/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }

/* ===== Theme Variables ===== */
:root {
  --bg: #12121f;
  --bg-card: #1e1e32;
  --bg-code: #1a1a2e;
  --text: #d0d0e0;
  --text-muted: #8888aa;
  --text-heading: #ffffff;
  --text-heading2: #c0c0e0;
  --border: #2a2a4e;
  --border-card: #2a2a4e;
  --bg-table-header: #22223a;
  --bg-inline-code: #2a2a4e;
  --info-bg: #172040;
  --info-border: #4361ee;
  --warn-bg: #2a2200;
  --warn-border: #f9a825;
  --link: #6d8df8;
  --method-name-color: #e0e0f0;
  --method-sig-color: #8888aa;
  --method-desc-color: #b0b0cc;
  --method-returns-color: #8888aa;
  --method-returns-strong: #c0c0d0;
  --badge-server-bg: #1a3a2a; --badge-server-fg: #6fd89a;
  --badge-client-bg: #1a2a4a; --badge-client-fg: #6da8f8;
  --badge-cache-bg: #3a2a10;  --badge-cache-fg: #e8c060;
  --badge-proxy-bg: #2a1a3a;  --badge-proxy-fg: #b888e8;
  --badge-all-bg: #2a2a3a;    --badge-all-fg: #a0a0b8;
  --badge-cluster-bg: #1a3030; --badge-cluster-fg: #50c8c8;
  --td-first-color: #6d8df8;
  --td-border: #2a2a4e;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
  color: var(--text); background: var(--bg); line-height: 1.6; display: flex; min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
  width: 280px; min-width: 280px; background: #1a1a2e; color: #e0e0e0;
  position: fixed; top: 0; left: 0; height: 100vh; overflow-y: auto; overflow-x: hidden;
  padding: 24px 0 40px; z-index: 100; transition: transform .3s;
}
.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-thumb { background: #3a3a5e; border-radius: 3px; }

.sidebar-header {
  padding: 0 20px 14px; border-bottom: 1px solid #2a2a4e;
  margin-bottom: 0; display: flex; align-items: flex-start; justify-content: space-between;
}
.sidebar-header h1 { font-size: 20px; color: #fff; font-weight: 700; }
.sidebar-header p { font-size: 12px; color: #8888aa; margin-top: 2px; }
.sidebar-header .github-link {
  display: inline-flex; align-items: center; gap: 5px; font-size: 11px;
  color: #8888aa; text-decoration: none; margin-top: 4px; transition: color .2s;
}
.sidebar-header .github-link:hover { color: #fff; }
.sidebar-header .github-link svg { width: 14px; height: 14px; fill: currentColor; }
/* ===== Tab Switcher ===== */
.tab-switcher {
  display: flex; margin: 12px 16px 12px; background: #12122a;
  border: 1px solid #2a2a4e; border-radius: 8px; padding: 3px; gap: 2px;
}
.tab-btn {
  flex: 1; padding: 7px 8px; border: none; background: transparent;
  color: #8888aa; font-size: 13px; font-weight: 600; border-radius: 6px;
  cursor: pointer; transition: background .15s, color .15s; letter-spacing: .2px;
}
.tab-btn:hover { color: #ccc; }
.tab-btn.active { background: #4361ee; color: #fff; }
[data-theme="light"] .tab-switcher { background: #eeeef8; border-color: #d0d0e0; }
[data-theme="light"] .tab-btn { color: #666; }
[data-theme="light"] .tab-btn:hover { color: #333; }
[data-theme="light"] .tab-btn.active { background: #4361ee; color: #fff; }

/* ===== Lua Sub-tab Switcher (API | Addons) ===== */
.sub-tab-switcher {
  display: flex; margin: 0 16px 10px; background: #0d0d1e;
  border: 1px solid #1e1e3e; border-radius: 6px; padding: 2px; gap: 2px;
}
.sub-tab-btn {
  flex: 1; padding: 5px 8px; border: none; background: transparent;
  color: #6666aa; font-size: 12px; font-weight: 600; border-radius: 5px;
  cursor: pointer; transition: background .15s, color .15s; letter-spacing: .2px;
}
.sub-tab-btn:hover { color: #aaa; }
.sub-tab-btn.active { background: #2a2a5e; color: #b0b0ff; }
[data-theme="light"] .sub-tab-switcher { background: #e8e8f5; border-color: #c8c8e0; }
[data-theme="light"] .sub-tab-btn { color: #888; }
[data-theme="light"] .sub-tab-btn:hover { color: #444; }
[data-theme="light"] .sub-tab-btn.active { background: #d0d0f0; color: #4361ee; }

/* ===== Nav ===== */
.sidebar nav ul { list-style: none; }
.sidebar nav > ul > li > a {
  display: block; padding: 8px 20px; color: #b0b0cc; text-decoration: none;
  font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .5px;
  transition: color .2s, background .2s; cursor: pointer;
}
.sidebar nav > ul > li > a:hover,
.sidebar nav > ul > li > a.active { color: #fff; background: rgba(67,97,238,.15); }
.sidebar nav > ul > li > a.active { border-left: 3px solid #4361ee; padding-left: 17px; }
.sidebar nav > ul > li > ul { display: block; }
.sidebar nav > ul > li > ul > li > a {
  display: block; padding: 5px 20px 5px 36px; color: #9090b0; text-decoration: none;
  font-size: 13px; transition: color .2s;
}
.sidebar nav > ul > li > ul > li > a:hover { color: #e0e0e0; }
.sidebar nav > ul > li > ul > li > a.active { color: #4361ee; }
.sidebar nav > ul > li > ul > li > ul { margin: 0; padding: 0; }
.sidebar nav > ul > li > ul > li > ul > li > a {
  display: block; padding: 4px 20px 4px 48px; color: #7878a0; text-decoration: none;
  font-size: 12px; transition: color .2s;
}
.sidebar nav > ul > li > ul > li > ul > li > a:hover { color: #e0e0e0; }
.sidebar nav > ul > li > ul > li > ul > li > a.active { color: #4361ee; }

/* ===== Mobile Toggle ===== */
.menu-toggle {
  display: none; position: fixed; top: 12px; left: 12px; z-index: 200;
  background: #1a1a2e; color: #fff; border: none; border-radius: 6px;
  width: 40px; height: 40px; font-size: 20px; cursor: pointer; line-height: 1;
}
.overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 99; }

/* ===== Search ===== */
.search-box { padding: 8px 20px 12px; border-bottom: 1px solid #2a2a4e; margin-bottom: 6px; }
.search-box input {
  width: 100%; padding: 8px 12px; border: 1px solid #3a3a5e; border-radius: 6px;
  background: #16162a; color: #e0e0e0; font-size: 13px; outline: none;
}
.search-box input::placeholder { color: #6c6c8e; }
.search-box input:focus { border-color: #4361ee; }

/* ===== Main Content ===== */
.content { margin-left: 280px; flex: 1; padding: 40px 48px 80px; max-width: 920px; }
.content h2 {
  font-size: 28px; font-weight: 700; color: var(--text-heading);
  margin: 48px 0 16px; padding-bottom: 8px; border-bottom: 2px solid var(--border);
}
.content h2:first-child { margin-top: 0; }
.content h3 { font-size: 20px; font-weight: 600; color: var(--text-heading2); margin: 32px 0 12px; }
.content h4 { font-size: 16px; font-weight: 600; color: var(--text-muted); margin: 24px 0 8px; }
.content p { margin: 8px 0 12px; }
.content ul, .content ol { margin: 8px 0 12px 20px; }
.content li { margin: 4px 0; }
.content a { color: var(--link); text-decoration: none; }
.content a:hover { text-decoration: underline; }

/* ===== Badges ===== */
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 10px;
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .3px; vertical-align: middle;
}
.badge-server { background: var(--badge-server-bg); color: var(--badge-server-fg); }
.badge-client { background: var(--badge-client-bg); color: var(--badge-client-fg); }
.badge-cache  { background: var(--badge-cache-bg);  color: var(--badge-cache-fg);  }
.badge-proxy  { background: var(--badge-proxy-bg);  color: var(--badge-proxy-fg);  }
.badge-all    { background: var(--badge-all-bg);    color: var(--badge-all-fg);    }
.badge-cluster{ background: var(--badge-cluster-bg);color: var(--badge-cluster-fg);}
.badge-tier1  { background: #1a2a3a; color: #70b8f8; }
.badge-tier2  { background: #2a1a3a; color: #b888e8; }
.badge-tier3  { background: #1a3a2a; color: #6fd89a; }
.badge-mixed  { background: #3a2a10; color: #e8c060; }


/* ===== Cards ===== */
.method-card {
  background: var(--bg-card); border: 1px solid var(--border-card); border-radius: 8px;
  padding: 20px 24px; margin: 16px 0; box-shadow: 0 1px 3px rgba(0,0,0,.15);
}
.method-card .method-header { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.method-card .method-name {
  font-family: 'SF Mono','Fira Code','Consolas',monospace; font-size: 16px;
  font-weight: 700; color: var(--method-name-color);
}
.method-card .method-sig  { font-family: 'SF Mono','Fira Code','Consolas',monospace; font-size: 13px; color: var(--method-sig-color); }
.method-card .method-desc { margin: 8px 0; color: var(--method-desc-color); font-size: 14px; }
.method-card .method-returns { font-size: 13px; color: var(--method-returns-color); margin: 6px 0; }
.method-card .method-returns strong { color: var(--method-returns-strong); }

.callback-card {
  background: var(--bg-card); border: 1px solid var(--border-card); border-left: 4px solid #4361ee;
  border-radius: 8px; padding: 20px 24px; margin: 16px 0; box-shadow: 0 1px 3px rgba(0,0,0,.15);
}
.callback-card .fires { font-size: 13px; color: var(--text-muted); font-style: italic; margin: 6px 0; }

.cli-card {
  background: var(--bg-card); border: 1px solid var(--border-card); border-radius: 8px;
  padding: 16px 20px; margin: 12px 0; box-shadow: 0 1px 3px rgba(0,0,0,.15);
}
.cli-card .cli-name {
  font-family: 'SF Mono','Fira Code','Consolas',monospace; font-size: 15px;
  font-weight: 700; color: var(--method-name-color);
}
.cli-card .cli-desc { margin: 6px 0 0; color: var(--method-desc-color); font-size: 14px; }

/* ===== Code Blocks ===== */
pre {
  background: var(--bg-code); color: #cdd6f4; border-radius: 8px; padding: 16px 20px;
  overflow-x: auto; margin: 12px 0; font-size: 13px; line-height: 1.5;
  font-family: 'SF Mono','Fira Code','Consolas',monospace; position: relative;
  border: 1px solid var(--border);
}
pre .copy-btn {
  position: absolute; top: 8px; right: 8px; background: #313244; color: #bac2de;
  border: none; border-radius: 4px; padding: 4px 10px; font-size: 11px;
  cursor: pointer; opacity: 0; transition: opacity .2s;
}
pre:hover .copy-btn { opacity: 1; }
pre .copy-btn:hover { background: #45475a; color: #fff; }
.kw { color: #cba6f7; } .fn { color: #89b4fa; } .st { color: #a6e3a1; }
.cm { color: #6c7086; font-style: italic; } .nb { color: #fab387; }
.op { color: #89dceb; } .bi { color: #f9e2af; }
code {
  font-family: 'SF Mono','Fira Code','Consolas',monospace;
  background: var(--bg-inline-code); padding: 2px 6px; border-radius: 4px; font-size: 13px;
}
pre code { background: none; padding: 0; border-radius: 0; }
pre::-webkit-scrollbar { height: 6px; }
pre::-webkit-scrollbar-track { background: var(--bg-code); border-radius: 0 0 8px 8px; }
pre::-webkit-scrollbar-thumb { background: #3a3a5e; border-radius: 3px; }
pre::-webkit-scrollbar-thumb:hover { background: #4a4a6e; }
pre { scrollbar-width: thin; scrollbar-color: #3a3a5e var(--bg-code); }

/* ===== Tables ===== */
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 14px; }
th { background: var(--bg-table-header); text-align: left; padding: 10px 14px; font-weight: 600; border-bottom: 2px solid var(--border); color: var(--text); }
td { padding: 10px 14px; border-bottom: 1px solid var(--td-border); color: var(--text); }
td:first-child { font-family: 'SF Mono','Fira Code','Consolas',monospace; font-size: 13px; color: var(--td-first-color); }

/* ===== Info/Warn Boxes ===== */
.info-box { background: var(--info-bg); border-left: 4px solid var(--info-border); border-radius: 4px; padding: 12px 16px; margin: 12px 0; font-size: 14px; }
.warn-box { background: var(--warn-bg); border-left: 4px solid var(--warn-border); border-radius: 4px; padding: 12px 16px; margin: 12px 0; font-size: 14px; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .overlay.open { display: block; }
  .content { margin-left: 0; padding: 60px 20px 80px; }
}
@media print {
  .sidebar, .menu-toggle, .overlay, .copy-btn, .theme-toggle { display: none !important; }
  .content { margin-left: 0; max-width: 100%; }
  pre { border: 1px solid #ccc; }
}