:root {
  --primary: #F97316;
  --neon-blue: #00D4FF;
  --neon-purple: #A855F7;
  --neon-orange: #F97316;
  --bg: #080810;
  --surface: #101020;
  --surface2: #181828;
  --text: #f5f5f5;
  --muted: #a3a3a3;
  --border: #2a2a4a;
  --green: #22c55e;
  --red: #ef4444;
  --radius: 12px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.55;
}
a { color: var(--primary); }

/* Sidebar layout */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px; min-width: 240px; background: var(--surface);
  border-right: 1px solid var(--border); position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column; padding: 16px 12px; gap: 8px;
  z-index: 50;
}
.main-col { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.main-col main { flex: 1; }
.nav-section {
  font-size: 11px; font-weight: 700; letter-spacing: 1px;
  color: var(--muted); padding: 12px 12px 4px;
}
.side-nav { display: flex; flex-direction: column; gap: 2px; }
.admin-nav { margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--border); }
.side-footer { margin-top: auto; padding-top: 12px; }
.sidebar-toggle { display: none; }
@media (max-width: 768px) {
  .sidebar { position: fixed; left: -260px; transition: left 0.3s; }
  .sidebar.open { left: 0; }
  .sidebar-toggle { display: block; position: absolute; right: -48px; top: 12px; }
}
.brand { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 10px; overflow: hidden;
  background: #080810; border: 1px solid var(--border);
}
.brand-mark img { width: 100%; height: 100%; object-fit: cover; }
.brand-name { font-weight: 700; font-size: 18px; }
.nav-icon { margin-right: 8px; }
.nav-btn {
  background: none; border: none; color: var(--muted); padding: 10px 12px; border-radius: 8px;
  cursor: pointer; font-size: 14px; font-weight: 600; text-align: left; width: 100%;
  display: flex; align-items: center;
}
.nav-btn:hover { color: var(--text); background: var(--surface2); }
.nav-btn.active { color: var(--primary); background: rgba(249,115,22,.12); }
.cart-btn {
  background: var(--primary); color: #fff; border: none; padding: 9px 16px; border-radius: 10px;
  font-weight: 700; cursor: pointer; white-space: nowrap;
}
.cart-count { background: #fff; color: var(--primary); border-radius: 999px; padding: 0 7px; margin-left: 4px; font-size: 13px; }
.menu-btn { display: none; background: none; border: none; color: var(--text); font-size: 22px; cursor: pointer; }

/* Banner */
.banner { background: linear-gradient(90deg, var(--primary), #c2410c); color: #fff; text-align: center; padding: 8px 12px; font-size: 14px; font-weight: 600; }

/* Layout */
#app { max-width: 1200px; margin: 0 auto; padding: 24px 16px 64px; }
.view { display: none; animation: fade .25s ease; }
.view.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.section-title { font-size: 26px; margin: 8px 0 18px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

/* Hero */
.hero { text-align: center; padding: 56px 20px; background: var(--surface); border: 1px solid var(--border); border-radius: 18px; margin-bottom: 32px; }
.hero h1 { font-size: 38px; margin-bottom: 12px; }
.hero p { color: var(--muted); max-width: 640px; margin: 0 auto 24px; font-size: 17px; }

/* Buttons */
.btn { border: none; border-radius: 10px; padding: 10px 20px; font-weight: 700; cursor: pointer; font-size: 15px; }
.btn.primary { background: var(--primary); color: #fff; }
.btn.primary:hover { filter: brightness(1.1); }
.btn.ghost { background: var(--surface2); color: var(--text); border: 1px solid var(--border); margin: 4px 4px 4px 0; }
.btn.big { padding: 14px 28px; font-size: 16px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* Product grid */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.product-grid.list { grid-template-columns: 1fr; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; display: flex; flex-direction: column; gap: 10px; transition: transform .15s;
}
.card:hover { transform: translateY(-3px); border-color: var(--primary); }
.card-icon { font-size: 40px; }
.card h3 { font-size: 19px; }
.card .tag { display: inline-block; font-size: 12px; color: var(--primary); background: rgba(249,115,22,.12); padding: 2px 10px; border-radius: 999px; width: fit-content; }
.card p { color: var(--muted); font-size: 14px; flex: 1; }
.card .price { font-size: 20px; font-weight: 800; }
.card .price small { font-weight: 400; color: var(--muted); font-size: 13px; }
.card-row { display: flex; gap: 8px; }

/* Trust row */
.trust-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 40px; }
.trust-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; text-align: center; }
.trust-icon { font-size: 30px; margin-bottom: 8px; }

/* Catalog controls */
.catalog-controls { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }
input[type=text], input[type=email], input[type=number], input[type=date], select, textarea {
  background: var(--surface2); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 10px 12px; font-size: 15px; width: 100%;
}
.catalog-controls input { max-width: 300px; }
.catalog-controls select { max-width: 200px; }
label { display: block; margin-bottom: 12px; font-weight: 600; font-size: 14px; }
label input, label select, label textarea { margin-top: 6px; font-weight: 400; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* Product detail */
.detail-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 16px; }
.detail-icon { font-size: 90px; text-align: center; background: var(--surface); border-radius: 18px; padding: 40px; border: 1px solid var(--border); }
.detail-info h2 { font-size: 30px; margin-bottom: 8px; }
.plan-option { display: flex; justify-content: space-between; align-items: center; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px; margin-bottom: 10px; }
.plan-option .pprice { font-weight: 800; font-size: 18px; color: var(--primary); }
.feature-list { margin: 12px 0; padding-left: 20px; color: var(--muted); }

/* Cart */
.cart-item { display: flex; justify-content: space-between; align-items: center; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px; margin-bottom: 10px; }
.cart-summary { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-top: 16px; }
.cart-summary .total { font-size: 22px; font-weight: 800; display: flex; justify-content: space-between; margin: 12px 0; }
.empty { text-align: center; color: var(--muted); padding: 40px; }

/* Checkout */
.checkout-wrap { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; }
.checkout-form, .checkout-summary { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.stripe-note { background: var(--surface2); border-radius: 8px; padding: 10px; font-size: 13px; color: var(--muted); margin: 12px 0; }
.stripe-note code { color: var(--primary); }

/* Success */
.success-card { text-align: center; background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 60px 24px; max-width: 520px; margin: 40px auto; }
.success-icon { font-size: 60px; margin-bottom: 16px; }

/* Metrics */
.metric-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 24px; }
.metric-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.metric-card .m-label { color: var(--muted); font-size: 13px; }
.metric-card .m-value { font-size: 26px; font-weight: 800; }
.metric-card .m-value.up { color: var(--green); }
.panel-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 18px; margin-bottom: 18px; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 18px; }
.panel h3 { margin-bottom: 14px; }
canvas { width: 100%; height: auto; background: var(--surface2); border-radius: 8px; }
.top-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); }

/* Accountant */
.tax-result { margin-top: 12px; font-size: 16px; }
.report { background: var(--surface2); border-radius: 8px; padding: 16px; white-space: pre-wrap; font-size: 14px; max-height: 400px; overflow: auto; margin-top: 12px; }
.expense-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); }
.expense-row .del { background: none; border: none; color: var(--red); cursor: pointer; font-size: 18px; }

/* Builder */
#conceptOutput .concept-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-top: 18px; }
.concept-card h3 { color: var(--primary); margin: 16px 0 8px; }
.concept-card h3:first-child { margin-top: 0; }
.concept-card ul { padding-left: 20px; color: var(--muted); }

/* Admin */
.admin-tabs { display: flex; gap: 6px; margin-bottom: 18px; }
.tab-btn { background: var(--surface2); border: 1px solid var(--border); color: var(--muted); padding: 10px 18px; border-radius: 10px; cursor: pointer; font-weight: 700; }
.tab-btn.active { color: var(--primary); border-color: var(--primary); }
.admin-tab { display: none; }
.admin-tab.active { display: block; }
.admin-product { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 16px; margin-bottom: 12px; }
.admin-product .row2 { margin-top: 8px; }
.order-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 16px; margin-bottom: 12px; }
.status-badge { display: inline-block; padding: 3px 12px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.status-badge.pending { background: rgba(249,115,22,.15); color: var(--primary); }
.status-badge.fulfilled { background: rgba(34,197,94,.15); color: var(--green); }

/* Footer */
footer { text-align: center; padding: 32px 16px; color: var(--muted); border-top: 1px solid var(--border); }

/* Responsive */
@media (max-width: 768px) {
  .nav { display: none; position: absolute; top: 60px; left: 0; right: 0; background: var(--surface); flex-direction: column; padding: 12px; border-bottom: 1px solid var(--border); }
  .nav.open { display: flex; }
  .menu-btn { display: block; margin-left: auto; }
  .detail-wrap, .checkout-wrap { grid-template-columns: 1fr; }
  .hero h1 { font-size: 28px; }
}

/* Monitor */
.monitor-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 8px;
}
.status-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.status-dot.live { background: var(--green); box-shadow: 0 0 8px var(--green); }
.status-dot.pending { background: #f59e0b; }
.status-dot.parked { background: var(--muted); }
.status-dot.unused { background: var(--border); }