:root {
  --bg: #0b0c0f;
  --card: #12141a;
  --muted: #8c93a3;
  --text: #e9ecf2;
  --line: rgba(255, 255, 255, 0.08);
  --accent: #e9ecf2;
  --danger: #ff6b6b;

  --r: 14px;
  --pad: 16px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  background: radial-gradient(1200px 800px at 10% 10%, rgba(255,255,255,0.06), transparent 60%),
              radial-gradient(1000px 800px at 90% 20%, rgba(255,255,255,0.05), transparent 55%),
              var(--bg);
  color: var(--text);
}

.wrap { max-width: 1100px; margin: 0 auto; padding: 28px 18px 40px; }
.header {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-bottom: 18px;
}
h1 { font-size: 22px; margin: 0 0 4px; letter-spacing: 0.2px; }
.sub { margin: 0; color: var(--muted); font-size: 13px; }

.pill {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  padding: 8px 10px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 14px;
}
@media (max-width: 920px) {
  .grid { grid-template-columns: 1fr; }
}

.card {
  background: rgba(18, 20, 26, 0.88);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  padding: var(--pad);
  backdrop-filter: blur(8px);
}

h2 { font-size: 14px; margin: 0 0 10px; color: var(--text); letter-spacing: 0.2px; }
.muted { color: var(--muted); }
code { font-family: var(--mono); font-size: 12px; }

.formRow {
  display: grid;
  grid-template-columns: 1fr 170px;
  gap: 10px;
}
@media (max-width: 520px) {
  .formRow { grid-template-columns: 1fr; }
}

label span { display: block; font-size: 12px; color: var(--muted); margin: 0 0 6px; }
input, select, textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  padding: 10px 12px;
  outline: none;
}
/* Some browsers need this to affect the options list as well */
#categoryFilter option {
  color: #222;
  background-color: #fff; /* keep options readable on white background */
}
input::placeholder, textarea::placeholder { color: rgba(140,147,163,0.75); }
input:focus, select:focus, textarea:focus {
  border-color: rgba(233,236,242,0.25);
  box-shadow: 0 0 0 3px rgba(233,236,242,0.07);
}

.bar { display: flex; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.btn {
  border: 1px solid rgba(233,236,242,0.18);
  background: rgba(233,236,242,0.10);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 13px;
}
.btn:hover { background: rgba(233,236,242,0.14); }
.btn:disabled { cursor: not-allowed; opacity: 0.45; }
.btn.ghost {
  background: transparent;
  border-color: var(--line);
}
.btn.ghost:hover { background: rgba(255,255,255,0.04); }

.divider {
  height: 1px;
  background: var(--line);
  margin: 14px 0;
}

.catalogHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}
.rightTools {
  display: flex;
  gap: 10px;
  align-items: center;
}
.search { width: 220px; }
.select { width: 140px; }
@media (max-width: 520px) {
  .rightTools { width: 100%; }
  .search { width: 100%; }
  .select { width: 100%; }
  .catalogHeader { flex-direction: column; align-items: stretch; }
}

.hint { font-size: 12px; color: var(--muted); margin-bottom: 10px; }

.catalog {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  max-height: 520px;
  overflow: auto;
  padding-right: 2px;
}
.item {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
  border-radius: 12px;
  padding: 10px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.itemLeft { min-width: 0; }
.itemName { font-size: 13px; margin: 0 0 4px; }
.itemMeta { font-size: 12px; color: var(--muted); display: flex; gap: 10px; flex-wrap: wrap; }
.badge {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 11px;
  color: var(--muted);
}
.price {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text);
}
.itemActions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.smallBtn {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  border-radius: 12px;
  padding: 8px 10px;
  cursor: pointer;
  font-size: 12px;
}
.smallBtn:hover { background: rgba(255,255,255,0.06); }
.smallBtn:disabled { cursor: not-allowed; opacity: 0.45; }
.smallBtn.danger { border-color: rgba(255,107,107,0.25); color: rgba(255,107,107,0.95); }

.totals {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 10px;
}
.kv {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
  border-radius: 12px;
  padding: 10px 10px;
}
.k { font-size: 11px; color: var(--muted); margin-bottom: 6px; }
.v { font-family: var(--mono); font-size: 13px; }

.cart {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
  border-radius: 12px;
  padding: 8px;
  min-height: 120px;
  max-height: 260px;
  overflow: auto;
}
.cartEmpty { color: var(--muted); font-size: 12px; padding: 8px; }
.cartRow {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 8px;
  border-radius: 10px;
}
.cartRow:hover { background: rgba(255,255,255,0.03); }
.cartRow + .cartRow { border-top: 1px solid rgba(255,255,255,0.06); }
.cartName { font-size: 12px; margin: 0; }
.cartPrice { font-family: var(--mono); font-size: 12px; color: var(--muted); }

.summary {
  width: 100%;
  min-height: 180px;
  resize: vertical;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.35;
}

.footer { margin-top: 14px; font-size: 12px; color: var(--muted); }

.toast {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(18, 20, 26, 0.95);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 12px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}
.toast.show { opacity: 1; }