:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-2: #eef3f6;
  --line: #d3dae1;
  --line-strong: #aeb8c2;
  --text: #1c252e;
  --muted: #5c6875;
  --accent: #176b87;
  --accent-strong: #0e5269;
  --danger: #a63a3a;
  --warning: #8a5a00;
  --ok: #236b45;
  --focus: #111827;
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  letter-spacing: 0;
}

button,
input,
select {
  font: inherit;
}

button,
.download-link {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 6px;
  padding: 0.42rem 0.65rem;
  cursor: pointer;
  min-height: 2rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

button:hover,
button:focus-visible,
.download-link:hover,
.download-link:focus-visible,
input:focus-visible,
select:focus-visible {
  border-color: var(--accent);
  outline: 2px solid color-mix(in srgb, var(--accent) 35%, transparent);
  outline-offset: 1px;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.danger-button {
  border-color: color-mix(in srgb, var(--danger) 40%, var(--line));
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.app-header h1,
.panel h2,
.tab-content h3 {
  margin: 0;
  line-height: 1.2;
}

.app-header h1 {
  font-size: 1.18rem;
}

.app-header p {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.layout {
  display: grid;
  grid-template-columns: minmax(340px, 0.85fr) minmax(620px, 1.55fr);
  gap: 0.85rem;
  padding: 0.85rem;
  max-width: 1680px;
  margin: 0 auto;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  min-width: 0;
  overflow: hidden;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--line);
  background: #fbfcfd;
}

.panel h2,
.tab-content h3 {
  font-size: 0.98rem;
}

.tab-content h3 {
  margin-top: 0.85rem;
}

.chip,
.badge {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.16rem 0.45rem;
  color: var(--muted);
  font-size: 0.76rem;
  white-space: nowrap;
}

.ok-badge {
  color: var(--ok);
  border-color: color-mix(in srgb, var(--ok) 40%, var(--line));
}

.warning-badge {
  color: var(--warning);
  border-color: color-mix(in srgb, var(--warning) 40%, var(--line));
}

.blocked-badge {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 40%, var(--line));
}

.dropzone {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.7rem 0.75rem;
  border-bottom: 1px solid var(--line);
}

.dropzone.drag-over {
  background: color-mix(in srgb, var(--accent) 8%, #fff);
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--accent) 45%, transparent);
}

.file-label,
.search-label,
.workflow-form label {
  color: var(--muted);
  font-size: 0.78rem;
}

.dropzone input,
.workflow-form select,
.workflow-form input,
.table-toolbar input {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.38rem 0.48rem;
  background: #fff;
  color: var(--text);
}

.status-line {
  min-height: 1.25rem;
  padding: 0.4rem 0.75rem;
  font-size: 0.84rem;
}

.tabs {
  display: flex;
  gap: 0.3rem;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: thin;
}

.tab {
  flex: 0 0 auto;
}

.tab.active {
  background: var(--accent);
  border-color: var(--accent-strong);
  color: #fff;
}

.tab-content {
  padding: 0.75rem;
  min-width: 0;
}

.workflow-form {
  display: grid;
  grid-template-columns: repeat(4, minmax(140px, 1fr)) auto;
  gap: 0.55rem;
  align-items: end;
  margin-bottom: 0.65rem;
}

.workflow-form label {
  display: grid;
  gap: 0.2rem;
}

.import-form {
  grid-template-columns: repeat(3, minmax(135px, 1fr)) minmax(130px, auto) auto;
}

.checkbox-label {
  display: flex !important;
  align-items: center;
  justify-content: start;
  gap: 0.45rem;
  min-height: 2rem;
}

.checkbox-label input {
  width: 1rem;
  height: 1rem;
}

.blocked-note,
.disabled-link {
  align-self: end;
  color: var(--muted);
  font-size: 0.82rem;
  min-height: 2rem;
  display: inline-flex;
  align-items: center;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(115px, 1fr));
  gap: 0.45rem;
  margin: 0.65rem 0;
}

.summary-grid span {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.48rem;
  color: var(--muted);
  min-width: 0;
}

.summary-grid strong {
  display: block;
  color: var(--text);
  margin-top: 0.12rem;
  overflow-wrap: anywhere;
}

.warning-list {
  margin: 0.55rem 0;
  color: var(--danger);
}

.compare-actions,
.row-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.compare-actions {
  margin: 0.7rem 0;
}

.table-shell {
  overflow: auto;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.table-toolbar {
  position: sticky;
  left: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem;
  border-bottom: 1px solid var(--line);
  background: #fbfcfd;
  min-width: max-content;
}

.search-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 0.82rem;
}

th,
td {
  text-align: left;
  padding: 0.38rem 0.48rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  overflow-wrap: anywhere;
}

th {
  background: var(--surface-2);
  color: #2f3c48;
  position: sticky;
  top: 0;
  z-index: 1;
}

.sort-button {
  border: 0;
  background: transparent;
  padding: 0;
  min-height: 0;
  color: inherit;
  font-weight: 700;
  white-space: normal;
  text-align: left;
}

.cell-label {
  display: grid;
  gap: 0.15rem;
  min-width: 8rem;
}

.cell-label span {
  color: var(--muted);
  font-size: 0.7rem;
}

.cell-label input {
  width: 100%;
}

.dirty,
.dirty-input {
  color: var(--warning);
}

.dirty-input {
  border-color: color-mix(in srgb, var(--warning) 55%, var(--line)) !important;
  background: #fffaf0;
}

.empty-state {
  margin: 0;
  padding: 0.75rem;
  color: var(--muted);
}

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

.error {
  color: var(--danger);
}

.ok {
  color: var(--ok);
}

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .app-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .layout {
    padding: 0.5rem;
    gap: 0.5rem;
  }

  .dropzone,
  .workflow-form,
  .import-form,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .dropzone button,
  .workflow-form button {
    justify-self: start;
  }

  .table-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  table {
    min-width: 680px;
  }
}