/**
 * Layout Base - Template Padronizado
 * Design Tech Moderno e Intuitivo
 */

/* ========== ESTRUTURA BASE ========== */
body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
  background: #f8fafc;
}

/* ========== LAYOUT PRINCIPAL ========== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ========== SIDEBAR ========== */
.sidebar {
  width: 280px;
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  color: white;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 1000;
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.12);
  transition: transform 0.3s ease;
}

.sidebar.closed {
  transform: translateX(-280px);
}

/* Sidebar Header */
.sidebar-header {
  padding: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  gap: 16px;
}

.sidebar-logo {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.sidebar-brand h1 {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
  background: linear-gradient(135deg, #fff 0%, #e2e8f0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-brand p {
  font-size: 12px;
  color: #94a3b8;
  margin: 4px 0 0 0;
}

/* Sidebar Navigation */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 16px 12px;
}

.sidebar-nav::-webkit-scrollbar {
  width: 6px;
}

.sidebar-nav::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
}

.sidebar-nav::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  margin-bottom: 4px;
  border-radius: 10px;
  color: #cbd5e1;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  position: relative;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.08);
  color: white;
  transform: translateX(4px);
}

.nav-item.active {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  background: white;
  border-radius: 0 2px 2px 0;
}

.nav-item i {
  width: 20px;
  text-align: center;
  font-size: 18px;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.user-avatar {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

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

.user-name {
  font-size: 14px;
  font-weight: 600;
  color: white;
  margin: 0 0 4px 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-email {
  font-size: 12px;
  color: #94a3b8;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-logout {
  width: 100%;
  padding: 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  color: white;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.4);
}

/* ========== MAIN CONTENT ========== */
.main-content {
  flex: 1;
  margin-left: 280px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left 0.3s ease;
}

.main-content.expanded {
  margin-left: 0;
}

/* Topbar */
.topbar {
  height: 72px;
  background: white;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-menu-toggle {
  width: 40px;
  height: 40px;
  border: none;
  background: #f1f5f9;
  border-radius: 10px;
  color: #475569;
  font-size: 18px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: none;
}

.btn-menu-toggle:hover {
  background: #e2e8f0;
  color: #1e293b;
}

.page-title-wrapper h1 {
  font-size: 24px;
  font-weight: 700;
  color: #1e293b;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-title-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
}

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

/* Content Area */
.content-wrapper {
  flex: 1;
  padding: 32px;
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
}

/* ========== PAGE HEADER ========== */
.page-header {
  margin-bottom: 32px;
}

.page-header-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.page-subtitle {
  font-size: 14px;
  color: #64748b;
  margin: 8px 0 0 0;
}

/* ========== STATS CARDS ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: white;
  border-radius: 16px;
  padding: 24px;
  border: 1px solid #e2e8f0;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #6366f1 0%, #8b5cf6 100%);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
  border-color: #cbd5e1;
}

.stat-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.stat-icon.primary {
  background: linear-gradient(135deg, #ede9fe 0%, #ddd6fe 100%);
  color: #7c3aed;
}

.stat-icon.success {
  background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
  color: #16a34a;
}

.stat-icon.warning {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  color: #d97706;
}

.stat-icon.danger {
  background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
  color: #dc2626;
}

.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: #1e293b;
  margin: 0 0 8px 0;
}

.stat-label {
  font-size: 14px;
  color: #64748b;
  font-weight: 500;
  margin: 0;
}

.stat-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 6px;
  margin-top: 12px;
}

.stat-trend.up {
  background: #dcfce7;
  color: #16a34a;
}

.stat-trend.down {
  background: #fee2e2;
  color: #dc2626;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-280px);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .btn-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .topbar {
    padding: 0 16px;
  }
  
  .content-wrapper {
    padding: 20px 16px;
  }
  
  .page-title-wrapper h1 {
    font-size: 20px;
  }
  
  .page-title-icon {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== MOBILE OVERLAY ========== */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  backdrop-filter: blur(4px);
}

.sidebar-overlay.show {
  display: block;
}

@media (max-width: 1024px) {
  .sidebar {
    z-index: 1001;
  }
}