:root {
  color-scheme: light dark;
  --bg: #0b1220;
  --card: #121a2b;
  --text: #e8eefc;
  --muted: #9aa8c7;
  --accent: #5b8cff;
  --accent-hover: #7aa2ff;
  --border: #243049;
  --error: #ff6b7a;
  --ok: #3dd68c;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(91, 140, 255, 0.18), transparent 35%),
    radial-gradient(circle at top right, rgba(61, 214, 140, 0.12), transparent 30%),
    var(--bg);
  color: var(--text);
}

.container {
  width: min(860px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 3rem 0 4rem;
}

.container.narrow {
  width: min(420px, calc(100% - 2rem));
  padding-top: 20vh;
}

header {
  margin-bottom: 1.5rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
}

h2 {
  margin: 0;
  font-size: 1.1rem;
}

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

.card {
  background: rgba(18, 26, 43, 0.9);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  margin-bottom: 1rem;
}

.center {
  text-align: center;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.row,
.result-row,
.section-head {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.section-head {
  justify-content: space-between;
  margin-bottom: 1rem;
}

input {
  flex: 1;
  min-width: 0;
  width: 100%;
  border: 1px solid var(--border);
  background: #0d1524;
  color: var(--text);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  font-size: 1rem;
  outline: none;
  margin-bottom: 0;
}

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.2);
}

button,
.button-link {
  border: none;
  border-radius: 12px;
  background: var(--accent);
  color: white;
  font-weight: 600;
  padding: 0.9rem 1.1rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

button:hover,
.button-link:hover {
  background: var(--accent-hover);
}

button.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.45rem 0.8rem;
}

button.ghost:hover {
  border-color: var(--accent);
  background: rgba(91, 140, 255, 0.1);
}

.error {
  color: var(--error);
  margin: 0.85rem 0 0;
}

.result {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.result p {
  margin: 0 0 0.6rem;
  color: var(--muted);
}

.result a {
  color: var(--ok);
  word-break: break-all;
  flex: 1;
}

.list {
  display: grid;
  gap: 0.75rem;
}

.item {
  display: grid;
  gap: 0.35rem;
  padding: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #0d1524;
}

.item a {
  color: var(--accent);
  text-decoration: none;
  word-break: break-all;
}

.item .meta {
  color: var(--muted);
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@media (max-width: 640px) {
  .row,
  .result-row {
    flex-direction: column;
    align-items: stretch;
  }
}