:root {
  --bg: #f8f9fa;
  --surface: #ffffff;
  --border: #e9ecef;
  --border-dark: #dee2e6;
  --text-primary: #212529;
  --text-secondary: #495057;
  --text-muted: #6c757d;

  --primary: #0d6efd;
  --primary-hover: #0b5ed7;
  --primary-light: rgba(13, 110, 253, 0.08);

  --green: #198754;
  --green-light: rgba(25, 135, 84, 0.1);
  --amber: #ffc107;
  --amber-light: rgba(255, 193, 7, 0.15);
  --rose: #dc3545;
  --rose-light: rgba(220, 53, 69, 0.1);
  --purple: #6f42c1;
  --purple-light: rgba(111, 66, 193, 0.1);

  --shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Auth Portal */
.auth-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-color: #f1f3f5;
  padding: 20px;
}

.auth-card {
  background-color: var(--surface);
  border: 1px solid var(--border-dark);
  border-radius: 8px;
  width: 100%;
  max-width: 400px;
  padding: 32px;
  box-shadow: var(--shadow-lg);
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.auth-logo-icon {
  width: 32px;
  height: 32px;
  background-color: var(--primary);
  color: #fff;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
}

.auth-logo h1 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.5px;
}

.auth-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 6px;
}

.auth-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-dark);
  border-radius: 6px;
  font-family: inherit;
  font-size: 13px;
  color: var(--text-primary);
  background-color: #fff;
  transition: border-color 0.15s;
}

.form-control:focus {
  border-color: var(--primary);
  outline: none;
}

.auth-btn {
  width: 100%;
  padding: 10px;
  background-color: var(--primary);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 10px;
  transition: background-color 0.15s;
}

.auth-btn:hover {
  background-color: var(--primary-hover);
}

.auth-error {
  margin-top: 14px;
  padding: 8px;
  background-color: var(--rose-light);
  color: var(--rose);
  border-radius: 4px;
  font-size: 11px;
  text-align: center;
  display: none;
}

/* Layout App */
.app-wrapper {
  display: none;
  flex-direction: column;
  flex: 1;
}

/* Header */
.app-header {
  background-color: var(--surface);
  border-bottom: 1px solid var(--border-dark);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.brand-icon {
  width: 28px;
  height: 28px;
  background-color: var(--primary);
  color: #fff;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
}

.brand-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.header-user {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
}

.user-email {
  font-weight: 500;
  color: var(--text-secondary);
}

.role-badge {
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  background-color: #e9ecef;
  color: var(--text-secondary);
}

.role-badge.enterprise {
  background-color: var(--primary-light);
  color: var(--primary);
}

.role-badge.pro {
  background-color: var(--amber-light);
  color: var(--purple);
}

.logout-btn {
  background: none;
  border: 1px solid var(--border-dark);
  padding: 4px 10px;
  border-radius: 4px;
  font-family: inherit;
  font-size: 11px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.15s;
}

.logout-btn:hover {
  background-color: #f1f3f5;
  border-color: var(--rose);
  color: var(--rose);
}

/* Navigation tabs control */
.nav-tabs-bar {
  background-color: var(--surface);
  border-bottom: 1px solid var(--border-dark);
  padding: 0 24px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
}

.nav-tab {
  padding: 12px 16px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}

.nav-tab:hover {
  color: var(--text-primary);
  background-color: #f8f9fa;
}

.nav-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

/* Main content views */
.view-container {
  flex: 1;
  padding: 24px;
  display: none;
}

.view-container.active {
  display: block;
}

/* General Layout Blocks */
.panel-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 20px;
}

.col-12 {
  grid-column: span 12;
}

.col-8 {
  grid-column: span 8;
}

.col-6 {
  grid-column: span 6;
}

.col-4 {
  grid-column: span 4;
}

.col-3 {
  grid-column: span 3;
}

@media (max-width: 992px) {
  .col-8,
  .col-6,
  .col-4,
  .col-3 {
    grid-column: span 12;
  }
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* KPI Cards */
.kpi-wrapper {
  display: flex;
  flex-direction: column;
}

.kpi-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.kpi-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
}

/* Table Controls */
.filter-bar {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 16px;
  margin-bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.filter-control-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
}

.btn-primary {
  padding: 8px 14px;
  background-color: var(--primary);
  color: #fff;
  border: none;
  border-radius: 4px;
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s;
}

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

.btn-outline {
  padding: 8px 14px;
  background: none;
  border: 1px solid var(--border-dark);
  border-radius: 4px;
  font-family: inherit;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.15s;
}

.btn-outline:hover {
  background-color: #f1f3f5;
  color: var(--text-primary);
}

/* Tables styling */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.pica-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  background-color: var(--surface);
  text-align: left;
}

.pica-table th {
  background-color: #f8f9fa;
  color: var(--text-secondary);
  font-weight: 600;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-dark);
  font-size: 11px;
  text-transform: uppercase;
}

.pica-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}

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

.pica-table tr:hover {
  background-color: #f8f9fa;
}

/* Badges & Badges Circular PHS */
.badge-phs {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  text-align: center;
}

.phs-high {
  background-color: var(--green-light);
  color: var(--green);
}

.phs-mid {
  background-color: var(--amber-light);
  color: var(--amber);
}

.phs-low {
  background-color: var(--rose-light);
  color: var(--rose);
}

.badge-text {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 500;
}

.badge-blue {
  background-color: var(--primary-light);
  color: var(--primary);
}

.badge-purple {
  background-color: var(--purple-light);
  color: var(--purple);
}

.badge-orange {
  background-color: var(--amber-light);
  color: #e65c00;
}

.badge-red {
  background-color: var(--rose-light);
  color: var(--rose);
}

/* Circle badge */
.circle-phs {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 10px;
  font-family: 'JetBrains Mono', monospace;
  color: #fff;
}

.circle-phs.high {
  background-color: var(--green);
}

.circle-phs.mid {
  background-color: var(--amber);
}

.circle-phs.low {
  background-color: var(--rose);
}

/* Progress bar inside table cell */
.progress-container {
  width: 100px;
  background-color: #e9ecef;
  border-radius: 3px;
  overflow: hidden;
  height: 8px;
  display: inline-block;
  vertical-align: middle;
  margin-right: 8px;
}

.progress-val {
  height: 100%;
  background-color: var(--primary);
}

/* Settings Sub Tabs */
.settings-layout {
  display: flex;
  gap: 24px;
}

.settings-nav {
  width: 200px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.settings-nav-btn {
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s;
}

.settings-nav-btn:hover {
  background-color: #f1f3f5;
  color: var(--text-primary);
}

.settings-nav-btn.active {
  background-color: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

.settings-content {
  flex: 1;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
}

.settings-subview {
  display: none;
}

.settings-subview.active {
  display: block;
}

/* Dropzone & console settings */
.dropzone {
  border: 2px dashed var(--border-dark);
  border-radius: 8px;
  padding: 30px;
  text-align: center;
  cursor: pointer;
  background-color: #fafbfe;
  transition: all 0.15s;
}

.dropzone:hover {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.dropzone-icon {
  font-size: 28px;
  margin-bottom: 8px;
}

.dropzone p {
  font-size: 12px;
  color: var(--text-secondary);
}

.dropzone span {
  font-size: 10px;
  color: var(--text-muted);
}

.terminal-console {
  background-color: #212529;
  color: #f8f9fa;
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  padding: 16px;
  height: 140px;
  overflow-y: auto;
  margin-top: 14px;
}

.terminal-console .log-ln {
  margin-bottom: 4px;
}

.terminal-console .stage {
  color: var(--amber);
}

/* PCA Control bar */
.pca-control-bar {
  padding: 8px 12px;
  background-color: var(--green-light);
  border: 1px solid rgba(25, 135, 84, 0.2);
  color: var(--green);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 16px;
}

.pca-control-bar.invalid {
  background-color: var(--rose-light);
  border-color: rgba(220, 53, 69, 0.2);
  color: var(--rose);
}

.pca-weights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.pca-weight-input-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pca-weight-input-wrap label {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Graph Controls button group */
.btn-group {
  display: inline-flex;
  border: 1px solid var(--border-dark);
  border-radius: 4px;
  overflow: hidden;
}

.btn-group-btn {
  border: none;
  background-color: #fff;
  padding: 6px 12px;
  font-size: 10px;
  font-weight: 600;
  cursor: pointer;
  border-right: 1px solid var(--border-dark);
}

.btn-group-btn:last-child {
  border-right: none;
}

.btn-group-btn:hover {
  background-color: #f1f3f5;
}

.btn-group-btn.active {
  background-color: var(--primary);
  color: #fff;
}

/* Banner */
.info-banner {
  padding: 12px 16px;
  background-color: var(--primary-light);
  border-left: 3px solid var(--primary);
  color: var(--text-secondary);
  font-size: 12px;
  border-radius: 0 6px 6px 0;
  margin-bottom: 16px;
}

.empty-lbl {
  text-align: center;
  padding: 40px;
  font-size: 12px;
  color: var(--text-muted);
}