:root {
  --bg0:      #0d1117;
  --bg1:      #161b22;
  --bg2:      #1c2333;
  --bg3:      #21262d;
  --bg-hover: #2d333b;
  --accent:   #39d353;
  --accent2:  #58a6ff;
  --accent3:  #f0883e;
  --cyan:     #79c0ff;
  --yellow:   #e3b341;
  --red:      #ff7b72;
  --purple:   #d2a8ff;
  --text0:    #e6edf3;
  --text1:    #8b949e;
  --text2:    #484f58;
  --border:   #30363d;
  --tree-w:   260px;
  --bar-h:    38px;
  --tab-h:    34px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg0);
  color: var(--text0);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.6;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* 한국어 모드에서 data-ko/en 요소에 Noto Sans KR 적용 */
html[data-lang="ko"] [data-ko][data-en] {
  font-family: 'Noto Sans KR', 'JetBrains Mono', monospace;
}
.kr {
  font-family: 'Noto Sans KR', 'JetBrains Mono', monospace;
  font-size: 13px;
}
html[data-lang="en"] .kr {
  font-family: 'JetBrains Mono', monospace;
}

/* ─── TITLEBAR ─── */
.titlebar {
  height: var(--bar-h);
  background: #1a1f2a;
  border-bottom: 1px solid #0d1117;
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 16px;
  flex-shrink: 0;
  user-select: none;
}
.wm-dots { display: flex; gap: 6px; }
.wm-dot { width: 12px; height: 12px; border-radius: 50%; cursor: pointer; transition: opacity .15s; }
.wm-dot:hover { opacity: .8; }
.dot-r { background: #ff5f57; }
.dot-y { background: #ffbd2e; }
.dot-g { background: #28c840; }

.titlebar-path {
  flex: 1;
  text-align: center;
  font-size: 12px;
  color: var(--text1);
  letter-spacing: .03em;
}
.titlebar-path .host { color: var(--accent); }
.titlebar-path .at   { color: var(--text2); }
.titlebar-path .path { color: var(--cyan); }

/* ─── LANG SWITCH ─── */
.lang-switch {
  display: flex;
  align-items: center;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: .02em;
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg0);
}
.lang-prefix { color: var(--text2); margin-right: 2px; }
.lang-eq     { color: var(--text2); }
.lang-opt {
  background: transparent;
  border: none;
  color: var(--text2);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  cursor: pointer;
  padding: 0 4px;
  transition: color .15s;
}
.lang-opt:hover { color: var(--text0); }
.lang-opt.active { color: var(--accent); text-shadow: 0 0 6px rgba(57,211,83,.4); }
.lang-sep { color: var(--text2); font-size: 10px; }

@keyframes flash {
  0%   { color: var(--text0); }
  40%  { color: #ffffff; }
  100% { color: var(--accent); }
}
.lang-opt.just-switched { animation: flash .4s ease; }

/* ─── TABBAR ─── */
.tabbar {
  height: var(--tab-h);
  background: var(--bg1);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-end;
  padding: 0 8px;
  gap: 2px;
  flex-shrink: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabbar::-webkit-scrollbar { display: none; }

.tab {
  height: 28px;
  padding: 0 14px;
  border-radius: 6px 6px 0 0;
  border: 1px solid var(--border);
  border-bottom: none;
  background: var(--bg2);
  color: var(--text1);
  font-size: 11px;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, color .15s;
}
.tab.active { background: var(--bg0); color: var(--text0); }
.tab-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--text2); flex-shrink: 0; }
.tab.active .tab-dot { background: var(--accent); }
.tab-prompt { color: var(--accent); font-size: 10px; }
.tab-label  { max-width: 120px; overflow: hidden; text-overflow: ellipsis; }
.tab-close  {
  color: var(--text2);
  font-size: 13px;
  line-height: 1;
  padding-left: 2px;
  cursor: pointer;
  opacity: 0;
  transition: opacity .15s, color .15s;
  flex-shrink: 0;
}
.tab:hover .tab-close,
.tab.active .tab-close { opacity: 1; }
.tab-close:hover { color: var(--red) !important; }

/* ─── BODY ─── */
.body { display: flex; flex: 1; overflow: hidden; }

/* ─── SIDEBAR ─── */
.sidebar {
  width: var(--tree-w);
  background: var(--bg1);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}
.sidebar-prompt {
  padding: 10px 12px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
}
.p-user { color: var(--accent); }
.p-at   { color: var(--text2); }
.p-host { color: var(--purple); }
.p-sep  { color: var(--text2); }
.p-path { color: var(--cyan); }
.p-sym  { color: var(--text0); }
.p-cmd  { color: var(--text0); }
.p-cur  {
  display: inline-block; width: 7px; height: 14px;
  background: var(--text0); vertical-align: -2px;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.tree-scroll { flex: 1; overflow-y: auto; padding: 6px 0 12px; }
.tree-scroll::-webkit-scrollbar { width: 3px; }
.tree-scroll::-webkit-scrollbar-thumb { background: var(--border); }

.tree-node { user-select: none; }
.tree-row {
  display: flex;
  align-items: center;
  padding: 3px 0;
  cursor: pointer;
  color: var(--text1);
  transition: color .1s;
}
.tree-row:hover { color: var(--text0); }
.tree-row.active { color: var(--accent); }
.tree-indent { display: inline-block; width: 12px; flex-shrink: 0; }
.tree-arrow {
  display: inline-block; width: 16px; flex-shrink: 0;
  color: var(--text2); font-size: 10px;
  transition: transform .15s; text-align: center;
}
.tree-arrow.open   { transform: rotate(0deg); }
.tree-arrow.closed { transform: rotate(-90deg); }
.tree-arrow.leaf   { color: transparent; }
.tree-icon { width: 18px; flex-shrink: 0; color: var(--text2); font-size: 12px; }
.tree-icon.dir     { color: var(--yellow); }
.tree-icon.file    { color: var(--cyan); }
.tree-icon.active-ic { color: var(--accent); }
.tree-label { font-size: 12px; flex: 1; }
.tree-children      { display: none; }
.tree-children.open { display: block; }

/* ─── MAIN PANE ─── */
.main-pane {
  flex: 1; display: flex; flex-direction: column;
  overflow: hidden; background: var(--bg0);
}
.pane-prompt {
  padding: 8px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  background: var(--bg1);
  flex-shrink: 0;
  display: flex; align-items: center; gap: 6px;
}
.content-scroll { flex: 1; overflow-y: auto; padding: 0; }
.content-scroll::-webkit-scrollbar { width: 4px; }
.content-scroll::-webkit-scrollbar-thumb { background: var(--border); }

/* ─── SECTIONS ─── */
.section { display: none; }
.section.active { display: block; animation: fadeSlide .2s ease; }
@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── TERMINAL BLOCK (섹션 안 컨텐츠) ─── */
.term-block { padding: 20px 20px 8px; }
.term-cmd-line {
  display: flex; align-items: baseline; gap: 6px;
  margin-bottom: 6px; flex-wrap: wrap;
}
.tc-user { color: var(--accent); }
.tc-at   { color: var(--text2); }
.tc-host { color: var(--purple); }
.tc-sep  { color: var(--text2); }
.tc-path { color: var(--cyan); }
.tc-sym  { color: var(--text0); }
.tc-cmd  { color: var(--text0); font-weight: 500; }
.tc-flag { color: var(--yellow); }
.tc-arg  { color: var(--accent3); }
.tc-str  { color: var(--red); }
.term-output {
  padding: 0 0 14px;
  color: var(--text1);
  font-size: 13px; line-height: 1.75;
}

/* ─── README BLOCK ─── */
.readme-block {
  margin: 0 0 4px;
  background: var(--bg1);
  border: 1px solid var(--border);
}
.readme-header {
  padding: 6px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 11px; color: var(--text2);
  display: flex; align-items: center; gap: 8px;
}
.readme-header .fname { color: var(--yellow); }
.readme-body { padding: 16px 18px; }

.md-h1 {
  font-size: 18px; font-weight: 600; color: var(--text0);
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px; margin-bottom: 14px;
}
.md-h2 {
  font-size: 14px; font-weight: 500; color: var(--cyan);
  margin: 18px 0 8px;
}
.md-h2::before { content: '## '; color: var(--text2); }

.md-table {
  border-collapse: collapse; width: 100%;
  margin-bottom: 14px; font-size: 12px;
}
.md-table td {
  padding: 5px 12px; border: 1px solid var(--border); vertical-align: top;
}
.md-table td:first-child { color: var(--text2); width: 110px; }
.md-table td:last-child  { color: var(--text0); }

.md-quote {
  border-left: 3px solid var(--accent);
  padding: 8px 14px; color: var(--yellow);
  background: #1c2d1e; border-radius: 0 4px 4px 0;
  margin: 10px 0; font-style: italic;
}
.md-quote::before { content: '> '; color: var(--text2); font-style: normal; }

.md-ul { padding-left: 0; list-style: none; }
.md-ul li { padding: 3px 0; color: var(--text1); }
.md-ul li::before { content: '• '; color: var(--accent); }

/* badges */
.badge-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.sbadge {
  padding: 4px 12px; border-radius: 3px;
  font-size: 11px; border: 1px solid;
  white-space: nowrap; display: inline-block;
}
.sbadge-g { background: #0d2214; color: var(--accent);  border-color: #1a4228; }
.sbadge-b { background: #0d1e38; color: var(--cyan);    border-color: #1a3558; }
.sbadge-y { background: #2d1e00; color: var(--yellow);  border-color: #4a3400; }
.sbadge-r { background: #2d0d0d; color: var(--red);     border-color: #4a1a1a; }
.sbadge-p { background: #1e0d38; color: var(--purple);  border-color: #3a1a58; }

/* ─── CODE BLOCK ─── */
.code-block {
  background: var(--bg1); border: 1px solid var(--border);
  border-radius: 4px; margin: 8px 0 14px; overflow: hidden; font-size: 12px;
}
.code-header {
  padding: 5px 12px; border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11px; color: var(--text2); background: var(--bg2);
}
.code-lang { color: var(--yellow); }
.code-copy { cursor: pointer; color: var(--text2); font-size: 10px; transition: color .15s; }
.code-copy:hover { color: var(--text0); }
.code-body {
  padding: 12px 14px; overflow-x: auto; line-height: 1.7;
  white-space: pre-wrap;
  font-family: 'JetBrains Mono', monospace !important; /* code-body 안 data-ko/en 스팬에 KR폰트 적용 방지 */
}
.c-kw     { color: var(--red); }
.c-fn     { color: var(--purple); }
.c-str    { color: var(--accent3); }
.c-cmt    { color: var(--text2); font-style: italic; }
.c-num    { color: var(--cyan); }
.c-var    { color: var(--text0); }
.c-out    { color: var(--text1); }
.c-ok     { color: var(--accent); }
.c-err    { color: var(--red); }
.c-warn   { color: var(--yellow); }
.c-info   { color: var(--cyan); }
.c-prompt { color: var(--accent); }
.c-path   { color: var(--cyan); }

/* ─── NOTICE BOXES ─── */
.notice {
  margin: 10px 0; padding: 10px 14px;
  border-left: 3px solid; border-radius: 0 4px 4px 0; font-size: 12px;
}
.notice-ok   { border-color: var(--accent); background: #0d2214; color: var(--accent); }
.notice-warn { border-color: var(--yellow); background: #2d1e00; color: var(--yellow); }
.notice-err  { border-color: var(--red);    background: #2d0d0d; color: var(--red); }
.notice-info { border-color: var(--cyan);   background: #0d1e38; color: var(--cyan); }
.notice::before { font-weight: 600; margin-right: 8px; }
.notice-ok::before   { content: '[OK]'; }
.notice-warn::before { content: '[WARN]'; }
.notice-err::before  { content: '[ERROR]'; }
.notice-info::before { content: '[INFO]'; }

/* ─── STATUS TABLE ─── */
.status-table {
  width: 100%; border-collapse: collapse;
  font-size: 12px; margin: 6px 0 14px;
}
.status-table th {
  text-align: left; padding: 6px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text2); font-weight: 400; font-size: 11px;
}
.status-table td {
  padding: 6px 12px; border-bottom: 1px solid #1a1f26; color: var(--text1);
}
.status-table tr:hover td { background: var(--bg2); }
.st-ok   { color: var(--accent); }
.st-down { color: var(--red); }
.st-warn { color: var(--yellow); }

/* ─── PROGRESS BAR ─── */
.prog-row { display: flex; align-items: center; gap: 12px; padding: 4px 0; }
.prog-lbl { width: 80px; font-size: 11px; color: var(--text2); }
.prog-bar { flex: 1; height: 3px; background: var(--bg3); border-radius: 2px; overflow: hidden; }
.prog-fill { height: 100%; border-radius: 2px; transition: width 1.2s ease; }
.prog-val { width: 36px; font-size: 11px; color: var(--text2); text-align: right; }

/* ─── TERMINAL TOGGLE BUTTON ─── */
.term-toggle {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  padding: 3px 10px;
  border: 1px solid var(--border); border-radius: 4px;
  background: var(--bg0); color: var(--text1);
  cursor: pointer; transition: all .15s;
}
.term-toggle:hover { color: var(--text0); border-color: var(--accent); }
.term-toggle.active {
  color: var(--accent); border-color: var(--accent);
  box-shadow: 0 0 6px rgba(57,211,83,.2) inset;
}
.term-toggle .term-icon { color: var(--accent); font-weight: 600; }
.term-toggle .term-kbd {
  padding: 1px 5px; background: var(--bg2); border-radius: 2px;
  color: var(--text2); font-size: 9px; margin-left: 2px;
}

/* ─── TERMINAL PANEL ─── */
.terminal-panel {
  position: fixed; left: 0; right: 0; bottom: 0; height: 320px;
  background: #08090d; border-top: 1px solid var(--accent);
  display: flex; flex-direction: column;
  transform: translateY(100%);
  transition: transform .25s cubic-bezier(.4,0,.2,1);
  z-index: 50;
  box-shadow: 0 -8px 30px rgba(0,0,0,.5);
}
.terminal-panel.open { transform: translateY(0); }

.term-panel-header {
  display: flex; align-items: center;
  padding: 7px 14px;
  background: var(--bg1); border-bottom: 1px solid var(--border);
  font-size: 11px; color: var(--text1);
  flex-shrink: 0; user-select: none;
}
.term-panel-header .dots { display: flex; gap: 5px; margin-right: 12px; }
.term-panel-header .dots .d { width: 9px; height: 9px; border-radius: 50%; }
.term-panel-header .ptitle .ac { color: var(--accent); font-weight: 600; }
.term-panel-header .close {
  margin-left: auto; cursor: pointer; color: var(--text2);
  padding: 2px 8px; border-radius: 3px; transition: all .15s; font-size: 10px;
}
.term-panel-header .close:hover { color: var(--text0); background: var(--bg2); }

.term-output-area {
  flex: 1; overflow-y: auto; padding: 12px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px; line-height: 1.7; color: var(--text1);
}
.term-output-area::-webkit-scrollbar { width: 4px; }
.term-output-area::-webkit-scrollbar-thumb { background: var(--border); }

.term-line-out { padding: 0; white-space: pre-wrap; word-break: break-word; }
.term-line-out.welcome { color: var(--text2); }
.term-line-out.welcome .ac { color: var(--accent); }
.term-line-out.welcome .cy { color: var(--cyan); }
.term-line-out.err  { color: var(--red); }
.term-line-out.ok   { color: var(--accent); }
.term-line-out.warn { color: var(--yellow); }
.term-line-out.dim  { color: var(--text2); }
.term-line-out .pcwd  { color: var(--cyan); }
.term-line-out .puser { color: var(--accent); }
.term-line-out .pat   { color: var(--text2); }
.term-line-out .phost { color: var(--purple); }
.term-line-out .pcmd  { color: var(--text0); }
.term-line-out .ls-dir  { color: var(--yellow); }
.term-line-out .ls-file { color: var(--cyan); }
.term-line-out .ls-exec { color: var(--accent); }
.term-line-out.kr-out { font-family: 'Noto Sans KR', 'JetBrains Mono', monospace; }

.term-input-line {
  display: flex; align-items: center;
  padding: 9px 14px;
  border-top: 1px solid var(--border); background: #0a0d12;
  flex-shrink: 0; gap: 6px;
}
.term-prompt {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px; white-space: nowrap; color: var(--text1);
}
.term-prompt .u { color: var(--accent); }
.term-prompt .a { color: var(--text2); }
.term-prompt .h { color: var(--purple); }
.term-prompt .p { color: var(--cyan); }
.term-prompt .s { color: var(--text0); }
.term-input {
  flex: 1; background: transparent; border: none; outline: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px; color: var(--text0); padding: 0;
  caret-color: var(--accent);
}
.term-input::placeholder { color: var(--text2); }

/* 터미널 열렸을 때 콘텐츠 영역 패딩 */
body.term-open .content-scroll { padding-bottom: 340px; }

/* ─── TOOLTIP ─── */
.tip {
  position: relative;
  color: var(--cyan);
  border-bottom: 1px dashed var(--text2);
  cursor: help;
}
.tip::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 7px);
  left: 0;
  transform: none;
  background: var(--bg3);
  border: 1px solid var(--accent);
  color: var(--text0);
  font-size: 11px;
  font-family: 'Noto Sans KR', 'JetBrains Mono', monospace;
  padding: 6px 10px;
  border-radius: 4px;
  width: max-content;
  max-width: 240px;
  white-space: normal;
  line-height: 1.6;
  pointer-events: none;
  opacity: 0;
  transition: opacity .2s;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0,0,0,.5);
}
.tip::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 1px);
  left: 10px;
  transform: none;
  border: 5px solid transparent;
  border-top-color: var(--accent);
  pointer-events: none;
  opacity: 0;
  transition: opacity .2s;
  z-index: 101;
}
.tip:hover::after,
.tip:hover::before { opacity: 1; }

/* 전역 스크롤바 */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }