:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #1c2030;
  --muted: #6b7185;
  --border: #dfe2ec;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --error: #c2410c;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12141c;
    --card: #1b1e29;
    --text: #e8eaf2;
    --muted: #9298ad;
    --border: #2c3040;
    --accent: #818cf8;
    --accent-hover: #a5b4fc;
    --error: #fb923c;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

main { max-width: 720px; margin: 0 auto; padding: 48px 16px; }

h1 { margin: 0; font-size: 2.25rem; letter-spacing: -0.02em; }
h2 { font-size: 1.1rem; margin: 0 0 12px; }
.tagline { margin: 4px 0 32px; color: var(--muted); }

form { display: flex; flex-wrap: wrap; gap: 8px; }
input {
  flex: 1 1 220px;
  padding: 12px 14px;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
}
#url { flex-basis: 100%; }
button {
  padding: 12px 20px;
  font-size: 1rem;
  font-weight: 600;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}
button:hover { background: var(--accent-hover); }

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

.result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.result a { color: var(--accent); font-weight: 600; word-break: break-all; }

.recent { margin-top: 40px; }
table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 8px; overflow: hidden; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.95rem; }
th { color: var(--muted); font-weight: 500; }
td.dest { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
a { color: var(--accent); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); border: 0;
}