:root {
  color-scheme: light dark;
  --bg: #f5f4f2;
  --card-bg: #ffffff;
  --text: #1f2320;
  --text-muted: #6b7069;
  --accent: #c1440e;
  --accent-contrast: #ffffff;
  --border: #e5e3df;
  --shadow: 0 20px 40px -20px rgba(31, 35, 32, 0.25);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181a;
    --card-bg: #202325;
    --text: #f1efe9;
    --text-muted: #9a9d99;
    --accent: #e2683a;
    --accent-contrast: #16181a;
    --border: #33362f;
    --shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.6);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.card {
  width: 100%;
  max-width: 480px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.eyebrow {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px;
  gap: 4px;
}

.lang-btn {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  font-weight: 600;
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.lang-btn.active {
  background: var(--accent);
  color: var(--accent-contrast);
}

.fact-text {
  margin: 0;
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  line-height: 1.5;
}

.fact-text.error {
  color: var(--accent);
  font-size: 15px;
}

.btn-primary {
  border: none;
  background: var(--accent);
  color: var(--accent-contrast);
  font: inherit;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 28px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.1s ease, opacity 0.15s ease;
}

.btn-primary:hover {
  opacity: 0.92;
}

.btn-primary:active {
  transform: scale(0.97);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: default;
}

.link {
  color: var(--text-muted);
  font-size: 13px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}

.link:hover {
  border-color: var(--text-muted);
}

form.config-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-muted);
}

.field select,
.field textarea {
  width: 100%;
  font: inherit;
  font-size: 15px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  resize: vertical;
}

.field textarea {
  min-height: 90px;
}

.counts {
  display: flex;
  gap: 16px;
  justify-content: center;
  width: 100%;
}

.count-pill {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
}

.count-pill .n {
  display: block;
  font-size: 22px;
  font-weight: 700;
}

.count-pill .label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.status-message {
  min-height: 20px;
  font-size: 14px;
}

.status-message.success {
  color: #2f8b57;
}

.status-message.error {
  color: var(--accent);
}