@font-face{font-family:Inter;src:local("Inter"),local("Arial")}
:root{
  --lime:#b6e04b;
  --lime-2:#9ed63b;
  --bg:#0b0b0b;
  --surface:#111214;
  --card:#131418;
  --text:#f3f5f7;
  --muted:#aeb3bb;
  --accent:var(--lime);
  --danger:#ff4d4d;
  --ring:rgba(182,224,75,.25);
  --shadow:0 12px 30px rgba(0,0,0,.28);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:linear-gradient(180deg,#0a0b0c 0%, #0e1113 35%, #0b0c0d 100%);color:var(--text);font-family:Inter,system-ui,Segoe UI,Arial,sans-serif}
.container{max-width:1100px;margin:0 auto;padding:0 16px}
.site-header{
  backdrop-filter:saturate(160%) blur(8px);
  background:#0e0f12 !important;
  border-bottom:1px solid rgba(255,255,255,.06);
  position:sticky;top:0;z-index:10
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo-img{height:36px;display:block}
.brand .logo{font-weight:800;font-size:20px;letter-spacing:.5px;display:none}
.brand .tag{font-size:12px;opacity:.7;color:var(--muted)}
.nav a{margin-left:10px}
.btn{background:#111;color:#fff;padding:10px 16px;border-radius:12px;text-decoration:none;border:1px solid #222}
.btn:hover{filter:brightness(1.05)}
.btn-lite{background:#17181b;color:#e9ecef;border-color:#21242a}
.site-footer{padding:24px 0;border-top:1px solid #1f1f1f;color:var(--muted)}

/* Hero */
.hero{padding:34px 0 10px;display:grid;gap:14px;align-items:center}
.hero .logo-row{display:flex;align-items:center;gap:12px}
.hero .logo-row img{height:42px}
.hero h1{font-size:24px;margin:0;color:#e8ebef;font-weight:800;letter-spacing:.2px}
.hero .muted{color:var(--muted);font-size:14px}
.search-bar{padding:0 0 14px}
.search-bar input{
  width:100%;padding:16px 18px;border-radius:14px;border:1px solid #202328;
  background:#0f1114;color:#fff;outline:none;
  box-shadow:0 0 0 0 var(--ring);transition:box-shadow .15s ease,border-color .15s ease
}
.search-bar input:focus{border-color:#2a2f36;box-shadow:0 0 0 6px var(--ring)}

.product-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px
}
.card{
  display:flex;flex-direction:column;text-decoration:none;color:#fff;background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,.01));
  border:1px solid #1e2026;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease
}
.card:hover{transform:translateY(-2px);border-color:#2b2f38}
.card .thumb{
  background:#0d0f12 center/cover no-repeat;width:100%;aspect-ratio:4/3;position:relative
}
.card .thumb::after{
  content:'';position:absolute;inset:auto 10px 10px 10px;height:3px;border-radius:8px;background:linear-gradient(90deg,var(--lime),var(--lime-2));opacity:.5
}
.card .meta{padding:12px 12px 14px;display:grid;gap:6px}
.card .title{font-weight:750;letter-spacing:.2px}
.card .sub{color:var(--muted);font-size:12px;margin-top:2px}
.loader{display:flex;align-items:center;justify-content:center;padding:26px;color:var(--muted)}
.hidden{display:none}
.spinner{
  width:18px;height:18px;border:3px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;
  margin-right:10px;animation:spin .9s linear infinite
}
@keyframes spin{to{transform:rotate(360deg)}}
.end-marker{height:1px}
.breadcrumb{margin:16px 0;color:var(--muted)}
.breadcrumb a{color:var(--accent);text-decoration:none}
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.product-detail .image img{width:100%;border-radius:16px;box-shadow:var(--shadow);background:#0f1012}
.product-detail .content h1{margin:0 0 8px}
.product-detail .barcode{color:var(--muted);margin-bottom:12px}
.related h2{margin:26px 0 12px}
.error-box{max-width:480px;margin:80px auto;text-align:center;background:#111;padding:24px;border:1px solid #222;border-radius:16px}
/* Admin */
.admin-top{display:flex;align-items:center;justify-content:space-between;margin:16px 0}
.grid-admin{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.admin-card{background:#101010;border:1px solid #222;border-radius:14px;overflow:hidden}
.admin-card .thumb{background:#0d0d0d center/cover no-repeat;width:100%;padding-bottom:68%}
.admin-card .body{padding:10px;display:grid;gap:8px}
.admin-card input,.admin-card textarea{
  width:100%;padding:10px 12px;border-radius:10px;border:1px solid #222;background:#0f0f0f;color:#fff
}
.flex{display:flex;gap:8px;align-items:center}
.pill{padding:8px 12px;background:#111;border:1px solid #222;border-radius:999px;color:var(--muted)}
.upload-area{
  border:2px dashed #333;border-radius:14px;padding:24px;text-align:center;background:#0f0f0f;color:#bbb
}
.upload-area.drag{border-color:var(--accent);background:#131313}
.progress{height:8px;background:#1a1a1a;border-radius:99px;overflow:hidden}
.progress>span{display:block;height:8px;background:linear-gradient(90deg,var(--lime),var(--lime-2));width:0%}
.stat{display:flex;gap:12px;flex-wrap:wrap}
.danger{background:var(--danger);border-color:#ff7070}
/* Login */
.login-page{min-height:100vh;display:grid;place-items:center;padding:34px 16px;position:relative;overflow:hidden}
.login-page::before{
  content:'';position:absolute;inset:-20% -30% auto auto;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(closest-side, rgba(255,235,140,.4), rgba(255,235,140,0));
  filter:blur(2px);pointer-events:none
}
.login-page::after{
  content:'';position:absolute;inset:auto auto -25% -20%;width:680px;height:680px;border-radius:50%;
  background:radial-gradient(closest-side, rgba(182,224,75,.28), rgba(182,224,75,0));
  filter:blur(2px);pointer-events:none
}
.login-card{
  width:100%;max-width:860px;border-radius:22px;overflow:hidden;display:grid;grid-template-columns:1.2fr 1fr;
  background:linear-gradient(135deg, rgba(255,240,170,.95), rgba(255,230,140,.92));
  border:1px solid rgba(255,220,120,.6);box-shadow:0 22px 46px rgba(0,0,0,.38)
}
.login-brand{padding:28px}
.login-brand img{height:44px;display:block;margin-bottom:12px}
.login-title{font-size:26px;font-weight:800;color:#3b2f00;letter-spacing:.2px}
.login-sub{color:#6b5600;margin-top:6px}
.login-card .login-error{color:#b00020;margin:0 18px 8px;font-size:14px}
.login-form{padding:18px}
.login-card form{display:grid;gap:12px}
.login-card .field{position:relative}
.login-card input{
  width:100%;padding:12px 14px;border-radius:12px;border:1px solid #d1b562;background:#0f0f0f;color:#fff;outline:none
}
.login-card input:focus{box-shadow:0 0 0 6px rgba(255,220,120,.25);border-color:#e6c86a}
.password-field .toggle-pass{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  background:transparent;border:0;color:#6b5600;cursor:pointer;font-size:16px;line-height:1
}
.remember-row{display:flex;align-items:center;gap:8px;color:#3b2f00;font-size:14px}
.btn-accent{
  background:linear-gradient(180deg,#f9e06a,#f4cf45);border-color:#eac23c;color:#3b2f00
}
.btn-accent:hover{filter:brightness(1.04)}
.login-btn{width:100%}
.back-btn{width:100%;text-align:center}
@media(max-width:820px){
  .login-card{grid-template-columns:1fr}
  .login-brand{padding:22px 18px 10px}
  .login-form{padding:10px 18px 18px}
}
@media(max-width:900px){.product-detail{grid-template-columns:1fr}}
@media(max-width:640px){
  .product-grid{grid-template-columns:repeat(3,1fr);gap:10px}
  .card .thumb{aspect-ratio:1/1}
  .card .meta{padding:8px}
  .card .title{font-size:13px}
  .card .sub{font-size:11px}
}