:root {
  color-scheme: light dark;
  --bg: #0f172a;
  --surface: #1e293b;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --error: #f87171;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  justify-content: center;
  padding: 2.5rem 1rem;
}

.container {
  width: 100%;
  max-width: 1200px;
}

h1 {
  margin-bottom: 0.25rem;
}

.subtitle {
  color: var(--muted);
  margin-top: 0;
}

.ip-links {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.ip-links a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
}

.ip-links a:hover {
  text-decoration: underline;
}

form {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

label {
  font-size: 0.85rem;
  color: var(--muted);
}

.input-row {
  display: flex;
  gap: 0.5rem;
}

input[type="text"] {
  flex: 1;
  padding: 0.6rem 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
}

input[type="text"]:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

button {
  padding: 0.6rem 1.25rem;
  border-radius: 6px;
  border: none;
  background: var(--accent);
  color: #0f172a;
  font-weight: 600;
  cursor: pointer;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

button:hover:not(:disabled) {
  filter: brightness(1.1);
}

.status {
  min-height: 1.2rem;
  font-size: 0.9rem;
  color: var(--muted);
}

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

.destination {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  color: var(--text);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.9rem;
}

th, td {
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

th {
  color: var(--muted);
  font-weight: 600;
}

.hidden {
  display: none;
}