/* ================================================================
   Sacch S&OP Profitability Portal — Premium Dark Theme
   ================================================================ */

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

:root {
  /* Palette */
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);

  --text-primary: #f0f4ff;
  --text-secondary: #8b95b0;
  --text-muted: #5a6380;

  /* Accent colours */
  --accent-green: #34d399;
  --accent-green-dim: rgba(52, 211, 153, 0.15);
  --accent-blue: #60a5fa;
  --accent-blue-dim: rgba(96, 165, 250, 0.15);
  --accent-purple: #a78bfa;
  --accent-purple-dim: rgba(167, 139, 250, 0.15);
  --accent-amber: #fbbf24;
  --accent-amber-dim: rgba(251, 191, 36, 0.15);
  --accent-red: #f87171;
  --accent-red-dim: rgba(248, 113, 113, 0.12);
  --accent-red-strong: rgba(248, 113, 113, 0.22);

  /* Gradients */
  --grad-green: linear-gradient(135deg, #065f46, #047857);
  --grad-blue: linear-gradient(135deg, #1e3a5f, #1d4ed8);
  --grad-purple: linear-gradient(135deg, #4c1d95, #6d28d9);
  --grad-amber: linear-gradient(135deg, #78350f, #b45309);

  /* Typography */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Sizing */
  --radius: 14px;
  --radius-sm: 8px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- Animated Background ---- */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(96, 165, 250, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(167, 139, 250, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(52, 211, 153, 0.04) 0%, transparent 50%);
  animation: bgShift 25s ease-in-out infinite alternate;
  z-index: -1;
  pointer-events: none;
}

@keyframes bgShift {
  0% {
    transform: translate(0, 0) rotate(0deg);
  }

  100% {
    transform: translate(-5%, 3%) rotate(3deg);
  }
}

/* ================================================================
   Top Bar
   ================================================================ */
#topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.08em;
}

.logo-icon {
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-text {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-left: 1px solid var(--border);
  padding-left: 20px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.ads-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(96, 165, 250, 0.25);
  background: rgba(96, 165, 250, 0.12);
  color: var(--accent-blue);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.ads-link:hover {
  background: rgba(96, 165, 250, 0.2);
  color: var(--text-primary);
  border-color: rgba(96, 165, 250, 0.45);
}

.date-picker-group {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 6px;
}

.preset-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.03em;
}

.preset-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.preset-btn.active {
  color: var(--accent-blue);
  background: var(--accent-blue-dim);
}

.custom-range {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 4px;
  padding-left: 8px;
  border-left: 1px solid var(--border);
}

.custom-range input[type="date"] {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.78rem;
  padding: 5px 8px;
  outline: none;
  transition: var(--transition);
}

.custom-range input[type="date"]:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px var(--accent-blue-dim);
}

.range-sep {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.apply-btn {
  background: var(--accent-blue-dim);
  color: var(--accent-blue);
  border: 1px solid rgba(96, 165, 250, 0.2);
  border-radius: var(--radius-sm);
  padding: 5px 12px;
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.apply-btn:hover {
  background: rgba(96, 165, 250, 0.25);
}

.refresh-btn {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  padding: 7px 9px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.refresh-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.06);
}

.refresh-btn.spinning svg {
  animation: spin 0.8s linear infinite;
}

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

/* ================================================================
   Main Content
   ================================================================ */
#mainContent {
  max-width: 1800px;
  margin: 0 auto;
  padding: 28px 32px 60px;
  position: relative;
}

/* ================================================================
   Scorecards
   ================================================================ */
.scorecards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  animation: cardIn 0.5s ease-out both;
}

.card:nth-child(2) {
  animation-delay: 0.08s;
}

.card:nth-child(3) {
  animation-delay: 0.16s;
}

.card:nth-child(4) {
  animation-delay: 0.24s;
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
}

.card-gross::before {
  background: var(--grad-green);
}

.card-net::before {
  background: var(--grad-blue);
}

.card-ad::before {
  background: var(--grad-amber);
}

.card-units::before {
  background: linear-gradient(135deg, #06b6d4, #22d3ee);
}

.card-cm::before {
  background: var(--grad-purple);
}

.card-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.card-value {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.card-gross .card-value {
  color: var(--accent-green);
}

.card-net .card-value {
  color: var(--accent-blue);
}

.card-ad .card-value {
  color: var(--accent-amber);
}

.card-units .card-value {
  color: #22d3ee;
}

.card-cm .card-value {
  color: var(--accent-purple);
}

.card-sparkline {
  height: 32px;
  margin-top: 12px;
}

.card-badge {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 12px;
  background: var(--accent-purple-dim);
  border: 1px solid rgba(167, 139, 250, 0.2);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent-purple);
}

/* ================================================================
   Loading Overlay
   ================================================================ */
.loading-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 80px 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.loading-overlay.hidden {
  display: none;
}

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

.spinner.small {
  width: 24px;
  height: 24px;
  border-width: 2px;
}

/* ================================================================
   Empty / Error State
   ================================================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 80px 0;
  color: var(--text-muted);
}

.empty-state svg {
  opacity: 0.4;
}

.empty-state h3 {
  color: var(--text-secondary);
  font-weight: 600;
}

.empty-state.hidden {
  display: none;
}

/* ================================================================
   Table Section
   ================================================================ */
.table-section {
  animation: cardIn 0.5s ease-out 0.3s both;
}

.table-section.hidden {
  display: none;
}

.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.table-header h2 {
  font-size: 1.1rem;
  font-weight: 700;
}

.table-controls {
  display: flex;
  align-items: center;
  gap: 20px;
}

.table-legend {
  display: flex;
  gap: 20px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.legend-bleeder {
  color: var(--accent-red);
}

.legend-profit {
  color: var(--accent-green);
}

/* Filter Input */
.filter-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.filter-icon {
  position: absolute;
  left: 10px;
  color: var(--text-muted);
  pointer-events: none;
}

#filterInput {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.78rem;
  padding: 7px 12px 7px 32px;
  width: 220px;
  outline: none;
  transition: var(--transition);
}

#filterInput:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px var(--accent-blue-dim);
}

#filterInput::placeholder {
  color: var(--text-muted);
}

/* Sortable Headers */
th.sortable {
  cursor: pointer;
  user-select: none;
  transition: color var(--transition);
}

th.sortable:hover {
  color: var(--text-primary);
}

th.sorted {
  color: var(--accent-blue) !important;
}

.sort-indicator {
  font-size: 0.6rem;
  color: var(--accent-blue);
  margin-left: 2px;
}

/* Totals Row */
.totals-row {
  background: rgba(96, 165, 250, 0.08) !important;
  border-top: 2px solid var(--accent-blue);
}

.totals-row td {
  font-weight: 700;
  font-size: 0.8rem;
  padding: 14px 10px;
  color: var(--text-primary);
  border-bottom: none;
}

.totals-label {
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.72rem;
  color: var(--accent-blue);
}

tfoot {
  position: sticky;
  bottom: 0;
  z-index: 2;
}

.table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  overflow-y: hidden;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
}

thead {
  background: rgba(255, 255, 255, 0.03);
  position: sticky;
  top: 0;
}

th {
  padding: 12px 10px;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th.num {
  text-align: right;
}

th.fee-col {
  color: var(--text-muted);
}

td {
  padding: 11px 10px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  white-space: nowrap;
}

td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.col-asin {
  font-family: 'Inter', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.col-title {
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-secondary);
  font-size: 0.74rem;
}

tbody tr {
  transition: background var(--transition);
  cursor: pointer;
}

tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

/* Bleeder row */
tr.bleeder {
  background: var(--accent-red-dim) !important;
}

tr.bleeder:hover {
  background: var(--accent-red-strong) !important;
}

tr.bleeder td:first-child {
  position: relative;
}

tr.bleeder td:first-child::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent-red);
}

/* Status badge */
.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.status-badge.profitable {
  background: var(--accent-green-dim);
  color: var(--accent-green);
  border: 1px solid rgba(52, 211, 153, 0.2);
}

.status-badge.bleeder {
  background: var(--accent-red-dim);
  color: var(--accent-red);
  border: 1px solid rgba(248, 113, 113, 0.2);
}

/* Negative values */
.negative {
  color: var(--accent-red);
}

/* ================================================================
   Modal
   ================================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  animation: fadeIn 0.2s ease-out;
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 90vw;
  max-width: 1100px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  animation: modalIn 0.3s ease-out;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.97);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-size: 1rem;
  font-weight: 700;
}

#modalSku {
  color: var(--accent-blue);
}

.modal-close {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 1rem;
  padding: 6px 12px;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.modal-body {
  padding: 20px 28px;
  overflow-y: auto;
  flex: 1;
}

.modal-loading,
.modal-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 40px 0;
  color: var(--text-secondary);
}

.modal-loading.hidden,
.modal-empty.hidden {
  display: none;
}

.modal-table-wrap {
  overflow-x: auto;
}

#orderTable th,
#orderTable td {
  font-size: 0.78rem;
  padding: 10px 14px;
}

/* ================================================================
   Footer
   ================================================================ */
#footer {
  text-align: center;
  padding: 20px 32px;
  font-size: 0.72rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

/* ================================================================
   Responsive
   ================================================================ */
@media (max-width: 1024px) {
  .scorecards {
    grid-template-columns: repeat(2, 1fr);
  }

  #topbar {
    flex-direction: column;
    gap: 12px;
    padding: 12px 20px;
  }

  .topbar-left,
  .topbar-right {
    width: 100%;
    justify-content: center;
  }

  .page-title {
    display: none;
  }
}

@media (max-width: 640px) {
  .scorecards {
    grid-template-columns: 1fr;
  }

  .date-picker-group {
    flex-wrap: wrap;
  }

  .custom-range {
    flex-wrap: wrap;
  }

  #mainContent {
    padding: 16px;
  }
}

/* Pending settlement estimate styling */
.pending-estimate {
  color: #888 !important;
  font-style: italic;
}

.pending-badge {
  display: inline-block;
  background: rgba(255, 193, 7, 0.2);
  color: #ffc107;
  font-size: 0.65rem;
  padding: 1px 5px;
  border-radius: 4px;
  margin-left: 4px;
  font-weight: 600;
  vertical-align: middle;
}

tr.has-pending td.num {
  position: relative;
}

tfoot .pending-note {
  font-size: 0.7rem;
  color: #888;
  font-style: italic;
}

/* View toggle buttons */
.view-toggle {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.toggle-btn:hover {
  background: rgba(255, 255, 255, 0.05);
}

.toggle-btn.active {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

.child-count-badge {
  display: inline-block;
  background: rgba(99, 102, 241, 0.2);
  color: #8b8ff5;
  font-size: 0.6rem;
  padding: 1px 5px;
  border-radius: 4px;
  margin-left: 4px;
  font-weight: 600;
  vertical-align: middle;
}

/* Trend badges (PoP comparison) */
.card-trend {
  margin-top: 6px;
  min-height: 20px;
}

.trend-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.02em;
}

.trend-badge.trend-up {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
}

.trend-badge.trend-down {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

/* ============================================================ */
/* Ad Optimizer Section                                         */
/* ============================================================ */

.ad-optimizer-section {
  padding: 24px;
}

.ad-optimizer-header {
  margin-bottom: 24px;
}

.ad-optimizer-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #111827;
}

.ad-optimizer-desc {
  color: #6b7280;
  font-size: 0.9rem;
}

.ad-optimizer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 1200px) {
  .ad-optimizer-grid {
    grid-template-columns: 1fr;
  }
}

.ad-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.ad-card.tier1 {
  border-top: 4px solid #10b981;
}

.ad-card.tier2 {
  border-top: 4px solid #f59e0b;
}

.ad-card-header {
  padding: 20px;
  background: #f9fafb;
  border-bottom: 1px solid #e5e7eb;
}

.ad-card-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.ad-card-header p {
  font-size: 0.85rem;
  color: #6b7280;
}

.ad-card-stats {
  display: flex;
  gap: 16px;
  padding: 16px 20px;
  background: #fafafa;
  border-bottom: 1px solid #e5e7eb;
}

.ad-card-stats .stat {
  flex: 1;
  text-align: center;
}

.ad-card-stats .stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: #111827;
}

.ad-card-stats .stat-label {
  font-size: 0.75rem;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.ad-card-content {
  padding: 20px;
}

.ad-card-content h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: #374151;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.ad-card-content h4 + .ad-table-wrap {
  margin-bottom: 24px;
}

.ad-table-wrap {
  max-height: 250px;
  overflow-y: auto;
}

.ad-action-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.ad-action-table th {
  text-align: left;
  padding: 8px;
  background: #f3f4f6;
  font-weight: 600;
  color: #374151;
  position: sticky;
  top: 0;
}

.ad-action-table td {
  padding: 8px;
  border-bottom: 1px solid #e5e7eb;
}

.ad-action-table .num {
  text-align: right;
}

.empty-msg {
  text-align: center;
  padding: 20px;
  color: #10b981;
  font-weight: 500;
}

.hidden {
  display: none !important;
}