:root {
  color-scheme: light;
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1d1f23;
  --muted: #6b7280;
  --accent: #1f6feb;
  --border: #e5e7eb;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

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

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 32px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 12px;
  font-size: 0.75rem;
}

h1 {
  margin: 0 0 12px;
  font-size: 2.5rem;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  max-width: 520px;
}

main {
  display: grid;
  gap: 24px;
}

.card {
  background: var(--card);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

label {
  font-weight: 600;
  display: block;
  margin-bottom: 12px;
}

.input-row {
  display: flex;
  gap: 12px;
}

input[type="text"] {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 1rem;
}

button {
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 12px 18px;
  font-size: 0.95rem;
  cursor: pointer;
  background: #fff;
  color: var(--text);
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
  transform: none;
  box-shadow: none;
}

button.primary {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
  font-weight: 600;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.12);
}

.hint {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.9rem;
}

.results-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.results-header h2 {
  margin: 0 0 4px;
}

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

.actions {
  display: flex;
  gap: 12px;
}

.status {
  margin-top: 16px;
  font-size: 0.95rem;
  color: var(--muted);
}

.results-list {
  margin: 20px 0 0;
  padding-left: 20px;
  max-height: 360px;
  overflow-y: auto;
  border-top: 1px solid var(--border);
}

.results-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-family: "JetBrains Mono", "SFMono-Regular", monospace;
  font-size: 0.9rem;
}

footer {
  text-align: center;
  margin-top: 48px;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }

  .input-row {
    flex-direction: column;
  }

  button,
  input[type="text"] {
    width: 100%;
  }
}