/* ============================================
   Reaction Trainer - Web Serial UI
   ============================================ */

.fx-serial-section {
  padding: var(--space-xl) 0;
}

.fx-serial-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
}

.fx-serial-card {
  background: var(--color-card-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fx-serial-card-controls,
.fx-serial-card-dashboard {
  position: relative;
}

.fx-serial-card-controls::before,
.fx-serial-card-dashboard::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(150deg, rgba(59, 130, 246, 0.07), transparent 40%);
}

.fx-serial-card > * {
  position: relative;
  z-index: 1;
}

.fx-serial-console {
  grid-column: 1 / -1;
}

.fx-serial-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.fx-serial-block {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.fx-serial-block-label {
  margin: 0;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.fx-serial-block-connect {
  background:
    linear-gradient(145deg, rgba(59, 130, 246, 0.12), rgba(59, 130, 246, 0.02) 45%),
    rgba(255, 255, 255, 0.02);
}

.fx-serial-block-advanced {
  opacity: 0.95;
}

.fx-status-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-muted);
  transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

.fx-status-pill.is-online {
  background: rgba(34, 197, 94, 0.18);
  color: #22c55e;
  box-shadow: 0 0 12px rgba(34, 197, 94, 0.25);
}

.fx-status-pill.is-offline {
  background: rgba(239, 68, 68, 0.16);
  color: #ef4444;
}

.fx-status-pill.is-connecting {
  background: rgba(234, 179, 8, 0.15);
  color: #facc15;
}

.fx-status-pill.is-error {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

.fx-serial-top-pill {
  margin-left: auto;
  margin-right: auto;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-muted);
  transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

.fx-serial-top-pill.is-online {
  background: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.35);
}

.fx-serial-top-pill.is-connecting {
  background: rgba(234, 179, 8, 0.15);
  color: #facc15;
}

.fx-serial-top-pill.is-offline {
  background: rgba(148, 163, 184, 0.12);
  color: var(--color-text-muted);
}

.fx-serial-top-pill.is-error {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

.fx-serial-port {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.fx-serial-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.fx-serial-actions {
  display: flex;
  gap: var(--space-sm);
}

.fx-serial-connect {
  position: relative;
  padding-right: 44px;
}

.fx-serial-btn-spinner {
  position: absolute;
  right: 16px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-top-color: transparent;
  opacity: 0;
  animation: fx-serial-spin 0.8s linear infinite;
}

.fx-serial-connect.is-connecting .fx-serial-btn-spinner {
  opacity: 1;
}

.fx-serial-connect.is-success {
  background: rgba(59, 130, 246, 0.2);
  color: #bfdbfe;
  box-shadow: 0 0 14px rgba(59, 130, 246, 0.35);
}

.fx-serial-secondary {
  display: none;
}

.fx-serial-helper {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.fx-serial-helper strong {
  color: var(--color-text-primary);
  font-size: var(--text-sm);
}

.fx-serial-helper span {
  font-size: var(--text-xs);
}

@keyframes fx-serial-spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .fx-serial-btn-spinner {
    animation: none;
  }
}

.fx-serial-support {
  font-size: var(--text-sm);
  color: #ef4444;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
}

.fx-serial-config {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.fx-serial-config-advanced {
  opacity: 1;
}

.fx-speed-toggle {
  display: inline-flex;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  overflow: hidden;
  background: var(--color-surface);
  width: fit-content;
}

.fx-speed-btn {
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  padding: 8px 14px;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.fx-speed-btn.is-active {
  background: rgba(59, 130, 246, 0.18);
  color: #bfdbfe;
}

.fx-serial-command-status {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.fx-zone-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(90px, 1fr));
  gap: 10px;
}

.fx-dashboard-hero-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.fx-dashboard-hero-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fx-dashboard-hero-card.is-accent {
  background:
    linear-gradient(150deg, rgba(59, 130, 246, 0.22), rgba(59, 130, 246, 0.04) 56%),
    var(--color-surface);
  border-color: rgba(59, 130, 246, 0.34);
}

.fx-dashboard-hero-card span {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.fx-dashboard-hero-card strong {
  font-size: clamp(1.1rem, 2.2vw, 1.42rem);
  line-height: 1.1;
  color: var(--color-text-primary);
}

.fx-dashboard-hero-card small {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.fx-dashboard-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: var(--space-md);
}

.fx-dashboard-zone-panel,
.fx-dashboard-insight-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.fx-dashboard-block-label {
  margin: 0;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.fx-zone-tile {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 88px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  text-decoration: none;
  color: var(--color-text-primary);
  transition: transform 0.2s var(--ease-out), background 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.fx-zone-tile:hover {
  transform: translateY(-1px);
  border-color: rgba(59, 130, 246, 0.35);
}

.fx-zone-label {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

/* In-tile hover micro-info */
.fx-zone-tile {
  flex-direction: column;
  gap: 0;
  position: relative;
}

.fx-zone-micro {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-text-muted, rgba(234, 242, 255, 0.55));
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 200ms ease, opacity 200ms ease, margin-top 200ms ease;
  margin-top: 0;
}

.fx-zone-tile:hover .fx-zone-micro {
  max-height: 40px;
  opacity: 1;
  margin-top: 4px;
}

.fx-zone-micro-row {
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.3;
}

.fx-zone-micro-row strong {
  color: var(--color-text-primary, #eaf2ff);
  font-weight: 700;
}

.fx-zone-tile.is-active {
  border-color: rgba(59, 130, 246, 0.5);
  background: rgba(59, 130, 246, 0.16);
}

.fx-zone-tile.is-hit-correct {
  border-color: rgba(34, 197, 94, 0.5);
  background: rgba(34, 197, 94, 0.16);
}

.fx-zone-tile.is-hit-wrong {
  border-color: rgba(239, 68, 68, 0.5);
  background: rgba(239, 68, 68, 0.16);
}

.fx-go-indicator {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.fx-go-indicator.is-go {
  color: #93c5fd;
}

.fx-go-indicator.is-nogo {
  color: #fca5a5;
}

.fx-high-score-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.fx-high-score-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fx-high-score-label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fx-high-score-card strong {
  font-size: var(--text-sm);
  color: var(--color-text-primary);
}

.fx-serial-dashboard {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.fx-serial-metric {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.fx-serial-metric span {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.fx-serial-metric strong {
  font-size: 1.1rem;
  color: var(--color-text-primary);
}

.fx-serial-metric small {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.fx-serial-console-controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.fx-serial-filter {
  margin-top: -4px;
}

.fx-serial-console-window {
  background: rgba(8, 12, 20, 0.82);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0;
  min-height: 220px;
  max-height: 320px;
  overflow: auto;
}

:root[data-theme='light'] .fx-serial-console-window {
  background: rgba(248, 250, 254, 0.85);
}

.fx-last-rep-strip {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.fx-event-log-window {
  overflow: auto;
}

.fx-event-log-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  color: var(--color-text-primary);
}

.fx-event-log-table th,
.fx-event-log-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  white-space: nowrap;
}

.fx-event-log-table th {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.02);
  position: sticky;
  top: 0;
  z-index: 1;
}

.fx-event-log-table tbody tr:hover {
  background: rgba(59, 130, 246, 0.06);
}

.fx-event-log-empty {
  text-align: center !important;
  color: var(--color-text-muted);
  padding: 26px 12px !important;
}

.fx-event-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: var(--text-xs);
  font-weight: 700;
}

.fx-event-badge.is-good {
  background: rgba(34, 197, 94, 0.16);
  border-color: rgba(34, 197, 94, 0.32);
  color: #4ade80;
}

.fx-event-badge.is-bad {
  background: rgba(239, 68, 68, 0.16);
  border-color: rgba(239, 68, 68, 0.32);
  color: #fca5a5;
}

.fx-event-badge.is-warn {
  background: rgba(234, 179, 8, 0.16);
  border-color: rgba(234, 179, 8, 0.32);
  color: #fcd34d;
}

.fx-event-badge.is-neutral {
  background: rgba(148, 163, 184, 0.15);
  border-color: rgba(148, 163, 184, 0.28);
  color: #cbd5e1;
}

@media (max-width: 980px) {
  .fx-serial-grid {
    grid-template-columns: 1fr;
  }

  .fx-dashboard-hero-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fx-dashboard-grid {
    grid-template-columns: 1fr;
  }

  .fx-serial-config {
    grid-template-columns: 1fr;
  }

  .fx-serial-dashboard {
    grid-template-columns: 1fr;
  }

  .fx-high-score-strip {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .fx-serial-console-window {
    scroll-behavior: auto;
  }
}