/* Theme variables and core styles */
:root {
  --bg: #f6f8fc;
  --panel: #ffffff;
  --muted: #556070;
  --text: #0f1720;
  --acc: #0b5cff;
  --acc-2: #1a7f37;
  --danger: #d11a2a;
  --warn: #9a6b00;
  --border: #dfe3ea;
  --row: #f3f6fb;
  --head: #eef2f8;
}
:root[data-theme="dark"] {
  --bg: #0f1222;
  --panel: #171a2a;
  --muted: #99a3b3;
  --text: #e6ecf1;
  --acc: #2151d1;
  --acc-2: #7ee58f;
  --danger: #ff6b6b;
  --warn: #ffd166;
  --border: #20263a;
  --row: #121528;
  --head: #14182a;
}
* {
  box-sizing: border-box;
}
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, "Helvetica Neue", Arial;
}
a {
  color: var(--acc);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px;
}
/* Top bar / navigation */
.toolbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
}
.brand a {
  color: var(--text);
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.topnav a {
  margin-right: 14px;
  color: var(--muted);
}
.topnav a:hover {
  color: var(--text);
}
.topnav a.active {
  color: var(--text);
  font-weight: 600;
}
.spacer {
  flex: 1;
}
footer, .footer {
  padding: 24px;
  color: var(--muted);
  text-align: center;
  border-top: 1px solid var(--border);
  background: var(--panel);
  margin-top: 40px;
}
/* Cards and panels */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  margin: 12px 0;
}

/* KPI grid */
.kpis {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 16px 0;
}

.kpi-card {
  flex: 1 1 calc(25% - 12px);
  min-width: 200px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.kpi-icon svg {
  width: 28px;
  height: 28px;
  fill: var(--acc);
}

.kpi-value {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
}

.kpi-label {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 4px;
}
h1, h2, h3 {
  margin: 16px 0 10px;
}
/* Table */
.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}
.table th,
.table td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.table th {
  font-weight: 600;
  color: var(--muted);
  text-align: left;
  background: var(--head);
  position: sticky;
  top: 44px;
  z-index: 5;
}
.table tr:hover td {
  background: var(--row);
}
.table .empty {
  text-align: center;
  color: var(--muted);
}
.thumb {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--border);
  background: var(--row);
}
/* Badges */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--border);
  color: var(--muted);
}
/* Buttons */
.btn {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
}
.btn:hover {
  background: var(--row);
}
.btn.primary {
  background: var(--acc);
  border-color: var(--acc);
  color: #fff;
}
.btn.primary:hover {
  filter: brightness(0.95);
}
.btn.danger {
  background: #4a1f27;
  border-color: #6d2a36;
  color: #ffd0d0;
}
.btn.secondary {
  background: var(--row);
  border-color: var(--border);
  color: var(--text);
}
.btn-outline {
  background: transparent;
}
/* Inputs and form controls */
input[type=text],
input[type=number],
input[type=date],
input[type=email],
select,
textarea {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--row);
  color: var(--text);
}
:root[data-theme="dark"] input[type=text],
:root[data-theme="dark"] input[type=number],
:root[data-theme="dark"] input[type=date],
:root[data-theme="dark"] input[type=email],
:root[data-theme="dark"] select,
:root[data-theme="dark"] textarea {
  background: #0e1226;
  color: #e6ecf1;
}
label {
  display: inline-block;
  margin: 8px 0 6px;
  color: var(--muted);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-actions {
  margin-top: 12px;
  display: flex;
  gap: 10px;
}
/* Alerts */
.alert {
  padding: 10px 12px;
  border-radius: 8px;
  margin: 8px 0;
}
.alert.ok {
  background: #e6f5ea;
  border: 1px solid #b5e3c4;
}
.alert.err {
  background: #ffe6e6;
  border: 1px solid #ffc2c2;
}
/* Controls (inline form elements) */
.controls {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.checkbox {
  width: 18px;
  height: 18px;
}
small.muted {
  color: var(--muted);
}
.search-inline {
  min-width: 260px;
}
/* KPI bar */
.kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 8px 0;
}
.kpi {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
}
.kpi .v {
  font-size: 18px;
  font-weight: 700;
}
.kpi .l {
  color: var(--muted);
  font-size: 12px;
}
/* Pagination */
.pagination {
  display: flex;
  gap: 8px;
  align-items: center;
  margin: 16px 0;
  justify-content: center;
}
.pagination .muted {
  color: var(--muted);
}
/* Product visual picker */
.picker-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .4);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.picker-panel {
  width: min(920px, 96vw);
  max-height: 85vh;
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
}
.picker-head {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.picker-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.picker-item {
  display: flex;
  gap: 10px;
  border: 1px solid var(--border);
  padding: 8px;
  border-radius: 10px;
  cursor: pointer;
  align-items: center;
}
.picker-item:hover {
  background: var(--row);
}
.picker-item img {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--border);
}
/* Additional classes from legacy styles to maintain compatibility */
.form {
  margin-top: 20px;
}
.form-group {
  margin-bottom: 16px;
}
.form-label {
  display: block;
  margin-bottom: 6px;
  font-weight: bold;
}
.form-input,
.form-select,
textarea {
  width: 90%;
  margin: 0 auto;
  display: block;
}
.order-items {
  margin-bottom: 20px;
}
.order-item {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}
.order-item .form-select {
  flex: 2;
}
.order-item .qty {
  width: 80px;
}
.btn-tertiary {
  background: transparent;
  color: var(--acc);
}
.error-list {
  background: #ffe5e5;
  border: 1px solid #f5c2c2;
  padding: 10px;
  border-radius: 4px;
  margin-bottom: 20px;
}
.error-item {
  color: #a94442;
}
.actions a {
  margin-right: 8px;
  font-size: 1.1rem;
  text-decoration: none;
}
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(0, 0, 0, 0.5);
}
.modal.hidden {
  display: none;
}
.modal-content {
  background: #fff;
  padding: 20px;
  border-radius: 4px;
  max-width: 400px;
  width: 90%;
}
.modal-close {
  float: right;
  cursor: pointer;
  font-size: 1.5rem;
}