:root {
  --bg-primary: #0f0f0f; --bg-secondary: #1a1a1a; --bg-tertiary: #242424;
  --bg-card: #1e1e1e; --bg-hover: #2a2a2a;
  --text-primary: #e8e8e8; --text-secondary: #9e9e9e; --text-muted: #6b6b6b;
  --border-color: #2e2e2e;
  --accent: #3b82f6; --accent-hover: #2563eb; --accent-soft: rgba(59,130,246,0.1);
  --success: #22c55e; --warning: #f59e0b; --danger: #ef4444;
  --positive: #22c55e; --negative: #ef4444;
  --sidebar-width: 220px; --header-height: 56px;
  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 14px;
  --shadow: 0 1px 3px rgba(0,0,0,0.3);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}
[data-theme="light"] {
  --bg-primary: #f8f9fa; --bg-secondary: #ffffff; --bg-tertiary: #f0f1f3;
  --bg-card: #ffffff; --bg-hover: #f0f1f3;
  --text-primary: #1a1a2e; --text-secondary: #6b7280; --text-muted: #9ca3af;
  --border-color: #e5e7eb; --shadow: 0 1px 3px rgba(0,0,0,0.08);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 15px; }
body {
  font-family: var(--font); background: var(--bg-primary); color: var(--text-primary);
  line-height: 1.5; overflow: hidden; height: 100vh; -webkit-font-smoothing: antialiased;
}
#app { display: flex; flex-direction: column; height: 100vh; }
.header {
  height: var(--header-height); display: flex; align-items: center;
  justify-content: space-between; padding: 0 16px;
  background: var(--bg-secondary); border-bottom: 1px solid var(--border-color);
  z-index: 100; flex-shrink: 0;
}
.header-left { display: flex; align-items: center; gap: 12px; }
.sidebar-toggle { display: none; background: none; border: none; color: var(--text-secondary); cursor: pointer; padding: 6px; border-radius: var(--radius-sm); }
.sidebar-toggle:hover { background: var(--bg-hover); color: var(--text-primary); }
.logo { display: flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 700; font-size: 1.1rem; color: var(--text-primary); letter-spacing: -0.5px; }
.logo-icon { width: 28px; height: 28px; background: var(--accent); color: white; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 800; }
.header-center { flex: 1; max-width: 480px; margin: 0 16px; }
.search-bar { display: flex; align-items: center; gap: 8px; background: var(--bg-tertiary); border-radius: 8px; padding: 8px 12px; cursor: pointer; border: 1px solid transparent; transition: all 0.2s; }
.search-bar:hover { border-color: var(--border-color); background: var(--bg-hover); }
.search-bar svg { color: var(--text-muted); flex-shrink: 0; }
.search-bar input { background: none; border: none; color: var(--text-secondary); font-size: 0.85rem; width: 100%; outline: none; font-family: var(--font); cursor: pointer; }
.search-bar input::placeholder { color: var(--text-muted); }
.header-right { display: flex; align-items: center; gap: 12px; }
.live-indicator { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; color: var(--text-muted); }
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--positive); animation: pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%,100%{opacity:1} 50%{opacity:0.4} }
.theme-toggle { background: none; border: none; color: var(--text-secondary); cursor: pointer; padding: 6px; border-radius: var(--radius-sm); display: flex; align-items: center; }
.theme-toggle:hover { background: var(--bg-hover); color: var(--text-primary); }
[data-theme="dark"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: none; }
.layout { display: flex; flex: 1; overflow: hidden; }
.sidebar { width: var(--sidebar-width); background: var(--bg-secondary); border-right: 1px solid var(--border-color); overflow-y: auto; flex-shrink: 0; transition: transform 0.3s ease; }
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 2px; }
.sidebar-nav { padding: 8px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-radius: var(--radius-sm); color: var(--text-secondary); text-decoration: none; font-size: 0.85rem; font-weight: 500; cursor: pointer; transition: all 0.15s; margin-bottom: 2px; }
.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item.active { background: var(--accent-soft); color: var(--accent); }
.nav-item svg { flex-shrink: 0; }
.nav-divider { height: 1px; background: var(--border-color); margin: 8px 12px; }
.main-content { flex: 1; overflow-y: auto; padding: 20px; background: var(--bg-primary); }
.main-content::-webkit-scrollbar { width: 6px; }
.main-content::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
.view-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.view-header h1 { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.5px; }
.filters-bar { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.filter-btn { padding: 4px 12px; border-radius: 20px; border: 1px solid var(--border-color); background: var(--bg-secondary); color: var(--text-secondary); font-size: 0.77rem; font-weight: 500; cursor: pointer; transition: all 0.15s; font-family: var(--font); }
.filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.filter-btn.active { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.news-grid { display: flex; flex-direction: column; gap: 10px; }
.news-card { display: flex; gap: 16px; background: var(--bg-card); border-radius: var(--radius-md); padding: 16px; cursor: pointer; border: 1px solid var(--border-color); transition: all 0.2s; }
.news-card:hover { border-color: var(--accent); box-shadow: 0 2px 12px rgba(59,130,246,0.08); transform: translateY(-1px); }
.news-card-image { width: 120px; height: 80px; border-radius: var(--radius-sm); flex-shrink: 0; overflow: hidden; background: var(--bg-tertiary); }
.news-card-image img { width: 100%; height: 100%; object-fit: cover; }
.news-card-image .placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--text-muted); }
.news-card-content { flex: 1; min-width: 0; }
.news-card-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; flex-wrap: wrap; }
.news-card-source { font-size: 0.75rem; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: 0.3px; }
.news-card-time { font-size: 0.72rem; color: var(--text-muted); }
.news-card-title { font-size: 0.95rem; font-weight: 600; line-height: 1.4; margin-bottom: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; color: var(--text-primary); }
.news-card:hover .news-card-title { color: var(--accent); }
.news-card-summary { font-size: 0.8rem; color: var(--text-secondary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.5; }
.news-card-footer { display: flex; align-items: center; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.news-card-tag { font-size: 0.7rem; padding: 2px 8px; border-radius: 10px; background: var(--bg-tertiary); color: var(--text-muted); font-weight: 500; }
.news-card-tag.highlight { background: var(--accent-soft); color: var(--accent); }
.sentiment-badge { font-size: 0.65rem; padding: 2px 6px; border-radius: 4px; font-weight: 600; text-transform: uppercase; }
.sentiment-positivo { background: rgba(34,197,94,0.15); color: var(--positive); }
.sentiment-negativo { background: rgba(239,68,68,0.15); color: var(--negative); }
.sentiment-relevante { background: rgba(245,158,11,0.15); color: var(--warning); }
.sentiment-neutro { background: var(--bg-tertiary); color: var(--text-muted); }
.impact-badge { font-size: 0.65rem; padding: 2px 6px; border-radius: 4px; font-weight: 600; text-transform: uppercase; }
.impact-urgente { background: rgba(239,68,68,0.2); color: var(--danger); }
.impact-alto { background: rgba(245,158,11,0.2); color: var(--warning); }
.impact-medio { background: rgba(59,130,246,0.15); color: var(--accent); }
.impact-baixo { background: var(--bg-tertiary); color: var(--text-muted); }
.news-card-actions { display: flex; flex-direction: column; gap: 4px; flex-shrink: 0; }
.news-card-actions button { background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 4px; border-radius: 4px; display: flex; align-items: center; justify-content: center; transition: all 0.15s; }
.news-card-actions button:hover { background: var(--bg-hover); color: var(--accent); }
.news-card-actions button.active { color: var(--accent); }
.heatmap { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.heatmap-item { padding: 4px 12px; border-radius: 20px; font-size: 0.78rem; font-weight: 500; cursor: pointer; transition: all 0.15s; border: none; font-family: var(--font); }
.heatmap-item:hover { transform: scale(1.05); filter: brightness(1.2); }
.search-page { max-width: 800px; margin: 0 auto; }
.search-form { margin-bottom: 20px; }
.search-input-group { display: flex; gap: 8px; margin-bottom: 12px; }
.search-input-group input { flex: 1; padding: 12px 16px; border-radius: var(--radius-md); border: 1px solid var(--border-color); background: var(--bg-secondary); color: var(--text-primary); font-size: 0.95rem; font-family: var(--font); outline: none; }
.search-input-group input:focus { border-color: var(--accent); }
.search-input-group button { padding: 12px 20px; border-radius: var(--radius-md); border: none; background: var(--accent); color: white; font-weight: 600; cursor: pointer; font-family: var(--font); transition: background 0.15s; }
.search-input-group button:hover { background: var(--accent-hover); }
.search-advanced { display: none; }
.search-advanced.open { display: block; }
.advanced-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 8px; padding: 12px; background: var(--bg-secondary); border-radius: var(--radius-md); border: 1px solid var(--border-color); margin-bottom: 12px; }
.advanced-field { display: flex; flex-direction: column; gap: 4px; }
.advanced-field label { font-size: 0.75rem; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.3px; }
.advanced-field select, .advanced-field input { padding: 6px 10px; border-radius: var(--radius-sm); border: 1px solid var(--border-color); background: var(--bg-tertiary); color: var(--text-primary); font-size: 0.8rem; font-family: var(--font); outline: none; }
.advanced-field select:focus, .advanced-field input:focus { border-color: var(--accent); }
.search-checkboxes { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.search-checkboxes label { display: flex; align-items: center; gap: 4px; font-size: 0.8rem; color: var(--text-secondary); cursor: pointer; }
.search-checkboxes input[type="checkbox"] { accent-color: var(--accent); }
.search-toggler { background: none; border: none; color: var(--accent); font-size: 0.8rem; cursor: pointer; font-family: var(--font); display: flex; align-items: center; gap: 4px; }
.search-results-info { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 12px; }
.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; margin-bottom: 24px; }
.dashboard-card { background: var(--bg-card); border-radius: var(--radius-md); padding: 16px; border: 1px solid var(--border-color); }
.dashboard-card-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.3px; font-weight: 500; margin-bottom: 6px; }
.dashboard-card-value { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.5px; }
.alerts-list { display: flex; flex-direction: column; gap: 6px; }
.alert-item { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; background: var(--bg-card); border-radius: var(--radius-sm); border: 1px solid var(--border-color); }
.alert-item-keyword { font-weight: 600; font-size: 0.9rem; }
.alert-item-remove { background: none; border: none; color: var(--danger); cursor: pointer; font-size: 0.8rem; font-family: var(--font); }
.collections-bar { display: flex; gap: 8px; margin-bottom: 16px; overflow-x: auto; }
.collection-btn { padding: 6px 16px; border-radius: 20px; border: 1px solid var(--border-color); background: var(--bg-secondary); color: var(--text-secondary); font-size: 0.8rem; font-weight: 500; cursor: pointer; white-space: nowrap; font-family: var(--font); }
.collection-btn.active { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
.settings-section { background: var(--bg-card); border-radius: var(--radius-md); padding: 20px; border: 1px solid var(--border-color); margin-bottom: 16px; }
.settings-section h3 { font-size: 1rem; margin-bottom: 12px; }
.settings-row { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border-color); }
.settings-row:last-child { border-bottom: none; }
.settings-label { font-size: 0.85rem; }
.settings-desc { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }
.settings-input { padding: 6px 10px; border-radius: var(--radius-sm); border: 1px solid var(--border-color); background: var(--bg-tertiary); color: var(--text-primary); font-size: 0.85rem; font-family: var(--font); width: 120px; }
.toast-container { position: fixed; bottom: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 10px 16px; border-radius: var(--radius-sm); font-size: 0.85rem; color: white; font-weight: 500; animation: slide-up 0.3s ease; box-shadow: 0 4px 12px rgba(0,0,0,0.3); }
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--accent); }
@keyframes slide-up { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:translateY(0)} }
.skeleton { background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-hover) 50%, var(--bg-tertiary) 75%); background-size: 200% 100%; animation: skeleton-loading 1.5s infinite; border-radius: var(--radius-sm); }
@keyframes skeleton-loading { 0%{background-position:200%0} 100%{background-position:-200%0} }
.skeleton-card { display: flex; gap: 16px; padding: 16px; background: var(--bg-card); border-radius: var(--radius-md); border: 1px solid var(--border-color); }
.skeleton-image { width: 120px; height: 80px; border-radius: var(--radius-sm); }
.skeleton-line { height: 12px; margin-bottom: 8px; }
.skeleton-line:last-child { width: 60%; }
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.empty-state svg { width: 48px; height: 48px; margin-bottom: 12px; opacity: 0.5; }
.empty-state h3 { font-size: 1.1rem; margin-bottom: 6px; color: var(--text-secondary); }
.empty-state p { font-size: 0.85rem; }
.infinite-scroll-trigger { text-align: center; padding: 20px; color: var(--text-muted); font-size: 0.85rem; }
@media (max-width: 768px) {
  .sidebar { position: fixed; top: var(--header-height); left: 0; bottom: 0; z-index: 50; transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-toggle { display: flex; }
  .main-content { padding: 12px; }
  .news-card { flex-direction: column; }
  .news-card-image { width: 100%; height: 140px; }
  .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
  .header-center { display: none; }
  .live-indicator { display: none; }
}
@media (max-width: 480px) { .dashboard-grid { grid-template-columns: 1fr; } .advanced-grid { grid-template-columns: 1fr; } }

/* ── Admin Panel ── */
.admin-layout { display: flex; gap: 20px; }
.admin-sidebar { width: 200px; flex-shrink: 0; display: flex; flex-direction: column; gap: 2px; }
.admin-nav-item { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: var(--radius-sm); color: var(--text-secondary); text-decoration: none; font-size: 0.85rem; font-weight: 500; cursor: pointer; transition: all 0.15s; }
.admin-nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.admin-nav-item.active { background: var(--accent-soft); color: var(--accent); }
.admin-content { flex: 1; min-width: 0; }
.admin-panel { display: none; }
.admin-panel.active { display: block; }
.admin-panel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.admin-panel-header h2 { font-size: 1.2rem; font-weight: 700; }
.admin-btn { padding: 8px 16px; border-radius: var(--radius-sm); border: none; background: var(--accent); color: white; font-weight: 600; cursor: pointer; font-family: var(--font); font-size: 0.85rem; transition: background 0.15s; }
.admin-btn:hover { background: var(--accent-hover); }
.admin-btn-sm { padding: 4px 8px; font-size: 0.75rem; }
.admin-btn-danger { background: var(--danger); }
.admin-btn-danger:hover { background: #dc2626; }
.admin-btn-warning { background: var(--warning); color: #1a1a2e; }
.admin-btn-warning:hover { filter: brightness(0.9); }
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.admin-table th { text-align: left; padding: 10px 12px; border-bottom: 2px solid var(--border-color); color: var(--text-muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.3px; white-space: nowrap; }
.admin-table td { padding: 8px 12px; border-bottom: 1px solid var(--border-color); vertical-align: middle; }
.admin-table tr:hover { background: var(--bg-hover); }
.admin-table input, .admin-table select { padding: 4px 8px; border-radius: 4px; border: 1px solid var(--border-color); background: var(--bg-tertiary); color: var(--text-primary); font-size: 0.8rem; font-family: var(--font); width: 100%; max-width: 200px; }
.admin-table input[type="text"] { min-width: 100px; }
.admin-log { background: var(--bg-tertiary); padding: 12px; border-radius: var(--radius-sm); font-family: 'Courier New', monospace; font-size: 0.75rem; max-height: 400px; overflow-y: auto; white-space: pre-wrap; color: var(--text-secondary); }
.source-form { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; padding: 16px; background: var(--bg-card); border-radius: var(--radius-md); border: 1px solid var(--border-color); align-items: flex-end; }
.source-form input, .source-form select { padding: 8px 12px; border-radius: var(--radius-sm); border: 1px solid var(--border-color); background: var(--bg-tertiary); color: var(--text-primary); font-family: var(--font); font-size: 0.85rem; }
.source-form input { min-width: 140px; }
.admin-actions { display: flex; gap: 4px; white-space: nowrap; }
@media (max-width: 768px) {
  .admin-layout { flex-direction: column; }
  .admin-sidebar { width: 100%; flex-direction: row; overflow-x: auto; padding-bottom: 8px; }
  .admin-nav-item { white-space: nowrap; font-size: 0.8rem; padding: 8px 12px; }
  .admin-table { font-size: 0.75rem; }
  .admin-table input, .admin-table select { max-width: 120px; }
  .source-form input { min-width: 100px; }
}