:root{
  /* Palette ACTAGEN */
  --primary:#17546C;
  --primary-soft:#e3f0f5;
  --accent:#50BCEC;
  --accent-soft:#d7effa;

  --bg:#f5f9fb;
  --card:#ffffff;
  --text:#0b1f2a;
  --muted:#5f7b88;
  --border:rgba(23,84,108,.12);

  --radius:12px;
  --radius-lg:16px;
  --ring: 0 0 0 3px rgba(80,188,236,.22);
  --shadow:0 10px 24px rgba(15,23,42,.06);
  --shadow-sm:0 4px 10px rgba(15,23,42,.05);

  --danger:#9b1c1c;
  --danger-soft:#fff2f2;
  --success:#166534;
  --success-soft:#f2fff7;
}

*{box-sizing:border-box}

html,body{height:100%}

body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(23,84,108,.08), transparent 60%),
    radial-gradient(900px 500px at 90% -20%, rgba(80,188,236,.10), transparent 55%),
    var(--bg);
  color:var(--text);
  line-height:1.45;
}

/* ============================
   Layout admin
============================ */
.admin-layout{
  display:grid;
  grid-template-columns:260px 1fr;
  min-height:100vh;
}

/* ============================
   Sidebar
============================ */
.admin-sidebar{
  position:sticky;
  top:0;
  height:100vh;
  background:var(--card);
  border-right:1px solid var(--border);
  padding:14px;
}

.admin-brand{
  display:flex;
  gap:10px;
  align-items:center;
  padding:12px;
  border-radius:14px;
  background:linear-gradient(180deg,#f7fbfd,#eef4f7);
  border:1px solid var(--border);
  margin-bottom:12px;
  box-shadow:var(--shadow-sm);
}
.admin-brand__logo{
  width:46px;height:46px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--accent-soft);
  color:var(--primary);
  font-size:20px;
}
.admin-brand__title{font-weight:900;font-size:15px}
.admin-brand__sub{font-size:12px;color:var(--muted);font-weight:800;letter-spacing:.3px}

.admin-menu{
  display:flex;
  flex-direction:column;
  gap:6px;
  margin-top:8px;
}

.admin-link{
  display:flex;
  align-items:center;
  gap:8px;
  padding:9px 10px;
  border-radius:10px;
  color:var(--muted);
  text-decoration:none;
  font-weight:900;
  border:1px solid transparent;
  transition:.15s ease;
  will-change:transform;
}
.admin-link i{font-size:16px}

.admin-link:hover{
  background:var(--accent-soft);
  color:var(--primary);
  border-color:rgba(80,188,236,.55);
  transform:translateX(1px);
}

.admin-link.active{
  background:var(--primary-soft);
  color:var(--primary);
  border-color:rgba(23,84,108,.25);
  box-shadow:inset 0 0 0 1px rgba(23,84,108,.05);
}

.admin-link.danger{
  color:var(--danger);
}
.admin-link.danger:hover{
  background:#ffe9e9;
  border-color:#f4b4b4;
}

.admin-sep{
  height:1px;
  background:var(--border);
  margin:8px 0;
}

/* ============================
   Main
============================ */
.admin-main{
  padding:0 18px 18px;
}

.admin-topbar{
  position:sticky;
  top:0;
  z-index:5;
  background:rgba(245,249,251,.95);
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(8px);
  padding:14px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.admin-topbar h1{
  margin:0;
  font-size:22px;
  font-weight:900;
  letter-spacing:.2px;
}

.admin-user{
  display:flex;
  align-items:center;
  gap:6px;
  font-weight:800;
  color:var(--muted);
}

/* Content */
.admin-content{
  padding-top:14px;
}

.container{width:100%;margin:0}

/* ============================
   Cards
============================ */
.card{
  background:var(--card);
  border:1px solid var(--border);
  padding:14px;
  border-radius:var(--radius-lg);
  margin-bottom:12px;
  box-shadow:var(--shadow);
}

.card h2,h3{
  margin:0 0 8px 0;
}

/* ============================
   Tables
============================ */
table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  overflow:hidden;
  border-radius:12px;
  background:#fff;
}

th,td{
  padding:11px 10px;
  border-bottom:1px solid var(--border);
  text-align:left;
  font-size:14px;
  vertical-align:middle;
}

th{
  background:linear-gradient(180deg,#f7fbfd,#eef4f7);
  font-weight:900;
  color:#0f3f52;
  text-transform:uppercase;
  font-size:12px;
  letter-spacing:.5px;
}

tr:last-child td{border-bottom:0}

tbody tr:hover td{
  background:#f8fbfd;
}

/* ============================
   Inputs
============================ */
label{
  font-weight:800;
  display:block;
  margin-bottom:5px;
  font-size:14px;
}

input,textarea,select{
  width:100%;
  padding:10px 11px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--text);
  font-size:14px;
  transition:.12s ease;
}

textarea{min-height:120px;resize:vertical}

input:focus,textarea:focus,select:focus{
  outline:none;
  border-color:rgba(80,188,236,.9);
  box-shadow:var(--ring);
}

/* placeholder plus soft */
input::placeholder, textarea::placeholder{
  color:#9ab0ba;
}

/* ============================
   Buttons
============================ */
button,.btn,.btn--ghost{
  font-family:inherit;
  font-weight:900;
  border-radius:10px;
  cursor:pointer;
  transition:.15s ease;
  display:inline-flex;
  align-items:center;
  gap:6px;
  line-height:1;
  text-decoration:none;
  white-space:nowrap;
}

button,.btn{
  background:linear-gradient(180deg, var(--accent), #2aa6db);
  color:#05212b;
  border:0;
  padding:9px 14px;
  box-shadow:0 6px 14px rgba(80,188,236,.25);
}
button:hover,.btn:hover{
  transform:translateY(-1px);
  filter:saturate(1.1);
  box-shadow:0 10px 20px rgba(80,188,236,.35);
}

.btn--ghost{
  background:#fff;
  border:1px solid var(--border);
  color:var(--primary);
  padding:8px 12px;
}
.btn--ghost:hover{
  background:var(--primary-soft);
  border-color:rgba(23,84,108,.25);
}

/* Danger button optional */
.btn-danger, button.btn-danger{
  background:linear-gradient(180deg,#ffb4b4,#ff8686);
  color:#5c0b0b;
  box-shadow:0 6px 14px rgba(255,134,134,.25);
}
.btn-danger:hover, button.btn-danger:hover{
  box-shadow:0 10px 20px rgba(255,134,134,.35);
}

/* small buttons */
.btn-sm, button.btn-sm{
  padding:7px 10px;
  font-size:13px;
  border-radius:9px;
}

/* ============================
   Badges
============================ */
.badge{
  font-size:12px;
  font-weight:900;
  background:var(--primary-soft);
  color:var(--primary);
  padding:3px 8px;
  border-radius:999px;
  border:1px solid rgba(23,84,108,.18);
}

/* ============================
   Alerts helpers
============================ */
.alert-success{
  background:var(--success-soft);
  border:1px solid #b4f4ce;
  color:var(--success);
  padding:12px;
  border-radius:12px;
  font-weight:800;
}
.alert-danger{
  background:var(--danger-soft);
  border:1px solid #f4b4b4;
  color:var(--danger);
  padding:12px;
  border-radius:12px;
  font-weight:800;
}

/* ============================
   Helpers + layout
============================ */
.top{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  margin-bottom:10px;
}

.nav a{margin-right:10px}
small{color:var(--muted)}
.muted{color:var(--muted)}

/* spacing util */
.mt-1{margin-top:6px}
.mt-2{margin-top:10px}
.mt-3{margin-top:14px}

/* ============================
   Tabs admin
============================ */
.tab{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 12px;
  border-radius:999px;
  font-weight:800;
  text-decoration:none;
  background:#fff;
  border:1px solid #e6edf1;
  color:#33525f;
  transition:.15s ease;
}
.tab:hover{
  border-color:#bfe6f7;
  color:#0e556d;
  box-shadow:0 0 0 3px rgba(80,188,236,.12);
}
.tab.active{
  background:#eaf5fb;
  border-color:#9ad9f3;
  color:#0e556d;
}

.tab-badge{
  display:inline-grid;place-items:center;
  min-width:22px;height:22px;padding:0 6px;
  font-size:12px;font-weight:900;border-radius:999px;
  border:1px solid transparent;
}
.tab-badge--root{
  background:#eef4f7;color:#17546C;border-color:#d9e6ec;
}
.tab-badge--child{
  background:#e3f0f5;color:#0f4b62;border-color:#cfe5ee;
}
.tab-badge--sub{
  background:#d7effa;color:#0b3f54;border-color:#bfe6f7;
}

/* ============================
   Responsive
============================ */
@media(max-width:900px){
  .admin-layout{grid-template-columns:1fr}
  .admin-sidebar{
    position:relative;
    height:auto;
    border-right:0;
    border-bottom:1px solid var(--border);
  }
  .admin-main{padding:0 12px 12px}
}