:root{
  --blue:#1F5FBF;
  --orange:#F05A28;
  --green:#3CBF6B;
  --red:#D64545;
  --amber:#F4A62A;
  --bg:#F4F6F9;
  --text:#1F2937;
  --muted:#6B7280;
  --border:#D9E0E7;
  --white:#FFFFFF;
  --dark:#3F4A5A;
  --shadow:0 10px 30px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}
code{background:#f2f4f7;padding:2px 6px;border-radius:6px}
h1,h2,h3{margin:0 0 8px}
p{margin:0 0 12px}
.app-shell{display:flex;min-height:100vh}
.sidebar{width:270px;background:var(--dark);color:#fff;padding:26px 18px}
.brand{font-size:30px;font-weight:800;letter-spacing:-0.02em}
.brand-sub{font-size:12px;opacity:.8;margin-top:6px;margin-bottom:22px;line-height:1.4}
.nav{display:grid;gap:8px}
.nav a{padding:12px 14px;border-radius:12px;color:#eef3f8;font-weight:600}
.nav a.active,.nav a:hover{background:rgba(255,255,255,.09)}
.main{flex:1;min-width:0}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;background:#fff;padding:20px 26px;border-bottom:1px solid var(--border)}
.topbar h1{font-size:30px;letter-spacing:-0.02em}
.subtitle{color:var(--muted);font-size:14px}
.user-chip{background:#eef4ff;color:var(--blue);padding:10px 12px;border-radius:999px;font-weight:700}
.content{padding:24px 26px}
.card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:20px;box-shadow:var(--shadow)}
.grid{display:grid;gap:18px}
.grid.two{grid-template-columns:1fr 1fr}
.grid.three{grid-template-columns:repeat(3,1fr)}
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.kpi-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:18px;box-shadow:var(--shadow)}
.kpi-card span{display:block;color:var(--muted);font-size:13px;margin-bottom:10px}
.kpi-card strong{font-size:28px;line-height:1.1}
.kpi-card.success{border-top:4px solid var(--green)}
.kpi-card.warning{border-top:4px solid var(--amber)}
.kpi-card.danger{border-top:4px solid var(--red)}
.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.card-head a{color:var(--blue);font-weight:700;font-size:14px}
.simple-bars{display:grid;gap:12px}
.bar-row{display:grid;grid-template-columns:48px 1fr auto;gap:12px;align-items:center}
.bar-track{height:12px;border-radius:999px;background:#eef2f7;overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--orange))}
.list-stack{display:grid;gap:12px}
.list-item{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:14px;border:1px solid var(--border);border-radius:14px;background:#fcfdff}
.list-item.align-top{align-items:flex-start}
.item-title{font-weight:700}
.item-meta,.item-copy{font-size:13px;color:var(--muted)}
.score-pill,.tag{display:inline-flex;align-items:center;justify-content:center;min-width:46px;padding:8px 10px;border-radius:999px;background:#eef4fb;color:var(--blue);font-weight:800;font-size:12px}
.table-wrap{overflow:auto}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:14px 12px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
.table th{font-size:13px;color:var(--muted);background:#fafcfe}
.inline-link{color:var(--blue);font-weight:700}
.empty-cell{text-align:center;color:var(--muted);padding:24px}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#eef4fb;color:var(--blue);font-size:12px;font-weight:700;text-transform:capitalize}
.actions-row{display:flex;gap:12px;justify-content:flex-end;flex-wrap:wrap}
.page-tools{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:18px}
.mini-kpis{display:flex;gap:12px;flex-wrap:wrap}
.mini-kpi{background:#fff;border:1px solid var(--border);border-radius:14px;padding:12px 14px;box-shadow:var(--shadow)}
.mini-kpi span{display:block;color:var(--muted);font-size:12px}
.mini-kpi strong{font-size:18px}
.profile-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:18px}
.profile-title{font-size:30px;font-weight:800}
.profile-meta{color:var(--muted)}
.stat-lg{font-size:34px;font-weight:800;line-height:1.1}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 16px;border-radius:12px;border:1px solid transparent;font-weight:700;cursor:pointer}
.btn-primary{background:var(--blue);color:#fff}
.btn-secondary{background:#fff;border-color:var(--border);color:var(--text)}
.btn-small{padding:8px 10px;font-size:12px}
.label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}
.input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:12px;background:#fff}
.textarea{resize:vertical}
.form-stack{display:grid;gap:16px}
.form-card{max-width:860px}
.compact-form .input{padding:11px 13px}
.alert{padding:14px 16px;border-radius:12px;margin-bottom:16px}
.alert.success{background:#e9f8ef;color:#166534}
.alert.danger{background:#fdecec;color:#991b1b}
.divider{height:1px;background:var(--border);margin:20px 0}
.helper-note{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.5}
.auth-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(135deg,#eef4fb 0%,#f7f9fc 100%)}
.auth-card{width:100%;max-width:430px;background:#fff;border:1px solid var(--border);border-radius:20px;padding:32px;box-shadow:var(--shadow)}
.auth-brand{color:var(--blue);margin-bottom:10px}
.muted{color:var(--muted)}
.empty{min-height:180px;border:1px dashed var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--muted);background:#fafcfe}
.plain-list{margin:0;padding-left:18px;color:var(--muted);display:grid;gap:8px}
.inline-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
@media (max-width: 1320px){.kpi-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width: 1100px){.grid.two,.grid.three{grid-template-columns:1fr}.kpi-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width: 820px){
  .app-shell{display:block}
  .sidebar{width:100%;padding:18px}
  .topbar,.content{padding:16px}
  .kpi-grid,.grid.two,.grid.three{grid-template-columns:1fr}
  .page-tools,.profile-head{display:block}
  .mini-kpis{margin-bottom:12px}
}

.remember-row{display:flex;align-items:center;gap:10px;font-size:14px;color:#6B7280}

.alert-item.critical{border-left:4px solid #D64545}
.alert-item.warning{border-left:4px solid #F4A62A}
.alert-item.info{border-left:4px solid #1F5FBF}

.oem-stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}

.inline-form{display:flex;align-items:center;gap:8px}
.input-sm{min-width:110px;padding:8px 10px}
.grid.four{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
@media (max-width: 900px){
  .grid.four{grid-template-columns:repeat(2,minmax(0,1fr));}
}
.nav-groups{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.nav-group{
  border-radius:12px;
  overflow:hidden;
  background:rgba(255,255,255,0.03);
}

.nav-group summary{
  list-style:none;
  cursor:pointer;
  padding:12px 14px;
  font-weight:600;
  color:inherit;
  user-select:none;
}

.nav-group summary::-webkit-details-marker{
  display:none;
}

.nav-group summary::after{
  content:"▸";
  float:right;
  transition:transform .2s ease;
}

.nav-group[open] summary::after{
  transform:rotate(90deg);
}

.nav-sub{
  display:flex;
  flex-direction:column;
  padding:0 8px 8px;
}

.nav-sub a{
  display:block;
  padding:10px 12px;
  border-radius:10px;
  text-decoration:none;
}

.nav-sub a.active{
  font-weight:600;
}
.kv{margin:0 0 10px}.kv strong{display:inline-block;min-width:140px}

.quick-links{display:flex;gap:10px;flex-wrap:wrap}
.timeline{display:grid;gap:12px}.timeline-item{display:grid;grid-template-columns:16px 1fr;gap:12px;align-items:flex-start}.timeline-dot{width:12px;height:12px;border-radius:999px;background:var(--blue);margin-top:6px}.timeline-body{border-left:2px solid var(--border);padding-left:14px;padding-bottom:8px}.list-item.critical,.kpi-card.critical{border-left:4px solid var(--red)}.list-item.warning{border-left:4px solid var(--amber)}.list-item.info{border-left:4px solid var(--blue)}

.case-study-card{position:relative}
.case-study-card:before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:linear-gradient(90deg,var(--blue),#6eaaff)}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:16px;
}
.stat-card{
  background:#fff;
  border:1px solid #e5e7eb;
  border-radius:14px;
  padding:16px 18px;
}
.stat-label{
  font-size:12px;
  color:#6b7280;
  margin-bottom:6px;
}
.stat-value{
  font-size:28px;
  font-weight:700;
  line-height:1.1;
}
@media (max-width: 1200px){
  .stats-grid{ grid-template-columns:repeat(3,minmax(0,1fr)); }
}
@media (max-width: 768px){
  .stats-grid{ grid-template-columns:repeat(1,minmax(0,1fr)); }
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:16px;
}
.stat-card{
  background:#fff;
  border:1px solid #d7dce5;
  border-radius:18px;
  padding:16px 18px;
}
.stat-label{
  font-size:13px;
  color:#6b7280;
  margin-bottom:8px;
}
.stat-value{
  font-size:24px;
  font-weight:700;
  color:#1f2937;
}
.table td,
.table th{
  vertical-align:middle;
}
.table td a{
  color:#2563eb !important;
  text-decoration:none;
}
.table td a:hover{
  text-decoration:underline;
}
@media (max-width:1200px){
  .stats-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:768px){
  .stats-grid{grid-template-columns:repeat(1,minmax(0,1fr));}
}
.admin-shell{
  display:flex;
  align-items:flex-start;
  min-height:100vh;
}

.admin-shell > .main{
  flex:1 1 auto;
  min-width:0;
}

.stats-grid{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:16px;
}

.stat-card{
  background:#fff;
  border:1px solid #d7dce5;
  border-radius:18px;
  padding:16px 18px;
}

.stat-label{
  font-size:13px;
  color:#6b7280;
  margin-bottom:8px;
}

.stat-value{
  font-size:24px;
  font-weight:700;
  color:#1f2937;
}

.table td a{
  color:#2563eb !important;
  text-decoration:none;
}

.table td a:hover{
  text-decoration:underline;
}

@media (max-width:1200px){
  .stats-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}

@media (max-width:768px){
  .stats-grid{grid-template-columns:repeat(1,minmax(0,1fr));}
}
.table tbody td{
  color:#1f2937 !important;
}

.table tbody tr{
  background:#fff !important;
}

.table tbody td strong{
  color:#111827 !important;
}