:root {
  --bg-sand: #ffffff;
  --bg-body: #fbfbfb;
  --bg-card: #ffffff;
  --bg-warm: #f6f6f6;
  --text-charcoal: #0a0a0a;
  --text-muted: #666666;
  --border-soft: #e5e5e5;
  --border-strong: #000000;
  --accent-terracotta: #000000;
  --accent-terracotta-hover: #222222;
  --accent-olive: #000000;
  --status-existing-bg: #f4f4f4;
  --status-existing-fg: #0a0a0a;
  --status-variant-bg: #000000;
  --status-variant-fg: #ffffff;
  --status-new-bg: #000000;
  --status-new-fg: #ffffff;
  --status-alert-bg: #ffffff;
  --status-alert-fg: #000000;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-body);
  color: var(--text-charcoal);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 13.5px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Topbar */
.topbar {
  background: #ffffff;
  color: #0a0a0a;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-soft);
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-logo-img {
  height: 34px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  display: block;
}

.brand-subtitle {
  font-size: 11px;
  color: #777777;
  padding-left: 14px;
  border-left: 1px solid var(--border-soft);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
}

.nav-tabs {
  display: flex;
  gap: 4px;
}

.nav-tab {
  background: transparent;
  color: #555555;
  border: 1px solid transparent;
  padding: 7px 13px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all 0.15s ease;
}

.nav-tab:hover {
  background: #f4f4f4;
  color: #000000;
}

.nav-tab.active {
  background: #000000;
  color: #ffffff;
  font-weight: 600;
}

.status-pills {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
}

.pill {
  padding: 4px 10px;
  border-radius: 999px;
  background: #f5f5f5;
  color: #111111;
  border: 1px solid var(--border-soft);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
}
.dot.green { background: #10b981; }
.dot.amber { background: #f59e0b; }

.btn-logout {
  background: #ffffff !important;
  color: #000000 !important;
  border: 1px solid #000000 !important;
  padding: 3px 10px !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  border-radius: 6px !important;
}
.btn-logout:hover {
  background: #000000 !important;
  color: #ffffff !important;
}

/* Main container */
.main-container {
  max-width: 1640px;
  margin: 0 auto;
  padding: 18px 24px 48px;
}

/* KPI Strip */
.kpi-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 12px 16px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease;
}
.kpi-card:hover {
  border-color: #000000;
}

.kpi-label {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
}

.kpi-value {
  font-size: 22px;
  font-weight: 700;
  margin-top: 4px;
  color: var(--text-charcoal);
  letter-spacing: -0.02em;
}

.kpi-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Document Selector Bar */
.doc-selector-bar {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  box-shadow: var(--shadow-sm);
}

.doc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.doc-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border-soft);
  background: #ffffff;
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 500;
  color: #111111;
  transition: all 0.15s;
}

.doc-chip:hover {
  border-color: #000000;
}

.doc-chip.active {
  background: #000000;
  color: #ffffff;
  border-color: #000000;
}

.doc-chip.ok-done {
  background: #f4f4f4;
  border-color: #d1d1d1;
  color: #555555;
}

/* Split Screen Layout */
.split-workspace {
  display: grid;
  grid-template-columns: 44% 56%;
  gap: 18px;
  align-items: start;
}

@media (max-width: 1180px) {
  .split-workspace {
    grid-template-columns: 1fr;
  }
}

.panel-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.panel-header {
  padding: 12px 16px;
  background: #ffffff;
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.panel-title {
  font-weight: 600;
  font-size: 13.5px;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.01em;
}

.panel-body {
  padding: 16px;
}

/* Document Viewer */
.doc-preview-frame {
  width: 100%;
  height: 520px;
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  background: #111111;
  overflow: auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.doc-preview-frame img {
  max-width: 100%;
  height: auto;
  transition: transform 0.2s ease;
  transform-origin: top center;
}

.doc-preview-frame iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Email Notes Box */
.email-box {
  margin-top: 14px;
  background: #fafafa;
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  padding: 12px;
}

.email-box textarea {
  width: 100%;
  min-height: 68px;
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  padding: 8px 10px;
  font-family: inherit;
  font-size: 13px;
  resize: vertical;
  margin-top: 6px;
  background: #ffffff;
  color: var(--text-charcoal);
}

.email-box textarea:focus {
  border-color: #000000;
  outline: none;
}

/* Controls Grid in Right Panel */
.batch-controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(155px, 1fr));
  gap: 10px;
  background: #f9f9f9;
  padding: 12px;
  border-radius: 6px;
  border: 1px solid var(--border-soft);
  margin-bottom: 14px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.field-group label {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.field-group input,
.field-group select {
  padding: 7px 9px;
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  font-size: 13px;
  background: #ffffff;
  color: var(--text-charcoal);
  transition: border-color 0.15s ease;
}

.field-group input:focus,
.field-group select:focus {
  border-color: #000000;
  outline: none;
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.05);
}

/* Status Badges - Black & White Chic */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 7px;
  border-radius: 4px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.status-EXISTING_VARIANT {
  background: #f0f0f0;
  color: #111111;
  border: 1px solid #dcdcdc;
}

.status-NEW_VARIANT {
  background: #000000;
  color: #ffffff;
  border: 1px solid #000000;
}

.status-NEW_ITEM {
  background: #ffffff;
  color: #000000;
  border: 1.5px solid #000000;
}

.status-DISCREPANCY_ALERT {
  background: #ffffff;
  color: #000000;
  border: 1.5px solid #000000;
  text-decoration: underline;
}

.status-IGNORED_ZERO_QTY {
  background: #f3f4f6;
  color: #888888;
}

/* Validation Table */
.table-scroll {
  overflow-x: auto;
  max-height: 490px;
  overflow-y: auto;
  border: 1px solid var(--border-soft);
  border-radius: 6px;
}

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

table.isso-table th {
  background: #f7f7f7;
  color: var(--text-charcoal);
  text-align: left;
  padding: 9px 10px;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  border-bottom: 1px solid var(--border-soft);
  position: sticky;
  top: 0;
  z-index: 10;
}

table.isso-table td {
  padding: 8px 10px;
  border-bottom: 1px solid #eeeeee;
  vertical-align: middle;
}

table.isso-table tr:hover {
  background-color: #fcfcfc;
}

table.isso-table tr.row-alert {
  background-color: #fafafa;
  border-left: 3px solid #000000;
}

.inline-input {
  width: 100%;
  padding: 4px 6px;
  border: 1px solid #d5d5d5;
  border-radius: 4px;
  font-size: 12px;
  background: #ffffff;
}

.inline-input:focus {
  border-color: #000000;
  outline: none;
}

.inline-input.num {
  width: 68px;
  text-align: right;
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: #000000;
  color: #ffffff;
  border: 1px solid #000000;
}
.btn-primary:hover {
  background: #262626;
  border-color: #262626;
}

.btn-success {
  background: #000000;
  color: #ffffff;
  border: 1px solid #000000;
}
.btn-success:hover {
  background: #262626;
  border-color: #262626;
}

.btn-outline {
  background: #ffffff;
  color: #000000;
  border-color: #000000;
}
.btn-outline:hover {
  background: #f4f4f4;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 11.5px;
}

/* Matrix Catalog Cards */
.matrix-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.matrix-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.matrix-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-soft);
  padding-bottom: 10px;
  margin-bottom: 12px;
}

.variant-pills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
}

.variant-box {
  background: #f9f9f9;
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  padding: 10px 12px;
}

/* Toast Notification */
#toast-container {
  position: fixed;
  bottom: 22px;
  right: 22px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: #000000;
  color: #ffffff;
  padding: 11px 16px;
  border-radius: 6px;
  box-shadow: var(--shadow-md);
  font-size: 12.5px;
  max-width: 420px;
  border-left: 3px solid #ffffff;
}

/* Auth Overlay Gate */
.auth-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-card {
  background: #ffffff;
  border: 1px solid #000000;
  border-radius: 12px;
  max-width: 440px;
  width: 100%;
  padding: 34px 30px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
}

.auth-logo-img {
  max-height: 60px;
  max-width: 210px;
  height: auto;
  object-fit: contain;
  margin-bottom: 10px;
}

.auth-subtitle {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #666666;
  font-weight: 600;
}

.quick-accounts-section {
  margin-bottom: 14px;
}

.quick-accounts-title {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #777777;
  font-weight: 600;
  margin-bottom: 8px;
  text-align: center;
}

.quick-accounts-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.quick-account-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: #ffffff;
  border: 1px solid #e5e5e5;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  width: 100%;
}

.quick-account-btn:hover {
  border-color: #000000;
  background: #f9f9f9;
}

.quick-account-btn .account-email {
  font-size: 12.5px;
  font-weight: 500;
  color: #000000;
}

.quick-account-btn .account-badge {
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 2px 6px;
  border-radius: 4px;
  background: #f0f0f0;
  color: #333333;
}

.quick-account-btn .account-badge.admin {
  background: #000000;
  color: #ffffff;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 12px 0;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: #e5e5e5;
}

.auth-divider span {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #888888;
}

.login-error-box {
  padding: 9px 12px;
  border-radius: 6px;
  background: #ffffff;
  border: 1px solid #000000;
  color: #000000;
  font-size: 12px;
  font-weight: 500;
}

.auth-footer-note {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid #e5e5e5;
  font-size: 11px;
  color: #777777;
  text-align: center;
  line-height: 1.45;
}

/* Loyverse Connection Banner */
.loyverse-banner {
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.loyverse-banner.disconnected {
  background: #fafafa;
  border: 1px solid #000000;
  border-left: 5px solid #000000;
}

.loyverse-banner.connected {
  background: #ffffff;
  border: 1px solid var(--border-soft);
  border-left: 5px solid #10b981;
}