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

:root {
  --bg: #f5f6fa;
  --surface: #ffffff;
  --border: #e8eaef;
  --text-primary: #1a1d23;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --accent-comp: #2563eb;
  --accent-client: #059669;
  --accent-comp-light: #eff6ff;
  --accent-client-light: #f0fdf4;
  --shadow: 0 1px 4px rgba(0,0,0,0.08), 0 4px 16px rgba(0,0,0,0.04);
  --radius: 12px;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
}

/* ─── Header ─── */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.logo-icon { font-size: 22px; }
.logo-accent { color: var(--accent-comp); }

.header-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.refresh-btn {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.15s;
}
.refresh-btn:hover { background: var(--border); color: var(--text-primary); }

/* ─── Tabs ─── */
.tabs {
  display: flex;
  padding: 0 24px;
  gap: 4px;
}

.tab {
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tab:hover { color: var(--text-primary); }

.tab.active[data-tab="competitors"] {
  color: var(--accent-comp);
  border-bottom-color: var(--accent-comp);
}
.tab.active[data-tab="clients"] {
  color: var(--accent-client);
  border-bottom-color: var(--accent-client);
}

.tab-count {
  background: var(--bg);
  border-radius: 20px;
  padding: 1px 8px;
  font-size: 12px;
  font-weight: 600;
}

/* ─── Panels & Grid ─── */
main { padding: 24px; }

.panel { display: none; }
.panel.active { display: block; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}

/* ─── Cards ─── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: box-shadow 0.2s;
}
.card:hover { box-shadow: 0 4px 24px rgba(0,0,0,0.1); }

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

.card-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  object-fit: contain;
  flex-shrink: 0;
}

.card-logo-fallback {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--accent-comp-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-comp);
  flex-shrink: 0;
}

.card-title-group { flex: 1; min-width: 0; }
.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-updated {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.card-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 20px;
  flex-shrink: 0;
}
.badge-comp { background: var(--accent-comp-light); color: var(--accent-comp); }
.badge-client { background: var(--accent-client-light); color: var(--accent-client); }

/* ─── Articles ─── */
.card-body { padding: 0; }

.article {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}
.article:last-child { border-bottom: none; }
.article:hover { background: var(--bg); }

.article a {
  text-decoration: none;
  color: inherit;
  display: block;
}

.article-title {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.article-meta {
  font-size: 11px;
  color: var(--text-muted);
}

.no-news {
  padding: 20px 16px;
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}

/* ─── Loading & States ─── */
.loading {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
  font-size: 14px;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  main { padding: 12px; }
  .grid { grid-template-columns: 1fr; gap: 12px; }
  .header-inner { padding: 12px 16px; }
  .tabs { padding: 0 12px; }
}