/* ==========================================================================
   PledgeSentry — Design Tokens & Styles
   Institutional finance aesthetic: dark mode primary, Bloomberg meets Moody's
   ========================================================================== */

/* --- Base Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  height: 100%;
  overflow: hidden;
  overflow-x: hidden;
}

/* --- Design Tokens --- */
:root {
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;

  --text-xs:   clamp(0.6875rem, 0.65rem + 0.2vw, 0.8125rem);
  --text-sm:   clamp(0.8125rem, 0.78rem + 0.2vw, 0.875rem);
  --text-base: clamp(0.875rem, 0.85rem + 0.15vw, 0.9375rem);
  --text-lg:   clamp(1rem, 0.95rem + 0.3vw, 1.25rem);
  --text-xl:   clamp(1.25rem, 1.1rem + 0.7vw, 1.75rem);
  --text-2xl:  clamp(1.75rem, 1.3rem + 1.5vw, 2.5rem);

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;

  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-med:  250ms cubic-bezier(0.16, 1, 0.3, 1);

  /* PVS Colors */
  --pvs-verified: #10B981;
  --pvs-caution:  #F59E0B;
  --pvs-alert:    #F97316;
  --pvs-critical: #EF4444;
}

/* --- Dark Mode (Default) --- */
:root, [data-theme="dark"] {
  --color-bg:           #0A1628;
  --color-surface:      #0F1D32;
  --color-surface-2:    #142640;
  --color-surface-3:    #1A2F4E;
  --color-border:       #1E3A5F;
  --color-border-subtle:#162D4A;
  --color-divider:      #1A3350;

  --color-text:         #E8ECF1;
  --color-text-muted:   #8899AD;
  --color-text-faint:   #4F6378;
  --color-text-inverse: #0A1628;

  --color-accent:       #20808D;
  --color-accent-hover: #2A96A5;
  --color-accent-glow:  rgba(32, 128, 141, 0.15);

  --color-severity-critical: #EF4444;
  --color-severity-high:     #F97316;
  --color-severity-medium:   #F59E0B;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* --- Light Mode --- */
[data-theme="light"] {
  --color-bg:           #F0F2F5;
  --color-surface:      #FFFFFF;
  --color-surface-2:    #F7F8FA;
  --color-surface-3:    #EEF0F4;
  --color-border:       #D1D9E0;
  --color-border-subtle:#E2E8EE;
  --color-divider:      #E2E8EE;

  --color-text:         #1A2332;
  --color-text-muted:   #5A6B7D;
  --color-text-faint:   #8899AD;
  --color-text-inverse: #FFFFFF;

  --color-accent:       #17707A;
  --color-accent-hover: #0F5B64;
  --color-accent-glow:  rgba(32, 128, 141, 0.08);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
}

/* --- Body --- */
body {
  height: 100%;
  overflow: hidden;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.55;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

/* Tabular numbers everywhere */
body { font-variant-numeric: tabular-nums lining-nums; }

/* --- Interactive element transitions --- */
a, button, [role="button"], input, select {
  transition: color var(--transition-fast),
              background var(--transition-fast),
              border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

::selection {
  background: rgba(32, 128, 141, 0.3);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
table { border-collapse: collapse; width: 100%; }

/* ==========================================================================
   HEADER
   ========================================================================== */

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-6);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-subtle);
  z-index: 100;
  gap: var(--space-4);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.logo svg { flex-shrink: 0; }

.logo-text {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.demo-badge {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: #fff;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-tab {
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.nav-tab:hover {
  color: var(--color-text);
  background: var(--color-accent-glow);
}

.nav-tab.active {
  color: var(--color-accent);
  background: var(--color-accent-glow);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

/* ==========================================================================
   MAIN CONTENT
   ========================================================================== */

.app-main {
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  padding: var(--space-6);
  max-width: 100vw;
}

.tab-content {
  display: none;
  animation: fadeIn 0.25s ease;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.section-header h1 {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.last-updated {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.section-subtitle {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
  margin-top: var(--space-8);
  letter-spacing: -0.01em;
}

/* ==========================================================================
   KPI CARDS
   ========================================================================== */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.kpi-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.kpi-value {
  font-size: var(--text-2xl);
  font-weight: 700;
  font-family: var(--font-body);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.kpi-sub {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.kpi-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   POOL CARDS
   ========================================================================== */

.pool-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.pool-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.pool-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent), var(--shadow-md);
}

.pool-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.pool-card-name {
  font-size: var(--text-base);
  font-weight: 600;
}

.pool-type-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-3);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pool-card-balance {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
}

.pvs-bar {
  display: flex;
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--color-surface-3);
  margin-bottom: var(--space-3);
}

.pvs-bar-segment {
  height: 100%;
  transition: width 0.6s ease;
}

.pool-card-footer {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.pvs-legend {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.pvs-legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.pvs-legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ==========================================================================
   FILTER BAR
   ========================================================================== */

.filter-bar {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.filter-group label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.filter-group select {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  min-width: 160px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238899AD' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}

/* ==========================================================================
   DATA TABLE
   ========================================================================== */

.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.data-table {
  font-size: var(--text-sm);
}

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
}

.data-table th {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border-subtle);
  white-space: nowrap;
}

.data-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
  white-space: nowrap;
}

.data-table tbody tr:hover {
  background: var(--color-accent-glow);
}

.data-table .num-col {
  text-align: right;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.loading-cell {
  padding: var(--space-4) !important;
  text-align: center;
}

/* PVS Badge */
.pvs-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
}

.pvs-badge.verified { background: rgba(16, 185, 129, 0.15); color: var(--pvs-verified); }
.pvs-badge.caution  { background: rgba(245, 158, 11, 0.15); color: var(--pvs-caution); }
.pvs-badge.alert    { background: rgba(249, 115, 22, 0.15); color: var(--pvs-alert); }
.pvs-badge.critical { background: rgba(239, 68, 68, 0.15); color: var(--pvs-critical); }

.status-badge {
  font-size: var(--text-xs);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-3);
  color: var(--color-text-muted);
}

.status-badge.delinquent {
  background: rgba(239, 68, 68, 0.12);
  color: var(--pvs-critical);
}

/* Verify Button */
.btn-verify {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: #fff;
  white-space: nowrap;
}

.btn-verify:hover {
  background: var(--color-accent-hover);
}

.btn-verify:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-verify.running {
  background: var(--color-surface-3);
  color: var(--color-text-muted);
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.pagination button {
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
}

.pagination button:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
}

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

.pagination button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.pagination .page-info {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding: 0 var(--space-2);
}

/* ==========================================================================
   VERIFICATION MODAL
   ========================================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.15s ease;
}

.modal-overlay[hidden] {
  display: none;
}

.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border-subtle);
}

.modal-header h3 {
  font-size: var(--text-base);
  font-weight: 600;
}

.modal-close {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.modal-close:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

.modal-body {
  padding: var(--space-5);
}

/* Verification check items */
.verify-loan-info {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
}

.verify-loan-info-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.verify-loan-info-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.verify-loan-info-value {
  font-size: var(--text-sm);
  font-weight: 600;
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  opacity: 0;
  transform: translateX(-8px);
  animation: checkIn 0.3s ease forwards;
}

.check-item .check-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 700;
}

.check-icon.pass { background: rgba(16, 185, 129, 0.15); color: var(--pvs-verified); }
.check-icon.fail { background: rgba(239, 68, 68, 0.15); color: var(--pvs-critical); }
.check-icon.skip { background: var(--color-surface-3); color: var(--color-text-faint); }

.check-item .check-info {
  flex: 1;
  min-width: 0;
}

.check-name {
  font-size: var(--text-sm);
  font-weight: 600;
}

.check-detail {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
  word-break: break-word;
  white-space: normal;
}

/* --- Source badges (LIVE / SIMULATED / ENGINE) --- */
.source-badge {
  display: inline-block;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: 3px;
  line-height: 1.4;
  vertical-align: middle;
  margin-left: 6px;
}
.source-badge.live {
  background: rgba(16, 185, 129, 0.18);
  color: #34D399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.source-badge.simulated {
  background: rgba(245, 158, 11, 0.15);
  color: #FBBF24;
  border: 1px solid rgba(245, 158, 11, 0.25);
}
.source-badge.engine {
  background: rgba(99, 102, 241, 0.15);
  color: #A5B4FC;
  border: 1px solid rgba(99, 102, 241, 0.25);
}

/* --- Data Sources Panel --- */
.data-sources-panel {
  margin-top: var(--space-6);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
}
.data-sources-title {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.data-sources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-3);
}
.data-source-card {
  padding: var(--space-3);
  background: var(--color-surface-1);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
}
.data-source-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}
.data-source-name {
  font-size: var(--text-sm);
  font-weight: 600;
}
.data-source-endpoint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.data-source-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 4px;
}

@keyframes checkIn {
  to { opacity: 1; transform: translateX(0); }
}

.verify-pvs-result {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.verify-pvs-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.verify-pvs-score {
  font-size: var(--text-xl);
  font-weight: 700;
}

/* ==========================================================================
   DOUBLE-PLEDGING
   ========================================================================== */

.dp-summary-bar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.dp-severity-count {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
}

.dp-severity-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dp-summary-divider {
  width: 1px;
  height: 24px;
  background: var(--color-border);
}

.dp-total-exposure {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--pvs-critical);
  margin-left: auto;
}

.dp-alerts {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.dp-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: border-color var(--transition-fast);
}

.dp-card:hover {
  border-color: var(--color-border);
}

.dp-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.severity-badge {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
}

.severity-badge.critical { background: rgba(239, 68, 68, 0.15); color: var(--pvs-critical); }
.severity-badge.high { background: rgba(249, 115, 22, 0.15); color: var(--pvs-alert); }
.severity-badge.medium { background: rgba(245, 158, 11, 0.15); color: var(--pvs-caution); }

.dp-type-label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.dp-asset-id {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
  font-family: var(--font-mono);
}

.dp-address {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.dp-exposure {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.dp-exposure.critical-text { color: var(--pvs-critical); }

.dp-network {
  margin-bottom: var(--space-4);
}

.dp-network svg {
  width: 100%;
  max-width: 500px;
  display: block;
  margin: 0 auto;
}

.dp-linked-loans {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.dp-linked-loan {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}

.dp-linked-loan-id {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
}

.dp-linked-loan-pool {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.dp-linked-loan-balance {
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

/* ==========================================================================
   MFS SCENARIO — INTERACTIVE SIMULATOR
   ========================================================================== */

.mfs-page {
  max-width: 960px;
  margin: 0 auto;
}

.mfs-header {
  text-align: center;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border-subtle);
}

.mfs-label {
  display: inline-block;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 3px 12px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-glow);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.mfs-header h1 {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: var(--space-3);
}

.mfs-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}

.mfs-section-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
  margin-top: var(--space-8);
  letter-spacing: -0.01em;
}

/* --- Step Stepper --- */
.mfs-stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: var(--space-6);
}

.step-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-border-subtle);
  background: var(--color-surface);
  cursor: pointer;
  min-width: 100px;
  transition: all var(--transition-med);
}

.step-btn:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-glow);
}

.step-btn.active {
  border-color: var(--color-accent);
  background: var(--color-accent-glow);
}

.step-btn.visited {
  border-color: var(--color-border);
}

.step-btn.alert {
  border-color: var(--pvs-critical);
  background: rgba(239, 68, 68, 0.08);
}

.step-btn.alert .step-num {
  background: var(--pvs-critical);
}

.step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 700;
  background: var(--color-surface-3);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.step-btn.active .step-num {
  background: var(--color-accent);
  color: #fff;
}

.step-label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.step-btn.active .step-label {
  color: var(--color-text);
}

.step-connector {
  width: 24px;
  height: 2px;
  background: var(--color-border);
  flex-shrink: 0;
}

/* --- Step Description --- */
.mfs-step-desc {
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  animation: fadeIn 0.3s ease;
}

.step-desc-period {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-1);
}

.step-desc-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- Detection Alert --- */
.mfs-detection-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  animation: alertPulse 0.5s ease;
}

.mfs-detection-alert.no-detect {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.25);
}

.mfs-detection-alert.no-detect .detection-icon { color: var(--pvs-caution); }
.mfs-detection-alert.no-detect .detection-label { color: var(--pvs-caution); }

.mfs-detection-alert.collapse-alert {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.25);
}

.mfs-detection-alert.collapse-alert .detection-icon { color: var(--pvs-critical); }
.mfs-detection-alert.collapse-alert .detection-label { color: var(--pvs-critical); }

@keyframes alertPulse {
  0% { opacity: 0; transform: translateY(-4px); }
  100% { opacity: 1; transform: translateY(0); }
}

.detection-icon {
  color: var(--pvs-verified);
  flex-shrink: 0;
  margin-top: 2px;
}

.detection-label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--pvs-verified);
  margin-bottom: 2px;
}

.detection-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* --- KPI Row --- */
.mfs-kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.mfs-kpi {
  text-align: center;
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
}

.mfs-kpi-val {
  display: block;
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  transition: color 0.3s ease;
}

.mfs-kpi-val.critical {
  color: var(--pvs-critical);
}

.mfs-kpi-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* --- Chart Container --- */
.mfs-chart-container {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-6);
}

/* --- Network Graph --- */
.mfs-network-container {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-6);
  overflow: hidden;
}

.network-legend {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-subtle);
  margin-top: var(--space-3);
}

.network-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* --- Collision Count Badge --- */
.collision-count {
  font-size: var(--text-sm);
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  background: rgba(239, 68, 68, 0.15);
  color: var(--pvs-critical);
  vertical-align: middle;
  margin-left: var(--space-2);
}

/* Comparison */
.mfs-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.comparison-card {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
}

.comparison-card.without {
  background: rgba(239, 68, 68, 0.05);
  border-color: rgba(239, 68, 68, 0.2);
}

.comparison-card.with {
  background: rgba(16, 185, 129, 0.05);
  border-color: rgba(16, 185, 129, 0.2);
}

.comparison-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.comparison-card.without .comparison-header { color: var(--pvs-critical); }
.comparison-card.with .comparison-header { color: var(--pvs-verified); }

.comparison-card ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.comparison-card li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-4);
  position: relative;
  line-height: 1.5;
}

.comparison-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.comparison-card.without li::before { background: var(--pvs-critical); }
.comparison-card.with li::before { background: var(--pvs-verified); }

.comparison-card li strong {
  color: var(--color-text);
}

.mfs-cta {
  text-align: center;
  padding: var(--space-8);
  background: var(--color-accent-glow);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(32, 128, 141, 0.2);
}

.mfs-cta p {
  font-size: var(--text-base);
  color: var(--color-text);
  max-width: 65ch;
  margin: 0 auto;
  line-height: 1.65;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.app-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-6);
  border-top: 1px solid var(--color-border-subtle);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  background: var(--color-surface);
}

.app-footer a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.app-footer a:hover {
  color: var(--color-accent);
}

/* ==========================================================================
   SKELETONS
   ========================================================================== */

.skeleton-card .skeleton-line,
.skeleton-card .skeleton-bar {
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--color-surface-2) 25%, var(--color-surface-3) 50%, var(--color-surface-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

.skeleton-line { height: 14px; margin-bottom: var(--space-2); }
.skeleton-line.lg { height: 28px; }
.skeleton-line.w40 { width: 40%; }
.skeleton-line.w60 { width: 60%; }
.skeleton-line.w80 { width: 80%; }
.skeleton-bar { height: 8px; width: 100%; margin-bottom: var(--space-2); }

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 1024px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .pool-grid { grid-template-columns: 1fr; }
  .mfs-kpi-row { grid-template-columns: repeat(2, 1fr); }
  .mfs-comparison { grid-template-columns: 1fr; }
  .mfs-stepper { flex-wrap: wrap; gap: var(--space-2); justify-content: center; }
  .step-connector { display: none; }
}

@media (max-width: 768px) {
  .app-header {
    flex-wrap: wrap;
    gap: var(--space-2);
  }
  .header-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: var(--space-1);
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .header-nav::-webkit-scrollbar { display: none; }
  .nav-tab {
    flex-shrink: 0;
  }
  .app-main { padding: var(--space-4); }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .mfs-stats { grid-template-columns: 1fr 1fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ==========================================================================
   Data Ingestion Tab
   ========================================================================== */

.ingestion-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.03em;
}

/* Architecture Banner */
.ingestion-arch-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-4);
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-8);
  overflow-x: auto;
}

.arch-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  min-width: 140px;
}

.arch-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-surface-2);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
}

.arch-icon.ai {
  background: rgba(20, 184, 166, 0.15);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.arch-icon.output {
  background: rgba(16, 185, 129, 0.15);
  border-color: #10B981;
  color: #10B981;
}

.arch-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  text-align: center;
}

.arch-detail {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
}

.arch-arrow {
  flex-shrink: 0;
}

/* Section titles */
.ingestion-section-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: var(--space-6) 0 var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Source Selection Grid */
.ingestion-source-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.source-card {
  background: var(--color-surface-1);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  font-family: inherit;
  color: var(--color-text-primary);
}

.source-card:hover {
  border-color: var(--color-text-muted);
}

.source-card.active {
  border-color: var(--color-accent);
  background: rgba(20, 184, 166, 0.06);
}

.source-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.source-name {
  font-size: var(--text-sm);
  font-weight: 600;
}

.source-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.source-badge.rest {
  background: rgba(59, 130, 246, 0.15);
  color: #3B82F6;
}

.source-badge.gql {
  background: rgba(168, 85, 247, 0.15);
  color: #A855F7;
}

.source-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin: 0 0 var(--space-2);
  line-height: 1.5;
}

.source-records {
  font-size: var(--text-xs);
  color: var(--color-accent);
  font-weight: 600;
}

/* Dirty/Clean badges */
.dirty-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: rgba(239, 68, 68, 0.15);
  color: #EF4444;
}

.clean-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: rgba(16, 185, 129, 0.15);
  color: #10B981;
}

.issue-count {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: rgba(245, 158, 11, 0.15);
  color: #F59E0B;
}

/* Dirty Issues List */
.dirty-issues-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.dirty-issue-tag {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--color-surface-2);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

/* Code Preview */
.code-preview {
  background: var(--color-surface-0);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: auto;
  max-height: 280px;
}

.code-preview pre {
  margin: 0;
  padding: var(--space-4);
}

.code-preview code {
  font-family: "JetBrains Mono", "Fira Code", "Consolas", monospace;
  font-size: 11px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  white-space: pre;
}

/* Process Button */
.ingestion-process-area {
  text-align: center;
  margin: var(--space-8) 0;
}

.process-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.process-btn:hover {
  opacity: 0.9;
}

.process-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Processing Animation */
.processing-animation {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
}

.processing-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.processing-steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.processing-step {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  transition: color 0.3s;
}

.processing-step.active {
  color: var(--color-accent);
  font-weight: 600;
}

.processing-step.done {
  color: #10B981;
}

/* Score Row */
.ingestion-score-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.score-card {
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  text-align: center;
}

.score-val {
  display: block;
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

.score-val.warn {
  color: #F59E0B;
}

.score-val.accent {
  color: var(--color-accent);
}

.score-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-1);
  display: block;
}

/* Transformation Grid */
.transform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.transform-card {
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
}

.transform-type {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.transform-type.unit_conversion { color: #3B82F6; }
.transform-type.date_parse { color: #8B5CF6; }
.transform-type.enum_mapping { color: #F59E0B; }
.transform-type.translation { color: #EC4899; }
.transform-type.column_removal { color: #EF4444; }

.transform-field {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.transform-detail {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.transform-arrow {
  color: var(--color-accent);
  margin: 0 4px;
}

/* ESMA Output Table */
.esma-output {
  font-size: 11px;
}

.esma-output th {
  white-space: nowrap;
  font-size: 10px;
}

/* Download */
.ingestion-download {
  text-align: center;
  margin: var(--space-8) 0 var(--space-4);
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: #10B981;
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.download-btn:hover {
  opacity: 0.9;
}

/* Responsive */
@media (max-width: 768px) {
  .ingestion-arch-banner {
    flex-direction: column;
    gap: var(--space-3);
  }
  .arch-arrow {
    transform: rotate(90deg);
  }
  .ingestion-source-grid {
    grid-template-columns: 1fr;
  }
  .ingestion-score-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================================
   PHASE 4: AI AGENT COMMAND CENTRE
   ========================================================================== */

/* --- Section subtitle --- */
.agent-centre-subtitle {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 400;
  margin-top: var(--space-1);
}

/* ==========================================================================
   A: AGENT STATUS GRID
   ========================================================================== */

.ac-agent-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.ac-agent-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.ac-agent-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--agent-colour, var(--color-accent));
  opacity: 0.8;
}

.ac-agent-card:hover {
  border-color: var(--agent-colour, var(--color-accent));
  box-shadow: 0 0 0 1px var(--agent-colour, var(--color-accent)), var(--shadow-sm);
}

.ac-agent-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.ac-agent-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--agent-colour-bg, rgba(32,128,141,0.12));
  color: var(--agent-colour, var(--color-accent));
}

/* Status indicator — pulsing dot */
.ac-status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 2px;
}

.ac-status-dot.active {
  background: #10B981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
  animation: acPulse 1.8s ease-in-out infinite;
}

.ac-status-dot.idle {
  background: #F59E0B;
}

.ac-status-dot.alert {
  background: #EF4444;
  box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6);
  animation: acPulse 1s ease-in-out infinite;
}

@keyframes acPulse {
  0%   { box-shadow: 0 0 0 0 currentColor; }
  70%  { box-shadow: 0 0 0 6px rgba(0,0,0,0); }
  100% { box-shadow: 0 0 0 0 rgba(0,0,0,0); }
}

.ac-agent-name {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: 2px;
  line-height: 1.3;
}

.ac-agent-action {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
  margin-bottom: var(--space-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ac-agent-meta {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}

/* Sparkline container */
.ac-sparkline {
  height: 28px;
  width: 100%;
}

/* ==========================================================================
   B + C: TWO-COLUMN LAYOUT
   ========================================================================== */

.ac-main-columns {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.ac-feed-panel,
.ac-analytics-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.ac-panel-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border-subtle);
  background: var(--color-surface-2);
  flex-shrink: 0;
}

.ac-panel-title {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  flex: 1;
}

/* Live dot */
.ac-feed-live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  animation: acPulse 1.5s ease-in-out infinite;
}

.ac-feed-live-label {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #10B981;
}

/* ==========================================================================
   B: ACTIVITY FEED
   ========================================================================== */

.ac-feed-scroll {
  flex: 1;
  overflow-y: auto;
  max-height: 480px;
  padding: var(--space-2) 0;
}

.ac-feed-entry {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
  animation: acFeedIn 0.35s ease forwards;
  opacity: 0;
  transform: translateX(-6px);
}

@keyframes acFeedIn {
  to { opacity: 1; transform: translateX(0); }
}

.ac-feed-entry:last-child {
  border-bottom: none;
}

.ac-feed-entry:hover {
  background: var(--color-surface-2);
}

.ac-feed-agent-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  text-transform: uppercase;
}

.ac-feed-content {
  min-width: 0;
}

.ac-feed-action {
  font-size: var(--text-xs);
  color: var(--color-text);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ac-feed-resource {
  font-size: 0.65rem;
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  margin-top: 1px;
}

.ac-feed-meta {
  text-align: right;
  flex-shrink: 0;
}

.ac-feed-time {
  font-size: 0.65rem;
  color: var(--color-text-faint);
  white-space: nowrap;
}

.ac-feed-status {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 3px;
  margin-top: 2px;
}

.ac-feed-status.ok   { background: rgba(16,185,129,0.12); color: #10B981; }
.ac-feed-status.warn { background: rgba(245,158,11,0.12); color: #F59E0B; }
.ac-feed-status.error{ background: rgba(239,68,68,0.12);  color: #EF4444; }

/* ==========================================================================
   C: PVS ANALYTICS PANEL
   ========================================================================== */

.ac-analytics-panel {
  padding: 0;
}

.ac-analytics-panel .ac-panel-header {
  /* already styled above */
}

.ac-chart-block {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border-subtle);
}

.ac-chart-block:last-child {
  border-bottom: none;
}

.ac-chart-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.ac-doughnut-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  justify-content: center;
}

.ac-doughnut-legend {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.ac-legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.ac-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.ac-legend-count {
  font-weight: 700;
  color: var(--color-text);
}

/* Risk Heatmap */
.ac-heatmap-wrap {
  overflow-x: auto;
}

.ac-heatmap-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-xs);
}

.ac-heatmap-table th {
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  padding: var(--space-1) var(--space-2);
  text-align: center;
  background: var(--color-surface-2);
}

.ac-heatmap-table th:first-child {
  text-align: left;
}

.ac-heatmap-table td {
  padding: var(--space-1) var(--space-2);
  text-align: center;
  font-weight: 600;
  border: 1px solid var(--color-border-subtle);
  min-width: 52px;
}

.ac-heatmap-table td:first-child {
  text-align: left;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  min-width: 80px;
  white-space: nowrap;
}

/* Heatmap cell colour classes */
.ac-cell-low    { background: rgba(16,185,129,0.15);  color: #10B981; }
.ac-cell-medium { background: rgba(245,158,11,0.15);  color: #F59E0B; }
.ac-cell-high   { background: rgba(249,115,22,0.15);  color: #F97316; }
.ac-cell-critical{ background: rgba(239,68,68,0.18); color: #EF4444; }

/* ==========================================================================
   D: COVENANT COMPLIANCE DASHBOARD
   ========================================================================== */

.ac-covenant-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.ac-covenant-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.ac-covenant-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-5);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border-subtle);
}

.ac-covenant-pool-name {
  font-size: var(--text-sm);
  font-weight: 600;
}

.ac-covenant-pool-type {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-3);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ac-covenant-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-xs);
}

.ac-covenant-table th {
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-4);
  text-align: left;
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border-subtle);
  white-space: nowrap;
}

.ac-covenant-table td {
  padding: var(--space-2) var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
  vertical-align: middle;
}

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

.ac-covenant-name {
  color: var(--color-text);
  font-weight: 500;
}

.ac-covenant-threshold {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.ac-covenant-current {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.7rem;
}

/* Covenant status badges */
.ac-cov-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.ac-cov-badge.pass    { background: rgba(16,185,129,0.12); color: #10B981; }
.ac-cov-badge.warning { background: rgba(245,158,11,0.12); color: #F59E0B; }
.ac-cov-badge.breach  { background: rgba(239,68,68,0.12);  color: #EF4444; }

/* Covenant value bar */
.ac-cov-bar-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.ac-cov-bar {
  flex: 1;
  height: 4px;
  background: var(--color-surface-3);
  border-radius: 2px;
  overflow: hidden;
  min-width: 40px;
}

.ac-cov-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.6s ease;
}

/* ==========================================================================
   E: AGENT PIPELINE SVG
   ========================================================================== */

.ac-pipeline-container {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-8);
  overflow: hidden;
}

.ac-pipeline-svg {
  width: 100%;
  display: block;
}

/* Pipeline node labels */
.ac-pipe-node-label {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  fill: var(--color-text-muted);
  text-anchor: middle;
}

.ac-pipe-node-sublabel {
  font-family: var(--font-body);
  font-size: 8px;
  fill: var(--color-text-faint);
  text-anchor: middle;
}

/* Animated pipeline dots */
@keyframes acDotFlow {
  0%   { offset-distance: 0%; opacity: 0; }
  5%   { opacity: 1; }
  95%  { opacity: 1; }
  100% { offset-distance: 100%; opacity: 0; }
}

.ac-pipe-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  position: absolute;
}

/* Pipeline node click area */
.ac-pipe-node {
  cursor: pointer;
}

.ac-pipe-node circle {
  transition: r 0.15s ease, filter 0.15s ease;
}

.ac-pipe-node:hover circle {
  filter: brightness(1.3);
}

/* Pipeline legend */
.ac-pipeline-legend {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-subtle);
}

.ac-pipeline-legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.ac-pipeline-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ==========================================================================
   AGENT MODAL
   ========================================================================== */

.ac-modal-agent-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
}

.ac-modal-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ac-modal-name {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: 4px;
}

.ac-modal-status {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.ac-modal-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.ac-modal-metric {
  text-align: center;
  padding: var(--space-3);
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
}

.ac-modal-metric-val {
  font-size: var(--text-lg);
  font-weight: 700;
  display: block;
  margin-bottom: 2px;
}

.ac-modal-metric-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ac-modal-sparkline-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   RESPONSIVE — AGENT CENTRE
   ========================================================================== */

@media (max-width: 1280px) {
  .ac-agent-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1024px) {
  .ac-agent-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ac-main-columns {
    grid-template-columns: 1fr;
  }
  .ac-covenant-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .ac-agent-grid {
    grid-template-columns: 1fr 1fr;
  }
  .ac-doughnut-wrap {
    flex-direction: column;
  }
}

/* ========================================================================
   PledgeSentry v5 — New Styles
   ======================================================================== */

/* --- Refresh Button --- */
.refresh-btn {
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-muted);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, border-color 0.2s, transform 0.3s;
}
.refresh-btn:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.refresh-btn.spinning svg {
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* --- Upload Zone --- */
.upload-zone {
  border: 2px dashed var(--color-border);
  border-radius: 12px;
  padding: var(--space-8);
  text-align: center;
  margin-bottom: var(--space-6);
  transition: border-color 0.2s, background 0.2s;
  cursor: pointer;
}
.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--color-accent);
  background: rgba(32, 128, 141, 0.05);
}
.upload-icon {
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}
.upload-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.upload-browse-btn {
  background: none;
  border: none;
  color: var(--color-accent);
  cursor: pointer;
  text-decoration: underline;
  font-size: inherit;
  padding: 0;
}
.upload-hint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* --- Download buttons row --- */
.ingestion-download {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.download-excel {
  background: #217346 !important;
}
.download-excel:hover {
  background: #1a5c38 !important;
}

/* --- DP Evidence Modal --- */
.modal-lg {
  max-width: 900px;
  width: 95vw;
}
.dp-evidence-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.dp-evidence-severity {
  padding: 2px 10px;
  border-radius: 4px;
  font-weight: 700;
  font-size: var(--text-xs);
  text-transform: uppercase;
}
.dp-evidence-severity.critical { background: rgba(239,68,68,0.15); color: #EF4444; }
.dp-evidence-severity.high { background: rgba(249,115,22,0.15); color: #F97316; }
.dp-evidence-severity.medium { background: rgba(245,158,11,0.15); color: #F59E0B; }

.dp-evidence-conflict {
  background: var(--color-surface-2);
  border-radius: 8px;
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  border-left: 3px solid var(--pvs-critical);
}
.dp-evidence-conflict-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}
.dp-evidence-conflict-value {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--pvs-critical);
}

.dp-tape-table {
  width: 100%;
  font-size: var(--text-xs);
}
.dp-tape-table th {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 10px;
  padding: var(--space-2);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
  text-align: left;
}
.dp-tape-table td {
  padding: var(--space-2);
  border-bottom: 1px solid var(--color-border-subtle);
  vertical-align: top;
  word-break: break-word;
}
.dp-tape-table td.conflict-highlight {
  background: rgba(239,68,68,0.1);
  color: #EF4444;
  font-weight: 700;
}

/* --- Portfolio Stats Section --- */
.ps-pool-tabs {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}
.ps-pool-tab {
  padding: var(--space-2) var(--space-4);
  border-radius: 6px;
  font-size: var(--text-xs);
  font-weight: 600;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.2s;
}
.ps-pool-tab:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
}
.ps-pool-tab.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.ps-kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.ps-kpi-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-subtle);
  border-radius: 8px;
  padding: var(--space-3);
  text-align: center;
}
.ps-kpi-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: var(--space-1);
}
.ps-kpi-val {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  display: block;
}
.ps-chart-container {
  margin-bottom: var(--space-5);
  background: var(--color-surface-2);
  border-radius: 8px;
  padding: var(--space-4);
  border: 1px solid var(--color-border-subtle);
}
.ps-metrics-table-wrap {
  margin-bottom: var(--space-4);
}
.ps-metrics-table {
  width: 100%;
  font-size: var(--text-xs);
  border-collapse: collapse;
}
.ps-metrics-table th {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 10px;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
  text-align: left;
}
.ps-metrics-table td {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border-subtle);
}
.ps-metrics-table td:first-child {
  font-weight: 600;
  color: var(--color-text-muted);
}

/* --- DP Card clickable --- */
.dp-card {
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.dp-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent);
}

/* ── Format Tags in Upload Zone ────────────────────────────────────── */
.upload-formats {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
}
.format-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  border: 1px solid rgba(255,255,255,0.1);
}
.format-tag.xlsx { background: rgba(33, 150, 83, 0.15); color: #34d399; border-color: rgba(33, 150, 83, 0.3); }
.format-tag.csv { background: rgba(59, 130, 246, 0.15); color: #60a5fa; border-color: rgba(59, 130, 246, 0.3); }
.format-tag.json { background: rgba(251, 191, 36, 0.15); color: #fbbf24; border-color: rgba(251, 191, 36, 0.3); }
.format-tag.ftp { background: rgba(139, 92, 246, 0.15); color: #a78bfa; border-color: rgba(139, 92, 246, 0.3); }

.upload-zone.uploading {
  border-color: var(--color-accent);
  animation: pulse-border 1.5s ease-in-out infinite;
}
@keyframes pulse-border {
  0%, 100% { border-color: var(--color-accent); box-shadow: 0 0 0 0 rgba(32, 128, 141, 0.3); }
  50% { border-color: rgba(32, 128, 141, 0.6); box-shadow: 0 0 12px 2px rgba(32, 128, 141, 0.2); }
}

/* ── Sample Tape Banner ────────────────────────────────────────────── */
.sample-tape-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid rgba(251, 191, 36, 0.3);
  border-radius: 8px;
  margin: var(--space-4) 0;
  gap: var(--space-4);
}
.sample-tape-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.sample-tape-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(251, 191, 36, 0.15);
  border-radius: 8px;
  color: #fbbf24;
}
.sample-tape-title {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-bottom: 2px;
}
.sample-badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  vertical-align: middle;
  margin-left: 4px;
}
.sample-tape-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  max-width: 480px;
  line-height: 1.4;
}
.sample-tape-actions {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}
.sample-dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: var(--text-xs);
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.15);
  background: var(--color-bg);
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.15s;
}
.sample-dl-btn.xlsx:hover { background: rgba(33, 150, 83, 0.2); border-color: #34d399; color: #34d399; }
.sample-dl-btn.csv:hover { background: rgba(59, 130, 246, 0.2); border-color: #60a5fa; color: #60a5fa; }

/* ── Ingestion Divider ──────────────────────────────────────────────── */
.ingestion-divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin: var(--space-6) 0 var(--space-4) 0;
}

/* ── Tape Validation Results ───────────────────────────────────────── */
.tape-validation-results {
  margin-top: var(--space-4);
}
.tape-validation-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}
.tape-file-info {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.tape-filename {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
}
.tape-format-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: rgba(32, 128, 141, 0.2);
  color: var(--color-accent);
}
.tape-record-count {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Summary Cards */
.tape-summary-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.tape-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-4);
  text-align: center;
}
.tape-card-val {
  display: block;
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}
.tape-card-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.tape-card.good .tape-card-val { color: #34d399; }
.tape-card.bad .tape-card-val { color: #f87171; }
.tape-card.warn .tape-card-val { color: #fbbf24; }

/* Severity Bar */
.tape-severity-bar {
  margin-bottom: var(--space-4);
}
.severity-legend {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-2);
  flex-wrap: wrap;
}
.sev-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}
.sev-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
}
.sev-item.critical .sev-dot { background: #dc2626; }
.sev-item.high .sev-dot { background: #f97316; }
.sev-item.medium .sev-dot { background: #eab308; }
.sev-item.low .sev-dot { background: #3b82f6; }
.severity-bar {
  display: flex;
  height: 12px;
  border-radius: 6px;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.sev-seg { min-width: 4px; transition: width 0.4s; }
.sev-seg.critical { background: #dc2626; }
.sev-seg.high { background: #f97316; }
.sev-seg.medium { background: #eab308; }
.sev-seg.low { background: #3b82f6; }

/* Filter Row */
.tape-filter-row {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}
.tape-filter-btn {
  padding: 6px 14px;
  border-radius: 6px;
  font-size: var(--text-xs);
  font-weight: 600;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.15s;
}
.tape-filter-btn:hover { border-color: var(--color-accent); color: var(--color-text); }
.tape-filter-btn.active { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }

/* Severity Badges */
.sev-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.sev-badge.critical { background: rgba(220, 38, 38, 0.2); color: #f87171; }
.sev-badge.high { background: rgba(249, 115, 22, 0.2); color: #fb923c; }
.sev-badge.medium { background: rgba(234, 179, 8, 0.2); color: #fbbf24; }
.sev-badge.low { background: rgba(59, 130, 246, 0.2); color: #60a5fa; }

/* Issue Row Highlights */
.issue-row-critical td { border-left: 3px solid #dc2626 !important; }
.issue-row-high td { border-left: 3px solid #f97316 !important; }
.issue-row-medium td { border-left: 3px solid #eab308 !important; }
.issue-row-low td { border-left: 3px solid #3b82f6 !important; }
.issue-row-critical td:first-child, .issue-row-high td:first-child,
.issue-row-medium td:first-child, .issue-row-low td:first-child {
  border-left-width: 3px !important;
}

/* Data Preview Row Highlights */
.row-critical { background: rgba(220, 38, 38, 0.08) !important; }
.row-high { background: rgba(249, 115, 22, 0.08) !important; }
.row-medium { background: rgba(234, 179, 8, 0.06) !important; }
.row-low { background: rgba(59, 130, 246, 0.06) !important; }
.null-val { color: #f87171; font-style: italic; font-size: 0.85em; }

.preview-count, .issue-count { font-weight: 400; font-size: var(--text-xs); color: var(--color-text-muted); }

/* Responsive */
@media (max-width: 768px) {
  .sample-tape-banner { flex-direction: column; align-items: flex-start; }
  .tape-summary-cards { grid-template-columns: repeat(2, 1fr); }
}

/* ========================================================================
   MOBILE OPTIMISATION — 480px and below
   ======================================================================== */

@media (max-width: 480px) {
  /* ── Global overflow prevention ─────────────────────────────────── */
  html, body {
    overflow-x: hidden !important;
    max-width: 100vw !important;
    width: 100vw !important;
  }
  :root {
    --space-6: 16px;
  }
  .app-header {
    max-width: 100vw;
    width: 100%;
    position: relative;
  }
  .app-main {
    padding: var(--space-3);
    overflow-x: hidden;
    max-width: 100vw;
    width: 100%;
  }
  .app-footer {
    max-width: 100vw;
    overflow-x: hidden;
    width: 100%;
  }
  .tab-content {
    overflow-x: hidden;
    max-width: 100%;
    width: 100%;
    word-wrap: break-word;
  }

  /* ── Header & Navigation ────────────────────────────────────────── */
  .app-header {
    flex-wrap: wrap;
    padding: var(--space-2) var(--space-3);
    gap: var(--space-2);
  }
  .header-left {
    gap: var(--space-2);
  }
  .logo-text {
    font-size: var(--text-base);
  }
  .demo-badge {
    font-size: 0.5rem;
    padding: 1px 5px;
  }
  .header-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: var(--space-1);
    gap: var(--space-1);
    padding-left: 0;
    padding-right: var(--space-2);
    flex-wrap: nowrap;
  }
  .header-nav::-webkit-scrollbar { display: none; }
  .nav-tab {
    font-size: var(--text-xs);
    padding: var(--space-2) var(--space-3);
    min-height: 44px;
    display: flex;
    align-items: center;
    flex-shrink: 0;
    white-space: nowrap;
  }
  .header-right {
    gap: var(--space-1);
  }
  .refresh-btn,
  .theme-toggle {
    width: 40px;
    height: 40px;
  }

  /* ── Section Headers ────────────────────────────────────────────── */
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
  }
  .section-header h1 {
    font-size: var(--text-lg);
  }
  .last-updated {
    font-size: var(--text-xs);
  }

  /* ── KPI Cards ──────────────────────────────────────────────────── */
  .kpi-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
  }
  .kpi-card {
    padding: var(--space-3);
  }
  .kpi-label {
    font-size: 0.6rem;
  }
  .kpi-value {
    font-size: var(--text-lg);
  }
  .kpi-sub {
    font-size: var(--text-xs);
  }

  /* ── Pool Grid ──────────────────────────────────────────────────── */
  .pool-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  .pool-card {
    padding: var(--space-3);
  }
  .pool-name {
    font-size: var(--text-sm);
  }
  .pool-balance {
    font-size: var(--text-base);
  }

  /* ── Data Source Connectivity ────────────────────────────────────── */
  .connectivity-grid {
    grid-template-columns: 1fr;
  }

  /* ── Filter Bar ─────────────────────────────────────────────────── */
  .filter-bar {
    flex-direction: column;
    gap: var(--space-2);
  }
  .filter-group {
    width: 100%;
  }
  .filter-group select {
    width: 100%;
    min-width: unset;
    min-height: 44px;
    font-size: 16px; /* Prevents iOS zoom */
  }

  /* ── Tables ─────────────────────────────────────────────────────── */
  .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 calc(-1 * var(--space-3));
    padding: 0 var(--space-3);
  }
  .data-table {
    min-width: 600px;
  }
  .data-table th,
  .data-table td {
    padding: var(--space-2);
    font-size: var(--text-xs);
  }

  /* ── Verification Tab ───────────────────────────────────────────── */
  .pagination {
    flex-wrap: wrap;
    gap: var(--space-1);
    justify-content: center;
  }
  .page-btn {
    min-width: 36px;
    min-height: 36px;
  }

  /* ── Double-Pledging Tab ────────────────────────────────────────── */
  .dp-summary-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
  .dp-summary-divider {
    display: none;
  }
  .dp-card {
    padding: var(--space-3);
  }
  .dp-card-header {
    flex-direction: column;
    gap: var(--space-1);
  }
  .dp-exposure {
    font-size: var(--text-lg);
  }
  .dp-collision-network {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* ── Evidence Modal ─────────────────────────────────────────────── */
  .dp-evidence-modal .modal-content,
  .modal-content {
    width: 95vw !important;
    max-width: 95vw !important;
    margin: var(--space-2) auto;
    max-height: 90vh;
    overflow-y: auto;
  }
  .dp-tape-table {
    min-width: 500px;
  }

  /* ── Data Ingestion Tab ─────────────────────────────────────────── */
  .ingestion-arch-banner {
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-3);
  }
  .arch-arrow {
    transform: rotate(90deg);
  }
  .arch-step {
    padding: var(--space-2);
    min-width: unset;
    width: 100%;
  }
  .ingestion-source-grid {
    grid-template-columns: 1fr;
  }
  .ingestion-score-row {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
  }
  .upload-zone {
    padding: var(--space-4) var(--space-3);
  }
  .upload-formats {
    gap: var(--space-1);
  }
  .format-tag {
    font-size: 0.6rem;
    padding: 3px 6px;
  }

  /* Sample tape banner */
  .sample-tape-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3);
  }
  .sample-tape-info {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
  .sample-tape-desc {
    max-width: 100%;
  }
  .sample-tape-actions {
    width: 100%;
  }
  .sample-dl-btn {
    flex: 1;
    justify-content: center;
    min-height: 44px;
  }

  /* Tape validation */
  .tape-summary-cards {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
  }
  .tape-card {
    padding: var(--space-3);
  }
  .tape-card-val {
    font-size: var(--text-lg);
  }
  .tape-filter-row {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
    gap: var(--space-1);
    padding-bottom: var(--space-1);
  }
  .tape-filter-btn {
    white-space: nowrap;
    min-height: 40px;
  }
  .tape-file-info {
    flex-wrap: wrap;
  }

  /* Processing animation */
  .ingestion-process-area {
    text-align: center;
  }
  .process-btn {
    width: 100%;
    min-height: 48px;
  }

  /* Download buttons */
  .ingestion-download {
    flex-direction: column;
    gap: var(--space-2);
  }
  .download-btn {
    width: 100%;
    min-height: 44px;
    justify-content: center;
  }

  /* ── Agent Centre Tab ───────────────────────────────────────────── */
  .ac-agent-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
  .ac-agent-card {
    padding: var(--space-3);
  }
  .ac-main-columns {
    grid-template-columns: 1fr;
  }
  .ac-activity-feed {
    max-height: 300px;
  }
  .ac-covenant-grid {
    grid-template-columns: 1fr;
  }
  .ac-doughnut-wrap {
    flex-direction: column;
    gap: var(--space-3);
  }
  .ac-doughnut-canvas {
    max-width: 200px;
    margin: 0 auto;
  }

  /* Risk heatmap table */
  .ac-heatmap-table {
    min-width: 500px;
  }

  /* Portfolio Performance Stats */
  .stats-kpi-row {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
  }
  .stats-kpi-card {
    padding: var(--space-2);
  }
  .stats-kpi-val {
    font-size: var(--text-base);
  }
  .stats-pool-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
    gap: var(--space-1);
    padding-bottom: var(--space-1);
  }
  .stats-pool-tabs::-webkit-scrollbar { display: none; }
  .stats-pool-tab {
    white-space: nowrap;
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-2);
    min-height: 36px;
  }

  /* ── MFS Scenario Tab ───────────────────────────────────────────── */
  .mfs-kpi-row {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
  }
  .mfs-kpi-card {
    padding: var(--space-3);
  }
  .mfs-stepper {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
  }
  .step-card {
    min-width: unset;
    width: 100%;
    text-align: center;
  }
  .step-connector {
    display: none;
  }
  .mfs-comparison {
    grid-template-columns: 1fr;
  }
  .mfs-stats {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
  }
  .mfs-timeline-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Facility chart */
  .facility-chart-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* ── Footer ─────────────────────────────────────────────────────── */
  .app-footer {
    flex-direction: column;
    gap: var(--space-1);
    text-align: center;
    padding: var(--space-3);
  }

  /* ── Ingestion section titles ───────────────────────────────────── */
  .ingestion-section-title {
    font-size: var(--text-sm);
  }

  /* Transform grid */
  .transform-grid {
    grid-template-columns: 1fr;
  }
}

/* ========================================================================
   SMALL MOBILE — 360px and below (very narrow)
   ======================================================================== */

@media (max-width: 360px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }
  .tape-summary-cards {
    grid-template-columns: 1fr;
  }
  .mfs-kpi-row {
    grid-template-columns: 1fr;
  }
  .ingestion-score-row {
    grid-template-columns: 1fr;
  }
  .stats-kpi-row {
    grid-template-columns: 1fr 1fr;
  }
  .nav-tab {
    font-size: 0.65rem;
    padding: var(--space-2) 6px;
  }
}

/* ========================================================================
   TABLET — 481px to 768px
   ======================================================================== */

@media (min-width: 481px) and (max-width: 768px) {
  .app-main {
    padding: var(--space-4);
  }
  .app-header {
    flex-wrap: wrap;
    padding: var(--space-2) var(--space-4);
  }
  .header-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .header-nav::-webkit-scrollbar { display: none; }
  .nav-tab {
    font-size: var(--text-xs);
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pool-grid {
    grid-template-columns: 1fr;
  }
  .filter-bar {
    flex-wrap: wrap;
  }
  .filter-group select {
    font-size: 16px;
    min-height: 44px;
  }
  .dp-summary-bar {
    flex-wrap: wrap;
  }
  .ac-agent-grid {
    grid-template-columns: 1fr 1fr;
  }
  .ac-main-columns {
    grid-template-columns: 1fr;
  }
  .sample-tape-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  .mfs-comparison {
    grid-template-columns: 1fr;
  }
  .section-header h1 {
    font-size: var(--text-xl);
  }
}

/* ========================================================================
   TOUCH DEVICE IMPROVEMENTS (hover: none)
   ======================================================================== */

@media (hover: none) {
  /* Larger touch targets */
  .nav-tab {
    min-height: 44px;
    min-width: 44px;
  }
  .page-btn,
  .filter-group select,
  .process-btn,
  .download-btn,
  .sample-dl-btn,
  .source-card,
  .tape-filter-btn {
    min-height: 44px;
  }
  /* Remove hover-only effects */
  .nav-tab:hover {
    background: transparent;
  }
  .nav-tab.active {
    background: var(--color-accent-glow);
  }
  .pool-card:hover,
  .dp-card:hover {
    transform: none;
    box-shadow: none;
  }
}