:root {
  --bg:       #0a0a0a;
  --bg2:      #111111;
  --bg3:      #0d0d0d;
  --bg4:      #161616;
  --bg5:      #111111;
  --b1:       #2a2a2a;
  --b2:       #1e1e1e;
  --b3:       #1a1a1a;
  --tx:       #cccccc;
  --tx2:      #aaaaaa;
  --tx3:      #888888;
  --tx4:      #666666;
  --tx5:      #444444;
  --y:        #ffff00;
  --c:        #00ffff;
  --g:        #00ff00;
  --code-bg:  #080810;
  --code-b:   #1a1a2a;
  --sc-track: #0d0d0d;
  --sc-thumb: #2a2a2a;
}

/* ── LIGHT THEME ── */
body.light {
  --bg:       #f0ede4;
  --bg2:      #e6e1d6;
  --bg3:      #eae5da;
  --bg4:      #ddd8cc;
  --bg5:      #e0dace;
  --b1:       #b8b098;
  --b2:       #c8c0a8;
  --b3:       #c0b898;
  --tx:       #1a1a0a;
  --tx2:      #3a3828;
  --tx3:      #5a5440;
  --tx4:      #7a7060;
  --tx5:      #8a8070;
  --y:        #7a6800;
  --c:        #005868;
  --g:        #206800;
  --code-bg:  #e8e3d8;
  --code-b:   #c8c0a8;
  --sc-track: #e0dace;
  --sc-thumb: #b8b098;
}

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

body {
  margin: 0;
  padding: 0;
  font-family: "Courier New", Courier, monospace;
  font-size: 15px;
  background: var(--bg);
  color: var(--tx);
  transition: background .2s, color .2s;
}

#bar {
  position: sticky;
  top: 0;
  z-index: 200;
  height: 48px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 18px;
  background: var(--bg2);
  border-bottom: 2px solid var(--b1);
}

#bar-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

#bar-icon {
  color: var(--g);
  font-size: 20px;
  line-height: 1;
}

#bar-title {
  color: var(--y);
  font-size: 14px;
  font-weight: bold;
  letter-spacing: 2px;
  white-space: nowrap;
}

#bar-spacer {
  flex: 1;
}

#bar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* stats badges (stars / forks) */
.bar-stat {
  font-size: 11px;
  color: var(--tx3);
  border: 1px solid var(--b1);
  padding: 2px 9px;
  background: var(--bg);
  white-space: nowrap;
}
.bar-stat b {
  color: var(--y);
}

/* social link badges */
.bar-social {
  color: var(--tx3);
  text-decoration: none;
  font-size: 11px;
  border: 1px solid var(--b1);
  padding: 2px 9px;
  background: var(--bg);
  white-space: nowrap;
  transition: color .15s, border-color .15s, background .15s;
}
.bar-social:hover {
  color: var(--c);
  border-color: var(--c);
  background: var(--bg4);
}

/* search button */
#btn-search {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid var(--b1);
  color: var(--tx3);
  font-family: inherit;
  font-size: 11.5px;
  padding: 3px 10px;
  cursor: pointer;
  white-space: nowrap;
  transition: color .15s, border-color .15s;
}
#btn-search:hover {
  color: var(--g);
  border-color: var(--g);
}
#btn-search kbd {
  font-family: inherit;
  font-size: 10px;
  color: var(--tx4);
  border: 1px solid var(--b1);
  padding: 1px 4px;
}

/* theme toggle button */
#btn-theme {
  background: none;
  border: 1px solid var(--b1);
  color: var(--tx3);
  font-family: inherit;
  font-size: 11.5px;
  padding: 3px 10px;
  cursor: pointer;
  white-space: nowrap;
  transition: color .15s, border-color .15s;
}
#btn-theme:hover {
  color: var(--y);
  border-color: var(--y);
}


#layout {
  display: flex;
  min-height: calc(100vh - 48px);
}

#sidebar {
  width: 270px;
  min-width: 270px;
  position: sticky;
  top: 48px;
  height: calc(100vh - 48px);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px 0;
  background: var(--bg3);
  border-right: 1px solid var(--b2);
}

#sidebar::-webkit-scrollbar       { width: 3px; }
#sidebar::-webkit-scrollbar-track { background: var(--sc-track); }
#sidebar::-webkit-scrollbar-thumb { background: var(--sc-thumb); }

#sb-head {
  color: var(--g);
  font-size: 10px;
  letter-spacing: 3px;
  padding: 0 14px 10px;
  border-bottom: 1px solid var(--b3);
  margin-bottom: 6px;
}

/* sidebar buttons — base */
.sb-btn {
  display: flex;
  align-items: baseline;
  width: 100%;
  gap: 4px;
  background: none;
  border: none;
  border-left: 3px solid transparent;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  padding: 4px 14px;
  transition: background .08s, color .08s, border-color .08s;
}

/* section items */
.sb-section {
  color: var(--y);
  font-size: 11.5px;
  font-weight: bold;
  padding-top: 5px;
  padding-bottom: 5px;
}
.sb-section .arr {
  color: var(--g);
  font-size: 10px;
  flex-shrink: 0;
  transition: transform .15s;
}
.sb-section.open .arr {
  transform: rotate(90deg);
}
.sb-section:hover,
.sb-section.act {
  color: #fff;
  background: var(--bg4);
  border-left-color: var(--y);
}

/* child items */
.sb-child {
  color: var(--tx4);
  font-size: 11px;
  padding-left: 24px;
}
.sb-child::before {
  content: "├─ ";
  color: var(--b1);
  font-size: 11px;
}
.sb-child:hover,
.sb-child.act {
  color: var(--c);
  background: var(--bg5);
  border-left-color: var(--c);
}
.sb-child:hover::before,
.sb-child.act::before {
  color: var(--c);
}

/* collapsible children container */
.sb-kids {
  display: none;
  flex-direction: column;
}
.sb-kids.open {
  display: flex;
}

#main {
  flex: 1;
  min-width: 0;
  padding: 32px 48px;
  max-width: 900px;
}

/* loading spinner */
.spin {
  color: var(--g);
  font-size: 12px;
  letter-spacing: 2px;
  padding: 40px 0;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* error block */
.err {
  border-left: 4px solid #cc3333;
  background: #0c0000;
  color: #cc3333;
  padding: 12px 16px;
  font-size: 13px;
}


#doc h1 {
  color: var(--y);
  font-size: 22px;
  letter-spacing: 2px;
  border-left: 4px solid var(--y);
  padding-left: 16px;
  margin: 0 0 8px;
}
#doc h2 {
  color: var(--g);
  font-size: 13.5px;
  letter-spacing: 2px;
  border-bottom: 1px solid var(--b3);
  padding-bottom: 5px;
  margin: 26px 0 10px;
}
#doc h3 {
  color: var(--c);
  font-size: 12.5px;
  letter-spacing: 1px;
  margin: 18px 0 7px;
}
#doc h4 {
  color: var(--tx2);
  font-size: 12.5px;
  margin: 14px 0 6px;
}
#doc p {
  color: var(--tx2);
  font-size: 14px;
  line-height: 1.95;
  margin: 0 0 12px;
}
#doc ul,
#doc ol {
  color: var(--tx2);
  font-size: 14px;
  line-height: 2;
  padding-left: 20px;
  margin: 0 0 12px;
}
#doc ul li::marker { color: var(--c); }
#doc ol li::marker { color: var(--y); }

#doc strong,
#doc b   { color: var(--y); }
#doc em  { color: var(--tx3); font-style: italic; }

#doc a       { color: var(--c); text-decoration: none; }
#doc a:hover { color: var(--y); text-decoration: underline; }

#doc hr {
  border: none;
  border-top: 1px solid var(--b3);
  margin: 16px 0;
}

#doc blockquote {
  border-left: 3px solid var(--c);
  background: var(--bg3);
  margin: 12px 0;
  padding: 10px 16px;
  color: var(--tx3);
  font-size: 13.5px;
  line-height: 1.8;
}
#doc blockquote strong { color: var(--c); }

#doc code {
  color: var(--c);
  background: var(--code-bg);
  border: 1px solid var(--code-b);
  padding: 1px 6px;
  font-size: 12.5px;
  font-family: inherit;
}
#doc pre {
  background: var(--code-bg);
  border: 1px solid var(--b2);
  border-left: 3px solid var(--g);
  padding: 13px 16px;
  overflow-x: auto;
  font-size: 12.5px;
  color: var(--g);
  line-height: 1.7;
  margin: 10px 0 16px;
}
#doc pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
}

/* tables */
#doc table {
  border-collapse: collapse;
  width: 100%;
  font-size: 13px;
  margin: 10px 0 16px;
}
#doc table th {
  background: #0a0a00;
  color: var(--y);
  border: 1px solid #2a2a00;
  padding: 7px 12px;
  text-align: left;
  font-size: 11px;
  letter-spacing: 1px;
}
body.light #doc table th {
  background: #ddd5a0;
  border-color: #c0b040;
}
#doc table td {
  padding: 7px 12px;
  border: 1px solid var(--b3);
  color: var(--tx2);
  line-height: 1.6;
  vertical-align: top;
}
#doc table td:first-child {
  color: var(--c);
  background: #050510;
  font-weight: bold;
}
body.light #doc table td:first-child {
  background: #d8d0e8;
}
#doc table tr:hover td {
  background: var(--bg5);
}

#doc img {
  max-width: 100%;
  border: 1px solid var(--b2);
  margin: 8px 0;
}

#search-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 8000;
  align-items: flex-start;
  justify-content: center;
  padding-top: 80px;
}
#search-overlay.open {
  display: flex;
}

#search-bg {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .75);
  cursor: pointer;
}

#search-box {
  position: relative;
  z-index: 1;
  width: 600px;
  max-width: 92vw;
  background: var(--bg2);
  border: 1px solid var(--b1);
  box-shadow:
    0 0 0 1px var(--b1),
    0 30px 80px rgba(0, 0, 0, .65),
    0 0 40px rgba(0, 255, 0, .05);
}

#search-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--b1);
}
#search-icon {
  color: var(--g);
  font-size: 16px;
  flex-shrink: 0;
}
#search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--tx);
  font-family: inherit;
  font-size: 13.5px;
  caret-color: var(--g);
}
#search-input::placeholder {
  color: var(--tx4);
}
#search-esc {
  color: var(--tx3);
  font-size: 10px;
  border: 1px solid var(--b1);
  padding: 2px 6px;
  letter-spacing: 1.5px;
  cursor: pointer;
  font-family: inherit;
}
#search-esc:hover {
  color: var(--y);
  border-color: var(--y);
}

#search-results {
  max-height: 350px;
  overflow-y: auto;
}
#search-results::-webkit-scrollbar       { width: 3px; }
#search-results::-webkit-scrollbar-thumb { background: var(--b1); }

/* result rows */
.sr {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--b3);
  transition: background .08s;
}
.sr:last-child    { border-bottom: none; }
.sr:hover, .sr.on { background: var(--bg4); }

.sr-tag {
  font-size: 10px;
  letter-spacing: 1px;
  padding: 2px 5px;
  border: 1px solid;
  flex-shrink: 0;
  min-width: 42px;
  text-align: center;
}
.sr-tag.s { color: var(--y); border-color: var(--y); }
.sr-tag.c { color: var(--c); border-color: var(--c); }
.sr-tag.h { color: var(--g); border-color: var(--g); }

.sr-body  { flex: 1; min-width: 0; }
.sr-label { color: var(--tx); font-size: 13px; }
.sr-label mark {
  background: none;
  color: var(--y);
  font-weight: bold;
  text-decoration: underline;
  text-decoration-color: var(--y);
  text-underline-offset: 2px;
}
.sr-sub {
  color: var(--tx4);
  font-size: 11px;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sr-arr        { color: var(--b1); flex-shrink: 0; }
.sr.on .sr-arr { color: var(--g); }

.sr-empty {
  padding: 26px;
  text-align: center;
  color: var(--tx3);
  font-size: 12px;
  letter-spacing: 2px;
}

#search-foot {
  display: flex;
  gap: 12px;
  padding: 6px 14px;
  border-top: 1px solid var(--b3);
  flex-wrap: wrap;
}
.sh {
  color: var(--tx3);
  font-size: 10.5px;
  display: flex;
  align-items: center;
  gap: 3px;
}
.sh kbd {
  font-family: inherit;
  font-size: 9.5px;
  color: var(--tx2);
  background: var(--bg4);
  border: 1px solid var(--b1);
  padding: 1px 4px;
}

#phone {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  justify-content: center;
  align-items: center;
  flex-direction: column;
  text-align: center;
  padding: 24px;
}
#phone-inner {
  border: 2px solid #550000;
  border-left: 6px solid #cc3333;
  background: #0c0000;
  padding: 28px;
  max-width: 300px;
}
#phone-inner p:first-child {
  color: #cc3333;
  font-size: 9px;
  letter-spacing: 4px;
  margin: 0 0 10px;
}
#phone-inner h2 {
  color: #cc3333;
  font-size: 16px;
  letter-spacing: 2px;
  margin: 0 0 12px;
}
#phone-inner p {
  color: var(--tx3);
  font-size: 12px;
  line-height: 1.9;
  margin: 0;
}
#phone-inner b {
  color: #cc3333;
  display: block;
  margin-top: 8px;
}

@media (max-width: 860px) {
  #phone            { display: flex; }
  #bar, #layout     { display: none; }
}