 2; }
  .mrow-out { grid-column: 1 / -1; grid-row: 2; }
  .mrow-len { display: none; }
  .drow, .nb-row { grid-template-columns: minmax(0, 1fr) auto; }
  .drow-prev { grid-column: 1 / -1; grid-row: 2; }
  .img-item { grid-template-columns: 84px minmax(0, 1fr); }
  .img-thumb { width: 84px; height: 84px; }
  .spec th { width: 120px; }
  th, td { padding: 8px 10px; }
  .prose table { display: block; overflow-x: auto; }
}
@media (max-width: 420px) {
  .foot-grid { grid-template-columns: minmax(0, 1fr); }
  .seg button { padding: 0 12px; }
}
@media print {
  .site-header, .site-footer, .tool, .related, .directory { display: none; }
}