:root {
  --bg: #f8fafc;
  --bg-panel: #ffffff;
  --bg-editor: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-muted: #64748b;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --success-bg: #ecfdf5;
  --success-text: #047857;
  --success-border: #a7f3d0;
  --error-bg: #fef2f2;
  --error-text: #b91c1c;
  --error-border: #fecaca;
  --warn-bg: #fffbeb;
  --warn-text: #b45309;
  --warn-border: #fde68a;
  --code-key: #7c3aed;
  --code-string: #16a34a;
  --code-number: #2563eb;
  --code-bool: #d97706;
  --code-null: #64748b;
  --ad-bg: #eef2f7;
  --radius: 10px;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

[data-theme="dark"] {
  --bg: #0b1220;
  --bg-panel: #111a2b;
  --bg-editor: #0e1626;
  --border: #223049;
  --text: #e5e9f0;
  --text-muted: #8ea0bd;
  --primary: #3b82f6;
  --primary-hover: #60a5fa;
  --success-bg: #052e1f;
  --success-text: #34d399;
  --success-border: #0f4a34;
  --error-bg: #2c1010;
  --error-text: #f87171;
  --error-border: #5a1f1f;
  --warn-bg: #2c2410;
  --warn-text: #fbbf24;
  --warn-border: #4a3d0f;
  --code-key: #a78bfa;
  --code-string: #4ade80;
  --code-number: #60a5fa;
  --code-bool: #fbbf24;
  --code-null: #8ea0bd;
  --ad-bg: #0f1a2e;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Apple SD Gothic Neo", "Noto Sans KR", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
  position: sticky;
  top: 0;
  z-index: 20;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
}
.logo-mark {
  font-family: var(--font-mono);
  color: var(--primary);
  font-weight: 800;
}
.main-nav { display: flex; gap: 18px; margin-left: auto; }
.main-nav a { color: var(--text-muted); font-size: 0.92rem; }
.theme-toggle {
  border: 1px solid var(--border);
  background: var(--bg);
  border-radius: 8px;
  width: 36px; height: 36px;
  cursor: pointer;
  font-size: 1rem;
}

/* Hero */
.hero {
  max-width: 800px;
  margin: 28px auto 8px;
  padding: 0 20px;
  text-align: center;
}
.hero h1 { font-size: 1.9rem; margin: 0 0 8px; }
.hero p { color: var(--text-muted); margin: 0; }
.hero p strong { color: var(--primary); font-weight: 700; }

/* Tool layout */
.tool-layout {
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.tool-main { flex: 1; min-width: 0; }

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
}
.toolbar-sep { width: 1px; height: 24px; background: var(--border); margin: 0 4px; }

.btn {
  border: 1px solid var(--border);
  background: var(--bg-panel);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.88rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn:hover { border-color: var(--primary); }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { background: transparent; }
.btn-file { position: relative; }
.select {
  border: 1px solid var(--border);
  background: var(--bg-panel);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.85rem;
}

.panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 800px) {
  .panels { grid-template-columns: 1fr; }
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.panel-result { margin-top: 14px; }
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
}
.panel-meta { font-family: var(--font-mono); font-size: 0.78rem; }

.view-tabs { display: flex; gap: 4px; }
.view-tab {
  border: none;
  background: transparent;
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.82rem;
}
.view-tab.is-active { background: var(--primary); color: #fff; }

.panel-actions { display: flex; gap: 4px; }
.icon-btn {
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 0.95rem;
  padding: 4px 6px;
  border-radius: 6px;
  color: var(--text-muted);
}
.icon-btn:hover { background: var(--bg); color: var(--text); }
.icon-btn.is-active { background: var(--primary); color: #fff; }

.editor {
  flex: 1;
  min-height: 420px;
  max-height: 620px;
  overflow: auto;
  background: var(--bg-editor);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  padding: 14px;
  border: none;
  resize: none;
  outline: none;
}
/* fill-screen mode for an output panel: a plain CSS fixed overlay rather
   than the real Fullscreen API, since that API is silently blocked in a
   lot of embedded/iframe browser contexts (VS Code's preview, etc.) and
   fails without any visible error. Toggled by adding .is-maximized. */
.panel-output.is-maximized,
.panel-result.is-maximized {
  position: fixed;
  inset: 12px;
  z-index: 200;
  width: auto;
  height: auto;
}
.panel-output.is-maximized .editor,
.panel-result.is-maximized .editor {
  max-height: none;
  height: 100%;
}
body.has-maximized-panel { overflow: hidden; }
.editor-sm { min-height: 260px; max-height: 420px; }
.editor-xs { min-height: 90px; max-height: 200px; }
.output-tree { white-space: normal; }
.output-text { margin: 0; white-space: pre; }
.is-hidden { display: none !important; }

/* HTML preview tool: live-rendered iframe pane, switchable to tablet/mobile widths */
.preview-viewport {
  padding: 0;
  display: flex;
  justify-content: center;
  background: var(--bg-editor);
}
.preview-frame {
  width: 100%;
  height: 100%;
  min-height: 420px;
  border: none;
  background: #fff;
  display: block;
  transition: max-width 0.15s ease;
}
.preview-frame.is-tablet { max-width: 768px; }
.preview-frame.is-mobile { max-width: 375px; }

.verify-box { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--border); }
.verify-label { display: block; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 6px; }

.ts-options {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
}
.split-diff {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  overflow: auto;
}
.split-row { display: grid; grid-template-columns: 1fr 1fr; }
.split-cell {
  display: flex;
  gap: 10px;
  padding: 1px 10px;
  white-space: pre-wrap;
  word-break: break-word;
  border-left: 3px solid transparent;
}
.split-cell--left { border-right: 1px solid var(--border); }
.split-lineno {
  flex: 0 0 auto;
  min-width: 2.2em;
  text-align: right;
  color: var(--text-muted);
  opacity: 0.6;
  user-select: none;
}
.split-text { flex: 1 1 auto; }
.split-cell--remove { background: var(--error-bg); border-left-color: var(--error-text); }
.split-cell--add { background: var(--success-bg); border-left-color: var(--success-text); }
.split-cell--empty { background: var(--ad-bg); }
.diff-word { border-radius: 3px; padding: 0 1px; }
.diff-word--remove { background: var(--error-border); text-decoration: line-through; }
.diff-word--add { background: var(--success-border); }

.ts-name-input {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-editor);
  color: var(--text);
  width: 160px;
}

.text-input {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-panel);
  color: var(--text);
}
.text-input-wide { width: 100%; }
.panel-body { padding: 12px; display: flex; flex-direction: column; gap: 10px; }

.status-banner {
  padding: 10px 14px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
}
.status-banner.success { background: var(--success-bg); color: var(--success-text); border-color: var(--success-border); }
.status-banner.error { background: var(--error-bg); color: var(--error-text); border-color: var(--error-border); }
.status-banner.info { background: var(--ad-bg); color: var(--text-muted); }
.status-banner.warn { background: var(--warn-bg); color: var(--warn-text); border-color: var(--warn-border); }

/* mode toggle (encode/decode style tabs) */
.toggle-group { display: inline-flex; gap: 4px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 3px; }
.toggle-group .btn { border: none; padding: 6px 12px; background: transparent; }
.toggle-group .btn.is-active { background: var(--primary); color: #fff; }
.toggle-group label.btn:has(input:checked) { background: var(--primary); color: #fff; }
.checkbox-label { display: inline-flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--text-muted); cursor: pointer; }

/* key/value rows (JWT claims, etc.) */
.kv-list { display: flex; flex-direction: column; gap: 6px; padding: 10px 14px; }
.kv-row { display: flex; justify-content: space-between; gap: 12px; font-size: 0.85rem; flex-wrap: wrap; }
.kv-row .kv-key { color: var(--text-muted); }
.kv-row .kv-val { font-family: var(--font-mono); text-align: right; word-break: break-all; }
.kv-row.kv-ok .kv-val { color: var(--success-text); font-weight: 600; }
.kv-row.kv-bad .kv-val { color: var(--error-text); font-weight: 600; }
.kv-row.kv-warn .kv-val { color: var(--warn-text); font-weight: 600; }
.hash-val-group { display: flex; align-items: center; gap: 6px; }

.mono-block { font-family: var(--font-mono); font-size: 0.82rem; padding: 14px; overflow: auto; white-space: pre-wrap; word-break: break-all; margin: 0; }

/* regex tester */
.pattern-bar { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.pattern-slash { font-family: var(--font-mono); font-size: 1rem; color: var(--text-muted); }
.pattern-input { font-family: var(--font-mono); font-size: 0.9rem; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-panel); color: var(--text); flex: 1; min-width: 200px; }
.flag-chks { display: flex; gap: 10px; flex-wrap: wrap; }
.flag-chk-label { display: inline-flex; align-items: center; gap: 4px; font-family: var(--font-mono); font-size: 0.85rem; cursor: pointer; }
.output-highlight { font-family: var(--font-mono); font-size: 0.85rem; white-space: pre-wrap; word-break: break-all; }
.regex-match { border-radius: 3px; padding: 0 1px; }
.regex-match-a { background: var(--warn-border); }
.regex-match-b { background: var(--success-border); }
.match-card { padding: 10px 14px; border-bottom: 1px solid var(--border); }
.match-card:last-child { border-bottom: none; }
.match-index { font-weight: 700; color: var(--primary); font-family: var(--font-mono); }
.match-pos { color: var(--text-muted); font-size: 0.78rem; margin-left: 6px; }
.match-full { font-family: var(--font-mono); font-size: 0.85rem; background: var(--bg); padding: 4px 8px; border-radius: 6px; word-break: break-all; flex: 1; }

/* image thumbnails (ico tool, etc.) */
.size-options { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.thumb-grid { display: flex; flex-wrap: wrap; gap: 14px; padding: 14px; }
.thumb-item { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.thumb-box {
  width: 72px; height: 72px;
  display: flex; align-items: center; justify-content: center;
  background-image:
    linear-gradient(45deg, #80808033 25%, transparent 25%),
    linear-gradient(-45deg, #80808033 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #80808033 75%),
    linear-gradient(-45deg, transparent 75%, #80808033 75%);
  background-size: 12px 12px;
  background-position: 0 0, 0 6px, 6px -6px, -6px 0px;
  border: 2px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  overflow: hidden;
}
.thumb-box.is-selected { border-color: var(--primary); }
.thumb-box img { max-width: 100%; max-height: 100%; image-rendering: pixelated; }
.thumb-label { font-size: 0.72rem; color: var(--text-muted); }
.thumb-error { font-size: 0.62rem; color: var(--error-text); text-align: center; padding: 4px; }

/* image resizer (resize tool) */
.preset-btn.is-active,
.lock-btn.is-active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* JSON tree view */
.tree { list-style: none; margin: 0; padding-left: 18px; }
.tree.root { padding-left: 0; }
.tree li { position: relative; }
.node-line { display: flex; align-items: baseline; gap: 4px; flex-wrap: wrap; padding: 1px 4px; border-radius: 4px; }
.toggle {
  cursor: pointer;
  width: 14px;
  display: inline-block;
  color: var(--text-muted);
  user-select: none;
  font-size: 0.75rem;
}
.toggle.leaf { visibility: hidden; }
.tree-key { color: var(--code-key); font-weight: 600; }
.tree-punct { color: var(--text-muted); }
.tree-string { color: var(--code-string); }
.tree-number { color: var(--code-number); }
.tree-boolean { color: var(--code-bool); }
.tree-null { color: var(--code-null); }
.tree-count { color: var(--text-muted); font-size: 0.78rem; margin-left: 2px; }
li.collapsed > .tree { display: none; }
li.collapsed > .close-line { display: none; }
li.collapsed > .node-line .toggle { transform: rotate(-90deg); }
.ellipsis { color: var(--text-muted); display: none; }
li.collapsed > .node-line .ellipsis { display: inline; }
.node-copy-btn {
  opacity: 0;
  margin-left: auto;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 0.72rem;
  line-height: 1;
  padding: 1px 4px;
  border-radius: 4px;
  color: var(--text-muted);
}
.node-line:hover .node-copy-btn,
.node-copy-btn:focus-visible {
  opacity: 1;
}
.node-copy-btn:hover {
  background: var(--bg);
  color: var(--primary);
}
.node-line.node-copied {
  background: var(--success-bg);
  transition: background 0.15s ease;
}

/* JSON table view (array of objects as a spreadsheet) */
.output-table { white-space: normal; }
.json-table { border-collapse: collapse; width: max-content; min-width: 100%; font-size: 0.86rem; }
.json-table th, .json-table td { border: 1px solid var(--border); padding: 4px 10px; text-align: left; white-space: nowrap; }
.json-table th { background: var(--ad-bg); color: var(--text-muted); font-weight: 600; position: sticky; top: 0; }
.json-table tbody tr:nth-child(even) { background: var(--bg); }
.json-table .cell-string { color: var(--code-string); }
.json-table .cell-number { color: var(--code-number); }
.json-table .cell-boolean { color: var(--code-bool); }
.json-table .cell-null { color: var(--code-null); }
.json-table .cell-object { color: var(--text-muted); font-style: italic; cursor: help; }
.json-table .cell-empty::after { content: "\2014"; color: var(--text-muted); opacity: 0.5; }

/* XML tree view (reuses the JSON tree layout above) */
.tree-tag { color: var(--code-key); font-weight: 600; }
.tree-attr-name { color: var(--code-number); }
.tree-attr-value { color: var(--code-string); }
.tree-text-node { color: var(--text); }
.tree-comment { color: var(--code-null); font-style: italic; }
.tree-cdata, .tree-pi { color: var(--code-bool); }

/* JSON diff tree */
.node-line.diff-add { background: var(--success-bg); }
.node-line.diff-remove { background: var(--error-bg); }
.node-line.diff-remove .tree-key,
.node-line.diff-remove .tree-string,
.node-line.diff-remove .tree-number,
.node-line.diff-remove .tree-boolean,
.node-line.diff-remove .tree-null { text-decoration: line-through; opacity: 0.85; }
.node-line.diff-change { background: var(--warn-bg); }
.diff-badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0 5px;
  border-radius: 4px;
  margin-right: 2px;
}
.diff-badge--add { background: var(--success-text); color: #fff; }
.diff-badge--remove { background: var(--error-text); color: #fff; }
.diff-badge--change { background: var(--warn-text); color: #fff; }
.diff-arrow { color: var(--text-muted); margin: 0 4px; }
.diff-old { text-decoration: line-through; opacity: 0.75; }

.diff-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.diff-pill {
  padding: 2px 10px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.8rem;
}
.diff-pill--add { background: var(--success-bg); color: var(--success-text); }
.diff-pill--remove { background: var(--error-bg); color: var(--error-text); }
.diff-pill--change { background: var(--warn-bg); color: var(--warn-text); }

/* unified text diff */
.diffline { display: block; padding: 1px 10px; white-space: pre; }
.diffline-add { background: var(--success-bg); color: var(--success-text); }
.diffline-remove { background: var(--error-bg); color: var(--error-text); }
.diffline-context { color: var(--text); }

/* Coupang Partners ad */
.coupang-ad {
  max-width: 680px;
  margin: 24px auto;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--ad-bg);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.coupang-label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.coupang-disclosure {
  margin: 8px 0 0;
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Content sections */
.content-section {
  max-width: 800px;
  margin: 0 auto 36px;
  padding: 0 20px;
}
.content-section h2 { font-size: 1.3rem; margin-bottom: 12px; }
.content-section h3 { font-size: 1.05rem; margin: 22px 0 8px; }
.content-section ul, .content-section ol { padding-left: 20px; margin: 0 0 12px; }
.content-section li { margin-bottom: 6px; }
.article-meta { color: var(--text-muted); font-size: 0.85rem; margin: -4px 0 0; }
.content-section code {
  font-family: var(--font-mono);
  background: var(--ad-bg);
  padding: 2px 5px;
  border-radius: 4px;
  font-size: 0.85em;
}
.steps { padding-left: 20px; }
.steps li { margin-bottom: 10px; }
.note { color: var(--text-muted); font-size: 0.88rem; }
.faq-item { margin-bottom: 18px; }
.faq-item h3 { font-size: 1rem; margin-bottom: 4px; }
.faq-item p { margin: 0; color: var(--text-muted); }
.related-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.related-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
}
.related-list a.related-link { color: var(--text); font-weight: 600; }
.soon { font-size: 0.75rem; color: var(--text-muted); }

/* Hub page */
.category-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  max-width: 1200px;
  margin: 24px auto 32px;
  padding: 0 20px;
}
.category-pill {
  border: 1px solid var(--border);
  background: var(--bg-panel);
  color: var(--text);
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: border-color .15s ease, color .15s ease;
}
.category-pill:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }

.tool-group { scroll-margin-top: 84px; }
#favorites-empty { max-width: 1160px; margin: 0 auto 24px; padding: 0 20px; }
.tool-group-title {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px 8px;
  font-size: 1.05rem;
  color: var(--text-muted);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 20px;
}
.tool-card {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--text);
  transition: border-color .15s ease, transform .15s ease;
}
.tool-card:hover { border-color: var(--primary); transform: translateY(-2px); text-decoration: none; }
.tool-card .tool-icon { font-size: 1.8rem; font-family: var(--font-mono); color: var(--primary); padding-right: 26px; }
.tool-card h2, .tool-card h3 { margin: 0; font-size: 1.15rem; padding-right: 26px; }
.tool-card p { margin: 0; color: var(--text-muted); font-size: 0.9rem; flex: 1; }
.tool-card .tool-cta { color: var(--primary); font-weight: 600; font-size: 0.85rem; }
.star-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 1.2rem;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  user-select: none;
  z-index: 2;
}
.star-btn:hover { color: var(--primary); background: var(--bg); }
.star-btn.is-fav { color: #f5b301; }
.star-btn.is-fav:hover { color: #d99a00; }
.tool-card.is-soon { opacity: 0.55; cursor: default; }
.tool-card.is-soon:hover { border-color: var(--border); transform: none; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.footer-inner nav a { margin-left: 14px; }
.footer-credits { justify-content: center; padding-top: 10px; margin-top: 10px; border-top: 1px solid var(--border); }
.lib-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  color: var(--text-muted);
  background: var(--ad-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
}
.lib-badge a { color: var(--text-muted); text-decoration: underline; }
.lib-badge a:hover { color: var(--primary); }
.lib-badge-icon { font-size: 0.9rem; }
.lib-badge-sep { opacity: 0.5; }

/* language suggestion banner */
.lang-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 10px 16px;
  background: var(--primary);
  color: #fff;
  font-size: 0.85rem;
  text-align: center;
}
.lang-banner-link { color: #fff; font-weight: 700; text-decoration: underline; }
.lang-banner-link:hover { color: #fff; opacity: 0.9; }
.lang-banner-close {
  border: none;
  background: transparent;
  color: #fff;
  opacity: 0.8;
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
  padding: 2px 6px;
  margin-left: 4px;
}
.lang-banner-close:hover { opacity: 1; }

/* ============================================================
   Layer image editor (imageeditor tool)
   ============================================================ */
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn:disabled:hover { border-color: var(--border); }

.checkerboard {
  background-image:
    linear-gradient(45deg, #80808033 25%, transparent 25%),
    linear-gradient(-45deg, #80808033 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #80808033 75%),
    linear-gradient(-45deg, transparent 75%, #80808033 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
}

.editor-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}
.editor-toolbar .field-label { font-size: 0.8rem; color: var(--text-muted); margin-right: 2px; }
.num-input {
  width: 70px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  color: var(--text);
  padding: 7px 8px;
  border-radius: 8px;
  font-size: 0.85rem;
}
.color-input {
  width: 34px;
  height: 34px;
  padding: 2px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-panel);
  cursor: pointer;
}
.url-field {
  flex: 1;
  min-width: 200px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-family: var(--font-mono);
}
.url-field:focus { outline: none; border-color: var(--primary); }

.cleanup-row { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px; }
.cleanup-row .url-field { flex: 1; min-width: 200px; }

.tool-layout-wide { max-width: 1680px; }

.editor-workspace {
  display: flex;
  gap: 14px;
  align-items: stretch;
}
.coupang-ad-rail {
  flex: none;
  width: 160px;
  align-self: flex-start;
  position: sticky;
  top: 76px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--ad-bg);
}
.coupang-ad-rail .coupang-disclosure { font-size: 0.62rem; text-align: center; margin: 0; }
@media (max-width: 1300px) {
  .coupang-ad-rail { display: none; }
}
.stage-wrap {
  flex: 1;
  min-width: 0;
  height: 74vh;
  min-height: 480px;
  overflow: auto;
  display: flex;
  background: var(--bg-editor);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.stage {
  position: relative;
  flex: none;
  margin: auto;
  background: #fff;
  box-shadow: 0 0 0 1px var(--border), 0 4px 24px rgba(0,0,0,0.12);
}
.stage.is-transparent-bg { background: transparent; }

.layer-el {
  position: absolute;
  top: 0;
  left: 0;
  cursor: move;
  touch-action: none;
  user-select: none;
  outline: 1px dashed transparent;
}
.layer-el:hover { outline-color: var(--border); }
.layer-el.is-selected { outline: 2px solid var(--primary); }
.layer-el.is-hidden-layer { display: none; }
.layer-el img {
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  -webkit-user-drag: none;
}
.layer-el .layer-text-el {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2px;
  white-space: pre-wrap;
  word-break: break-word;
  overflow: hidden;
  outline: none;
  line-height: 1.2;
}

.selection-handle {
  position: absolute;
  width: 11px;
  height: 11px;
  margin: -6px 0 0 -6px;
  background: #fff;
  border: 2px solid var(--primary);
  border-radius: 2px;
  touch-action: none;
}
.selection-handle.h-rotate {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  margin: -7px 0 0 -7px;
  cursor: grab;
}
.rotate-link {
  position: absolute;
  width: 1px;
  background: var(--primary);
  transform-origin: top center;
}

.editor-sidebar {
  width: 300px;
  flex: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
}
.editor-sidebar .panel { min-height: 0; }
.editor-sidebar .panel:first-child { flex: 0 1 auto; max-height: 260px; }
.editor-sidebar .panel:last-child { flex: 1 1 0; }
@media (max-width: 900px) {
  .editor-workspace { flex-direction: column; }
  .editor-sidebar { width: 100%; }
  .stage-wrap { height: auto; }
  .editor-sidebar .panel:first-child,
  .editor-sidebar .panel:last-child { flex: none; max-height: none; }
}

.layer-list { display: flex; flex-direction: column; gap: 6px; padding: 10px; flex: 1; min-height: 60px; overflow: auto; }
.layer-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.82rem;
}
.layer-item.is-selected { border-color: var(--primary); background: var(--ad-bg); }
.layer-item .layer-thumb {
  width: 30px; height: 30px;
  border-radius: 4px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  flex: none;
  font-size: 0.7rem;
  color: var(--text-muted);
}
.layer-item .layer-thumb img { width: 100%; height: 100%; object-fit: cover; }
.layer-item .layer-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.layer-item .layer-actions { display: flex; gap: 2px; }
.layer-empty { padding: 16px; color: var(--text-muted); font-size: 0.85rem; text-align: center; }

#prop-panel { padding: 12px; display: flex; flex-direction: column; gap: 10px; flex: 1; min-height: 0; overflow: auto; }
.prop-panel { padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.prop-panel.is-empty { color: var(--text-muted); font-size: 0.85rem; text-align: center; padding: 24px 12px; }
.prop-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.prop-row label { font-size: 0.8rem; color: var(--text-muted); width: 56px; flex: none; }
.prop-row input[type="range"] { flex: 1; min-width: 60px; }
.prop-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.prop-grid .prop-row label { width: 20px; }
.prop-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.prop-textarea {
  width: 100%;
  min-height: 60px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  color: var(--text);
  padding: 8px;
  border-radius: 8px;
  font-size: 0.85rem;
  resize: vertical;
  font-family: inherit;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal-panel {
  background: var(--bg-panel);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 720px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}
.modal-body { padding: 16px; overflow: auto; display: flex; flex-direction: column; gap: 12px; align-items: center; }
.modal-foot { padding: 12px 16px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }
.modal-stage-wrap {
  position: relative;
  display: inline-block;
  max-width: 100%;
  line-height: 0;
}
.modal-stage-wrap img { max-width: 100%; max-height: 52vh; display: block; }
.crop-rect {
  position: absolute;
  border: 2px solid var(--primary);
  box-shadow: 0 0 0 2000px rgba(15, 23, 42, 0.55);
  touch-action: none;
}
.bg-remove-eyedropper { cursor: crosshair; }
.bg-remove-target {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.bg-remove-swatch {
  width: 20px; height: 20px;
  border-radius: 4px;
  border: 1px solid var(--border);
  flex: none;
}

/* ============================================================
   Text splitter (textsplitter tool)
   ============================================================ */
.chunk-list {
  flex: 1;
  overflow: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--bg-editor);
}
.chunk-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-panel);
  overflow: hidden;
  flex: none;
}
.chunk-item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.chunk-item-text {
  padding: 10px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 160px;
  overflow: auto;
}
.chunk-empty {
  margin: 0;
  padding: 32px 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}