@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

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

:root {
  --bg:         #0e1117;
  --bg-sidebar: #080b10;
  --bg-card:    #161b27;
  --bg-code:    #0a0e18;
  --border:     #1f2a3d;
  --border-2:   #2a3650;

  --text:       #c9d4e8;
  --text-dim:   #6b7a99;
  --text-head:  #e8eef8;

  --amber:      #f0a63a;
  --amber-dim:  #a8712a;
  --amber-glow: rgba(240,166,58,0.12);
  --green:      #3dd68c;
  --green-dim:  rgba(61,214,140,0.15);
  --red:        #ff6b6b;
  --blue:       #60a5fa;

  --sidebar-w: 260px;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
  --font-body: 'IBM Plex Sans', 'Segoe UI', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 15px;
}

a { color: var(--amber); text-decoration: none; }
a:hover { color: #ffd07a; text-decoration: underline; }

/* ── Layout ─────────────────────────────────────────── */
.layout { display: flex; min-height: 100vh; }

/* ── Sidebar ─────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-brand {
  padding: 24px 20px 18px;
  border-bottom: 1px solid var(--border);
}

.sidebar-brand .cluster-name {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  color: var(--amber);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-brand .cluster-name::before {
  content: '';
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.sidebar-brand .subtitle {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 4px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.sidebar-brand .org-tag {
  display: inline-block;
  margin-top: 10px;
  padding: 2px 8px;
  background: var(--amber-glow);
  border: 1px solid var(--amber-dim);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--amber);
  letter-spacing: 0.08em;
}

.sidebar-nav { padding: 16px 0; flex: 1; }

.nav-section {
  margin-bottom: 8px;
}

.nav-section-label {
  padding: 6px 20px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  color: var(--text-dim);
  font-size: 13.5px;
  border-left: 3px solid transparent;
  transition: all 0.15s;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(255,255,255,0.04);
  text-decoration: none;
}

.nav-link.active {
  color: var(--amber);
  background: var(--amber-glow);
  border-left-color: var(--amber);
}

.nav-link .icon { font-size: 14px; width: 18px; text-align: center; }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-dim);
}

.sidebar-footer .version {
  font-family: var(--font-mono);
  color: var(--text-dim);
}

/* ── Main content ────────────────────────────────────── */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  background: var(--bg-sidebar);
  border-bottom: 1px solid var(--border);
  padding: 12px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}

.topbar-breadcrumb span { color: var(--amber); }

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-dim);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 500;
}

.badge-green {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(61,214,140,0.3);
}

.content {
  padding: 48px 56px 80px;
  max-width: 900px;
}

/* ── Typography ──────────────────────────────────────── */
.page-header {
  margin-bottom: 40px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-head);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.page-header .lead {
  margin-top: 12px;
  font-size: 16px;
  color: var(--text-dim);
  line-height: 1.6;
  max-width: 680px;
}

.page-header .meta {
  margin-top: 16px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-head);
  margin: 40px 0 16px;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}

h2::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 20px;
  background: var(--amber);
  border-radius: 2px;
}

h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-head);
  margin: 28px 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-mono);
}

p { margin-bottom: 14px; color: var(--text); }

ul, ol { padding-left: 20px; margin-bottom: 14px; }
li { margin-bottom: 6px; }

/* ── Code blocks ─────────────────────────────────────── */
pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px 24px;
  overflow-x: auto;
  margin: 16px 0 24px;
  position: relative;
}

pre .cmd-label {
  position: absolute;
  top: 0; right: 0;
  background: var(--border);
  color: var(--text-dim);
  font-size: 10px;
  font-family: var(--font-mono);
  padding: 3px 10px;
  border-radius: 0 6px 0 4px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

code {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--text);
  line-height: 1.7;
}

.comment { color: var(--text-dim); }
.kw      { color: #c792ea; }
.str     { color: #c3e88d; }
.flag    { color: var(--blue); }
.prompt  { color: var(--amber); user-select: none; }
.output  { color: var(--text-dim); }
.hl      { color: var(--green); }

:not(pre) > code {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 6px;
  font-size: 13px;
  color: var(--amber);
}

/* ── Cards ───────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 16px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 20px 0;
}

.spec-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.spec-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--amber), transparent);
}

.spec-card .spec-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  font-family: var(--font-mono);
  margin-bottom: 6px;
}

.spec-card .spec-value {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--amber);
}

.spec-card .spec-sub {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 3px;
}

/* ── Callouts ────────────────────────────────────────── */
.callout {
  border-radius: 6px;
  padding: 16px 20px;
  margin: 20px 0;
  border-left: 4px solid;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.callout-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.callout-body { flex: 1; }
.callout-body strong { display: block; margin-bottom: 4px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; }

.callout-warning {
  background: rgba(240,166,58,0.08);
  border-color: var(--amber);
}
.callout-warning .callout-icon { color: var(--amber); }
.callout-warning strong { color: var(--amber); }

.callout-info {
  background: rgba(96,165,250,0.08);
  border-color: var(--blue);
}
.callout-info .callout-icon { color: var(--blue); }
.callout-info strong { color: var(--blue); }

.callout-success {
  background: var(--green-dim);
  border-color: var(--green);
}
.callout-success .callout-icon { color: var(--green); }
.callout-success strong { color: var(--green); }

.callout-danger {
  background: rgba(255,107,107,0.08);
  border-color: var(--red);
}
.callout-danger .callout-icon { color: var(--red); }
.callout-danger strong { color: var(--red); }

/* ── Tables ──────────────────────────────────────────── */
.table-wrap { overflow-x: auto; margin: 16px 0 24px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

th {
  background: var(--bg-code);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 10px 16px;
  text-align: left;
  border: 1px solid var(--border);
}

td {
  padding: 10px 16px;
  border: 1px solid var(--border);
  color: var(--text);
}

tr:nth-child(even) td { background: rgba(255,255,255,0.02); }
tr:hover td { background: var(--amber-glow); }

td code { font-size: 12px; }

/* ── Home page specifics ─────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg) 100%);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 40px;
  margin-bottom: 40px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: 'pasteur';
  position: absolute;
  right: -20px; bottom: -30px;
  font-family: var(--font-mono);
  font-size: 120px;
  font-weight: 700;
  color: rgba(240,166,58,0.04);
  pointer-events: none;
  letter-spacing: -4px;
}

.hero h1 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-head);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.hero h1 span { color: var(--amber); }

.hero p {
  font-size: 16px;
  color: var(--text-dim);
  margin: 16px 0 28px;
  max-width: 560px;
}

.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none !important;
}

.btn-primary {
  background: var(--amber);
  color: #0e1117;
}
.btn-primary:hover { background: #ffd07a; }

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-2);
}
.btn-secondary:hover { border-color: var(--amber); color: var(--amber); }

.quick-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin: 24px 0;
}

.quick-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none !important;
}

.quick-link:hover {
  border-color: var(--amber);
  background: var(--amber-glow);
  transform: translateY(-1px);
}

.quick-link .ql-icon { font-size: 20px; }
.quick-link .ql-title { font-weight: 600; color: var(--text-head); font-size: 14px; }
.quick-link .ql-desc { font-size: 12px; color: var(--text-dim); line-height: 1.4; }

/* ── Storage diagram ─────────────────────────────────── */
.fs-tree {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 2;
  margin: 20px 0;
}

.fs-tree .dir { color: var(--blue); }
.fs-tree .file { color: var(--text); }
.fs-tree .desc { color: var(--text-dim); font-size: 12px; }
.fs-tree .tree { color: var(--border-2); }
.fs-tree .mount { color: var(--green); font-size: 11px; }

/* ── Partition table chips ───────────────────────────── */
.chip {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 500;
}

.chip-amber { background: var(--amber-glow); color: var(--amber); border: 1px solid var(--amber-dim); }
.chip-green { background: var(--green-dim); color: var(--green); }
.chip-blue  { background: rgba(96,165,250,0.15); color: var(--blue); }
.chip-red   { background: rgba(255,107,107,0.15); color: var(--red); }

/* ── Mobile hamburger ────────────────────────────────── */
.hamburger {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
}

.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 90;
}

/* ── Footer ──────────────────────────────────────────── */
.page-footer {
  margin-top: auto;
  padding: 20px 56px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-dim);
}

.page-footer a { color: var(--text-dim); }
.page-footer a:hover { color: var(--amber); text-decoration: none; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .overlay.open { display: block; }
  .main { margin-left: 0; }
  .content { padding: 28px 20px 60px; }
  .topbar { padding: 10px 20px; }
  .hamburger { display: block; }
  .page-footer { padding: 16px 20px; flex-direction: column; gap: 6px; text-align: center; }
  .hero { padding: 28px 24px; }
  .hero h1 { font-size: 26px; }
}

/* ── Scrollbar ───────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }