/* ── Reset & Base ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0d1117;
  --bg2:       #161b22;
  --bg3:       #21262d;
  --bg4:       #2d333b;
  --border:    #30363d;
  --border2:   #3d444d;
  --text:      #e6edf3;
  --text2:     #9198a1;
  --text3:     #656d76;
  --accent:    #4493f8;
  --accent2:   #388bfd;
  --green:     #3fb950;
  --yellow:    #d29922;
  --red:       #f85149;

  --sidebar-w: 268px;
  --topbar-h:  52px;
  --radius:    6px;
  --radius-lg: 10px;

  --mono: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', 'Liberation Mono', monospace;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

html, body { height: 100%; overflow: hidden; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

#app { display: flex; flex-direction: column; height: 100vh; }

/* ── Topbar ───────────────────────────────────── */
.topbar {
  height: var(--topbar-h);
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 10px;
  flex-shrink: 0;
  z-index: 200;
}

.logo {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.4px;
  white-space: nowrap;
  flex-shrink: 0;
}
.logo:hover { color: var(--accent); }

.search-box {
  flex: 1;
  max-width: 420px;
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 9px;
  font-size: 15px;
  color: var(--text3);
  pointer-events: none;
  line-height: 1;
}

#search {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 6px 28px 6px 28px;
  font-size: 13px;
  font-family: var(--sans);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
#search:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(68, 147, 248, 0.15);
}
#search::placeholder { color: var(--text3); }
#search::-webkit-search-cancel-button { display: none; }

.search-clear {
  position: absolute;
  right: 6px;
  background: none;
  border: none;
  color: var(--text3);
  cursor: pointer;
  font-size: 12px;
  padding: 2px 4px;
  border-radius: 3px;
  line-height: 1;
}
.search-clear:hover { color: var(--text); background: var(--bg3); }

.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 6px; }

.btn-ghost {
  color: var(--text2);
  text-decoration: none;
  font-size: 12px;
  padding: 5px 9px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: all 0.15s;
  white-space: nowrap;
}
.btn-ghost:hover { color: var(--text); border-color: var(--border); background: var(--bg3); }

/* ── Layout ───────────────────────────────────── */
.body-wrap {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* ── Sidebar toggle (mobile) ──────────────────── */
.sidebar-toggle {
  display: none;
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 150;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: 4px 8px;
  cursor: pointer;
  font-size: 16px;
}

/* ── Sidebar ──────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  overflow-x: hidden;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.sidebar::-webkit-scrollbar-thumb:hover { background: var(--border2); }

#sidebar-inner { padding: 8px 0 32px; min-height: 100%; }

/* Platform */
.platform { margin-bottom: 2px; }

.platform-hdr {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  cursor: pointer;
  user-select: none;
  color: var(--text2);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  transition: color 0.12s;
}
.platform-hdr:hover { color: var(--text); }

.platform-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.p-chevron {
  margin-left: auto;
  font-size: 9px;
  color: var(--text3);
  transition: transform 0.15s;
  flex-shrink: 0;
}

.platform.collapsed > .platform-body { display: none; }
.platform.collapsed .p-chevron { transform: rotate(-90deg); }

/* Category */
.cat-hdr {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px 4px 20px;
  cursor: pointer;
  user-select: none;
  font-size: 12px;
  color: var(--text2);
  transition: color 0.12s;
}
.cat-hdr:hover { color: var(--text); }

.c-chevron {
  font-size: 8px;
  color: var(--text3);
  transition: transform 0.15s;
  flex-shrink: 0;
}
.cat.collapsed > .cat-body { display: none; }
.cat.collapsed > .cat-hdr .c-chevron { transform: rotate(-90deg); }

.cat-count {
  margin-left: auto;
  font-size: 10px;
  color: var(--text3);
  background: var(--bg3);
  padding: 1px 6px;
  border-radius: 10px;
  flex-shrink: 0;
}

/* Sub-categories indented */
.cat-body > .cat > .cat-hdr { padding-left: 32px; }
.cat-body > .cat > .cat-body > .cat > .cat-hdr { padding-left: 44px; }

/* File item */
.file-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 30px;
  cursor: pointer;
  font-size: 12.5px;
  color: var(--text2);
  border-left: 2px solid transparent;
  transition: color 0.1s, background 0.1s, border-color 0.1s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  position: relative;
}
.file-item:hover { background: var(--bg3); color: var(--text); }
.file-item.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background: rgba(68, 147, 248, 0.08);
  font-weight: 500;
}

/* Sub-category files indented */
.cat-body > .cat > .cat-body > .file-item { padding-left: 42px; }
.cat-body > .cat > .cat-body > .cat > .cat-body > .file-item { padding-left: 54px; }

.file-dot { font-size: 7px; flex-shrink: 0; opacity: 0.6; }
.file-name { overflow: hidden; text-overflow: ellipsis; }

/* Project folder (file with attached project files) */
.project-folder-hdr {
  font-weight: 500;
}
.folder-chevron {
  font-size: 8px;
  color: var(--text3);
  flex-shrink: 0;
  transition: transform 0.15s;
  display: inline-block;
}
.project-folder.open .folder-chevron { transform: rotate(90deg); }
.project-folder-body { overflow: hidden; }
.file-nested { color: var(--text3); font-size: 12px; }
.file-nested:hover { color: var(--text2); }
.file-nested.active { color: var(--accent); border-left-color: var(--accent); background: rgba(68,147,248,0.06); }

/* ── Search results ───────────────────────────── */
.no-match { display: none !important; }
.search-empty {
  padding: 24px 16px;
  text-align: center;
  color: var(--text3);
  font-size: 12px;
}

/* ── Main content ─────────────────────────────── */
.main {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* ── Welcome screen ───────────────────────────── */
.welcome {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
}

.welcome-inner {
  text-align: center;
  max-width: 380px;
  padding: 40px 20px;
}

.welcome-glyph {
  font-size: 42px;
  color: var(--text3);
  margin-bottom: 18px;
  display: block;
}

.welcome-inner h2 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.welcome-inner p { color: var(--text2); font-size: 13.5px; max-width: 300px; margin: 0 auto; }

.welcome-stats {
  display: flex;
  gap: 28px;
  justify-content: center;
  margin: 28px 0 20px;
}

.stat-num { font-size: 30px; font-weight: 700; color: var(--accent); line-height: 1; }
.stat-lbl { font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text3); margin-top: 3px; }

.welcome-hint {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text3);
}

/* ── Viewer ───────────────────────────────────── */
.viewer {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.viewer-header {
  padding: 18px 24px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 14px;
  flex-wrap: wrap;
  flex-shrink: 0;
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.viewer-meta { flex: 1; min-width: 200px; }

.breadcrumb {
  font-size: 11px;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.breadcrumb-sep { color: var(--text3); }

.viewer-title {
  font-size: 19px;
  font-weight: 600;
  line-height: 1.3;
  word-break: break-word;
  letter-spacing: -0.3px;
}

.viewer-desc {
  margin-top: 5px;
  font-size: 12.5px;
  color: var(--text2);
  font-style: italic;
  line-height: 1.5;
  max-width: 600px;
}

.viewer-actions {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
  flex-shrink: 0;
  padding-top: 2px;
}

/* ── Buttons ──────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 11px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg3);
  color: var(--text);
  cursor: pointer;
  font-size: 12.5px;
  font-family: var(--sans);
  line-height: 1;
  transition: background 0.12s, border-color 0.12s, color 0.12s, transform 0.1s;
  white-space: nowrap;
  user-select: none;
}
.btn:hover { background: var(--bg4); border-color: var(--border2); }
.btn:active { transform: scale(0.96); }

.btn-copy {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
  padding: 6px 14px;
}
.btn-copy:hover { background: var(--accent2); border-color: var(--accent2); }
.btn-copy.ok { background: var(--green); border-color: var(--green); }

.btn-edit.active { border-color: var(--yellow); color: var(--yellow); }
.btn-raw.active  { border-color: var(--accent); color: var(--accent); }

.btn-split {
  display: flex;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.btn-dl {
  border: none;
  border-radius: 0;
  font-size: 12px;
  padding: 6px 10px;
  background: var(--bg3);
}
.btn-dl:hover { background: var(--bg4); }
.btn-dl-bundle { border-left: 1px solid var(--border); }

/* ── Viewer body ──────────────────────────────── */
.viewer-body {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.rendered {
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px;
  max-width: 820px;
}
.rendered::-webkit-scrollbar { width: 5px; }
.rendered::-webkit-scrollbar-track { background: transparent; }
.rendered::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.rendered::-webkit-scrollbar-thumb:hover { background: var(--border2); }

/* Rendered Markdown styles */
.rendered h1 { font-size: 1.55em; font-weight: 700; margin: 0 0 14px; padding-bottom: 8px; border-bottom: 1px solid var(--border); letter-spacing: -0.4px; }
.rendered h2 { font-size: 1.22em; font-weight: 600; margin: 24px 0 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.rendered h3 { font-size: 1.06em; font-weight: 600; margin: 20px 0 7px; }
.rendered h4, .rendered h5, .rendered h6 { font-size: 0.95em; font-weight: 600; margin: 16px 0 6px; color: var(--text2); }
.rendered p { margin: 0 0 11px; }
.rendered ul, .rendered ol { margin: 0 0 11px 22px; }
.rendered li { margin: 3px 0; }
.rendered li > p { margin: 0; }
.rendered hr { border: none; border-top: 1px solid var(--border); margin: 20px 0; }
.rendered blockquote { border-left: 3px solid var(--border2); padding: 2px 0 2px 14px; color: var(--text2); margin: 10px 0; }
.rendered blockquote p { margin: 0; }
.rendered code { font-family: var(--mono); font-size: 12px; background: var(--bg3); padding: 2px 5px; border-radius: 3px; border: 1px solid var(--border); }
.rendered pre { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; overflow-x: auto; margin: 10px 0; }
.rendered pre code { background: none; border: none; padding: 0; font-size: 12.5px; }
.rendered a { color: var(--accent); text-decoration: none; }
.rendered a:hover { text-decoration: underline; }
.rendered strong { font-weight: 700; }
.rendered em { font-style: italic; color: var(--text2); }
.rendered table { width: 100%; border-collapse: collapse; margin: 10px 0; font-size: 13px; }
.rendered th, .rendered td { border: 1px solid var(--border); padding: 6px 12px; text-align: left; }
.rendered th { background: var(--bg3); font-weight: 600; }

/* Plain text mode */
.rendered.plain {
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.75;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text);
}

/* Editor textarea */
.editor {
  flex: 1;
  background: var(--bg2);
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
  padding: 22px 28px;
  border: none;
  outline: none;
  resize: none;
  tab-size: 2;
  width: 100%;
  min-height: 0;
  border-top: 2px solid var(--yellow);
}
.editor:focus { outline: none; }

/* ── Toast ────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text);
  padding: 9px 15px;
  border-radius: var(--radius);
  font-size: 13px;
  z-index: 999;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
  max-width: 280px;
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* ── Utilities ────────────────────────────────── */
.hidden { display: none !important; }

/* ── Responsive ───────────────────────────────── */
@media (max-width: 680px) {
  .sidebar-toggle { display: block; }

  .sidebar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    box-shadow: 4px 0 20px rgba(0,0,0,0.4);
  }
  .sidebar.open { transform: translateX(0); }

  .viewer-header { padding: 14px 16px 12px; }
  .rendered { padding: 16px 18px; }
  .editor { padding: 16px 18px; }
  .viewer-title { font-size: 16px; }
  .viewer-actions { gap: 4px; }
  .btn { padding: 5px 9px; font-size: 12px; }
}

@media (max-width: 400px) {
  :root { --sidebar-w: 240px; }
  .btn-raw { display: none; }
}

/* ── View toggle ──────────────────────────────── */
.view-toggle {
  display: flex;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.vtbtn {
  background: none;
  border: none;
  color: var(--text3);
  padding: 5px 9px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  transition: background 0.12s, color 0.12s;
}
.vtbtn:hover { background: var(--bg3); color: var(--text); }
.vtbtn.active { background: var(--bg3); color: var(--text); }
.vtbtn + .vtbtn { border-left: 1px solid var(--border); }

/* Inline button (used in welcome hint) */
.inline-btn {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: inherit;
  font-family: inherit;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.inline-btn:hover { color: var(--accent2); }

/* ── Gallery view ─────────────────────────────── */
.gallery-wrap {
  flex: 1;
  overflow-y: auto;
  padding: 0;
}
.gallery-wrap::-webkit-scrollbar { width: 5px; }
.gallery-wrap::-webkit-scrollbar-track { background: transparent; }
.gallery-wrap::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* Platform card layer */
.gallery-top {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  padding: 44px 32px;
  max-width: 820px;
  margin: 0 auto;
}

.gp-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s, transform 0.12s, box-shadow 0.15s;
}
.gp-card:hover {
  border-color: var(--pcolor, var(--border2));
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.4);
}
.gp-card:active { transform: translateY(0); }

.gp-stripe { height: 4px; flex-shrink: 0; }

.gp-body {
  padding: 16px 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.gp-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.gp-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.3px;
}

.gp-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.gp-cats span {
  font-size: 10px;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text3);
  padding: 2px 7px;
  border-radius: 10px;
}

.gp-count {
  font-size: 11px;
  color: var(--text3);
  margin-top: 2px;
}

/* Files layer */
.gallery-files-body { padding: 20px 28px 40px; }

.gallery-back {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 28px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 5;
}

.btn-back {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text2);
  padding: 5px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 12px;
  font-family: var(--sans);
  flex-shrink: 0;
  transition: background 0.12s, color 0.12s;
}
.btn-back:hover { background: var(--bg4); color: var(--text); }

.gallery-platform {
  margin-bottom: 40px;
}

.gallery-platform-hdr {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text2);
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.gallery-cat-section {
  margin-bottom: 24px;
}

.gallery-cat-lbl {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text3);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.gallery-cat-lbl::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 10px;
}

/* Card */
.gallery-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s, transform 0.12s, box-shadow 0.15s;
  min-height: 140px;
}
.gallery-card:hover {
  border-color: var(--border2);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.35);
}
.gallery-card:active { transform: translateY(0); }

.gc-topbar { height: 3px; flex-shrink: 0; }

.gc-body {
  padding: 11px 13px 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.gc-meta {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}

.gc-cat {
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text3);
}

.gc-skill-badge {
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.09em;
  background: rgba(204,120,92,0.15);
  color: #cc785c;
  border: 1px solid rgba(204,120,92,0.3);
  border-radius: 3px;
  padding: 1px 4px;
  text-transform: uppercase;
}

.gc-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.35;
  word-break: break-word;
}

.gc-preview {
  font-size: 11px;
  color: var(--text3);
  line-height: 1.5;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  flex: 1;
}

.gc-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 6px;
  gap: 4px;
}

.gc-chars {
  font-size: 10px;
  color: var(--text3);
  font-variant-numeric: tabular-nums;
}
.gc-chars.warn { color: var(--yellow); }
.gc-chars.over { color: var(--red); font-weight: 600; }

.gc-ext {
  font-size: 9px;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text3);
  padding: 1px 5px;
  border-radius: 3px;
  flex-shrink: 0;
}

/* ── Skill badge ──────────────────────────────── */
.skill-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(204, 120, 92, 0.18);
  color: #cc785c;
  border: 1px solid rgba(204, 120, 92, 0.4);
  border-radius: 4px;
  padding: 1px 5px;
  margin-left: 8px;
  vertical-align: middle;
  position: relative;
  top: -2px;
}

/* ── Character counter ────────────────────────── */
.char-counter {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 7px;
  flex-wrap: wrap;
}

.char-count {
  font-size: 11px;
  color: var(--text3);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.char-count.warn { color: var(--yellow); }
.char-count.over { color: var(--red); font-weight: 600; }

.char-bar-wrap {
  width: 80px;
  height: 4px;
  background: var(--bg3);
  border-radius: 2px;
  overflow: hidden;
  flex-shrink: 0;
}

.char-bar {
  height: 100%;
  background: var(--green);
  border-radius: 2px;
  transition: width 0.2s, background 0.2s;
}
.char-bar.warn { background: var(--yellow); }
.char-bar.over { background: var(--red); }

.char-over {
  font-size: 10px;
  color: var(--red);
  font-weight: 600;
}

.char-note {
  font-size: 10px;
  color: var(--text3);
  font-style: italic;
}

/* ── Project files section ────────────────────── */
.project-files-section {
  margin-top: 32px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

.pf-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.pf-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text2);
}

.pf-count {
  font-size: 10px;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text3);
  padding: 1px 6px;
  border-radius: 10px;
}

.pf-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 6px;
  overflow: hidden;
}

.pf-row {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 10px;
  cursor: pointer;
  background: var(--bg2);
  user-select: none;
  transition: background 0.1s;
}
.pf-row:hover { background: var(--bg3); }

.pf-dot { font-size: 7px; color: var(--text3); flex-shrink: 0; }

.pf-name {
  flex: 1;
  font-size: 12.5px;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pf-chars {
  font-size: 10px;
  color: var(--text3);
  white-space: nowrap;
  flex-shrink: 0;
}

.pf-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: 4px;
  padding: 2px 7px;
  font-size: 11px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.1s, color 0.1s;
  font-family: var(--sans);
}
.pf-btn:hover { background: var(--bg4); color: var(--text); }

.pf-body {
  border-top: 1px solid var(--border);
  max-height: 400px;
  overflow-y: auto;
}

.pf-plain {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  padding: 14px 16px;
  color: var(--text);
}

.pf-rendered {
  padding: 14px 16px;
  font-size: 13px;
}
.pf-rendered h1,.pf-rendered h2,.pf-rendered h3 { font-size: 1em; font-weight: 600; margin: 8px 0 4px; }
.pf-rendered p { margin: 0 0 8px; }
.pf-rendered ul,.pf-rendered ol { margin: 0 0 8px 18px; }
.pf-rendered code { font-family: var(--mono); font-size: 11px; background: var(--bg3); padding: 1px 4px; border-radius: 3px; }

/* ── Previous version accordion ───────────────── */
.prev-section {
  margin-top: 32px;
  border-top: 1px dashed var(--border);
  padding-top: 16px;
}

.prev-summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text3);
  user-select: none;
  padding: 2px 0;
}
.prev-summary::-webkit-details-marker { display: none; }
.prev-summary:hover { color: var(--text2); }

.prev-chars { font-size: 10px; }

.prev-body {
  margin-top: 16px;
  opacity: 0.6;
  font-size: 12.5px;
}

.prev-body.prev-plain {
  font-family: var(--mono);
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.75;
}