* { box-sizing: border-box; }

:root{
  --bg: #0b1020;
  --panel: #121a33;
  --muted: #93a4c7;
  --text: #e6edf7;
  --line: rgba(255,255,255,.10);
  --btn: #1f2a4a;
  --btn2: #2a3a66;
}

html, body{
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

.app{
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.top{
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 14px;
}

.brand .title{
  font-size: 22px;
  font-weight: 800;
  letter-spacing: .2px;
}

.brand .subtitle{
  margin-top: 4px;
  font-size: 13px;
  color: var(--muted);
}

.controls{
  display: flex;
  gap: 8px;
}

button{
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--btn);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  font-weight: 700;
}

button:hover{ background: var(--btn2); }
button:disabled{ opacity: .45; cursor: not-allowed; }

.panel{
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 14px;
  padding: 12px 14px;
}

.panel h2{
  margin: 0 0 10px 0;
  font-size: 15px;
  letter-spacing: .2px;
}

.grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(240px, 1fr));
  gap: 10px;
}

@media (max-width: 900px){
  .grid{ grid-template-columns: 1fr; }
}

.field{
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,255,255,.03);
}

.field.inline{
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.field span{
  font-size: 12px;
  color: var(--muted);
}

select, input[type="checkbox"]{
  font-size: 14px;
}

select{
  width: 100%;
  padding: 10px 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.20);
  color: var(--text);
}

.note{
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}

.status{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  font-size: 14px;
}

@media (max-width: 900px){
  .status{ grid-template-columns: 1fr; }
}

.foot{
  color: var(--muted);
  text-align: center;
  padding: 6px 0 2px 0;
}