:root {
  --p-bg-canvas: #f1f2f4;
  --p-bg-surface: #ffffff;
  --p-bg-surface-subdued: #f7f7f7;
  --p-border: #e3e3e3;
  --p-border-strong: #c9cccf;
  --p-text: #303030;
  --p-text-subdued: #616161;
  --p-primary: #303030;
  --p-primary-hover: #1a1a1a;
  --p-accent: #005bd3;
  --p-critical-bg: #fee8eb;
  --p-critical-text: #8e0b21;
  --p-warning-bg: #fff1e3;
  --p-warning-text: #5e4200;
  --p-success-bg: #cdfee1;
  --p-success-text: #0c5132;
  --p-info-bg: #eaf4ff;
  --p-info-text: #003a5a;
  --p-radius: 12px;
  --p-radius-sm: 8px;
  --p-shadow: 0 1px 2px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background: var(--p-bg-canvas);
  color: var(--p-text);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "San Francisco", "Segoe UI", Roboto, sans-serif;
  font-size: 13px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

.p-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px 24px 56px;
}

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

.p-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.p-brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #1a1a1a;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.p-title {
  font-size: 18px;
  font-weight: 650;
  margin: 0;
  letter-spacing: -0.01em;
}

.p-subtitle {
  font-size: 12px;
  color: var(--p-text-subdued);
  margin: 2px 0 0;
}

.p-tabs {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid var(--p-border);
  padding-bottom: 10px;
  margin-bottom: 18px;
  overflow-x: auto;
}

.p-tab {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--p-text-subdued);
  font-size: 13px;
  font-weight: 550;
  padding: 6px 12px;
  border-radius: var(--p-radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.p-tab:hover {
  background: rgba(0, 0, 0, 0.04);
  color: var(--p-text);
}

.p-tab.is-active {
  background: var(--p-bg-surface);
  color: var(--p-text);
  box-shadow: var(--p-shadow);
}

.p-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

@media (max-width: 900px) {
  .p-grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .p-grid-4 {
    grid-template-columns: 1fr;
  }
}

.p-card {
  background: var(--p-bg-surface);
  border-radius: var(--p-radius);
  box-shadow: var(--p-shadow);
  padding: 16px;
  margin-bottom: 16px;
}

.p-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.p-card-title {
  font-size: 14px;
  font-weight: 600;
  margin: 0;
}

.p-kpi-label {
  font-size: 12px;
  color: var(--p-text-subdued);
  margin-bottom: 4px;
}

.p-kpi-value {
  font-size: 22px;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.p-btn {
  appearance: none;
  border: 1px solid var(--p-border-strong);
  background: var(--p-bg-surface);
  color: var(--p-text);
  font-size: 12.5px;
  font-weight: 550;
  padding: 6px 12px;
  border-radius: var(--p-radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.12s ease;
}

.p-btn:hover:not(:disabled) {
  background: var(--p-bg-surface-subdued);
}

.p-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.p-btn-primary {
  background: var(--p-primary);
  color: #ffffff;
  border-color: var(--p-primary);
}

.p-btn-primary:hover:not(:disabled) {
  background: var(--p-primary-hover);
}

.p-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 550;
}

.p-badge-critical {
  background: var(--p-critical-bg);
  color: var(--p-critical-text);
}

.p-badge-warning {
  background: var(--p-warning-bg);
  color: var(--p-warning-text);
}

.p-badge-success {
  background: var(--p-success-bg);
  color: var(--p-success-text);
}

.p-badge-info {
  background: var(--p-info-bg);
  color: var(--p-info-text);
}

.p-table-wrap {
  width: 100%;
  overflow-x: auto;
}

.p-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.p-table th {
  text-align: left;
  font-weight: 600;
  color: var(--p-text-subdued);
  padding: 9px 10px;
  border-bottom: 1px solid var(--p-border);
  background: var(--p-bg-surface-subdued);
  white-space: nowrap;
}

.p-table td {
  padding: 10px;
  border-bottom: 1px solid var(--p-border);
  vertical-align: middle;
}

.p-table tr:last-child td {
  border-bottom: none;
}

.p-input,
.p-textarea {
  width: 100%;
  border: 1px solid var(--p-border-strong);
  border-radius: var(--p-radius-sm);
  padding: 7px 10px;
  font-size: 13px;
  font-family: inherit;
  color: var(--p-text);
  background: var(--p-bg-surface);
}

.p-input:focus,
.p-textarea:focus {
  outline: 2px solid var(--p-accent);
  outline-offset: -1px;
  border-color: var(--p-accent);
}

.p-inline-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.p-empty {
  text-align: center;
  padding: 36px 20px;
  color: var(--p-text-subdued);
}

.p-empty h3 {
  color: var(--p-text);
  margin: 0 0 6px;
  font-size: 15px;
}

.p-banner {
  border-radius: var(--p-radius-sm);
  padding: 10px 14px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.p-banner-info {
  background: var(--p-info-bg);
  color: var(--p-info-text);
}

.p-banner-error {
  background: var(--p-critical-bg);
  color: var(--p-critical-text);
}

.p-banner-success {
  background: var(--p-success-bg);
  color: var(--p-success-text);
}

.p-math-box {
  background: var(--p-bg-surface-subdued);
  border: 1px solid var(--p-border);
  border-radius: var(--p-radius-sm);
  padding: 10px 12px;
  font-size: 12px;
  margin-top: 6px;
}

/* Custom Dropdown Component (Strict zero native <select> standard) */
.p-dropdown {
  position: relative;
  display: inline-block;
  min-width: 170px;
}

.p-dropdown-trigger {
  width: 100%;
  border: 1px solid var(--p-border-strong);
  border-radius: var(--p-radius-sm);
  background: var(--p-bg-surface);
  color: var(--p-text);
  padding: 6px 10px;
  font-size: 12.5px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  cursor: pointer;
}

.p-dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 100%;
  max-height: 240px;
  overflow-y: auto;
  background: var(--p-bg-surface);
  border: 1px solid var(--p-border);
  border-radius: var(--p-radius-sm);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
  z-index: 60;
  padding: 4px;
  display: none;
}

.p-dropdown.is-open .p-dropdown-menu {
  display: block;
}

.p-dropdown-item {
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 12.5px;
  color: var(--p-text);
  cursor: pointer;
  display: block;
}

.p-dropdown-item:hover,
.p-dropdown-item.is-selected {
  background: var(--p-bg-surface-subdued);
  font-weight: 550;
}