:root {
  --bg: #0f1115; --panel: #151922; --muted: #8892a6; --text: #e6e9f2;
  --accent: #4da3ff; --ok: #32d296; --err: #ff6b6b; --border: #1f2430;
  --input: #101521; --field-border: #2a3142;
  --heading: #fff; --surface-soft: rgba(255,255,255,0.02); --hover: rgba(255,255,255,0.05);
  --detail: #0b0e13; --inner-head: #1a1e26; --cell-border: rgba(255,255,255,0.05);
  --sent-bg: rgba(0,0,0,0.2); --overlay: rgba(6,8,12,0.72); --shadow: rgba(0,0,0,0.55);
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #eef1f5; --panel: #ffffff; --muted: #667085; --text: #202631;
  --accent: #1769aa; --ok: #087f5b; --err: #c92a2a; --border: #d9dee7;
  --input: #f7f9fc; --field-border: #cbd3df;
  --heading: #151922; --surface-soft: rgba(15,23,42,0.025); --hover: rgba(15,23,42,0.055);
  --detail: #f5f7fa; --inner-head: #e9edf3; --cell-border: rgba(15,23,42,0.08);
  --sent-bg: rgba(15,23,42,0.05); --overlay: rgba(31,41,55,0.42); --shadow: rgba(31,41,55,0.2);
  color-scheme: light;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: ui-sans-serif, system-ui, sans-serif;
  background: var(--bg); color: var(--text); height: 100vh; overflow: hidden;
}
.wrap { display: flex; height: 100vh; gap: 16px; padding: 16px; }
.left { width: 350px; flex-shrink: 0; background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 20px; display: flex; flex-direction: column; gap: 16px; overflow-y: auto; }
.right { flex-grow: 1; display: flex; flex-direction: column; gap: 16px; overflow: hidden; }

.brand-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-logo {
  width: 38px; height: 38px; flex: 0 0 38px; border-radius: 6px; object-fit: contain;
}
h1 { font-size: 18px; margin: 0; color: var(--heading); }
.subtitle { font-size: 12px; color: var(--muted); }
.theme-toggle { width: 38px; height: 38px; flex: 0 0 38px; font-size: 17px; }
.mode-selector {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px;
  border: 1px solid var(--field-border); border-radius: 10px; background: var(--input);
}
.mode-option {
  border: 1px solid transparent; border-radius: 7px; padding: 9px 8px; cursor: pointer;
  background: transparent; color: var(--muted); font-size: 13px; font-weight: 600;
}
.mode-option.active { background: var(--panel); color: var(--text); border-color: var(--field-border); }
.order-summary {
  display: grid; grid-template-columns: 1fr 1fr; gap: 7px 10px; padding: 10px;
  border: 1px solid var(--border); border-radius: 8px; background: var(--surface-soft);
}
.order-summary-item { min-width: 0; }
.order-summary-label { display: block; color: var(--muted); font-size: 9px; font-weight: 700; text-transform: uppercase; }
.order-summary-value { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11px; }

.field-group { display: flex; flex-direction: column; gap: 4px; }
.field-group label { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.field-label-row { min-height: 18px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.inline-loading { display: inline-flex; align-items: center; gap: 5px; color: var(--accent); font-size: 10px; font-weight: 600; }
.loading-spinner {
  width: 11px; height: 11px; border: 2px solid var(--field-border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.field-group input, .field-group textarea, .field-group select {
  background: var(--input); border: 1px solid var(--field-border); border-radius: 10px;
  padding: 10px 12px; color: var(--text); font-size: 13px; transition: border-color 0.2s;
}
.field-group input:focus, .field-group select:focus { border-color: var(--accent); outline: none; }
.field-group select:disabled { opacity: 0.6; cursor: not-allowed; }
.field-note { color: var(--muted); font-size: 10px; min-height: 13px; }
.site-search { display: grid; grid-template-columns: 1fr 42px; gap: 8px; }
.site-search .icon-btn { height: 38px; }
.site-results {
  max-height: 190px; overflow-y: auto; border: 1px solid var(--field-border); border-radius: 8px;
  background: var(--input); padding: 4px; display: flex; flex-direction: column; gap: 2px;
}
.site-result {
  display: grid; gap: 2px; width: 100%; padding: 8px; border: 0; border-radius: 6px;
  background: transparent; color: var(--text); text-align: left; cursor: pointer;
}
.site-result:hover, .site-result:focus { background: var(--hover); outline: none; }
.site-result-code { font-size: 12px; font-weight: 700; }
.site-result-name { font-size: 10px; color: var(--muted); }

.filedrop {
  border: 2px dashed var(--field-border); border-radius: 14px; padding: 30px 20px;
  text-align: center; background: var(--surface-soft); display: flex; flex-direction: column; gap: 12px; transition: all 0.2s;
}
.filedrop.active { border-color: var(--accent); background: rgba(77, 163, 255, 0.05); }
.filedrop.disabled { opacity: 0.4; cursor: not-allowed; grayscale: 1; }

.btn {
  padding: 10px 16px; border-radius: 10px; font-size: 13px; font-weight: 600; cursor: pointer;
  border: 1px solid var(--field-border); background: var(--panel); color: var(--text); transition: all 0.2s;
}
.btn:hover:not(:disabled) { background: var(--hover); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.primary { background: rgba(77, 163, 255, 0.1); border-color: rgba(77, 163, 255, 0.3); color: var(--accent); }
.btn.ok { background: rgba(50, 210, 150, 0.1); border-color: rgba(50, 210, 150, 0.3); color: var(--ok); }
.split-action { display: grid; grid-template-columns: 1fr 42px; gap: 10px; align-items: stretch; }
.split-action .btn { height: 42px; }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center; padding: 0;
  font-size: 18px; line-height: 1;
}

.status-container { flex-grow: 1; display: flex; flex-direction: column; gap: 6px; overflow: hidden; }
.status-container label { font-size: 10px; font-weight: bold; text-transform: uppercase; color: var(--muted); }
.status { background: var(--input); border: 1px solid var(--border); border-radius: 12px; padding: 12px; font-family: monospace; font-size: 11px; overflow-y: auto; flex-grow: 1; white-space: pre-wrap; }

.table-card { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; display: flex; flex-direction: column; flex-grow: 1; overflow: hidden; }
.table-header { padding: 10px 14px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; gap: 12px; background: var(--surface-soft); }
.table-tools { display: flex; align-items: center; justify-content: flex-end; gap: 8px; min-width: 0; }
.bulk-subtype { display: flex; align-items: center; gap: 6px; }
.bulk-subtype select, .subtype-select {
  background: var(--input); border: 1px solid var(--field-border); border-radius: 8px; color: var(--text);
  padding: 6px 8px; font-size: 12px; min-width: 130px;
}
.compact-btn { padding: 6px 9px; border-radius: 8px; font-size: 11px; white-space: nowrap; }
.search-box input { background: var(--input); border: 1px solid var(--field-border); border-radius: 8px; padding: 6px 12px; color: var(--text); font-size: 12px; width: 220px; }
.badge { background: rgba(77,163,255,0.2); color: var(--accent); font-size: 10px; padding: 2px 8px; border-radius: 10px; font-weight: bold; }

.table-scroll { overflow: auto; flex-grow: 1; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { position: sticky; top: 0; background: var(--bg); z-index: 10; padding: 12px; text-align: left; font-size: 11px; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--border); }
td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
tr.sent { opacity: 0.4; background: var(--sent-bg); }
.empty-state { text-align: center; padding: 40px; color: var(--muted); font-style: italic; }

.sortable { cursor: pointer; }
.sortable:hover { color: var(--accent); }

.detail-row td { background: var(--detail); padding: 0; }
.inner-table { width: 100%; font-size: 11px; margin: 10px 0; border: 1px solid var(--field-border); }
.inner-table th { background: var(--inner-head); padding: 6px; }
.inner-table td { border: 1px solid var(--cell-border); padding: 4px 8px; }
.qty-input {
  width: 72px; min-width: 72px; background: var(--input); border: 1px solid var(--field-border);
  border-radius: 8px; color: var(--text); padding: 6px 8px; font-size: 12px;
}
.qty-input:focus { border-color: var(--accent); outline: none; }
.subtype-select { max-width: 175px; width: 100%; }
.delete-btn { width: 30px; height: 30px; color: var(--err); font-size: 16px; }
.direct-qty-input { width: 72px; }

@media (max-width: 1200px) {
  .table-tools { flex-wrap: wrap; }
  .search-box input { width: 180px; }
}

.order-form { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 20px; display: flex; flex-direction: column; gap: 16px; box-shadow: 0 -10px 30px var(--shadow); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.modal-overlay {
  position: fixed; inset: 0; z-index: 1000; background: var(--overlay);
  display: flex; align-items: center; justify-content: center; padding: 22px;
}
.csv-config-panel {
  width: min(1180px, 96vw); height: min(760px, 92vh); background: var(--panel);
  border: 1px solid var(--border); border-radius: 16px; display: flex; flex-direction: column;
  box-shadow: 0 20px 70px var(--shadow); overflow: hidden;
}
.modal-header, .modal-actions {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 16px; border-bottom: 1px solid var(--border);
}
.modal-header h2 { margin: 0; font-size: 16px; }
.modal-actions { justify-content: flex-end; border-top: 1px solid var(--border); border-bottom: 0; }
.csv-config-layout {
  min-height: 0; flex: 1; display: grid; grid-template-columns: minmax(380px, 420px) 1fr;
}
.csv-column-editor, .csv-preview { min-height: 0; display: flex; flex-direction: column; }
.csv-column-editor { border-right: 1px solid var(--border); }
.csv-section-title {
  padding: 10px 14px; border-bottom: 1px solid var(--border); color: var(--muted);
  font-size: 11px; font-weight: 700; text-transform: uppercase;
}
.csv-column-list { overflow: auto; padding: 10px; display: flex; flex-direction: column; gap: 8px; }
.csv-column-row {
  display: grid; grid-template-columns: 34px 34px minmax(110px, 1fr) minmax(130px, 1fr);
  gap: 8px; align-items: center;
}
.csv-column-row input, .csv-column-row select {
  min-width: 0; width: 100%; background: var(--input); border: 1px solid var(--field-border);
  border-radius: 8px; color: var(--text); padding: 8px; font-size: 12px;
}
.csv-column-row select option { background: var(--input); color: var(--text); }
.csv-column-row .icon-btn { height: 34px; width: 34px; font-size: 14px; }
.csv-preview-scroll { overflow: auto; flex: 1; }
#csvPreviewTable { min-width: 100%; width: max-content; }
#csvPreviewTable th, #csvPreviewTable td { white-space: nowrap; font-size: 11px; }
.hidden { display: none !important; }