@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600&display=swap");

:root {
  --cg-font-size-xs: 0.75rem;
  --cg-font-size-sm: 0.8125rem;
  --cg-font-size-body: 0.9375rem;
  --cg-text-primary: #f8fafc;
  --cg-text-muted: #b6c1d1;
  --cg-text-subtle: #94a3b8;
  --cg-radius-panel: 24px;
  --cg-radius-control: 12px;
  --cg-space-1: 0.25rem;
  --cg-space-2: 0.5rem;
  --cg-space-3: 0.75rem;
  --cg-space-4: 1rem;
}

body {
  margin: 0;
  background: radial-gradient(ellipse 120% 80% at 50% 20%, #1a1f2e 0%, #0f1115 45%, #08090c 100%);
  font-family: "Space Grotesk", sans-serif;
}
#brain-canvas {
  touch-action: none;
}
#brain-canvas canvas {
  display: block;
}
.glass-panel {
  background: rgba(20, 24, 32, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--cg-radius-panel);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.glass-panel--info {
  border-color: rgba(148, 163, 184, 0.24);
}
.glass-panel--warning {
  border-color: rgba(251, 191, 36, 0.35);
}
.thin-scroll::-webkit-scrollbar {
  width: 4px;
}
.thin-scroll::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
}
input[type="range"] {
  accent-color: #fff;
}
.accent-text {
  color: #f1f5f9;
}
.sub-text {
  color: var(--cg-text-subtle);
}
.analysis-panel {
  background: rgba(15, 18, 26, 0.88);
  border-color: rgba(255, 255, 255, 0.12);
  min-width: 17rem;
  max-height: calc(100vh - 8rem);
  overflow-y: auto;
  overscroll-behavior: contain;
  z-index: 1;
}
@media (min-width: 1025px) {
  .cognigraph-middle-col .analysis-panel {
    transition: opacity 0.28s ease;
  }
  .cognigraph-middle-col .analysis-panel.analysis-panel--recessed {
    opacity: 0.48;
  }
}
.cognigraph-input-panel {
  max-height: calc(100vh - 3rem);
  overflow: hidden;
  position: relative;
  z-index: 5;
}
.cognigraph-settings-body {
  min-height: 0;
  flex: 0 1 auto;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.cognigraph-settings-body::-webkit-scrollbar,
.analysis-panel::-webkit-scrollbar {
  width: 6px;
}
.cognigraph-settings-body::-webkit-scrollbar-thumb,
.analysis-panel::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.35);
  border-radius: 3px;
}
.analysis-label {
  color: #d4deea;
  font-size: var(--cg-font-size-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
}
.analysis-body {
  color: #ecf2fb;
  font-size: var(--cg-font-size-sm);
  line-height: 1.55;
}
.analysis-value {
  color: var(--cg-text-primary);
  font-size: var(--cg-font-size-body);
  font-weight: 600;
}
button {
  transition: all 0.2s ease;
}
button:hover {
  transform: translateY(-1px);
}
button:active {
  transform: translateY(1px);
}
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 2px solid rgba(148, 199, 255, 0.95);
  outline-offset: 2px;
}
@media (max-width: 1024px) {
  .cognigraph-shell {
    padding: 0.75rem !important;
  }
  .cognigraph-top-row {
    flex-direction: column;
    align-items: stretch !important;
  }
  .cognigraph-input-panel {
    width: 100% !important;
    max-width: 100% !important;
  }
  #prompt {
    min-height: 4.5rem !important;
    height: auto !important;
  }
  #simulate-btn {
    position: sticky;
    bottom: 0;
    z-index: 6;
    box-shadow: 0 -8px 24px rgba(8, 9, 12, 0.85);
  }
  .cognigraph-middle-col {
    position: relative !important;
    min-height: 0;
  }
  .cognigraph-middle-col .analysis-panel,
  .cognigraph-middle-col .cognigraph-signatures-panel {
    position: relative !important;
    top: auto !important;
    right: auto !important;
    left: auto !important;
    transform: none !important;
    width: 100% !important;
    max-width: 100% !important;
    margin-bottom: 0.75rem;
  }
  .cognigraph-bottom-row {
    flex-direction: column;
    align-items: stretch !important;
  }
  .cognigraph-bottom-row .cognigraph-spacer {
    display: none;
  }
  .cognigraph-bottom-row .cognigraph-timeline-panel {
    max-width: 100% !important;
    order: -1;
  }
  .cognigraph-bottom-row .cognigraph-log-panel {
    width: 100% !important;
    height: auto;
    min-height: 6rem;
  }
}

/* Analyze loading spinner (paired with .cg-analyze-loading on button) */
@keyframes cg-spin {
  to {
    transform: rotate(360deg);
  }
}
#simulate-btn.cg-analyze-loading {
  position: relative;
  padding-left: 2rem;
}
#simulate-btn.cg-analyze-loading::before {
  content: "";
  position: absolute;
  left: 0.75rem;
  top: 50%;
  width: 0.85rem;
  height: 0.85rem;
  margin-top: -0.425rem;
  border: 2px solid rgba(15, 23, 42, 0.35);
  border-top-color: rgba(15, 23, 42, 0.95);
  border-radius: 50%;
  animation: cg-spin 0.7s linear infinite;
}

/* Toasts */
.cg-toast-stack {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 80;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
  max-width: min(22rem, calc(100vw - 2rem));
  pointer-events: none;
}
.cg-toast-stack .cg-toast {
  pointer-events: auto;
}
.cg-toast {
  background: rgba(15, 18, 26, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--cg-radius-control);
  padding: 0.65rem 0.85rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: var(--cg-font-size-sm);
  line-height: 1.5;
  color: #f0f6ff;
  animation: cg-toast-in 0.22s ease-out;
}
.cg-toast--leave {
  animation: cg-toast-out 0.2s ease-in forwards;
}
.cg-toast--error {
  border-color: rgba(248, 113, 113, 0.45);
}
.cg-toast--warning {
  border-color: rgba(251, 191, 36, 0.45);
}
.cg-toast--info {
  border-color: rgba(56, 189, 248, 0.35);
}
.cg-toast--success {
  border-color: rgba(74, 222, 128, 0.4);
}
.cg-toast__text {
  flex: 1;
  min-width: 0;
}
.cg-toast__close {
  flex-shrink: 0;
  border: none;
  background: transparent;
  color: #94a3b8;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 0.1rem;
}
.cg-toast__close:hover {
  color: #f1f5f9;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  button:hover,
  button:active {
    transform: none;
  }
}
@keyframes cg-toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes cg-toast-out {
  to {
    opacity: 0;
    transform: translateY(6px);
  }
}