:root {
  --bg: #0a0a0f;
  --card: #12121a;
  --card-elevated: #1a1a24;
  --primary: #d4ff00;
  --primary-dark: #a8cc00;
  --secondary: #00e5ff;
  --danger: #ff4444;
  --danger-bg: #1a0a0a;
  --text: #f0f0f5;
  --muted: #8888aa;
  --border: #2a2a38;
  --success: #00ff88;
  --shadow: 0 4px 20px rgba(0,0,0,0.4);
  --radius: 14px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
.topbar {
  background: linear-gradient(135deg, #0a0a0f 0%, #12121a 100%);
  color: var(--text);
  padding: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 2px solid var(--primary);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(212,255,0,0.1);
}
.topbar-left {
  display: flex;
  align-items: center;
  padding: 8px 16px;
}
.topbar-logo {
  height: 44px;
  width: auto;
  border-radius: 8px;
}
.topbar nav {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  flex-wrap: wrap;
  gap: 4px;
}
.topbar nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 4px;
  font-weight: 600;
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 8px;
  transition: all 0.2s ease;
}
.topbar nav a:hover {
  color: var(--primary);
  background: rgba(212,255,0,0.08);
}
.topbar nav a.active {
  color: var(--primary);
  background: rgba(212,255,0,0.12);
}
.topbar .user-info {
  color: var(--muted);
  font-size: 13px;
  margin-right: 10px;
}
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 16px;
}
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.card h2 {
  color: var(--primary);
}
h2 {
  margin-top: 0;
  color: var(--primary);
}
input, select, button {
  font-size: 16px;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  width: 100%;
  margin-bottom: 10px;
  background: var(--card-elevated);
  color: var(--text);
  transition: border-color 0.2s ease;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--primary);
}
input::placeholder { color: var(--muted); }
button {
  background: var(--primary);
  color: #0a0a0f;
  border: none;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}
button:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(212,255,0,0.2);
}
button.secondary {
  background: var(--card-elevated);
  color: var(--text);
  border: 1px solid var(--border);
}
button.secondary:hover {
  background: var(--border);
}
button.danger {
  background: var(--danger);
  color: white;
}
button.danger:hover {
  background: #cc3333;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
th {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 2px solid var(--border);
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
tr:hover td {
  background: rgba(255,255,255,0.02);
}
tr.low-stock {
  background: var(--danger-bg);
}
tr.low-stock td.stock-cell {
  color: var(--danger);
  font-weight: 800;
}
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
}
.badge.active { background: rgba(0,255,136,0.15); color: var(--success); }
.badge.blocked { background: rgba(255,68,68,0.15); color: var(--danger); }
.error { color: var(--danger); font-weight: 600; }
.success { color: var(--success); font-weight: 600; }
#reader {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
}
#reader video {
  border-radius: var(--radius);
}
.scan-result {
  text-align: center;
  padding: 24px;
}
.scan-result .name { font-size: 22px; font-weight: 800; margin: 6px 0; color: var(--primary); }
.scan-result .stock { font-size: 16px; color: var(--muted); }
.qty-controls {
  display: flex;
  gap: 10px;
}
.qty-controls button { flex: 1; }
.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.filters input, .filters select { width: auto; flex: 1; min-width: 120px; }
.export-links a {
  display: inline-block;
  margin-right: 12px;
  color: var(--secondary);
  font-weight: 700;
  text-decoration: none;
  font-size: 13px;
}
.export-links a:hover { text-decoration: underline; }
.cart-table th, .cart-table td { font-size: 14px; }
.cart-line-controls { display: flex; gap: 6px; align-items: center; }
.cart-line-controls input { width: 70px; margin-bottom: 0; }
.grand-total { font-size: 22px; font-weight: 800; text-align: right; margin-top: 12px; color: var(--primary); }
.warn-row td { background: rgba(255,200,0,0.08); color: #ffcc44; }
.login-container {
  max-width: 420px;
  margin: 60px auto;
}
.login-logo {
  display: block;
  margin: 0 auto 20px;
  max-width: 280px;
  height: auto;
}
/* Member search results dropdown */
.member-search-results {
  position: relative;
}
.member-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--card-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  max-height: 280px;
  overflow-y: auto;
  z-index: 50;
  display: none;
  margin-top: 4px;
}
.member-dropdown.show { display: block; }
.member-dropdown-item {
  padding: 12px 16px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.member-dropdown-item:hover {
  background: rgba(212,255,0,0.08);
}
.member-dropdown-item .member-name { font-weight: 700; color: var(--text); }
.member-dropdown-item .member-info { font-size: 12px; color: var(--muted); margin-top: 2px; }
.member-selected-box {
  background: rgba(212,255,0,0.06);
  border: 1px solid var(--primary);
  border-radius: 10px;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.member-selected-box .member-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.member-selected-box .member-name { font-size: 18px; font-weight: 700; color: var(--primary); margin-top: 2px; }
.member-link { cursor: pointer; color: var(--secondary); text-decoration: underline; }
.member-link:hover { color: var(--primary); }
@media (max-width: 480px) {
  th, td { padding: 6px 4px; font-size: 13px; }
  .topbar-logo { height: 36px; }
  .topbar nav a { font-size: 12px; padding: 6px 10px; }
}