/* ==========================================================================
   PRUN Design System — refinamentos de interface
   Compartilhado entre login, admin, aluno e instrutor
   ========================================================================== */

/* --------------------------------------------------------------------------
   Paleta de cores — Slate & Rose
   -------------------------------------------------------------------------- */

:root {
  --prun-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --prun-shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
  --prun-shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
  --prun-shadow-brand: 0 4px 14px rgba(var(--primary-rgb), 0.25);
}

body {
  color: var(--text-muted);
  background-color: var(--surface-muted);
}

.text-gray-800 {
  color: var(--text-heading) !important;
}

.text-gray-600 {
  color: var(--text-muted) !important;
}

.bg-gradient-primary {
  background-color: var(--sidebar-bg) !important;
  background-image: linear-gradient(180deg, var(--sidebar-bg) 0%, var(--sidebar-bg-end) 100%) !important;
}

/* --------------------------------------------------------------------------
   Sidebar — menu lateral (legibilidade)
   -------------------------------------------------------------------------- */

.sidebar-dark .sidebar-heading {
  color: rgba(255, 255, 255, 0.55) !important;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.sidebar-dark .nav-item .nav-link {
  color: rgba(255, 255, 255, 0.92) !important;
}

.sidebar-dark .nav-item .nav-link i {
  color: rgba(255, 255, 255, 0.65) !important;
}

.sidebar-dark .nav-item .nav-link:hover,
.sidebar-dark .nav-item .nav-link:focus,
.sidebar-dark .nav-item .nav-link:active {
  color: #fff !important;
  background: rgba(255, 255, 255, 0.08) !important;
}

.sidebar-dark .nav-item .nav-link:hover i,
.sidebar-dark .nav-item .nav-link:focus i,
.sidebar-dark .nav-item .nav-link:active i {
  color: var(--primary-light) !important;
}

.sidebar-dark .nav-item.active .nav-link {
  background: rgba(var(--primary-rgb), 0.22) !important;
  color: #fff !important;
  font-weight: 700;
}

.sidebar-dark .nav-item.active .nav-link i {
  color: var(--primary-light) !important;
}

.sidebar-dark .nav-item .nav-link[data-toggle="collapse"]::after {
  color: rgba(255, 255, 255, 0.55) !important;
}

/* Submenus (collapse) */
.sidebar-dark .nav-item .collapse,
.sidebar-dark .nav-item .collapsing {
  background: transparent;
}

.sidebar-dark .nav-item .collapse .collapse-inner,
.sidebar-dark .nav-item .collapsing .collapse-inner {
  background-color: rgba(0, 0, 0, 0.18) !important;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: none;
  margin: 0 0.75rem 0.5rem;
  padding: 0.35rem 0;
}

.sidebar-dark .nav-item .collapse .collapse-inner .collapse-item,
.sidebar-dark .nav-item .collapsing .collapse-inner .collapse-item {
  color: rgba(255, 255, 255, 0.92) !important;
  font-weight: 500;
}

.sidebar-dark .nav-item .collapse .collapse-inner .collapse-item i,
.sidebar-dark .nav-item .collapsing .collapse-inner .collapse-item i {
  color: rgba(255, 255, 255, 0.6) !important;
  margin-right: 0.35rem;
  width: 1rem;
  text-align: center;
}

.sidebar-dark .nav-item .collapse .collapse-inner .collapse-item:hover,
.sidebar-dark .nav-item .collapsing .collapse-inner .collapse-item:hover {
  background-color: rgba(var(--primary-rgb), 0.25) !important;
  color: #fff !important;
}

.sidebar-dark .nav-item .collapse .collapse-inner .collapse-item:hover i,
.sidebar-dark .nav-item .collapsing .collapse-inner .collapse-item:hover i {
  color: #fff !important;
}

.sidebar-dark .nav-item .collapse .collapse-inner .collapse-item.active,
.sidebar-dark .nav-item .collapsing .collapse-inner .collapse-item.active {
  background-color: rgba(var(--primary-rgb), 0.32) !important;
  color: #fff !important;
  font-weight: 700;
}

.sidebar-dark .nav-item .collapse .collapse-inner .collapse-header,
.sidebar-dark .nav-item .collapsing .collapse-inner .collapse-header {
  color: rgba(255, 255, 255, 0.5) !important;
}

.sidebar-dark #sidebarToggle {
  background-color: rgba(255, 255, 255, 0.15);
}

.sidebar-dark #sidebarToggle::after {
  color: rgba(255, 255, 255, 0.6) !important;
}

.sidebar-dark #sidebarToggle:hover {
  background-color: rgba(255, 255, 255, 0.22);
}

.sidebar .nav-item .nav-link {
  border-radius: 0.45rem;
  margin: 0 0.75rem;
  padding: 0.75rem 1rem;
  transition: background 0.15s, color 0.15s;
}

.sidebar .nav-item .nav-link i {
  width: 1.25rem;
  text-align: center;
}

.sidebar.toggled .nav-item .nav-link span {
  font-size: 0.85rem;
}

.btn-primary {
  box-shadow: var(--prun-shadow-brand);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.35);
}

.border-left-primary {
  border-left-color: var(--primary) !important;
}

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

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

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

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

.bg-light {
  background-color: var(--light) !important;
}

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

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

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

.badge-warning {
  background-color: var(--warning);
  color: #fff;
}

.badge-info {
  background-color: var(--info);
}

.table .thead-light th {
  background-color: var(--light);
  color: var(--text-muted);
  border-color: var(--border);
}

/* --------------------------------------------------------------------------
   Login
   -------------------------------------------------------------------------- */

body.prun-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(145deg, var(--sidebar-bg) 0%, #1E293B 40%, var(--primary-dark) 100%);
}

.prun-login-wrapper {
  width: 100%;
  padding: 2rem 1rem;
}

.prun-login-card {
  border: none;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--prun-shadow-lg);
}

.prun-login-card .card-body {
  padding: 0;
}

.prun-login-brand {
  text-align: center;
  padding: 2rem 2rem 1.5rem;
  background: linear-gradient(180deg, var(--primary-lighter) 0%, var(--surface) 100%);
  border-bottom: 1px solid rgba(var(--primary-rgb), 0.08);
}

.prun-login-logo {
  max-width: 200px;
  width: 100%;
  height: auto;
  display: inline-block;
}

.prun-sidebar-brand {
  padding: 1rem 0.75rem !important;
  min-height: 4.5rem;
}

.prun-sidebar-logo {
  max-height: 100%;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
  transition: max-width 0.2s;
}

.sidebar.toggled .prun-sidebar-logo {
  max-width: 2.25rem;
}

.prun-login-brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #fff;
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  box-shadow: 0 0.35rem 1rem rgba(var(--primary-rgb), 0.3);
}

.prun-login-brand-name {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--primary);
  margin: 0;
  line-height: 1.2;
}

.prun-login-brand-tagline {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray);
  margin: 0.25rem 0 0;
}

.prun-login-body {
  padding: 1.75rem 2rem 2rem;
}

.prun-login-portal-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-lighter);
  border: 1px solid rgba(var(--primary-rgb), 0.12);
  border-radius: 2rem;
  padding: 0.3rem 0.85rem;
  margin-bottom: 0.85rem;
}

.prun-login-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
  margin: 0 0 0.35rem;
}

.prun-login-subtitle {
  font-size: 0.85rem;
  color: var(--gray);
  margin: 0 0 1.5rem;
  line-height: 1.5;
}

.prun-login-form .form-group {
  margin-bottom: 1rem;
}

.prun-input-group {
  position: relative;
}

.prun-input-group .prun-input-icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray);
  font-size: 0.85rem;
  z-index: 2;
  pointer-events: none;
}

.prun-login-form .form-control-user,
.prun-login-form .form-control {
  border-radius: 0.65rem;
  padding: 0.85rem 1rem 0.85rem 2.65rem;
  font-size: 0.875rem;
  border: 1px solid var(--border);
  transition: border-color 0.2s, box-shadow 0.2s;
  height: auto;
}

.prun-login-form .form-control-user:focus,
.prun-login-form .form-control:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 0.2rem rgba(var(--primary-rgb), 0.12);
}

.prun-login-form .btn-user,
.prun-login-form .btn-primary.btn-block {
  border-radius: 0.65rem;
  padding: 0.8rem 1rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-top: 0.25rem;
  box-shadow: var(--prun-shadow-brand);
  transition: transform 0.15s, box-shadow 0.15s;
}

.prun-login-form .btn-user:hover,
.prun-login-form .btn-primary.btn-block:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.35);
}

.prun-login-alert {
  border-radius: 0.65rem;
  font-size: 0.85rem;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  border: none;
}

.prun-login-footer {
  text-align: center;
  padding-top: 1.25rem;
  margin-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.prun-login-footer a {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  transition: color 0.15s;
}

.prun-login-footer a:hover {
  color: var(--primary-darker);
  text-decoration: underline;
}

.prun-login-footer a i {
  margin-right: 0.25rem;
}

/* --------------------------------------------------------------------------
   Admin — layout geral
   -------------------------------------------------------------------------- */

#page-top {
  background-color: var(--surface-muted);
}

#content-wrapper {
  background-color: var(--surface-muted);
}

.sticky-footer {
  background-color: var(--surface) !important;
}

.prun-page-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid rgba(var(--primary-rgb), 0.08);
}

.prun-page-heading h1 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--dark);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.prun-page-heading h1::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1.35rem;
  background: linear-gradient(180deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: 2px;
  flex-shrink: 0;
}

/* Sidebar brand */
.sidebar-brand {
  padding: 1rem 0.5rem;
}

.sidebar-brand-icon {
  font-size: 1.1rem;
}

.sidebar-brand-text {
  font-weight: 800;
  letter-spacing: 0.1em;
}

/* Topbar */
.topbar {
  border-bottom: 1px solid var(--border) !important;
  box-shadow: var(--prun-shadow-sm) !important;
}

.topbar .btn-primary.btn-sm {
  border-radius: 0.5rem;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.topbar .img-profile {
  border: 2px solid var(--primary-lighter);
}

/* --------------------------------------------------------------------------
   Admin — listagens
   -------------------------------------------------------------------------- */

.prun-list-card,
.container-fluid > .row .card.shadow.mb-4 {
  border: none;
  border-radius: 0.75rem;
  overflow: hidden;
}

.prun-list-card > .card-header,
.container-fluid > .row .card.shadow.mb-4 > .card-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.25rem;
}

.prun-list-card .card-body,
.container-fluid > .row .card.shadow.mb-4 .card-body {
  padding: 0;
}

.prun-list-card .table-responsive,
.container-fluid > .row .card.shadow.mb-4 .table-responsive {
  padding: 0;
}

.prun-list-card .table,
.container-fluid > .row .card.shadow.mb-4 .table {
  margin-bottom: 0;
}

.prun-list-card .table thead th,
.container-fluid > .row .card.shadow.mb-4 .table thead th {
  background: var(--primary-lighter);
  color: var(--primary-darker);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-top: none;
  border-color: rgba(var(--primary-rgb), 0.08);
  padding: 0.85rem 1rem;
  vertical-align: middle;
  white-space: nowrap;
}

.prun-list-card .table tbody td,
.container-fluid > .row .card.shadow.mb-4 .table tbody td {
  padding: 0.75rem 1rem;
  vertical-align: middle;
  font-size: 0.875rem;
  border-color: var(--border-subtle);
  color: var(--dark);
}

.prun-list-card .table tbody tr:hover,
.container-fluid > .row .card.shadow.mb-4 .table tbody tr:hover {
  background-color: rgba(var(--primary-rgb), 0.04);
}

.prun-list-card .card-header .form-control,
.container-fluid > .row .card.shadow.mb-4 .card-header .form-control {
  border-radius: 0.5rem;
  background: var(--light);
}

.prun-list-card .card-header .btn-primary,
.container-fluid > .row .card.shadow.mb-4 .card-header .btn-primary {
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.8rem;
  padding: 0.4rem 0.85rem;
}

/* Ações em tabelas */
.prun-action-btn,
.table a.pr-2,
.table td a.text-info {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.45rem;
  color: var(--primary) !important;
  background: var(--primary-lighter);
  transition: background 0.15s, color 0.15s, transform 0.1s;
  text-decoration: none !important;
  margin-right: 0.25rem;
}

.prun-action-btn:hover,
.table a.pr-2:hover,
.table td a.text-info:hover {
  background: var(--primary);
  color: #fff !important;
  transform: translateY(-1px);
}

.prun-action-btn.prun-action-danger {
  color: var(--danger) !important;
  background: rgba(var(--primary-rgb), 0.08);
}

.prun-action-btn.prun-action-danger:hover {
  background: var(--danger);
  color: #fff !important;
}

/* DataTables */
.dataTables_wrapper {
  padding: 1rem 1.25rem 1.25rem;
}

.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
  border-radius: 0.45rem;
  border-color: var(--border);
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
  background: var(--primary) !important;
  border-color: var(--primary) !important;
  color: #fff !important;
  border-radius: 0.35rem;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
  background: var(--primary-lighter) !important;
  border-color: var(--primary-light) !important;
  color: var(--primary) !important;
  border-radius: 0.35rem;
}

/* --------------------------------------------------------------------------
   Admin — formulários e modais
   -------------------------------------------------------------------------- */

.modal-content {
  border: none;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: var(--prun-shadow-lg);
}

.modal-header {
  background: linear-gradient(180deg, var(--primary-lighter) 0%, var(--surface) 100%);
  border-bottom: 1px solid rgba(var(--primary-rgb), 0.08);
  padding: 1rem 1.25rem;
}

.modal-header .modal-title {
  font-weight: 700;
  color: var(--dark);
  font-size: 1.05rem;
}

.modal-footer {
  background: var(--light);
  border-top: 1px solid var(--border);
  padding: 0.85rem 1.25rem;
}

.modal-footer .btn {
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.45rem 1.1rem;
}

.modal-body .card.shadow {
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  box-shadow: none !important;
}

.modal-body .card-header,
.prun-form-section .card-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1rem;
}

.modal-body .card-header h6,
.prun-form-section .card-header h6 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--primary) !important;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.modal-body .card-header h6::before,
.prun-form-section .card-header h6::before {
  content: '\f0c9';
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  font-size: 0.7rem;
  opacity: 0.6;
}

.modal-body .card-body,
.prun-form-section .card-body {
  padding: 1rem;
}

.modal-body label,
.prun-form-section label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--gray-dark);
  margin-bottom: 0.35rem;
}

.modal-body .form-control,
.prun-form-section .form-control {
  border-radius: 0.45rem;
  border-color: var(--border);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.modal-body .form-control:focus,
.prun-form-section .form-control:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 0.15rem rgba(var(--primary-rgb), 0.1);
}

/* Dashboard cards */
.border-left-primary,
.border-left-danger,
.border-left-info,
.border-left-warning {
  border-radius: 0.65rem;
  border-left-width: 0.25rem !important;
  transition: transform 0.15s, box-shadow 0.15s;
}

.border-left-primary:hover,
.border-left-danger:hover,
.border-left-info:hover,
.border-left-warning:hover {
  transform: translateY(-2px);
  box-shadow: var(--prun-shadow-md) !important;
}

/* Badges de situação */
.prun-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 0.3rem 0.65rem;
  border-radius: 2rem;
}

.prun-badge-success {
  background: rgba(5, 150, 105, 0.12);
  color: var(--success-dark);
}

.prun-badge-danger {
  background: rgba(var(--primary-rgb), 0.08);
  color: var(--danger-dark);
}

.prun-badge-muted {
  background: var(--border-subtle);
  color: var(--gray);
}

/* Alertas */
.alert {
  border-radius: 0.55rem;
  border: none;
}

/* --------------------------------------------------------------------------
   Sidebar — opções de sistema (legado)
   -------------------------------------------------------------------------- */

#alertModal .modal-body iframe {
  width: 100%;
  height: 400px;
  border: none;
}

.opcoes-sistema {
  height: 40px;
  overflow: hidden;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  cursor: pointer;
}

.opcoes-sistema i {
  display: inline-block;
  margin-right: 10px;
}

.toggled .opcoes-sistema {
  text-align: center;
}

.toggled .opcoes-sistema i {
  margin: auto;
  font-size: 16px;
}

.toggled .opcoes-sistema span {
  display: none;
}

.opcoes-programas {
  height: 0;
  opacity: 0;
  overflow: hidden;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  transition: 0.3s;
}

.opcoes-programas.aberto {
  height: 40px;
  opacity: 1;
}

.opcoes-programas a {
  padding: 0 10px !important;
}

.toggled .opcoes-programas {
  text-align: center;
}

.toggled .opcoes-programas a span {
  display: none !important;
}

.opcoes-divisor {
  margin: 0 !important;
  padding: 0 !important;
}

/* --------------------------------------------------------------------------
   Portais aluno e instrutor
   -------------------------------------------------------------------------- */

.prun-welcome-card {
  border: none !important;
  border-radius: 0.75rem !important;
  border-left: 0.25rem solid var(--primary) !important;
  overflow: hidden;
}

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

.prun-portal-card.card.shadow,
.container-fluid > .row > [class*="col"] > .card.shadow {
  border: none;
  border-radius: 0.75rem;
  overflow: hidden;
}

.prun-portal-card .card-header,
.container-fluid > .row > [class*="col"] > .card.shadow > .card-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 1.25rem;
}

.prun-portal-card .card-header h6,
.container-fluid > .row > [class*="col"] > .card.shadow > .card-header h6 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.prun-portal-card .list-group-item,
.container-fluid > .row > [class*="col"] > .card.shadow .list-group-item {
  border-color: var(--border-subtle);
  padding: 0.85rem 1.25rem;
  transition: background 0.15s;
}

.prun-portal-card .list-group-item-action:hover,
.container-fluid > .row > [class*="col"] > .card.shadow .list-group-item-action:hover {
  background: var(--primary-lighter);
}

.container-fluid > .row > [class*="col"] > .card.shadow .table thead th,
.prun-portal-card .table thead th {
  background: var(--primary-lighter);
  color: var(--primary-darker);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-color: rgba(var(--primary-rgb), 0.08);
  padding: 0.75rem 1rem;
}

.container-fluid > .row > [class*="col"] > .card.shadow .table tbody td,
.prun-portal-card .table tbody td {
  padding: 0.7rem 1rem;
  vertical-align: middle;
  border-color: var(--border-subtle);
}

.container-fluid > .row > [class*="col"] > .card.shadow .table tbody tr:hover,
.prun-portal-card .table tbody tr:hover {
  background: rgba(var(--primary-rgb), 0.04);
}

.topbar .btn-outline-primary.btn-sm {
  border-radius: 0.5rem;
  font-weight: 600;
}

#listaConversas .list-group-item.active {
  color: var(--primary);
}

/* --------------------------------------------------------------------------
   Responsivo
   -------------------------------------------------------------------------- */

@media (max-width: 576px) {
  .prun-login-body {
    padding: 1.5rem 1.25rem 1.75rem;
  }

  .prun-login-brand {
    padding: 1.5rem 1.25rem 1rem;
  }
}