/* ========================================
   Sistema Amostras - Tema Principal
   ======================================== */

:root {
  /* Cores principais */
  --primary: #4361ee;
  --primary-dark: #3a56d4;
  --secondary: #6c757d;
  --success: #2ec4b6;
  --danger: #e63946;
  --warning: #f9c74f;
  --info: #4cc9f0;
  
  /* Cores de fundo */
  --bg-light: #f8f9fa;
  --bg-dark: #212529;
  --bg-card: #ffffff;
  
  /* Texto */
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --text-muted: #adb5bd;
  
  /* Sombras */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
  
  /* Bordas */
  --border-radius: 8px;
  --border-color: #e9ecef;
}

/* ========================================
   Reset e Base
   ======================================== */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-light);
  color: var(--text-primary);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--primary-dark);
}

/* ========================================
   Navbar
   ======================================== */
.navbar-custom {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  box-shadow: var(--shadow);
  padding: 0.75rem 1rem;
}

.navbar-custom .navbar-brand {
  font-weight: 700;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-custom .nav-link {
  color: rgba(255,255,255,0.85) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  border-radius: var(--border-radius);
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-custom .nav-link:hover,
.navbar-custom .nav-link.active {
  color: #fff !important;
  background: rgba(255,255,255,0.15);
}

.navbar-custom .nav-link i {
  font-size: 1.1rem;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255,255,255,0.9);
}

.user-avatar {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

/* ========================================
   Cards
   ======================================== */
.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.card-dashboard {
  border-left: 4px solid var(--primary);
}

.card-dashboard.card-success { border-left-color: var(--success); }
.card-dashboard.card-warning { border-left-color: var(--warning); }
.card-dashboard.card-info { border-left-color: var(--info); }
.card-dashboard.card-danger { border-left-color: var(--danger); }

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.card-icon.bg-primary-soft { background: rgba(67, 97, 238, 0.1); color: var(--primary); }
.card-icon.bg-success-soft { background: rgba(46, 196, 182, 0.1); color: var(--success); }
.card-icon.bg-warning-soft { background: rgba(249, 199, 79, 0.1); color: var(--warning); }
.card-icon.bg-info-soft { background: rgba(76, 201, 240, 0.1); color: var(--info); }
.card-icon.bg-danger-soft { background: rgba(230, 57, 70, 0.1); color: var(--danger); }

/* ========================================
   Tabelas
   ======================================== */
.table-container {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.table-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.table-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.table-search {
  position: relative;
  max-width: 300px;
}

.table-search input {
  padding-left: 2.5rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

.table-search i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.table {
  margin-bottom: 0;
}

.table thead th {
  background: var(--bg-light);
  border-bottom: 2px solid var(--border-color);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  padding: 1rem;
}

.table tbody tr {
  transition: background 0.2s;
}

.table tbody tr:hover {
  background: rgba(67, 97, 238, 0.03);
}

.table tbody td {
  padding: 1rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--border-color);
}

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

/* ========================================
   Botões
   ======================================== */
.btn {
  border-radius: var(--border-radius);
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-success {
  background: var(--success);
  border-color: var(--success);
}

.btn-success:hover {
  background: #28b3a6;
  border-color: #28b3a6;
}

.btn-danger {
  background: var(--danger);
  border-color: var(--danger);
}

.btn-danger:hover {
  background: #d32f3d;
  border-color: #d32f3d;
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.2);
  color: #fff;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-group-actions .btn {
  padding: 0.375rem 0.75rem;
}

/* ========================================
   Formulários
   ======================================== */
.form-control, .form-select {
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  padding: 0.625rem 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15);
}

.form-label {
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.form-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
}

/* ========================================
   Badges
   ======================================== */
.badge {
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: 20px;
}

.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.badge-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ========================================
   Page Header
   ======================================== */
.page-header {
  margin-bottom: 1.5rem;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.page-title i {
  color: var(--primary);
}

.breadcrumb-custom {
  background: transparent;
  padding: 0;
  margin: 0.5rem 0 0 0;
}

.breadcrumb-custom .breadcrumb-item {
  font-size: 0.875rem;
}

.breadcrumb-custom .breadcrumb-item a {
  color: var(--text-secondary);
}

.breadcrumb-custom .breadcrumb-item.active {
  color: var(--text-muted);
}

/* ========================================
   Toast Notifications
   ======================================== */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 9999;
}

.toast {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
}

.toast-success {
  background: var(--success);
  color: #fff;
}

.toast-error {
  background: var(--danger);
  color: #fff;
}

.toast-warning {
  background: var(--warning);
  color: var(--text-primary);
}

.toast-info {
  background: var(--info);
  color: #fff;
}

/* ========================================
   Modal Customizado
   ======================================== */
.modal-content {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
}

.modal-header {
  border-bottom: 1px solid var(--border-color);
  padding: 1.25rem 1.5rem;
}

.modal-title {
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  border-top: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
}

.modal-confirm-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1rem;
}

.modal-confirm-icon.danger {
  background: rgba(230, 57, 70, 0.1);
  color: var(--danger);
}

.modal-confirm-icon.warning {
  background: rgba(249, 199, 79, 0.2);
  color: var(--warning);
}

/* ========================================
   Login Page
   ======================================== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, #667eea 100%);
  padding: 2rem;
}

.login-card {
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
  overflow: hidden;
}

.login-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 2rem;
  text-align: center;
}

.login-logo {
  width: 64px;
  height: 64px;
  background: rgba(255,255,255,0.2);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 2rem;
}

.login-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
}

.login-subtitle {
  opacity: 0.8;
  margin: 0.5rem 0 0;
}

.login-body {
  padding: 2rem;
}

.login-body .form-control {
  padding: 0.875rem 1rem;
  font-size: 1rem;
}

.login-body .btn {
  padding: 0.875rem;
  font-size: 1rem;
}

.input-group-text {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

/* ========================================
   Animações
   ======================================== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.fade-in {
  animation: fadeIn 0.3s ease-out;
}

.slide-in {
  animation: slideIn 0.3s ease-out;
}

/* ========================================
   Responsivo
   ======================================== */
@media (max-width: 768px) {
  .table-header {
    flex-direction: column;
    align-items: stretch;
  }
  
  .table-search {
    max-width: 100%;
  }
  
  .page-title {
    font-size: 1.25rem;
  }
  
  .btn-group-actions {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }
}

/* ========================================
   Utilitários
   ======================================== */
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-info { color: var(--info) !important; }

.bg-primary-soft { background: rgba(67, 97, 238, 0.1) !important; }
.bg-success-soft { background: rgba(46, 196, 182, 0.1) !important; }
.bg-danger-soft { background: rgba(230, 57, 70, 0.1) !important; }
.bg-warning-soft { background: rgba(249, 199, 79, 0.1) !important; }
.bg-info-soft { background: rgba(76, 201, 240, 0.1) !important; }

.gap-1 { gap: 0.25rem !important; }
.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }