:root {
  --bg: #f0fdfa;
  --card: #ffffff;
  --ink: #134e4a;
  --muted: #5f7470;
  --accent: #0d9488;
  --accent-2: #0f766e;
  --line: #ccfbf1;
  --danger: #b91c1c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: var(--card);
  border-bottom: 2px solid var(--line);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--accent-2);
}

.logo svg { width: 30px; height: 30px; }

.lang-wrap { display: flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--muted); }

select.lang {
  padding: 6px 8px;
  border-radius: 8px;
  border: 1.5px solid var(--line);
  background: #fff;
  font-size: .9rem;
}

.hero { text-align: center; padding: 34px 16px 20px; max-width: 760px; margin: 0 auto; }
.hero h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); margin: 0 0 10px; letter-spacing: -.02em; }
.hero p { color: var(--muted); margin: 0 auto; max-width: 640px; }

.layout {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(300px, .8fr);
  gap: 18px;
  max-width: 1060px;
  margin: 18px auto 40px;
  padding: 0 16px;
}

@media (max-width: 820px) { .layout { grid-template-columns: 1fr; } }

.card {
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 16px;
  padding: 20px;
}

.card h2 { margin: 0 0 14px; font-size: 1.05rem; color: var(--accent-2); }

label { display: block; margin-bottom: 12px; font-size: .88rem; color: var(--muted); }

label.grow { flex: 1; }

.row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }

input, textarea, select {
  width: 100%;
  margin-top: 5px;
  padding: 10px 11px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font: inherit;
  color: var(--ink);
  background: #fffdfb;
}

textarea { resize: vertical; min-height: 130px; font-family: ui-monospace, monospace; font-size: .92rem; }

input:focus, textarea:focus, select:focus {
  outline: 3px solid rgba(13, 148, 136, .25);
  border-color: var(--accent);
}

.hint { color: var(--muted); font-size: .8rem; margin: 6px 0 0; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 11px 18px;
  border-radius: 10px;
  border: 2px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: .95rem;
  cursor: pointer;
  transition: transform .06s ease, background .12s ease;
}

.btn:hover { background: var(--accent-2); }
.btn:active { transform: translateY(1px); }

.btn.ghost {
  background: transparent;
  color: var(--accent-2);
  border-color: var(--line);
}

.btn.ghost:hover { border-color: var(--accent); background: #f0fdfa; }

.save-indicator { color: var(--accent-2); font-weight: 700; font-size: .85rem; }

.result-box { text-align: left; }

.seed-line { font-size: .88rem; color: var(--muted); margin-bottom: 10px; }
.seed-line code { background: #f0fdfa; padding: 2px 8px; border-radius: 6px; color: var(--accent-2); font-weight: 700; }

.winners { list-style: none; padding: 0; margin: 0 0 12px; }

.winners li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 2px dashed var(--line);
  border-radius: 10px;
  margin-bottom: 8px;
  font-weight: 700;
  animation: pop .35s ease both;
}

.winners li:nth-child(odd) { animation-delay: .07s; }
.winners li::before { content: '🏆'; }

@keyframes pop { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: none; } }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; margin: 14px 0; font-size: .88rem; color: var(--muted); }
.stats b { display: block; color: var(--ink); font-size: 1.02rem; }

footer {
  text-align: center;
  color: var(--muted);
  font-size: .82rem;
  padding: 22px 16px 30px;
}

footer a { color: var(--accent-2); }