/* JSON Formatter & Validator — dark, matching the JSON Explorer tool. */

:root {
  --jf-bg: #0b0c10;
  --jf-panel: #111217;
  --jf-panel-2: #161823;
  --jf-muted: #aab1c5;
  --jf-text: #e8ebf5;
  --jf-accent: #2f81f7;
  --jf-border: #232634;
  --jf-success: #2fbf71;
  --jf-danger: #ff4d4f;
  --jf-warning: #f2b705;
  --jf-info: #69a7ff;
  --jf-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --jf-editor-font-size: 13px;
  --jf-editor-line-height: 20px;
}

body.json-formatter {
  margin: 0;
  padding: 0;
  background: var(--jf-bg);
  color: var(--jf-text);
  font: 14px/1.45 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial;
  min-height: 100vh;
}
body.json-formatter [hidden] { display: none !important; }
body.json-formatter h1,
body.json-formatter h2,
body.json-formatter h3,
body.json-formatter h4 { color: var(--jf-text); }

/* ---------- header & toolbar ---------- */

.jf-top {
  position: sticky;
  top: var(--jf-site-header-h, 0px);
  z-index: 10;
  background: var(--jf-bg);
  border-bottom: 1px solid var(--jf-border);
}

.jf-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 10px 16px;
  background: #0d0f15;
}
.jf-header h1 { font-size: 18px; margin: 0; }
.jf-help-link { font-size: 14px; margin-left: 10px; color: var(--jf-accent); text-decoration: none; font-weight: normal; }
.jf-help-link:hover { text-decoration: underline; }
.jf-header-tools { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.jf-toolbar {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  flex-wrap: wrap;
  padding: 8px 16px;
  background: #0e1018;
  border-top: 1px solid var(--jf-border);
}

.jf-field { display: flex; flex-direction: column; gap: 3px; font-size: 11px; color: var(--jf-muted); }
.jf-field > span:first-child { font-weight: 600; letter-spacing: 0.02em; text-transform: uppercase; font-size: 10px; }
.jf-field-wide select { min-width: 230px; }
.jf-field-narrow { max-width: 110px; }
.jf-inline { display: flex; gap: 4px; }
.jf-num { width: 62px; }

.jf-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--jf-muted);
  cursor: pointer;
  padding-bottom: 5px;
  white-space: nowrap;
}
.jf-check input { accent-color: var(--jf-accent); }
.jf-check-strong { color: var(--jf-text); font-weight: 600; }

.jf-advanced {
  padding: 0 16px 8px;
  background: #0e1018;
  font-size: 12px;
}
.jf-advanced > summary {
  cursor: pointer;
  user-select: none;
  color: var(--jf-muted);
  padding: 6px 0;
  list-style: none;
  width: max-content;
}
.jf-advanced > summary::-webkit-details-marker { display: none; }
.jf-advanced > summary::before { content: '▸ '; font-size: 10px; }
.jf-advanced[open] > summary::before { content: '▾ '; }
.jf-advanced > summary:hover { color: var(--jf-text); }
.jf-advanced-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 8px 18px;
  padding: 6px 0 4px;
  align-items: end;
}
.jf-advanced-grid .jf-check { padding-bottom: 0; white-space: normal; }
.jf-pair { display: flex; flex-direction: column; gap: 5px; }
.jf-subfield {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-left: 22px;
  font-size: 12px;
  color: var(--jf-muted);
}
.jf-advanced-grid .jf-pair input[type="number"] { width: 62px; }

/* ---------- controls ---------- */

.jf-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border: 1px solid var(--jf-border);
  background: var(--jf-panel-2);
  color: var(--jf-text);
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
}
.jf-btn:hover { background: #192038; }
.jf-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.jf-btn:disabled:hover { background: var(--jf-panel-2); }
.jf-btn-sm { padding: 3px 8px; font-size: 12px; }
.jf-btn-primary { background: var(--jf-accent); border-color: var(--jf-accent); color: #fff; }
.jf-btn-primary:hover { filter: brightness(1.08); background: var(--jf-accent); }

.jf-input {
  padding: 5px 7px;
  border: 1px solid var(--jf-border);
  background: #0b0d16;
  color: var(--jf-text);
  border-radius: 7px;
  font: inherit;
  font-size: 13px;
}
.jf-input:focus { outline: 1px solid var(--jf-accent); }
select.jf-input { cursor: pointer; }

/* ---------- editor panes ---------- */

.jf-panes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 12px 16px 0;
  align-items: stretch;
}

.jf-pane {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--jf-panel);
  border: 1px solid var(--jf-border);
  border-radius: 12px;
  overflow: hidden;
}
.jf-pane-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 7px 10px;
  background: #0e1018;
  border-bottom: 1px solid var(--jf-border);
}
.jf-pane-head h2 { margin: 0; font-size: 13px; letter-spacing: 0.02em; }
.jf-pane-meta { font-size: 11px; color: var(--jf-muted); font-variant-numeric: tabular-nums; }
.jf-pane-actions { margin-left: auto; display: flex; gap: 6px; flex-wrap: wrap; }

.jf-editor {
  display: flex;
  position: relative;
  height: clamp(240px, 46vh, 560px);
  background: #0b0d16;
}
.jf-gutter {
  flex: 0 0 auto;
  overflow: hidden;
  padding: 10px 6px 10px 10px;
  background: #0a0c14;
  border-right: 1px solid var(--jf-border);
  color: #4d5573;
  font-family: var(--jf-mono);
  font-size: var(--jf-editor-font-size);
  line-height: var(--jf-editor-line-height);
  text-align: right;
  user-select: none;
}
.jf-gutter i { display: block; font-style: normal; min-width: 2.2em; }
.jf-gutter i.mark-error { color: var(--jf-danger); font-weight: 700; }
.jf-gutter i.mark-warning { color: var(--jf-warning); font-weight: 700; }
.jf-gutter i.mark-info { color: var(--jf-info); }
.jf-gutter i.current { background: rgba(47, 129, 247, 0.28); border-radius: 3px; }

.jf-editor textarea {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  padding: 10px;
  border: none;
  background: transparent;
  color: #d6e3ff;
  font-family: var(--jf-mono);
  font-size: var(--jf-editor-font-size);
  line-height: var(--jf-editor-line-height);
  resize: none;
  white-space: pre;
  overflow: auto;
  tab-size: 4;
}
.jf-panes.jf-wrap .jf-editor textarea { white-space: pre-wrap; overflow-wrap: anywhere; }
.jf-editor textarea:focus { outline: none; box-shadow: inset 0 0 0 1px rgba(47, 129, 247, 0.5); }
.jf-editor textarea::placeholder { color: #4d5573; }
.jf-editor textarea::selection { background: rgba(47, 129, 247, 0.45); }

/* ---------- results ---------- */

.jf-results { padding: 12px 16px 0; }

.jf-status {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 9px 12px;
  background: var(--jf-panel);
  border: 1px solid var(--jf-border);
  border-radius: 10px;
  font-size: 13px;
}
.jf-badge {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.jf-badge-idle { background: #1b1e2b; color: var(--jf-muted); }
.jf-badge-ok { background: rgba(47, 191, 113, 0.16); color: #58d999; border: 1px solid rgba(47, 191, 113, 0.4); }
.jf-badge-warning { background: rgba(242, 183, 5, 0.16); color: #f4cd52; border: 1px solid rgba(242, 183, 5, 0.4); }
.jf-badge-error { background: rgba(255, 77, 79, 0.16); color: #ff9a9c; border: 1px solid rgba(255, 77, 79, 0.4); }
.jf-status-text { color: var(--jf-muted); }
.jf-status-text strong { color: var(--jf-text); }
.jf-status-out { margin-left: auto; font-size: 12px; color: var(--jf-muted); }
.jf-status-out.good { color: #58d999; }
.jf-status-out.bad { color: #ff9a9c; }

.jf-filters { display: flex; gap: 8px; margin: 10px 0 0; flex-wrap: wrap; }
.jf-chip {
  border: 1px solid var(--jf-border);
  background: var(--jf-panel-2);
  color: var(--jf-muted);
  border-radius: 999px;
  padding: 3px 12px;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}
.jf-chip b { font-variant-numeric: tabular-nums; }
.jf-chip[aria-pressed="false"] { opacity: 0.4; text-decoration: line-through; }
.jf-chip-error { border-color: rgba(255, 77, 79, 0.45); color: #ff9a9c; }
.jf-chip-warning { border-color: rgba(242, 183, 5, 0.45); color: #f4cd52; }
.jf-chip-info { border-color: rgba(105, 167, 255, 0.45); color: var(--jf-info); }

.jf-issues { list-style: none; margin: 10px 0 0; padding: 0; max-height: 320px; overflow: auto; }
.jf-issue {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  border-left: 3px solid transparent;
  border-bottom: 1px solid var(--jf-border);
  background: var(--jf-panel);
}
.jf-issue:first-child { border-top-left-radius: 8px; border-top-right-radius: 8px; }
.jf-issue.sev-error { border-left-color: var(--jf-danger); }
.jf-issue.sev-warning { border-left-color: var(--jf-warning); }
.jf-issue.sev-info { border-left-color: var(--jf-info); }
.jf-issue.active { background: #171c2e; }
.jf-issue-main {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--jf-text);
  font: inherit;
  font-size: 13px;
  padding: 7px 10px;
  cursor: pointer;
}
.jf-issue-main:hover { background: rgba(255, 255, 255, 0.03); }
.jf-issue-pos {
  font-family: var(--jf-mono);
  font-size: 11px;
  color: var(--jf-muted);
  min-width: 56px;
  font-variant-numeric: tabular-nums;
}
.jf-issue-label { font-weight: 600; font-size: 12px; }
.sev-error .jf-issue-label { color: #ff9a9c; }
.sev-warning .jf-issue-label { color: #f4cd52; }
.sev-info .jf-issue-label { color: var(--jf-info); }
.jf-issue-msg { color: var(--jf-muted); }
.jf-issue-toggle {
  background: none;
  border: none;
  color: var(--jf-muted);
  cursor: pointer;
  font: inherit;
  padding: 7px 10px;
}
.jf-issue-toggle:hover { color: var(--jf-text); }
.jf-issue-detail {
  grid-column: 1 / -1;
  padding: 0 12px 10px 66px;
  font-size: 12px;
  color: var(--jf-muted);
}
.jf-issue-detail p { margin: 0 0 6px; }
.jf-issue-hint { color: #f4cd52; }
.jf-issue-more { padding: 8px 12px; font-size: 12px; color: var(--jf-muted); }

.jf-stats-wrap { margin: 12px 0 0; font-size: 12px; }
.jf-stats-wrap > summary {
  cursor: pointer;
  user-select: none;
  color: var(--jf-muted);
  list-style: none;
  width: max-content;
  padding: 4px 0;
}
.jf-stats-wrap > summary::-webkit-details-marker { display: none; }
.jf-stats-wrap > summary::before { content: '▸ '; font-size: 10px; }
.jf-stats-wrap[open] > summary::before { content: '▾ '; }
.jf-stats-wrap > summary:hover { color: var(--jf-text); }
.jf-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 6px 16px;
  padding: 8px 0;
}
.jf-stat {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 4px 8px;
  background: var(--jf-panel);
  border: 1px solid var(--jf-border);
  border-radius: 7px;
}
.jf-stat span { color: var(--jf-muted); }
.jf-stat b { font-variant-numeric: tabular-nums; }

/* ---------- toast & drop hint ---------- */

.jf-toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--jf-panel-2);
  color: var(--jf-text);
  border: 1px solid var(--jf-border);
  padding: 10px 14px;
  border-radius: 10px;
  z-index: 200;
  font-size: 13px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45);
  opacity: 0;
  transition: opacity 0.2s;
  max-width: 90vw;
}
.jf-toast.show { opacity: 1; }
.jf-toast.error { border-color: var(--jf-danger); color: #ff9a9c; }

.jf-drop {
  position: fixed;
  inset: 0;
  z-index: 190;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(11, 12, 16, 0.75);
  pointer-events: none;
}
.jf-drop span {
  padding: 20px 32px;
  border: 2px dashed var(--jf-accent);
  border-radius: 14px;
  font-size: 16px;
  color: var(--jf-text);
  background: var(--jf-panel);
}

/* ---------- help ---------- */

.jf-help-section {
  margin: 16px;
  background: var(--jf-panel);
  border: 1px solid var(--jf-border);
  border-radius: 14px;
}
.jf-help-header {
  padding: 12px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--jf-border);
}
.jf-help-header h2 { margin: 0; font-size: 16px; }
.jf-help-header:hover { background: rgba(255, 255, 255, 0.04); }
.jf-help-content { padding: 14px 16px; display: none; }
.jf-help-content.expanded { display: block; }
.jf-help-content h3 { color: var(--jf-accent); margin-top: 0; }
.jf-help-content h4 { margin: 18px 0 6px; }
.jf-help-content ul { padding-left: 22px; line-height: 1.6; }
.jf-help-content li { margin-bottom: 4px; }
.jf-help-content p { line-height: 1.6; }
.jf-help-content a { color: var(--jf-accent); }
.jf-help-content code,
.jf-hint code {
  background: #0b0d16;
  border: 1px solid var(--jf-border);
  border-radius: 4px;
  padding: 1px 4px;
  font-family: var(--jf-mono);
  font-size: 11px;
}
.jf-hint { font-size: 12px; color: var(--jf-muted); }
.jf-standard { margin: 8px 0; color: var(--jf-muted); }
.jf-standard strong { color: var(--jf-text); }

.jf-table-scroll { overflow-x: auto; }
table.jf-matrix {
  border-collapse: collapse;
  font-size: 12px;
  margin: 8px 0;
  background: transparent;
  min-width: 640px;
}
table.jf-matrix th,
table.jf-matrix td {
  border: 1px solid var(--jf-border);
  padding: 5px 9px;
  text-align: center;
  background-color: transparent;
  color: var(--jf-text);
  cursor: default;
}
table.jf-matrix th[scope="row"] { text-align: left; color: var(--jf-muted); font-weight: 600; white-space: nowrap; }
table.jf-matrix th[scope="col"] { color: var(--jf-text); font-weight: 700; white-space: nowrap; }
.sev-ok { color: var(--jf-success); font-weight: 700; }
.sev-warning { color: var(--jf-warning); font-weight: 700; }
.sev-info { color: var(--jf-info); font-weight: 700; }
.sev-error { color: var(--jf-danger); font-weight: 700; }

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .jf-panes { grid-template-columns: 1fr; }
  .jf-editor { height: clamp(200px, 34vh, 420px); }
  .jf-field-wide select { min-width: 180px; }
  .jf-toolbar { gap: 10px; }
}

@media (max-width: 560px) {
  .jf-header h1 { font-size: 16px; width: 100%; }
  .jf-pane-actions { margin-left: 0; width: 100%; }
  .jf-status-out { margin-left: 0; width: 100%; }
  .jf-issue-detail { padding-left: 12px; }
}