:root {
  --bg-primary: #0D1117;
  --bg-card: #1E242C;
  --bg-elevated: #252C35;
  --text-primary: #E6EDF3;
  --text-secondary: #8B949E;
  --text-muted: #6E7681;
  --accent-neon-green: #00F5A0;
  --accent-cyan: #00D9FF;
  --accent-glow: rgba(0, 245, 160, 0.3);
  --accent-cyan-glow: rgba(0, 217, 255, 0.3);
  --error: #FF4444;
  --shadow-glow: 0 0 20px var(--accent-glow);
  --shadow-cyan-glow: 0 0 20px var(--accent-cyan-glow);
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.4);
  --border-card: 1px solid rgba(230, 237, 243, 0.1);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  color-scheme: dark;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(1200px 600px at 10% 20%, rgba(15,30,60,0.65), transparent 12%),
              radial-gradient(900px 500px at 90% 80%, rgba(6,25,45,0.5), transparent 18%),
              linear-gradient(180deg, #071025 0%, #0b1b2d 40%, #071324 100%);
  color: var(--text-primary);
  overflow: hidden;
  line-height: 1.6;
}

body > canvas {
  position: fixed !important;
  inset: 0;
  width: 100vw !important;
  height: 100vh !important;
  z-index: 1 !important;
}

.overlay-2d {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 10;
  pointer-events: none;
  cursor: move;
}

.overlay-2d.draggable {
  cursor: grab;
}

.overlay-2d.dragging {
  cursor: grabbing;
  opacity: 0.9;
}

.overlay-2d .container {
  pointer-events: auto;
  background: var(--bg-card);
  border: var(--border-card);
  border-radius: 16px;
  padding: 20px;
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow-card), 0 0 1px var(--accent-neon-green);
}

.grid-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: stretch;
}

.grid-interaction-row {
  display: flex;
  align-items: stretch;
  gap: 12px;
}

.grid-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-bottom: 4px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(28, 1fr);
  gap: 1px;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 12px;
  padding: 10px;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8), 0 0 1px var(--accent-cyan);
  touch-action: none;
  border: 1px solid rgba(0, 245, 160, 0.2);
}

.grid-cell {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: rgba(230, 237, 243, 0.03);
  transition: all 0.15s ease;
}

.grid-cell:hover {
  transform: scale(1.1);
}

.grid-cell.active {
  box-shadow: 0 0 8px var(--accent-neon-green);
}

.digit-button-column {
  display: grid;
  grid-template-rows: repeat(10, 1fr);
  gap: 8px;
  width: 52px;
  height: 100%;
  margin-top: 12px;
  pointer-events: auto;
}

.digit-button {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-neon-green);
  border: 2px solid var(--accent-neon-green);
  border-radius: 10px;
  color: var(--bg-primary);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  box-shadow: 0 0 10px var(--accent-glow);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.digit-button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.digit-button:hover::before {
  transform: translateX(100%);
}

.digit-button:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: var(--shadow-glow), 0 4px 20px var(--accent-glow);
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.digit-button:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 0 15px var(--accent-glow);
}

.reset-button-container {
  position: absolute;
  top: 330px;
  left: 24px;
  z-index: 12;
}

#resetBtn {
  pointer-events: auto;
  background: var(--error);
  color: var(--text-primary);
  border: 2px solid var(--error);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 24px;
  cursor: pointer;
  box-shadow: 0 0 15px rgba(255, 68, 68, 0.4);
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

#resetBtn:hover {
  transform: translateY(-2px) rotate(90deg) scale(1.1);
  box-shadow: 0 0 25px rgba(255, 68, 68, 0.6);
  background: #FF6666;
}

#resetBtn:active {
  transform: translateY(0) rotate(90deg) scale(1);
}

.prediction-overlay {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 10;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-end;
  cursor: move;
}

.prediction-overlay.draggable {
  cursor: grab;
}

.prediction-overlay.dragging {
  cursor: grabbing;
  opacity: 0.9;
}

.prediction-container,
.network-info-panel {
  pointer-events: auto;
  min-width: 280px;
  max-width: 340px;
  background: var(--bg-card);
  border-radius: 16px;
  border: var(--border-card);
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow-card), 0 0 1px var(--accent-cyan);
  padding: 20px;
}

.prediction-container {
  padding: 20px;
}

.neuron-detail-panel {
  position: fixed;
  top: var(--neuron-panel-top, 416px);
  left: 16px;
  width: min(420px, calc(100vw - 32px));
  height: var(--neuron-panel-max-height, calc(100vh - var(--neuron-panel-top, 416px) - 24px));
  max-height: var(--neuron-panel-max-height, calc(100vh - var(--neuron-panel-top, 416px) - 24px));
  z-index: 12;
  pointer-events: none;
  display: none;
  transform: none;
  overflow: hidden;
}

.neuron-detail-panel.visible {
  display: block;
  pointer-events: auto;
}

.neuron-detail-panel__inner {
  pointer-events: auto;
  background: rgba(10, 16, 30, 0.92);
  border-radius: 20px;
  border: 1px solid rgba(91, 160, 255, 0.35);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(18px);
  padding: 18px 24px 20px;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
}

.neuron-detail-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.neuron-detail-panel__title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(173, 205, 255, 0.9);
}

.neuron-detail-panel__close {
  background: rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(59, 130, 246, 0.45);
  color: rgba(227, 238, 255, 0.9);
  border-radius: 12px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.18s ease, transform 0.18s ease;
}

.neuron-detail-panel__close:hover {
  background: rgba(59, 130, 246, 0.35);
  transform: translateY(-1px);
}

.neuron-detail-panel__body {
  overflow-y: auto;
  padding-right: 6px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  flex: 1 1 auto;
}

.neuron-detail-panel__summary {
  font-size: 0.95rem;
  color: rgba(198, 212, 255, 0.86);
  line-height: 1.5;
  margin-bottom: 12px;
}

.neuron-detail-panel__totals {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

.neuron-detail-panel__activations {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  font-size: 0.85rem;
  color: rgba(173, 205, 255, 0.8);
}

.neuron-detail-panel__activations span {
  background: rgba(24, 32, 56, 0.75);
  border-radius: 10px;
  padding: 6px 10px;
}

.neuron-detail-panel__section-title {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(173, 205, 255, 0.7);
  margin-bottom: 6px;
}

.neuron-detail-panel__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.neuron-detail-panel__row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 12px;
  padding: 8px 12px;
  border-radius: 12px;
  background: rgba(24, 32, 56, 0.55);
  margin-bottom: 6px;
  align-items: center;
}

.neuron-detail-panel__row--header {
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(173, 205, 255, 0.7);
  background: rgba(24, 32, 56, 0.75);
}

.neuron-detail-panel__row strong {
  color: rgba(227, 238, 255, 0.92);
}

.neuron-detail-panel__row small {
  color: rgba(173, 205, 255, 0.65);
}

.neuron-detail-panel__row--total {
  background: rgba(34, 148, 103, 0.35);
  border: 1px solid rgba(34, 197, 94, 0.35);
}

.neuron-detail-panel__row--bias {
  background: rgba(49, 46, 129, 0.35);
  border: 1px solid rgba(129, 140, 248, 0.35);
}

.neuron-detail-panel__empty {
  padding: 16px 12px;
  font-size: 0.86rem;
  color: rgba(173, 205, 255, 0.75);
  background: rgba(24, 32, 56, 0.55);
  border-radius: 12px;
}

.prediction-container h3,
.network-info-panel__title {
  margin: 0 0 16px;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  text-align: center;
  font-weight: 700;
}

.prediction-chart {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.prediction-bar-container {
  display: grid;
  grid-template-columns: 24px 1fr 68px;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.prediction-label {
  font-size: 0.9rem;
  font-weight: 700;
  width: 24px;
  text-align: right;
  color: var(--text-secondary);
}

.prediction-bar-track {
  flex: 1;
  height: 24px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(230, 237, 243, 0.08);
}

.prediction-bar {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: var(--accent-cyan);
  box-shadow: 0 0 12px var(--accent-cyan-glow);
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.prediction-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.prediction-bar.highest {
  background: var(--accent-neon-green);
  box-shadow: var(--shadow-glow);
}

.prediction-percentage {
  width: 68px;
  font-size: 0.85rem;
  color: var(--text-primary);
  text-align: right;
  font-weight: 600;
}

.network-info-panel {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.network-info-panel__title {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(198, 212, 255, 0.9);
  text-align: center;
}

.network-info-panel__summary {
  display: grid;
  gap: 8px;
  font-size: 0.83rem;
  color: rgba(173, 205, 255, 0.78);
}

.network-info-panel__summary-line {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.network-info-panel__summary-line strong {
  font-weight: 600;
  color: rgba(227, 238, 255, 0.9);
}

.network-info-panel__layers {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.network-info-panel__layer {
  padding: 10px 12px;
  background: rgba(18, 26, 48, 0.9);
  border-radius: 12px;
  border: 1px solid rgba(91, 160, 255, 0.2);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.network-info-panel__layer-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(227, 238, 255, 0.9);
}

.network-info-panel__layer-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  font-size: 0.78rem;
  color: rgba(173, 205, 255, 0.72);
}

.network-info-panel__metric {
  display: inline-flex;
  gap: 4px;
  align-items: baseline;
}

.network-info-panel__metric-label {
  color: rgba(173, 205, 255, 0.6);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}

.network-info-panel__empty {
  font-size: 0.82rem;
  color: rgba(173, 205, 255, 0.7);
  text-align: center;
  padding: 16px 12px;
  background: rgba(10, 16, 30, 0.65);
  border-radius: 12px;
  border: 1px dashed rgba(91, 160, 255, 0.35);
}

.instructions-overlay {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9;
  pointer-events: none;
}

.fps-overlay {
  position: absolute;
  bottom: 18px;
  left: 18px;
  z-index: 11;
  padding: 6px 12px;
  border-radius: 12px;
  background: rgba(10, 16, 30, 0.88);
  border: 1px solid rgba(91, 160, 255, 0.35);
  color: rgba(225, 235, 255, 0.9);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  font-weight: 600;
  text-transform: uppercase;
  pointer-events: none;
  backdrop-filter: blur(18px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}

.fps-overlay__value {
  display: inline-block;
  min-width: 56px;
  text-align: center;
}

.instructions-container {
  pointer-events: auto;
  background: var(--bg-card);
  border-radius: 12px;
  padding: 14px 20px;
  border: var(--border-card);
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow-card);
}

.instructions-content p {
  margin: 4px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.instructions-content strong {
  color: var(--accent-cyan);
  font-weight: 700;
}

.mobile-instructions-overlay {
  display: none;
}

.floating-controls {
  position: absolute;
  bottom: 24px;
  right: 24px;
  display: flex;
  gap: 14px;
  z-index: 11;
}

.floating-button {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid var(--accent-neon-green);
  background: var(--bg-card);
  color: var(--accent-neon-green);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
  backdrop-filter: blur(24px);
  box-shadow: 0 0 15px var(--accent-glow);
}

.floating-button span {
  pointer-events: none;
  font-size: 1.1rem;
}

.floating-button:hover {
  transform: translateY(-3px) scale(1.08);
  box-shadow: var(--shadow-glow), 0 6px 25px var(--accent-glow);
  background: var(--accent-neon-green);
  color: var(--bg-primary);
}

.info-button span {
  font-size: 1.25rem;
}

.advanced-settings-button {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.advanced-settings-button:hover {
  background: var(--accent-cyan);
  box-shadow: var(--shadow-cyan-glow), 0 6px 25px var(--accent-cyan-glow);
}

.advanced-settings-button span {
  font-size: 1.3rem;
}

.timeline-overlay {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 14;
  pointer-events: none;
}

.timeline-overlay.hidden {
  display: none;
}

.timeline-container {
  pointer-events: auto;
  width: min(680px, calc(100vw - 56px));
  background: var(--bg-card);
  border-radius: 16px;
  padding: 16px 20px 20px;
  border: var(--border-card);
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow-card), 0 0 1px var(--accent-cyan);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.timeline-title {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--accent-cyan);
  font-weight: 700;
}

.timeline-summary {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent-neon-green);
}

.timeline-slider {
  width: 100%;
  appearance: none;
  height: 6px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.6);
  outline: none;
  transition: background 0.2s ease;
  border: 1px solid rgba(0, 245, 160, 0.2);
}

.timeline-slider:focus-visible {
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.timeline-slider::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-neon-green);
  border: 2px solid var(--bg-primary);
  box-shadow: var(--shadow-glow);
  cursor: pointer;
  transition: all var(--transition);
}

.timeline-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 25px var(--accent-glow);
}

.timeline-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-neon-green);
  border: 2px solid var(--bg-primary);
  box-shadow: var(--shadow-glow);
  cursor: pointer;
  transition: all var(--transition);
}

.timeline-slider::-moz-range-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 25px var(--accent-glow);
}

.timeline-slider::-moz-range-track {
  height: 6px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(0, 245, 160, 0.2);
}

.timeline-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.timeline-label {
  font-weight: 700;
  color: var(--text-primary);
}

.timeline-metrics {
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--text-secondary);
  font-weight: 500;
}

.timeline-metrics--empty {
  opacity: 0.6;
}

.info-modal,
.advanced-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 20;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  padding: 28px;
}

.info-modal.visible {
  opacity: 1;
  pointer-events: auto;
}

.info-modal-content {
  max-width: 740px;
  width: 100%;
  background: var(--bg-card);
  border: var(--border-card);
  border-radius: 20px;
  padding: 28px 32px;
  box-shadow: var(--shadow-card), 0 0 2px var(--accent-cyan);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-height: 90vh;
  overflow-y: auto;
}

.info-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(230, 237, 243, 0.1);
}

.info-modal-header h3 {
  margin: 0;
  font-size: 1.4rem;
  letter-spacing: 0.02em;
  color: var(--accent-cyan);
  font-weight: 700;
}

.close-modal-btn {
  background: rgba(255, 68, 68, 0.1);
  border: 1px solid var(--error);
  color: var(--error);
  font-size: 1.6rem;
  cursor: pointer;
  transition: all var(--transition);
  border-radius: 10px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  line-height: 1;
}

.close-modal-btn:hover {
  background: var(--error);
  color: var(--text-primary);
  box-shadow: 0 0 20px rgba(255, 68, 68, 0.5);
  transform: scale(1.1);
}

.info-modal-body h4 {
  margin: 20px 0 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--accent-neon-green);
  font-weight: 700;
}

.info-modal-body p,
.info-modal-body li {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

.info-modal-body strong {
  color: var(--accent-cyan);
  font-weight: 700;
}

.info-modal-body ul {
  padding-left: 20px;
  display: grid;
  gap: 8px;
}

.advanced-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding-bottom: calc(28px + 52px + 16px);
  z-index: 22;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease;
}

.advanced-modal.visible {
  opacity: 1;
  pointer-events: auto;
}

.advanced-modal-content {
  width: min(360px, 90vw);
  background: var(--bg-card);
  border: var(--border-card);
  border-radius: 20px;
  padding: 24px 26px;
  box-shadow: var(--shadow-card), 0 0 2px var(--accent-cyan);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.advanced-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.advanced-modal-header h3 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: 0.03em;
  color: var(--accent-cyan);
  font-weight: 700;
}

.advanced-modal-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.advanced-control {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.advanced-label {
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-weight: 600;
}

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

#connectionLimitSlider,
#weightThreshold,
#connectionThickness,
#brushSize,
#brushStrength {
  flex: 1;
  accent-color: var(--accent-neon-green);
}

.advanced-value {
  min-width: 42px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--accent-neon-green);
}

.advanced-hint {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.mnist-images-container {
  display: none;
}

.error-text {
  margin: 0;
  padding: 12px 0;
  text-align: center;
  color: #FFB800;
  font-size: 0.95rem;
  font-weight: 600;
}

.github-link {
  position: fixed;
  bottom: 4px;
  right: 12px;
  z-index: 24;
  font-size: 0.58rem;
  letter-spacing: 0.005em;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.github-link:hover {
  color: var(--accent-cyan);
  text-decoration: underline;
}

button {
  font-family: inherit;
}

@media (max-width: 900px) {
  .overlay-2d {
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
  }

  .reset-button-container {
    top: auto;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
  }

  .prediction-overlay {
    top: auto;
    right: 50%;
    bottom: 96px;
    transform: translateX(50%);
  }

  .instructions-overlay {
    display: none;
  }

  .mobile-instructions-overlay {
    position: absolute;
    bottom: 96px;
    left: 50%;
    transform: translateX(-50%);
    display: block;
    z-index: 10;
    pointer-events: none;
  }

  .mobile-instructions-content {
    pointer-events: auto;
    background: var(--bg-card);
    border-radius: 16px;
    padding: 16px 20px;
    border: var(--border-card);
    backdrop-filter: blur(24px);
    box-shadow: var(--shadow-card);
    color: var(--text-secondary);
    text-align: left;
  }
  
  .mobile-instructions-title {
    font-weight: 700;
    color: var(--accent-cyan);
    margin-bottom: 8px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }

  .mobile-gesture-list {
    margin: 8px 0 0;
    padding-left: 16px;
    display: grid;
    gap: 4px;
    font-size: 0.9rem;
  }

  .grid {
    gap: 1px;
    padding: 6px;
  }

  .grid-cell {
    width: 8px;
    height: 8px;
  }

  .timeline-overlay {
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 32px);
  }

  .timeline-container {
    width: 100%;
    gap: 10px;
  }

  .timeline-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .timeline-metrics {
    text-align: left;
  }
  
  .prediction-container,
  .network-info-panel {
    min-width: 240px;
    max-width: 280px;
  }
  
  .floating-controls {
    bottom: 16px;
    right: 16px;
    gap: 12px;
  }
  
  .floating-button {
    width: 48px;
    height: 48px;
  }
}

/* Tablet styles */
@media (max-width: 1200px) and (min-width: 901px) {
  .prediction-container,
  .network-info-panel {
    min-width: 260px;
    max-width: 300px;
  }
  
  .overlay-2d {
    top: 12px;
    left: 12px;
  }
  
  .prediction-overlay {
    top: 12px;
    right: 12px;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .overlay-2d .container {
    padding: 14px 16px;
  }
  
  .grid-cell {
    width: 6px !important;
    height: 6px !important;
  }
  
  .digit-button-column {
    width: 42px;
    gap: 6px;
  }
  
  .digit-button {
    font-size: 0.9rem;
  }
  
  .prediction-container h3 {
    font-size: 0.8rem;
  }
  
  .prediction-bar-track {
    height: 20px;
  }
  
  .floating-button {
    width: 44px;
    height: 44px;
  }
  
  .floating-button span {
    font-size: 1rem;
  }
}

/* Legacy visualizer styles (fallback for non-WebGL environments) */
.legacy-visualizer {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}
.legacy-visualizer__wrapper {
  display: flex;
  gap: 18px;
  padding: 24px;
  background: rgba(10, 16, 30, 0.6);
  border: 1px solid rgba(255,255,255,0.03);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
}
.legacy-layer {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  padding: 6px;
}
.legacy-neuron {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(230,237,243,0.03);
  transition: all 0.12s ease;
}