:root{
  --bg:#0a0a0f;
  --bg2:#12121c;
  --card:rgba(255,255,255,0.04);
  --card-border:rgba(255,255,255,0.09);
  --gold:#e8c87a;
  --gold2:#c9a24a;
  --txt:#f2f2f5;
  --muted:#9a9ab0;
  --green:#3ddc97;
  --red:#ff6b6b;
  --radius:18px;
  --shadow:0 18px 50px rgba(0,0,0,.45);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  background:radial-gradient(1200px 800px at 80% -10%,#1c1830 0%,transparent 55%),
             radial-gradient(900px 600px at -10% 20%,#16203a 0%,transparent 50%),
             var(--bg);
  color:var(--txt);min-height:100vh;line-height:1.6;
}
a{color:inherit;text-decoration:none}
.container{max-width:1180px;margin:0 auto;padding:0 20px}

/* ---------- NAVBAR ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(16px);background:rgba(10,10,15,.7);
  border-bottom:1px solid var(--card-border);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{font-weight:800;font-size:1.35rem;letter-spacing:.5px;display:flex;align-items:center;gap:10px}
.brand b{background:linear-gradient(135deg,var(--gold),#fff,var(--gold2));-webkit-background-clip:text;background-clip:text;color:transparent}
.brand .dot{width:11px;height:11px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold2));box-shadow:0 0 16px var(--gold)}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links a{padding:9px 15px;border-radius:11px;color:var(--muted);font-size:.93rem;font-weight:500;transition:.2s}
.nav-links a:hover{color:var(--txt);background:var(--card)}
.balance-chip{
  display:inline-flex;align-items:center;gap:7px;padding:8px 15px;border-radius:30px;
  background:linear-gradient(135deg,rgba(232,200,122,.16),rgba(201,162,74,.08));
  border:1px solid rgba(232,200,122,.35);color:var(--gold);font-weight:700;font-size:.9rem
}
.menu-toggle{display:none;background:none;border:none;color:var(--txt);font-size:1.6rem;cursor:pointer}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;border:none;cursor:pointer;
  font-weight:700;font-size:.95rem;transition:.22s;font-family:inherit
}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold2));color:#1a1408;box-shadow:0 8px 26px rgba(201,162,74,.35)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(201,162,74,.5)}
.btn-ghost{background:var(--card);border:1px solid var(--card-border);color:var(--txt)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn-block{width:100%}
.btn-sm{padding:8px 14px;font-size:.85rem}
.btn-danger{background:rgba(255,107,107,.14);border:1px solid rgba(255,107,107,.4);color:var(--red)}
.btn-green{background:rgba(61,220,151,.14);border:1px solid rgba(61,220,151,.4);color:var(--green)}

/* ---------- HERO ---------- */
.hero{padding:70px 0 40px;text-align:center;position:relative}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:800;line-height:1.12;letter-spacing:-1px}
.hero h1 span{background:linear-gradient(135deg,var(--gold),#fff 60%,var(--gold2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);max-width:560px;margin:18px auto 28px;font-size:1.08rem}
.badge-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:8px}
.mini-badge{font-size:.82rem;color:var(--muted);background:var(--card);border:1px solid var(--card-border);padding:7px 14px;border-radius:30px}

/* ---------- PRODUCT GRID ---------- */
.section-title{font-size:1.6rem;font-weight:800;margin:50px 0 22px;display:flex;align-items:center;gap:12px}
.section-title::before{content:"";width:5px;height:26px;border-radius:4px;background:linear-gradient(var(--gold),var(--gold2))}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px}
.card{
  background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);
  overflow:hidden;transition:.25s;backdrop-filter:blur(8px);position:relative
}
.card:hover{transform:translateY(-6px);border-color:rgba(232,200,122,.4);box-shadow:var(--shadow)}
.card-img{aspect-ratio:16/10;width:100%;object-fit:cover;background:#1a1a24;display:block}
.card-img.placeholder{display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:2.4rem}
.card-body{padding:18px}
.card-body h3{font-size:1.12rem;font-weight:700;margin-bottom:6px}
.card-desc{color:var(--muted);font-size:.88rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.6em}
.price-tag{margin-top:14px;font-size:1.3rem;font-weight:800;color:var(--gold)}
.price-from{font-size:.75rem;color:var(--muted);font-weight:500}
.warranty-pill{display:inline-block;margin-top:8px;font-size:.76rem;color:var(--green);background:rgba(61,220,151,.12);padding:4px 10px;border-radius:20px}

/* ---------- PANEL / CARDS ---------- */
.panel{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:26px;backdrop-filter:blur(8px)}
.auth-wrap{max-width:430px;margin:50px auto}
.auth-wrap h2{font-size:1.7rem;margin-bottom:6px}
.auth-wrap .sub{color:var(--muted);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:7px;font-weight:600}
.input{
  width:100%;padding:13px 15px;border-radius:11px;border:1px solid var(--card-border);
  background:rgba(0,0,0,.25);color:var(--txt);font-size:.95rem;font-family:inherit;transition:.2s
}
.input:focus{outline:none;border-color:var(--gold);background:rgba(0,0,0,.4)}
textarea.input{resize:vertical;min-height:90px}
.help{font-size:.8rem;color:var(--muted);margin-top:14px;text-align:center}
.help a{color:var(--gold);font-weight:600}

/* ---------- ALERTS ---------- */
.alert{padding:13px 16px;border-radius:11px;margin-bottom:18px;font-size:.9rem}
.alert-ok{background:rgba(61,220,151,.12);border:1px solid rgba(61,220,151,.35);color:var(--green)}
.alert-err{background:rgba(255,107,107,.12);border:1px solid rgba(255,107,107,.35);color:var(--red)}
.alert-info{background:rgba(232,200,122,.1);border:1px solid rgba(232,200,122,.3);color:var(--gold)}

/* ---------- DURATION CHIPS ---------- */
.dur-row{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}
.dur-chip{
  padding:11px 16px;border-radius:12px;border:1px solid var(--card-border);
  background:rgba(0,0,0,.2);cursor:pointer;transition:.2s;text-align:center;flex:1;min-width:110px
}
.dur-chip:hover{border-color:var(--gold)}
.dur-chip.active{border-color:var(--gold);background:linear-gradient(135deg,rgba(232,200,122,.18),rgba(201,162,74,.06))}
.dur-chip .lbl{font-weight:700;font-size:.95rem}
.dur-chip .prc{color:var(--gold);font-size:.85rem;margin-top:3px}

/* ---------- TABLE ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--card-border)}
table{width:100%;border-collapse:collapse;font-size:.9rem;min-width:560px}
th,td{padding:13px 15px;text-align:left;border-bottom:1px solid var(--card-border)}
th{background:rgba(255,255,255,.03);color:var(--muted);font-weight:600;font-size:.82rem;text-transform:uppercase;letter-spacing:.5px}
tr:hover td{background:rgba(255,255,255,.02)}
.status{padding:4px 11px;border-radius:20px;font-size:.78rem;font-weight:700;display:inline-block}
.status.pending{background:rgba(232,200,122,.15);color:var(--gold)}
.status.approved,.status.completed{background:rgba(61,220,151,.15);color:var(--green)}
.status.rejected{background:rgba(255,107,107,.15);color:var(--red)}

/* ---------- ADMIN LAYOUT ---------- */
.admin-grid{display:grid;grid-template-columns:230px 1fr;gap:24px;margin-top:24px}
.sidebar{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:16px;height:fit-content;position:sticky;top:90px}
.sidebar a{display:block;padding:11px 14px;border-radius:10px;color:var(--muted);font-weight:600;font-size:.9rem;margin-bottom:4px;transition:.2s}
.sidebar a:hover,.sidebar a.active{background:rgba(232,200,122,.12);color:var(--gold)}
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}
.stat{background:var(--card);border:1px solid var(--card-border);border-radius:14px;padding:18px}
.stat .num{font-size:1.7rem;font-weight:800;color:var(--gold)}
.stat .lbl{color:var(--muted);font-size:.85rem;margin-top:4px}

/* ---------- DETAIL PEMBELIAN ---------- */
.receipt{max-width:520px;margin:40px auto;text-align:center}
.receipt .check{width:80px;height:80px;border-radius:50%;background:rgba(61,220,151,.15);border:2px solid var(--green);display:flex;align-items:center;justify-content:center;font-size:2.4rem;margin:0 auto 18px}
.receipt-row{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px dashed var(--card-border);text-align:left}
.receipt-row span:first-child{color:var(--muted)}
.receipt-row span:last-child{font-weight:700}

/* ---------- FOOTER ---------- */
.footer{margin-top:70px;padding:34px 0;border-top:1px solid var(--card-border);text-align:center;color:var(--muted);font-size:.88rem}

/* ---------- RESPONSIVE ---------- */
@media(max-width:820px){
  .admin-grid{grid-template-columns:1fr}
  .sidebar{position:static;display:flex;flex-wrap:wrap;gap:6px}
  .sidebar a{flex:1;text-align:center}
}
@media(max-width:680px){
  .menu-toggle{display:block}
  .nav-links{
    position:fixed;top:68px;right:0;width:75%;max-width:300px;height:calc(100vh - 68px);
    flex-direction:column;align-items:stretch;background:var(--bg2);
    padding:20px;gap:6px;transform:translateX(110%);transition:.3s;border-left:1px solid var(--card-border)
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{padding:14px}
  .hero{padding:46px 0 26px}
}
.fade-in{animation:fade .5s ease both}
@keyframes fade{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}