/* ==========================================================================
   TSURIA ORIGEM — DESIGN SYSTEM SAAS MODERNO v2.5 (SIDEBAR LAYOUT)
   Inspirado em Linear, Raycast, Supabase e Vercel
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Cores Base & Superfícies */
  --bg-canvas: #070a12;
  --bg-sidebar: rgba(11, 15, 25, 0.96);
  --bg-surface: #0f172a;
  --bg-surface-elevated: #162032;
  --bg-card: rgba(15, 23, 42, 0.7);
  --bg-card-hover: rgba(22, 32, 50, 0.85);
  --bg-input: rgba(13, 19, 33, 0.85);

  /* Tipografia */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #070a12;

  /* Bordas & Divisores */
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-medium: rgba(255, 255, 255, 0.12);
  --border-glow: rgba(56, 189, 248, 0.35);
  --border-focus: #38bdf8;

  /* Cores de Ação & Brand */
  --brand-gradient: linear-gradient(135deg, #0284c7 0%, #38bdf8 100%);
  --brand-glow: rgba(56, 189, 248, 0.25);
  --accent-primary: #38bdf8;
  --accent-primary-hover: #0ea5e9;
  
  /* Status Semânticos */
  --accent-success: #10b981;
  --accent-success-bg: rgba(16, 185, 129, 0.12);
  --accent-success-border: rgba(16, 185, 129, 0.25);
  --accent-success-text: #34d399;

  --accent-warning: #f59e0b;
  --accent-warning-bg: rgba(245, 158, 11, 0.12);
  --accent-warning-border: rgba(245, 158, 11, 0.25);
  --accent-warning-text: #fbbf24;

  --accent-danger: #f43f5e;
  --accent-danger-bg: rgba(244, 63, 94, 0.12);
  --accent-danger-border: rgba(244, 63, 94, 0.25);
  --accent-danger-text: #fb7185;

  --accent-info: #6366f1;
  --accent-info-bg: rgba(99, 102, 241, 0.12);
  --accent-info-border: rgba(99, 102, 241, 0.25);
  --accent-info-text: #a5b4fc;

  /* Efeitos e Sombras */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 20px -2px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05);
  --shadow-lg: 0 12px 36px -4px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(255, 255, 255, 0.08);

  /* Dimensões */
  --sidebar-width: 260px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 9999px;
  
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 15px;
  color-scheme: dark;
}

body {
  background-color: var(--bg-canvas);
  background-image: 
    radial-gradient(circle at 8% 12%, rgba(56, 189, 248, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 90% 85%, rgba(99, 102, 241, 0.04) 0%, transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(15, 23, 42, 0.4) 0%, transparent 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Layout com Barra Lateral (Sidebar Architecture)
   ========================================================================== */
.app-layout, #app-view.app-layout {
  display: flex !important;
  min-height: 100vh;
  width: 100%;
}

#app-view.app-layout[style*="display: none"] {
  display: none !important;
}

/* Sidebar Vertical */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  height: 100vh;
  position: sticky;
  top: 0;
  left: 0;
  background: var(--bg-sidebar);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  z-index: 100;
  user-select: none;
}

.sidebar-header {
  padding: 1.25rem 1.25rem 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.sidebar-header .brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-badge {
  background: var(--brand-gradient);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.68rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.35);
}

.brand h1 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.brand h1 span.badge-version {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--accent-primary);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.02em;
}

/* Área de Navegação com Scroll */
.sidebar-nav-container {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 0.85rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
}

.sidebar-nav-container::-webkit-scrollbar {
  width: 4px;
}
.sidebar-nav-container::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

.nav-group-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0.85rem 0.6rem 0.35rem 0.6rem;
}

.nav-group-label:first-child {
  padding-top: 0.2rem;
}

/* Itens de Navegação Verticais */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.5rem;
}

.nav-tab {
  width: 100%;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-align: left;
}

.nav-tab svg {
  width: 16px;
  height: 16px;
  opacity: 0.7;
  transition: all 0.15s ease;
  pointer-events: none;
  flex-shrink: 0;
}

.nav-tab:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}
.nav-tab:hover svg {
  opacity: 1;
  color: var(--text-primary);
}

.nav-tab.active {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.14) 0%, rgba(2, 132, 199, 0.2) 100%);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(56, 189, 248, 0.15);
}
.nav-tab.active svg {
  opacity: 1;
  color: var(--accent-primary);
}

/* Rodapé da Sidebar */
.sidebar-footer {
  padding: 0.85rem 1.15rem;
  border-top: 1px solid var(--border-subtle);
  background: rgba(8, 12, 20, 0.5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex: 1;
  min-width: 0;
}

.user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.3);
}

.user-details {
  flex: 1;
  min-width: 0;
}

.user-pill {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-logout-icon {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.btn-logout-icon:hover {
  background: var(--accent-danger-bg);
  border-color: var(--accent-danger-border);
  color: var(--accent-danger-text);
}

/* ==========================================================================
   Área Principal (Main Content Canvas)
   ========================================================================== */
.main-wrapper {
  flex: 1;
  min-width: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  padding: 2.25rem 3rem;
  max-width: 1400px;
  width: 100%;
}

.view-section {
  display: none;
  animation: fadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
  gap: 1.5rem;
}

.page-header h2 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.45;
}

/* ==========================================================================
   Cards & Glassmorphism Surfaces
   ========================================================================== */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
}

.card-header h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ==========================================================================
   Aba Descoberta — Grid & Cards de Alto Padrão
   ========================================================================== */
.discovery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(460px, 1fr));
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.discovery-item {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.85rem;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.discovery-item:hover {
  background: rgba(22, 32, 50, 0.85);
  border-color: var(--border-medium);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  transform: translateY(-1px);
}

.discovery-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--brand-gradient);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.discovery-item:hover::before {
  opacity: 1;
}

.discovery-item .item-info {
  flex: 1;
  min-width: 0;
}

.discovery-item .item-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.discovery-item .item-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.45rem;
  font-family: var(--font-mono);
}

.discovery-item .item-info p strong {
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-right: 0.25rem;
}

.item-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   Status Badges com Dot Pulsante
   ========================================================================== */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  line-height: 1.2;
}

.status-badge::before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

/* Conectado / Online */
.status-badge.connected {
  background: var(--accent-success-bg);
  border-color: var(--accent-success-border);
  color: var(--accent-success-text);
}
.status-badge.connected::before {
  background: var(--accent-success);
  box-shadow: 0 0 8px var(--accent-success);
  animation: pulseDot 2s infinite ease-in-out;
}

/* Desconectado / Erro */
.status-badge.disconnected {
  background: var(--accent-danger-bg);
  border-color: var(--accent-danger-border);
  color: var(--accent-danger-text);
}
.status-badge.disconnected::before {
  background: var(--accent-danger);
  box-shadow: 0 0 6px var(--accent-danger);
}

/* Importado */
.status-badge.imported {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.25);
  color: #7dd3fc;
}
.status-badge.imported::before {
  background: var(--accent-primary);
  box-shadow: 0 0 6px var(--accent-primary);
}

/* Provável / pendente (usado no nível "Provável" e na conversão pendente) */
.status-badge.sync {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.3);
  color: #fbbf24;
}
.status-badge.sync::before {
  background: #f59e0b;
  box-shadow: 0 0 6px #f59e0b;
}

/* Badges de Confiança do Casamento */
.status-badge.conf-exato {
  background: var(--accent-success-bg);
  border-color: var(--accent-success-border);
  color: var(--accent-success-text);
}
.status-badge.conf-provavel {
  background: var(--accent-warning-bg);
  border-color: var(--accent-warning-border);
  color: var(--accent-warning-text);
}
.status-badge.conf-sem_origem {
  background: rgba(148, 163, 184, 0.12);
  border-color: rgba(148, 163, 184, 0.25);
  color: #cbd5e1;
}
.status-badge.conf-interno {
  background: rgba(100, 116, 139, 0.15);
  border-color: rgba(100, 116, 139, 0.3);
  color: #94a3b8;
}

@keyframes pulseDot {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 5px rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

/* ==========================================================================
   Botões & Microinterações
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  user-select: none;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7 0%, #0ea5e9 100%);
  border-color: rgba(56, 189, 248, 0.4);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 2px 10px rgba(2, 132, 199, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0369a1 0%, #0284c7 100%);
  border-color: #38bdf8;
  box-shadow: 0 4px 16px rgba(2, 132, 199, 0.45);
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.7);
  border-color: var(--border-subtle);
  color: var(--text-secondary);
}
.btn-secondary:hover {
  background: rgba(30, 41, 59, 0.9);
  color: var(--text-primary);
}

.btn-danger {
  background: var(--accent-danger-bg);
  border-color: var(--accent-danger-border);
  color: var(--accent-danger-text);
}
.btn-danger:hover {
  background: rgba(244, 63, 94, 0.25);
  border-color: var(--accent-danger);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.775rem;
  border-radius: var(--radius-sm);
}

.btn:disabled, .btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* ==========================================================================
   Tabelas SaaS Modernas
   ========================================================================== */
.table-container {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-top: 0.75rem;
}

table, .table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

thead th {
  background: rgba(15, 23, 42, 0.85);
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color 0.15s ease;
}

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

tbody tr:hover {
  background: rgba(255, 255, 255, 0.025);
}

tbody td {
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  color: var(--text-primary);
  vertical-align: middle;
}

td code, .mono-data {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: rgba(0, 0, 0, 0.3);
  padding: 0.2rem 0.45rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: #7dd3fc;
}

/* ==========================================================================
   KPI Cards & Métricas de Performance
   ========================================================================== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.kpi-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.kpi-card:hover {
  border-color: rgba(255, 255, 255, 0.14);
  transform: translateY(-2px);
}

.kpi-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.kpi-value {
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.kpi-value.clickable-metric {
  cursor: pointer;
  color: var(--accent-primary);
  transition: opacity 0.15s ease;
}
.kpi-value.clickable-metric:hover {
  text-decoration: underline;
  opacity: 0.9;
}

.kpi-subtext {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.35rem;
}

/* ==========================================================================
   Formulários & Controles
   ========================================================================== */
.form-group {
  margin-bottom: 1.25rem;
}

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  letter-spacing: 0.01em;
}

.form-control {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  padding: 0.6rem 0.85rem;
  transition: all 0.15s ease;
  outline: none;
}

.form-control:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
  background: rgba(22, 32, 50, 0.85);
}

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

.form-control[readonly] {
  background: rgba(0, 0, 0, 0.25);
  color: var(--text-muted);
  cursor: not-allowed;
}

select.form-control {
  cursor: pointer;
}

/* ==========================================================================
   Modais & Overlays
   ========================================================================== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: fadeInOverlay 0.18s ease;
}

/* Sem esta regra nenhuma janela abre: o JS só liga a classe .active */
.modal-overlay.active {
  display: flex;
}

@keyframes fadeInOverlay {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal,
.modal-card {
  background: #0f172a;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 1.75rem;
  position: relative;
  animation: slideUpModal 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUpModal {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  transition: color 0.15s ease;
}

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

/* ==========================================================================
   Alertas & Banners
   ========================================================================== */
.alert {
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  border: 1px solid transparent;
}

.alert-success {
  background: var(--accent-success-bg);
  border-color: var(--accent-success-border);
  color: var(--accent-success-text);
}

.alert-warning {
  background: var(--accent-warning-bg);
  border-color: var(--accent-warning-border);
  color: var(--accent-warning-text);
}

.alert-danger {
  background: var(--accent-danger-bg);
  border-color: var(--accent-danger-border);
  color: var(--accent-danger-text);
}

.empty-state {
  text-align: center;
  padding: 2.5rem 1.5rem;
  color: var(--text-muted);
}

.empty-state p {
  font-size: 0.875rem;
}

/* ==========================================================================
   Tela de Login
   ========================================================================== */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
  background: radial-gradient(circle at center, rgba(56, 189, 248, 0.08) 0%, transparent 60%), var(--bg-canvas);
}

.login-card {
  background: rgba(17, 24, 39, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-header h2 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-top: 0.75rem;
  color: var(--text-primary);
}

/* Responsividade */
@media (max-width: 1024px) {
  .app-layout {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
  }
  .sidebar-nav {
    flex-direction: row;
    overflow-x: auto;
  }
  .main-wrapper {
    height: auto;
  }
  main {
    padding: 1.5rem 1rem;
  }
  .discovery-grid {
    grid-template-columns: 1fr;
  }
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}