@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@500&display=swap");
:root {
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --bg: #0a0a0b;
  --bg-elev: #111113;
  --bg-card: #141417;
  --bg-row-hover: #18181c;
  --border: #26262b;
  --border-strong: #3a3a42;
  --text: #f5f5f7;
  --text-dim: #a1a1ac;
  --text-faint: #6b6b76;
  --accent: #e5333b;
  --accent-hover: #ff4b52;
  --accent-soft: rgba(229, 51, 59, 0.14);
  --accent-ink: #ffffff;
  --ok: #4ccf8e;
  --warn: #e0a83d;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 10px 34px rgba(0, 0, 0, 0.5);
  --maxw: 1200px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3 {
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.01em;
}

input,
button,
select {
  font: inherit;
  color: inherit;
}

.mono {
  font-family: var(--font-mono);
}

.muted {
  color: var(--text-dim);
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 2rem 0 4rem;
}

.page-foot {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  color: var(--text-faint);
  font-size: 0.85rem;
  text-align: center;
}

.empty {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--text-dim);
}

.breadcrumbs {
  padding-top: 0.5rem;
}
.breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}
.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.breadcrumbs li:not(:first-child)::before {
  content: "/";
  color: var(--text-faint);
}
.breadcrumbs a {
  color: var(--text-dim);
}
.breadcrumbs a:hover {
  color: var(--accent-hover);
}
.breadcrumbs span[aria-current=page] {
  color: var(--text);
  font-weight: 500;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(10, 10, 11, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 62px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}
.brand .dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.brand b {
  color: var(--accent);
}
.brand .brand-tag {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  padding: 0.1rem 0.35rem;
  margin-left: 0.15rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.nav a {
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  color: var(--text-dim);
  font-size: 0.92rem;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}
.nav a:hover {
  background: var(--bg-card);
  color: var(--text);
}
.nav a.active {
  color: var(--text);
  background: transparent;
  border-radius: 0;
  box-shadow: inset 0 -2px 0 var(--accent);
}
.nav a.nav-muted {
  color: var(--text-faint);
}
@media (max-width: 600px) {
  .nav {
    gap: 0.1rem;
  }
  .nav a {
    padding: 0.45rem 0.5rem;
    font-size: 0.82rem;
  }
}

@media (max-width: 600px) {
  .site-header .bar {
    height: 58px;
  }
  .brand {
    font-size: 1.05rem;
  }
  .brand .brand-tag {
    display: none;
  }
}
.page-head {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 2rem 0 0.25rem;
}
.page-head h1 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
}
.page-head .count {
  color: var(--text-faint);
  font-size: 1.1rem;
  font-weight: 500;
}

.controls {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin: 1rem 0 1.5rem;
}
.controls .field {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 0.85rem;
  flex: 1 1 260px;
}
.controls .field:focus-within {
  border-color: var(--accent);
}
.controls .field input,
.controls .field select {
  background: transparent;
  border: 0;
  outline: 0;
  width: 100%;
  height: 44px;
  font-size: 16px;
}
.controls .field select {
  cursor: pointer;
}
.controls .field-set {
  flex: 0 1 240px;
}
@media (max-width: 600px) {
  .controls {
    flex-wrap: wrap;
  }
  .controls .field:not(.field-set) {
    flex: 1 1 100%;
  }
  .controls .field-set {
    flex: 1 1 0;
    min-width: 0;
  }
  .controls button {
    flex-shrink: 0;
  }
}
.controls button {
  height: 44px;
  padding: 0 1.3rem;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  cursor: pointer;
}
.controls button:hover {
  background: var(--accent-hover);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  color: var(--text-dim);
}
.pagination a {
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  transition: border-color 0.15s, color 0.15s;
}
.pagination a:hover {
  border-color: var(--accent);
  color: var(--text);
}
.pagination .disabled {
  opacity: 0.4;
  pointer-events: none;
}

.table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-card);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.data-table thead th {
  text-align: left;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
  font-weight: 600;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
}
.data-table tbody td {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.data-table tbody tr:last-child td {
  border-bottom: 0;
}
.data-table tbody tr.row {
  cursor: pointer;
  transition: background 0.12s;
}
.data-table tbody tr.row:hover {
  background: var(--bg-row-hover);
}
.data-table .col-img {
  width: 46px;
  padding-right: 0;
}
.data-table .col-img img {
  width: 34px;
  height: 47px;
  object-fit: contain;
  border-radius: 3px;
}
.data-table .cell-name a {
  font-weight: 600;
  color: var(--text);
}
.data-table .cell-name a:hover {
  color: var(--accent-hover);
}
.data-table .sku {
  font-size: 0.78rem;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.12rem 0.45rem;
  border-radius: 5px;
  white-space: nowrap;
}
.data-table .col-num {
  text-align: right;
  color: var(--text-dim);
}
.data-table .col-price {
  text-align: right;
  font-weight: 600;
  white-space: nowrap;
}
.data-table .col-stock {
  text-align: right;
  white-space: nowrap;
  color: var(--text-dim);
  font-size: 0.82rem;
}
.data-table .col-open {
  text-align: right;
  width: 1%;
  white-space: nowrap;
}
.data-table .col-open .open {
  color: var(--text-dim);
  font-size: 0.86rem;
}
.data-table .col-open .open:hover {
  color: var(--accent-hover);
}
@media (max-width: 900px) {
  .data-table .col-series,
  .data-table .col-open {
    display: none;
  }
}
@media (max-width: 600px) {
  .data-table {
    font-size: 0.95rem;
  }
  .data-table .col-sku,
  .data-table .col-num:not(.col-count),
  .data-table .col-code,
  .data-table .col-stock,
  .data-table .col-slug,
  .data-table .col-id,
  .data-table .col-open {
    display: none;
  }
  .data-table thead th,
  .data-table tbody td {
    padding: 0.85rem 0.9rem;
    overflow: hidden;
  }
  .data-table .cell-name a {
    font-size: 1rem;
  }
}

.back {
  display: inline-block;
  margin: 1.75rem 0 1rem;
  color: var(--text-dim);
  font-size: 0.9rem;
}
.back:hover {
  color: var(--accent-hover);
}

.detail-erp {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1.25rem;
  align-items: start;
}
@media (max-width: 900px) {
  .detail-erp {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
}
.panel .panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-bottom: 1.1rem;
  margin-bottom: 1.1rem;
  border-bottom: 1px solid var(--border);
}
.panel .panel-head h1 {
  font-size: clamp(1.35rem, 2.5vw, 1.9rem);
}
.panel .panel-head .sku {
  white-space: normal;
  word-break: break-word;
  overflow-wrap: anywhere;
}
.panel h2 {
  font-size: 1rem;
  margin-bottom: 0.9rem;
}

.erp-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.5rem;
}
@media (max-width: 600px) {
  .erp-grid {
    grid-template-columns: 1fr;
  }
}
.erp-grid .cover {
  background: radial-gradient(circle at 50% 25%, #1b1b20, #0c0c0e);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  display: grid;
  place-items: center;
}
.erp-grid .cover img {
  max-width: 100%;
  filter: drop-shadow(0 10px 22px rgba(0, 0, 0, 0.55));
}
.erp-grid .cover .noimg {
  color: var(--text-faint);
  padding: 3rem 0;
}

.fields {
  list-style: none;
}
.fields li {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}
.fields li:last-child {
  border-bottom: 0;
}
.fields li.full {
  grid-template-columns: 1fr;
  gap: 0.3rem;
}
.fields li label {
  color: var(--text-faint);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-top: 0.1rem;
}
.fields li span {
  color: var(--text);
  word-break: break-word;
  overflow-wrap: anywhere;
}
.fields li a {
  color: var(--accent-hover);
}
.fields li .accent {
  color: var(--accent);
}
.fields li .small {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.form-error {
  font-size: 0.85rem;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.75rem;
}

.stock-section {
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.stock-form {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.75rem;
}
.stock-form .field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
}
.stock-form .field:focus-within {
  border-color: var(--accent);
}
.stock-form .field span {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-faint);
}
.stock-form .field input[type=number] {
  background: transparent;
  border: 0;
  outline: 0;
  width: 100%;
  color: var(--text);
  font-size: 1rem;
  font-family: var(--font-mono);
  padding: 0;
}
.stock-form .field input[type=number]::-webkit-inner-spin-button, .stock-form .field input[type=number]::-webkit-outer-spin-button {
  opacity: 0.4;
}
.stock-form button[type=submit] {
  align-self: flex-start;
  height: 38px;
  padding: 0 1.1rem;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: background 0.12s;
}
.stock-form button[type=submit]:hover {
  background: var(--accent-hover);
}
@media (max-width: 600px) {
  .stock-form button[type=submit] {
    align-self: stretch;
    width: 100%;
  }
}

.side {
  position: sticky;
  top: 84px;
}
@media (max-width: 900px) {
  .side {
    position: static;
  }
}
.side .price-big {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1rem;
}
.side .price-big span {
  font-size: 1rem;
  color: var(--text-dim);
  font-weight: 500;
}
.side .api-hint {
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.side .api-hint .muted {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  margin-bottom: 0.35rem;
}
.side .api-hint code {
  font-size: 0.74rem;
  color: var(--text-dim);
  word-break: break-all;
}

.login-body {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 1.5rem;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
}
.login-card .brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
}
.login-card .brand .dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.login-card .brand b {
  color: var(--accent);
}
.login-card .brand .brand-tag {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  padding: 0.1rem 0.35rem;
}
.login-card .login-sub {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin: 0.4rem 0 1.5rem;
}
.login-card .login-error {
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  color: var(--accent-hover);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.8rem;
  font-size: 0.86rem;
  margin-bottom: 1rem;
}
.login-card .login-field {
  display: block;
  margin-bottom: 1rem;
}
.login-card .login-field span {
  display: block;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
}
.login-card .login-field input {
  width: 100%;
  height: 44px;
  padding: 0 0.85rem;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 16px;
  color: var(--text);
}
.login-card .login-field input:focus {
  outline: 0;
  border-color: var(--accent);
}
.login-card button {
  width: 100%;
  height: 46px;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
}
.login-card button:hover {
  background: var(--accent-hover);
}
.login-card .login-hint {
  margin-top: 1.25rem;
  font-size: 0.82rem;
  color: var(--text-faint);
}
.login-card .login-hint code {
  color: var(--text-dim);
}