:root {
  --bg: #0b1021;
  --card: #121a33;
  --muted: #9fb1d4;
  --text: #e8eeff;
  --accent: #5fe3c0;
  --accent-strong: #3ccf9b;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background: radial-gradient(circle at 20% 20%, rgba(95, 227, 192, 0.08), transparent 25%),
    radial-gradient(circle at 80% 10%, rgba(120, 149, 255, 0.08), transparent 25%),
    var(--bg);
  color: var(--text);
}

.page {
  max-width: 1100px;
  padding: 40px 20px 60px;
  margin: 0 auto;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 30px;
}

.hero h1 {
  margin: 4px 0 8px;
  font-size: 32px;
}

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

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 13px;
  color: var(--accent);
  margin: 0;
}

.pill {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(95, 227, 192, 0.12);
  color: var(--accent);
  border: 1px solid rgba(95, 227, 192, 0.4);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

input {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 16px;
}

input:focus {
  outline: 2px solid rgba(95, 227, 192, 0.45);
  border-color: rgba(95, 227, 192, 0.6);
  box-shadow: 0 0 0 3px rgba(95, 227, 192, 0.15);
}

.input-prefix {
  display: flex;
  align-items: center;
  gap: 8px;
}

.input-prefix span {
  padding: 12px 10px 12px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.input-prefix input {
  flex: 1;
}

.two-up {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.primary {
  padding: 14px 16px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #022013;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 30px rgba(95, 227, 192, 0.25);
}

.primary:active {
  transform: translateY(0);
}

.status {
  min-height: 20px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.results h2 {
  margin-top: 0;
}

.result-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.result-line:last-child {
  border-bottom: none;
}

.result-line strong {
  font-size: 20px;
}

@media (max-width: 640px) {
  .hero {
    flex-direction: column;
    align-items: flex-start;
  }

  .page {
    padding: 24px 16px 40px;
  }
}