/* Base Reset & Variables */
:root {
  /* Font Families */
  --font-header: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Theme: Dark Mode (Default) */
  --bg-app: #090d16;
  --bg-sidebar: rgba(13, 20, 35, 0.7);
  --bg-card: rgba(20, 30, 54, 0.45);
  --bg-card-hover: rgba(28, 41, 74, 0.6);
  --bg-input: rgba(15, 25, 46, 0.8);
  --bg-table-header: rgba(16, 28, 54, 0.8);
  --bg-table-row-odd: rgba(15, 25, 46, 0.2);
  --bg-table-row-even: rgba(22, 36, 67, 0.3);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-focus: rgba(99, 102, 241, 0.4);
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-inverse: #111827;

  /* Colors */
  --color-primary: #6366f1; /* Indigo */
  --color-primary-glow: rgba(99, 102, 241, 0.15);
  --color-secondary: #0ea5e9; /* Light Blue */
  --color-success: #10b981; /* Emerald Green */
  --color-warning: #f59e0b; /* Amber */
  --color-danger: #ef4444; /* Rose Red */
  --color-purple: #8b5cf6; /* Violet */

  /* Shadows & Glassmorphism */
  --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --glass-blur: blur(12px);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme overrides */
.light-theme {
  --bg-app: #f4f6f9;
  --bg-sidebar: rgba(255, 255, 255, 0.8);
  --bg-card: rgba(255, 255, 255, 0.7);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --bg-input: rgba(243, 244, 246, 0.9);
  --bg-table-header: rgba(229, 231, 235, 0.9);
  --bg-table-row-odd: rgba(255, 255, 255, 0.4);
  --bg-table-row-even: rgba(243, 244, 246, 0.5);

  --border-color: rgba(0, 0, 0, 0.06);
  --border-color-focus: rgba(99, 102, 241, 0.6);

  --text-main: #1f2937;
  --text-muted: #6b7280;
  --text-inverse: #ffffff;

  --color-primary-glow: rgba(99, 102, 241, 0.08);
  --card-shadow: 0 8px 24px 0 rgba(149, 157, 165, 0.15);
}

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

body {
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  height: 100vh;
  transition: background-color 0.5s ease, color 0.3s ease;
}

/* Main Layout Structure */
.app-container {
  display: flex;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

/* Sidebar Styling */
.sidebar {
  width: 260px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  backdrop-filter: var(--glass-blur);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  flex-shrink: 0;
  z-index: 10;
  transition: var(--transition-smooth);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 8px 32px 8px;
  border-bottom: 1px solid var(--border-color);
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.brand-text h1 {
  font-family: var(--font-header);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
}

.brand-text span {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 500;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 24px;
  flex-grow: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: none;
  border: none;
  border-radius: 10px;
  color: var(--text-muted);
  font-family: var(--font-header);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: var(--transition-smooth);
  width: 100%;
  position: relative;
}

.nav-badge {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 0.725rem;
  font-weight: 600;
  margin-left: auto;
  transition: var(--transition-smooth);
}

.nav-item.active .nav-badge {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
}

.nav-item:hover {
  background-color: var(--border-color);
  color: var(--text-main);
  transform: translateX(4px);
}

.nav-item.active {
  background-color: var(--color-primary);
  color: white;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.nav-item i {
  font-size: 1.1rem;
  width: 20px;
}

.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Switch UI */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 22px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #cbd5e1;
  transition: .4s;
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--color-primary);
}

input:checked + .slider:before {
  transform: translateX(22px);
}

.version {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Main Content Styling */
.main-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 100%;
}

/* Top Header Bar */
.top-bar {
  height: 75px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  background-color: var(--bg-sidebar);
  backdrop-filter: var(--glass-blur);
  flex-shrink: 0;
}

.header-title h2 {
  font-family: var(--font-header);
  font-size: 1.5rem;
  font-weight: 700;
}

.header-title p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.sync-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-dot.green {
  background-color: var(--color-success);
  box-shadow: 0 0 8px var(--color-success);
}

.status-dot.red {
  background-color: var(--color-danger);
  box-shadow: 0 0 8px var(--color-danger);
}

.status-dot.orange {
  background-color: var(--color-warning);
  box-shadow: 0 0 8px var(--color-warning);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.5; }
  50% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.5; }
}

/* Buttons */
.btn-primary, .btn-secondary {
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-family: var(--font-header);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-smooth);
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.btn-primary:hover {
  background-color: #4f46e5;
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--text-muted);
}

.btn-primary:active, .btn-secondary:active {
  transform: translateY(1px);
}

/* Content Area */
.content-body {
  flex-grow: 1;
  padding: 32px;
  overflow-y: auto;
  position: relative;
}

/* Loading Overlay */
.overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease;
}

.light-theme .overlay {
  background-color: rgba(244, 246, 249, 0.85);
}

.overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.spinner-container {
  text-align: center;
  color: var(--text-main);
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Tab Views */
.tab-view {
  display: none;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.tab-view.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
  transition: var(--transition-smooth);
}

.stat-card:hover {
  transform: translateY(-4px);
  background-color: var(--bg-card-hover);
  border-color: var(--border-color-focus);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.card-icon.blue { background-color: rgba(99, 102, 241, 0.12); color: var(--color-primary); }
.card-icon.green { background-color: rgba(16, 185, 129, 0.12); color: var(--color-success); }
.card-icon.orange { background-color: rgba(245, 158, 11, 0.12); color: var(--color-warning); }
.card-icon.purple { background-color: rgba(139, 92, 246, 0.12); color: var(--color-purple); }

.card-info h3 {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.card-info h2 {
  font-family: var(--font-header);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.trend {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Charts Layout */
.charts-row {
  display: flex;
  gap: 24px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.flex-1 { flex: 1 1 300px; }
.flex-2 { flex: 2 1 500px; }

.chart-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--card-shadow);
  backdrop-filter: var(--glass-blur);
  display: flex;
  flex-direction: column;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.chart-header h3 {
  font-family: var(--font-header);
  font-size: 1.1rem;
  font-weight: 600;
}

.chart-container {
  position: relative;
  flex-grow: 1;
  min-height: 250px;
  max-height: 380px;
  width: 100%;
}

.badge {
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  background-color: var(--color-danger);
  color: white;
}

/* Data Tables Controls & Filters */
.table-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  gap: 16px;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1 1 300px;
  max-width: 450px;
}

.search-box i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.search-box input {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px 10px 40px;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition-smooth);
}

.search-box input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.filter-group {
  display: flex;
  gap: 12px;
  align-items: center;
}

.filter-group select {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-group select:focus {
  border-color: var(--color-primary);
}

/* Tables Styling */
.table-container {
  width: 100%;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: auto;
  box-shadow: var(--card-shadow);
  max-height: calc(100vh - 290px);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

thead th {
  background-color: var(--bg-table-header);
  padding: 14px 18px;
  font-family: var(--font-header);
  font-weight: 600;
  color: var(--text-main);
  position: sticky;
  top: 0;
  z-index: 1;
  border-bottom: 1px solid var(--border-color);
}

tbody tr {
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.2s ease;
}

tbody tr:nth-child(odd) {
  background-color: var(--bg-table-row-odd);
}

tbody tr:nth-child(even) {
  background-color: var(--bg-table-row-even);
}

tbody tr:hover {
  background-color: var(--bg-card-hover);
}

td {
  padding: 12px 18px;
  color: var(--text-main);
  white-space: nowrap;
  max-width: 250px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Status Badges in Tables */
.badge-status {
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-block;
  text-align: center;
}

.badge-status.entregue, .badge-status.recebido {
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--color-success);
}

.badge-status.pendente, .badge-status.aguardando {
  background-color: rgba(245, 158, 11, 0.15);
  color: var(--color-warning);
}

.badge-status.cancelado, .badge-status.devolvido {
  background-color: rgba(239, 68, 68, 0.15);
  color: var(--color-danger);
}

.badge-status.outros {
  background-color: rgba(99, 102, 241, 0.15);
  color: var(--color-primary);
}

/* Pagination */
.table-pagination {
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.pagination-buttons {
  display: flex;
  gap: 6px;
}

.btn-page {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

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

.btn-page.active {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  font-weight: bold;
}

.btn-page.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-app);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Responsive Rules */
@media (max-width: 1024px) {
  .app-container {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding: 16px 24px;
  }

  .brand {
    padding-bottom: 16px;
  }

  .nav-menu {
    flex-direction: row;
    flex-wrap: wrap;
    margin-top: 16px;
    gap: 8px;
  }

  .nav-item {
    width: auto;
    padding: 10px 14px;
  }
  
  .sidebar-footer {
    display: none; /* Hide footer elements on tablet/mobile sidebar */
  }

  .main-content {
    height: calc(100vh - 180px);
  }
  
  .table-container {
    max-height: none;
  }
}

@media (max-width: 640px) {
  .top-bar {
    padding: 0 16px;
    height: auto;
    flex-direction: column;
    align-items: flex-start;
    padding-top: 12px;
    padding-bottom: 12px;
    gap: 12px;
  }
  
  .content-body {
    padding: 16px;
  }
  
  .table-controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .search-box {
    max-width: 100%;
  }

  .filter-group {
    justify-content: space-between;
  }
}