:root {
  --terminal-base: #131722;
  --terminal-panel: #171b26;
  --terminal-border: #2a2e39;
  --terminal-muted: #787b86;
  --terminal-text: #d1d4dc;
  --terminal-green: #26a69a;
  --terminal-red: #ef5350;
  --terminal-blue: #2962ff;
  --terminal-amber: #f0b90b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--terminal-base);
  color: var(--terminal-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  min-height: 100vh;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--terminal-border);
}

.header__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header__logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--terminal-border);
  background: #fff;
  object-fit: contain;
  padding: 4px;
}

.header__eyebrow {
  margin: 0;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--terminal-blue);
}

.header__title {
  margin: 4px 0 0;
  font-size: 18px;
  font-weight: 600;
}

.header__updated {
  margin: 0;
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--terminal-muted);
  text-transform: uppercase;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--terminal-border);
}

.filter-chip {
  border: 1px solid var(--terminal-border);
  background: var(--terminal-panel);
  color: var(--terminal-muted);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.filter-chip:hover {
  color: var(--terminal-text);
}

.filter-chip.active {
  background: var(--terminal-blue);
  border-color: var(--terminal-blue);
  color: #fff;
}

.feed {
  max-width: 780px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feed__loading,
.feed__empty {
  color: var(--terminal-muted);
  text-align: center;
  padding: 40px 0;
  font-size: 13px;
}

.card {
  background: var(--terminal-panel);
  border: 1px solid var(--terminal-border);
  border-radius: 10px;
  padding: 14px 16px;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: border-color 0.15s ease;
}

.card:hover {
  border-color: var(--terminal-blue);
}

.card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.card__source {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 5px;
  background: rgba(41, 98, 255, 0.15);
  color: var(--terminal-blue);
}

.card__source--impacto-alto {
  background: rgba(239, 83, 80, 0.15);
  color: var(--terminal-red);
}

.card__date {
  font-size: 10px;
  color: var(--terminal-muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  white-space: nowrap;
}

.card__title {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--terminal-text);
}

.card__summary {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--terminal-muted);
}

.card--video {
  display: flex;
  gap: 12px;
}

.card--video .card__thumb {
  width: 96px;
  height: 72px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
}

.card--video .card__body {
  flex: 1;
  min-width: 0;
}

.footer {
  text-align: center;
  padding: 24px 20px 40px;
  color: var(--terminal-muted);
  font-size: 11px;
  max-width: 780px;
  margin: 0 auto;
}

@media (max-width: 520px) {
  .header {
    padding: 14px;
  }
  .feed {
    padding: 14px;
  }
}