:root {
  --nuvy-telecom-bg: #F4F6F8;
  --nuvy-telecom-surface: #FFFFFF;
  --nuvy-telecom-border: #DCDFE6;
  --nuvy-telecom-border-subtle: #E2E8F0;
  --nuvy-telecom-text-primary: #0F172A;
  --nuvy-telecom-text-secondary: #64748B;
  --nuvy-telecom-text-muted: #94A3B8;

  --nuvy-telecom-primary: #00A896;
  --nuvy-telecom-primary-hover: #008F80;
  --nuvy-telecom-primary-soft: #E6FFFA;

  --nuvy-telecom-table-header: #00BFA5;
  --nuvy-telecom-table-header-border: #009688;

  --nuvy-telecom-kpi-success: #00B894;
  --nuvy-telecom-kpi-success-bar: #009475;
  --nuvy-telecom-kpi-info: #0984E3;
  --nuvy-telecom-kpi-info-bar: #076BB8;
  --nuvy-telecom-kpi-warning: #F39C12;
  --nuvy-telecom-kpi-warning-bar: #D68910;
  --nuvy-telecom-kpi-danger: #D63031;
  --nuvy-telecom-kpi-danger-bar: #B32526;

  --sidebar-bg: #2C3E50;
  --sidebar-active: #1A252F;
  --sidebar-icon: #3B9CDB;
  --sidebar-text: #CBD5E1;
  --sidebar-text-muted: #94A3B8;

  --radius-xs: 3px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --font-sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--nuvy-telecom-bg);
  color: var(--nuvy-telecom-text-primary);
  font-size: 13px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

/* Shell Layout */
.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 240px 1fr;
}

/* Sidebar Nuvy Finanças standard */
.sidebar {
  background-color: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  border-right: 1px solid rgba(0, 0, 0, 0.15);
  user-select: none;
}

.sidebar-header {
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-badge {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background-color: var(--nuvy-telecom-primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 14px;
  letter-spacing: -0.05em;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.brand-title {
  font-size: 15px;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.02em;
  display: flex;
  flex-direction: column;
}

.brand-sub {
  font-size: 10px;
  font-weight: 700;
  color: var(--sidebar-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sidebar-nav {
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  overflow-y: auto;
}

.nav-section-title {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sidebar-text-muted);
  padding: 12px 10px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 0;
  color: var(--sidebar-text);
  font-size: 12.5px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: all 0.12s ease;
  width: 100%;
}

.nav-item svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  color: var(--sidebar-text-muted);
  transition: color 0.12s ease;
}

.nav-item:hover {
  background-color: rgba(255, 255, 255, 0.06);
  color: #FFFFFF;
}

.nav-item:hover svg {
  color: var(--sidebar-icon);
}

.nav-item.active {
  background-color: var(--sidebar-active);
  color: #FFFFFF;
  font-weight: 700;
  box-shadow: inset 3px 0 0 var(--sidebar-icon);
}

.nav-item.active svg {
  color: var(--sidebar-icon);
}

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 11px;
  color: var(--sidebar-text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-user {
  display: flex;
  flex-direction: column;
}

.sidebar-username {
  color: #FFFFFF;
  font-weight: 700;
}

.btn-logout {
  background: transparent;
  border: 0;
  color: #F87171;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  padding: 3px 6px;
  border-radius: var(--radius-xs);
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.15);
}

/* Main Surface */
.main-area {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--nuvy-telecom-bg);
}

.topbar {
  background: #FFFFFF;
  border-bottom: 1px solid var(--nuvy-telecom-border);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-title {
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--nuvy-telecom-text-primary);
  letter-spacing: -0.01em;
}

.badge-tag {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  background: var(--nuvy-telecom-primary-soft);
  color: var(--nuvy-telecom-primary);
  border: 1px solid rgba(0, 168, 150, 0.25);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.content-container {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}

/* Page Header Block */
.page-header {
  background: #FFFFFF;
  border: 1px solid var(--nuvy-telecom-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header-info h1 {
  font-size: 16px;
  font-weight: 900;
  text-transform: uppercase;
  color: #1E293B;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-header-info p {
  font-size: 11.5px;
  color: var(--nuvy-telecom-text-secondary);
  margin-top: 2px;
}

.page-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Solid Bipartite KPI Cards (Referência Canônica Nuvy Telecom v4) */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 12px;
}

.kpi-card {
  border-radius: var(--radius-sm);
  color: #FFFFFF;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.1s ease;
}

.kpi-card:hover {
  transform: translateY(-1px);
}

.kpi-main {
  padding: 12px 14px;
  flex: 1;
}

.kpi-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 10.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  opacity: 0.95;
}

.kpi-value {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 900;
  margin-top: 4px;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.kpi-sub {
  font-size: 11px;
  font-weight: 600;
  margin-top: 4px;
  opacity: 0.9;
}

.kpi-bar {
  padding: 5px 14px;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  letter-spacing: 0.02em;
}

/* KPI Color Variations */
.kpi-success .kpi-main { background-color: var(--nuvy-telecom-kpi-success); }
.kpi-success .kpi-bar { background-color: var(--nuvy-telecom-kpi-success-bar); }

.kpi-info .kpi-main { background-color: var(--nuvy-telecom-kpi-info); }
.kpi-info .kpi-bar { background-color: var(--nuvy-telecom-kpi-info-bar); }

.kpi-warning .kpi-main { background-color: var(--nuvy-telecom-kpi-warning); }
.kpi-warning .kpi-bar { background-color: var(--nuvy-telecom-kpi-warning-bar); }

.kpi-danger .kpi-main { background-color: var(--nuvy-telecom-kpi-danger); }
.kpi-danger .kpi-bar { background-color: var(--nuvy-telecom-kpi-danger-bar); }

.kpi-primary .kpi-main { background-color: var(--nuvy-telecom-primary); }
.kpi-primary .kpi-bar { background-color: var(--nuvy-telecom-primary-hover); }

/* Compact Operational Panels */
.panel {
  background: #FFFFFF;
  border: 1px solid var(--nuvy-telecom-border);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
  overflow: hidden;
}

.panel-head {
  padding: 10px 14px;
  background-color: #FAFAFC;
  border-bottom: 1px solid var(--nuvy-telecom-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.panel-title {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--nuvy-telecom-text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.panel-subtitle {
  font-size: 11px;
  color: var(--nuvy-telecom-text-secondary);
}

.panel-body {
  padding: 14px;
}

/* Forms & Controls */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.form-grid {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

.form-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.form-grid-5 { grid-template-columns: 2fr 1fr 1fr 1fr auto; }

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

.form-label {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--nuvy-telecom-text-secondary);
  letter-spacing: 0.04em;
}

.input-dense {
  font-family: var(--font-sans);
  font-size: 12px;
  padding: 6px 10px;
  border: 1px solid var(--nuvy-telecom-border);
  border-radius: var(--radius-xs);
  background-color: #FFFFFF;
  color: var(--nuvy-telecom-text-primary);
  outline: none;
  transition: border-color 0.12s ease;
  height: 32px;
  width: 100%;
}

.input-dense:focus {
  border-color: var(--nuvy-telecom-primary);
  box-shadow: 0 0 0 1px var(--nuvy-telecom-primary);
}

select.input-dense {
  cursor: pointer;
}

/* Buttons */
.btn-primary {
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 6px 14px;
  border-radius: var(--radius-xs);
  background-color: var(--nuvy-telecom-primary);
  color: #FFFFFF;
  border: 1px solid var(--nuvy-telecom-primary-hover);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 32px;
  white-space: nowrap;
  transition: background-color 0.12s ease;
}

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

.btn-secondary {
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  background-color: #FFFFFF;
  color: var(--nuvy-telecom-text-primary);
  border: 1px solid var(--nuvy-telecom-border);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  white-space: nowrap;
  transition: background-color 0.12s ease;
}

.btn-secondary:hover {
  background-color: #F8FAFC;
  border-color: #CBD5E1;
}

.btn-action {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--nuvy-telecom-border);
  background: #FFFFFF;
  color: var(--nuvy-telecom-text-primary);
  cursor: pointer;
  transition: all 0.12s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-action:hover {
  background: #F1F5F9;
  border-color: #94A3B8;
}

.btn-action-teal {
  background: var(--nuvy-telecom-primary-soft);
  color: var(--nuvy-telecom-primary-hover);
  border-color: rgba(0, 168, 150, 0.3);
}

.btn-action-teal:hover {
  background: var(--nuvy-telecom-primary);
  color: #FFFFFF;
}

/* High-Density Canonical Table with Teal Header */
.table-container {
  overflow-x: auto;
  border: 1px solid var(--nuvy-telecom-border);
  border-radius: var(--radius-sm);
  background: #FFFFFF;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  text-align: left;
}

.data-table th {
  background-color: var(--nuvy-telecom-table-header);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 8px 12px;
  border-right: 1px solid var(--nuvy-telecom-table-header-border);
  white-space: nowrap;
}

.data-table th:last-child {
  border-right: none;
}

.data-table td {
  padding: 7px 12px;
  border-bottom: 1px solid #EEF2F6;
  border-right: 1px solid #F1F5F9;
  color: var(--nuvy-telecom-text-primary);
  vertical-align: middle;
}

.data-table td:last-child {
  border-right: none;
}

.data-table tbody tr:nth-child(even) {
  background-color: #FAFCFD;
}

.data-table tbody tr:hover {
  background-color: #F1F8F7;
}

.data-table .mono {
  font-family: var(--font-mono);
  font-weight: 600;
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
}

.badge-active,
.badge-online,
.badge-completed,
.badge-paid {
  background-color: #E6F7F0;
  color: #0E8055;
  border-color: #A3E6CD;
}

.badge-pending,
.badge-triage,
.badge-open {
  background-color: #FEF9E7;
  color: #9A6803;
  border-color: #FAD7A0;
}

.badge-in_progress,
.badge-assigned {
  background-color: #EBF5FB;
  color: #1B4F72;
  border-color: #A9CCE3;
}

.badge-suspended,
.badge-cancelled,
.badge-offline,
.badge-overdue {
  background-color: #FDEDEC;
  color: #922B21;
  border-color: #F5B7B1;
}

.badge-lead {
  background-color: #F4F6F7;
  color: #566573;
  border-color: #D5D8DC;
}

.empty-cell {
  color: var(--nuvy-telecom-text-muted);
}

.empty-state {
  text-align: center;
  padding: 36px 20px;
  color: var(--nuvy-telecom-text-secondary);
}

.empty-state-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--nuvy-telecom-text-primary);
  margin-bottom: 4px;
}

/* Module Grid Overview */
.module-catalog {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}

.module-box {
  background: #FFFFFF;
  border: 1px solid var(--nuvy-telecom-border);
  border-radius: var(--radius-sm);
  padding: 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
  transition: all 0.12s ease;
}

.module-box:hover {
  border-color: #CBD5E1;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.module-box-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.module-box-title {
  font-size: 13px;
  font-weight: 800;
  color: var(--nuvy-telecom-text-primary);
}

.module-box-desc {
  font-size: 11.5px;
  color: var(--nuvy-telecom-text-secondary);
  line-height: 1.4;
}

/* Login View Canonical Theme */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #0F172A;
  background-image: 
    radial-gradient(at 0% 0%, rgba(0, 168, 150, 0.15) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(59, 156, 219, 0.1) 0px, transparent 50%);
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: #FFFFFF;
  border: 1px solid var(--nuvy-telecom-border);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
  padding: 28px 24px;
}

.login-brand-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.login-title {
  font-size: 17px;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--nuvy-telecom-text-primary);
  letter-spacing: -0.01em;
}

.login-subtitle {
  font-size: 11.5px;
  color: var(--nuvy-telecom-text-secondary);
  margin-top: 3px;
  margin-bottom: 18px;
}

.login-alert {
  padding: 8px 12px;
  background-color: #FEF2F2;
  border: 1px solid #FCA5A5;
  color: #B91C1C;
  border-radius: var(--radius-xs);
  font-size: 11.5px;
  font-weight: 600;
  margin-top: 12px;
}

/* Responsive adjustments */
@media (max-width: 900px) {
  .shell {
    grid-template-columns: 1fr;
  }
  .sidebar {
    display: none; /* can be expanded with mobile toggle */
  }
  .form-grid-3,
  .form-grid-4,
  .form-grid-5 {
    grid-template-columns: 1fr;
  }
}