/* ============================================
   ACTIVATION ENERGY EXPLORER — Styles
   Uses only existing CSS variables from style.css
   ============================================ */

/* --- Explorer Layout --- */
.explorer-intro {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 600px;
  margin-bottom: 3rem;
}

.explorer-widget {
  margin: 2rem 0 3rem;
}

/* --- Slider --- */
.slider-section {
  margin-bottom: 2.5rem;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.8rem;
  font-family: var(--sans);
}

.slider-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-tertiary);
  font-weight: 600;
}

.slider-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--sans);
}

.slider-range {
  display: flex;
  justify-content: space-between;
  font-family: var(--sans);
  font-size: 0.65rem;
  color: var(--text-tertiary);
  margin-top: 0.4rem;
}

input[type="range"].cost-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  outline: none;
  cursor: pointer;
  --slider-fill: 0%;
}

input[type="range"].cost-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg);
  box-shadow: 0 1px 4px var(--shadow);
  cursor: grab;
  transition: box-shadow 0.2s;
}

input[type="range"].cost-slider::-webkit-slider-thumb:active {
  cursor: grabbing;
  box-shadow: 0 0 0 4px rgba(45, 90, 158, 0.15);
}

input[type="range"].cost-slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg);
  box-shadow: 0 1px 4px var(--shadow);
  cursor: grab;
}

input[type="range"].cost-slider::-moz-range-track {
  height: 6px;
  border-radius: 3px;
  background: var(--border);
}

input[type="range"].cost-slider::-moz-range-progress {
  height: 6px;
  border-radius: 3px;
  background: var(--accent);
}

/* Webkit fill via linear-gradient set by JS */

/* --- SVG Curve --- */
.curve-container {
  margin-bottom: 2.5rem;
  background: var(--bg-secondary);
  border-radius: 10px;
  border: 1px solid var(--border-light);
  padding: 1.5rem;
}

.curve-title {
  font-family: var(--sans);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-tertiary);
  font-weight: 600;
  margin-bottom: 1rem;
}

.curve-svg {
  width: 100%;
  height: auto;
  display: block;
}

.axis-line {
  stroke: var(--border);
  stroke-width: 1;
  fill: none;
}

.axis-label {
  font-family: var(--sans);
  font-size: 9px;
  fill: var(--text-tertiary);
}

.curve-line {
  stroke: var(--accent);
  stroke-width: 2;
  fill: none;
}

.curve-fill {
  fill: var(--accent);
  opacity: 0.08;
}

.marker-line {
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-dasharray: 4,3;
}

.marker-dot {
  fill: var(--accent);
  r: 5;
}

.marker-label {
  font-family: var(--sans);
  font-size: 10px;
  fill: var(--accent);
  font-weight: 600;
}

/* --- Sector Cards --- */
.sectors-section {
  margin-bottom: 2.5rem;
}

.sectors-label {
  font-family: var(--sans);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-tertiary);
  font-weight: 600;
  margin-bottom: 1rem;
}

.sector-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.sector-card {
  padding: 1.2rem 1rem;
  background: var(--bg-secondary);
  border-radius: 10px;
  border: 1px solid var(--border-light);
  text-align: center;
  transition: opacity 0.4s ease, filter 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.sector-card.dormant {
  opacity: 0.45;
  filter: grayscale(0.8);
}

.sector-card.active {
  opacity: 1;
  filter: grayscale(0);
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(45, 90, 158, 0.12);
}

[data-theme="dark"] .sector-card.active {
  box-shadow: 0 0 16px rgba(111, 163, 232, 0.15);
}

.sector-card.just-activated {
  animation: sector-activate 0.6s ease-out;
}

@keyframes sector-activate {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(45, 90, 158, 0.3); }
  40% { transform: scale(1.04); box-shadow: 0 0 20px rgba(45, 90, 158, 0.25); }
  100% { transform: scale(1); }
}

[data-theme="dark"] .sector-card.just-activated {
  animation: sector-activate-dark 0.6s ease-out;
}

@keyframes sector-activate-dark {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(111, 163, 232, 0.3); }
  40% { transform: scale(1.04); box-shadow: 0 0 20px rgba(111, 163, 232, 0.25); }
  100% { transform: scale(1); }
}

.sector-icon {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  line-height: 1;
}

.sector-name {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.3rem;
  line-height: 1.3;
}

.sector-threshold {
  font-family: var(--sans);
  font-size: 0.65rem;
  color: var(--text-tertiary);
}

.sector-market {
  font-family: var(--sans);
  font-size: 0.65rem;
  color: var(--accent);
  font-weight: 600;
  margin-top: 0.2rem;
}

/* --- Stats Row --- */
.explorer-stats .stat-grid {
  grid-template-columns: repeat(3, 1fr);
}

/* --- CTA Section --- */
.explorer-cta {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
}

.explorer-cta p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .sector-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .sector-grid {
    grid-template-columns: 1fr;
  }

  .slider-value {
    font-size: 1.2rem;
  }

  .curve-container {
    padding: 1rem;
  }

  .explorer-stats .stat-grid {
    grid-template-columns: 1fr;
  }
}