/* JSON Pretty Print: one sheet, two panes. The input is the draft on raised
   paper; the output is the printed proof on the page beneath it. Loaded
   after collection-pages.css, so selectors are scoped under #json-tool. */

/* Syntax colors read like a two-ink print job: rust keys, sage strings,
   ochre numbers, and literals in italic rust. */
:root {
    --json-key: var(--tint-brand-text);
    --json-string: var(--viz-sage-text);
    --json-number: #8a6417;
    --json-literal: var(--brand);
    --json-punct: var(--subtle-foreground);
    --json-guide: color-mix(in srgb, var(--border) 80%, transparent);
    --json-line: 22px;
}
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) { --json-number: #d8b56a; }
}
:root[data-theme="dark"] { --json-number: #d8b56a; }

#json-tool [hidden] { display: none !important; }

/* ------------------------------------------------------------ toolbar */

#json-tool .jp-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px 28px;
    padding: 16px 0;
    margin-bottom: 22px;
    border-block: 1px solid var(--border);
}
#json-tool .jp-field { display: inline-flex; align-items: center; gap: 10px; color: var(--muted-foreground); font-size: 13px; }
#json-tool .jp-end { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 4px 20px; margin-left: auto; }

/* Segmented: one hairline strip; the chosen option is printed in ink. */
/* ------------------------------------------------------------ the sheet */

#json-tool .jp-sheet {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: 0 24px 40px -36px hsl(var(--shadow-color) / .55);
}
#json-tool .jp-pane {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    height: clamp(440px, 68vh, 700px);
}
#json-tool .jp-pane--input { border-right: 1px solid var(--border); border-radius: var(--radius) 0 0 var(--radius); background: var(--raised); }

#json-tool .jp-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px 14px;
    min-height: 52px;
    padding: 8px 10px 8px 18px;
    border-bottom: 1px solid var(--border);
}
#json-tool .jp-title { display: inline-flex; align-items: baseline; gap: 10px; color: var(--foreground); font: 400 20px/1.2 var(--font-serif); letter-spacing: -.02em; }
#json-tool .jp-meta { display: inline-flex; align-items: center; gap: 8px; min-width: 0; }
#json-tool .jp-count { color: var(--subtle-foreground); font: 11px var(--font-mono); white-space: nowrap; }
#json-tool .jp-small {
    min-height: 30px;
    padding: 4px 11px;
    font-size: 13px;
    font-weight: 500;
}
#json-tool .jp-small:disabled { opacity: .35; }
#json-tool .jp-small.is-done { border-color: var(--success); color: var(--success); }

/* Validity: a quiet green dot, or a red pill that takes you to the problem. */
#json-tool .jp-validity {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 26px;
    padding: 2px 10px;
    border: 1px solid transparent;
    border-radius: 999px;
    background: transparent;
    font: 11px var(--font-mono);
    white-space: nowrap;
    cursor: default;
}
#json-tool .jp-validity[hidden] { display: none; }
.jp-validity::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
#json-tool .jp-validity.ok { color: var(--success); background: var(--success-soft); }
#json-tool .jp-validity.bad { color: var(--destructive); background: var(--destructive-soft); border-color: color-mix(in srgb, var(--destructive) 30%, transparent); cursor: pointer; }
#json-tool .jp-validity.bad:hover { border-color: var(--destructive); }

/* -------------------------------------------------------- input editor */

#json-tool .jp-editor {
    position: relative;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    flex: 1;
    min-height: 0;
    overflow: hidden;
}
#json-tool .jp-gutter {
    min-width: 46px;
    margin: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    padding: 16px 12px 16px 10px;
    overflow: hidden;
    border-right: 1px solid var(--json-guide);
    color: var(--subtle-foreground);
    font: 11.5px/var(--json-line) var(--font-mono);
    text-align: right;
    user-select: none;
    opacity: .75;
}
#json-tool .jp-gutter .is-error { color: var(--destructive); font-weight: 600; opacity: 1; }
#json-tool .jp-gutter .is-error::before { content: '●'; margin-right: 4px; font-size: 7px; vertical-align: 2px; }
#json-tool .jp-textarea {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    min-height: 0;
    margin: 0;
    padding: 16px 18px;
    border: 0;
    border-radius: 0;
    background: transparent;
    resize: none;
    color: var(--foreground);
    font: 13px/var(--json-line) var(--font-mono);
    tab-size: 2;
    white-space: pre;
    overflow: auto;
    box-shadow: none;
}
#json-tool .jp-textarea:hover { border: 0; }
#json-tool .jp-textarea:focus-visible { outline: none; border: 0; box-shadow: none; }
#json-tool .jp-pane--input:focus-within { box-shadow: inset 0 2px 0 var(--brand); }
#json-tool .jp-textarea::placeholder { color: var(--subtle-foreground); }
/* The error band sits behind the text, scrolled with it. */
#json-tool .jp-band {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: var(--json-line);
    background: var(--destructive-soft);
    box-shadow: inset 2px 0 0 var(--destructive);
    pointer-events: none;
}
#json-tool .jp-band[hidden] { display: none; }

/* Drop a file: the whole pane becomes the target. */
#json-tool .jp-drop {
    position: absolute;
    inset: 8px;
    z-index: 5;
    display: grid;
    place-content: center;
    gap: 6px;
    border: 1.5px dashed var(--brand);
    border-radius: var(--radius);
    background: color-mix(in srgb, var(--raised) 92%, transparent);
    color: var(--brand);
    font: 400 22px/1.3 var(--font-serif);
    text-align: center;
    pointer-events: none;
}
#json-tool .jp-drop small { color: var(--muted-foreground); font: 13px var(--font-sans); }
#json-tool .jp-drop[hidden] { display: none; }

/* The error note: where, why, and a caret under the exact spot. */
#json-tool .jp-error {
    padding: 14px 18px 16px;
    border-top: 1px solid color-mix(in srgb, var(--destructive) 28%, var(--border));
    background: var(--destructive-soft);
}
#json-tool .jp-error[hidden] { display: none; }
#json-tool .jp-error-where {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: var(--destructive);
    font: 500 11px var(--font-mono);
    letter-spacing: .06em;
    text-transform: uppercase;
}
#json-tool .jp-error-where button {
    min-height: 0;
    padding: 0;
    border: 0;
    background: none;
    color: var(--destructive);
    font: 500 11px var(--font-mono);
    letter-spacing: .06em;
    text-decoration: underline;
    text-underline-offset: 3px;
    text-transform: uppercase;
}
#json-tool .jp-error-where button:hover { background: none; }
#json-tool .jp-error-why { margin-top: 6px; color: var(--foreground); font: 400 16px/1.45 var(--font-serif); }
#json-tool .jp-error-snip {
    margin: 10px 0 0;
    padding: 0;
    overflow: hidden;
    border: 0;
    background: none;
    color: var(--muted-foreground);
    font: 12px/1.6 var(--font-mono);
    white-space: pre;
}
#json-tool .jp-error-snip mark { padding: 0 1px; border-radius: 2px; background: color-mix(in srgb, var(--destructive) 22%, transparent); color: var(--foreground); }
#json-tool .jp-error-snip .caret { color: var(--destructive); }

/* ------------------------------------------------------------- output */

#json-tool .jp-scroll { position: relative; flex: 1; min-height: 0; overflow: auto; transition: opacity var(--motion-settle) var(--ease-standard); }
#json-tool .jp-scroll:focus-visible { outline: 2px solid var(--brand); outline-offset: -2px; }
#json-tool .jp-pane--output.is-stale .jp-scroll { opacity: .42; filter: saturate(.4); }
#json-tool .jp-stale {
    display: none;
    padding: 7px 18px;
    border-bottom: 1px solid var(--border);
    color: var(--muted-foreground);
    font-size: 12px;
}
#json-tool .is-stale .jp-stale { display: block; }

#json-tool .jp-code {
    min-width: max-content;
    margin: 0;
    padding: 16px 0 20px;
    border: 0;
    border-radius: 0;
    background: transparent;
    counter-reset: line;
    color: var(--foreground);
    font: 13px/var(--json-line) var(--font-mono);
    tab-size: 4;
}
#json-tool .jp-code[hidden] { display: none; }
.jp-code .ln { display: grid; grid-template-columns: var(--gutter, 4ch) auto; counter-increment: line; }
.jp-code .ln::before {
    content: counter(line);
    position: sticky;
    left: 0;
    padding: 0 14px 0 10px;
    border-right: 1px solid var(--json-guide);
    background: var(--surface);
    color: var(--subtle-foreground);
    font-size: 11.5px;
    opacity: .75;
    text-align: right;
    user-select: none;
}
.jp-code .ln > span { padding: 0 24px 0 18px; }
.jp-code.is-wrapped { min-width: 0; }
.jp-code.is-wrapped .ln > span { white-space: pre-wrap; word-break: break-all; }
.tk-key { color: var(--json-key); }
.tk-str { color: var(--json-string); }
.tk-num { color: var(--json-number); }
.tk-lit { color: var(--json-literal); font-style: italic; }
.tk-pun { color: var(--json-punct); }

/* Tree: each level hangs from a hairline, like an outline in a margin. */
#json-tool .jp-tree { padding: 12px 18px 22px 10px; font: 13px/var(--json-line) var(--font-mono); }
#json-tool .jp-tree[hidden] { display: none; }
.jp-tree ul { margin: 0; padding: 0; list-style: none; }
.jp-tree ul ul { margin-left: 11px; padding-left: 12px; border-left: 1px solid var(--json-guide); }
.jp-tree li { min-width: 0; }
.jp-node { display: flex; align-items: baseline; gap: 0; min-height: var(--json-line); border-radius: 2px; }
.jp-node:hover { background: color-mix(in srgb, var(--foreground) 4%, transparent); }
#json-tool .jp-twist {
    display: inline-grid;
    place-items: center;
    width: 20px;
    height: 20px;
    min-height: 0;
    flex: 0 0 auto;
    align-self: center;
    padding: 0;
    border: 0;
    border-radius: 2px;
    background: transparent;
    color: var(--subtle-foreground);
}
#json-tool .jp-twist:hover { background: var(--secondary); color: var(--foreground); }
.jp-twist svg { width: 9px; height: 9px; transition: transform var(--motion-fast) var(--ease-standard); }
.jp-twist[aria-expanded="true"] svg { transform: rotate(90deg); }
.jp-twist-spacer { display: inline-block; width: 20px; flex: 0 0 auto; }
#json-tool .jp-key {
    min-height: 0;
    padding: 0 2px;
    border: 0;
    border-radius: 2px;
    background: transparent;
    color: var(--json-key);
    font: inherit;
    letter-spacing: 0;
    white-space: nowrap;
    cursor: copy;
}
#json-tool .jp-key:hover { background: var(--tint-brand); color: var(--tint-brand-text); }
#json-tool .jp-key.is-index { color: var(--subtle-foreground); }
#json-tool .jp-key.is-index:hover { color: var(--tint-brand-text); }
#json-tool .jp-key.is-copied { background: var(--success-soft); color: var(--success); }
.jp-colon { margin-right: 8px; color: var(--json-punct); }
.jp-val { min-width: 0; overflow-wrap: anywhere; }
.jp-summary { color: var(--muted-foreground); font-family: var(--font-serif); font-size: 14px; font-style: italic; letter-spacing: -.01em; }
.jp-summary .tk-pun { font-family: var(--font-mono); font-size: 13px; font-style: normal; }
#json-tool .jp-more {
    min-height: 0;
    margin: 4px 0 4px 20px;
    padding: 2px 10px;
    border-style: dashed;
    color: var(--muted-foreground);
    font: 12px var(--font-mono);
}

/* Empty state: braces set large like a printer's ornament. */
#json-tool .jp-empty {
    position: absolute;
    inset: 0;
    display: grid;
    place-content: center;
    justify-items: center;
    gap: 10px;
    padding: 24px;
    color: var(--muted-foreground);
    text-align: center;
}
#json-tool .jp-empty[hidden] { display: none; }
.jp-empty-mark { color: var(--border-strong); font: 400 64px/1 var(--font-serif); letter-spacing: .06em; }
.jp-empty-title { color: var(--foreground); font: 400 22px/1.3 var(--font-serif); letter-spacing: -.015em; }
.jp-empty-hint { max-width: 34ch; font-size: 14px; line-height: 1.6; }
#json-tool .jp-link {
    min-height: 0;
    padding: 0;
    border: 0;
    background: none;
    color: var(--foreground);
    font: inherit;
    letter-spacing: 0;
    text-decoration: underline;
    text-decoration-color: var(--border-strong);
    text-underline-offset: 3px;
}
#json-tool .jp-link:hover { background: none; color: var(--brand); text-decoration-color: var(--brand); }

/* The path bar: where the pointer is, in the language you'd paste. */
#json-tool .jp-path {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 36px;
    padding: 6px 18px;
    border-top: 1px solid var(--border);
    color: var(--subtle-foreground);
    font: 12px var(--font-mono);
}
#json-tool .jp-path[hidden] { display: none; }
#json-tool .jp-path output { min-width: 0; overflow: hidden; color: var(--foreground); text-overflow: ellipsis; white-space: nowrap; }
#json-tool .jp-path output:empty::before { content: '$'; color: var(--subtle-foreground); }
#json-tool .jp-path span { margin-left: auto; flex: 0 0 auto; font-family: var(--font-sans); }

/* -------------------------------------------------------- stats strip */

#json-tool .jp-stats {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    margin: 26px 0 0;
    border-block: 1px solid var(--border);
}
#json-tool .jp-stats > div { min-width: 0; padding: 14px 18px 16px; }
#json-tool .jp-stats > div + div { border-left: 1px solid var(--border); }
#json-tool .jp-stats dt { color: var(--muted-foreground); font-size: 13px; }
#json-tool .jp-stats dd { margin: 4px 0 0; color: var(--foreground); font: 400 26px/1.15 var(--font-serif); letter-spacing: -.03em; white-space: nowrap; }
#json-tool .jp-stats dd small { margin-left: 5px; color: var(--muted-foreground); font: 500 12px var(--font-sans); letter-spacing: .02em; }
#json-tool .jp-stats dd.is-empty { color: var(--border-strong); }
#json-tool .jp-delta { display: block; margin-top: 2px; color: var(--subtle-foreground); font: 11px var(--font-mono); }

#json-tool .jp-foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px 24px;
    margin-top: 16px;
    color: var(--muted-foreground);
    font-size: 14px;
}
#json-tool .jp-status { min-height: 22px; }
#json-tool .jp-status.error { color: var(--destructive); }
#json-tool .jp-status.success::before { content: '✓'; margin-right: 8px; color: var(--success); }
#json-tool .jp-privacy { display: inline-flex; align-items: center; gap: 9px; }
#json-tool .jp-privacy::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 3px var(--success-soft); }
#json-tool kbd {
    display: inline-block;
    min-width: 22px;
    padding: 1px 6px;
    border: 1px solid var(--border);
    border-bottom-width: 2px;
    border-radius: 4px;
    background: var(--raised);
    color: var(--foreground);
    font: 11px/1.5 var(--font-mono);
    text-align: center;
}

@media (prefers-reduced-motion: no-preference) {
    .jp-tree ul ul { animation: jp-unfold var(--motion-settle) var(--ease-standard); }
    @keyframes jp-unfold { from { opacity: 0; transform: translateY(-3px); } }
}

/* ------------------------------------------------------------- narrow */

@media (max-width: 900px) {
    #json-tool .jp-sheet { grid-template-columns: minmax(0, 1fr); }
    #json-tool .jp-pane { height: auto; }
    #json-tool .jp-pane--input { border-right: 0; border-bottom: 1px solid var(--border); border-radius: var(--radius) var(--radius) 0 0; }
    #json-tool .jp-editor { height: 280px; flex: none; }
    #json-tool .jp-scroll { flex: none; height: min(62vh, 520px); }
    #json-tool .jp-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    #json-tool .jp-stats > div:nth-child(4) { border-left: 0; }
    #json-tool .jp-stats > div:nth-child(n+4) { border-top: 1px solid var(--border); }
}
@media (max-width: 640px) {
    #json-tool .jp-toolbar { gap: 12px 16px; }
    #json-tool .jp-end { width: 100%; margin-left: 0; }
    #json-tool .jp-head { padding-left: 14px; }
    #json-tool .jp-count .opt { display: none; }
    #json-tool .jp-gutter { min-width: 36px; padding-inline: 6px 8px; }
    #json-tool .jp-textarea { padding-inline: 12px; font-size: 16px; }
    #json-tool .jp-tree { padding-inline: 4px 12px; }
    #json-tool .jp-path span { display: none; }
    #json-tool .jp-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    #json-tool .jp-stats > div { padding: 12px 14px 14px; }
    #json-tool .jp-stats > div:nth-child(n) { border-left: 0; border-top: 1px solid var(--border); }
    #json-tool .jp-stats > div:nth-child(-n+2) { border-top: 0; }
    #json-tool .jp-stats > div:nth-child(even) { border-left: 1px solid var(--border); }
    #json-tool .jp-stats > div:last-child { grid-column: 1 / -1; border-left: 0; }
    #json-tool .jp-stats dd { font-size: 23px; }
    #json-tool .jp-shortcut { display: none; }
}