:root {
  --bg-deep: #06111f;
  --bg-navy: #0a1730;
  --bg-sidebar: rgba(5, 14, 27, 0.98);
  --bg-card: linear-gradient(145deg, rgba(15, 36, 62, 0.96), rgba(8, 22, 40, 0.96));
  --bg-card-inner: rgba(6, 17, 31, 0.75);
  --border-subtle: rgba(255, 255, 255, 0.12);
  --border-cyan: rgba(25, 211, 230, 0.26);
  --border-cyan-strong: rgba(25, 211, 230, 0.55);
  --accent-cyan: #19d3e6;
  --accent-blue: #14a9df;
  --accent-primary-grad: linear-gradient(90deg, #0c4ca8, #14a9df);
  /* Legibilidade aprimorada para textos principais e secundarios */
  --text-main: #ffffff;
  --text-secondary: #dbe7f5;
  --text-muted: #a8bdd4;
  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.16);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.18);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.18);
}

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

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  background:
    radial-gradient(circle at top right, rgba(0, 168, 232, 0.18), transparent 28%),
    radial-gradient(circle at bottom left, rgba(12, 76, 168, 0.16), transparent 32%),
    linear-gradient(135deg, #06111f 0%, #0a1730 55%, #07111f 100%);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.45;
}

.app-shell {
  display: grid;
  grid-template-columns: 272px 1fr;
  min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-subtle);
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.brand-box {
  padding: 16px;
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(25, 211, 230, 0.12), rgba(12, 76, 168, 0.16));
  border: 1px solid var(--border-cyan);
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--accent-cyan);
  margin-bottom: 4px;
}

.brand-title {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.4px;
  color: #fff;
}

.brand-sub {
  font-size: 12.5px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.nav-section-label {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.9px;
  color: var(--text-muted);
  padding: 6px 10px 2px;
  font-weight: 700;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.nav-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: all 0.18s ease;
}

.nav-btn:hover:not(:disabled) {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(25, 211, 230, 0.22);
}

.nav-btn.active {
  background: var(--accent-primary-grad);
  color: #fff;
  box-shadow: 0 10px 25px rgba(20, 169, 223, 0.28);
  border-color: rgba(255, 255, 255, 0.2);
}

.nav-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.sidebar-footer {
  padding: 14px;
  border-radius: 14px;
  background: rgba(15, 40, 68, 0.65);
  border: 1px solid var(--border-subtle);
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.sidebar-footer strong {
  color: var(--accent-cyan);
  display: block;
  margin-bottom: 4px;
}

/* TOPBAR */
.main-col {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  min-height: 74px;
  padding: 14px 28px;
  background: rgba(5, 14, 27, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 50;
}

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

.tenant-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-cyan);
  background: rgba(25, 211, 230, 0.11);
  color: #67d4f8;
  font-size: 13px;
  font-weight: 700;
}

.demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--warning-bg);
  border: 1px solid rgba(245, 158, 11, 0.45);
  color: #fcd34d;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

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

.select-ctrl {
  background: #081728;
  color: #fff;
  border: 1px solid var(--border-cyan);
  border-radius: 10px;
  padding: 9px 13px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

/* MAIN CONTENT */
.content-wrap {
  padding: 24px 28px 44px;
  max-width: 1500px;
  width: 100%;
  margin: 0 auto;
}

/* HERO HEADER + QUICK ACTIONS */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 22px;
  padding: 20px 24px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(12, 76, 168, 0.28), rgba(15, 36, 62, 0.9));
  border: 1px solid var(--border-cyan);
}

.page-header h1 {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 5px;
  color: #fff;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 14px;
}

.quick-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--accent-primary-grad);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 11px;
  padding: 11px 18px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(20, 169, 223, 0.25);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(20, 169, 223, 0.36);
}

.btn-primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-outline {
  background: rgba(25, 211, 230, 0.1);
  color: #fff;
  border: 1px solid var(--border-cyan);
  border-radius: 11px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-outline:hover:not(:disabled) {
  border-color: var(--accent-cyan);
  background: rgba(25, 211, 230, 0.18);
  transform: translateY(-1px);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.16);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.4);
  border-radius: 9px;
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-danger:hover:not(:disabled) {
  background: rgba(239, 68, 68, 0.28);
  color: #fff;
}

/* KPI GRID */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-radius: 18px;
  padding: 20px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.kpi-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-cyan-strong);
}

.kpi-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  gap: 8px;
}

.kpi-label {
  font-size: 13.5px;
  color: var(--text-secondary);
  font-weight: 600;
}

.kpi-tag {
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
}

.tag-up {
  background: var(--success-bg);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.35);
}

.tag-info {
  background: rgba(25, 211, 230, 0.14);
  color: #67d4f8;
  border: 1px solid rgba(25, 211, 230, 0.35);
}

.kpi-value {
  font-size: 27px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.6px;
  margin-bottom: 6px;
}

.kpi-sub {
  font-size: 12.5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

/* DASHBOARD ROWS */
.dash-row-middle, .dash-row-bottom {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 18px;
  margin-bottom: 20px;
}

.panel-card {
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-radius: 20px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.panel-title {
  font-size: 17px;
  font-weight: 800;
  color: #fff;
}

.panel-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 3px;
}

/* CHART */
.chart-box {
  background: var(--bg-card-inner);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 18px 16px 14px;
}

.chart-bars {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 12px;
  align-items: end;
  height: 175px;
  padding-top: 16px;
}

.bar-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  height: 100%;
  justify-content: flex-end;
}

.bar-val {
  font-size: 11.5px;
  color: #67d4f8;
  font-weight: 700;
  white-space: nowrap;
}

.bar-fill {
  width: 100%;
  max-width: 42px;
  border-radius: 8px 8px 4px 4px;
  background: linear-gradient(180deg, #19d3e6 0%, #0c4ca8 100%);
  box-shadow: 0 6px 16px rgba(25, 211, 230, 0.24);
  transition: height 0.3s ease;
}

.bar-day {
  font-size: 12.5px;
  color: var(--text-secondary);
  font-weight: 600;
}

.chart-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
  font-size: 13px;
  color: var(--text-secondary);
}

/* FINANCE SUMMARY */
.fin-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.fin-item {
  background: var(--bg-card-inner);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 15px 16px;
}

.fin-item-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  font-size: 13.5px;
  font-weight: 700;
}

.fin-amount {
  font-size: 21px;
  font-weight: 800;
}

.progress-track {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  overflow: hidden;
  margin: 8px 0 6px;
}

.progress-bar {
  height: 100%;
  border-radius: 999px;
}

/* TABLES */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 12px 13px;
  border-bottom: 1px solid var(--border-subtle);
  text-align: left;
  font-size: 13.5px;
  color: var(--text-main);
}

th {
  color: #67d4f8;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 800;
}

td small {
  color: var(--text-secondary);
  font-size: 12px;
}

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

.status-pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
}

.status-ok { background: var(--success-bg); color: #4ade80; border: 1px solid rgba(34,197,94,0.3); }
.status-warn { background: var(--warning-bg); color: #fcd34d; border: 1px solid rgba(245,158,11,0.35); }
.status-crit { background: var(--danger-bg); color: #fca5a5; border: 1px solid rgba(239,68,68,0.35); }

/* STOCK ALERT LIST */
.alert-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.alert-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 15px;
  border-radius: 13px;
  background: var(--bg-card-inner);
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.alert-row.critical {
  border-color: rgba(239, 68, 68, 0.45);
}

.alert-info h4 {
  font-size: 13.5px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 3px;
}

.alert-info p {
  font-size: 12.5px;
  color: var(--text-secondary);
}

/* =====================================================================
   MÓDULO 2 — VENDAS E PDV (FRENTE DE CAIXA PROFISSIONAL)
   ===================================================================== */
.pos-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
  align-items: start;
}

.search-bar-wrap {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.form-input {
  background: #051120;
  border: 1px solid var(--border-cyan);
  border-radius: 11px;
  padding: 11px 14px;
  color: #fff;
  font-size: 14px;
  width: 100%;
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(25, 211, 230, 0.18);
}

.catalog-results {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
  max-height: 255px;
  overflow-y: auto;
  padding-right: 4px;
}

.prod-pick-card {
  background: var(--bg-card-inner);
  border: 1px solid var(--border-subtle);
  border-radius: 13px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 8px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.prod-pick-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.prod-pick-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  font-size: 11.5px;
  color: var(--text-muted);
}

.prod-pick-name {
  font-size: 13.5px;
  font-weight: 700;
  color: #fff;
}

.prod-pick-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 4px;
}

.prod-pick-price {
  font-size: 15px;
  font-weight: 800;
  color: #67d4f8;
}

.qty-ctrl {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #051120;
  border: 1px solid var(--border-cyan);
  border-radius: 8px;
  padding: 2px 6px;
}

.qty-btn {
  background: transparent;
  border: none;
  color: #67d4f8;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  padding: 2px 6px;
}

.qty-input {
  width: 44px;
  background: transparent;
  border: none;
  color: #fff;
  text-align: center;
  font-weight: 700;
  font-size: 13.5px;
}

.price-input {
  width: 92px;
  background: #051120;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 6px 8px;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}

.pay-methods-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 6px;
}

.pay-btn {
  padding: 10px 8px;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card-inner);
  color: var(--text-secondary);
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s ease;
}

.pay-btn.selected {
  background: rgba(25, 211, 230, 0.18);
  border-color: var(--accent-cyan);
  color: #fff;
  box-shadow: 0 0 14px rgba(25, 211, 230, 0.22);
}

.checkout-totals {
  background: var(--bg-card-inner);
  border: 1px solid var(--border-cyan);
  border-radius: 14px;
  padding: 16px;
  margin: 14px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tot-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13.5px;
  color: var(--text-secondary);
}

.tot-row.grand {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
}

.filter-bar {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr auto;
  gap: 10px;
  margin-bottom: 16px;
  align-items: center;
}

.toast-banner {
  margin-bottom: 16px;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(34, 197, 94, 0.16);
  border: 1px solid rgba(34, 197, 94, 0.45);
  color: #86efac;
  font-size: 13.5px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* MODAL */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(3, 10, 20, 0.82);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 16px;
}

.modal-backdrop.open { display: flex; }

.modal-box {
  width: 100%;
  max-width: 620px;
  max-height: 90vh;
  overflow-y: auto;
  background: linear-gradient(145deg, #0d223d, #071324);
  border: 1px solid var(--border-cyan-strong);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.65);
}

.modal-box h3 {
  font-size: 19px;
  margin-bottom: 6px;
}

.form-group {
  margin-top: 13px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12.5px;
  color: var(--text-secondary);
  font-weight: 600;
}

/* RESPONSIVE */
@media (max-width: 1200px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .dash-row-middle, .dash-row-bottom, .pos-grid { grid-template-columns: 1fr; }
  .filter-bar { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }
  .nav-list {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 4px;
  }
  .nav-btn { white-space: nowrap; width: auto; }
  .content-wrap { padding: 18px 16px 32px; }
  .topbar { padding: 12px 16px; }
}

@media (max-width: 560px) {
  .kpi-grid, .filter-bar, .pay-methods-grid { grid-template-columns: 1fr; }
  .quick-actions { width: 100%; }
  .quick-actions button { flex: 1; }
}

/* =====================================================================
   ETAPA 2 — TELA DE LOGIN BLOQUEANTE (autenticacao real)
   ===================================================================== */
[hidden] { display: none !important; }

.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(circle at top right, rgba(0, 168, 232, 0.2), transparent 30%),
    linear-gradient(135deg, #06111f 0%, #0a1730 55%, #07111f 100%);
  overflow-y: auto;
}

.auth-gate-card {
  width: 100%;
  max-width: 440px;
  background: linear-gradient(145deg, #0d223d, #071324);
  border: 1px solid var(--border-cyan-strong);
  border-radius: 20px;
  padding: 28px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.65);
}

.auth-gate-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.auth-gate-brand img { border-radius: 10px; }

.auth-gate-card h2 { font-size: 20px; margin-bottom: 4px; }

.auth-gate-sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.auth-gate-submit { width: 100%; margin-top: 18px; padding: 13px; }

.auth-gate-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 16px;
  align-items: flex-start;
}

.auth-link {
  background: none;
  border: none;
  color: #67d4f8;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  padding: 2px 0;
  text-decoration: underline;
}

.auth-gate-message {
  margin: 12px 0 4px;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--border-subtle);
}

.auth-gate-message-error { background: var(--danger-bg); color: #fca5a5; border-color: rgba(239, 68, 68, 0.45); }
.auth-gate-message-ok { background: var(--success-bg); color: #86efac; border-color: rgba(34, 197, 94, 0.45); }
.auth-gate-message-info { background: var(--warning-bg); color: #fcd34d; border-color: rgba(245, 158, 11, 0.45); }

.session-user {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-secondary);
  padding: 7px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
}