* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Yrsa", serif;
  line-height: 1.6;
  font-size: 18px;
}

* {
  box-sizing: border-box;
}

:root {
  --bad: #ff5555;
  --good: #50fa7b;
  --warn: #ffb86c;
  --blue: #8be9fd;
}

body {
  background: #1e1e2e;
  color: #f8f8f2;
  font-family: "Yrsa", serif;
  height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.demo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  width: 100%;
  padding: 2rem;
}
.demo__browser {
  width: 100%;
  max-width: 900px;
  background: #21222c;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}
.demo__browser-progress {
  height: 3px;
  width: 0%;
  background: var(--blue);
  box-shadow: 0 0 8px var(--blue);
  transition: width 0.2s linear, background 0.3s, box-shadow 0.3s;
}
.demo__browser-progress[data-state=blocked] {
  background: var(--bad);
  box-shadow: 0 0 8px var(--bad);
  animation: progress-pulse 0.7s ease-in-out infinite;
}
.demo__browser-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1.25rem;
}
.demo__browser-spinner {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(139, 233, 253, 0.15);
  border-top-color: var(--blue);
  flex-shrink: 0;
}
.demo__browser-url {
  font-size: 0.78rem;
  font-family: monospace;
  opacity: 0.4;
  flex: 1;
}
.demo__browser-fps {
  font-size: 0.85rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  min-width: 5.5ch;
  text-align: right;
  color: #44475a;
  transition: color 0.15s;
}
.demo__browser-fps[data-health=good] {
  color: var(--good);
}
.demo__browser-fps[data-health=warn] {
  color: var(--warn);
}
.demo__browser-fps[data-health=bad] {
  color: var(--bad);
}
.demo__panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  width: 100%;
  max-width: 900px;
}
.demo__panel {
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.demo__panel--bad {
  background: rgba(255, 85, 85, 0.07);
  border: 1px solid rgba(255, 85, 85, 0.22);
}
.demo__panel--good {
  background: rgba(80, 250, 123, 0.07);
  border: 1px solid rgba(80, 250, 123, 0.22);
}
.demo__panel-title {
  font-size: 1rem;
  font-weight: 700;
}
.demo__panel--bad .demo__panel-title {
  color: var(--bad);
}
.demo__panel--good .demo__panel-title {
  color: var(--good);
}
.demo__panel-desc {
  font-size: 0.8rem;
  line-height: 1.5;
  opacity: 0.5;
}
.demo__log {
  background: #13141f;
  border-radius: 6px;
  padding: 0.75rem 0.9rem;
  font-family: "Courier New", monospace;
  font-size: 0.73rem;
  line-height: 1.5;
  min-height: 150px;
  max-height: 190px;
  overflow-y: auto;
}
.demo__log-idle {
  color: #44475a;
  font-style: italic;
}
.demo__log-entry {
  display: flex;
  gap: 0.5rem;
}
.demo__log-icon {
  flex-shrink: 0;
  min-width: 1em;
  text-align: center;
  transition: color 0.3s;
}
.demo__log-label {
  transition: color 0.3s;
}
.demo__log-entry--pending .demo__log-icon, .demo__log-entry--pending .demo__log-label {
  color: #44475a;
}
.demo__log-entry--done .demo__log-icon {
  color: var(--good);
}
.demo__log-entry--done .demo__log-label {
  color: #f8f8f2;
}
.demo__log-entry--responded .demo__log-icon, .demo__log-entry--responded .demo__log-label {
  color: #f1fa8c;
  font-weight: 700;
}
.demo__log-entry--fail .demo__log-icon, .demo__log-entry--fail .demo__log-label {
  color: var(--bad);
  font-weight: 700;
}
.demo__log-entry--warn .demo__log-icon, .demo__log-entry--warn .demo__log-label {
  color: var(--warn);
  font-weight: 700;
}
.demo__btn {
  padding: 0.7rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-family: "Yrsa", serif;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: opacity 0.2s, transform 0.1s;
}
.demo__btn:hover:not(:disabled) {
  opacity: 0.88;
  transform: translateY(-1px);
}
.demo__btn:disabled {
  opacity: 0.3;
  cursor: default;
  transform: none;
}
.demo__btn--bad {
  background: var(--bad);
  color: #1e1e2e;
}
.demo__btn--good {
  background: var(--good);
  color: #1e1e2e;
}

@keyframes progress-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}