:root {
  --bg: #0f1115;
  --surface: #171a21;
  --border: #2a2e38;
  --text: #e6e8ec;
  --muted: #8b909c;
  --accent: #5b8cff;
}

* { box-sizing: border-box; }

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

header {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

header h1 { font-size: 1.25rem; margin: 0; }

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-right: 16px;
}

nav a:hover { color: var(--text); }

main {
  max-width: 720px;
  margin: 40px auto;
  padding: 0 24px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
}

label { font-size: 0.85rem; color: var(--muted); margin-top: 8px; }

input {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 1rem;
}

button {
  margin-top: 16px;
  background: var(--accent);
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
}

button:hover { opacity: 0.9; }

.delete-btn {
  margin-top: 0;
  background: #3a2020;
  color: #ff8080;
}

#result, .hidden { display: none; }
#result.visible { display: block; margin-top: 20px; }

.result-row { display: flex; gap: 8px; }
.result-row input { flex: 1; }

.error {
  color: #ff8080;
  margin-top: 12px;
}
.error.hidden { display: none; }

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

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

a { color: var(--accent); }

.truncate {
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}