/* Base */
:root{
  --bg:#0b0b0c;
  --card:#141417;
  --text:#eaeaf0;
  --muted:#a6a6ad;
  --accent:#ffd400;
  --accent-2:#ffb800;
  --ring: rgba(255,212,0,.35);
}

*{ box-sizing: border-box; }

html, body{
  height:100%;
  background: radial-gradient(1000px 600px at -10% -10%, #1a1a1f 0%, transparent 60%),
              radial-gradient(800px 500px at 110% 10%, #1a1a1f 0%, transparent 60%),
              var(--bg);
  color: var(--text);
  font-family: 'Chakra Petch', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

.container{
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

header .brand{
  display:flex; gap:14px; align-items:center;
}
.logo{ width:48px; height:48px; }
.titling h1{ margin:0; font-size: clamp(24px, 3.5vw, 36px); letter-spacing:.5px; }
.titling .tag{ margin:4px 0 0; color: var(--muted); }

.grid{
  display:grid;
  grid-template-columns: repeat(auto-fit,minmax(320px,1fr));
  gap: 20px;
  align-items: start;
}

.card{
  background: linear-gradient(180deg, rgba(255,212,0,.05) 0%, rgba(255,212,0,0) 20%), var(--card);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
}

.card h2{ margin-top: 0; }

.form-row{ display:flex; flex-direction:column; gap:8px; margin-bottom:14px; }
.form-row input, .form-row select{
  background:#0e0e11; color:var(--text); border:1px solid transparent; border-radius: 12px;
  padding:12px 14px; outline:none; transition: .2s border, .2s box-shadow;
}
.form-row input:focus, .form-row select:focus{ border-color: var(--accent); box-shadow: 0 0 0 6px var(--ring); }

.form-actions{ display:flex; gap:10px; margin-top:10px; flex-wrap:wrap; }
.btn{
  background: #1f1f25; color: var(--text); border:1px solid rgba(255,255,255,.1);
  padding: 10px 16px; border-radius: 12px; cursor: pointer; transition: .2s transform, .2s background;
}
.btn:hover{ transform: translateY(-1px); }
.btn.primary{ background: linear-gradient(180deg, var(--accent), var(--accent-2)); color:#111; font-weight:700; border:none; }

.hint{ color:var(--muted); font-size: 14px; margin: 10px 0 0; }

.result .grid-2{
  display:grid; grid-template-columns: repeat(2,minmax(140px,1fr)); gap:10px; margin-top:10px;
}
.kv{
  display:flex; align-items:center; justify-content:space-between;
  background:#0e0e11; border:1px solid rgba(255,255,255,.06); border-radius:12px; padding:12px 14px;
}
.kv span{ color: var(--muted); }
.kv strong{ font-size: 18px; }

.result-actions{ display:flex; gap:10px; margin-top:16px; flex-wrap:wrap; }

.note{ margin-top: 10px; color: var(--muted); }
.note summary{ cursor:pointer; }

.footer{ text-align:center; color:var(--muted); }

/* Small screens */
@media (max-width: 380px){
  .result .grid-2{ grid-template-columns: 1fr; }
}