:root {
  /* Paleta de Cores - Dark Mode */
  --bg-body: #121212;
  --bg-sidebar: #1e1e1e;
  --bg-card: #252525;
  --bg-header: #1e1e1e;

  --text-primary: #e0e0e0;
  --text-secondary: #a0a0a0;

  --accent-color: #3498db;
  --accent-color-new: #ffb703;
  --accent-hover: #2980b9;
  --danger-color: #e74c3c;
  --success-color: #2ecc71;

  --border-color: #333333;
  --shadow-card: 0 4px 6px rgba(0, 0, 0, 0.3);

  --font-main: "Inter", sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  height: 100vh;
  overflow: hidden; /* Scroll apenas no conteúdo principal */
}

/* --- Layout Principal --- */
.app-container {
  display: flex;
  height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
  width: 280px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  overflow-y: auto;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.logo-container h1 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.5px;
}

.logo-container i {
  color: var(--accent-color);
}

.navigation h3,
.filters-section h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  letter-spacing: 1px;
  font-weight: 600;
  margin-top: 1.5rem;
}

.navigation h3:first-child {
  margin-top: 0;
}

.navigation ul {
  list-style: none;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.2s ease;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.nav-link:hover,
.nav-link.active {
  background-color: rgba(52, 152, 219, 0.15);
  color: var(--accent-color);
}

.nav-link i {
  width: 20px;
  text-align: center;
  font-size: 1rem;
}

/* --- Filtros --- */
.filters-section {
  margin-top: auto; /* Empurra para o final da sidebar */
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}

.filter-group {
  margin-bottom: 1rem;
}

.filter-group label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

select,
input[type="date"] {
  width: 100%;
  padding: 0.6rem;
  background-color: var(--bg-body);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.9rem;
}

select:focus,
input:focus {
  outline: none;
  border-color: var(--accent-color);
}

.btn-secondary {
  width: 100%;
  padding: 0.75rem;
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  margin-top: 1rem;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--text-secondary);
}

/* --- Conteúdo Principal --- */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--bg-body);
}

.top-header {
  background-color: var(--bg-header);
  padding: 0 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
  flex-shrink: 0;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.btn-icon {
  background: none;
  border: none;
  color: var(--accent-color);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0.5rem;
  border-radius: 50%;
  transition: background 0.2s;
}

.btn-icon:hover {
  background-color: rgba(52, 152, 219, 0.1);
}

.stats-panel {
  display: flex;
  gap: 2rem;
}

.stat-item {
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  gap: 5px;
  line-height: 1.2;
}

.stat-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.stat-item.highlight .stat-value {
  color: var(--success-color);
}

/* --- Grid de Notícias --- */
.news-grid {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  height: 100%;
  gap: 1.5rem;
  align-content: start;
}

/* --- Loader --- */
.loader-container {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem;
  color: var(--text-secondary);
}

.loader {
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-left-color: var(--accent-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

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

::-webkit-scrollbar-track {
  background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #444;
}

/* --- Responsividade --- */
@media (max-width: 768px) {
  body {
    overflow: visible;
  }

  .app-container {
    flex-direction: column;
    height: auto;
    min-height: 100vh;
  }

  .sidebar {
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
  }

  .main-content {
    height: auto;
    overflow: visible;
  }

  .top-header {
    padding: 1rem;
    flex-direction: column;
    gap: 1rem;
    height: auto;
    align-items: flex-start;
  }

  .header-left,
  .stats-panel {
    width: 100%;
    justify-content: space-between;
  }

  .news-grid {
    padding: 1rem;
    grid-template-columns: 1fr;
  }
}

/* --- Card de Notícia --- */
.news-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.4);
}

.news-card.highlight-border {
  border-left: 4px solid var(--accent-color-new);
}

.card-header,
.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.card-header {
  border-bottom: 1px solid var(--border-color);
}

.card-footer {
  border-top: 1px solid var(--border-color);
  margin-top: auto; /* Empurra o rodapé para baixo */
  flex-wrap: wrap;
  gap: 0.5rem;
}

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

.news-title {
  text-decoration: none;
  color: var(--text-primary);
}

.news-title h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  transition: color 0.2s;
}

.news-title:hover h3 {
  color: var(--accent-color);
}

.news-summary {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* --- Badges --- */
.badge {
  padding: 0.25rem 0.6rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.badge-source {
  background-color: rgba(52, 152, 219, 0.2); /* accent */
  color: var(--accent-color);
}

.badge-type {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
}

.badge-city {
  background-color: rgba(46, 204, 113, 0.15); /* success */
  color: var(--success-color);
}

/* --- Botão "Ler mais" --- */
.btn-read-more {
  margin-left: auto;
  font-size: 0.85rem;
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
}

.btn-read-more:hover {
  color: var(--accent-hover);
}

.btn-read-more i {
  font-size: 0.75rem;
  margin-left: 0.2rem;
}

/* --- Visualização por Portal (Lista de Seções) --- */
.news-list-container {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.portal-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-color);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.portal-news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}