:root {
  --bg-deep: #1e1e1e;
  --bg-terminal: #2a2a2a;
  --fg: #e6e6e6;
  --muted: #a7a7a7;
  --accent: #28a745;
  --accent-2: #9b59b6;
  --link: #7cd5ff;
  --border: #3a3a3a;
  --card: #222;
  --radius: 18px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono",
    monospace;
  --sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, "Noto Sans KR",
    Arial, sans-serif;
}

/* ======= Global ======= */
* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  background: var(--bg-deep);
  color: var(--fg);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a {
  color: var(--link);
}
.hidden {
  display: none !important;
}
.sr-only {
  position: absolute;
  left: -9999px;
}

/* ======= Layout ======= */
.site-header {
  border-bottom: 1px solid var(--border);
}

.site-header,
.site-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-footer {
  opacity: 0.7;
  font-size: 12px;
  border-top: 1px solid var(--border);
}
.site-footer .github-link img {
  width: 24px;
  height: 24px;
  opacity: 0.8;
  transition: opacity 0.2s, transform 0.2s;
}

.site-footer .github-link img:hover {
  opacity: 1;
  transform: scale(1.1);
}
.brand {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.2px;
}
.brand .host {
  color: #5dade2;
}
.brand .at {
  opacity: 0.8;
}
.brand .user {
  color: #58d68d;
}
.brand .path {
  color: #f4d03f;
}
.brand .prompt {
  color: var(--accent);
}

.quick-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.btn {
  background: var(--card);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  transition: transform 0.06s ease, background 0.2s ease, border-color 0.2s ease;
  box-shadow: var(--shadow);
}
.btn.small {
  padding: 6px 10px;
  font-size: 12px;
  box-shadow: none;
}
.btn:hover {
  transform: translateY(-1px);
  border-color: #555;
}
.btn:active {
  transform: translateY(0);
}

.scene {
  min-height: calc(100vh - 120px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.terminal-wrap {
  width: 90vmin;
  height: 66vmin;
  max-width: 900px;
  max-height: 900px;
  min-width: 320px;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.terminal-window {
  width: 100%;
  height: 100%;
  background: var(--bg-terminal);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.terminal-titlebar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(0deg, #232323, #2f2f2f);
}
.terminal-titlebar .traffic {
  display: flex;
  gap: 8px;
}
.terminal-titlebar .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.terminal-titlebar .dot.red {
  background: #ff5f56;
}
.terminal-titlebar .dot.yellow {
  background: #ffbd2e;
}
.terminal-titlebar .dot.green {
  background: #27c93f;
}
.terminal-titlebar .title {
  width: 80%;
  display: flex;
  align-items: center;
  justify-content: center;
  font: 600 13px var(--sans);
  opacity: 0.9;
}
.terminal-titlebar .spacer {
  flex: 1;
}

.terminal-output {
  flex: 1;
  padding: 14px;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.5;
  overflow: auto;
}

/* ======= Lines ======= */
.terminal-line {
  white-space: pre-wrap;
}
.terminal-line .ps1 {
  color: var(--accent);
}
.terminal-line .error {
  color: #ff7675;
}
.terminal-line .ok {
  color: #58d68d;
}
.terminal-line .dir {
  color: #5dade2;
}
.terminal-line .file {
  color: #f4d03f;
}

/* ======= Prompt line (inline input, like real shell) ======= */
.prompt-line {
  display: flex;
  align-items: center;
  gap: 0.5ch;
}
.prompt-line .ps1 {
  flex: 0 0 auto;
}
.prompt-input {
  flex: 1;
  min-width: 4ch;
  background: transparent;
  border: none;
  color: var(--fg);
  outline: none;
  font-family: var(--mono);
  font-size: 14px;
}
.prompt-input::placeholder {
  color: #777;
}
.prompt-line.readonly .prompt-input {
  display: none;
}
.prompt-line.readonly .echo {
  white-space: pre-wrap;
}
.echo {
  flex: 1;
}

/* ======= Blog view ======= */
.blog-container {
  width: min(1200px, 95vw);
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 16px;
}
.blog-sidebar {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  height: 66vmin;
  overflow: auto;
}
.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.post-list li {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  background: #1f1f1f;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.post-list li:hover {
  border-color: #555;
}
.post-title {
  font-weight: 600;
}
.post-meta {
  font-size: 12px;
  opacity: 0.7;
}

.post-view {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  height: 66vmin;
  overflow: auto;
}
.post-chrome {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 10px;
}
.post-h1 {
  margin: 0 0 6px 0;
}
.post-meta {
  margin: 0 0 16px 0;
}

/* ======= Markdown basics ======= */
.markdown {
  line-height: 1.7;
}
.markdown h1,
.markdown h2,
.markdown h3 {
  margin: 1.2em 0 0.4em;
}
.markdown h1 {
  font-size: 1.8rem;
}
.markdown h2 {
  font-size: 1.4rem;
}
.markdown code {
  background: #00000040;
  padding: 0.1em 0.35em;
  border-radius: 6px;
}
.markdown pre {
  background: #111;
  border: 1px solid #333;
  padding: 12px;
  border-radius: 10px;
  overflow: auto;
}
.markdown a {
  text-decoration: underline;
}

/* ======= Themes ======= */
body.theme-terminal .site-header,
.theme-terminal .site-footer {
  backdrop-filter: saturate(120%) blur(4px);
}
body.theme-blog #blog-scene {
  display: flex;
}
body.theme-blog #terminal-scene {
  display: none;
}
body.theme-terminal #blog-scene {
  display: none;
}

@media (max-width: 920px) {
  .blog-container {
    grid-template-columns: 1fr;
  }
  .blog-sidebar {
    height: auto;
    order: 2;
  }
  .post-view {
    order: 1;
    height: auto;
  }
}

/* ======= Autocomplete suggestions ======= */
.ac-suggestions {
  display: inline-block;
  margin: 4px 0 2px;
  padding: 4px 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #1c1c1c;
  font-family: var(--mono);
  font-size: 13px;
  opacity: 0.95;
}

/* ======= Non-blinking custom caret ======= */
:root {
  --caret-thickness: 7.5px;
  --caret-color: var(--fg);
}
.prompt-line {
  position: relative;
}
.prompt-input {
  padding: 0;
  margin: 0;
  border: none;
  caret-color: transparent;
}
.fake-caret {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: var(--caret-thickness);
  height: 1.2em;
  background: var(--caret-color);
  pointer-events: none;
  animation: none;
  opacity: 1;
}

/* ======= Tags ======= */
.tags-row {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tags-inline {
  margin-left: 6px;
}
.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: #2f2f2f;
  border: 1px solid var(--border);
  font-size: 11px;
  line-height: 1.6;
  color: #cfd3dc;
}

.blog-container.list-mode {
  grid-template-columns: 1fr;
}
.blog-container.list-mode .post-view {
  display: none;
}
.blog-container.detail-mode {
  grid-template-columns: 1fr;
}
.blog-container.detail-mode .blog-sidebar {
  display: none;
}

/* ======= Blog Search ======= */
.search-input {
  width: 100%;
  margin: 8px 0 12px;
  padding: 8px 10px;
  font: 14px var(--sans);
  color: var(--fg);
  background: #1c1c1c;
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
}
.search-input:focus {
  border-color: #555;
}

/* === Read-only article (detail mode) – borderless, full-width container === */
.blog-container.detail-mode {
  display: block;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
}

/* 사이드바 숨김 */
.blog-container.detail-mode .blog-sidebar {
  display: none !important;
}

/* 카드/테두리/배경 제거 + 패딩 제거 */
.blog-container.detail-mode .post-view {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  border-radius: 0 !important;
  padding: 0 !important;
  height: auto; /* 고정 높이 해제 */
  overflow: visible; /* 스크롤 박스 해제 */
}

.blog-container.detail-mode #post-title,
.blog-container.detail-mode #post-meta,
.blog-container.detail-mode #post-content,
.blog-container.detail-mode .post-chrome {
  width: min(860px, 92vw);
  margin: 0 auto;
}

.blog-container.detail-mode .post-chrome {
  margin: 20px auto 12px;
}

.blog-container.detail-mode .markdown {
  margin: 12px auto 40px;
}
.blog-container.detail-mode .markdown img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 18px auto;
}

.blog-container.detail-mode #post-title {
  margin-bottom: 8px;
}

.blog-container.detail-mode #post-meta {
  margin-bottom: 24px;
  font-size: 14px;
  color: #999;
}

.blog-container.detail-mode #post-meta .tags-inline {
  margin-top: 6px;
}

#post-meta .tag {
  display: inline-block;
  margin-left: 6px;
  margin-right: 4px;
  padding: 2px 6px;
  font-size: 12px;
  background: #2f2f2f;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.markdown table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}
.markdown th,
.markdown td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  vertical-align: top;
}
.markdown thead th {
  background: #1f1f1f;
  font-weight: 600;
}
.markdown tbody tr:nth-child(even) {
  background: #161616;
}