/* ============================================
   Dashboard Layout, KPI Cards, Charts, Tables
   ============================================ */

/* --- App Shell --- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-8);
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
}
.app-header .brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.app-header .brand img { height: 36px; width: 36px; object-fit: contain; }
.app-header .brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.app-header .brand-name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.01em;
}
[data-theme="dark"] .app-header .brand-name { color: var(--cyan-light); }
.app-header .brand-sub {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 500;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.header-actions .btn-ghost {
  min-width: 40px;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.header-meta {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.last-update {
  font-size: var(--text-xs);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.update-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  display: inline-block;
}
.update-dot.error { background: var(--danger); }

/* Theme toggle */
.theme-toggle {
  position: relative;
  width: 44px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--silver-light);
  transition: background var(--transition);
  cursor: pointer;
}
[data-theme="dark"] .theme-toggle { background: var(--royal); }
.theme-toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: white;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}
[data-theme="dark"] .theme-toggle::after { transform: translateX(20px); }

/* User badge */
.user-badge {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--royal);
  background: var(--info-bg);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

/* --- Main Content --- */
.app-main {
  max-width: 1440px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-8);
}

/* --- Filters Bar --- */
.filters-bar {
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  align-items: end;
  gap: var(--space-3) var(--space-4);
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-glass);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  position: sticky;
  top: 78px;
  z-index: 40;
}
.filters-bar label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}
.filter-field {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.filters-bar .select {
  width: 100%;
  min-height: 42px;
  background-color: var(--bg-secondary);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
[data-theme="dark"] .filters-bar .select {
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.section-block { margin-bottom: var(--space-8); }
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}
.section-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

/* --- KPI Grid --- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}
.kpi-grid-main { grid-template-columns: repeat(5, 1fr); margin-bottom: 0; }
.kpi-grid-secondary { grid-template-columns: repeat(4, 1fr); margin-bottom: 0; }

/* --- Glass Card Base --- */
.card {
  background: var(--gradient-card);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
  padding: var(--space-5) var(--space-6);
  transition: all var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

/* --- KPI Card --- */
.kpi-card {
  position: relative;
  overflow: visible;
  z-index: 1;
}
.kpi-card:hover { z-index: 15; }
.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.kpi-card.faturamento::before { background: var(--gradient-accent); }
.kpi-card.receber::before { background: var(--success); }
.kpi-card.pagar::before { background: var(--warning); }
.kpi-card.saldo::before { background: var(--cyan); }
.kpi-card.inadimplencia::before { background: var(--danger); }
.kpi-card.recebimentos::before { background: var(--success); }
.kpi-card.ticket::before { background: var(--royal); }
.kpi-card.pmr::before { background: var(--info); }
.kpi-card.cobertura::before { background: var(--success); }

.kpi-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: var(--space-3);
}
.kpi-card.faturamento .kpi-icon { background: var(--info-bg); }
.kpi-card.receber .kpi-icon { background: var(--success-bg); }
.kpi-card.pagar .kpi-icon { background: var(--warning-bg); }
.kpi-card.saldo .kpi-icon { background: rgba(0, 180, 216, 0.1); }
.kpi-card.inadimplencia .kpi-icon { background: var(--danger-bg); }
.kpi-card.recebimentos .kpi-icon { background: var(--success-bg); }
.kpi-card.ticket .kpi-icon { background: var(--info-bg); }
.kpi-card.pmr .kpi-icon { background: rgba(59, 130, 246, 0.12); }
.kpi-card.cobertura .kpi-icon { background: var(--success-bg); }

.kpi-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}
.kpi-info {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  cursor: help;
  background: rgba(148, 163, 184, 0.12);
  outline: none;
}
.kpi-info svg { width: 12px; height: 12px; }
.kpi-info::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  top: calc(100% + 8px);
  transform: translateX(-50%);
  min-width: 240px;
  max-width: 280px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  line-height: 1.4;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  z-index: 60;
  text-transform: none;
  letter-spacing: normal;
  font-weight: 500;
}
.kpi-info:hover::after,
.kpi-info:focus::after,
.kpi-info.is-open::after { opacity: 1; }

.kpi-alert-badge {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #fff;
  background: var(--danger);
  border-radius: var(--radius-full);
  padding: 2px 8px;
}
.alert-pulse-border {
  border-color: var(--danger) !important;
  animation: borderPulse 1.3s ease-in-out infinite;
}
@keyframes borderPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.25); }
  50% { box-shadow: 0 0 0 6px rgba(239, 68, 68, 0.05); }
}

.kpi-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-2);
}
.kpi-head .kpi-label { margin-bottom: 0; }
.kpi-value {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: var(--space-2);
}
.kpi-sub {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.kpi-badge {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-full);
}
.kpi-badge.up { color: var(--success); background: var(--success-bg); }
.kpi-badge.down { color: var(--danger); background: var(--danger-bg); }

.mobile-kpi-toggle {
  display: none;
  width: 100%;
  justify-content: center;
  margin-top: var(--space-3);
}

/* --- Chart Grid --- */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}
.charts-stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
.charts-stack .section-header { margin-bottom: 0; }
.analytics-grid { margin-bottom: 0; }

.chart-card {
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
}
.chart-card.full-width { grid-column: 1 / -1; }
.chart-card::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--royal), transparent 70%);
}
.chart-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}
.chart-subtitle {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-bottom: var(--space-5);
}
.chart-container {
  position: relative;
  width: 100%;
  height: 280px;
}
.chart-container canvas { max-height: 100%; }
.chart-empty-state {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  color: var(--text-muted);
  font-size: var(--text-sm);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  background: rgba(148, 163, 184, 0.04);
}
.chart-empty-state svg { width: 16px; height: 16px; }

/* --- Debtors Table --- */
.debtors-section { margin-bottom: var(--space-8); }
.table-card {
  padding: 0;
  overflow: hidden;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.data-table { width: 100%; }
.data-table thead { background: var(--bg-primary); }
[data-theme="dark"] .data-table thead { background: rgba(0,0,0,0.2); }
.data-table th {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition-fast);
}
.data-table tbody tr:nth-child(even) td { background: rgba(148, 163, 184, 0.03); }
.data-table tbody tr:hover td { background: rgba(25, 85, 165, 0.03); }
[data-theme="dark"] .data-table tbody tr:hover td { background: rgba(255,255,255,0.03); }
[data-theme="dark"] .data-table tbody tr:nth-child(even) td { background: rgba(255, 255, 255, 0.02); }
.data-table .pos {
  font-weight: 800;
  color: var(--text-primary);
  font-size: var(--text-base);
}
.data-table .name { font-weight: 600; color: var(--text-primary); }
.data-table .money { font-weight: 700; font-variant-numeric: tabular-nums; }
.data-table .money.danger { color: var(--danger); }
.table-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-6);
  color: var(--text-muted);
  font-size: var(--text-sm);
}
.table-empty svg { width: 16px; height: 16px; }

.atraso-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
}
.atraso-badge.green { color: var(--success); background: var(--success-bg); }
.atraso-badge.yellow { color: var(--warning); background: var(--warning-bg); }
.atraso-badge.red { color: var(--danger); background: var(--danger-bg); }

/* --- Status Bar (bottom) --- */
.status-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-4);
  font-size: var(--text-xs);
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

/* --- Connection Error Banner --- */
.error-banner {
  display: none;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  background: var(--danger-bg);
  color: var(--danger);
  font-size: var(--text-sm);
  font-weight: 600;
}
.error-banner.visible { display: flex; }

/* --- Loading State --- */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  z-index: 1000;
  transition: opacity var(--transition-slow);
}
.loading-overlay.hidden { opacity: 0; pointer-events: none; }
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--royal);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Login Page --- */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}
.login-page::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 180, 216, 0.08) 0%, transparent 70%);
  top: -200px;
  right: -200px;
}
.login-page::after {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(25, 85, 165, 0.06) 0%, transparent 70%);
  bottom: -150px;
  left: -150px;
}
.login-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 400px;
  padding: var(--space-10);
}
.login-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
}
.login-logo img { width: 64px; height: 64px; }
.login-logo h1 {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.02em;
}
[data-theme="dark"] .login-logo h1 { color: var(--cyan-light); }
.login-logo p { font-size: var(--text-sm); color: var(--text-muted); }
.login-form { display: flex; flex-direction: column; gap: var(--space-4); }
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-group label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.login-btn {
  width: 100%;
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-base);
  font-weight: 700;
  border-radius: var(--radius-md);
  background: var(--gradient-accent);
  color: white;
  box-shadow: 0 4px 16px rgba(25, 85, 165, 0.3);
  transition: all var(--transition-fast);
  margin-top: var(--space-2);
}
.login-btn:hover { box-shadow: 0 6px 24px rgba(25, 85, 165, 0.4); transform: translateY(-1px); }
.login-btn:active { transform: translateY(0); }
.login-error {
  display: none;
  padding: var(--space-3);
  background: var(--danger-bg);
  color: var(--danger);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  text-align: center;
}
.login-error.visible { display: block; }

/* --- Lucide Icon System --- */
.kpi-icon svg {
  width: 20px;
  height: 20px;
  stroke-width: 1.75;
}
.kpi-card.faturamento .kpi-icon svg { color: var(--royal); }
.kpi-card.receber .kpi-icon svg { color: var(--success); }
.kpi-card.pagar .kpi-icon svg { color: var(--warning); }
.kpi-card.saldo .kpi-icon svg { color: var(--cyan); }
.kpi-card.inadimplencia .kpi-icon svg { color: var(--danger); }
.kpi-card.recebimentos .kpi-icon svg { color: var(--success); }
.kpi-card.ticket .kpi-icon svg { color: var(--royal); }
.kpi-card.pmr .kpi-icon svg { color: var(--info); }
.kpi-card.cobertura .kpi-icon svg { color: var(--success); }

.chart-title svg {
  display: inline-block;
  width: 16px;
  height: 16px;
  vertical-align: -2px;
  margin-right: 4px;
  color: var(--text-muted);
}
.section-title svg {
  display: inline-block;
  width: 20px;
  height: 20px;
  vertical-align: -3px;
  margin-right: 6px;
  color: var(--text-muted);
}
.btn-ghost svg {
  width: 16px;
  height: 16px;
}
.error-banner svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.status-bar svg {
  width: 12px;
  height: 12px;
  vertical-align: -1px;
}

/* Login form input icons */
.input-icon-wrap {
  position: relative;
}
.input-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  z-index: 1;
}
.input-icon svg {
  width: 16px;
  height: 16px;
}
.input.has-icon {
  padding-left: 40px;
}
.login-btn svg {
  width: 18px;
  height: 18px;
  vertical-align: -3px;
  margin-right: 4px;
}
.lucide-spin {
  animation: spin 0.8s linear infinite;
  vertical-align: -3px;
}

/* --- Responsive --- */
@media (max-width: 1200px) {
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
  .kpi-grid-main { grid-template-columns: repeat(3, 1fr); }
  .kpi-grid-secondary { grid-template-columns: repeat(2, 1fr); }
  .kpi-value { font-size: var(--text-2xl); }
}
@media (max-width: 900px) {
  .app-main { padding: var(--space-4); }
  .app-header { padding: var(--space-3) var(--space-4); gap: var(--space-2); }
  .brand-text { max-width: 140px; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi-grid-main { grid-template-columns: repeat(2, 1fr); }
  .kpi-grid-secondary { grid-template-columns: repeat(2, 1fr); }
  .charts-grid { grid-template-columns: 1fr; }
  .header-meta { display: none; }
  .filters-bar {
    grid-template-columns: 1fr;
    position: static;
    top: auto;
    z-index: auto;
  }
  .chart-container { height: 240px; }
  .table-card .data-table { min-width: 720px; }
  .status-bar { flex-wrap: wrap; gap: var(--space-2); padding: var(--space-3); }
}
@media (max-width: 600px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .kpi-grid-main { grid-template-columns: 1fr; }
  .kpi-grid-secondary { grid-template-columns: 1fr; }
  .app-header {
    position: static;
    padding: var(--space-3);
    align-items: flex-start;
  }
  .header-actions {
    width: 100%;
    justify-content: space-between;
  }
  .user-badge {
    max-width: 130px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .kpi-value { font-size: 1.65rem; }
  .kpi-sub { flex-wrap: wrap; }
  .filters-bar { gap: var(--space-2); }
  .mobile-kpi-toggle { display: inline-flex; }
  body:not(.mobile-kpis-expanded) .mobile-kpi-extra,
  body:not(.mobile-kpis-expanded) .mobile-kpi-extra-section {
    display: none;
  }
  body.mobile-kpis-expanded .mobile-kpi-extra {
    display: block;
  }
  body.mobile-kpis-expanded .mobile-kpi-extra-section {
    display: block;
  }
  .kpi-info::after {
    min-width: 180px;
    max-width: 220px;
    left: auto;
    right: 0;
    transform: none;
  }
  .chart-container { height: 220px; }
  .table-card .data-table { min-width: 660px; }
  .data-table { font-size: var(--text-xs); }
  .data-table th, .data-table td { padding: var(--space-2); }
  .status-bar span:nth-child(2),
  .status-bar span:nth-child(4) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .slide-up,
  .card,
  .kpi-card,
  .btn,
  .kpi-info::after {
    animation: none !important;
    transition: none !important;
  }
}