:root{
  --bg-dark:#0f1117; --bg-dark-2:#151822; --bg-dark-3:#1c2030;
  --accent:#6366f1; --accent-2:#8b5cf6; --accent-glow:rgba(99,102,241,.35);
  --text-main:#f1f3f9; --text-muted:#8b90a3;
  --card:#181b26; --border:rgba(255,255,255,.06); --radius:16px;
  --success:#10b981; --warning:#f59e0b; --danger:#ef4444;
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:'Plus Jakarta Sans',sans-serif;
  background:var(--bg-dark);color:var(--text-main);
  display:flex;min-height:100vh;overflow-x:hidden;
}

/* SIDEBAR ADMIN */
.admin-sidebar{
  width:260px;min-height:100vh;
  background:linear-gradient(180deg,#12141d 0%,#0b0d13 100%);
  border-right:1px solid var(--border);
  display:flex;flex-direction:column;
  padding:24px 16px;position:fixed;left:0;top:0;bottom:0;
  z-index:100;transition:transform .3s ease;
}
.admin-logo{display:flex;align-items:center;gap:12px;padding:8px 12px 28px}
.admin-logo .logo-icon{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  display:grid;place-items:center;font-weight:800;font-size:20px;color:#fff;
  box-shadow:0 8px 20px var(--accent-glow);
}
.admin-logo .logo-text{display:flex;flex-direction:column;line-height:1.15}
.admin-logo .logo-text strong{font-size:15px;letter-spacing:.5px;font-weight:800}
.admin-logo .logo-text span{font-size:10.5px;color:var(--text-muted);letter-spacing:2px;font-weight:600}
.nav-label{
  font-size:10.5px;text-transform:uppercase;letter-spacing:1.5px;
  color:var(--text-muted);font-weight:700;padding:16px 14px 8px;
}
.nav{display:flex;flex-direction:column;gap:4px}
.nav a{
  display:flex;align-items:center;gap:12px;padding:11px 14px;
  border-radius:10px;color:var(--text-muted);text-decoration:none;
  font-size:14px;font-weight:600;transition:.2s;position:relative;
}
.nav a svg{width:19px;height:19px;flex-shrink:0;stroke-width:1.8}
.nav a:hover{background:var(--bg-dark-3);color:var(--text-main)}
.nav a.active{
  background:linear-gradient(90deg,rgba(99,102,241,.18),rgba(139,92,246,.08));
  color:#fff;box-shadow:inset 0 0 0 1px rgba(99,102,241,.25);
}
.nav a.active::before{
  content:'';position:absolute;left:-16px;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 4px 4px 0;
  background:linear-gradient(180deg,var(--accent),var(--accent-2));
  box-shadow:0 0 12px var(--accent-glow);
}
.admin-footer{margin-top:auto;padding-top:16px;border-top:1px solid var(--border)}
.admin-user{
  display:flex;align-items:center;gap:12px;padding:10px;
  background:var(--bg-dark-3);border-radius:12px;
}
.admin-user .avatar{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  display:grid;place-items:center;font-weight:800;font-size:13px;color:#fff;
  flex-shrink:0;
}
.admin-user div:last-child{display:flex;flex-direction:column;line-height:1.3}
.admin-user strong{font-size:12.5px;font-weight:700}
.admin-user span{font-size:10.5px;color:var(--text-muted)}

/* MAIN */
.admin-main{flex:1;margin-left:260px;padding:28px 36px 60px;max-width:1400px}
.admin-topbar{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;margin-bottom:32px;
}
.admin-topbar h1{font-size:26px;font-weight:800;letter-spacing:-.6px}
.top-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:42px;height:42px;border-radius:11px;background:var(--card);
  border:1px solid var(--border);display:grid;place-items:center;
  cursor:pointer;transition:.2s;position:relative;
}
.icon-btn:hover{background:var(--bg-dark-3);border-color:rgba(255,255,255,.12)}
.icon-btn svg{width:19px;height:19px;stroke:var(--text-main);stroke-width:1.8}
.badge{
  position:absolute;top:-4px;right:-4px;background:var(--accent);color:#fff;
  font-size:9px;font-weight:800;min-width:17px;height:17px;border-radius:50%;
  display:grid;place-items:center;border:2px solid var(--bg-dark);
}
.avatar{
  width:42px;height:42px;border-radius:11px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  display:grid;place-items:center;font-weight:800;font-size:13px;color:#fff;
  cursor:pointer;box-shadow:0 6px 18px var(--accent-glow);
}

/* STATS */
.stat-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  gap:20px;margin-bottom:32px;
}
.stat-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:22px;
  display:flex;align-items:flex-start;gap:16px;transition:.2s;
}
.stat-card:hover{transform:translateY(-3px);border-color:rgba(99,102,241,.3)}
.stat-icon{
  width:48px;height:48px;border-radius:13px;display:grid;place-items:center;flex-shrink:0;
}
.stat-icon svg{width:23px;height:23px;stroke-width:1.8}
.stat-info{display:flex;flex-direction:column;gap:2px}
.stat-info span{font-size:12px;color:var(--text-muted);font-weight:600}
.stat-info strong{font-size:20px;font-weight:800;letter-spacing:-.4px;margin:2px 0}
.stat-info small{font-size:11px;font-weight:600}
.stat-info small.up{color:var(--success)}
.stat-info small.down{color:var(--danger)}

/* PANEL */
.panel{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);margin-bottom:24px;overflow:hidden;
}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 24px;border-bottom:1px solid var(--border);
}
.panel-head h2{font-size:17px;font-weight:800}
.panel-head a{
  color:var(--accent);font-size:13px;font-weight:700;text-decoration:none;
  transition:.2s;
}
.panel-head a:hover{color:#a5b4fc}

/* TABLE */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13.5px}
thead{background:rgba(255,255,255,.02)}
th{
  text-align:left;padding:14px 24px;font-size:11px;font-weight:800;
  letter-spacing:.8px;text-transform:uppercase;color:var(--text-muted);
  white-space:nowrap;
}
td{padding:16px 24px;border-bottom:1px solid var(--border);color:var(--text-main);font-weight:500}
tbody tr{transition:.15s}
tbody tr:hover{background:rgba(255,255,255,.02)}
tbody tr:last-child td{border-bottom:none}

.status{
  display:inline-block;padding:5px 12px;border-radius:100px;
  font-size:11px;font-weight:700;letter-spacing:.3px;
}
.status-success{background:rgba(16,185,129,.14);color:#34d399;border:1px solid rgba(16,185,129,.25)}
.status-pending{background:rgba(245,158,11,.14);color:#fbbf24;border:1px solid rgba(245,158,11,.25)}
.status-cancel{background:rgba(239,68,68,.14);color:#f87171;border:1px solid rgba(239,68,68,.25)}

/* RESPONSIVE */
.menu-toggle{display:none}
@media(max-width:900px){
  .admin-sidebar{transform:translateX(-100%)}
  .admin-sidebar.open{transform:translateX(0);box-shadow:0 0 60px rgba(0,0,0,.7)}
  .admin-main{margin-left:0;padding:22px 18px 50px}
  .menu-toggle{
    display:grid;place-items:center;width:42px;height:42px;
    background:var(--card);border:1px solid var(--border);
    border-radius:11px;cursor:pointer;flex-shrink:0;
  }
  .menu-toggle svg{width:20px;height:20px;stroke:var(--text-main)}
  .stat-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
}
@media(max-width:520px){
  .stat-grid{grid-template-columns:1fr}
  .stat-info strong{font-size:18px}
  th,td{padding:12px 16px;font-size:12.5px}
}