@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@300;400;500;700&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

:root {
  --bg: #0a0c10;
  --surface: #111318;
  --surface2: #181c24;
  --border: #1e2530;
  --border2: #2a3140;
  --accent: #00d4aa;
  --accent2: #0099ff;
  --accent3: #ff6b35;
  --warn: #ffd166;
  --error: #ef4444;
  --text: #e2e8f0;
  --text2: #8899aa;
  --text3: #556677;
  --code-bg: #0d1117;
  --radius: 8px;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-sans: 'IBM Plex Sans', sans-serif;
  --nav-width: 260px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  font-size: 16px;
  display: flex;
  min-height: 100vh;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }

/* ══════════════════════════════
   SIDEBAR NAV
══════════════════════════════ */
#sidebar {
  width: var(--nav-width);
  min-height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border);
  position: fixed;
  top: 0; left: 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
  transition: transform 0.25s ease;
}

.sidebar-logo {
  padding: 24px 20px 22px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  overflow: visible;
}
.sidebar-logo a {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 20px;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0px;
  line-height: 1.4;
  overflow: visible;
}
.sidebar-logo a span { color: var(--accent); }
.logo-dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:0.4;transform:scale(0.75)}
}
.sidebar-tagline {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text3);
  margin-top: 6px;
  letter-spacing: 0.5px;
}

/* Search in sidebar */
.sidebar-search {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.sidebar-search input {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 6px;
  padding: 8px 10px 8px 30px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  outline: none;
  transition: border-color 0.15s;
}
.sidebar-search input::placeholder { color: var(--text3); }
.sidebar-search input:focus { border-color: var(--accent); }
.sidebar-search .s-icon {
  position: absolute;
  left: 25px; top: 50%;
  transform: translateY(-50%);
  color: var(--text3);
  font-size: 13px;
  pointer-events: none;
}

/* Nav groups */
nav { flex: 1; padding: 10px 0 20px; }
.nav-group { margin-bottom: 4px; }
.nav-group-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text3);
  padding: 10px 20px 4px;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  color: var(--text2);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.12s;
  border-left: 2px solid transparent;
  position: relative;
}
.nav-link:hover {
  color: var(--text);
  background: rgba(255,255,255,0.03);
  border-left-color: var(--border2);
}
.nav-link.active {
  color: var(--accent);
  background: rgba(0,212,170,0.06);
  border-left-color: var(--accent);
}
.nav-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.nav-badge {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--surface2);
  color: var(--text3);
  border: 1px solid var(--border);
}
.nav-link.active .nav-badge {
  background: rgba(0,212,170,0.12);
  color: var(--accent);
  border-color: rgba(0,212,170,0.3);
}

/* Collapsible nav groups */
.nav-group-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px 4px;
  cursor: pointer;
  user-select: none;
  list-style: none;
}
.nav-group-toggle::-webkit-details-marker { display: none; }
.nav-group-toggle .nav-group-label-text {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text3);
}
.nav-group-toggle .nav-toggle-arrow {
  font-size: 9px;
  color: var(--text3);
  transition: transform 0.2s;
  line-height: 1;
}
details.nav-group-collapsible[open] > summary .nav-toggle-arrow {
  transform: rotate(90deg);
}
details.nav-group-collapsible[open] > summary .nav-group-label-text,
details.nav-group-collapsible > summary:hover .nav-group-label-text {
  color: var(--text2);
}

/* Sidebar footer */
.sidebar-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text3);
  flex-shrink: 0;
}

/* ══════════════════════════════
   MAIN CONTENT AREA
══════════════════════════════ */
#main {
  margin-left: var(--nav-width);
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* Top bar */
#topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  gap: 16px;
}
.topbar-breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text3);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.topbar-breadcrumb .crumb { color: var(--text2); }
.topbar-breadcrumb .sep { color: var(--text3); }
.topbar-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text3);
  display: flex;
  gap: 16px;
  align-items: center;
  white-space: nowrap;
}
.topbar-meta .pill {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
  color: var(--text2);
}

/* Hamburger for mobile */
#hamburger {
  display: none;
  background: none;
  border: 1px solid var(--border2);
  border-radius: 6px;
  width: 34px; height: 34px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-shrink: 0;
}
#hamburger span {
  width: 16px; height: 2px;
  background: var(--text2);
  border-radius: 2px;
  display: block;
}

/* Page content */
.page-content {
  padding: 40px 40px 80px;
  max-width: 960px;
}

/* ══════════════════════════════
   AD SLOTS
══════════════════════════════ */
.ad-slot {
  width: 100%;
  overflow: hidden;
}
.ad-slot--header {
  margin: 0 0 36px 0;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.ad-slot--footer {
  margin: 48px 0 0 0;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
/* ══════════════════════════════
   SHARED COMPONENTS
══════════════════════════════ */

/* Page header */
.page-header {
  margin-bottom: 40px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.page-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.page-header h1 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 14px;
}
.page-header h1 em { color: var(--accent); font-style: normal; }
.page-header p {
  font-size: 15px;
  color: var(--text2);
  max-width: 640px;
  line-height: 1.7;
}
.page-meta {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.meta-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 4px;
  border: 1px solid var(--border2);
  color: var(--text3);
  background: var(--surface2);
}

/* Section */
.section { margin-bottom: 56px; scroll-margin-top: 70px; }
.section-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}
.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Tabs */
.tabs { display: flex; gap: 2px; margin-bottom: 0; flex-wrap: wrap; border-bottom: 1px solid var(--border); }
.tab-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 9px 16px;
  border: 1px solid transparent;
  background: none;
  color: var(--text3);
  cursor: pointer;
  transition: all 0.12s;
  border-radius: 6px 6px 0 0;
  border-bottom: none;
  position: relative;
  bottom: -1px;
}
.tab-btn:hover { color: var(--text2); }
.tab-btn.active {
  background: var(--surface2);
  color: var(--accent);
  border-color: var(--border);
  border-bottom-color: var(--surface2);
}
.tab-panel { display: none; background: var(--surface2); border: 1px solid var(--border); border-top: none; border-radius: 0 0 var(--radius) var(--radius); padding: 24px; }
.tab-panel.active { display: block; }

/* Code blocks */
.code-block {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  overflow-x: auto;
  position: relative;
  margin: 16px 0;
}
.code-block pre { white-space: pre-wrap; word-break: break-all; }
.code-lang {
  position: absolute;
  top: 10px; right: 70px;
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.copy-btn {
  position: absolute;
  top: 8px; right: 10px;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 4px;
  color: var(--text3);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 3px 9px;
  cursor: pointer;
  transition: all 0.12s;
}
.copy-btn:hover { color: var(--accent); border-color: var(--accent); }

/* Syntax colors */
.c-green  { color: #4ade80; }
.c-blue   { color: #60a5fa; }
.c-yellow { color: #fbbf24; }
.c-orange { color: #fb923c; }
.c-red    { color: #f87171; }
.c-purple { color: #c084fc; }
.c-cyan   { color: #22d3ee; }
.c-gray   { color: var(--text3); }
.c-accent { color: var(--accent); }
.c-white  { color: #f8fafc; }

/* Annotated log lines */
.annotated {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  margin: 16px 0;
  overflow-x: auto;
}
.log-line { display: flex; flex-wrap: wrap; gap: 2px; margin-bottom: 18px; line-height: 2; }
.seg { display: inline-block; padding: 2px 6px; border-radius: 3px; white-space: nowrap; }
.seg-ip    { background: rgba(74,222,128,0.15); color: #4ade80; }
.seg-date  { background: rgba(251,191,36,0.15); color: #fbbf24; }
.seg-method{ background: rgba(96,165,250,0.15); color: #60a5fa; }
.seg-path  { background: rgba(192,132,252,0.15); color: #c084fc; }
.seg-status{ background: rgba(251,146,60,0.15); color: #fb923c; }
.seg-bytes { background: rgba(34,211,238,0.15); color: #22d3ee; }
.seg-ref   { background: rgba(248,113,113,0.15); color: #f87171; }
.seg-ua    { background: rgba(163,163,163,0.15); color: #a3a3a3; }
.seg-host  { background: rgba(0,212,170,0.15); color: var(--accent); }
.seg-level { background: rgba(239,68,68,0.15); color: #f87171; }
.seg-msg   { background: rgba(255,255,255,0.06); color: var(--text2); }
.legend { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.legend-item { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; color: var(--text3); }
.legend-swatch { width: 10px; height: 10px; border-radius: 2px; }

/* Tables */
.field-table { width: 100%; border-collapse: collapse; font-size: 13px; margin: 16px 0; }
.field-table th {
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 9px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text2);
  letter-spacing: 0.5px;
}
.field-table td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  vertical-align: top;
  line-height: 1.5;
  color: var(--text2);
}
.field-table tr:nth-child(even) td { background: rgba(255,255,255,0.02); }
.field-table td:first-child { font-family: var(--font-mono); color: var(--accent); font-size: 12px; white-space: nowrap; }
.field-table tr:hover td { background: rgba(0,212,170,0.03); }

/* Status grid */
.status-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 8px; margin: 12px 0; }
.status-item { background: var(--surface2); border: 1px solid var(--border); border-radius: 6px; padding: 12px 14px; display: flex; gap: 10px; align-items: flex-start; }
.status-code { font-family: var(--font-mono); font-size: 16px; font-weight: 700; min-width: 40px; }
.s2xx { color: #4ade80; } .s3xx { color: #60a5fa; } .s4xx { color: #fbbf24; } .s5xx { color: #f87171; }
.status-name { font-size: 13px; color: var(--text); font-weight: 600; margin-bottom: 3px; }
.status-desc { font-size: 12px; color: var(--text2); line-height: 1.5; }

/* Alert boxes */
.alert { border-left: 3px solid; border-radius: 0 var(--radius) var(--radius) 0; padding: 13px 16px; margin: 16px 0; font-size: 14px; line-height: 1.6; }
.alert-tip   { border-color: var(--accent);  background: rgba(0,212,170,0.06); }
.alert-warn  { border-color: var(--warn);    background: rgba(255,209,102,0.06); }
.alert-error { border-color: var(--error);   background: rgba(239,68,68,0.06); }
.alert-info  { border-color: var(--accent2); background: rgba(0,153,255,0.06); }
.alert-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 5px; font-weight: 700; }
.alert-tip   .alert-label { color: var(--accent); }
.alert-warn  .alert-label { color: var(--warn); }
.alert-error .alert-label { color: var(--error); }
.alert-info  .alert-label { color: var(--accent2); }

/* Collapsible */
details { margin: 10px 0; }
summary { background: var(--surface2); border: 1px solid var(--border); border-radius: 6px; padding: 12px 16px; cursor: pointer; font-size: 14px; font-weight: 600; list-style: none; display: flex; align-items: center; gap: 8px; user-select: none; transition: all 0.12s; }
summary:hover { border-color: var(--border2); color: var(--accent); }
summary::before { content: '▶'; font-size: 10px; color: var(--text3); transition: transform 0.2s; }
details[open] summary::before { transform: rotate(90deg); }
details[open] summary { border-radius: 6px 6px 0 0; }
.details-body { background: var(--code-bg); border: 1px solid var(--border); border-top: none; border-radius: 0 0 6px 6px; padding: 20px; }

/* Typography helpers */
h3.sub  { font-size: 16px; font-weight: 700; margin: 24px 0 12px; color: var(--text); }
h4.sub2 { font-size: 13px; font-weight: 600; margin: 20px 0 10px; color: var(--accent); font-family: var(--font-mono); letter-spacing: 0.5px; }
p.body  { font-size: 14px; color: var(--text2); line-height: 1.75; margin-bottom: 14px; }
code    { font-family: var(--font-mono); font-size: 12px; background: var(--surface2); border: 1px solid var(--border); padding: 1px 6px; border-radius: 3px; color: var(--accent); }

/* Back to top */
#back-to-top { position: fixed; bottom: 24px; right: 24px; background: var(--surface); border: 1px solid var(--border2); border-radius: 8px; width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--text2); transition: all 0.15s; opacity: 0; pointer-events: none; font-size: 16px; z-index: 50; }
#back-to-top.visible { opacity: 1; pointer-events: all; }
#back-to-top:hover { border-color: var(--accent); color: var(--accent); }

/* Search results dropdown */
#search-dropdown { display: none; position: absolute; top: calc(100% + 4px); left: 0; right: 0; background: var(--surface); border: 1px solid var(--border2); border-radius: var(--radius); z-index: 300; max-height: 320px; overflow-y: auto; box-shadow: 0 16px 48px rgba(0,0,0,0.6); }
.sr-item { padding: 12px 16px; border-bottom: 1px solid var(--border); cursor: pointer; transition: background 0.1s; text-decoration: none; display: block; }
.sr-item:hover { background: var(--surface2); }
.sr-title { font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.sr-sub { font-family: var(--font-mono); font-size: 11px; color: var(--text3); }
.sr-empty { padding: 16px; color: var(--text3); font-size: 13px; text-align: center; }

/* Overlay for mobile sidebar */
#overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 90; }

/* ══════════════════════════════
   RESPONSIVE
══════════════════════════════ */
@media (max-width: 900px) {
  :root { --nav-width: 260px; }
  #sidebar { transform: translateX(-100%); }
  #sidebar.open { transform: translateX(0); }
  #main { margin-left: 0; }
  #hamburger { display: flex; }
  .page-content { padding: 24px 20px 60px; }
  #topbar { padding: 0 16px; }
  #overlay.show { display: block; }
}
@media (max-width: 560px) {
  .status-grid { grid-template-columns: 1fr; }
  .tabs { gap: 4px; }
  .tab-btn { font-size: 11px; padding: 7px 10px; }
}