:root{
  --primary: #139bd7;
  --primary-dark: #0e7bab;
  --primary-tint: #e6f4fb;
  --secondary: #444444;
  --admin-accent: #139bd7;
  --store-accent: #2f7d68;
  --store-tint: #e9f5f1;
  --bg: #f4f7f9;
  --surface: #ffffff;
  --border: #e2e8ec;
  --text: #24292d;
  --text-muted: #6b7580;
  --text-faint: #98a1a8;
  --code-bg: #1f2933;
  --code-text: #d7e2ea;
  --radius: 10px;
  --font-head: "El Messiri", "Segoe UI", sans-serif;
  --font-body: "Exo 2", "Segoe UI", sans-serif;
  --sidebar-w: 300px;
}

*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

a{color:var(--primary-dark);}

.app{
  display:flex;
  height:100vh;
  overflow:hidden;
}

/* ============ SIDEBAR ============ */
.sidebar{
  width:var(--sidebar-w);
  flex-shrink:0;
  background:var(--secondary);
  border-right:1px solid var(--border);
  display:flex;
  flex-direction:column;
  height:100vh;
  overflow-y:auto;
  z-index:40;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding:22px 20px 16px;
  border-bottom:1px solid var(--border);
  text-decoration:none;
  cursor:pointer;
  transition:opacity .12s;
}
.brand:hover{ opacity:.75; }
.brand-mark{ flex-shrink:0; }
.brand-text{ display:flex; flex-direction:column; line-height:1.25; }
.brand-title{
  font-family:var(--font-head);
  font-weight:700;
  font-size:17px;
  color:var(--bg);
  letter-spacing:.2px;
}
.brand-sub{
  font-size:17px;
  text-transform:uppercase;
  letter-spacing:1.5px;
  color:var(--primary);
  font-weight:600;
  margin-top:2px;
}

.search-box{
  margin:16px 16px 6px;
  position:relative;
  display:flex;
  align-items:center;
}
.search-icon{
  position:absolute;
  left:11px;
  color:var(--text-faint);
  pointer-events:none;
}
.search-box input{
  width:100%;
  padding:9px 12px 9px 32px;
  border-radius:8px;
  border:1px solid var(--border);
  background:var(--bg);
  font-family:var(--font-body);
  font-size:17px;
  color:var(--text);
  outline:none;
  transition:border-color .15s, background .15s;
}
.search-box input:focus{
  border-color:var(--primary);
  background:var(--surface);
}

.nav{
  flex:1;
  padding:10px 12px 20px;
}

.nav-group{ margin-top:18px; }
.nav-group:first-child{ margin-top:8px; }

.nav-group-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:6px 8px;
  font-family:var(--font-head);
  font-size:17px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:1.2px;
  color:var(--border);
  cursor:pointer;
  user-select:none;
  border-radius:6px;
}
.nav-group-head:hover{ background:var(--bg); }
.nav-group-head .dot-tag{
  width:8px; height:8px; border-radius:50%;
  display:inline-block; margin-right:8px;
}
.nav-group[data-cat="admin"] .dot-tag{ background:var(--admin-accent); }
.nav-group[data-cat="store"] .dot-tag{ background:var(--store-accent); }

.nav-group-head .count{
  font-weight:600;
  font-size:17px;
  color:var(--text-faint);
  background:var(--bg);
  border-radius:20px;
  padding:1px 7px;
}
.nav-group-head .chev{
  transition:transform .18s;
  color:var(--text-faint);
  margin-left:4px;
}
.nav-group.collapsed .chev{ transform:rotate(-90deg); }
.nav-group.collapsed .nav-list{ display:none; }

.nav-list{
  list-style:none;
  margin:4px 0 0;
  padding:0 0 0 4px;
  border-left:1px solid var(--border);
  margin-left:12px;
}

.nav-item{ margin:1px 0; }
.nav-link{
  display:flex;
  align-items:baseline;
  gap:8px;
  padding:7px 10px 7px 14px;
  margin-left:-1px;
  border-left:2px solid transparent;
  text-decoration:none;
  color:var(--bg);
  font-size:16px;
  border-radius:0 6px 6px 0;
  transition:background .12s, color .12s, border-color .12s;
}
.nav-link .n-order{
  font-family:var(--font-body);
  font-size:17px;
  color:var(--text-faint);
  min-width:16px;
}
.nav-link:hover{
  background:var(--bg);
  color:var(--secondary);
}
.nav-link.active{
  background:var(--primary-tint);
  border-left-color:var(--primary);
  color:var(--primary-dark);
  font-weight:600;
}
.nav-group[data-cat="store"] .nav-link.active{
  background:var(--store-tint);
  border-left-color:var(--store-accent);
  color:var(--store-accent);
}

.nav-empty{
  padding:10px 12px;
  font-size:17px;
  color:var(--text-faint);
  font-style:italic;
}

.sidebar-foot{
  padding:12px 20px 18px;
  border-top:1px solid var(--border);
  font-size:16px;
  color:var(--text-faint);
  font-family:"SFMono-Regular", Consolas, monospace;
}
.sidebar-foot .dot{ margin:0 4px; }

.sidebar-scrim{
  display:none;
  position:fixed; inset:0;
  background:rgba(20,24,28,.4);
  z-index:30;
}

/* ============ MAIN ============ */
.main{
  flex:1;
  min-width:0;
  height:100vh;
  display:flex;
  flex-direction:column;
}

.topbar{
  display:flex;
  align-items:center;
  gap:14px;
  padding:0 24px;
  height:56px;
  border-bottom:1px solid var(--border);
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(6px);
  flex-shrink:0;
}
.menu-btn{
  display:none;
  background:none;
  border:1px solid var(--border);
  border-radius:8px;
  width:34px; height:34px;
  align-items:center;
  justify-content:center;
  color:var(--secondary);
  cursor:pointer;
}
.crumb{
  font-family:"SFMono-Regular", Consolas, monospace;
  font-size:17px;
  color:var(--text-muted);
  letter-spacing:.2px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  text-decoration:none;
  cursor:pointer;
}
.crumb:hover .seg-cur,
.crumb:hover{ color:var(--primary-dark); }
.crumb .seg-cur{ color:var(--secondary); font-weight:600; }
.crumb .sep{ color:var(--text-faint); margin:0 6px; }

.topbar-actions{ margin-left:auto; display:flex; gap:8px; }
.prevnext{
  width:32px; height:32px;
  border-radius:8px;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--secondary);
  display:flex; align-items:center; justify-content:center;
  cursor:pointer;
  transition:background .12s, border-color .12s;
}
.prevnext:hover{ background:var(--primary-tint); border-color:var(--primary); color:var(--primary-dark); }
.prevnext:disabled{ opacity:.35; cursor:default; }
.prevnext:disabled:hover{ background:var(--surface); border-color:var(--border); color:var(--secondary); }

.content-scroll{
  flex:1;
  overflow-y:auto;
  padding:44px 48px 90px;
}

/* ============ LANDING ============ */
.landing{ max-width:820px; margin:0 auto; }
.landing-path{
  font-family:"SFMono-Regular", Consolas, monospace;
  font-size:17px;
  color:var(--primary);
  letter-spacing:.5px;
  margin-bottom:14px;
}
.landing h1{
  font-family:var(--font-head);
  font-size:44px;
  font-weight:700;
  line-height:1.15;
  color:var(--secondary);
  margin:0 0 20px;
}
.landing-lede{
  font-size:17px;
  color:var(--text-muted);
  max-width:640px;
  margin:0 0 40px;
}
.landing-lede strong{ color:var(--secondary); }

.landing-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  margin-bottom:34px;
}
.landing-card{
  text-align:left;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:14px;
  padding:26px 24px;
  cursor:pointer;
  display:flex;
  flex-direction:column;
  gap:6px;
  transition:border-color .15s, transform .15s, box-shadow .15s;
  font-family:var(--font-body);
}
.landing-card:hover{
  border-color:var(--primary);
  transform:translateY(-2px);
  box-shadow:0 10px 24px -12px rgba(19,155,215,.35);
}
.landing-card-index{
  font-family:var(--font-head);
  font-size:17px;
  font-weight:700;
  color:var(--primary);
  letter-spacing:1px;
}
.landing-card-title{
  font-family:var(--font-head);
  font-size:22px;
  font-weight:700;
  color:var(--secondary);
}
.landing-card-desc{
  font-size:17px;
  color:var(--text-muted);
  line-height:1.55;
}
.landing-card-count{
  margin-top:8px;
  font-size:17px;
  font-weight:600;
  color:var(--primary-dark);
}

.landing-legend{ display:flex; gap:20px; }
.legend-item{ display:flex; align-items:center; gap:7px; font-size:17px; color:var(--text-faint); }
.swatch{ width:10px; height:10px; border-radius:3px; display:inline-block; }
.swatch-primary{ background:var(--primary); }
.swatch-secondary{ background:var(--secondary); }

/* ============ DOC VIEW ============ */
.doc{ max-width:820px; margin:0 auto; }
.doc-path{
  font-family:"SFMono-Regular", Consolas, monospace;
  font-size:17px;
  color:var(--primary);
  margin-bottom:12px;
  letter-spacing:.3px;
}
.doc-title{
  font-family:var(--font-head);
  font-size:34px;
  font-weight:700;
  color:var(--secondary);
  margin:0 0 30px;
  padding-bottom:22px;
  border-bottom:1px solid var(--border);
}

.doc-body h2{
  font-family:var(--font-head);
  font-size:22px;
  font-weight:600;
  color:var(--secondary);
  margin:40px 0 14px;
  padding-top:4px;
}
.doc-body h2::before{
  content:"";
  display:inline-block;
  width:5px; height:18px;
  background:var(--primary);
  border-radius:2px;
  margin-right:10px;
  vertical-align:-2px;
}
.doc-body h3{
  font-family:var(--font-head);
  font-size:17px;
  font-weight:600;
  color:var(--secondary);
  margin:28px 0 10px;
}
.doc-body p{ margin:0 0 15px; color:var(--text); }
.doc-body ul, .doc-body ol{ margin:0 0 16px; padding-left:22px; color:var(--text); }
.doc-body li{ margin:0 0 7px; }
.doc-body li::marker{ color:var(--primary); font-weight:600; }
.doc-body strong{ color:var(--secondary); font-weight:700; }
.doc-body hr{ border:none; border-top:1px solid var(--border); margin:34px 0; }

.doc-body code{
  font-family:"SFMono-Regular", Consolas, monospace;
  font-size:.86em;
  background:var(--primary-tint);
  color:var(--primary-dark);
  padding:2px 6px;
  border-radius:5px;
}
.doc-body pre{
  background:var(--code-bg);
  color:var(--code-text);
  padding:18px 20px;
  border-radius:10px;
  overflow-x:auto;
  margin:0 0 20px;
  line-height:1.55;
}
.doc-body pre code{
  background:none;
  color:inherit;
  padding:0;
  font-size:17px;
}

.table-wrap{ overflow-x:auto; margin:0 0 22px; border:1px solid var(--border); border-radius:10px; }
.doc-body table{ border-collapse:collapse; width:100%; font-size:17px; }
.doc-body thead th{
  background:var(--secondary);
  color:#fff;
  font-family:var(--font-head);
  font-weight:600;
  text-align:left;
  padding:10px 14px;
  white-space:nowrap;
}
.doc-body td{
  padding:9px 14px;
  border-top:1px solid var(--border);
  vertical-align:top;
}
.doc-body tbody tr:nth-child(even){ background:#fafcfd; }

.wikilink{
  display:inline-flex;
  align-items:center;
  gap:4px;
  background:var(--primary-tint);
  color:var(--primary-dark) !important;
  padding:1px 9px 1px 8px;
  border-radius:20px;
  font-size:.85em;
  font-weight:600;
  text-decoration:none;
  border:1px solid transparent;
  transition:border-color .12s, background .12s;
}
.wikilink:hover{ border-color:var(--primary); }
.wikilink::before{ content:"→"; font-size:.9em; }
.wikilink-missing{
  background:var(--bg);
  color:var(--text-faint) !important;
  cursor:default;
  border:1px dashed var(--border);
}
.wikilink-missing::before{ content:"—"; }

.doc-footer{ margin-top:56px; padding-top:20px; border-top:1px solid var(--border); }
.doc-footer-nav{ display:flex; justify-content:space-between; gap:16px; }
.doc-footer-link{
  flex:1;
  max-width:48%;
  text-decoration:none;
  border:1px solid var(--border);
  border-radius:10px;
  padding:12px 16px;
  display:flex;
  flex-direction:column;
  gap:3px;
  transition:border-color .15s, background .15s;
}
.doc-footer-link:hover{ border-color:var(--primary); background:var(--primary-tint); }
.doc-footer-link.right{ text-align:right; align-items:flex-end; margin-left:auto; }
.ffl-label{ font-size:17px; text-transform:uppercase; letter-spacing:1px; color:var(--text-faint); font-weight:600; }
.ffl-title{ font-family:var(--font-head); font-size:17px; color:var(--secondary); font-weight:600; }

/* ============ RESPONSIVE ============ */
@media (max-width:920px){
  .sidebar{
    position:fixed;
    top:0; left:0;
    transform:translateX(-100%);
    transition:transform .22s ease;
    box-shadow:0 0 40px rgba(0,0,0,.15);
  }
  .sidebar.open{ transform:translateX(0); }
  .sidebar-scrim.show{ display:block; }
  .menu-btn{ display:flex; }
  .content-scroll{ padding:32px 20px 70px; }
  .landing h1{ font-size:32px; }
  .landing-grid{ grid-template-columns:1fr; }
  .doc-title{ font-size:26px; }
}