/* ================================================
   AI TOOLS PAGE — ai-tools.css
   ================================================ */

/* === MINI HERO === */
.ai-hero {
  position: relative;
  z-index: 1;
  padding: 7rem 0 3rem;
  text-align: center;
}

.ai-hero__title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  margin-bottom: 0.75rem;
}

.ai-hero__subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.ai-hero__live-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--green-glow);
  border: 1px solid rgba(46, 204, 113, 0.25);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}

.ai-hero__live-badge.cached {
  background: rgba(243, 156, 18, 0.1);
  border-color: rgba(243, 156, 18, 0.25);
  color: var(--orange);
}

.ai-hero__live-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: livePulse 1.5s ease-in-out infinite;
}

.ai-hero__live-badge.cached .ai-hero__live-dot {
  background: var(--orange);
}

@keyframes livePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

/* === KPI CARDS === */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1rem;
}

.kpi-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.kpi-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
  transition: border-color var(--transition);
}

.kpi-card:hover { border-color: var(--border-orange); }

.kpi-card__label {
  display: block;
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.kpi-card__value {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
}

.kpi-card__sub {
  display: block;
  font-size: 0.6875rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.kpi--green { color: var(--green); }
.kpi--red { color: var(--red); }

/* Skeleton loading */
.skeleton-text {
  position: relative;
  color: transparent !important;
}
.skeleton-text::after {
  content: '';
  position: absolute;
  inset: 20% 15%;
  background: linear-gradient(90deg, rgba(255,255,255,0.04) 25%, rgba(255,255,255,0.08) 50%, rgba(255,255,255,0.04) 75%);
  background-size: 200% 100%;
  border-radius: 4px;
  animation: shimmer 1.5s ease-in-out infinite;
}
.skeleton-text.loaded { color: inherit !important; }
.skeleton-text.loaded::after { display: none; }

.skeleton-row {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem !important;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* === CHARTS === */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.chart-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.chart-card--wide { max-width: 100%; }

.chart-card__title {
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.chart-card__wrap { position: relative; height: 300px; }
.chart-card__wrap--tall { height: 350px; }

/* === HEATMAP === */
.heatmap-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.heatmap-month-select {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-family: inherit;
  font-size: 0.875rem;
  cursor: pointer;
}

.heatmap-wrap {
  overflow-x: auto;
}

.heatmap-grid {
  display: grid;
  gap: 2px;
  min-width: 700px;
}

.heatmap-grid__header {
  font-size: 0.625rem;
  color: var(--text-muted);
  text-align: center;
  padding: 0.25rem;
}

.heatmap-grid__asset {
  font-size: 0.6875rem;
  color: var(--text-secondary);
  font-weight: 600;
  display: flex;
  align-items: center;
  padding-right: 0.5rem;
}

.heatmap-grid__cell {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 3px;
  position: relative;
  cursor: default;
  min-width: 16px;
  min-height: 16px;
}

.heatmap-grid__cell[title]:hover {
  outline: 2px solid var(--orange);
  z-index: 1;
}

.heatmap-legend {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.heatmap-legend__item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.heatmap-legend__box {
  width: 14px;
  height: 14px;
  border-radius: 3px;
}

/* === BOT ASSETS TAG === */
.tool-card__assets {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-style: italic;
}

/* === ACTIVE NAV LINK === */
.navbar__links a.active {
  color: var(--orange);
}
.navbar__links a.active::after {
  width: 100%;
}

/* === RESPONSIVE === */
@media (max-width: 1023px) {
  .charts-grid { grid-template-columns: 1fr; }
  .kpi-grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .kpi-card__value { font-size: 1.25rem; }
  .chart-card__wrap { height: 250px; }
  .heatmap-header { flex-direction: column; gap: 1rem; align-items: flex-start; }
}