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

:root {
  color-scheme: light;
  --bg: #f6f6f4;
  --panel: #ffffff;
  --border: #e4e2de;
  --text: #121212;
  --muted: #5f5f5f;
  --accent: #111111;
  --code-bg: #0e0e0e;
  --code-text: #f8f8f2;
  --code-key: #9cdcfe;
  --code-string: #ce9178;
  --code-punct: #d4d4d4;
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

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

body {
  font-family: 'Space Grotesk', 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  position: relative;
}

.stack {
  width: min(720px, 100%);
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: center;
}

.title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 600;
}

.subtitle {
  color: var(--muted);
  font-size: 1rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.code-block {
  background: var(--code-bg);
  color: var(--code-text);
  border-radius: 14px;
  padding: 18px 20px;
  text-align: left;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  overflow-x: auto;
}

.code-key {
  color: var(--code-key);
}

.code-string {
  color: var(--code-string);
}

.code-punct {
  color: var(--code-punct);
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.button {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
}

.corner-link {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 28px;
  height: 28px;
  color: var(--text);
  opacity: 0.7;
}

.corner-link:hover {
  opacity: 1;
}

.corner-link svg {
  width: 100%;
  height: 100%;
  display: block;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

input[type="text"] {
  width: min(520px, 100%);
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
  font-size: 1rem;
}

input[type="text"]:focus {
  outline: none;
  border-color: #9a9a9a;
}

.alert {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
  color: var(--text);
  background: #ffffff;
}

.muted {
  color: var(--muted);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.stat-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  text-align: center;
}

.stat-number {
  font-size: 1.6rem;
  font-weight: 600;
}

.stat-label {
  color: var(--muted);
  margin-top: 4px;
  font-size: 0.85rem;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

th, td {
  padding: 8px 6px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-weight: 500;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.token {
  display: block;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  background: #111111;
  color: #f8f8f2;
  padding: 12px 16px;
  border-radius: 12px;
  word-break: break-all;
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  .card {
    padding: 16px;
  }

  .row {
    flex-direction: column;
  }
}