:root {
  --bg: #000;
  --fg: #e6e6e6;
  --divider: rgba(230, 230, 230, 0.13);
  --divider-strong: rgba(230, 230, 230, 0.2);
  --border: rgba(230, 230, 230, 0.33);
  --font: 'Helvetica Neue', Arial, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

.label {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.55;
}

.subtitle {
  opacity: 0.55;
}

.analyze-form {
  display: flex;
  gap: 8px;
}

.analyze-form input {
  flex: 1;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 12px 14px;
  font: inherit;
  font-size: 14px;
}

.analyze-form input::placeholder {
  color: var(--fg);
  opacity: 0.4;
}

.analyze-form button {
  background: var(--fg);
  color: var(--bg);
  border: 0;
  padding: 0 20px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--fg);
  color: var(--fg);
  padding: 11px 22px;
  font: inherit;
  font-size: 13px;
  letter-spacing: 1px;
  cursor: pointer;
}

.wf-loader {
  display: flex;
  gap: 5px;
  align-items: center;
  justify-content: center;
  height: 80px;
}

.wf-loader span {
  width: 3px;
  height: 70px;
  background: var(--fg);
  transform-origin: center;
  transform: scaleY(0.35);
  animation: wf-pulse 1.1s ease-in-out infinite;
}

.wf-loader span:nth-child(1) { animation-delay: 0s; }
.wf-loader span:nth-child(2) { animation-delay: 0.1s; }
.wf-loader span:nth-child(3) { animation-delay: 0.2s; }
.wf-loader span:nth-child(4) { animation-delay: 0.3s; }
.wf-loader span:nth-child(5) { animation-delay: 0.4s; }
.wf-loader span:nth-child(6) { animation-delay: 0.5s; }
.wf-loader span:nth-child(7) { animation-delay: 0.6s; }
.wf-loader span:nth-child(8) { animation-delay: 0.7s; }
.wf-loader span:nth-child(9) { animation-delay: 0.8s; }

@keyframes wf-pulse {
  0%, 100% { transform: scaleY(0.35); }
  50% { transform: scaleY(1); }
}