/* ============================================================
   pareto.css — Estilos da aba Reta Final — Pareto 80/20
   ============================================================ */

/* --- Layout da aba Pareto --- */
#tab-pareto.active {
  display: flex;
  align-items: flex-start;
  min-height: calc(100vh - var(--header-height) - var(--tab-nav-height));
}

/* --- Sidebar Pareto --- */
.pareto-sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--white);
  border-right: 1px solid var(--border);
  min-height: calc(100vh - var(--header-height) - var(--tab-nav-height));
  overflow-y: auto;
  position: sticky;
  top: calc(var(--header-height) + var(--tab-nav-height));
  max-height: calc(100vh - var(--header-height) - var(--tab-nav-height));
}

/* --- Sidebar Sub-text (X/Y tópicos) --- */
.pareto-coverage {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* --- Sidebar count badge no modo Pareto --- */
.pareto-count {
  background: var(--accent-light);
  color: var(--accent-dark);
  font-size: 0.65rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  flex-shrink: 0;
  font-family: 'Source Sans 3', sans-serif;
}

.sidebar-subject.active .pareto-count {
  background: var(--accent);
  color: var(--white);
}

/* --- Área de conteúdo Pareto --- */
.pareto-content-area {
  flex: 1;
  min-width: 0;
  padding: 28px 36px;
  max-height: calc(100vh - var(--header-height) - var(--tab-nav-height));
  overflow-y: auto;
}

/* --- Header da disciplina (Pareto) --- */
.pareto-disc-header {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--border);
}

.pareto-disc-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.pareto-disc-title-row .content-subject-name {
  font-size: 1.4rem;
  font-weight: 900;
  color: #000000;
  letter-spacing: -0.02em;
  font-family: 'Source Sans 3', sans-serif;
}

/* --- Stats row --- */
.pareto-stats-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.pareto-stat {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 4px 14px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-family: 'Source Sans 3', sans-serif;
}

.pareto-stat strong {
  color: var(--text);
  font-weight: 700;
}

.pareto-stat-icon {
  font-size: 0.85rem;
}

.pareto-stat-coverage {
  background: var(--accent-light);
  border-color: rgba(16, 185, 129, 0.25);
  color: #065f46;
}

.pareto-stat-coverage strong {
  color: #047857;
}

.pareto-stat-excluded {
  background: var(--menos-cobrado-bg);
  border-color: var(--menos-cobrado-border);
  color: var(--menos-cobrado);
  font-size: 0.72rem;
}

/* --- Legenda Pareto --- */
.pareto-legend {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.pareto-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-family: 'Source Sans 3', sans-serif;
}

.pareto-legend-item .priority-badge {
  font-size: 0.6rem;
}

/* --- Card Pareto (condensado para cobrado) --- */
.pareto-topic-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 22px;
  overflow: hidden;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.pareto-topic-card:hover {
  box-shadow: 0 4px 16px rgba(10, 31, 59, 0.1);
  transform: translateY(-2px);
}

/* Highlight mais_cobrado cards */
.pareto-topic-card.pareto-mais-cobrado {
  border-left: 4px solid var(--mais-cobrado);
}

.pareto-topic-card.pareto-cobrado {
  border-left: 4px solid var(--cobrado);
}

/* --- Pareto card header --- */
.pareto-topic-card .topic-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid var(--border);
  background: var(--white);
  transition: background var(--transition);
}

.pareto-topic-card .topic-card-header:hover {
  background: var(--bg);
}

/* --- Modo condensado (cobrado) --- */
.pareto-condensed-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--cobrado-bg);
  border: 1px solid var(--cobrado-border);
  color: var(--cobrado);
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
  font-family: 'Source Sans 3', sans-serif;
}

/* --- Pareto content body (resumo_pareto direto) --- */
.pareto-content-body {
  padding: 20px 24px;
}

.pareto-content-body .resumo-subtema {
  margin-bottom: 20px;
}

.pareto-content-body .resumo-subtema:last-child {
  margin-bottom: 0;
}

/* When there are no questões or alertas */
.pareto-empty-condensed {
  padding: 20px 24px;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-style: italic;
  text-align: center;
  background: var(--bg);
  border-radius: var(--radius-md);
  margin: 12px 0;
}

/* --- Responsivo --- */
@media (max-width: 1024px) {
  .pareto-sidebar {
    width: 230px;
    min-width: 230px;
  }

  .pareto-content-area {
    padding: 20px 22px;
  }
}

@media (max-width: 768px) {
  #tab-pareto {
    flex-direction: column;
  }

  .pareto-sidebar {
    width: 100%;
    min-width: 100%;
    min-height: auto;
    max-height: none;
    position: static;
    border-right: none;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    overflow-y: hidden;
  }

  .pareto-sidebar .sidebar-list {
    display: flex;
    padding: 8px 12px;
    gap: 6px;
    overflow-x: auto;
    white-space: nowrap;
  }

  .pareto-sidebar .sidebar-subject {
    flex-direction: column;
    text-align: center;
    padding: 10px 14px;
    border-left: none;
    border-bottom: 3px solid transparent;
    border-radius: var(--radius-md);
    gap: 4px;
    flex-shrink: 0;
  }

  .pareto-sidebar .sidebar-subject.active {
    border-left-color: transparent;
    border-bottom-color: var(--accent);
    background: var(--accent-light);
  }

  .pareto-coverage {
    display: none;
  }

  .pareto-sidebar .sidebar-header,
  .pareto-sidebar .sidebar-divider,
  .pareto-sidebar .sidebar-category-label {
    display: none;
  }

  .pareto-content-area {
    max-height: none;
    padding: 16px;
  }

  .pareto-disc-title-row .content-subject-name {
    font-size: 1.15rem;
  }

  .pareto-stats-row {
    gap: 6px;
  }

  .pareto-stat {
    font-size: 0.72rem;
    padding: 3px 10px;
  }
}