*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#020617;
  --panel:rgba(15,23,42,.76);
  --line:rgba(255,255,255,.12);
  --muted:#a8b0c6;
  --cyan:#00e5ff;
  --purple:#7c3aed;
  --pink:#ff2bd6;
  --green:#22c55e;
  --red:#ef4444;
  --yellow:#facc15;
}
html,body{width:100%;min-height:100%}
body{
  font-family:"Segoe UI",Arial,sans-serif;
  background:
    radial-gradient(circle at 10% 0,rgba(0,229,255,.15),transparent 28%),
    radial-gradient(circle at 90% 0,rgba(255,43,214,.11),transparent 30%),
    linear-gradient(135deg,#01030a,#050816 60%,#02040c);
  color:#fff;
  display:grid;
  grid-template-columns:280px 1fr;
}
button,input,select,textarea{font-family:inherit}
button{cursor:pointer}
.sidebar{
  position:sticky;
  top:0;
  height:100vh;
  padding:22px;
  border-right:1px solid rgba(255,255,255,.08);
  background:rgba(2,6,23,.84);
  backdrop-filter:blur(22px);
  display:flex;
  flex-direction:column;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding-bottom:20px;
  border-bottom:1px solid rgba(255,255,255,.08);
  margin-bottom:20px;
}
.brand-mark{
  width:52px;
  height:52px;
  border-radius:17px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,var(--cyan),var(--purple),var(--pink));
  font-size:30px;
  font-weight:1000;
}
.brand strong{display:block;font-size:22px}
.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:3px;margin-top:4px}
nav{display:grid;gap:8px}
.nav-btn{
  min-height:48px;
  border:1px solid transparent;
  border-radius:14px;
  background:transparent;
  color:#dbeafe;
  text-align:left;
  padding:0 14px;
  font-weight:900;
}
.nav-btn:hover,.nav-btn.active{
  background:linear-gradient(90deg,rgba(0,229,255,.18),rgba(124,58,237,.26));
  border-color:rgba(34,211,238,.22);
  color:#fff;
}
.admin-card{
  margin-top:auto;
  padding:16px;
  border-radius:18px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.045);
}
.admin-card small,.admin-card span{display:block;color:var(--muted)}
.admin-card b{display:block;margin:7px 0;font-size:14px}
.admin-card span{
  width:max-content;
  padding:5px 8px;
  border-radius:999px;
  background:rgba(34,211,238,.12);
  color:#67e8f9;
  font-weight:900;
  font-size:11px;
}
.main{
  min-width:0;
  padding:28px clamp(22px,3vw,52px) 52px;
}
.topbar{
  display:flex;
  justify-content:space-between;
  gap:22px;
  align-items:center;
  margin-bottom:26px;
}
.topbar h1{font-size:38px}
.topbar p{color:var(--muted);margin-top:6px}
.top-actions{display:flex;gap:10px}
input,select,textarea{
  min-height:46px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background:#061020;
  color:#fff;
  padding:0 14px;
  outline:none;
}
input:focus,select:focus,textarea:focus{
  border-color:rgba(34,211,238,.65);
  box-shadow:0 0 0 2px rgba(34,211,238,.10);
}
.top-actions input{width:min(340px,30vw)}
.top-actions button,.panel-head button,.activation-tools button,.primary{
  min-height:46px;
  border:0;
  border-radius:14px;
  color:#fff;
  font-weight:950;
  padding:0 16px;
  background:linear-gradient(90deg,var(--cyan),var(--purple),var(--pink));
}
.page{display:none}
.page.active{display:block;animation:fade .18s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-bottom:18px;
}
.stat-card,.panel{
  border:1px solid var(--line);
  background:var(--panel);
  border-radius:24px;
  box-shadow:0 24px 80px rgba(0,0,0,.25);
}
.stat-card{padding:22px}
.stat-card small{display:block;color:var(--muted);font-weight:800}
.stat-card b{display:block;font-size:38px;margin:10px 0}
.stat-card span{color:#86efac;font-size:13px;font-weight:850}
.grid-2{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:18px;
}
.panel{padding:22px}
.panel-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:16px;
}
.panel-head h2{font-size:24px}
.table-wrap{overflow:auto}
table{
  width:100%;
  border-collapse:collapse;
  min-width:760px;
}
th,td{
  padding:14px 12px;
  text-align:left;
  border-bottom:1px solid rgba(255,255,255,.07);
  font-size:14px;
}
th{color:#a8b0c6;font-size:12px;text-transform:uppercase;letter-spacing:1px}
.badge{
  display:inline-flex;
  min-height:24px;
  align-items:center;
  padding:3px 8px;
  border-radius:999px;
  font-size:11px;
  font-weight:950;
}
.badge.active{background:rgba(34,197,94,.14);color:#86efac}
.badge.trial{background:rgba(250,204,21,.14);color:#fde68a}
.badge.expired,.badge.no-playlist{background:rgba(239,68,68,.14);color:#fca5a5}
.badge.paid{background:rgba(34,211,238,.14);color:#67e8f9}
.row-actions{display:flex;gap:7px}
.row-actions button{
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.055);
  color:#fff;
  border-radius:10px;
  min-height:32px;
  padding:0 9px;
  font-weight:850;
}
.filters,.activation-tools{
  display:grid;
  grid-template-columns:240px 1fr auto;
  gap:12px;
  margin-bottom:16px;
  align-items:end;
}
.activation-tools label{display:block;margin-bottom:7px;color:#a8b0c6;font-size:12px;font-weight:900}
.activity-list,.support-list{display:grid;gap:12px}
.activity,.support-item{
  padding:14px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.04);
}
.activity b,.support-item b{display:block;margin-bottom:5px}
.activity span,.support-item span{color:var(--muted);font-size:13px}
.settings-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.settings-grid label{
  display:block;
  color:#dbeafe;
  margin:16px 0 8px;
  font-weight:850;
}
.settings-grid .primary{margin-top:18px;width:100%}
.modal{
  position:fixed;
  inset:0;
  z-index:999;
  display:none;
  align-items:center;
  justify-content:center;
  padding:24px;
  background:rgba(0,0,0,.72);
  backdrop-filter:blur(16px);
}
.modal.active{display:flex}
.modal-card{
  width:min(460px,96vw);
  border-radius:26px;
  border:1px solid var(--line);
  background:#0f172a;
  padding:24px;
  position:relative;
}
.modal-close{
  position:absolute;
  top:14px;
  right:14px;
  width:38px;
  height:38px;
  border:0;
  border-radius:12px;
  background:rgba(255,255,255,.08);
  color:white;
  font-size:24px;
}
.modal-card label{display:block;margin:16px 0 8px;color:#dbeafe;font-weight:850}
.full{width:100%;margin-top:18px}
.toast{
  position:fixed;
  left:50%;
  bottom:26px;
  transform:translateX(-50%) translateY(24px);
  opacity:0;
  pointer-events:none;
  padding:13px 18px;
  border-radius:999px;
  background:rgba(0,0,0,.82);
  border:1px solid rgba(255,255,255,.16);
  font-weight:900;
  transition:.2s;
  z-index:1000;
}
.toast.active{opacity:1;transform:translateX(-50%) translateY(0)}
@media(max-width:1100px){
  body{grid-template-columns:1fr}
  .sidebar{
    position:relative;
    height:auto;
  }
  nav{
    grid-template-columns:repeat(2,1fr);
  }
  .stats-grid,.grid-2,.settings-grid{
    grid-template-columns:1fr;
  }
  .filters,.activation-tools{
    grid-template-columns:1fr;
  }
  .topbar{
    flex-direction:column;
    align-items:flex-start;
  }
  .top-actions{
    width:100%;
    flex-direction:column;
  }
  .top-actions input{width:100%}
}