:root{
  --sia-green:#0f8a5f;
  --sia-green-2:#0b6d4a;
  --sia-bg:#f6f8fb;
  --card:#ffffff;
  --border:#e6ebf2;
  --text:#0f172a;
  --muted:#64748b;
}
*{box-sizing:border-box}
body{background:var(--sia-bg); color:var(--text);}
.app-shell{display:flex; min-height:100vh;}
.app-sidebar{
  width:290px;
  background:linear-gradient(180deg, #0f8a5f 0%, #0b6d4a 100%);
  color:#fff; display:flex; flex-direction:column;
  padding:18px; position:sticky; top:0; height:100vh;
}
.sidebar-brand{display:flex; gap:12px; align-items:center; padding:8px 8px 16px; border-bottom:1px solid rgba(255,255,255,.14);}
.brand-badge{width:44px;height:44px;border-radius:14px;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;font-size:20px;}
.brand-name{font-weight:700; letter-spacing:.2px; line-height:1.1}
.brand-sub{opacity:.9; font-size:12px; line-height:1.2}
.sidebar-user{display:flex; align-items:center; gap:10px; padding:14px 8px; border-bottom:1px solid rgba(255,255,255,.14);}
.user-avatar{width:38px;height:38px;border-radius:14px;background:rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;font-weight:700;}
.user-meta{flex:1}
.user-name{font-weight:600; line-height:1.1}
.user-role{opacity:.9; font-size:12px}

/* Sidebar scroll area */
.sidebar-nav{
  padding:14px 6px;
  display:flex;
  flex-direction:column;
  gap:4px;
  overflow:auto;
  scrollbar-width:none;          /* Firefox hide */
}
.sidebar-nav::-webkit-scrollbar{ /* Chrome/Safari hide */
  width:0;
  height:0;
}

.nav-link, .nav-sublink, .nav-link-btn{
  color:rgba(255,255,255,.92);
  text-decoration:none;
  padding:10px 12px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  border:none;
  background:transparent;
  text-align:left;
  width:100%;
}
.nav-link:hover, .nav-sublink:hover, .nav-link-btn:hover{background:rgba(255,255,255,.14); color:#fff;}
.nav-link.active, .nav-sublink.active, .nav-link-btn.active{background:rgba(255,255,255,.18); color:#fff;}
.nav-sublink{margin-left:8px; padding-left:14px; opacity:.98;}
.sidebar-footer{margin-top:auto; padding:12px 8px 4px; opacity:.9;}

.app-main{flex:1; display:flex; flex-direction:column; min-width:0;}
.app-topbar{
  background:var(--card);
  border-bottom:1px solid var(--border);
  padding:18px 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.app-content{padding:22px;}
.card-soft{border:1px solid var(--border); border-radius:18px; box-shadow:0 8px 18px rgba(15,23,42,.04);}
.badge-soft{border-radius:999px; padding:.42rem .6rem; font-weight:600;}
.btn-sia{background:var(--sia-green); border-color:var(--sia-green); color:#fff;}
.btn-sia:hover{background:var(--sia-green-2); border-color:var(--sia-green-2); color:#fff;}
.table thead th{color:#334155; font-weight:700;}

/* ===== Mobile / Tablet (Sidebar off-canvas) ===== */
.sidebar-backdrop{
  position:fixed;
  inset:0;
  background:rgba(15,23,42,.35);
  z-index:1040;
  opacity:0;
  pointer-events:none;
  transition:opacity .2s ease;
}
.sidebar-backdrop.show{
  opacity:1;
  pointer-events:auto;
}

@media (max-width: 991.98px){
  .app-shell{display:block;}
  .app-sidebar{
    position:fixed;
    top:0;
    left:-310px;
    height:100vh;
    width:290px;
    z-index:1045;
    transition:left .2s ease;
    box-shadow:0 18px 40px rgba(0,0,0,.22);
  }
  body.sidebar-open .app-sidebar{ left:0; }

  .app-main{min-width:0;}
  .app-topbar{padding:14px 14px;}
  .app-content{padding:14px;}
  .topbar-title .h5{font-size:1.05rem;}
}