/* Tema: visual moderno e profissional — mantém usabilidade */
:root {
  --app-primary: #0d9488;
  --app-primary-dark: #0f766e;
  --app-primary-light: #14b8a6;
  --app-surface: #ffffff;
  --app-bg: #f1f5f9;
  --app-bg-subtle: #e2e8f0;
  --app-text: #1e293b;
  --app-text-muted: #64748b;
  --app-border: #e2e8f0;
  --app-radius: 0.5rem;
  --app-radius-lg: 0.75rem;
  --app-shadow: 0 1px 3px rgba(0,0,0,.06);
  --app-shadow-md: 0 4px 12px rgba(0,0,0,.08);
  --app-shadow-lg: 0 10px 40px rgba(0,0,0,.08);
  --app-nav-height: 3.5rem;
}

* { box-sizing: border-box; }

html {
  overflow-x: hidden;
}

body {
  background: var(--app-bg);
  color: var(--app-text);
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.9375rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Navbar */
.app-navbar {
  background: linear-gradient(135deg, var(--app-primary-dark) 0%, var(--app-primary) 100%) !important;
  box-shadow: var(--app-shadow-md);
  min-height: var(--app-nav-height);
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
  flex-wrap: nowrap;
}

.app-navbar .container-fluid {
  flex-wrap: nowrap;
  min-width: 0;
}

.app-navbar .navbar-collapse {
  min-width: 0;
}

.app-navbar .navbar-nav .nav-link span.company-name {
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: inline-block;
  vertical-align: bottom;
}

.app-navbar .navbar-brand {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.app-navbar .nav-link {
  display: inline-flex;
  align-items: center;
  font-weight: 500;
  border-radius: var(--app-radius);
  padding: 0.5rem 0.75rem !important;
  transition: background .15s, color .15s;
  white-space: nowrap;
}

.app-navbar .nav-link:hover {
  background: rgba(255,255,255,.15);
}

.app-navbar .nav-link .bi {
  margin-right: 0.4rem;
  opacity: .95;
  flex-shrink: 0;
}

.app-navbar .dropdown-menu {
  border: none;
  box-shadow: var(--app-shadow-lg);
  border-radius: var(--app-radius);
  padding: 0.25rem;
}

.app-navbar .dropdown-item {
  border-radius: 0.35rem;
  font-weight: 500;
}

.app-navbar .dropdown-item:hover {
  background: var(--app-bg);
  color: var(--app-primary);
}

.app-navbar .btn-link.nav-link {
  color: rgba(255,255,255,.9) !important;
}

/* Main content */
.app-main {
  padding-top: 1.5rem;
  padding-bottom: 2rem;
}

.app-container {
  max-width: 1400px;
  margin: 0 auto;
}

/* Page header */
.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-header h1 {
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--app-text);
  margin: 0;
}

/* Cards */
.app-card {
  background: var(--app-surface);
  border: none;
  border-radius: var(--app-radius-lg);
  box-shadow: var(--app-shadow);
  overflow: hidden;
  transition: box-shadow .2s;
}

.app-card:hover {
  box-shadow: var(--app-shadow-md);
}

.app-card .card-body {
  padding: 1.25rem 1.5rem;
}

.app-card .card-header {
  background: var(--app-bg-subtle);
  border-bottom: 1px solid var(--app-border);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
}

.app-card .card-footer {
  background: var(--app-surface);
  border-top: 1px solid var(--app-border);
  padding: 0.75rem 1.5rem;
}

/* Stats cards (dashboard) */
.stat-card {
  background: var(--app-surface);
  border: none;
  border-radius: var(--app-radius-lg);
  box-shadow: var(--app-shadow);
  height: 100%;
  overflow: hidden;
  transition: transform .15s, box-shadow .2s;
}

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

.stat-card .card-body {
  padding: 1.25rem 1.5rem;
}

.stat-card .stat-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--app-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.stat-card .stat-icon.primary { background: rgba(13, 148, 136, .12); color: var(--app-primary); }
.stat-card .stat-icon.success { background: rgba(34, 197, 94, .12); color: #16a34a; }
.stat-card .stat-icon.warning { background: rgba(245, 158, 11, .12); color: #d97706; }
.stat-card .stat-icon.info { background: rgba(59, 130, 246, .12); color: #2563eb; }

.stat-card .stat-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--app-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.25rem;
}

.stat-card .stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--app-text);
}

/* Tables */
.app-card .table {
  margin: 0;
  color: var(--app-text);
}

.app-card .table thead th {
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--app-text-muted);
  background: var(--app-bg-subtle);
  border-bottom: 1px solid var(--app-border);
  padding: 0.875rem 1rem;
  white-space: nowrap;
}

.app-card .table tbody td {
  padding: 0.875rem 1rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--app-border);
}

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

.app-card .table tbody tr:hover {
  background: rgba(13, 148, 136, .04);
}

.app-card .table-responsive {
  border-radius: 0 0 var(--app-radius-lg) var(--app-radius-lg);
}

/* Buttons */
.btn {
  font-weight: 600;
  border-radius: var(--app-radius);
  padding: 0.5rem 1rem;
  transition: all .15s;
}

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

.btn-primary:hover {
  background: var(--app-primary-dark);
  border-color: var(--app-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(13, 148, 136, .35);
}

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

.btn-outline-primary:hover {
  background: rgba(13, 148, 136, .08);
  color: var(--app-primary-dark);
  border-color: var(--app-primary-dark);
}

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.8125rem;
}

.btn-group-actions .btn {
  margin-right: 0.25rem;
}

.btn-group-actions .btn:last-child {
  margin-right: 0;
}

/* Badges */
.badge {
  font-weight: 600;
  font-size: 0.7rem;
  padding: 0.35em 0.65em;
  border-radius: 0.35rem;
}

.bg-success { background: #16a34a !important; }
.bg-warning { background: #f59e0b !important; color: #fff !important; }
.bg-danger { background: #dc2626 !important; }

/* Alerts */
.alert {
  border: none;
  border-radius: var(--app-radius);
  box-shadow: var(--app-shadow);
}

.alert-success { background: #ecfdf5; color: #065f46; }
.alert-danger { background: #fef2f2; color: #991b1b; }
.alert-info { background: #eff6ff; color: #1e40af; }
.alert-warning { background: #fffbeb; color: #92400e; }

/* Forms */
.form-control, .form-select {
  border-radius: var(--app-radius);
  border-color: var(--app-border);
  padding: 0.5rem 0.75rem;
}

.form-control:focus, .form-select:focus {
  border-color: var(--app-primary);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, .15);
}

.form-label {
  font-weight: 600;
  color: var(--app-text);
  margin-bottom: 0.35rem;
}

/* Alert card (dashboard) */
.alert-card {
  border: none;
  border-radius: var(--app-radius-lg);
  box-shadow: var(--app-shadow);
  overflow: hidden;
}

.alert-card .card-header {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  color: #92400e;
  font-weight: 700;
  border: none;
  padding: 1rem 1.5rem;
}

.alert-card .list-group-item {
  border-color: var(--app-border);
  padding: 0.75rem 1.5rem;
}

/* Footer */
.app-footer {
  background: var(--app-surface);
  border-top: 1px solid var(--app-border);
  padding: 1rem 0;
  font-size: 0.8125rem;
  color: var(--app-text-muted);
}

/* Auth (login/register) */
.auth-wrapper {
  min-height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  background: linear-gradient(160deg, var(--app-bg) 0%, var(--app-bg-subtle) 100%);
  border-radius: var(--app-radius-lg);
}

.auth-card {
  width: 100%;
  max-width: 400px;
  border: none;
  border-radius: var(--app-radius-lg);
  box-shadow: var(--app-shadow-lg);
  overflow: hidden;
}

.auth-card .card-body {
  padding: 2rem;
}

.auth-card .card-title {
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--app-text);
}

.auth-card .btn-primary {
  padding: 0.65rem;
  font-size: 1rem;
}

/* Empty state */
.table-empty {
  padding: 3rem 1.5rem !important;
  color: var(--app-text-muted);
  font-size: 0.9375rem;
}

/* Pagination */
.pagination {
  gap: 0.25rem;
}

.pagination .page-link {
  border-radius: var(--app-radius) !important;
  font-weight: 500;
}

.pagination .page-item.active .page-link {
  background: var(--app-primary);
  border-color: var(--app-primary);
}