:root {
  --bg: #eef2f7;
  --card: #fff;
  --border: #dbe3ef;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #2563eb;
  --warn: #b45309;
  --ok: #047857;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, Segoe UI, Roboto, Arial, sans-serif;
}

.layout-root {
  min-height: 100vh;
}

.topbar {
  background: linear-gradient(90deg, #0f172a, #1e3a8a);
  color: #f8fafc;
  padding: 16px 22px;
}

.topbar div {
  display: flex;
  gap: 12px;
  align-items: baseline;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.topnav {
  display: flex;
  gap: 8px;
}

.topnav a {
  color: #dbeafe;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.topnav a.active {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  font-weight: 600;
}

.topbar span {
  color: #bfdbfe;
  font-size: 13px;
}

.main-area {
  padding: 20px;
}

.page-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
}

.page-heading h1 {
  margin: 0;
  font-size: 26px;
}

.page-heading p {
  margin: 4px 0 0;
  color: var(--muted);
}

.heading-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  background: #0f766e;
}

.stock-table {
  max-height: 70vh;
}

.stock-table .grid th,
.stock-table .grid td {
  white-space: nowrap;
}

.toolbar,
.panel,
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.06);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: end;
  padding: 14px;
  margin-bottom: 16px;
}

.filter-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.filter-item label,
.card-title,
.filter-note {
  color: var(--muted);
  font-size: 12px;
}

.inp {
  min-width: 220px;
  padding: 9px 10px;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  background: #fff;
}

.btn {
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-weight: 700;
  padding: 10px 16px;
}

.btn:disabled {
  cursor: wait;
  opacity: 0.65;
}

.alert-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  border-radius: 12px;
  margin-bottom: 16px;
  padding: 12px 14px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.card {
  padding: 16px;
}

.card-value {
  font-size: 32px;
  font-weight: 850;
  letter-spacing: -0.03em;
}

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

.card-value.warn {
  color: var(--warn);
}

.sub {
  color: var(--muted);
  font-size: 12px;
}

.dashboard-grid,
.movement-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(520px, 1.4fr);
  gap: 16px;
  margin-bottom: 16px;
}

.movement-grid {
  grid-template-columns: repeat(2, minmax(360px, 1fr));
}

.panel {
  padding: 16px;
}

.panel h2 {
  font-size: 16px;
  margin: 0 0 14px;
}

.pie-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 18px;
  align-items: center;
}

.pie-chart {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 10px solid #fff;
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.12), 0 12px 24px rgba(15, 23, 42, 0.12);
}

.legend {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.legend-row {
  display: grid;
  grid-template-columns: 14px 1fr auto;
  gap: 9px;
  align-items: center;
  font-size: 13px;
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
}

.table-wrap {
  border: 1px solid var(--border);
  border-radius: 10px;
  max-height: 430px;
  overflow: auto;
}

.movement-table {
  max-height: 360px;
}

.grid {
  border-collapse: collapse;
  font-size: 12px;
  width: 100%;
}

.grid th,
.grid td {
  border-bottom: 1px solid var(--border);
  padding: 9px 10px;
  text-align: left;
  white-space: nowrap;
}

.grid thead {
  background: #f8fafc;
  position: sticky;
  top: 0;
  z-index: 1;
}

.grid .num {
  text-align: right;
}

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

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

.login-card {
  width: min(100%, 420px);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.login-card h1 {
  margin: 0 0 8px;
  font-size: 28px;
}

.login-subtitle {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 14px;
}

.login-form {
  display: grid;
  gap: 14px;
}

.login-btn {
  width: 100%;
  margin-top: 4px;
}

.logout-link {
  color: #fecaca;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.logout-link:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

@media (max-width: 980px) {
  .cards,
  .dashboard-grid,
  .movement-grid,
  .pie-layout {
    grid-template-columns: 1fr;
  }
}