/* ============================================================================
   REFINAMENTOS COMPLETOS - CodeChallenge
   CSS Master com todos os ajustes de design
============================================================================ */

/* ============================================================================
   1. TÍTULOS FIXOS NO CANTO SUPERIOR ESQUERDO
============================================================================ */

.page-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-bg);
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0 !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-header h1 {
  margin: 0;
  font-size: 1.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
}

.page-header h1 svg {
  flex-shrink: 0;
  color: #8b5cf6;
  stroke: #8b5cf6;
}

.page-subtitle {
  margin-top: 0.5rem;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  font-weight: 400;
}

/* Wrapper para conteúdo principal */
.main-content-wrapper {
  padding: 2rem;
}

/* ============================================================================
   2. ESPAÇAMENTOS GLOBAIS MELHORADOS
============================================================================ */

.card {
  padding: 1.5rem;
  border-radius: 12px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  margin-bottom: 1.5rem;
}

.card + .card {
  margin-top: 1.5rem;
}

section + section {
  margin-top: 2.5rem;
}

/* ============================================================================
   3. NOTIFICAÇÕES - ESPAÇAMENTOS REFINADOS
============================================================================ */

.notificacoes-pagina .page-header {
  margin-bottom: 0 !important;
}

.notif-stats {
  display: flex;
  gap: 1.5rem;
  margin: 2rem 0;
}

.notif-stats .stat-card {
  flex: 1;
  padding: 1.5rem;
  text-align: center;
  background: var(--color-bg-elevated);
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.notif-stats .stat-valor {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.notif-stats .stat-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filtros-notificacoes {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 2rem 0;
}

.filtro-btn {
  padding: 0.625rem 1.25rem;
  border-radius: 20px;
  font-size: 0.875rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  text-decoration: none;
  transition: all 0.2s;
}

.filtro-btn:hover {
  background: var(--color-bg-tertiary);
  border-color: var(--color-primary);
}

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

.notif-acoes {
  display: flex;
  gap: 1rem;
  margin: 2rem 0;
}

.notificacoes-lista-pagina {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 2rem;
}

.notificacao-item {
  padding: 1.25rem;
  border-radius: 12px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: all 0.2s;
}

.notificacao-item:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.notificacao-item.nao-lida {
  background: var(--color-primary-subtle);
  border-color: var(--color-primary);
}

.notificacao-icone {
  min-width: 48px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border-radius: 50%;
  background: var(--color-bg-secondary);
  flex-shrink: 0;
}

.notificacao-conteudo {
  flex: 1;
  min-width: 0;
}

.notificacao-titulo {
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
}

.notificacao-mensagem {
  margin-bottom: 0.75rem;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
}

.notificacao-tempo {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.notificacao-acoes-item {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-shrink: 0;
}

.btn-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 1rem;
  text-decoration: none;
  color: var(--color-text);
}

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

/* ============================================================================
   4. RIVAIS - DESIGN MELHORADO + BUSCA
============================================================================ */

.rivais-header-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin: 2rem 0;
}

.rivais-search-box {
  flex: 1;
  max-width: 400px;
  position: relative;
}

.rivais-search-box input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  font-size: 0.95rem;
  transition: all 0.2s;
}

.rivais-search-box input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

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

.rivais-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.rivais-stats .stat-card {
  padding: 1.5rem;
  text-align: center;
  background: var(--color-bg-elevated);
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.rivais-lista {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2rem;
}

.rival-card {
  padding: 0;
  border-radius: 16px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all 0.3s;
}

.rival-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  border-color: var(--color-primary);
}

.rival-header {
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-elevated) 100%);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.rival-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  font-weight: 700;
  flex-shrink: 0;
  border: 3px solid white;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.rival-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.rival-info h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.25rem;
}

.rival-info h3 a {
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.2s;
}

.rival-info h3 a:hover {
  color: var(--color-primary);
}

.rival-posicao {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.rival-seguindo {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.rival-status {
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.rival-status.na_frente {
  background: #d4edda;
  color: #155724;
}

.rival-status.empate {
  background: #fff3cd;
  color: #856404;
}

.rival-status.atras {
  background: #f8d7da;
  color: #721c24;
}

.rival-comparacao {
  padding: 1.5rem;
}

.comparacao-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.comparacao-table th,
.comparacao-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.comparacao-table th {
  background: var(--color-bg-secondary);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-secondary);
}

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

.comparacao-table tbody tr:hover {
  background: var(--color-bg-hover);
}

.comparacao-table td:first-child {
  font-weight: 600;
}

.comparacao-table td:nth-child(2),
.comparacao-table td:nth-child(3) {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
}

.rival-acoes {
  padding: 1.5rem;
  background: var(--color-bg-secondary);
  display: flex;
  gap: 1rem;
  border-top: 1px solid var(--color-border);
}

.rival-acoes .button {
  flex: 1;
}

/* ============================================================================
   5. CONQUISTAS - ÍCONE E ESPAÇAMENTOS
============================================================================ */

.conquistas-estatisticas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.estatistica-item {
  padding: 1.5rem;
  background: var(--color-bg-elevated);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  text-align: center;
}

.estatistica-valor {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.estatistica-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.conquistas-secao {
  margin: 2.5rem 0;
}

.conquistas-secao-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.conquistas-secao-header h2 {
  margin: 0;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.medalhas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* ============================================================================
   6. DASHBOARD - LAYOUT CONSISTENTE
============================================================================ */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.stat-card {
  padding: 1.5rem;
  background: var(--color-bg-elevated);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  display: flex;
  gap: 1rem;
  align-items: center;
  transition: all 0.2s;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border-color: var(--color-primary);
}

/* ============================================================================
   7. EXERCÍCIOS - ÍCONE E FILTROS
============================================================================ */

.filters-card {
  padding: 1.5rem;
  margin: 2rem 0;
}

.filters-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.filters-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}


.exercise-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.exercise-row {
  padding: 1.25rem;
  background: var(--color-bg-elevated);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  transition: all 0.2s;
}

.exercise-row:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border-color: var(--color-primary);
}

/* ============================================================================
   8. RANKING - ÍCONE E PÓDIO
============================================================================ */

.podium-section {
  margin: 2rem 0 3rem 0;
}

.podium-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.leaderboard-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  padding-top: 1.5rem;
}

/* ============================================================================
   9. PERFIL - LAYOUT
============================================================================ */

.perfil-header {
  padding: 2rem;
  margin: 2rem 0;
  background: var(--color-bg-elevated);
  border-radius: 16px;
  border: 1px solid var(--color-border);
}

.perfil-estatisticas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

/* ============================================================================
   10. BOTÕES - ESTILOS CONSISTENTES
============================================================================ */

.button,
.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.button.primary,
.btn.primary,
.btn-primary {
  background: var(--color-primary);
  color: white;
}

.button.primary:hover,
.btn.primary:hover,
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.3);
}

.button.secondary,
.btn.secondary,
.btn-secondary {
  background: var(--color-bg-secondary);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.button.secondary:hover,
.btn.secondary:hover,
.btn-secondary:hover {
  background: var(--color-bg-tertiary);
  border-color: var(--color-primary);
}

.button.ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.button.ghost:hover {
  background: var(--color-bg-secondary);
  border-color: var(--color-primary);
  color: var(--color-text);
}

.button.danger-outline {
  background: transparent;
  color: #dc3545;
  border: 1px solid #dc3545;
}

.button.danger-outline:hover {
  background: #dc3545;
  color: white;
}

/* ============================================================================
   11. RESPONSIVO
============================================================================ */

@media (max-width: 1024px) {
  .page-header {
    padding: 1.25rem 1.5rem;
  }
  
  .main-content-wrapper {
    padding: 1.5rem;
  }
  
  .rival-header {
    flex-direction: column;
    text-align: center;
  }
  
  .rival-avatar {
    width: 64px;
    height: 64px;
  }
}

@media (max-width: 768px) {
  .page-header h1 {
    font-size: 1.5rem;
  }
  
  .main-content-wrapper {
    padding: 1rem;
  }
  
  .notif-stats,
  .rivais-stats,
  .stats-grid,
  .conquistas-estatisticas,
  .perfil-estatisticas {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .filtros-notificacoes {
    gap: 0.5rem;
  }
  
  .filtro-btn {
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
  }
  
  .notificacao-item {
    padding: 1rem;
    gap: 0.75rem;
  }
  
  .notificacao-icone {
    min-width: 40px;
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }
  
  .rival-card {
    margin-bottom: 1.5rem;
  }
  
  .rival-acoes {
    flex-direction: column;
  }
  
  .comparacao-table {
    font-size: 0.875rem;
  }
  
  .comparacao-table th,
  .comparacao-table td {
    padding: 0.75rem 0.5rem;
  }
}

/* ============================================================================
   12. EMPTY STATES
============================================================================ */

.empty-state,
.empty-state-card {
  padding: 3rem 2rem;
  text-align: center;
  background: var(--color-bg-elevated);
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.empty-state-icon,
.empty-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  opacity: 0.5;
}

.empty-state h2 {
  margin: 0 0 1rem 0;
  font-size: 1.5rem;
}

.empty-state p {
  margin: 0 0 1.5rem 0;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ============================================================================
   FIM DOS REFINAMENTOS
============================================================================ */