:root{
  /* KWASU-like palette (adjust if you have official hex) */
  --kwsu-green: #0b5d1e;
  --kwsu-green-2: #0a4b19;
  --kwsu-gold: #f2b705;
  --ink: #0b1220;
  --muted: #64748b;
  --bg: #f6f8fb;
  --card: #ffffff;
  --border: rgba(15, 23, 42, 0.10);
}

.app-bg{ background: var(--bg); color: var(--ink); }
.app-shell{ display:flex; min-height:100vh; }

.app-sidebar{
  width: 280px;
  background: linear-gradient(180deg, var(--kwsu-green), var(--kwsu-green-2));
  color: #fff;
  padding: 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  border-right: 1px solid rgba(255,255,255,0.10);
}

.sidebar-brand{
  display:flex; gap:12px; align-items:center;
  padding: 10px 10px 14px 10px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 12px;
}

.brand-badge{
  width: 44px; height:44px; border-radius: 12px;
  background: rgba(242,183,5,0.95);
  color: #1b1b1b;
  display:flex; align-items:center; justify-content:center;
  font-weight: 800;
}
.brand-name{ font-weight: 700; line-height: 1.1; }
.brand-sub{ font-size: 12px; opacity: .8; margin-top: 2px; }

.sidebar-nav{ display:flex; flex-direction:column; gap: 6px; padding-top: 8px; }
.sidebar-link{
  display:flex; align-items:center; gap:10px;
  padding: 10px 12px;
  border-radius: 12px;
  text-decoration:none;
  color: rgba(255,255,255,0.92);
  border: 1px solid rgba(255,255,255,0.08);
}
.sidebar-link:hover{ background: rgba(255,255,255,0.10); }
.sidebar-link.active{
  background: rgba(242,183,5,0.20);
  border-color: rgba(242,183,5,0.45);
}
.sidebar-link i{ font-size: 18px; width: 20px; }

.sidebar-sep{
  margin-top: 14px;
  padding: 8px 10px;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  opacity: .75;
}

.sidebar-footer{
  margin-top: 14px;
  padding: 10px;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.app-main{ flex:1; min-width: 0; }
.app-topbar{
  position: sticky; top: 0; z-index: 50;
  background: var(--kwsu-green);
  color:#fff;
  padding: 12px 16px;
  display:flex; align-items:center; justify-content:space-between;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.topbar-title{ font-weight: 700; }
.topbar-user{ text-align:right; line-height: 1.1; }

.app-content .card{
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 6px 18px rgba(2, 6, 23, 0.04);
}
.badge-soft{
  background: rgba(11, 93, 30, 0.10);
  border: 1px solid rgba(11, 93, 30, 0.18);
  color: var(--kwsu-green);
}

.btn-kwsu-accent{
  background: var(--kwsu-gold);
  border: 1px solid rgba(0,0,0,0.10);
  color: #1b1b1b;
  font-weight: 600;
}
.btn-kwsu-accent:hover{ filter: brightness(0.95); }

.kwsu-tabs .nav-link{
  border-radius: 12px !important;
  margin-right: 8px;
  border: 1px solid var(--border);
  color: var(--ink);
}
.kwsu-tabs .nav-link.active{
  background: rgba(11, 93, 30, 0.10);
  border-color: rgba(11, 93, 30, 0.25);
  color: var(--kwsu-green);
  font-weight: 700;
}

@media (max-width: 992px){
  .app-sidebar{
    position: fixed;
    left: -290px;
    transition: left .2s ease;
    z-index: 1000;
  }
  .app-sidebar.open{ left: 0; }
}