:root{
  --bg:#0b0d10;
  --panel:#12161b;
  --text:#e8eef6;
  --muted:#a8b3c2;
  --border:rgba(255,255,255,.12);
  --accent:#6aa9ff;
  --danger:#ff5c5c;
  --radius:14px;
}

*{ box-sizing:border-box }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,Segoe UI,Roboto;
}

.page{
  padding:20px;
  max-width:600px;
  margin:0 auto;
}

h1{
  font-size:22px;
  margin-bottom:14px;
}

.card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px;
}

.row{
  display:flex;
  gap:12px;
}

.input{
  flex:1;
  padding:14px;
  font-size:16px;
  border-radius:12px;
  border:1px solid var(--border);
  background:#0f1317;
  color:var(--text);
}

.btn{
  padding:14px 16px;
  font-size:15px;
  border-radius:12px;
  border:1px solid rgba(106,169,255,.4);
  background:rgba(106,169,255,.15);
  color:var(--text);
}

.list{
  margin-top:14px;
  display:flex;
  flex-direction:column;
  gap:10px;
}

.item{
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px;
  border-radius:12px;
  border:1px solid var(--border);
}

.item input{
  width:20px;
  height:20px;
}

.text{
  flex:1;
  font-size:15px;
}
.text.done{
  opacity:.6;
  text-decoration:line-through;
}

.btn-danger{
  padding:12px;
  border-radius:12px;
  border:1px solid rgba(255,92,92,.4);
  background:rgba(255,92,92,.15);
  color:var(--text);
}

/* ✅ SMALL SCREENS — MORE ROOM, NOT LESS */
@media (max-width: 400px){
  .page{
    padding:24px;        /* more breathing space */
  }

  .row{
    flex-direction:column;
  }

  .btn{
    width:100%;
    padding:16px;
  }

  .item{
    padding:16px;
  }

  .text{
    font-size:16px;      /* bigger text, not smaller */
    line-height:1.35;
  }
}