:root{
  --bg: #0b1220;
  --bg2:#0e1726;
  --panel:#111c2d;
  --panel2:#0f1a2a;
  --border: rgba(255,255,255,.08);
  --muted: rgba(255,255,255,.62);
  --text: rgba(255,255,255,.92);

  /* ✅ Brand */
  --brand: #2f6bff;
  --brand-gradient: linear-gradient(135deg, var(--brand) 0%, #1b2bff 40%, #00c2ff 100%);

  --ok:#20c997;
  --shadow: 0 18px 40px rgba(0,0,0,.35);
  --r: 14px;
  --r2: 18px;
}

*{ box-sizing:border-box; }
body.app{
  margin:0;
  background: linear-gradient(180deg, var(--bg), var(--bg2));
  color: var(--text);
}

.app-shell{ min-height:100vh; display:flex; }

/* Sidebar */
.app-sidebar{
  width: 270px;
  background: linear-gradient(180deg, #0f1a2a, #0c1422);
  border-right: 1px solid var(--border);
  padding: 14px 12px;
  position: sticky;
  top:0;
  height:100vh;
  overflow:auto;
}

.sidebar-brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 10px 10px 14px 10px;
}

.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background: rgba(47,107,255,.12);
  border: 1px solid rgba(47,107,255,.20);
  display:flex;align-items:center;justify-content:center;
}

/* ✅ Brand Dot: Blau Gradient */
.brand-dot{
  width:14px;height:14px;border-radius:999px;
  background: var(--brand-gradient);
  box-shadow: 0 0 0 8px rgba(47,107,255,.12);
}

.brand-name{ font-weight:900; letter-spacing:.2px; }
.brand-sub{ font-size:.78rem; color: var(--muted); margin-top:-2px; }

.sidebar-section-title{
  font-size:.75rem;
  color: rgba(255,255,255,.45);
  padding: 10px 10px 6px 10px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.sidebar-nav{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding: 0 6px;
}

.sidebar-link{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 10px 10px;
  border-radius: 12px;
  color: rgba(255,255,255,.78);
  text-decoration:none;
  border: 1px solid transparent;
}
.sidebar-link i{ font-size: 1.05rem; opacity:.9; width:22px; text-align:center; }
.sidebar-link:hover{
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.92);
}
.sidebar-link.active{
  background: rgba(47,107,255,.14);
  border-color: rgba(47,107,255,.24);
  color: rgba(255,255,255,.96);
}

.sidebar-divider{
  height:1px;
  background: var(--border);
  margin: 10px 10px;
}

.sidebar-footer{
  margin-top: 16px;
  padding: 10px 6px;
  border-top: 1px solid var(--border);
}

.user-chip{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 10px;
  border-radius: 14px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  margin-bottom: 10px;
}
.user-avatar{
  width:34px;height:34px;border-radius:12px;
  background: rgba(255,255,255,.08);
  border: 1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;
}
.user-email{ font-size:.9rem; font-weight:800; }
.user-role{ font-size:.78rem; color: var(--muted); margin-top:-2px; }
.sidebar-link.logout{ opacity:.9; }

/* Main */
.app-main{ flex:1; min-width:0; }

.app-topbar{
  height: 64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 0 18px;
  background: rgba(17,28,45,.75);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  position: sticky;
  top:0;
  z-index:10;
}

.topbar-left{ display:flex; align-items:center; gap:12px; }
.topbar-title{ font-weight:900; letter-spacing:.2px; }

.topbar-right{ display:flex; align-items:center; gap:10px; }
.topbar-avatar{
  width:34px;height:34px;border-radius:12px;
  background: rgba(255,255,255,.08);
  border: 1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;
}

.app-content{ padding: 18px; }

/* Buttons */
.btn-icon{
  width:38px;height:38px;
  display:inline-flex;
  align-items:center;justify-content:center;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.9);
}
.btn-icon:hover{ background: rgba(255,255,255,.09); }

.btn-ghost{
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.9);
}
.btn-ghost:hover{
  background: rgba(255,255,255,.09);
  color: rgba(255,255,255,.95);
}

/* ✅ Primary Button = Blau Gradient */
.btn-primary{
  border:none;
  border-radius: 12px;
  background: var(--brand-gradient);
  color:#08101f;
  font-weight:900;
}
.btn-primary:hover{ filter:brightness(1.03); }

/* Alerts */
.app-alert{
  display:flex;
  align-items:flex-start;
  gap:10px;
  border-radius: var(--r2);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.92);
}
.alert-success{ border-color: rgba(32,201,151,.22) !important; }
.alert-danger{ border-color: rgba(239,68,68,.22) !important; }

/* Panels / Cards */
.panel{
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  box-shadow: var(--shadow);
}
.panel-header{
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.panel-title{ font-weight:900; }
.panel-body{ padding: 16px; }

.kpi-grid{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.kpi-card{
  padding: 14px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-radius: var(--r2);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.05);
}
.kpi-label{ font-size:.85rem; color: var(--muted); }
.kpi-value{ font-size:1.25rem; font-weight:900; margin-top:2px; }
.kpi-icon{
  width:40px;height:40px;border-radius: 14px;
  display:flex;align-items:center;justify-content:center;
  background: rgba(255,255,255,.08);
  border: 1px solid var(--border);
}

.status-banner{
  border-radius: var(--r2);
  border: 1px solid rgba(0,194,255,.18);
  background: rgba(0,194,255,.08);
  padding: 14px 16px;
  display:flex;
  align-items:center;
  gap:10px;
}

.row-item{
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  padding: 14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
}
.row-left{
  display:flex;
  gap:12px;
  align-items:flex-start;
  min-width:0;
}
.row-left i{
  font-size: 1.1rem;
  width:28px;
  text-align:center;
  color: rgba(0,194,255,.95);
}
.row-title{
  font-weight:900;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.row-sub{
  color: var(--muted);
  font-size:.86rem;
  margin-top:2px;
}
.badge-pill{
  border-radius: 999px;
  padding: .35rem .6rem;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.88);
  font-weight:800;
}

/* Responsive */
@media (max-width: 1200px){
  .kpi-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 992px){
  .app-sidebar{
    position: fixed;
    left: -290px;
    top:0;
    height:100vh;
    z-index:50;
    transition: left .22s ease;
  }
  body.sidebar-open .app-sidebar{ left:0; }
  body.sidebar-open::before{
    content:"";
    position: fixed; inset:0;
    background: rgba(0,0,0,.45);
    z-index:40;
  }
}