:root {
  --pd-primary: #3465d0;
  --pd-primary-dark: #244da8;
  --pd-accent: #51ac90;
  --pd-text: #152033;
  --pd-muted: #64748b;
  --pd-line: #dbe3ee;
  --pd-bg: #f5f7fb;
  --pd-panel: #ffffff;
  --pd-danger: #c24141;
  --pd-warning: #b7791f;
  --pd-success: #21836c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--pd-bg);
  color: var(--pd-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
}

a {
  color: var(--pd-primary);
  text-decoration: none;
}

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

.auth-panel,
.panel {
  background: var(--pd-panel);
  border: 1px solid var(--pd-line);
  border-radius: 8px;
  box-shadow: 0 18px 50px rgba(21, 32, 51, 0.08);
}

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

.brand-logo {
  display: block;
  max-width: 100%;
  height: auto;
}

.brand-logo-sidebar {
  width: 190px;
}

.brand-logo-login {
  width: 270px;
}

.auth-brand {
  display: grid;
  gap: 6px;
  margin-bottom: 22px;
}

.app-shell {
  display: grid;
  grid-template-columns: 244px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  background: #0f1b33;
  color: #dbe7ff;
  padding: 20px 16px;
}

.sidebar .brand {
  display: flex;
  align-items: center;
  margin-bottom: 24px;
  color: #fff;
  font-weight: 800;
}

.nav {
  display: grid;
  gap: 4px;
}

.nav a,
.logout-button {
  display: flex;
  align-items: center;
  min-height: 38px;
  padding: 9px 10px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: #dbe7ff;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.nav a.active,
.nav a:hover,
.logout-button:hover {
  background: rgba(255, 255, 255, 0.11);
  color: #fff;
}

.main {
  min-width: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 24px;
  background: #fff;
  border-bottom: 1px solid var(--pd-line);
}

.content {
  padding: 24px;
}

.page-title {
  margin: 0;
  font-size: 24px;
  letter-spacing: 0;
}

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

.grid {
  display: grid;
  gap: 16px;
}

.stats-grid {
  grid-template-columns: repeat(5, minmax(150px, 1fr));
}

.two-col {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.panel {
  padding: 18px;
}

.metric {
  display: grid;
  gap: 8px;
}

.metric span {
  color: var(--pd-muted);
}

.metric strong {
  font-size: 24px;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

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

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--pd-line);
  border-radius: 8px;
  background: #fff;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 12px;
  border-bottom: 1px solid var(--pd-line);
  text-align: left;
  vertical-align: top;
}

th {
  color: #475569;
  background: #f8fafc;
  font-size: 12px;
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 999px;
  background: #edf2ff;
  color: var(--pd-primary-dark);
  font-size: 12px;
  font-weight: 700;
}

.badge.success {
  background: #e7f7f2;
  color: var(--pd-success);
}

.badge.warning {
  background: #fff4dc;
  color: var(--pd-warning);
}

.badge.danger {
  background: #feecec;
  color: var(--pd-danger);
}

.button,
button,
input[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 8px 12px;
  border: 1px solid var(--pd-line);
  border-radius: 6px;
  background: #fff;
  color: var(--pd-text);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.button.primary,
button.primary,
input.primary {
  border-color: var(--pd-primary);
  background: var(--pd-primary);
  color: #fff;
}

.button.danger,
button.danger {
  border-color: #f2c7c7;
  background: #fff5f5;
  color: var(--pd-danger);
}

.button.accent,
button.accent {
  border-color: var(--pd-accent);
  background: var(--pd-accent);
  color: #fff;
}

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

label {
  display: grid;
  gap: 6px;
  color: #334155;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-height: 38px;
  padding: 9px 10px;
  border: 1px solid var(--pd-line);
  border-radius: 6px;
  background: #fff;
  color: var(--pd-text);
  font: inherit;
}

textarea {
  min-height: 84px;
  resize: vertical;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(160px, 1fr));
  gap: 12px;
}

.form-grid .full {
  grid-column: 1 / -1;
}

.flash {
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 6px;
  background: #e7f7f2;
  color: var(--pd-success);
  font-weight: 700;
}

.error-list {
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 6px;
  background: #feecec;
  color: var(--pd-danger);
}

details {
  margin-top: 8px;
}

summary {
  color: var(--pd-primary);
  cursor: pointer;
  font-weight: 700;
}

.pagination {
  margin-top: 16px;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .stats-grid,
  .two-col,
  .form-grid {
    grid-template-columns: 1fr;
  }
}