:root{
  --navy:#081b33;
  --navy-2:#0d2d52;
  --blue:#1769aa;
  --blue-2:#2d8be0;
  --gold:#d7a93e;
  --gold-soft:#f5e7b6;
  --bg:#f4f7fb;
  --card:#ffffff;
  --text:#172033;
  --muted:#6d7a8d;
  --line:#e4e9f0;
  --shadow:0 14px 40px rgba(15,39,72,.08);
}

html{scroll-behavior:smooth}
body{
  background:
    radial-gradient(circle at 85% 0%, rgba(23,105,170,.08), transparent 28rem),
    linear-gradient(180deg,#f8fbff 0,#f4f7fb 240px);
  min-width:0;
  overflow-x:hidden;
}

.app{min-width:0}
.main{min-width:0}

.sidebar{
  background:
    radial-gradient(circle at 20% 5%,rgba(255,255,255,.08),transparent 16rem),
    linear-gradient(180deg,var(--navy) 0%,#071426 100%);
  box-shadow:12px 0 40px rgba(7,20,38,.08);
  z-index:40;
  overflow-y:auto;
  scrollbar-width:thin;
}
.sidebar .logo{margin-bottom:8px}
.sidebar .school{
  color:#b9c8dc;
  padding-left:2px;
  margin-bottom:22px;
  line-height:1.4;
}

.brand-logo-wrap{
  display:flex;
  align-items:center;
  gap:11px;
  min-width:0;
}
.brand-logo-image{
  width:46px;
  height:46px;
  object-fit:contain;
  flex:0 0 46px;
  background:#fff;
  border-radius:13px;
  padding:4px;
  box-shadow:0 8px 20px rgba(0,0,0,.18);
}
.brand-logo-fallback{
  width:46px;
  height:46px;
  flex:0 0 46px;
  display:grid;
  place-items:center;
  border-radius:13px;
  font-weight:900;
  font-size:21px;
  color:var(--navy);
  background:linear-gradient(135deg,#f8e7a9,#d7a93e);
  box-shadow:0 8px 20px rgba(0,0,0,.18);
}
.brand-logo-text{min-width:0}
.brand-logo-text strong{
  display:block;
  font-size:16px;
  line-height:1.05;
  letter-spacing:.04em;
}
.brand-logo-text span{
  display:block;
  margin-top:3px;
  color:#cbd8e8;
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
}

.nav a{
  position:relative;
  transition:.18s ease;
  border:1px solid transparent;
}
.nav a:hover{
  transform:translateX(2px);
  background:rgba(255,255,255,.09);
}
.nav a.active{
  background:linear-gradient(90deg,rgba(45,139,224,.22),rgba(255,255,255,.08));
  border-color:rgba(255,255,255,.08);
  box-shadow:inset 3px 0 0 var(--gold);
}
.nav-section{
  color:#8fa7c2 !important;
  border-top:1px solid rgba(255,255,255,.08);
  margin-top:12px;
}

.topbar{
  position:relative;
  padding:16px 18px;
  background:rgba(255,255,255,.88);
  border:1px solid rgba(228,233,240,.9);
  border-radius:18px;
  box-shadow:0 10px 30px rgba(15,39,72,.05);
  backdrop-filter:blur(10px);
}
.topbar h1{
  color:var(--navy);
  letter-spacing:-.02em;
}

.card{
  border-color:#e6ebf2;
  box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease;
}
.card:hover{
  box-shadow:0 18px 48px rgba(15,39,72,.10);
}
.metric{
  background:linear-gradient(135deg,var(--blue),#214e83);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.badge{
  border:1px solid #d5eedf;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.65);
}
.btn{
  transition:transform .15s ease,box-shadow .15s ease,filter .15s ease;
}
.btn:hover{
  transform:translateY(-1px);
  filter:brightness(.99);
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),#0d4d86);
  box-shadow:0 8px 18px rgba(23,105,170,.18);
}
.btn-primary-lite{
  background:linear-gradient(180deg,#f2f7ff,#e7f0fc);
  border-color:#cfe0f8;
}
.btn-success{
  background:linear-gradient(135deg,#0f9d58,#0b7b46);
}

.table-wrap{
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  -webkit-overflow-scrolling:touch;
}
.table{margin:0}
.table thead th{
  position:sticky;
  top:0;
  z-index:2;
  color:#334155;
  background:#f7f9fc;
  white-space:nowrap;
}
.table tbody tr:hover td{
  background:#fbfdff;
}

.input{
  background:#fff;
  transition:border-color .15s ease,box-shadow .15s ease;
}
.input:focus{
  border-color:#66a7df;
  box-shadow:0 0 0 4px rgba(23,105,170,.10);
}

.login-shell{
  background:
    linear-gradient(rgba(6, 22, 41, 0.55), rgba(13, 49, 91, 0.55)),
    url("../images/bg-sekolah.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 100vh;
}
.login-card{
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(255,255,255,0.6);
  box-shadow: 0 30px 80px rgba(0,0,0,.28);
  backdrop-filter: blur(8px);
}
.login-brand-logo{
  width:58px;height:58px;object-fit:contain;background:#fff;padding:4px;border-radius:16px;
  box-shadow:0 10px 24px rgba(15,39,72,.14)
}

.mobile-menu-btn{
  display:none;
  width:44px;
  height:44px;
  flex:0 0 44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  color:var(--navy);
  cursor:pointer;
  font-size:22px;
  line-height:1;
  box-shadow:0 5px 14px rgba(15,39,72,.05);
}
.mobile-backdrop{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(3,12,24,.48);
  backdrop-filter:blur(2px);
  z-index:35;
}
.mobile-backdrop.show{display:block}

@media(max-width:1100px){
  .main{padding:20px}
  .topbar h1{font-size:23px}
}

@media(max-width:900px){
  .app{display:block}
  .sidebar{
    position:fixed !important;
    left:0;
    top:0;
    width:min(310px,86vw);
    height:100dvh !important;
    padding:20px 16px;
    transform:translateX(-105%);
    transition:transform .22s ease;
    z-index:50;
  }
  .sidebar.mobile-open{transform:translateX(0)}
  .sidebar .school{margin-bottom:18px}
  .nav{display:block !important}
  .nav a{display:block;margin:5px 0 !important;padding:12px 14px}
  .main{padding:14px}
  .mobile-menu-btn{display:grid;place-items:center}
  .topbar{
    padding:12px 13px;
    border-radius:15px;
    margin-bottom:16px;
  }
  .topbar>div:first-of-type{min-width:0;flex:1}
  .topbar h1{font-size:20px;line-height:1.2}
  .subtitle{
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
  }
  .grid-2,.grid-3{grid-template-columns:1fr !important}
  .card{border-radius:15px;padding:16px}
  .metric{font-size:30px}
}

@media(max-width:640px){
  body{font-size:14px}
  .main{padding:10px}
  .topbar{
    gap:9px;
    align-items:center;
  }
  .topbar h1{font-size:18px}
  .topbar .btn-danger{
    padding:10px 11px;
    font-size:12px;
    white-space:nowrap;
  }
  .card{padding:14px}
  .table{min-width:680px}
  .table th,.table td{padding:10px 9px;font-size:12px}
  .form-group{margin-bottom:13px}
  .input{font-size:16px;padding:12px}
  .btn{min-height:42px}
  .identity-grid{grid-template-columns:1fr !important}
  .section-head{flex-direction:column}
  .score-box{width:100%}
  .action-cell{min-width:220px}
}

@media(max-width:420px){
  .topbar h1{font-size:17px}
  .topbar .subtitle{font-size:12px}
  .login-shell{padding:14px}
  .login-card{padding:22px 18px;border-radius:20px}
  .brand h1{font-size:19px}
}