:root {
  color-scheme: light;
  --bg: #f5f5f5;
  --panel: #ffffff;
  --panel-soft: #fafafa;
  --text: #171717;
  --muted: #666666;
  --line: #d7d7d7;
  --line-dark: #a8a8a8;
  --accent: #242424;
  --danger: #b42318;
  --danger-bg: #fff1f0;
  --ok: #1f7a3a;
  --ok-bg: #eef8f0;
  --shadow: 0 14px 40px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

button {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  padding: 9px 13px;
  font-weight: 700;
  cursor: pointer;
}

button.secondary {
  background: #efefef;
  border-color: #dedede;
  color: var(--text);
}

button.danger {
  background: var(--danger-bg);
  border-color: #ffd3cf;
  color: var(--danger);
}

button:disabled {
  opacity: 0.5;
  cursor: default;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  padding: 9px 11px;
}

textarea {
  min-height: 76px;
  resize: vertical;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

th,
td {
  border: 1px solid var(--line);
  padding: 10px;
  vertical-align: top;
  text-align: left;
}

th {
  background: #f0f0f0;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.login-card {
  width: min(420px, 100%);
  padding: 28px;
}

.app-shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 22px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  padding: 2px 9px;
  background: #efefef;
  color: #333;
  font-size: 12px;
  font-weight: 800;
}

.badge.dark {
  background: #222;
  color: #fff;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.nav button {
  padding: 8px 10px;
}

.nav button.active {
  background: #fff;
  color: var(--text);
}

.content {
  width: min(1760px, 100%);
  margin: 0 auto;
  padding: 22px;
}

.panel {
  padding: 18px;
  margin-bottom: 18px;
}

.stack {
  display: grid;
  gap: 14px;
}

.row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.between {
  justify-content: space-between;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
  gap: 12px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(220px, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(180px, 1fr));
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
}

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

.message {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  background: var(--panel-soft);
}

.message.error {
  border-color: #ffd3cf;
  background: var(--danger-bg);
  color: var(--danger);
}

.message.ok {
  border-color: #c9e9d0;
  background: var(--ok-bg);
  color: var(--ok);
}

.work-items {
  display: grid;
  gap: 10px;
}

.work-item-row {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) 90px 130px 110px auto;
  gap: 8px;
  align-items: end;
}

.doc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.doc-actions button {
  padding: 6px 8px;
  font-size: 12px;
}

.totals {
  display: grid;
  grid-template-columns: repeat(5, minmax(140px, 1fr));
  gap: 10px;
}

.metric {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  background: #fff;
}

.metric strong {
  display: block;
  font-size: 20px;
}

.source-kwork {
  color: #fff;
  background: #222;
}

.source-document {
  background: #efefef;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--text);
}

.switch input {
  width: auto;
}

.hidden {
  display: none !important;
}

@media (max-width: 980px) {
  .grid,
  .grid.two,
  .grid.three,
  .totals {
    grid-template-columns: 1fr;
  }

  .work-item-row {
    grid-template-columns: 1fr;
  }
}