/* Infinity Market - Sistema de Cotação - Design Moderno e Limpo */

:root {
  /* Paleta de cores azuis moderna */
  --primary: #2563eb;
  --primary-light: #3b82f6;
  --primary-lighter: #60a5fa;
  --primary-dark: #1d4ed8;
  --primary-darker: #1e40af;

  /* Cores complementares */
  --secondary: #64748b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #06b6d4;

  /* Tons de cinza */
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* Sombras */
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Bordas */
  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;

  /* Transições */
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset e base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
  color: var(--gray-800);
  line-height: 1.6;
  min-height: 100vh;
  font-size: 14px;
}

/* Navegação moderna */
.navbar {
  background: var(--white) !important;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  padding: 0.75rem 0;
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: white;
  box-shadow: var(--shadow-sm);
}

.brand-text {
  font-weight: 700;
  font-size: 1.375rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-link {
  font-weight: 500;
  color: var(--gray-600) !important;
  transition: var(--transition);
  border-radius: var(--radius);
  padding: 0.625rem 1rem !important;
  margin: 0 0.125rem;
  position: relative;
}

.nav-link:hover {
  color: var(--primary) !important;
  background: var(--gray-50);
  transform: translateY(-1px);
}

.nav-link.active {
  color: var(--primary) !important;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  background-size: 100% 2px;
  background-repeat: no-repeat;
  background-position: bottom;
  font-weight: 600;
}

/* Cabeçalho da página */
.page-header {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 50%, var(--primary-lighter) 100%);
}

.page-header h1 {
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--gray-600);
  font-size: 1rem;
}

/* Cards de estatísticas modernos */
.stat-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-lighter);
}

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
}

.stat-content {
  flex: 1;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  margin: 0;
  color: var(--gray-800);
  line-height: 1;
}

.stat-label {
  color: var(--gray-600);
  margin: 0.25rem 0 0 0;
  font-size: 0.875rem;
  font-weight: 500;
}

/* Barra de filtros moderna */
.filter-bar {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
}

.search-box {
  position: relative;
}

.search-box i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  z-index: 10;
  font-size: 1rem;
}

.search-box .form-control {
  padding-left: 2.75rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  transition: var(--transition);
}

.search-box .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

/* Cards de marketplace modernos */
.marketplace-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.marketplace-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-lighter);
}

.marketplace-card.expiring-soon {
  border-color: var(--warning);
  box-shadow: 0 0 0 1px var(--warning);
}

.marketplace-card-header {
  padding: 1.25rem;
  border-bottom: 1px solid var(--gray-200);
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
}

.status-badge {
  font-weight: 600;
  font-size: 0.75rem;
  padding: 0.375rem 0.875rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.proposal-count {
  background: var(--primary);
  color: white;
  padding: 0.375rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.expiring-badge {
  background: var(--warning);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 0.5rem;
}

.marketplace-card-body {
  padding: 1.25rem;
  flex: 1;
}

.marketplace-card-title {
  margin: 0 0 0.875rem 0;
  font-weight: 700;
  color: var(--gray-800);
  font-size: 1.125rem;
  line-height: 1.4;
}

.marketplace-card-description {
  margin: 0 0 1.25rem 0;
  color: var(--gray-600);
  line-height: 1.6;
  font-size: 0.875rem;
}

.marketplace-card-details {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.detail-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: var(--gray-600);
}

.detail-item i {
  width: 16px;
  text-align: center;
}

.marketplace-card-footer {
  padding: 1.25rem;
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
}

.action-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

/* Cards de propostas modernos */
.proposal-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.proposal-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-lighter);
}

.proposal-card-header {
  padding: 1.25rem;
  border-bottom: 1px solid var(--gray-200);
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
}

.company-name {
  margin: 0;
  font-weight: 700;
  color: var(--gray-800);
  font-size: 1rem;
}

.proposal-value {
  text-align: right;
}

.value-label {
  display: block;
  font-size: 0.75rem;
  color: var(--gray-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.value-amount {
  display: block;
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--success);
  line-height: 1;
}

.proposal-card-body {
  padding: 1.25rem;
  flex: 1;
}

.announcement-title {
  margin: 0 0 0.5rem 0;
  font-weight: 600;
  color: var(--primary);
  font-size: 0.875rem;
}

.proposal-description {
  margin-bottom: 1.25rem;
  color: var(--gray-700);
  line-height: 1.6;
}

.proposal-details {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

.detail-label {
  color: var(--gray-500);
  font-weight: 500;
}

.detail-value {
  font-weight: 600;
  color: var(--gray-800);
}

.proposal-card-footer {
  padding: 1.25rem;
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
}

/* Visualizador de certificados */
.certificate-viewer {
  max-height: 70vh;
  overflow-y: auto;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.certificate-content {
  font-family: "Georgia", serif;
  line-height: 1.8;
  color: var(--gray-800);
}

.certificate-content pre {
  white-space: pre-wrap;
  font-family: "Georgia", serif;
  line-height: 1.8;
  margin: 0;
  color: var(--gray-800);
}

/* Cards gerais */
.card {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  background: var(--white);
  margin-bottom: 2rem;
  overflow: hidden;
}

.card-header {
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
  border-bottom: 1px solid var(--gray-200);
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  color: var(--gray-800);
}

.card-body {
  padding: 1.5rem;
}

/* Tabelas modernas */
.table {
  margin: 0;
  font-size: 0.875rem;
}

.table th {
  border-top: none;
  border-bottom: 2px solid var(--gray-200);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  color: var(--gray-600);
  padding: 1.25rem 1rem;
  background: var(--gray-50);
}

.table td {
  border-top: 1px solid var(--gray-200);
  padding: 1.25rem 1rem;
  vertical-align: middle;
  color: var(--gray-700);
}

.table-hover tbody tr:hover {
  background: var(--gray-50);
}

/* Botões modernos */
.btn {
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: var(--transition);
  border-width: 1px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  padding: 0.625rem 1.25rem;
}

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

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-color: var(--primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  border-color: var(--primary-dark);
  color: white;
}

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

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

.btn-success {
  background: linear-gradient(135deg, var(--success) 0%, #34d399 100%);
  border-color: var(--success);
  color: white;
}

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

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

.btn-warning {
  background: linear-gradient(135deg, var(--warning) 0%, #fbbf24 100%);
  border-color: var(--warning);
  color: white;
}

.btn-outline-warning {
  color: var(--warning);
  border-color: var(--warning);
}

.btn-outline-warning:hover {
  background: var(--warning);
  border-color: var(--warning);
  color: white;
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger) 0%, #f87171 100%);
  border-color: var(--danger);
  color: white;
}

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

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

.btn-info {
  background: linear-gradient(135deg, var(--info) 0%, #22d3ee 100%);
  border-color: var(--info);
  color: white;
}

.btn-outline-info {
  color: var(--info);
  border-color: var(--info);
}

.btn-outline-info:hover {
  background: var(--info);
  border-color: var(--info);
  color: white;
}

.btn-outline-secondary {
  color: var(--gray-600);
  border-color: var(--gray-300);
}

.btn-outline-secondary:hover {
  background: var(--gray-600);
  border-color: var(--gray-600);
  color: white;
}

.btn-group-sm > .btn {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  border-radius: var(--radius);
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

/* Formulários modernos */
.form-control,
.form-select {
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  transition: var(--transition);
  font-size: 0.875rem;
  background: var(--white);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
  outline: none;
}

.form-label {
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.invalid-feedback {
  display: block;
  width: 100%;
  margin-top: 0.375rem;
  font-size: 0.8125rem;
  color: var(--danger);
  font-weight: 500;
}

.is-invalid {
  border-color: var(--danger);
}

.is-valid {
  border-color: var(--success);
}

/* Badges modernos */
.badge {
  font-weight: 600;
  font-size: 0.75rem;
  padding: 0.375rem 0.875rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.bg-success {
  background: linear-gradient(135deg, var(--success) 0%, #34d399 100%) !important;
}

.bg-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%) !important;
}

.bg-warning {
  background: linear-gradient(135deg, var(--warning) 0%, #fbbf24 100%) !important;
}

.bg-danger {
  background: linear-gradient(135deg, var(--danger) 0%, #f87171 100%) !important;
}

.bg-info {
  background: linear-gradient(135deg, var(--info) 0%, #22d3ee 100%) !important;
}

.bg-secondary {
  background: linear-gradient(135deg, var(--gray-500) 0%, var(--gray-400) 100%) !important;
}

/* Modais modernos */
.modal-content {
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.modal-header {
  border-bottom: 1px solid var(--gray-200);
  padding: 1.5rem 2rem;
  background: var(--white);
}

.modal-header.bg-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%) !important;
  color: white;
}

.modal-header.bg-danger {
  background: linear-gradient(135deg, var(--danger) 0%, #f87171 100%) !important;
  color: white;
}

.modal-header.bg-info {
  background: linear-gradient(135deg, var(--info) 0%, #22d3ee 100%) !important;
  color: white;
}

.modal-header.bg-success {
  background: linear-gradient(135deg, var(--success) 0%, #34d399 100%) !important;
  color: white;
}

.modal-body {
  padding: 2rem;
}

.modal-footer {
  border-top: 1px solid var(--gray-200);
  padding: 1.25rem 2rem;
  background: var(--gray-50);
}

.modal-title {
  font-weight: 700;
  font-size: 1.25rem;
}

/* Alertas modernos */
.alert {
  border: none;
  border-radius: var(--radius-lg);
  border-left: 4px solid;
  padding: 1.25rem 1.5rem;
  font-weight: 500;
}

.alert-info {
  background: linear-gradient(135deg, rgb(6 182 212 / 0.1) 0%, rgb(6 182 212 / 0.05) 100%);
  border-left-color: var(--info);
  color: var(--info);
}

.alert-success {
  background: linear-gradient(135deg, rgb(16 185 129 / 0.1) 0%, rgb(16 185 129 / 0.05) 100%);
  border-left-color: var(--success);
  color: var(--success);
}

.alert-warning {
  background: linear-gradient(135deg, rgb(245 158 11 / 0.1) 0%, rgb(245 158 11 / 0.05) 100%);
  border-left-color: var(--warning);
  color: var(--warning);
}

.alert-danger {
  background: linear-gradient(135deg, rgb(239 68 68 / 0.1) 0%, rgb(239 68 68 / 0.05) 100%);
  border-left-color: var(--danger);
  color: var(--danger);
}

/* Alerta flutuante */
.alert-floating {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  min-width: 350px;
  box-shadow: var(--shadow-xl);
  animation: slideInRight 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: var(--radius-lg);
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Spinners */
.spinner-border {
  width: 2.5rem;
  height: 2.5rem;
  border-width: 3px;
}

.spinner-border-sm {
  width: 1.25rem;
  height: 1.25rem;
  border-width: 2px;
}

/* Dropdown moderno */
.dropdown-menu {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 0.75rem;
  background: var(--white);
}

.dropdown-item {
  border-radius: var(--radius);
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  transition: var(--transition);
  color: var(--gray-700);
  font-weight: 500;
}

.dropdown-item:hover {
  background: var(--gray-50);
  color: var(--primary);
}

.dropdown-divider {
  margin: 0.75rem 0;
  border-color: var(--gray-200);
}

/* Avatares */
.company-avatar,
.employee-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: white;
  flex-shrink: 0;
}

.company-avatar {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}

.employee-avatar {
  background: linear-gradient(135deg, var(--success) 0%, #34d399 100%);
}

/* Hero section */
.hero-section {
  background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 50%, var(--primary-lighter) 100%);
}

/* Quick actions */
.quick-action-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.quick-action-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-lighter);
}

.quick-action-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: white;
  flex-shrink: 0;
}

.quick-action-content h6 {
  margin: 0 0 0.25rem 0;
  font-weight: 600;
  color: var(--gray-800);
}

.quick-action-content p {
  margin: 0;
  color: var(--gray-600);
  font-size: 0.875rem;
}

/* Activity items */
.activity-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--gray-200);
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: white;
  flex-shrink: 0;
}

.activity-content {
  flex: 1;
}

.activity-title {
  margin: 0 0 0.25rem 0;
  font-weight: 600;
  color: var(--gray-800);
  font-size: 0.875rem;
}

.activity-meta {
  margin: 0 0 0.25rem 0;
  color: var(--gray-600);
  font-size: 0.8125rem;
}

/* Featured announcements */
.featured-announcement-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: var(--transition);
  cursor: pointer;
  height: 100%;
}

.featured-announcement-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-lighter);
}

.featured-announcement-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.featured-announcement-title {
  margin: 0 0 0.75rem 0;
  font-weight: 600;
  color: var(--gray-800);
  font-size: 1rem;
  line-height: 1.4;
}

.featured-announcement-description {
  margin: 0 0 1rem 0;
  color: var(--gray-600);
  font-size: 0.875rem;
  line-height: 1.5;
}

.featured-announcement-footer {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Design responsivo */
@media (max-width: 768px) {
  .container-fluid {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .page-header {
    padding: 1.5rem;
  }

  .stat-card {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .marketplace-card-footer .action-buttons {
    flex-direction: column;
    gap: 0.75rem;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn-group .btn {
    border-radius: var(--radius-md) !important;
    margin-bottom: 2px;
  }

  .table-responsive {
    font-size: 0.8125rem;
  }

  .modal-dialog {
    margin: 0.5rem;
  }

  .filter-bar .row {
    gap: 1rem;
  }

  .certificate-content {
    padding: 1rem;
  }

  .alert-floating {
    min-width: 300px;
    right: 10px;
    left: 10px;
  }

  .brand-text {
    font-size: 1.125rem;
  }

  .nav-link {
    padding: 0.5rem 0.75rem !important;
  }
}

/* Estilos de impressão */
@media print {
  .navbar,
  .btn,
  .modal-footer,
  .action-buttons,
  .filter-bar {
    display: none !important;
  }

  .container-fluid {
    max-width: none !important;
    padding: 0 !important;
  }

  .card {
    border: 1px solid #000 !important;
    box-shadow: none !important;
  }

  body {
    background: white !important;
  }

  .certificate-content {
    border: none !important;
    box-shadow: none !important;
  }
}

/* Animações */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card,
.marketplace-card,
.proposal-card,
.stat-card {
  animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

::-webkit-scrollbar-track {
  background: var(--gray-100);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}

/* Estados de foco melhorados */
.btn:focus,
.form-control:focus,
.form-select:focus {
  outline: none;
}

.btn:focus-visible {
  box-shadow: 0 0 0 3px rgb(37 99 235 / 0.2);
}

/* Classes utilitárias */
.text-primary {
  color: var(--primary) !important;
}

.text-success {
  color: var(--success) !important;
}

.text-warning {
  color: var(--warning) !important;
}

.text-danger {
  color: var(--danger) !important;
}

.text-info {
  color: var(--info) !important;
}

.shadow-sm {
  box-shadow: var(--shadow-sm) !important;
}

.shadow {
  box-shadow: var(--shadow-md) !important;
}

.shadow-lg {
  box-shadow: var(--shadow-lg) !important;
}

/* Navegação fixa */
.sticky-top {
  position: sticky;
  top: 0;
  z-index: 1020;
}

/* Gradientes para ícones de status */
.bg-gradient-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%) !important;
}

.bg-gradient-success {
  background: linear-gradient(135deg, var(--success) 0%, #34d399 100%) !important;
}

.bg-gradient-warning {
  background: linear-gradient(135deg, var(--warning) 0%, #fbbf24 100%) !important;
}

.bg-gradient-danger {
  background: linear-gradient(135deg, var(--danger) 0%, #f87171 100%) !important;
}

.bg-gradient-info {
  background: linear-gradient(135deg, var(--info) 0%, #22d3ee 100%) !important;
}

/* Melhorias de acessibilidade */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Estados de loading melhorados */
.loading-skeleton {
  background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}