:root {
  --bg: #0b1120;
  --surface: rgba(255, 255, 255, 0.08);
  --text: #f7f8ff;
  --muted: #a1a9c0;
  --accent: #65d6ff;
  --accent-strong: #4dd9ff;
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(circle at top, #0f1b3e 0%, #05080f 50%, #030506 100%);
  color: var(--text);
}

.page-shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 24px 64px;
}

.hero {
  display: grid;
  gap: 32px;
  align-items: center;
  grid-template-columns: 1.5fr 1fr;
  margin-bottom: 40px;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.9rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(2.6rem, 4vw, 4.4rem);
  line-height: 1.02;
}

.hero p {
  max-width: 640px;
  line-height: 1.7;
  color: var(--muted);
}

.controls {
  display: grid;
  gap: 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius);
  padding: 24px;
}

.controls label {
  font-size: 0.95rem;
  color: var(--muted);
}

.controls input,
.controls select,
.controls button {
  width: 100%;
  border: none;
  border-radius: 16px;
  padding: 14px 16px;
  font-size: 1rem;
}

.controls input,
.controls select {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.controls button {
  background: linear-gradient(135deg, #55c8ff, #7b3fff);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.controls button:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(59, 97, 255, 0.18);
}

.results-list {
  display: grid;
  gap: 14px;
}

.result-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 18px;
  padding: 18px 22px;
  backdrop-filter: blur(18px);
}

.result-info {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.result-label {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.support-badge {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: none;
  color: #ffd58e;
  background: rgba(255, 197, 94, 0.14);
  border: 1px solid rgba(255, 197, 94, 0.28);
  border-radius: 999px;
}

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 32px 0;
}

.result-text {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.4;
  color: var(--text);
  overflow-wrap: anywhere;
}

.copy-btn {
  flex-shrink: 0;
  border: none;
  border-radius: 12px;
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #55c8ff, #7b3fff);
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.copy-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(59, 97, 255, 0.22);
}

.copy-btn.copied {
  background: linear-gradient(135deg, #48e5a0, #2bd6d6);
}

@media (max-width: 840px) {
  .hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .page-shell {
    padding: 28px 18px 40px;
  }

  .result-row {
    flex-direction: column;
    align-items: stretch;
  }

  .copy-btn {
    width: 100%;
  }
}