*, *::before, *::after {
  box-sizing: border-box;
}

.back {
  margin-bottom: 12px;
}
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
}
.btn-back:hover {
  color: var(--text);
  text-decoration: underline;
}

:root {
    --primary:#133D6D;
    --sidebar-bg:#133D6D;
  --brand: #133D6D;      /* warna utama baru */
  --brand-600: #102f54;  /* versi lebih gelap */
  --brand-700: #0c2340;  /* versi lebih pekat */
  --bg: #0A1028;
  --card: #0E1535;
  --text: #EAF0FF;
  --muted: #A9B2D6;
  --ring: rgba(19, 61, 109, .45); /* pakai warna utama transparan */
}

/* Layout */
html,body{height:100%}
body{
  background:
    radial-gradient(1200px 800px at 10% -10%, rgba(26,42,128,.30), transparent 60%),
    radial-gradient(1000px 700px at 110% 10%, rgba(26,42,128,.22), transparent 60%),
    var(--bg);
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color:var(--text);
}
.login-wrap{
  min-height:100dvh;
  display:grid;
  place-items:center;
  padding:24px;
}

/* Card */
.login-card{
  width:min(420px, 92vw);
  background: var(--card);
  border:1px solid rgba(255,255,255,.06);
  border-radius:18px;
  box-shadow: 0 24px 60px rgba(0,0,0,.38);
  padding:28px 26px;
}

/* Brand */
.brand{
  display:flex; align-items:center; gap:10px; justify-content:center;

}
.brand-logo{
  width:28px; height:28px; border-radius:8px;
  background:linear-gradient(135deg, var(--brand), var(--brand-700));
}
.brand-title{font-weight:800; font-size:20px;}
.subtitle{text-align:center; color:var(--muted); font-size:13px; margin-bottom:18px}

/* Alert */
.alert {
  background: rgba(239,68,68,.10);
  border: 1px solid rgba(239,68,68,.35);
  color: #ffd3d3;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13px;
  margin: 5px 0 5px 0;

}
.alert button { display: none; }

/* Form */
.field{margin-bottom:14px;}
.label{display:block; font-size:12px; color:var(--muted); margin-bottom:6px;}
.control{position:relative}
.icon{
  position:absolute; inset:0 auto 0 12px; width:18px;
  display:grid; place-items:center; color:#8D98C9;
}
.input{
  width:100%;
  background:#f0f4ff;
  border:1px solid rgba(0,0,0,.1);
  color:#111;
  padding:12px 14px 12px 40px;
  border-radius:10px;
}
.input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px var(--ring);
}

/* Show/Hide */
.toggle{
  position:absolute; right:10px; top:50%; transform:translateY(-50%);
  background:transparent; border:0; cursor:pointer;
}

/* Button */
.btn{width:100%; border:0; cursor:pointer; padding:12px 16px; border-radius:10px; font-weight:600;}
.btn-primary{
  background:linear-gradient(180deg, var(--brand), var(--brand-600));
  color:#fff;
}
.btn-primary:hover{filter:brightness(1.05)}

/* Links */
.links{display:flex; justify-content:space-between; margin-top:12px; font-size:12px}
.link, .help a{color:var(--muted); text-decoration:none}
.link:hover, .help a:hover{color:var(--text); text-decoration:underline}


.app-sidebar{
  position:fixed; inset:16px auto 16px 16px;
  width:280px; z-index:1030;
  border-radius:16px; overflow:hidden;
  box-shadow:0 18px 40px rgba(0,0,0,.18), 0 2px 6px rgba(0,0,0,.08);
  background:var(--sidebar-bg);
}
.app-sidebar .sidebar{
  height:100%; overflow:auto;
  background:var(--sidebar-bg);
}
.app-sidebar .sidebar::-webkit-scrollbar{ width:8px }
.app-sidebar .sidebar::-webkit-scrollbar-thumb{ background:rgba(255,255,255,.25); border-radius:999px }

.app-sidebar .sidebar .sidebar-brand{ padding:1rem .75rem; color:#fff }
.app-sidebar .sidebar .nav-link{
  color:#e6e8ff;
  padding:.65rem 1rem;
  border-left:3px solid transparent;
  transition: all .2s;
}
.app-sidebar .sidebar .nav-link:hover{
  color:#fff;
  background:rgba(255,255,255,.12);
}
.app-sidebar .sidebar .nav-item .collapse-inner .collapse-item{ color:#133D6D }
.app-sidebar .sidebar .nav-item .collapse-inner .collapse-item:hover{
  color:#fff;
  background:var(--primary);
}
.app-sidebar .sidebar .sidebar-heading{
  color:#cfd5ff;
  font-weight:700;
  letter-spacing:.3px
}

.app-sidebar .sidebar .nav-link.active{
  color:#fff;
  background:rgba(255,255,255,.2);
  border-left-color:#fff
}

@media (max-width: 991.98px){
  .app-sidebar{ transform:translateX(-110%); transition:transform .35s ease }
  .sidebar-open .app-sidebar{ transform:none }
  body.with-sidebar{ padding-left:0 }
}
@media (min-width: 992px){
  body.with-sidebar{ padding-left:312px }
}